4927 lines
215 KiB
C++
4927 lines
215 KiB
C++
/*
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* Copyright (c) 2015 Andrew Kelley
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*
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* This file is part of zig, which is MIT licensed.
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* See http://opensource.org/licenses/MIT
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*/
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#include "all_types.hpp"
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#include "analyze.hpp"
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#include "c_tokenizer.hpp"
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#include "error.hpp"
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#include "ir.hpp"
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#include "os.hpp"
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#include "translate_c.hpp"
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#include "parser.hpp"
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#if __GNUC__ >= 8
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wclass-memaccess"
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#endif
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#include <clang/Frontend/ASTUnit.h>
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#include <clang/Frontend/CompilerInstance.h>
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#include <clang/AST/Expr.h>
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#if __GNUC__ >= 8
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#pragma GCC diagnostic pop
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#endif
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#include <string.h>
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using namespace clang;
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struct Alias {
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Buf *new_name;
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Buf *canon_name;
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};
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enum TransScopeId {
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TransScopeIdSwitch,
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TransScopeIdVar,
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TransScopeIdBlock,
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TransScopeIdRoot,
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TransScopeIdWhile,
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};
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struct TransScope {
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TransScopeId id;
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TransScope *parent;
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};
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struct TransScopeSwitch {
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TransScope base;
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AstNode *switch_node;
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uint32_t case_index;
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bool found_default;
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Buf *end_label_name;
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};
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struct TransScopeVar {
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TransScope base;
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Buf *c_name;
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Buf *zig_name;
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};
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struct TransScopeBlock {
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TransScope base;
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AstNode *node;
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};
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struct TransScopeRoot {
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TransScope base;
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};
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struct TransScopeWhile {
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TransScope base;
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AstNode *node;
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};
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struct Context {
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ImportTableEntry *import;
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ZigList<ErrorMsg *> *errors;
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VisibMod visib_mod;
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bool want_export;
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AstNode *root;
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HashMap<const void *, AstNode *, ptr_hash, ptr_eq> decl_table;
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HashMap<Buf *, AstNode *, buf_hash, buf_eql_buf> macro_table;
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HashMap<Buf *, AstNode *, buf_hash, buf_eql_buf> global_table;
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SourceManager *source_manager;
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ZigList<Alias> aliases;
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AstNode *source_node;
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bool warnings_on;
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CodeGen *codegen;
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ASTContext *ctx;
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TransScopeRoot *global_scope;
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HashMap<Buf *, bool, buf_hash, buf_eql_buf> ptr_params;
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};
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enum ResultUsed {
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ResultUsedNo,
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ResultUsedYes,
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};
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enum TransLRValue {
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TransLValue,
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TransRValue,
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};
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static TransScopeRoot *trans_scope_root_create(Context *c);
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static TransScopeWhile *trans_scope_while_create(Context *c, TransScope *parent_scope);
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static TransScopeBlock *trans_scope_block_create(Context *c, TransScope *parent_scope);
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static TransScopeVar *trans_scope_var_create(Context *c, TransScope *parent_scope, Buf *wanted_name);
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static TransScopeSwitch *trans_scope_switch_create(Context *c, TransScope *parent_scope);
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static TransScopeBlock *trans_scope_block_find(TransScope *scope);
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static AstNode *resolve_record_decl(Context *c, const RecordDecl *record_decl);
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static AstNode *resolve_enum_decl(Context *c, const EnumDecl *enum_decl);
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static AstNode *resolve_typedef_decl(Context *c, const TypedefNameDecl *typedef_decl);
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static int trans_stmt_extra(Context *c, TransScope *scope, const Stmt *stmt,
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ResultUsed result_used, TransLRValue lrval,
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AstNode **out_node, TransScope **out_child_scope,
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TransScope **out_node_scope);
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static TransScope *trans_stmt(Context *c, TransScope *scope, const Stmt *stmt, AstNode **out_node);
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static AstNode *trans_expr(Context *c, ResultUsed result_used, TransScope *scope, const Expr *expr, TransLRValue lrval);
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static AstNode *trans_qual_type(Context *c, QualType qt, const SourceLocation &source_loc);
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static AstNode *trans_bool_expr(Context *c, ResultUsed result_used, TransScope *scope, const Expr *expr, TransLRValue lrval);
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static AstNode *trans_ap_value(Context *c, APValue *ap_value, QualType qt, const SourceLocation &source_loc);
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ATTRIBUTE_PRINTF(3, 4)
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static void emit_warning(Context *c, const SourceLocation &sl, const char *format, ...) {
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if (!c->warnings_on) {
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return;
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}
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va_list ap;
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va_start(ap, format);
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Buf *msg = buf_vprintf(format, ap);
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va_end(ap);
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StringRef filename = c->source_manager->getFilename(c->source_manager->getSpellingLoc(sl));
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const char *filename_bytes = (const char *)filename.bytes_begin();
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Buf *path;
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if (filename_bytes) {
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path = buf_create_from_str(filename_bytes);
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} else {
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path = buf_sprintf("(no file)");
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}
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unsigned line = c->source_manager->getSpellingLineNumber(sl);
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unsigned column = c->source_manager->getSpellingColumnNumber(sl);
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fprintf(stderr, "%s:%u:%u: warning: %s\n", buf_ptr(path), line, column, buf_ptr(msg));
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}
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static void add_global_weak_alias(Context *c, Buf *new_name, Buf *canon_name) {
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Alias *alias = c->aliases.add_one();
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alias->new_name = new_name;
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alias->canon_name = canon_name;
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}
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static Buf *trans_lookup_zig_symbol(Context *c, TransScope *scope, Buf *c_symbol_name) {
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while (scope != nullptr) {
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if (scope->id == TransScopeIdVar) {
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TransScopeVar *var_scope = (TransScopeVar *)scope;
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if (buf_eql_buf(var_scope->c_name, c_symbol_name)) {
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return var_scope->zig_name;
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}
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}
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scope = scope->parent;
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}
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return c_symbol_name;
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}
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static AstNode * trans_create_node(Context *c, NodeType id) {
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AstNode *node = allocate<AstNode>(1);
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node->type = id;
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node->owner = c->import;
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// TODO line/column. mapping to C file??
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return node;
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}
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static AstNode *trans_create_node_break(Context *c, Buf *label_name, AstNode *value_node) {
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AstNode *node = trans_create_node(c, NodeTypeBreak);
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node->data.break_expr.name = label_name;
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node->data.break_expr.expr = value_node;
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return node;
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}
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static AstNode *trans_create_node_return(Context *c, AstNode *value_node) {
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AstNode *node = trans_create_node(c, NodeTypeReturnExpr);
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node->data.return_expr.kind = ReturnKindUnconditional;
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node->data.return_expr.expr = value_node;
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return node;
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}
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static AstNode *trans_create_node_if(Context *c, AstNode *cond_node, AstNode *then_node, AstNode *else_node) {
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AstNode *node = trans_create_node(c, NodeTypeIfBoolExpr);
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node->data.if_bool_expr.condition = cond_node;
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node->data.if_bool_expr.then_block = then_node;
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node->data.if_bool_expr.else_node = else_node;
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return node;
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}
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static AstNode *trans_create_node_float_lit(Context *c, double value) {
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AstNode *node = trans_create_node(c, NodeTypeFloatLiteral);
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node->data.float_literal.bigfloat = allocate<BigFloat>(1);
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bigfloat_init_64(node->data.float_literal.bigfloat, value);
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return node;
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}
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static AstNode *trans_create_node_symbol(Context *c, Buf *name) {
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AstNode *node = trans_create_node(c, NodeTypeSymbol);
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node->data.symbol_expr.symbol = name;
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return node;
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}
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static AstNode *trans_create_node_symbol_str(Context *c, const char *name) {
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return trans_create_node_symbol(c, buf_create_from_str(name));
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}
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static AstNode *trans_create_node_builtin_fn_call(Context *c, Buf *name) {
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AstNode *node = trans_create_node(c, NodeTypeFnCallExpr);
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node->data.fn_call_expr.fn_ref_expr = trans_create_node_symbol(c, name);
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node->data.fn_call_expr.is_builtin = true;
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return node;
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}
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static AstNode *trans_create_node_builtin_fn_call_str(Context *c, const char *name) {
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return trans_create_node_builtin_fn_call(c, buf_create_from_str(name));
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}
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static AstNode *trans_create_node_opaque(Context *c) {
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return trans_create_node_builtin_fn_call_str(c, "OpaqueType");
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}
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static AstNode *trans_create_node_fn_call_1(Context *c, AstNode *fn_ref_expr, AstNode *arg1) {
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AstNode *node = trans_create_node(c, NodeTypeFnCallExpr);
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node->data.fn_call_expr.fn_ref_expr = fn_ref_expr;
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node->data.fn_call_expr.params.append(arg1);
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return node;
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}
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static AstNode *trans_create_node_field_access(Context *c, AstNode *container, Buf *field_name) {
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AstNode *node = trans_create_node(c, NodeTypeFieldAccessExpr);
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if (container->type == NodeTypeSymbol) {
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assert(container->data.symbol_expr.symbol != nullptr);
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}
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node->data.field_access_expr.struct_expr = container;
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node->data.field_access_expr.field_name = field_name;
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return node;
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}
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static AstNode *trans_create_node_field_access_str(Context *c, AstNode *container, const char *field_name) {
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return trans_create_node_field_access(c, container, buf_create_from_str(field_name));
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}
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static AstNode *trans_create_node_ptr_deref(Context *c, AstNode *child_node) {
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AstNode *node = trans_create_node(c, NodeTypePtrDeref);
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node->data.ptr_deref_expr.target = child_node;
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return node;
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}
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static AstNode *trans_create_node_prefix_op(Context *c, PrefixOp op, AstNode *child_node) {
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AstNode *node = trans_create_node(c, NodeTypePrefixOpExpr);
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node->data.prefix_op_expr.prefix_op = op;
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node->data.prefix_op_expr.primary_expr = child_node;
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return node;
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}
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static AstNode *trans_create_node_unwrap_null(Context *c, AstNode *child_node) {
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AstNode *node = trans_create_node(c, NodeTypeUnwrapOptional);
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node->data.unwrap_optional.expr = child_node;
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return node;
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}
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static AstNode *trans_create_node_bin_op(Context *c, AstNode *lhs_node, BinOpType op, AstNode *rhs_node) {
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AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
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node->data.bin_op_expr.op1 = lhs_node;
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node->data.bin_op_expr.bin_op = op;
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node->data.bin_op_expr.op2 = rhs_node;
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return node;
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}
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static AstNode *maybe_suppress_result(Context *c, ResultUsed result_used, AstNode *node) {
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if (result_used == ResultUsedYes) return node;
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return trans_create_node_bin_op(c,
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trans_create_node_symbol_str(c, "_"),
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BinOpTypeAssign,
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node);
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}
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static AstNode *trans_create_node_ptr_type(Context *c, bool is_const, bool is_volatile, AstNode *child_node, PtrLen ptr_len) {
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AstNode *node = trans_create_node(c, NodeTypePointerType);
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node->data.pointer_type.star_token = allocate<ZigToken>(1);
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node->data.pointer_type.star_token->id = (ptr_len == PtrLenSingle) ? TokenIdStar: TokenIdBracketStarBracket;
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node->data.pointer_type.is_const = is_const;
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node->data.pointer_type.is_const = is_const;
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node->data.pointer_type.is_volatile = is_volatile;
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node->data.pointer_type.op_expr = child_node;
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return node;
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}
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static AstNode *trans_create_node_addr_of(Context *c, AstNode *child_node) {
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AstNode *node = trans_create_node(c, NodeTypePrefixOpExpr);
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node->data.prefix_op_expr.prefix_op = PrefixOpAddrOf;
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node->data.prefix_op_expr.primary_expr = child_node;
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return node;
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}
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static AstNode *trans_create_node_bool(Context *c, bool value) {
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AstNode *bool_node = trans_create_node(c, NodeTypeBoolLiteral);
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bool_node->data.bool_literal.value = value;
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return bool_node;
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}
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static AstNode *trans_create_node_str_lit_c(Context *c, Buf *buf) {
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AstNode *node = trans_create_node(c, NodeTypeStringLiteral);
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node->data.string_literal.buf = buf;
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node->data.string_literal.c = true;
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return node;
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}
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static AstNode *trans_create_node_str_lit_non_c(Context *c, Buf *buf) {
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AstNode *node = trans_create_node(c, NodeTypeStringLiteral);
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node->data.string_literal.buf = buf;
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node->data.string_literal.c = false;
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return node;
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}
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static AstNode *trans_create_node_unsigned_negative(Context *c, uint64_t x, bool is_negative) {
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AstNode *node = trans_create_node(c, NodeTypeIntLiteral);
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node->data.int_literal.bigint = allocate<BigInt>(1);
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bigint_init_data(node->data.int_literal.bigint, &x, 1, is_negative);
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return node;
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}
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static AstNode *trans_create_node_unsigned(Context *c, uint64_t x) {
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return trans_create_node_unsigned_negative(c, x, false);
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}
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static AstNode *trans_create_node_cast(Context *c, AstNode *dest, AstNode *src) {
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AstNode *node = trans_create_node(c, NodeTypeFnCallExpr);
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node->data.fn_call_expr.fn_ref_expr = dest;
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node->data.fn_call_expr.params.resize(1);
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node->data.fn_call_expr.params.items[0] = src;
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return node;
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}
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static AstNode *trans_create_node_unsigned_negative_type(Context *c, uint64_t x, bool is_negative,
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const char *type_name)
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{
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AstNode *lit_node = trans_create_node_unsigned_negative(c, x, is_negative);
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return trans_create_node_cast(c, trans_create_node_symbol_str(c, type_name), lit_node);
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}
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static AstNode *trans_create_node_array_type(Context *c, AstNode *size_node, AstNode *child_type_node) {
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AstNode *node = trans_create_node(c, NodeTypeArrayType);
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node->data.array_type.size = size_node;
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node->data.array_type.child_type = child_type_node;
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return node;
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}
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static AstNode *trans_create_node_var_decl(Context *c, VisibMod visib_mod, bool is_const, Buf *var_name,
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AstNode *type_node, AstNode *init_node)
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{
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AstNode *node = trans_create_node(c, NodeTypeVariableDeclaration);
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node->data.variable_declaration.visib_mod = visib_mod;
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node->data.variable_declaration.symbol = var_name;
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node->data.variable_declaration.is_const = is_const;
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node->data.variable_declaration.type = type_node;
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node->data.variable_declaration.expr = init_node;
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return node;
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}
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static AstNode *trans_create_node_var_decl_global(Context *c, bool is_const, Buf *var_name, AstNode *type_node,
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AstNode *init_node)
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{
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return trans_create_node_var_decl(c, c->visib_mod, is_const, var_name, type_node, init_node);
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}
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static AstNode *trans_create_node_var_decl_local(Context *c, bool is_const, Buf *var_name, AstNode *type_node,
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AstNode *init_node)
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{
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return trans_create_node_var_decl(c, VisibModPrivate, is_const, var_name, type_node, init_node);
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}
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static AstNode *trans_create_node_inline_fn(Context *c, Buf *fn_name, AstNode *ref_node, AstNode *src_proto_node) {
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AstNode *fn_def = trans_create_node(c, NodeTypeFnDef);
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AstNode *fn_proto = trans_create_node(c, NodeTypeFnProto);
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fn_proto->data.fn_proto.visib_mod = c->visib_mod;
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fn_proto->data.fn_proto.name = fn_name;
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fn_proto->data.fn_proto.is_inline = true;
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fn_proto->data.fn_proto.return_type = src_proto_node->data.fn_proto.return_type; // TODO ok for these to alias?
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fn_def->data.fn_def.fn_proto = fn_proto;
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fn_proto->data.fn_proto.fn_def_node = fn_def;
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AstNode *unwrap_node = trans_create_node_unwrap_null(c, ref_node);
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AstNode *fn_call_node = trans_create_node(c, NodeTypeFnCallExpr);
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fn_call_node->data.fn_call_expr.fn_ref_expr = unwrap_node;
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for (size_t i = 0; i < src_proto_node->data.fn_proto.params.length; i += 1) {
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AstNode *src_param_node = src_proto_node->data.fn_proto.params.at(i);
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Buf *param_name = src_param_node->data.param_decl.name;
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if (!param_name) param_name = buf_sprintf("arg%" ZIG_PRI_usize "", i);
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AstNode *dest_param_node = trans_create_node(c, NodeTypeParamDecl);
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dest_param_node->data.param_decl.name = param_name;
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dest_param_node->data.param_decl.type = src_param_node->data.param_decl.type;
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dest_param_node->data.param_decl.is_noalias = src_param_node->data.param_decl.is_noalias;
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fn_proto->data.fn_proto.params.append(dest_param_node);
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fn_call_node->data.fn_call_expr.params.append(trans_create_node_symbol(c, param_name));
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}
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AstNode *block = trans_create_node(c, NodeTypeBlock);
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block->data.block.statements.resize(1);
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block->data.block.statements.items[0] = trans_create_node_return(c, fn_call_node);
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fn_def->data.fn_def.body = block;
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return fn_def;
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}
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static AstNode *get_global(Context *c, Buf *name) {
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{
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auto entry = c->global_table.maybe_get(name);
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if (entry) {
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return entry->value;
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}
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}
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{
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auto entry = c->macro_table.maybe_get(name);
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if (entry)
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return entry->value;
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}
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ZigType *type;
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if (get_primitive_type(c->codegen, name, &type) != ErrorPrimitiveTypeNotFound) {
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return trans_create_node_symbol(c, name);
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}
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return nullptr;
|
|
}
|
|
|
|
static void add_top_level_decl(Context *c, Buf *name, AstNode *node) {
|
|
c->global_table.put(name, node);
|
|
c->root->data.container_decl.decls.append(node);
|
|
}
|
|
|
|
static AstNode *add_global_var(Context *c, Buf *var_name, AstNode *value_node) {
|
|
bool is_const = true;
|
|
AstNode *type_node = nullptr;
|
|
AstNode *node = trans_create_node_var_decl_global(c, is_const, var_name, type_node, value_node);
|
|
add_top_level_decl(c, var_name, node);
|
|
return node;
|
|
}
|
|
|
|
static Buf *string_ref_to_buf(StringRef string_ref) {
|
|
return buf_create_from_mem((const char *)string_ref.bytes_begin(), string_ref.size());
|
|
}
|
|
|
|
static const char *decl_name(const Decl *decl) {
|
|
const NamedDecl *named_decl = static_cast<const NamedDecl *>(decl);
|
|
return (const char *)named_decl->getName().bytes_begin();
|
|
}
|
|
|
|
static AstNode *trans_create_node_apint(Context *c, const llvm::APSInt &aps_int) {
|
|
AstNode *node = trans_create_node(c, NodeTypeIntLiteral);
|
|
node->data.int_literal.bigint = allocate<BigInt>(1);
|
|
bool is_negative = aps_int.isNegative();
|
|
if (!is_negative) {
|
|
bigint_init_data(node->data.int_literal.bigint, aps_int.getRawData(), aps_int.getNumWords(), false);
|
|
return node;
|
|
}
|
|
llvm::APSInt negated = -aps_int;
|
|
bigint_init_data(node->data.int_literal.bigint, negated.getRawData(), negated.getNumWords(), true);
|
|
return node;
|
|
|
|
}
|
|
|
|
static const Type *qual_type_canon(QualType qt) {
|
|
return qt.getCanonicalType().getTypePtr();
|
|
}
|
|
|
|
static QualType get_expr_qual_type(Context *c, const Expr *expr) {
|
|
// String literals in C are `char *` but they should really be `const char *`.
|
|
if (expr->getStmtClass() == Stmt::ImplicitCastExprClass) {
|
|
const ImplicitCastExpr *cast_expr = static_cast<const ImplicitCastExpr *>(expr);
|
|
if (cast_expr->getCastKind() == CK_ArrayToPointerDecay) {
|
|
const Expr *sub_expr = cast_expr->getSubExpr();
|
|
if (sub_expr->getStmtClass() == Stmt::StringLiteralClass) {
|
|
QualType array_qt = sub_expr->getType();
|
|
const ArrayType *array_type = static_cast<const ArrayType *>(array_qt.getTypePtr());
|
|
QualType pointee_qt = array_type->getElementType();
|
|
pointee_qt.addConst();
|
|
return c->ctx->getPointerType(pointee_qt);
|
|
}
|
|
}
|
|
}
|
|
return expr->getType();
|
|
}
|
|
|
|
static QualType get_expr_qual_type_before_implicit_cast(Context *c, const Expr *expr) {
|
|
if (expr->getStmtClass() == Stmt::ImplicitCastExprClass) {
|
|
const ImplicitCastExpr *cast_expr = static_cast<const ImplicitCastExpr *>(expr);
|
|
return get_expr_qual_type(c, cast_expr->getSubExpr());
|
|
}
|
|
return expr->getType();
|
|
}
|
|
|
|
static AstNode *get_expr_type(Context *c, const Expr *expr) {
|
|
return trans_qual_type(c, get_expr_qual_type(c, expr), expr->getBeginLoc());
|
|
}
|
|
|
|
static bool qual_types_equal(QualType t1, QualType t2) {
|
|
if (t1.isConstQualified() != t2.isConstQualified()) {
|
|
return false;
|
|
}
|
|
if (t1.isVolatileQualified() != t2.isVolatileQualified()) {
|
|
return false;
|
|
}
|
|
if (t1.isRestrictQualified() != t2.isRestrictQualified()) {
|
|
return false;
|
|
}
|
|
return t1.getTypePtr() == t2.getTypePtr();
|
|
}
|
|
|
|
static bool is_c_void_type(AstNode *node) {
|
|
return (node->type == NodeTypeSymbol && buf_eql_str(node->data.symbol_expr.symbol, "c_void"));
|
|
}
|
|
|
|
static bool expr_types_equal(Context *c, const Expr *expr1, const Expr *expr2) {
|
|
QualType t1 = get_expr_qual_type(c, expr1);
|
|
QualType t2 = get_expr_qual_type(c, expr2);
|
|
|
|
return qual_types_equal(t1, t2);
|
|
}
|
|
|
|
static bool qual_type_is_ptr(QualType qt) {
|
|
const Type *ty = qual_type_canon(qt);
|
|
return ty->getTypeClass() == Type::Pointer;
|
|
}
|
|
|
|
static const FunctionProtoType *qual_type_get_fn_proto(QualType qt, bool *is_ptr) {
|
|
const Type *ty = qual_type_canon(qt);
|
|
*is_ptr = false;
|
|
|
|
if (ty->getTypeClass() == Type::Pointer) {
|
|
*is_ptr = true;
|
|
const PointerType *pointer_ty = static_cast<const PointerType*>(ty);
|
|
QualType child_qt = pointer_ty->getPointeeType();
|
|
ty = child_qt.getTypePtr();
|
|
}
|
|
|
|
if (ty->getTypeClass() == Type::FunctionProto) {
|
|
return static_cast<const FunctionProtoType*>(ty);
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
static bool qual_type_is_fn_ptr(QualType qt) {
|
|
bool is_ptr;
|
|
if (qual_type_get_fn_proto(qt, &is_ptr)) {
|
|
return is_ptr;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static uint32_t qual_type_int_bit_width(Context *c, const QualType &qt, const SourceLocation &source_loc) {
|
|
const Type *ty = qt.getTypePtr();
|
|
switch (ty->getTypeClass()) {
|
|
case Type::Builtin:
|
|
{
|
|
const BuiltinType *builtin_ty = static_cast<const BuiltinType*>(ty);
|
|
switch (builtin_ty->getKind()) {
|
|
case BuiltinType::Char_U:
|
|
case BuiltinType::UChar:
|
|
case BuiltinType::Char_S:
|
|
case BuiltinType::SChar:
|
|
return 8;
|
|
case BuiltinType::UInt128:
|
|
case BuiltinType::Int128:
|
|
return 128;
|
|
default:
|
|
return 0;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
case Type::Typedef:
|
|
{
|
|
const TypedefType *typedef_ty = static_cast<const TypedefType*>(ty);
|
|
const TypedefNameDecl *typedef_decl = typedef_ty->getDecl();
|
|
const char *type_name = decl_name(typedef_decl);
|
|
if (strcmp(type_name, "uint8_t") == 0 || strcmp(type_name, "int8_t") == 0) {
|
|
return 8;
|
|
} else if (strcmp(type_name, "uint16_t") == 0 || strcmp(type_name, "int16_t") == 0) {
|
|
return 16;
|
|
} else if (strcmp(type_name, "uint32_t") == 0 || strcmp(type_name, "int32_t") == 0) {
|
|
return 32;
|
|
} else if (strcmp(type_name, "uint64_t") == 0 || strcmp(type_name, "int64_t") == 0) {
|
|
return 64;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
default:
|
|
return 0;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
|
|
static AstNode *qual_type_to_log2_int_ref(Context *c, const QualType &qt,
|
|
const SourceLocation &source_loc)
|
|
{
|
|
uint32_t int_bit_width = qual_type_int_bit_width(c, qt, source_loc);
|
|
if (int_bit_width != 0) {
|
|
// we can perform the log2 now.
|
|
uint64_t cast_bit_width = log2_u64(int_bit_width);
|
|
return trans_create_node_symbol(c, buf_sprintf("u%" ZIG_PRI_u64, cast_bit_width));
|
|
}
|
|
|
|
AstNode *zig_type_node = trans_qual_type(c, qt, source_loc);
|
|
|
|
// @import("std").math.Log2Int(c_long);
|
|
//
|
|
// FnCall
|
|
// FieldAccess
|
|
// FieldAccess
|
|
// FnCall (.builtin = true)
|
|
// Symbol "import"
|
|
// StringLiteral "std"
|
|
// Symbol "math"
|
|
// Symbol "Log2Int"
|
|
// zig_type_node
|
|
|
|
AstNode *import_fn_call = trans_create_node_builtin_fn_call_str(c, "import");
|
|
import_fn_call->data.fn_call_expr.params.append(trans_create_node_str_lit_non_c(c, buf_create_from_str("std")));
|
|
AstNode *inner_field_access = trans_create_node_field_access_str(c, import_fn_call, "math");
|
|
AstNode *outer_field_access = trans_create_node_field_access_str(c, inner_field_access, "Log2Int");
|
|
AstNode *log2int_fn_call = trans_create_node_fn_call_1(c, outer_field_access, zig_type_node);
|
|
|
|
return log2int_fn_call;
|
|
}
|
|
|
|
static bool qual_type_child_is_fn_proto(const QualType &qt) {
|
|
if (qt.getTypePtr()->getTypeClass() == Type::Paren) {
|
|
const ParenType *paren_type = static_cast<const ParenType *>(qt.getTypePtr());
|
|
if (paren_type->getInnerType()->getTypeClass() == Type::FunctionProto) {
|
|
return true;
|
|
}
|
|
} else if (qt.getTypePtr()->getTypeClass() == Type::Attributed) {
|
|
const AttributedType *attr_type = static_cast<const AttributedType *>(qt.getTypePtr());
|
|
return qual_type_child_is_fn_proto(attr_type->getEquivalentType());
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static AstNode* trans_c_cast(Context *c, const SourceLocation &source_location, QualType dest_type,
|
|
QualType src_type, AstNode *expr)
|
|
{
|
|
if (qual_types_equal(dest_type, src_type)) {
|
|
return expr;
|
|
}
|
|
if (qual_type_is_ptr(dest_type) && qual_type_is_ptr(src_type)) {
|
|
AstNode *ptr_cast_node = trans_create_node_builtin_fn_call_str(c, "ptrCast");
|
|
ptr_cast_node->data.fn_call_expr.params.append(trans_qual_type(c, dest_type, source_location));
|
|
ptr_cast_node->data.fn_call_expr.params.append(expr);
|
|
return ptr_cast_node;
|
|
}
|
|
// TODO: maybe widen to increase size
|
|
// TODO: maybe bitcast to change sign
|
|
// TODO: maybe truncate to reduce size
|
|
return trans_create_node_fn_call_1(c, trans_qual_type(c, dest_type, source_location), expr);
|
|
}
|
|
|
|
static bool c_is_signed_integer(Context *c, QualType qt) {
|
|
const Type *c_type = qual_type_canon(qt);
|
|
if (c_type->getTypeClass() != Type::Builtin)
|
|
return false;
|
|
const BuiltinType *builtin_ty = static_cast<const BuiltinType*>(c_type);
|
|
switch (builtin_ty->getKind()) {
|
|
case BuiltinType::SChar:
|
|
case BuiltinType::Short:
|
|
case BuiltinType::Int:
|
|
case BuiltinType::Long:
|
|
case BuiltinType::LongLong:
|
|
case BuiltinType::Int128:
|
|
case BuiltinType::WChar_S:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static bool c_is_unsigned_integer(Context *c, QualType qt) {
|
|
const Type *c_type = qual_type_canon(qt);
|
|
if (c_type->getTypeClass() != Type::Builtin)
|
|
return false;
|
|
const BuiltinType *builtin_ty = static_cast<const BuiltinType*>(c_type);
|
|
switch (builtin_ty->getKind()) {
|
|
case BuiltinType::Char_U:
|
|
case BuiltinType::UChar:
|
|
case BuiltinType::Char_S:
|
|
case BuiltinType::UShort:
|
|
case BuiltinType::UInt:
|
|
case BuiltinType::ULong:
|
|
case BuiltinType::ULongLong:
|
|
case BuiltinType::UInt128:
|
|
case BuiltinType::WChar_U:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static bool c_is_builtin_type(Context *c, QualType qt, BuiltinType::Kind kind) {
|
|
const Type *c_type = qual_type_canon(qt);
|
|
if (c_type->getTypeClass() != Type::Builtin)
|
|
return false;
|
|
const BuiltinType *builtin_ty = static_cast<const BuiltinType*>(c_type);
|
|
return builtin_ty->getKind() == kind;
|
|
}
|
|
|
|
static bool c_is_float(Context *c, QualType qt) {
|
|
const Type *c_type = qt.getTypePtr();
|
|
if (c_type->getTypeClass() != Type::Builtin)
|
|
return false;
|
|
const BuiltinType *builtin_ty = static_cast<const BuiltinType*>(c_type);
|
|
switch (builtin_ty->getKind()) {
|
|
case BuiltinType::Half:
|
|
case BuiltinType::Float:
|
|
case BuiltinType::Double:
|
|
case BuiltinType::Float128:
|
|
case BuiltinType::LongDouble:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static bool qual_type_has_wrapping_overflow(Context *c, QualType qt) {
|
|
if (c_is_signed_integer(c, qt) || c_is_float(c, qt)) {
|
|
// float and signed integer overflow is undefined behavior.
|
|
return false;
|
|
} else {
|
|
// unsigned integer overflow wraps around.
|
|
return true;
|
|
}
|
|
}
|
|
|
|
static bool type_is_opaque(Context *c, const Type *ty, const SourceLocation &source_loc) {
|
|
switch (ty->getTypeClass()) {
|
|
case Type::Builtin: {
|
|
const BuiltinType *builtin_ty = static_cast<const BuiltinType*>(ty);
|
|
return builtin_ty->getKind() == BuiltinType::Void;
|
|
}
|
|
case Type::Record: {
|
|
const RecordType *record_ty = static_cast<const RecordType*>(ty);
|
|
return record_ty->getDecl()->getDefinition() == nullptr;
|
|
}
|
|
case Type::Elaborated: {
|
|
const ElaboratedType *elaborated_ty = static_cast<const ElaboratedType*>(ty);
|
|
return type_is_opaque(c, elaborated_ty->getNamedType().getTypePtr(), source_loc);
|
|
}
|
|
case Type::Typedef: {
|
|
const TypedefType *typedef_ty = static_cast<const TypedefType*>(ty);
|
|
const TypedefNameDecl *typedef_decl = typedef_ty->getDecl();
|
|
return type_is_opaque(c, typedef_decl->getUnderlyingType().getTypePtr(), source_loc);
|
|
}
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static AstNode *trans_type(Context *c, const Type *ty, const SourceLocation &source_loc) {
|
|
switch (ty->getTypeClass()) {
|
|
case Type::Builtin:
|
|
{
|
|
const BuiltinType *builtin_ty = static_cast<const BuiltinType*>(ty);
|
|
switch (builtin_ty->getKind()) {
|
|
case BuiltinType::Void:
|
|
return trans_create_node_symbol_str(c, "c_void");
|
|
case BuiltinType::Bool:
|
|
return trans_create_node_symbol_str(c, "bool");
|
|
case BuiltinType::Char_U:
|
|
case BuiltinType::UChar:
|
|
case BuiltinType::Char_S:
|
|
case BuiltinType::Char8:
|
|
return trans_create_node_symbol_str(c, "u8");
|
|
case BuiltinType::SChar:
|
|
return trans_create_node_symbol_str(c, "i8");
|
|
case BuiltinType::UShort:
|
|
return trans_create_node_symbol_str(c, "c_ushort");
|
|
case BuiltinType::UInt:
|
|
return trans_create_node_symbol_str(c, "c_uint");
|
|
case BuiltinType::ULong:
|
|
return trans_create_node_symbol_str(c, "c_ulong");
|
|
case BuiltinType::ULongLong:
|
|
return trans_create_node_symbol_str(c, "c_ulonglong");
|
|
case BuiltinType::Short:
|
|
return trans_create_node_symbol_str(c, "c_short");
|
|
case BuiltinType::Int:
|
|
return trans_create_node_symbol_str(c, "c_int");
|
|
case BuiltinType::Long:
|
|
return trans_create_node_symbol_str(c, "c_long");
|
|
case BuiltinType::LongLong:
|
|
return trans_create_node_symbol_str(c, "c_longlong");
|
|
case BuiltinType::UInt128:
|
|
return trans_create_node_symbol_str(c, "u128");
|
|
case BuiltinType::Int128:
|
|
return trans_create_node_symbol_str(c, "i128");
|
|
case BuiltinType::Float:
|
|
return trans_create_node_symbol_str(c, "f32");
|
|
case BuiltinType::Double:
|
|
return trans_create_node_symbol_str(c, "f64");
|
|
case BuiltinType::Float128:
|
|
return trans_create_node_symbol_str(c, "f128");
|
|
case BuiltinType::Float16:
|
|
return trans_create_node_symbol_str(c, "f16");
|
|
case BuiltinType::LongDouble:
|
|
return trans_create_node_symbol_str(c, "c_longdouble");
|
|
case BuiltinType::WChar_U:
|
|
case BuiltinType::Char16:
|
|
case BuiltinType::Char32:
|
|
case BuiltinType::WChar_S:
|
|
case BuiltinType::Half:
|
|
case BuiltinType::NullPtr:
|
|
case BuiltinType::ObjCId:
|
|
case BuiltinType::ObjCClass:
|
|
case BuiltinType::ObjCSel:
|
|
case BuiltinType::OMPArraySection:
|
|
case BuiltinType::Dependent:
|
|
case BuiltinType::Overload:
|
|
case BuiltinType::BoundMember:
|
|
case BuiltinType::PseudoObject:
|
|
case BuiltinType::UnknownAny:
|
|
case BuiltinType::BuiltinFn:
|
|
case BuiltinType::ARCUnbridgedCast:
|
|
case BuiltinType::ShortAccum:
|
|
case BuiltinType::Accum:
|
|
case BuiltinType::LongAccum:
|
|
case BuiltinType::UShortAccum:
|
|
case BuiltinType::UAccum:
|
|
case BuiltinType::ULongAccum:
|
|
|
|
case BuiltinType::OCLImage1dRO:
|
|
case BuiltinType::OCLImage1dArrayRO:
|
|
case BuiltinType::OCLImage1dBufferRO:
|
|
case BuiltinType::OCLImage2dRO:
|
|
case BuiltinType::OCLImage2dArrayRO:
|
|
case BuiltinType::OCLImage2dDepthRO:
|
|
case BuiltinType::OCLImage2dArrayDepthRO:
|
|
case BuiltinType::OCLImage2dMSAARO:
|
|
case BuiltinType::OCLImage2dArrayMSAARO:
|
|
case BuiltinType::OCLImage2dMSAADepthRO:
|
|
case BuiltinType::OCLImage2dArrayMSAADepthRO:
|
|
case BuiltinType::OCLImage3dRO:
|
|
case BuiltinType::OCLImage1dWO:
|
|
case BuiltinType::OCLImage1dArrayWO:
|
|
case BuiltinType::OCLImage1dBufferWO:
|
|
case BuiltinType::OCLImage2dWO:
|
|
case BuiltinType::OCLImage2dArrayWO:
|
|
case BuiltinType::OCLImage2dDepthWO:
|
|
case BuiltinType::OCLImage2dArrayDepthWO:
|
|
case BuiltinType::OCLImage2dMSAAWO:
|
|
case BuiltinType::OCLImage2dArrayMSAAWO:
|
|
case BuiltinType::OCLImage2dMSAADepthWO:
|
|
case BuiltinType::OCLImage2dArrayMSAADepthWO:
|
|
case BuiltinType::OCLImage3dWO:
|
|
case BuiltinType::OCLImage1dRW:
|
|
case BuiltinType::OCLImage1dArrayRW:
|
|
case BuiltinType::OCLImage1dBufferRW:
|
|
case BuiltinType::OCLImage2dRW:
|
|
case BuiltinType::OCLImage2dArrayRW:
|
|
case BuiltinType::OCLImage2dDepthRW:
|
|
case BuiltinType::OCLImage2dArrayDepthRW:
|
|
case BuiltinType::OCLImage2dMSAARW:
|
|
case BuiltinType::OCLImage2dArrayMSAARW:
|
|
case BuiltinType::OCLImage2dMSAADepthRW:
|
|
case BuiltinType::OCLImage2dArrayMSAADepthRW:
|
|
case BuiltinType::OCLImage3dRW:
|
|
case BuiltinType::OCLSampler:
|
|
case BuiltinType::OCLEvent:
|
|
case BuiltinType::OCLClkEvent:
|
|
case BuiltinType::OCLQueue:
|
|
case BuiltinType::OCLReserveID:
|
|
case BuiltinType::ShortFract:
|
|
case BuiltinType::Fract:
|
|
case BuiltinType::LongFract:
|
|
case BuiltinType::UShortFract:
|
|
case BuiltinType::UFract:
|
|
case BuiltinType::ULongFract:
|
|
case BuiltinType::SatShortAccum:
|
|
case BuiltinType::SatAccum:
|
|
case BuiltinType::SatLongAccum:
|
|
case BuiltinType::SatUShortAccum:
|
|
case BuiltinType::SatUAccum:
|
|
case BuiltinType::SatULongAccum:
|
|
case BuiltinType::SatShortFract:
|
|
case BuiltinType::SatFract:
|
|
case BuiltinType::SatLongFract:
|
|
case BuiltinType::SatUShortFract:
|
|
case BuiltinType::SatUFract:
|
|
case BuiltinType::SatULongFract:
|
|
case BuiltinType::OCLIntelSubgroupAVCMcePayload:
|
|
case BuiltinType::OCLIntelSubgroupAVCImePayload:
|
|
case BuiltinType::OCLIntelSubgroupAVCRefPayload:
|
|
case BuiltinType::OCLIntelSubgroupAVCSicPayload:
|
|
case BuiltinType::OCLIntelSubgroupAVCMceResult:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeResult:
|
|
case BuiltinType::OCLIntelSubgroupAVCRefResult:
|
|
case BuiltinType::OCLIntelSubgroupAVCSicResult:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeResultSingleRefStreamout:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeResultDualRefStreamout:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeSingleRefStreamin:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeDualRefStreamin:
|
|
emit_warning(c, source_loc, "unsupported builtin type");
|
|
return nullptr;
|
|
}
|
|
break;
|
|
}
|
|
case Type::Pointer:
|
|
{
|
|
const PointerType *pointer_ty = static_cast<const PointerType*>(ty);
|
|
QualType child_qt = pointer_ty->getPointeeType();
|
|
AstNode *child_node = trans_qual_type(c, child_qt, source_loc);
|
|
if (child_node == nullptr) {
|
|
emit_warning(c, source_loc, "pointer to unsupported type");
|
|
return nullptr;
|
|
}
|
|
|
|
if (qual_type_child_is_fn_proto(child_qt)) {
|
|
return trans_create_node_prefix_op(c, PrefixOpOptional, child_node);
|
|
}
|
|
|
|
PtrLen ptr_len = type_is_opaque(c, child_qt.getTypePtr(), source_loc) ? PtrLenSingle : PtrLenUnknown;
|
|
|
|
AstNode *pointer_node = trans_create_node_ptr_type(c, child_qt.isConstQualified(),
|
|
child_qt.isVolatileQualified(), child_node, ptr_len);
|
|
return trans_create_node_prefix_op(c, PrefixOpOptional, pointer_node);
|
|
}
|
|
case Type::Typedef:
|
|
{
|
|
const TypedefType *typedef_ty = static_cast<const TypedefType*>(ty);
|
|
const TypedefNameDecl *typedef_decl = typedef_ty->getDecl();
|
|
return resolve_typedef_decl(c, typedef_decl);
|
|
}
|
|
case Type::Elaborated:
|
|
{
|
|
const ElaboratedType *elaborated_ty = static_cast<const ElaboratedType*>(ty);
|
|
switch (elaborated_ty->getKeyword()) {
|
|
case ETK_Struct:
|
|
case ETK_Enum:
|
|
case ETK_Union:
|
|
return trans_qual_type(c, elaborated_ty->getNamedType(), source_loc);
|
|
case ETK_Interface:
|
|
case ETK_Class:
|
|
case ETK_Typename:
|
|
case ETK_None:
|
|
emit_warning(c, source_loc, "unsupported elaborated type");
|
|
return nullptr;
|
|
}
|
|
}
|
|
case Type::FunctionProto:
|
|
{
|
|
const FunctionProtoType *fn_proto_ty = static_cast<const FunctionProtoType*>(ty);
|
|
|
|
AstNode *proto_node = trans_create_node(c, NodeTypeFnProto);
|
|
switch (fn_proto_ty->getCallConv()) {
|
|
case CC_C: // __attribute__((cdecl))
|
|
proto_node->data.fn_proto.cc = CallingConventionC;
|
|
proto_node->data.fn_proto.is_extern = true;
|
|
break;
|
|
case CC_X86StdCall: // __attribute__((stdcall))
|
|
proto_node->data.fn_proto.cc = CallingConventionStdcall;
|
|
break;
|
|
case CC_X86FastCall: // __attribute__((fastcall))
|
|
emit_warning(c, source_loc, "unsupported calling convention: x86 fastcall");
|
|
return nullptr;
|
|
case CC_X86ThisCall: // __attribute__((thiscall))
|
|
emit_warning(c, source_loc, "unsupported calling convention: x86 thiscall");
|
|
return nullptr;
|
|
case CC_X86VectorCall: // __attribute__((vectorcall))
|
|
emit_warning(c, source_loc, "unsupported calling convention: x86 vectorcall");
|
|
return nullptr;
|
|
case CC_X86Pascal: // __attribute__((pascal))
|
|
emit_warning(c, source_loc, "unsupported calling convention: x86 pascal");
|
|
return nullptr;
|
|
case CC_Win64: // __attribute__((ms_abi))
|
|
emit_warning(c, source_loc, "unsupported calling convention: win64");
|
|
return nullptr;
|
|
case CC_X86_64SysV: // __attribute__((sysv_abi))
|
|
emit_warning(c, source_loc, "unsupported calling convention: x86 64sysv");
|
|
return nullptr;
|
|
case CC_X86RegCall:
|
|
emit_warning(c, source_loc, "unsupported calling convention: x86 reg");
|
|
return nullptr;
|
|
case CC_AAPCS: // __attribute__((pcs("aapcs")))
|
|
emit_warning(c, source_loc, "unsupported calling convention: aapcs");
|
|
return nullptr;
|
|
case CC_AAPCS_VFP: // __attribute__((pcs("aapcs-vfp")))
|
|
emit_warning(c, source_loc, "unsupported calling convention: aapcs-vfp");
|
|
return nullptr;
|
|
case CC_IntelOclBicc: // __attribute__((intel_ocl_bicc))
|
|
emit_warning(c, source_loc, "unsupported calling convention: intel_ocl_bicc");
|
|
return nullptr;
|
|
case CC_SpirFunction: // default for OpenCL functions on SPIR target
|
|
emit_warning(c, source_loc, "unsupported calling convention: SPIR function");
|
|
return nullptr;
|
|
case CC_OpenCLKernel:
|
|
emit_warning(c, source_loc, "unsupported calling convention: OpenCLKernel");
|
|
return nullptr;
|
|
case CC_Swift:
|
|
emit_warning(c, source_loc, "unsupported calling convention: Swift");
|
|
return nullptr;
|
|
case CC_PreserveMost:
|
|
emit_warning(c, source_loc, "unsupported calling convention: PreserveMost");
|
|
return nullptr;
|
|
case CC_PreserveAll:
|
|
emit_warning(c, source_loc, "unsupported calling convention: PreserveAll");
|
|
return nullptr;
|
|
case CC_AArch64VectorCall:
|
|
emit_warning(c, source_loc, "unsupported calling convention: AArch64VectorCall");
|
|
return nullptr;
|
|
}
|
|
|
|
proto_node->data.fn_proto.is_var_args = fn_proto_ty->isVariadic();
|
|
size_t param_count = fn_proto_ty->getNumParams();
|
|
|
|
if (fn_proto_ty->getNoReturnAttr()) {
|
|
proto_node->data.fn_proto.return_type = trans_create_node_symbol_str(c, "noreturn");
|
|
} else {
|
|
proto_node->data.fn_proto.return_type = trans_qual_type(c, fn_proto_ty->getReturnType(),
|
|
source_loc);
|
|
if (proto_node->data.fn_proto.return_type == nullptr) {
|
|
emit_warning(c, source_loc, "unsupported function proto return type");
|
|
return nullptr;
|
|
}
|
|
// convert c_void to actual void (only for return type)
|
|
// we do want to look at the AstNode instead of QualType, because
|
|
// if they do something like:
|
|
// typedef Foo void;
|
|
// void foo(void) -> Foo;
|
|
// we want to keep the return type AST node.
|
|
if (is_c_void_type(proto_node->data.fn_proto.return_type)) {
|
|
proto_node->data.fn_proto.return_type = trans_create_node_symbol_str(c, "void");
|
|
}
|
|
}
|
|
|
|
//emit_warning(c, source_loc, "TODO figure out fn prototype fn name");
|
|
const char *fn_name = nullptr;
|
|
if (fn_name != nullptr) {
|
|
proto_node->data.fn_proto.name = buf_create_from_str(fn_name);
|
|
}
|
|
|
|
for (size_t i = 0; i < param_count; i += 1) {
|
|
QualType qt = fn_proto_ty->getParamType(i);
|
|
AstNode *param_type_node = trans_qual_type(c, qt, source_loc);
|
|
|
|
if (param_type_node == nullptr) {
|
|
emit_warning(c, source_loc, "unresolved function proto parameter type");
|
|
return nullptr;
|
|
}
|
|
|
|
AstNode *param_node = trans_create_node(c, NodeTypeParamDecl);
|
|
//emit_warning(c, source_loc, "TODO figure out fn prototype param name");
|
|
const char *param_name = nullptr;
|
|
if (param_name != nullptr) {
|
|
param_node->data.param_decl.name = buf_create_from_str(param_name);
|
|
}
|
|
param_node->data.param_decl.is_noalias = qt.isRestrictQualified();
|
|
param_node->data.param_decl.type = param_type_node;
|
|
proto_node->data.fn_proto.params.append(param_node);
|
|
}
|
|
// TODO check for always_inline attribute
|
|
// TODO check for align attribute
|
|
|
|
return proto_node;
|
|
}
|
|
case Type::Record:
|
|
{
|
|
const RecordType *record_ty = static_cast<const RecordType*>(ty);
|
|
return resolve_record_decl(c, record_ty->getDecl());
|
|
}
|
|
case Type::Enum:
|
|
{
|
|
const EnumType *enum_ty = static_cast<const EnumType*>(ty);
|
|
return resolve_enum_decl(c, enum_ty->getDecl());
|
|
}
|
|
case Type::ConstantArray:
|
|
{
|
|
const ConstantArrayType *const_arr_ty = static_cast<const ConstantArrayType *>(ty);
|
|
AstNode *child_type_node = trans_qual_type(c, const_arr_ty->getElementType(), source_loc);
|
|
if (child_type_node == nullptr) {
|
|
emit_warning(c, source_loc, "unresolved array element type");
|
|
return nullptr;
|
|
}
|
|
uint64_t size = const_arr_ty->getSize().getLimitedValue();
|
|
AstNode *size_node = trans_create_node_unsigned(c, size);
|
|
return trans_create_node_array_type(c, size_node, child_type_node);
|
|
}
|
|
case Type::Paren:
|
|
{
|
|
const ParenType *paren_ty = static_cast<const ParenType *>(ty);
|
|
return trans_qual_type(c, paren_ty->getInnerType(), source_loc);
|
|
}
|
|
case Type::Decayed:
|
|
{
|
|
const DecayedType *decayed_ty = static_cast<const DecayedType *>(ty);
|
|
return trans_qual_type(c, decayed_ty->getDecayedType(), source_loc);
|
|
}
|
|
case Type::Attributed:
|
|
{
|
|
const AttributedType *attributed_ty = static_cast<const AttributedType *>(ty);
|
|
return trans_qual_type(c, attributed_ty->getEquivalentType(), source_loc);
|
|
}
|
|
case Type::IncompleteArray:
|
|
{
|
|
const IncompleteArrayType *incomplete_array_ty = static_cast<const IncompleteArrayType *>(ty);
|
|
QualType child_qt = incomplete_array_ty->getElementType();
|
|
AstNode *child_type_node = trans_qual_type(c, child_qt, source_loc);
|
|
if (child_type_node == nullptr) {
|
|
emit_warning(c, source_loc, "unresolved array element type");
|
|
return nullptr;
|
|
}
|
|
AstNode *pointer_node = trans_create_node_ptr_type(c, child_qt.isConstQualified(),
|
|
child_qt.isVolatileQualified(), child_type_node, PtrLenUnknown);
|
|
return pointer_node;
|
|
}
|
|
case Type::BlockPointer:
|
|
case Type::LValueReference:
|
|
case Type::RValueReference:
|
|
case Type::MemberPointer:
|
|
case Type::VariableArray:
|
|
case Type::DependentSizedArray:
|
|
case Type::DependentSizedExtVector:
|
|
case Type::Vector:
|
|
case Type::ExtVector:
|
|
case Type::FunctionNoProto:
|
|
case Type::UnresolvedUsing:
|
|
case Type::Adjusted:
|
|
case Type::TypeOfExpr:
|
|
case Type::TypeOf:
|
|
case Type::Decltype:
|
|
case Type::UnaryTransform:
|
|
case Type::TemplateTypeParm:
|
|
case Type::SubstTemplateTypeParm:
|
|
case Type::SubstTemplateTypeParmPack:
|
|
case Type::TemplateSpecialization:
|
|
case Type::Auto:
|
|
case Type::InjectedClassName:
|
|
case Type::DependentName:
|
|
case Type::DependentTemplateSpecialization:
|
|
case Type::PackExpansion:
|
|
case Type::ObjCObject:
|
|
case Type::ObjCInterface:
|
|
case Type::Complex:
|
|
case Type::ObjCObjectPointer:
|
|
case Type::Atomic:
|
|
case Type::Pipe:
|
|
case Type::ObjCTypeParam:
|
|
case Type::DeducedTemplateSpecialization:
|
|
case Type::DependentAddressSpace:
|
|
case Type::DependentVector:
|
|
emit_warning(c, source_loc, "unsupported type: '%s'", ty->getTypeClassName());
|
|
return nullptr;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
static AstNode *trans_qual_type(Context *c, QualType qt, const SourceLocation &source_loc) {
|
|
return trans_type(c, qt.getTypePtr(), source_loc);
|
|
}
|
|
|
|
static int trans_compound_stmt_inline(Context *c, TransScope *scope, const CompoundStmt *stmt,
|
|
AstNode *block_node, TransScope **out_node_scope)
|
|
{
|
|
assert(block_node->type == NodeTypeBlock);
|
|
for (CompoundStmt::const_body_iterator it = stmt->body_begin(), end_it = stmt->body_end(); it != end_it; ++it) {
|
|
AstNode *child_node;
|
|
scope = trans_stmt(c, scope, *it, &child_node);
|
|
if (scope == nullptr)
|
|
return ErrorUnexpected;
|
|
if (child_node != nullptr)
|
|
block_node->data.block.statements.append(child_node);
|
|
}
|
|
if (out_node_scope != nullptr) {
|
|
*out_node_scope = scope;
|
|
}
|
|
return ErrorNone;
|
|
}
|
|
|
|
static AstNode *trans_compound_stmt(Context *c, TransScope *scope, const CompoundStmt *stmt,
|
|
TransScope **out_node_scope)
|
|
{
|
|
TransScopeBlock *child_scope_block = trans_scope_block_create(c, scope);
|
|
if (trans_compound_stmt_inline(c, &child_scope_block->base, stmt, child_scope_block->node, out_node_scope))
|
|
return nullptr;
|
|
return child_scope_block->node;
|
|
}
|
|
|
|
static AstNode *trans_return_stmt(Context *c, TransScope *scope, const ReturnStmt *stmt) {
|
|
const Expr *value_expr = stmt->getRetValue();
|
|
if (value_expr == nullptr) {
|
|
return trans_create_node(c, NodeTypeReturnExpr);
|
|
} else {
|
|
AstNode *return_node = trans_create_node(c, NodeTypeReturnExpr);
|
|
return_node->data.return_expr.expr = trans_expr(c, ResultUsedYes, scope, value_expr, TransRValue);
|
|
if (return_node->data.return_expr.expr == nullptr)
|
|
return nullptr;
|
|
return return_node;
|
|
}
|
|
}
|
|
|
|
static AstNode *trans_integer_literal(Context *c, const IntegerLiteral *stmt) {
|
|
Expr::EvalResult result;
|
|
if (!stmt->EvaluateAsInt(result, *c->ctx)) {
|
|
emit_warning(c, stmt->getBeginLoc(), "invalid integer literal");
|
|
return nullptr;
|
|
}
|
|
return trans_create_node_apint(c, result.Val.getInt());
|
|
}
|
|
|
|
static AstNode *trans_constant_expr(Context *c, const ConstantExpr *expr) {
|
|
Expr::EvalResult result;
|
|
if (!expr->EvaluateAsConstantExpr(result, Expr::EvaluateForCodeGen, *c->ctx)) {
|
|
emit_warning(c, expr->getBeginLoc(), "invalid constant expression");
|
|
return nullptr;
|
|
}
|
|
return trans_ap_value(c, &result.Val, expr->getType(), expr->getBeginLoc());
|
|
}
|
|
|
|
static AstNode *trans_conditional_operator(Context *c, ResultUsed result_used, TransScope *scope,
|
|
const ConditionalOperator *stmt)
|
|
{
|
|
AstNode *node = trans_create_node(c, NodeTypeIfBoolExpr);
|
|
|
|
Expr *cond_expr = stmt->getCond();
|
|
Expr *true_expr = stmt->getTrueExpr();
|
|
Expr *false_expr = stmt->getFalseExpr();
|
|
|
|
node->data.if_bool_expr.condition = trans_expr(c, ResultUsedYes, scope, cond_expr, TransRValue);
|
|
if (node->data.if_bool_expr.condition == nullptr)
|
|
return nullptr;
|
|
|
|
node->data.if_bool_expr.then_block = trans_expr(c, result_used, scope, true_expr, TransRValue);
|
|
if (node->data.if_bool_expr.then_block == nullptr)
|
|
return nullptr;
|
|
|
|
node->data.if_bool_expr.else_node = trans_expr(c, result_used, scope, false_expr, TransRValue);
|
|
if (node->data.if_bool_expr.else_node == nullptr)
|
|
return nullptr;
|
|
|
|
return maybe_suppress_result(c, result_used, node);
|
|
}
|
|
|
|
static AstNode *trans_create_bin_op(Context *c, TransScope *scope, Expr *lhs, BinOpType bin_op, Expr *rhs) {
|
|
AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
|
|
node->data.bin_op_expr.bin_op = bin_op;
|
|
|
|
node->data.bin_op_expr.op1 = trans_expr(c, ResultUsedYes, scope, lhs, TransRValue);
|
|
if (node->data.bin_op_expr.op1 == nullptr)
|
|
return nullptr;
|
|
|
|
node->data.bin_op_expr.op2 = trans_expr(c, ResultUsedYes, scope, rhs, TransRValue);
|
|
if (node->data.bin_op_expr.op2 == nullptr)
|
|
return nullptr;
|
|
|
|
return node;
|
|
}
|
|
|
|
static AstNode *trans_create_bool_bin_op(Context *c, TransScope *scope, Expr *lhs, BinOpType bin_op, Expr *rhs) {
|
|
assert(bin_op == BinOpTypeBoolAnd || bin_op == BinOpTypeBoolOr);
|
|
AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
|
|
node->data.bin_op_expr.bin_op = bin_op;
|
|
|
|
node->data.bin_op_expr.op1 = trans_bool_expr(c, ResultUsedYes, scope, lhs, TransRValue);
|
|
if (node->data.bin_op_expr.op1 == nullptr)
|
|
return nullptr;
|
|
|
|
node->data.bin_op_expr.op2 = trans_bool_expr(c, ResultUsedYes, scope, rhs, TransRValue);
|
|
if (node->data.bin_op_expr.op2 == nullptr)
|
|
return nullptr;
|
|
|
|
return node;
|
|
}
|
|
|
|
static AstNode *trans_create_assign(Context *c, ResultUsed result_used, TransScope *scope, Expr *lhs, Expr *rhs) {
|
|
if (result_used == ResultUsedNo) {
|
|
// common case
|
|
AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
|
|
node->data.bin_op_expr.bin_op = BinOpTypeAssign;
|
|
|
|
node->data.bin_op_expr.op1 = trans_expr(c, ResultUsedYes, scope, lhs, TransLValue);
|
|
if (node->data.bin_op_expr.op1 == nullptr)
|
|
return nullptr;
|
|
|
|
node->data.bin_op_expr.op2 = trans_expr(c, ResultUsedYes, scope, rhs, TransRValue);
|
|
if (node->data.bin_op_expr.op2 == nullptr)
|
|
return nullptr;
|
|
|
|
return node;
|
|
} else {
|
|
// worst case
|
|
// c: lhs = rhs
|
|
// zig: x: {
|
|
// zig: const _tmp = rhs;
|
|
// zig: lhs = _tmp;
|
|
// zig: break :x _tmp
|
|
// zig: }
|
|
|
|
TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
|
|
Buf *label_name = buf_create_from_str("x");
|
|
child_scope->node->data.block.name = label_name;
|
|
|
|
// const _tmp = rhs;
|
|
AstNode *rhs_node = trans_expr(c, ResultUsedYes, &child_scope->base, rhs, TransRValue);
|
|
if (rhs_node == nullptr) return nullptr;
|
|
// TODO: avoid name collisions with generated variable names
|
|
Buf* tmp_var_name = buf_create_from_str("_tmp");
|
|
AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, rhs_node);
|
|
child_scope->node->data.block.statements.append(tmp_var_decl);
|
|
|
|
// lhs = _tmp;
|
|
AstNode *lhs_node = trans_expr(c, ResultUsedYes, &child_scope->base, lhs, TransLValue);
|
|
if (lhs_node == nullptr) return nullptr;
|
|
child_scope->node->data.block.statements.append(
|
|
trans_create_node_bin_op(c, lhs_node, BinOpTypeAssign,
|
|
trans_create_node_symbol(c, tmp_var_name)));
|
|
|
|
// break :x _tmp
|
|
AstNode *tmp_symbol_node = trans_create_node_symbol(c, tmp_var_name);
|
|
child_scope->node->data.block.statements.append(trans_create_node_break(c, label_name, tmp_symbol_node));
|
|
|
|
return child_scope->node;
|
|
}
|
|
}
|
|
|
|
static AstNode *trans_create_shift_op(Context *c, TransScope *scope, QualType result_type,
|
|
Expr *lhs_expr, BinOpType bin_op, Expr *rhs_expr)
|
|
{
|
|
const SourceLocation &rhs_location = rhs_expr->getBeginLoc();
|
|
AstNode *rhs_type = qual_type_to_log2_int_ref(c, result_type, rhs_location);
|
|
// lhs >> u5(rh)
|
|
|
|
AstNode *lhs = trans_expr(c, ResultUsedYes, scope, lhs_expr, TransLValue);
|
|
if (lhs == nullptr) return nullptr;
|
|
|
|
AstNode *rhs = trans_expr(c, ResultUsedYes, scope, rhs_expr, TransRValue);
|
|
if (rhs == nullptr) return nullptr;
|
|
AstNode *coerced_rhs = trans_create_node_fn_call_1(c, rhs_type, rhs);
|
|
|
|
return trans_create_node_bin_op(c, lhs, bin_op, coerced_rhs);
|
|
}
|
|
|
|
static AstNode *trans_binary_operator(Context *c, ResultUsed result_used, TransScope *scope, const BinaryOperator *stmt) {
|
|
switch (stmt->getOpcode()) {
|
|
case BO_PtrMemD:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle more C binary operators: BO_PtrMemD");
|
|
return nullptr;
|
|
case BO_PtrMemI:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle more C binary operators: BO_PtrMemI");
|
|
return nullptr;
|
|
case BO_Cmp:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle more C binary operators: BO_Cmp");
|
|
return nullptr;
|
|
case BO_Mul:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(),
|
|
qual_type_has_wrapping_overflow(c, stmt->getType()) ? BinOpTypeMultWrap : BinOpTypeMult,
|
|
stmt->getRHS());
|
|
case BO_Div:
|
|
if (qual_type_has_wrapping_overflow(c, stmt->getType())) {
|
|
// unsigned/float division uses the operator
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeDiv, stmt->getRHS());
|
|
} else {
|
|
// signed integer division uses @divTrunc
|
|
AstNode *fn_call = trans_create_node_builtin_fn_call_str(c, "divTrunc");
|
|
AstNode *lhs = trans_expr(c, ResultUsedYes, scope, stmt->getLHS(), TransLValue);
|
|
if (lhs == nullptr) return nullptr;
|
|
fn_call->data.fn_call_expr.params.append(lhs);
|
|
AstNode *rhs = trans_expr(c, ResultUsedYes, scope, stmt->getRHS(), TransLValue);
|
|
if (rhs == nullptr) return nullptr;
|
|
fn_call->data.fn_call_expr.params.append(rhs);
|
|
return fn_call;
|
|
}
|
|
case BO_Rem:
|
|
if (qual_type_has_wrapping_overflow(c, stmt->getType())) {
|
|
// unsigned/float division uses the operator
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeMod, stmt->getRHS());
|
|
} else {
|
|
// signed integer division uses @rem
|
|
AstNode *fn_call = trans_create_node_builtin_fn_call_str(c, "rem");
|
|
AstNode *lhs = trans_expr(c, ResultUsedYes, scope, stmt->getLHS(), TransLValue);
|
|
if (lhs == nullptr) return nullptr;
|
|
fn_call->data.fn_call_expr.params.append(lhs);
|
|
AstNode *rhs = trans_expr(c, ResultUsedYes, scope, stmt->getRHS(), TransLValue);
|
|
if (rhs == nullptr) return nullptr;
|
|
fn_call->data.fn_call_expr.params.append(rhs);
|
|
return fn_call;
|
|
}
|
|
case BO_Add:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(),
|
|
qual_type_has_wrapping_overflow(c, stmt->getType()) ? BinOpTypeAddWrap : BinOpTypeAdd,
|
|
stmt->getRHS());
|
|
case BO_Sub:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(),
|
|
qual_type_has_wrapping_overflow(c, stmt->getType()) ? BinOpTypeSubWrap : BinOpTypeSub,
|
|
stmt->getRHS());
|
|
case BO_Shl:
|
|
return trans_create_shift_op(c, scope, stmt->getType(), stmt->getLHS(), BinOpTypeBitShiftLeft, stmt->getRHS());
|
|
case BO_Shr:
|
|
return trans_create_shift_op(c, scope, stmt->getType(), stmt->getLHS(), BinOpTypeBitShiftRight, stmt->getRHS());
|
|
case BO_LT:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeCmpLessThan, stmt->getRHS());
|
|
case BO_GT:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeCmpGreaterThan, stmt->getRHS());
|
|
case BO_LE:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeCmpLessOrEq, stmt->getRHS());
|
|
case BO_GE:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeCmpGreaterOrEq, stmt->getRHS());
|
|
case BO_EQ:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeCmpEq, stmt->getRHS());
|
|
case BO_NE:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeCmpNotEq, stmt->getRHS());
|
|
case BO_And:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeBinAnd, stmt->getRHS());
|
|
case BO_Xor:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeBinXor, stmt->getRHS());
|
|
case BO_Or:
|
|
return trans_create_bin_op(c, scope, stmt->getLHS(), BinOpTypeBinOr, stmt->getRHS());
|
|
case BO_LAnd:
|
|
return trans_create_bool_bin_op(c, scope, stmt->getLHS(), BinOpTypeBoolAnd, stmt->getRHS());
|
|
case BO_LOr:
|
|
return trans_create_bool_bin_op(c, scope, stmt->getLHS(), BinOpTypeBoolOr, stmt->getRHS());
|
|
case BO_Assign:
|
|
return trans_create_assign(c, result_used, scope, stmt->getLHS(), stmt->getRHS());
|
|
case BO_Comma:
|
|
{
|
|
TransScopeBlock *scope_block = trans_scope_block_create(c, scope);
|
|
Buf *label_name = buf_create_from_str("x");
|
|
scope_block->node->data.block.name = label_name;
|
|
|
|
AstNode *lhs = trans_expr(c, ResultUsedNo, &scope_block->base, stmt->getLHS(), TransRValue);
|
|
if (lhs == nullptr)
|
|
return nullptr;
|
|
scope_block->node->data.block.statements.append(maybe_suppress_result(c, ResultUsedNo, lhs));
|
|
|
|
AstNode *rhs = trans_expr(c, result_used, &scope_block->base, stmt->getRHS(), TransRValue);
|
|
if (rhs == nullptr)
|
|
return nullptr;
|
|
scope_block->node->data.block.statements.append(trans_create_node_break(c, label_name, maybe_suppress_result(c, result_used, rhs)));
|
|
return scope_block->node;
|
|
}
|
|
case BO_MulAssign:
|
|
case BO_DivAssign:
|
|
case BO_RemAssign:
|
|
case BO_AddAssign:
|
|
case BO_SubAssign:
|
|
case BO_ShlAssign:
|
|
case BO_ShrAssign:
|
|
case BO_AndAssign:
|
|
case BO_XorAssign:
|
|
case BO_OrAssign:
|
|
zig_unreachable();
|
|
}
|
|
|
|
zig_unreachable();
|
|
}
|
|
|
|
static AstNode *trans_create_compound_assign_shift(Context *c, ResultUsed result_used, TransScope *scope,
|
|
const CompoundAssignOperator *stmt, BinOpType assign_op, BinOpType bin_op)
|
|
{
|
|
const SourceLocation &rhs_location = stmt->getRHS()->getBeginLoc();
|
|
AstNode *rhs_type = qual_type_to_log2_int_ref(c, stmt->getComputationLHSType(), rhs_location);
|
|
|
|
bool use_intermediate_casts = stmt->getComputationLHSType().getTypePtr() != stmt->getComputationResultType().getTypePtr();
|
|
if (!use_intermediate_casts && result_used == ResultUsedNo) {
|
|
// simple common case, where the C and Zig are identical:
|
|
// lhs >>= rhs
|
|
AstNode *lhs = trans_expr(c, ResultUsedYes, scope, stmt->getLHS(), TransLValue);
|
|
if (lhs == nullptr) return nullptr;
|
|
|
|
AstNode *rhs = trans_expr(c, ResultUsedYes, scope, stmt->getRHS(), TransRValue);
|
|
if (rhs == nullptr) return nullptr;
|
|
AstNode *coerced_rhs = trans_create_node_fn_call_1(c, rhs_type, rhs);
|
|
|
|
return trans_create_node_bin_op(c, lhs, assign_op, coerced_rhs);
|
|
} else {
|
|
// need more complexity. worst case, this looks like this:
|
|
// c: lhs >>= rhs
|
|
// zig: x: {
|
|
// zig: const _ref = &lhs;
|
|
// zig: *_ref = result_type(operation_type(*_ref) >> u5(rhs));
|
|
// zig: break :x *_ref
|
|
// zig: }
|
|
// where u5 is the appropriate type
|
|
|
|
TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
|
|
Buf *label_name = buf_create_from_str("x");
|
|
child_scope->node->data.block.name = label_name;
|
|
|
|
// const _ref = &lhs;
|
|
AstNode *lhs = trans_expr(c, ResultUsedYes, &child_scope->base, stmt->getLHS(), TransLValue);
|
|
if (lhs == nullptr) return nullptr;
|
|
AstNode *addr_of_lhs = trans_create_node_addr_of(c, lhs);
|
|
// TODO: avoid name collisions with generated variable names
|
|
Buf* tmp_var_name = buf_create_from_str("_ref");
|
|
AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, addr_of_lhs);
|
|
child_scope->node->data.block.statements.append(tmp_var_decl);
|
|
|
|
// *_ref = result_type(operation_type(*_ref) >> u5(rhs));
|
|
|
|
AstNode *rhs = trans_expr(c, ResultUsedYes, &child_scope->base, stmt->getRHS(), TransRValue);
|
|
if (rhs == nullptr) return nullptr;
|
|
AstNode *coerced_rhs = trans_create_node_fn_call_1(c, rhs_type, rhs);
|
|
|
|
// operation_type(*_ref)
|
|
AstNode *operation_type_cast = trans_c_cast(c, rhs_location,
|
|
stmt->getComputationLHSType(),
|
|
stmt->getLHS()->getType(),
|
|
trans_create_node_ptr_deref(c, trans_create_node_symbol(c, tmp_var_name)));
|
|
|
|
// result_type(... >> u5(rhs))
|
|
AstNode *result_type_cast = trans_c_cast(c, rhs_location,
|
|
stmt->getComputationResultType(),
|
|
stmt->getComputationLHSType(),
|
|
trans_create_node_bin_op(c,
|
|
operation_type_cast,
|
|
bin_op,
|
|
coerced_rhs));
|
|
|
|
// *_ref = ...
|
|
AstNode *assign_statement = trans_create_node_bin_op(c,
|
|
trans_create_node_ptr_deref(c,
|
|
trans_create_node_symbol(c, tmp_var_name)),
|
|
BinOpTypeAssign, result_type_cast);
|
|
|
|
child_scope->node->data.block.statements.append(assign_statement);
|
|
|
|
if (result_used == ResultUsedYes) {
|
|
// break :x *_ref
|
|
child_scope->node->data.block.statements.append(
|
|
trans_create_node_break(c, label_name,
|
|
trans_create_node_ptr_deref(c,
|
|
trans_create_node_symbol(c, tmp_var_name))));
|
|
}
|
|
|
|
return child_scope->node;
|
|
}
|
|
}
|
|
|
|
static AstNode *trans_create_compound_assign(Context *c, ResultUsed result_used, TransScope *scope,
|
|
const CompoundAssignOperator *stmt, BinOpType assign_op, BinOpType bin_op)
|
|
{
|
|
if (result_used == ResultUsedNo) {
|
|
// simple common case, where the C and Zig are identical:
|
|
// lhs += rhs
|
|
AstNode *lhs = trans_expr(c, ResultUsedYes, scope, stmt->getLHS(), TransLValue);
|
|
if (lhs == nullptr) return nullptr;
|
|
AstNode *rhs = trans_expr(c, ResultUsedYes, scope, stmt->getRHS(), TransRValue);
|
|
if (rhs == nullptr) return nullptr;
|
|
return trans_create_node_bin_op(c, lhs, assign_op, rhs);
|
|
} else {
|
|
// need more complexity. worst case, this looks like this:
|
|
// c: lhs += rhs
|
|
// zig: x: {
|
|
// zig: const _ref = &lhs;
|
|
// zig: *_ref = *_ref + rhs;
|
|
// zig: break :x *_ref
|
|
// zig: }
|
|
|
|
TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
|
|
Buf *label_name = buf_create_from_str("x");
|
|
child_scope->node->data.block.name = label_name;
|
|
|
|
// const _ref = &lhs;
|
|
AstNode *lhs = trans_expr(c, ResultUsedYes, &child_scope->base, stmt->getLHS(), TransLValue);
|
|
if (lhs == nullptr) return nullptr;
|
|
AstNode *addr_of_lhs = trans_create_node_addr_of(c, lhs);
|
|
// TODO: avoid name collisions with generated variable names
|
|
Buf* tmp_var_name = buf_create_from_str("_ref");
|
|
AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr, addr_of_lhs);
|
|
child_scope->node->data.block.statements.append(tmp_var_decl);
|
|
|
|
// *_ref = *_ref + rhs;
|
|
|
|
AstNode *rhs = trans_expr(c, ResultUsedYes, &child_scope->base, stmt->getRHS(), TransRValue);
|
|
if (rhs == nullptr) return nullptr;
|
|
|
|
AstNode *assign_statement = trans_create_node_bin_op(c,
|
|
trans_create_node_ptr_deref(c,
|
|
trans_create_node_symbol(c, tmp_var_name)),
|
|
BinOpTypeAssign,
|
|
trans_create_node_bin_op(c,
|
|
trans_create_node_ptr_deref(c,
|
|
trans_create_node_symbol(c, tmp_var_name)),
|
|
bin_op,
|
|
rhs));
|
|
child_scope->node->data.block.statements.append(assign_statement);
|
|
|
|
// break :x *_ref
|
|
child_scope->node->data.block.statements.append(
|
|
trans_create_node_break(c, label_name,
|
|
trans_create_node_ptr_deref(c,
|
|
trans_create_node_symbol(c, tmp_var_name))));
|
|
|
|
return child_scope->node;
|
|
}
|
|
}
|
|
|
|
|
|
static AstNode *trans_compound_assign_operator(Context *c, ResultUsed result_used, TransScope *scope,
|
|
const CompoundAssignOperator *stmt)
|
|
{
|
|
switch (stmt->getOpcode()) {
|
|
case BO_MulAssign:
|
|
if (qual_type_has_wrapping_overflow(c, stmt->getType()))
|
|
return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignTimesWrap, BinOpTypeMultWrap);
|
|
else
|
|
return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignTimes, BinOpTypeMult);
|
|
case BO_DivAssign:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle more C compound assign operators: BO_DivAssign");
|
|
return nullptr;
|
|
case BO_RemAssign:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle more C compound assign operators: BO_RemAssign");
|
|
return nullptr;
|
|
case BO_Cmp:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle more C compound assign operators: BO_Cmp");
|
|
return nullptr;
|
|
case BO_AddAssign:
|
|
if (qual_type_has_wrapping_overflow(c, stmt->getType()))
|
|
return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignPlusWrap, BinOpTypeAddWrap);
|
|
else
|
|
return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignPlus, BinOpTypeAdd);
|
|
case BO_SubAssign:
|
|
if (qual_type_has_wrapping_overflow(c, stmt->getType()))
|
|
return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignMinusWrap, BinOpTypeSubWrap);
|
|
else
|
|
return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignMinus, BinOpTypeSub);
|
|
case BO_ShlAssign:
|
|
return trans_create_compound_assign_shift(c, result_used, scope, stmt, BinOpTypeAssignBitShiftLeft, BinOpTypeBitShiftLeft);
|
|
case BO_ShrAssign:
|
|
return trans_create_compound_assign_shift(c, result_used, scope, stmt, BinOpTypeAssignBitShiftRight, BinOpTypeBitShiftRight);
|
|
case BO_AndAssign:
|
|
return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignBitAnd, BinOpTypeBinAnd);
|
|
case BO_XorAssign:
|
|
return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignBitXor, BinOpTypeBinXor);
|
|
case BO_OrAssign:
|
|
return trans_create_compound_assign(c, result_used, scope, stmt, BinOpTypeAssignBitOr, BinOpTypeBinOr);
|
|
case BO_PtrMemD:
|
|
case BO_PtrMemI:
|
|
case BO_Assign:
|
|
case BO_Mul:
|
|
case BO_Div:
|
|
case BO_Rem:
|
|
case BO_Add:
|
|
case BO_Sub:
|
|
case BO_Shl:
|
|
case BO_Shr:
|
|
case BO_LT:
|
|
case BO_GT:
|
|
case BO_LE:
|
|
case BO_GE:
|
|
case BO_EQ:
|
|
case BO_NE:
|
|
case BO_And:
|
|
case BO_Xor:
|
|
case BO_Or:
|
|
case BO_LAnd:
|
|
case BO_LOr:
|
|
case BO_Comma:
|
|
zig_unreachable();
|
|
}
|
|
|
|
zig_unreachable();
|
|
}
|
|
|
|
static AstNode *trans_implicit_cast_expr(Context *c, TransScope *scope, const ImplicitCastExpr *stmt) {
|
|
switch (stmt->getCastKind()) {
|
|
case CK_LValueToRValue:
|
|
return trans_expr(c, ResultUsedYes, scope, stmt->getSubExpr(), TransRValue);
|
|
case CK_IntegralCast:
|
|
{
|
|
AstNode *target_node = trans_expr(c, ResultUsedYes, scope, stmt->getSubExpr(), TransRValue);
|
|
if (target_node == nullptr)
|
|
return nullptr;
|
|
return trans_c_cast(c, stmt->getExprLoc(), stmt->getType(),
|
|
stmt->getSubExpr()->getType(), target_node);
|
|
}
|
|
case CK_FunctionToPointerDecay:
|
|
case CK_ArrayToPointerDecay:
|
|
{
|
|
AstNode *target_node = trans_expr(c, ResultUsedYes, scope, stmt->getSubExpr(), TransRValue);
|
|
if (target_node == nullptr)
|
|
return nullptr;
|
|
return target_node;
|
|
}
|
|
case CK_BitCast:
|
|
{
|
|
AstNode *target_node = trans_expr(c, ResultUsedYes, scope, stmt->getSubExpr(), TransRValue);
|
|
if (target_node == nullptr)
|
|
return nullptr;
|
|
|
|
if (expr_types_equal(c, stmt, stmt->getSubExpr())) {
|
|
return target_node;
|
|
}
|
|
|
|
AstNode *dest_type_node = get_expr_type(c, stmt);
|
|
|
|
AstNode *node = trans_create_node_builtin_fn_call_str(c, "ptrCast");
|
|
node->data.fn_call_expr.params.append(dest_type_node);
|
|
node->data.fn_call_expr.params.append(target_node);
|
|
return node;
|
|
}
|
|
case CK_NullToPointer:
|
|
return trans_create_node(c, NodeTypeNullLiteral);
|
|
case CK_Dependent:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_Dependent");
|
|
return nullptr;
|
|
case CK_LValueBitCast:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_LValueBitCast");
|
|
return nullptr;
|
|
case CK_NoOp:
|
|
return trans_expr(c, ResultUsedYes, scope, stmt->getSubExpr(), TransRValue);
|
|
case CK_BaseToDerived:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_BaseToDerived");
|
|
return nullptr;
|
|
case CK_DerivedToBase:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_DerivedToBase");
|
|
return nullptr;
|
|
case CK_UncheckedDerivedToBase:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_UncheckedDerivedToBase");
|
|
return nullptr;
|
|
case CK_Dynamic:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_Dynamic");
|
|
return nullptr;
|
|
case CK_ToUnion:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ToUnion");
|
|
return nullptr;
|
|
case CK_NullToMemberPointer:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_NullToMemberPointer");
|
|
return nullptr;
|
|
case CK_BaseToDerivedMemberPointer:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_BaseToDerivedMemberPointer");
|
|
return nullptr;
|
|
case CK_DerivedToBaseMemberPointer:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_DerivedToBaseMemberPointer");
|
|
return nullptr;
|
|
case CK_MemberPointerToBoolean:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_MemberPointerToBoolean");
|
|
return nullptr;
|
|
case CK_ReinterpretMemberPointer:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ReinterpretMemberPointer");
|
|
return nullptr;
|
|
case CK_UserDefinedConversion:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_UserDefinedConversion");
|
|
return nullptr;
|
|
case CK_ConstructorConversion:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ConstructorConversion");
|
|
return nullptr;
|
|
case CK_IntegralToPointer:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_IntegralToPointer");
|
|
return nullptr;
|
|
case CK_PointerToIntegral:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_PointerToIntegral");
|
|
return nullptr;
|
|
case CK_PointerToBoolean:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_PointerToBoolean");
|
|
return nullptr;
|
|
case CK_ToVoid:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ToVoid");
|
|
return nullptr;
|
|
case CK_VectorSplat:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_VectorSplat");
|
|
return nullptr;
|
|
case CK_IntegralToBoolean:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_IntegralToBoolean");
|
|
return nullptr;
|
|
case CK_IntegralToFloating:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_IntegralToFloating");
|
|
return nullptr;
|
|
case CK_FloatingToIntegral:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FloatingToIntegral");
|
|
return nullptr;
|
|
case CK_FloatingToBoolean:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FloatingToBoolean");
|
|
return nullptr;
|
|
case CK_BooleanToSignedIntegral:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_BooleanToSignedIntegral");
|
|
return nullptr;
|
|
case CK_FloatingCast:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FloatingCast");
|
|
return nullptr;
|
|
case CK_CPointerToObjCPointerCast:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_CPointerToObjCPointerCast");
|
|
return nullptr;
|
|
case CK_BlockPointerToObjCPointerCast:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_BlockPointerToObjCPointerCast");
|
|
return nullptr;
|
|
case CK_AnyPointerToBlockPointerCast:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_AnyPointerToBlockPointerCast");
|
|
return nullptr;
|
|
case CK_ObjCObjectLValueCast:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ObjCObjectLValueCast");
|
|
return nullptr;
|
|
case CK_FloatingRealToComplex:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FloatingRealToComplex");
|
|
return nullptr;
|
|
case CK_FloatingComplexToReal:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FloatingComplexToReal");
|
|
return nullptr;
|
|
case CK_FloatingComplexToBoolean:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FloatingComplexToBoolean");
|
|
return nullptr;
|
|
case CK_FloatingComplexCast:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FloatingComplexCast");
|
|
return nullptr;
|
|
case CK_FloatingComplexToIntegralComplex:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FloatingComplexToIntegralComplex");
|
|
return nullptr;
|
|
case CK_IntegralRealToComplex:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_IntegralRealToComplex");
|
|
return nullptr;
|
|
case CK_IntegralComplexToReal:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_IntegralComplexToReal");
|
|
return nullptr;
|
|
case CK_IntegralComplexToBoolean:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_IntegralComplexToBoolean");
|
|
return nullptr;
|
|
case CK_IntegralComplexCast:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_IntegralComplexCast");
|
|
return nullptr;
|
|
case CK_IntegralComplexToFloatingComplex:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_IntegralComplexToFloatingComplex");
|
|
return nullptr;
|
|
case CK_ARCProduceObject:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ARCProduceObject");
|
|
return nullptr;
|
|
case CK_ARCConsumeObject:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ARCConsumeObject");
|
|
return nullptr;
|
|
case CK_ARCReclaimReturnedObject:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ARCReclaimReturnedObject");
|
|
return nullptr;
|
|
case CK_ARCExtendBlockObject:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ARCExtendBlockObject");
|
|
return nullptr;
|
|
case CK_AtomicToNonAtomic:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_AtomicToNonAtomic");
|
|
return nullptr;
|
|
case CK_NonAtomicToAtomic:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_NonAtomicToAtomic");
|
|
return nullptr;
|
|
case CK_CopyAndAutoreleaseBlockObject:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_CopyAndAutoreleaseBlockObject");
|
|
return nullptr;
|
|
case CK_BuiltinFnToFnPtr:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_BuiltinFnToFnPtr");
|
|
return nullptr;
|
|
case CK_AddressSpaceConversion:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_AddressSpaceConversion");
|
|
return nullptr;
|
|
case CK_IntToOCLSampler:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_IntToOCLSampler");
|
|
return nullptr;
|
|
case CK_FixedPointCast:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FixedPointCast");
|
|
return nullptr;
|
|
case CK_FixedPointToBoolean:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_FixedPointToBoolean");
|
|
return nullptr;
|
|
case CK_ZeroToOCLOpaqueType:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation cast CK_ZeroToOCLOpaqueType");
|
|
return nullptr;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
static AstNode *trans_decl_ref_expr(Context *c, TransScope *scope, const DeclRefExpr *stmt, TransLRValue lrval) {
|
|
const ValueDecl *value_decl = stmt->getDecl();
|
|
Buf *c_symbol_name = buf_create_from_str(decl_name(value_decl));
|
|
Buf *zig_symbol_name = trans_lookup_zig_symbol(c, scope, c_symbol_name);
|
|
if (lrval == TransLValue) {
|
|
c->ptr_params.put(zig_symbol_name, true);
|
|
}
|
|
return trans_create_node_symbol(c, zig_symbol_name);
|
|
}
|
|
|
|
static AstNode *trans_create_post_crement(Context *c, ResultUsed result_used, TransScope *scope,
|
|
const UnaryOperator *stmt, BinOpType assign_op)
|
|
{
|
|
Expr *op_expr = stmt->getSubExpr();
|
|
|
|
if (result_used == ResultUsedNo) {
|
|
// common case
|
|
// c: expr++
|
|
// zig: expr += 1
|
|
return trans_create_node_bin_op(c,
|
|
trans_expr(c, ResultUsedYes, scope, op_expr, TransLValue),
|
|
assign_op,
|
|
trans_create_node_unsigned(c, 1));
|
|
}
|
|
// worst case
|
|
// c: expr++
|
|
// zig: x: {
|
|
// zig: const _ref = &expr;
|
|
// zig: const _tmp = *_ref;
|
|
// zig: *_ref += 1;
|
|
// zig: break :x _tmp
|
|
// zig: }
|
|
TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
|
|
Buf *label_name = buf_create_from_str("x");
|
|
child_scope->node->data.block.name = label_name;
|
|
|
|
// const _ref = &expr;
|
|
AstNode *expr = trans_expr(c, ResultUsedYes, &child_scope->base, op_expr, TransLValue);
|
|
if (expr == nullptr) return nullptr;
|
|
AstNode *addr_of_expr = trans_create_node_addr_of(c, expr);
|
|
// TODO: avoid name collisions with generated variable names
|
|
Buf* ref_var_name = buf_create_from_str("_ref");
|
|
AstNode *ref_var_decl = trans_create_node_var_decl_local(c, true, ref_var_name, nullptr, addr_of_expr);
|
|
child_scope->node->data.block.statements.append(ref_var_decl);
|
|
|
|
// const _tmp = *_ref;
|
|
Buf* tmp_var_name = buf_create_from_str("_tmp");
|
|
AstNode *tmp_var_decl = trans_create_node_var_decl_local(c, true, tmp_var_name, nullptr,
|
|
trans_create_node_ptr_deref(c,
|
|
trans_create_node_symbol(c, ref_var_name)));
|
|
child_scope->node->data.block.statements.append(tmp_var_decl);
|
|
|
|
// *_ref += 1;
|
|
AstNode *assign_statement = trans_create_node_bin_op(c,
|
|
trans_create_node_ptr_deref(c,
|
|
trans_create_node_symbol(c, ref_var_name)),
|
|
assign_op,
|
|
trans_create_node_unsigned(c, 1));
|
|
child_scope->node->data.block.statements.append(assign_statement);
|
|
|
|
// break :x _tmp
|
|
child_scope->node->data.block.statements.append(trans_create_node_break(c, label_name, trans_create_node_symbol(c, tmp_var_name)));
|
|
|
|
return child_scope->node;
|
|
}
|
|
|
|
static AstNode *trans_create_pre_crement(Context *c, ResultUsed result_used, TransScope *scope,
|
|
const UnaryOperator *stmt, BinOpType assign_op)
|
|
{
|
|
Expr *op_expr = stmt->getSubExpr();
|
|
|
|
if (result_used == ResultUsedNo) {
|
|
// common case
|
|
// c: ++expr
|
|
// zig: expr += 1
|
|
return trans_create_node_bin_op(c,
|
|
trans_expr(c, ResultUsedYes, scope, op_expr, TransLValue),
|
|
assign_op,
|
|
trans_create_node_unsigned(c, 1));
|
|
}
|
|
// worst case
|
|
// c: ++expr
|
|
// zig: x: {
|
|
// zig: const _ref = &expr;
|
|
// zig: *_ref += 1;
|
|
// zig: break :x *_ref
|
|
// zig: }
|
|
TransScopeBlock *child_scope = trans_scope_block_create(c, scope);
|
|
Buf *label_name = buf_create_from_str("x");
|
|
child_scope->node->data.block.name = label_name;
|
|
|
|
// const _ref = &expr;
|
|
AstNode *expr = trans_expr(c, ResultUsedYes, &child_scope->base, op_expr, TransLValue);
|
|
if (expr == nullptr) return nullptr;
|
|
AstNode *addr_of_expr = trans_create_node_addr_of(c, expr);
|
|
// TODO: avoid name collisions with generated variable names
|
|
Buf* ref_var_name = buf_create_from_str("_ref");
|
|
AstNode *ref_var_decl = trans_create_node_var_decl_local(c, true, ref_var_name, nullptr, addr_of_expr);
|
|
child_scope->node->data.block.statements.append(ref_var_decl);
|
|
|
|
// *_ref += 1;
|
|
AstNode *assign_statement = trans_create_node_bin_op(c,
|
|
trans_create_node_ptr_deref(c,
|
|
trans_create_node_symbol(c, ref_var_name)),
|
|
assign_op,
|
|
trans_create_node_unsigned(c, 1));
|
|
child_scope->node->data.block.statements.append(assign_statement);
|
|
|
|
// break :x *_ref
|
|
AstNode *deref_expr = trans_create_node_ptr_deref(c,
|
|
trans_create_node_symbol(c, ref_var_name));
|
|
child_scope->node->data.block.statements.append(trans_create_node_break(c, label_name, deref_expr));
|
|
|
|
return child_scope->node;
|
|
}
|
|
|
|
static AstNode *trans_unary_operator(Context *c, ResultUsed result_used, TransScope *scope, const UnaryOperator *stmt) {
|
|
switch (stmt->getOpcode()) {
|
|
case UO_PostInc:
|
|
if (qual_type_has_wrapping_overflow(c, stmt->getType()))
|
|
return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignPlusWrap);
|
|
else
|
|
return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignPlus);
|
|
case UO_PostDec:
|
|
if (qual_type_has_wrapping_overflow(c, stmt->getType()))
|
|
return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignMinusWrap);
|
|
else
|
|
return trans_create_post_crement(c, result_used, scope, stmt, BinOpTypeAssignMinus);
|
|
case UO_PreInc:
|
|
if (qual_type_has_wrapping_overflow(c, stmt->getType()))
|
|
return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignPlusWrap);
|
|
else
|
|
return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignPlus);
|
|
case UO_PreDec:
|
|
if (qual_type_has_wrapping_overflow(c, stmt->getType()))
|
|
return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignMinusWrap);
|
|
else
|
|
return trans_create_pre_crement(c, result_used, scope, stmt, BinOpTypeAssignMinus);
|
|
case UO_AddrOf:
|
|
{
|
|
AstNode *value_node = trans_expr(c, result_used, scope, stmt->getSubExpr(), TransLValue);
|
|
if (value_node == nullptr)
|
|
return value_node;
|
|
return trans_create_node_addr_of(c, value_node);
|
|
}
|
|
case UO_Deref:
|
|
{
|
|
AstNode *value_node = trans_expr(c, result_used, scope, stmt->getSubExpr(), TransRValue);
|
|
if (value_node == nullptr)
|
|
return nullptr;
|
|
bool is_fn_ptr = qual_type_is_fn_ptr(stmt->getSubExpr()->getType());
|
|
if (is_fn_ptr)
|
|
return value_node;
|
|
AstNode *unwrapped = trans_create_node_unwrap_null(c, value_node);
|
|
return trans_create_node_ptr_deref(c, unwrapped);
|
|
}
|
|
case UO_Plus:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation UO_Plus");
|
|
return nullptr;
|
|
case UO_Minus:
|
|
{
|
|
Expr *op_expr = stmt->getSubExpr();
|
|
if (!qual_type_has_wrapping_overflow(c, op_expr->getType())) {
|
|
AstNode *node = trans_create_node(c, NodeTypePrefixOpExpr);
|
|
node->data.prefix_op_expr.prefix_op = PrefixOpNegation;
|
|
|
|
node->data.prefix_op_expr.primary_expr = trans_expr(c, ResultUsedYes, scope, op_expr, TransRValue);
|
|
if (node->data.prefix_op_expr.primary_expr == nullptr)
|
|
return nullptr;
|
|
|
|
return node;
|
|
} else if (c_is_unsigned_integer(c, op_expr->getType())) {
|
|
// we gotta emit 0 -% x
|
|
AstNode *node = trans_create_node(c, NodeTypeBinOpExpr);
|
|
node->data.bin_op_expr.op1 = trans_create_node_unsigned(c, 0);
|
|
|
|
node->data.bin_op_expr.op2 = trans_expr(c, ResultUsedYes, scope, op_expr, TransRValue);
|
|
if (node->data.bin_op_expr.op2 == nullptr)
|
|
return nullptr;
|
|
|
|
node->data.bin_op_expr.bin_op = BinOpTypeSubWrap;
|
|
return node;
|
|
} else {
|
|
emit_warning(c, stmt->getBeginLoc(), "C negation with non float non integer");
|
|
return nullptr;
|
|
}
|
|
}
|
|
case UO_Not:
|
|
{
|
|
Expr *op_expr = stmt->getSubExpr();
|
|
AstNode *sub_node = trans_expr(c, ResultUsedYes, scope, op_expr, TransRValue);
|
|
if (sub_node == nullptr)
|
|
return nullptr;
|
|
|
|
return trans_create_node_prefix_op(c, PrefixOpBinNot, sub_node);
|
|
}
|
|
case UO_LNot:
|
|
{
|
|
Expr *op_expr = stmt->getSubExpr();
|
|
AstNode *sub_node = trans_bool_expr(c, ResultUsedYes, scope, op_expr, TransRValue);
|
|
if (sub_node == nullptr)
|
|
return nullptr;
|
|
|
|
return trans_create_node_prefix_op(c, PrefixOpBoolNot, sub_node);
|
|
}
|
|
case UO_Real:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation UO_Real");
|
|
return nullptr;
|
|
case UO_Imag:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation UO_Imag");
|
|
return nullptr;
|
|
case UO_Extension:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation UO_Extension");
|
|
return nullptr;
|
|
case UO_Coawait:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C translation UO_Coawait");
|
|
return nullptr;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
static int trans_local_declaration(Context *c, TransScope *scope, const DeclStmt *stmt,
|
|
AstNode **out_node, TransScope **out_scope)
|
|
{
|
|
// declarations are added via the scope
|
|
*out_node = nullptr;
|
|
|
|
TransScopeBlock *scope_block = trans_scope_block_find(scope);
|
|
assert(scope_block != nullptr);
|
|
|
|
for (auto iter = stmt->decl_begin(); iter != stmt->decl_end(); iter++) {
|
|
Decl *decl = *iter;
|
|
switch (decl->getKind()) {
|
|
case Decl::Var: {
|
|
VarDecl *var_decl = (VarDecl *)decl;
|
|
QualType qual_type = var_decl->getTypeSourceInfo()->getType();
|
|
AstNode *init_node = nullptr;
|
|
if (var_decl->hasInit()) {
|
|
init_node = trans_expr(c, ResultUsedYes, scope, var_decl->getInit(), TransRValue);
|
|
if (init_node == nullptr)
|
|
return ErrorUnexpected;
|
|
|
|
} else {
|
|
init_node = trans_create_node(c, NodeTypeUndefinedLiteral);
|
|
}
|
|
AstNode *type_node = trans_qual_type(c, qual_type, stmt->getBeginLoc());
|
|
if (type_node == nullptr)
|
|
return ErrorUnexpected;
|
|
|
|
Buf *c_symbol_name = buf_create_from_str(decl_name(var_decl));
|
|
|
|
TransScopeVar *var_scope = trans_scope_var_create(c, scope, c_symbol_name);
|
|
scope = &var_scope->base;
|
|
|
|
AstNode *node = trans_create_node_var_decl_local(c, qual_type.isConstQualified(),
|
|
var_scope->zig_name, type_node, init_node);
|
|
|
|
scope_block->node->data.block.statements.append(node);
|
|
continue;
|
|
}
|
|
case Decl::AccessSpec:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind AccessSpec");
|
|
return ErrorUnexpected;
|
|
case Decl::Block:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Block");
|
|
return ErrorUnexpected;
|
|
case Decl::Captured:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Captured");
|
|
return ErrorUnexpected;
|
|
case Decl::ClassScopeFunctionSpecialization:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ClassScopeFunctionSpecialization");
|
|
return ErrorUnexpected;
|
|
case Decl::Empty:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Empty");
|
|
return ErrorUnexpected;
|
|
case Decl::Export:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Export");
|
|
return ErrorUnexpected;
|
|
case Decl::ExternCContext:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ExternCContext");
|
|
return ErrorUnexpected;
|
|
case Decl::FileScopeAsm:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind FileScopeAsm");
|
|
return ErrorUnexpected;
|
|
case Decl::Friend:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Friend");
|
|
return ErrorUnexpected;
|
|
case Decl::FriendTemplate:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind FriendTemplate");
|
|
return ErrorUnexpected;
|
|
case Decl::Import:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Import");
|
|
return ErrorUnexpected;
|
|
case Decl::LinkageSpec:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind LinkageSpec");
|
|
return ErrorUnexpected;
|
|
case Decl::Label:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Label");
|
|
return ErrorUnexpected;
|
|
case Decl::Namespace:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Namespace");
|
|
return ErrorUnexpected;
|
|
case Decl::NamespaceAlias:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind NamespaceAlias");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCCompatibleAlias:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCCompatibleAlias");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCCategory:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCCategory");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCCategoryImpl:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCCategoryImpl");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCImplementation:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCImplementation");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCInterface:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCInterface");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCProtocol:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCProtocol");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCMethod:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCMethod");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCProperty:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCProperty");
|
|
return ErrorUnexpected;
|
|
case Decl::BuiltinTemplate:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind BuiltinTemplate");
|
|
return ErrorUnexpected;
|
|
case Decl::ClassTemplate:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ClassTemplate");
|
|
return ErrorUnexpected;
|
|
case Decl::FunctionTemplate:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind FunctionTemplate");
|
|
return ErrorUnexpected;
|
|
case Decl::TypeAliasTemplate:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind TypeAliasTemplate");
|
|
return ErrorUnexpected;
|
|
case Decl::VarTemplate:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind VarTemplate");
|
|
return ErrorUnexpected;
|
|
case Decl::TemplateTemplateParm:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind TemplateTemplateParm");
|
|
return ErrorUnexpected;
|
|
case Decl::Enum:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Enum");
|
|
return ErrorUnexpected;
|
|
case Decl::Record:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Record");
|
|
return ErrorUnexpected;
|
|
case Decl::CXXRecord:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind CXXRecord");
|
|
return ErrorUnexpected;
|
|
case Decl::ClassTemplateSpecialization:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ClassTemplateSpecialization");
|
|
return ErrorUnexpected;
|
|
case Decl::ClassTemplatePartialSpecialization:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ClassTemplatePartialSpecialization");
|
|
return ErrorUnexpected;
|
|
case Decl::TemplateTypeParm:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind TemplateTypeParm");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCTypeParam:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCTypeParam");
|
|
return ErrorUnexpected;
|
|
case Decl::TypeAlias:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind TypeAlias");
|
|
return ErrorUnexpected;
|
|
case Decl::Typedef:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Typedef");
|
|
return ErrorUnexpected;
|
|
case Decl::UnresolvedUsingTypename:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind UnresolvedUsingTypename");
|
|
return ErrorUnexpected;
|
|
case Decl::Using:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Using");
|
|
return ErrorUnexpected;
|
|
case Decl::UsingDirective:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind UsingDirective");
|
|
return ErrorUnexpected;
|
|
case Decl::UsingPack:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind UsingPack");
|
|
return ErrorUnexpected;
|
|
case Decl::UsingShadow:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind UsingShadow");
|
|
return ErrorUnexpected;
|
|
case Decl::ConstructorUsingShadow:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ConstructorUsingShadow");
|
|
return ErrorUnexpected;
|
|
case Decl::Binding:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Binding");
|
|
return ErrorUnexpected;
|
|
case Decl::Field:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Field");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCAtDefsField:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCAtDefsField");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCIvar:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCIvar");
|
|
return ErrorUnexpected;
|
|
case Decl::Function:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Function");
|
|
return ErrorUnexpected;
|
|
case Decl::CXXDeductionGuide:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind CXXDeductionGuide");
|
|
return ErrorUnexpected;
|
|
case Decl::CXXMethod:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind CXXMethod");
|
|
return ErrorUnexpected;
|
|
case Decl::CXXConstructor:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind CXXConstructor");
|
|
return ErrorUnexpected;
|
|
case Decl::CXXConversion:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind CXXConversion");
|
|
return ErrorUnexpected;
|
|
case Decl::CXXDestructor:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind CXXDestructor");
|
|
return ErrorUnexpected;
|
|
case Decl::MSProperty:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind MSProperty");
|
|
return ErrorUnexpected;
|
|
case Decl::NonTypeTemplateParm:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind NonTypeTemplateParm");
|
|
return ErrorUnexpected;
|
|
case Decl::Decomposition:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind Decomposition");
|
|
return ErrorUnexpected;
|
|
case Decl::ImplicitParam:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ImplicitParam");
|
|
return ErrorUnexpected;
|
|
case Decl::OMPCapturedExpr:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind OMPCapturedExpr");
|
|
return ErrorUnexpected;
|
|
case Decl::ParmVar:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ParmVar");
|
|
return ErrorUnexpected;
|
|
case Decl::VarTemplateSpecialization:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind VarTemplateSpecialization");
|
|
return ErrorUnexpected;
|
|
case Decl::VarTemplatePartialSpecialization:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind VarTemplatePartialSpecialization");
|
|
return ErrorUnexpected;
|
|
case Decl::EnumConstant:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind EnumConstant");
|
|
return ErrorUnexpected;
|
|
case Decl::IndirectField:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind IndirectField");
|
|
return ErrorUnexpected;
|
|
case Decl::OMPDeclareReduction:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind OMPDeclareReduction");
|
|
return ErrorUnexpected;
|
|
case Decl::UnresolvedUsingValue:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind UnresolvedUsingValue");
|
|
return ErrorUnexpected;
|
|
case Decl::OMPThreadPrivate:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind OMPThreadPrivate");
|
|
return ErrorUnexpected;
|
|
case Decl::ObjCPropertyImpl:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind ObjCPropertyImpl");
|
|
return ErrorUnexpected;
|
|
case Decl::PragmaComment:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind PragmaComment");
|
|
return ErrorUnexpected;
|
|
case Decl::PragmaDetectMismatch:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind PragmaDetectMismatch");
|
|
return ErrorUnexpected;
|
|
case Decl::StaticAssert:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind StaticAssert");
|
|
return ErrorUnexpected;
|
|
case Decl::TranslationUnit:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind TranslationUnit");
|
|
return ErrorUnexpected;
|
|
case Decl::OMPRequires:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle decl kind OMPRequires");
|
|
return ErrorUnexpected;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
*out_scope = scope;
|
|
return ErrorNone;
|
|
}
|
|
|
|
static AstNode *to_enum_zero_cmp(Context *c, AstNode *expr, AstNode *enum_type) {
|
|
AstNode *tag_type = trans_create_node_builtin_fn_call_str(c, "TagType");
|
|
tag_type->data.fn_call_expr.params.append(enum_type);
|
|
|
|
// @TagType(Enum)(0)
|
|
AstNode *zero = trans_create_node_unsigned_negative(c, 0, false);
|
|
AstNode *casted_zero = trans_create_node_fn_call_1(c, tag_type, zero);
|
|
|
|
// @bitCast(Enum, @TagType(Enum)(0))
|
|
AstNode *bitcast = trans_create_node_builtin_fn_call_str(c, "bitCast");
|
|
bitcast->data.fn_call_expr.params.append(enum_type);
|
|
bitcast->data.fn_call_expr.params.append(casted_zero);
|
|
|
|
return trans_create_node_bin_op(c, expr, BinOpTypeCmpNotEq, bitcast);
|
|
}
|
|
|
|
static AstNode *trans_bool_expr(Context *c, ResultUsed result_used, TransScope *scope, const Expr *expr, TransLRValue lrval) {
|
|
AstNode *res = trans_expr(c, result_used, scope, expr, lrval);
|
|
if (res == nullptr)
|
|
return nullptr;
|
|
|
|
switch (res->type) {
|
|
case NodeTypeBinOpExpr:
|
|
switch (res->data.bin_op_expr.bin_op) {
|
|
case BinOpTypeBoolOr:
|
|
case BinOpTypeBoolAnd:
|
|
case BinOpTypeCmpEq:
|
|
case BinOpTypeCmpNotEq:
|
|
case BinOpTypeCmpLessThan:
|
|
case BinOpTypeCmpGreaterThan:
|
|
case BinOpTypeCmpLessOrEq:
|
|
case BinOpTypeCmpGreaterOrEq:
|
|
return res;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
case NodeTypePrefixOpExpr:
|
|
switch (res->data.prefix_op_expr.prefix_op) {
|
|
case PrefixOpBoolNot:
|
|
return res;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
case NodeTypeBoolLiteral:
|
|
return res;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
|
|
const Type *ty = get_expr_qual_type_before_implicit_cast(c, expr).getTypePtr();
|
|
auto classs = ty->getTypeClass();
|
|
switch (classs) {
|
|
case Type::Builtin:
|
|
{
|
|
const BuiltinType *builtin_ty = static_cast<const BuiltinType*>(ty);
|
|
switch (builtin_ty->getKind()) {
|
|
case BuiltinType::Bool:
|
|
case BuiltinType::Char_U:
|
|
case BuiltinType::UChar:
|
|
case BuiltinType::Char_S:
|
|
case BuiltinType::SChar:
|
|
case BuiltinType::UShort:
|
|
case BuiltinType::UInt:
|
|
case BuiltinType::ULong:
|
|
case BuiltinType::ULongLong:
|
|
case BuiltinType::Short:
|
|
case BuiltinType::Int:
|
|
case BuiltinType::Long:
|
|
case BuiltinType::LongLong:
|
|
case BuiltinType::UInt128:
|
|
case BuiltinType::Int128:
|
|
case BuiltinType::Float:
|
|
case BuiltinType::Double:
|
|
case BuiltinType::Float128:
|
|
case BuiltinType::LongDouble:
|
|
case BuiltinType::WChar_U:
|
|
case BuiltinType::Char8:
|
|
case BuiltinType::Char16:
|
|
case BuiltinType::Char32:
|
|
case BuiltinType::WChar_S:
|
|
case BuiltinType::Float16:
|
|
return trans_create_node_bin_op(c, res, BinOpTypeCmpNotEq, trans_create_node_unsigned_negative(c, 0, false));
|
|
case BuiltinType::NullPtr:
|
|
return trans_create_node_bin_op(c, res, BinOpTypeCmpNotEq, trans_create_node(c, NodeTypeNullLiteral));
|
|
|
|
case BuiltinType::Void:
|
|
case BuiltinType::Half:
|
|
case BuiltinType::ObjCId:
|
|
case BuiltinType::ObjCClass:
|
|
case BuiltinType::ObjCSel:
|
|
case BuiltinType::OMPArraySection:
|
|
case BuiltinType::Dependent:
|
|
case BuiltinType::Overload:
|
|
case BuiltinType::BoundMember:
|
|
case BuiltinType::PseudoObject:
|
|
case BuiltinType::UnknownAny:
|
|
case BuiltinType::BuiltinFn:
|
|
case BuiltinType::ARCUnbridgedCast:
|
|
case BuiltinType::OCLImage1dRO:
|
|
case BuiltinType::OCLImage1dArrayRO:
|
|
case BuiltinType::OCLImage1dBufferRO:
|
|
case BuiltinType::OCLImage2dRO:
|
|
case BuiltinType::OCLImage2dArrayRO:
|
|
case BuiltinType::OCLImage2dDepthRO:
|
|
case BuiltinType::OCLImage2dArrayDepthRO:
|
|
case BuiltinType::OCLImage2dMSAARO:
|
|
case BuiltinType::OCLImage2dArrayMSAARO:
|
|
case BuiltinType::OCLImage2dMSAADepthRO:
|
|
case BuiltinType::OCLImage2dArrayMSAADepthRO:
|
|
case BuiltinType::OCLImage3dRO:
|
|
case BuiltinType::OCLImage1dWO:
|
|
case BuiltinType::OCLImage1dArrayWO:
|
|
case BuiltinType::OCLImage1dBufferWO:
|
|
case BuiltinType::OCLImage2dWO:
|
|
case BuiltinType::OCLImage2dArrayWO:
|
|
case BuiltinType::OCLImage2dDepthWO:
|
|
case BuiltinType::OCLImage2dArrayDepthWO:
|
|
case BuiltinType::OCLImage2dMSAAWO:
|
|
case BuiltinType::OCLImage2dArrayMSAAWO:
|
|
case BuiltinType::OCLImage2dMSAADepthWO:
|
|
case BuiltinType::OCLImage2dArrayMSAADepthWO:
|
|
case BuiltinType::OCLImage3dWO:
|
|
case BuiltinType::OCLImage1dRW:
|
|
case BuiltinType::OCLImage1dArrayRW:
|
|
case BuiltinType::OCLImage1dBufferRW:
|
|
case BuiltinType::OCLImage2dRW:
|
|
case BuiltinType::OCLImage2dArrayRW:
|
|
case BuiltinType::OCLImage2dDepthRW:
|
|
case BuiltinType::OCLImage2dArrayDepthRW:
|
|
case BuiltinType::OCLImage2dMSAARW:
|
|
case BuiltinType::OCLImage2dArrayMSAARW:
|
|
case BuiltinType::OCLImage2dMSAADepthRW:
|
|
case BuiltinType::OCLImage2dArrayMSAADepthRW:
|
|
case BuiltinType::OCLImage3dRW:
|
|
case BuiltinType::OCLSampler:
|
|
case BuiltinType::OCLEvent:
|
|
case BuiltinType::OCLClkEvent:
|
|
case BuiltinType::OCLQueue:
|
|
case BuiltinType::OCLReserveID:
|
|
case BuiltinType::ShortAccum:
|
|
case BuiltinType::Accum:
|
|
case BuiltinType::LongAccum:
|
|
case BuiltinType::UShortAccum:
|
|
case BuiltinType::UAccum:
|
|
case BuiltinType::ULongAccum:
|
|
case BuiltinType::ShortFract:
|
|
case BuiltinType::Fract:
|
|
case BuiltinType::LongFract:
|
|
case BuiltinType::UShortFract:
|
|
case BuiltinType::UFract:
|
|
case BuiltinType::ULongFract:
|
|
case BuiltinType::SatShortAccum:
|
|
case BuiltinType::SatAccum:
|
|
case BuiltinType::SatLongAccum:
|
|
case BuiltinType::SatUShortAccum:
|
|
case BuiltinType::SatUAccum:
|
|
case BuiltinType::SatULongAccum:
|
|
case BuiltinType::SatShortFract:
|
|
case BuiltinType::SatFract:
|
|
case BuiltinType::SatLongFract:
|
|
case BuiltinType::SatUShortFract:
|
|
case BuiltinType::SatUFract:
|
|
case BuiltinType::SatULongFract:
|
|
case BuiltinType::OCLIntelSubgroupAVCMcePayload:
|
|
case BuiltinType::OCLIntelSubgroupAVCImePayload:
|
|
case BuiltinType::OCLIntelSubgroupAVCRefPayload:
|
|
case BuiltinType::OCLIntelSubgroupAVCSicPayload:
|
|
case BuiltinType::OCLIntelSubgroupAVCMceResult:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeResult:
|
|
case BuiltinType::OCLIntelSubgroupAVCRefResult:
|
|
case BuiltinType::OCLIntelSubgroupAVCSicResult:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeResultSingleRefStreamout:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeResultDualRefStreamout:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeSingleRefStreamin:
|
|
case BuiltinType::OCLIntelSubgroupAVCImeDualRefStreamin:
|
|
return res;
|
|
}
|
|
break;
|
|
}
|
|
case Type::Pointer:
|
|
return trans_create_node_bin_op(c, res, BinOpTypeCmpNotEq, trans_create_node(c, NodeTypeNullLiteral));
|
|
|
|
case Type::Typedef:
|
|
{
|
|
const TypedefType *typedef_ty = static_cast<const TypedefType*>(ty);
|
|
const TypedefNameDecl *typedef_decl = typedef_ty->getDecl();
|
|
auto existing_entry = c->decl_table.maybe_get((void*)typedef_decl->getCanonicalDecl());
|
|
if (existing_entry) {
|
|
return existing_entry->value;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
case Type::Enum:
|
|
{
|
|
const EnumType *enum_ty = static_cast<const EnumType*>(ty);
|
|
AstNode *enum_type = resolve_enum_decl(c, enum_ty->getDecl());
|
|
return to_enum_zero_cmp(c, res, enum_type);
|
|
}
|
|
|
|
case Type::Elaborated:
|
|
{
|
|
const ElaboratedType *elaborated_ty = static_cast<const ElaboratedType*>(ty);
|
|
switch (elaborated_ty->getKeyword()) {
|
|
case ETK_Enum: {
|
|
AstNode *enum_type = trans_qual_type(c, elaborated_ty->getNamedType(), expr->getBeginLoc());
|
|
return to_enum_zero_cmp(c, res, enum_type);
|
|
}
|
|
case ETK_Struct:
|
|
case ETK_Union:
|
|
case ETK_Interface:
|
|
case ETK_Class:
|
|
case ETK_Typename:
|
|
case ETK_None:
|
|
return res;
|
|
}
|
|
}
|
|
|
|
case Type::FunctionProto:
|
|
case Type::Record:
|
|
case Type::ConstantArray:
|
|
case Type::Paren:
|
|
case Type::Decayed:
|
|
case Type::Attributed:
|
|
case Type::IncompleteArray:
|
|
case Type::BlockPointer:
|
|
case Type::LValueReference:
|
|
case Type::RValueReference:
|
|
case Type::MemberPointer:
|
|
case Type::VariableArray:
|
|
case Type::DependentSizedArray:
|
|
case Type::DependentSizedExtVector:
|
|
case Type::Vector:
|
|
case Type::ExtVector:
|
|
case Type::FunctionNoProto:
|
|
case Type::UnresolvedUsing:
|
|
case Type::Adjusted:
|
|
case Type::TypeOfExpr:
|
|
case Type::TypeOf:
|
|
case Type::Decltype:
|
|
case Type::UnaryTransform:
|
|
case Type::TemplateTypeParm:
|
|
case Type::SubstTemplateTypeParm:
|
|
case Type::SubstTemplateTypeParmPack:
|
|
case Type::TemplateSpecialization:
|
|
case Type::Auto:
|
|
case Type::InjectedClassName:
|
|
case Type::DependentName:
|
|
case Type::DependentTemplateSpecialization:
|
|
case Type::PackExpansion:
|
|
case Type::ObjCObject:
|
|
case Type::ObjCInterface:
|
|
case Type::Complex:
|
|
case Type::ObjCObjectPointer:
|
|
case Type::Atomic:
|
|
case Type::Pipe:
|
|
case Type::ObjCTypeParam:
|
|
case Type::DeducedTemplateSpecialization:
|
|
case Type::DependentAddressSpace:
|
|
case Type::DependentVector:
|
|
return res;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
static AstNode *trans_while_loop(Context *c, TransScope *scope, const WhileStmt *stmt) {
|
|
TransScopeWhile *while_scope = trans_scope_while_create(c, scope);
|
|
|
|
while_scope->node->data.while_expr.condition = trans_bool_expr(c, ResultUsedYes, scope, stmt->getCond(), TransRValue);
|
|
if (while_scope->node->data.while_expr.condition == nullptr)
|
|
return nullptr;
|
|
|
|
TransScope *body_scope = trans_stmt(c, &while_scope->base, stmt->getBody(),
|
|
&while_scope->node->data.while_expr.body);
|
|
if (body_scope == nullptr)
|
|
return nullptr;
|
|
|
|
return while_scope->node;
|
|
}
|
|
|
|
static AstNode *trans_if_statement(Context *c, TransScope *scope, const IfStmt *stmt) {
|
|
// if (c) t
|
|
// if (c) t else e
|
|
AstNode *if_node = trans_create_node(c, NodeTypeIfBoolExpr);
|
|
|
|
TransScope *then_scope = trans_stmt(c, scope, stmt->getThen(), &if_node->data.if_bool_expr.then_block);
|
|
if (then_scope == nullptr)
|
|
return nullptr;
|
|
|
|
if (stmt->getElse() != nullptr) {
|
|
TransScope *else_scope = trans_stmt(c, scope, stmt->getElse(), &if_node->data.if_bool_expr.else_node);
|
|
if (else_scope == nullptr)
|
|
return nullptr;
|
|
}
|
|
|
|
if_node->data.if_bool_expr.condition = trans_bool_expr(c, ResultUsedYes, scope, stmt->getCond(), TransRValue);
|
|
if (if_node->data.if_bool_expr.condition == nullptr)
|
|
return nullptr;
|
|
|
|
return if_node;
|
|
}
|
|
|
|
static AstNode *trans_call_expr(Context *c, ResultUsed result_used, TransScope *scope, const CallExpr *stmt) {
|
|
AstNode *node = trans_create_node(c, NodeTypeFnCallExpr);
|
|
|
|
AstNode *callee_raw_node = trans_expr(c, ResultUsedYes, scope, stmt->getCallee(), TransRValue);
|
|
if (callee_raw_node == nullptr)
|
|
return nullptr;
|
|
|
|
bool is_ptr = false;
|
|
const FunctionProtoType *fn_ty = qual_type_get_fn_proto(stmt->getCallee()->getType(), &is_ptr);
|
|
AstNode *callee_node = nullptr;
|
|
if (is_ptr && fn_ty) {
|
|
if (stmt->getCallee()->getStmtClass() == Stmt::ImplicitCastExprClass) {
|
|
const ImplicitCastExpr *implicit_cast = static_cast<const ImplicitCastExpr *>(stmt->getCallee());
|
|
if (implicit_cast->getCastKind() == CK_FunctionToPointerDecay) {
|
|
if (implicit_cast->getSubExpr()->getStmtClass() == Stmt::DeclRefExprClass) {
|
|
const DeclRefExpr *decl_ref = static_cast<const DeclRefExpr *>(implicit_cast->getSubExpr());
|
|
const Decl *decl = decl_ref->getFoundDecl();
|
|
if (decl->getKind() == Decl::Function) {
|
|
callee_node = callee_raw_node;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (callee_node == nullptr) {
|
|
callee_node = trans_create_node_unwrap_null(c, callee_raw_node);
|
|
}
|
|
} else {
|
|
callee_node = callee_raw_node;
|
|
}
|
|
|
|
node->data.fn_call_expr.fn_ref_expr = callee_node;
|
|
|
|
unsigned num_args = stmt->getNumArgs();
|
|
const Expr * const* args = stmt->getArgs();
|
|
for (unsigned i = 0; i < num_args; i += 1) {
|
|
AstNode *arg_node = trans_expr(c, ResultUsedYes, scope, args[i], TransRValue);
|
|
if (arg_node == nullptr)
|
|
return nullptr;
|
|
|
|
node->data.fn_call_expr.params.append(arg_node);
|
|
}
|
|
|
|
if (result_used == ResultUsedNo && fn_ty && !qual_type_canon(fn_ty->getReturnType())->isVoidType()) {
|
|
node = trans_create_node_bin_op(c, trans_create_node_symbol_str(c, "_"), BinOpTypeAssign, node);
|
|
}
|
|
|
|
return node;
|
|
}
|
|
|
|
static AstNode *trans_member_expr(Context *c, TransScope *scope, const MemberExpr *stmt) {
|
|
AstNode *container_node = trans_expr(c, ResultUsedYes, scope, stmt->getBase(), TransRValue);
|
|
if (container_node == nullptr)
|
|
return nullptr;
|
|
|
|
if (stmt->isArrow()) {
|
|
container_node = trans_create_node_unwrap_null(c, container_node);
|
|
}
|
|
|
|
const char *name = decl_name(stmt->getMemberDecl());
|
|
|
|
AstNode *node = trans_create_node_field_access_str(c, container_node, name);
|
|
return node;
|
|
}
|
|
|
|
static AstNode *trans_array_subscript_expr(Context *c, TransScope *scope, const ArraySubscriptExpr *stmt) {
|
|
AstNode *container_node = trans_expr(c, ResultUsedYes, scope, stmt->getBase(), TransRValue);
|
|
if (container_node == nullptr)
|
|
return nullptr;
|
|
|
|
AstNode *idx_node = trans_expr(c, ResultUsedYes, scope, stmt->getIdx(), TransRValue);
|
|
if (idx_node == nullptr)
|
|
return nullptr;
|
|
|
|
|
|
AstNode *node = trans_create_node(c, NodeTypeArrayAccessExpr);
|
|
node->data.array_access_expr.array_ref_expr = container_node;
|
|
node->data.array_access_expr.subscript = idx_node;
|
|
return node;
|
|
}
|
|
|
|
static AstNode *trans_c_style_cast_expr(Context *c, ResultUsed result_used, TransScope *scope,
|
|
const CStyleCastExpr *stmt, TransLRValue lrvalue)
|
|
{
|
|
AstNode *sub_expr_node = trans_expr(c, result_used, scope, stmt->getSubExpr(), lrvalue);
|
|
if (sub_expr_node == nullptr)
|
|
return nullptr;
|
|
|
|
return trans_c_cast(c, stmt->getBeginLoc(), stmt->getType(), stmt->getSubExpr()->getType(), sub_expr_node);
|
|
}
|
|
|
|
static AstNode *trans_unary_expr_or_type_trait_expr(Context *c, TransScope *scope,
|
|
const UnaryExprOrTypeTraitExpr *stmt)
|
|
{
|
|
AstNode *type_node = trans_qual_type(c, stmt->getTypeOfArgument(), stmt->getBeginLoc());
|
|
if (type_node == nullptr)
|
|
return nullptr;
|
|
|
|
AstNode *node = trans_create_node_builtin_fn_call_str(c, "sizeOf");
|
|
node->data.fn_call_expr.params.append(type_node);
|
|
return node;
|
|
}
|
|
|
|
static AstNode *trans_do_loop(Context *c, TransScope *parent_scope, const DoStmt *stmt) {
|
|
TransScopeWhile *while_scope = trans_scope_while_create(c, parent_scope);
|
|
|
|
while_scope->node->data.while_expr.condition = trans_create_node_bool(c, true);
|
|
|
|
AstNode *body_node;
|
|
TransScope *child_scope;
|
|
if (stmt->getBody()->getStmtClass() == Stmt::CompoundStmtClass) {
|
|
// there's already a block in C, so we'll append our condition to it.
|
|
// c: do {
|
|
// c: a;
|
|
// c: b;
|
|
// c: } while(c);
|
|
// zig: while (true) {
|
|
// zig: a;
|
|
// zig: b;
|
|
// zig: if (!cond) break;
|
|
// zig: }
|
|
|
|
// We call the low level function so that we can set child_scope to the scope of the generated block.
|
|
if (trans_stmt_extra(c, &while_scope->base, stmt->getBody(), ResultUsedNo, TransRValue, &body_node,
|
|
nullptr, &child_scope))
|
|
{
|
|
return nullptr;
|
|
}
|
|
assert(body_node->type == NodeTypeBlock);
|
|
} else {
|
|
// the C statement is without a block, so we need to create a block to contain it.
|
|
// c: do
|
|
// c: a;
|
|
// c: while(c);
|
|
// zig: while (true) {
|
|
// zig: a;
|
|
// zig: if (!cond) break;
|
|
// zig: }
|
|
TransScopeBlock *child_block_scope = trans_scope_block_create(c, &while_scope->base);
|
|
body_node = child_block_scope->node;
|
|
AstNode *child_statement;
|
|
child_scope = trans_stmt(c, &child_block_scope->base, stmt->getBody(), &child_statement);
|
|
if (child_scope == nullptr) return nullptr;
|
|
if (child_statement != nullptr) {
|
|
body_node->data.block.statements.append(child_statement);
|
|
}
|
|
}
|
|
|
|
// if (!cond) break;
|
|
AstNode *condition_node = trans_expr(c, ResultUsedYes, child_scope, stmt->getCond(), TransRValue);
|
|
if (condition_node == nullptr) return nullptr;
|
|
AstNode *terminator_node = trans_create_node(c, NodeTypeIfBoolExpr);
|
|
terminator_node->data.if_bool_expr.condition = trans_create_node_prefix_op(c, PrefixOpBoolNot, condition_node);
|
|
terminator_node->data.if_bool_expr.then_block = trans_create_node(c, NodeTypeBreak);
|
|
|
|
assert(terminator_node != nullptr);
|
|
body_node->data.block.statements.append(terminator_node);
|
|
|
|
while_scope->node->data.while_expr.body = body_node;
|
|
|
|
return while_scope->node;
|
|
}
|
|
|
|
static AstNode *trans_for_loop(Context *c, TransScope *parent_scope, const ForStmt *stmt) {
|
|
AstNode *loop_block_node;
|
|
TransScopeWhile *while_scope;
|
|
TransScope *cond_scope;
|
|
const Stmt *init_stmt = stmt->getInit();
|
|
if (init_stmt == nullptr) {
|
|
while_scope = trans_scope_while_create(c, parent_scope);
|
|
loop_block_node = while_scope->node;
|
|
cond_scope = parent_scope;
|
|
} else {
|
|
TransScopeBlock *child_scope = trans_scope_block_create(c, parent_scope);
|
|
loop_block_node = child_scope->node;
|
|
|
|
AstNode *vars_node;
|
|
cond_scope = trans_stmt(c, &child_scope->base, init_stmt, &vars_node);
|
|
if (cond_scope == nullptr)
|
|
return nullptr;
|
|
if (vars_node != nullptr)
|
|
child_scope->node->data.block.statements.append(vars_node);
|
|
|
|
while_scope = trans_scope_while_create(c, cond_scope);
|
|
|
|
child_scope->node->data.block.statements.append(while_scope->node);
|
|
}
|
|
|
|
const Stmt *cond_stmt = stmt->getCond();
|
|
if (cond_stmt == nullptr) {
|
|
while_scope->node->data.while_expr.condition = trans_create_node_bool(c, true);
|
|
} else {
|
|
if (Expr::classof(cond_stmt)) {
|
|
const Expr *cond_expr = static_cast<const Expr*>(cond_stmt);
|
|
while_scope->node->data.while_expr.condition = trans_bool_expr(c, ResultUsedYes, cond_scope, cond_expr, TransRValue);
|
|
|
|
if (while_scope->node->data.while_expr.condition == nullptr)
|
|
return nullptr;
|
|
} else {
|
|
TransScope *end_cond_scope = trans_stmt(c, cond_scope, cond_stmt,
|
|
&while_scope->node->data.while_expr.condition);
|
|
if (end_cond_scope == nullptr)
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
const Stmt *inc_stmt = stmt->getInc();
|
|
if (inc_stmt != nullptr) {
|
|
AstNode *inc_node;
|
|
TransScope *inc_scope = trans_stmt(c, cond_scope, inc_stmt, &inc_node);
|
|
if (inc_scope == nullptr)
|
|
return nullptr;
|
|
while_scope->node->data.while_expr.continue_expr = inc_node;
|
|
}
|
|
|
|
AstNode *body_statement;
|
|
TransScope *body_scope = trans_stmt(c, &while_scope->base, stmt->getBody(), &body_statement);
|
|
if (body_scope == nullptr)
|
|
return nullptr;
|
|
|
|
if (body_statement == nullptr) {
|
|
while_scope->node->data.while_expr.body = trans_create_node(c, NodeTypeBlock);
|
|
} else {
|
|
while_scope->node->data.while_expr.body = body_statement;
|
|
}
|
|
|
|
return loop_block_node;
|
|
}
|
|
|
|
static AstNode *trans_switch_stmt(Context *c, TransScope *parent_scope, const SwitchStmt *stmt) {
|
|
TransScopeBlock *block_scope = trans_scope_block_create(c, parent_scope);
|
|
|
|
TransScopeSwitch *switch_scope;
|
|
|
|
const DeclStmt *var_decl_stmt = stmt->getConditionVariableDeclStmt();
|
|
if (var_decl_stmt == nullptr) {
|
|
switch_scope = trans_scope_switch_create(c, &block_scope->base);
|
|
} else {
|
|
AstNode *vars_node;
|
|
TransScope *var_scope = trans_stmt(c, &block_scope->base, var_decl_stmt, &vars_node);
|
|
if (var_scope == nullptr)
|
|
return nullptr;
|
|
if (vars_node != nullptr)
|
|
block_scope->node->data.block.statements.append(vars_node);
|
|
switch_scope = trans_scope_switch_create(c, var_scope);
|
|
}
|
|
block_scope->node->data.block.statements.append(switch_scope->switch_node);
|
|
|
|
// TODO avoid name collisions
|
|
Buf *end_label_name = buf_create_from_str("__switch");
|
|
switch_scope->end_label_name = end_label_name;
|
|
block_scope->node->data.block.name = end_label_name;
|
|
|
|
const Expr *cond_expr = stmt->getCond();
|
|
assert(cond_expr != nullptr);
|
|
|
|
AstNode *expr_node = trans_expr(c, ResultUsedYes, &block_scope->base, cond_expr, TransRValue);
|
|
if (expr_node == nullptr)
|
|
return nullptr;
|
|
switch_scope->switch_node->data.switch_expr.expr = expr_node;
|
|
|
|
AstNode *body_node;
|
|
const Stmt *body_stmt = stmt->getBody();
|
|
if (body_stmt->getStmtClass() == Stmt::CompoundStmtClass) {
|
|
if (trans_compound_stmt_inline(c, &switch_scope->base, (const CompoundStmt *)body_stmt,
|
|
block_scope->node, nullptr))
|
|
{
|
|
return nullptr;
|
|
}
|
|
} else {
|
|
TransScope *body_scope = trans_stmt(c, &switch_scope->base, body_stmt, &body_node);
|
|
if (body_scope == nullptr)
|
|
return nullptr;
|
|
if (body_node != nullptr)
|
|
block_scope->node->data.block.statements.append(body_node);
|
|
}
|
|
|
|
if (!switch_scope->found_default && !stmt->isAllEnumCasesCovered()) {
|
|
AstNode *prong_node = trans_create_node(c, NodeTypeSwitchProng);
|
|
prong_node->data.switch_prong.expr = trans_create_node_break(c, end_label_name, nullptr);
|
|
switch_scope->switch_node->data.switch_expr.prongs.append(prong_node);
|
|
}
|
|
|
|
return block_scope->node;
|
|
}
|
|
|
|
static TransScopeSwitch *trans_scope_switch_find(TransScope *scope) {
|
|
while (scope != nullptr) {
|
|
if (scope->id == TransScopeIdSwitch) {
|
|
return (TransScopeSwitch *)scope;
|
|
}
|
|
scope = scope->parent;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
static int trans_switch_case(Context *c, TransScope *parent_scope, const CaseStmt *stmt, AstNode **out_node,
|
|
TransScope **out_scope) {
|
|
*out_node = nullptr;
|
|
|
|
if (stmt->getRHS() != nullptr) {
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO support GNU switch case a ... b extension");
|
|
return ErrorUnexpected;
|
|
}
|
|
|
|
TransScopeSwitch *switch_scope = trans_scope_switch_find(parent_scope);
|
|
assert(switch_scope != nullptr);
|
|
|
|
Buf *label_name = buf_sprintf("__case_%" PRIu32, switch_scope->case_index);
|
|
switch_scope->case_index += 1;
|
|
|
|
{
|
|
// Add the prong
|
|
AstNode *prong_node = trans_create_node(c, NodeTypeSwitchProng);
|
|
AstNode *item_node = trans_expr(c, ResultUsedYes, &switch_scope->base, stmt->getLHS(), TransRValue);
|
|
if (item_node == nullptr)
|
|
return ErrorUnexpected;
|
|
prong_node->data.switch_prong.items.append(item_node);
|
|
prong_node->data.switch_prong.expr = trans_create_node_break(c, label_name, nullptr);
|
|
switch_scope->switch_node->data.switch_expr.prongs.append(prong_node);
|
|
}
|
|
|
|
TransScopeBlock *scope_block = trans_scope_block_find(parent_scope);
|
|
|
|
AstNode *case_block = trans_create_node(c, NodeTypeBlock);
|
|
case_block->data.block.name = label_name;
|
|
case_block->data.block.statements = scope_block->node->data.block.statements;
|
|
scope_block->node->data.block.statements = {0};
|
|
scope_block->node->data.block.statements.append(case_block);
|
|
|
|
AstNode *sub_stmt_node;
|
|
TransScope *new_scope = trans_stmt(c, parent_scope, stmt->getSubStmt(), &sub_stmt_node);
|
|
if (new_scope == nullptr)
|
|
return ErrorUnexpected;
|
|
if (sub_stmt_node != nullptr)
|
|
scope_block->node->data.block.statements.append(sub_stmt_node);
|
|
|
|
*out_scope = new_scope;
|
|
return ErrorNone;
|
|
}
|
|
|
|
static int trans_switch_default(Context *c, TransScope *parent_scope, const DefaultStmt *stmt, AstNode **out_node,
|
|
TransScope **out_scope)
|
|
{
|
|
*out_node = nullptr;
|
|
|
|
TransScopeSwitch *switch_scope = trans_scope_switch_find(parent_scope);
|
|
assert(switch_scope != nullptr);
|
|
|
|
Buf *label_name = buf_sprintf("__default");
|
|
|
|
{
|
|
// Add the prong
|
|
AstNode *prong_node = trans_create_node(c, NodeTypeSwitchProng);
|
|
prong_node->data.switch_prong.expr = trans_create_node_break(c, label_name, nullptr);
|
|
switch_scope->switch_node->data.switch_expr.prongs.append(prong_node);
|
|
switch_scope->found_default = true;
|
|
}
|
|
|
|
TransScopeBlock *scope_block = trans_scope_block_find(parent_scope);
|
|
|
|
AstNode *case_block = trans_create_node(c, NodeTypeBlock);
|
|
case_block->data.block.name = label_name;
|
|
case_block->data.block.statements = scope_block->node->data.block.statements;
|
|
scope_block->node->data.block.statements = {0};
|
|
scope_block->node->data.block.statements.append(case_block);
|
|
|
|
AstNode *sub_stmt_node;
|
|
TransScope *new_scope = trans_stmt(c, parent_scope, stmt->getSubStmt(), &sub_stmt_node);
|
|
if (new_scope == nullptr)
|
|
return ErrorUnexpected;
|
|
if (sub_stmt_node != nullptr)
|
|
scope_block->node->data.block.statements.append(sub_stmt_node);
|
|
|
|
*out_scope = new_scope;
|
|
return ErrorNone;
|
|
}
|
|
|
|
static AstNode *trans_string_literal(Context *c, TransScope *scope, const StringLiteral *stmt) {
|
|
switch (stmt->getKind()) {
|
|
case StringLiteral::Ascii:
|
|
case StringLiteral::UTF8:
|
|
return trans_create_node_str_lit_c(c, string_ref_to_buf(stmt->getString()));
|
|
case StringLiteral::UTF16:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO support UTF16 string literals");
|
|
return nullptr;
|
|
case StringLiteral::UTF32:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO support UTF32 string literals");
|
|
return nullptr;
|
|
case StringLiteral::Wide:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO support wide string literals");
|
|
return nullptr;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
static AstNode *trans_break_stmt(Context *c, TransScope *scope, const BreakStmt *stmt) {
|
|
TransScope *cur_scope = scope;
|
|
while (cur_scope != nullptr) {
|
|
if (cur_scope->id == TransScopeIdWhile) {
|
|
return trans_create_node(c, NodeTypeBreak);
|
|
} else if (cur_scope->id == TransScopeIdSwitch) {
|
|
TransScopeSwitch *switch_scope = (TransScopeSwitch *)cur_scope;
|
|
return trans_create_node_break(c, switch_scope->end_label_name, nullptr);
|
|
}
|
|
cur_scope = cur_scope->parent;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
static AstNode *trans_continue_stmt(Context *c, TransScope *scope, const ContinueStmt *stmt) {
|
|
return trans_create_node(c, NodeTypeContinue);
|
|
}
|
|
|
|
static int wrap_stmt(AstNode **out_node, TransScope **out_scope, TransScope *in_scope, AstNode *result_node) {
|
|
if (result_node == nullptr)
|
|
return ErrorUnexpected;
|
|
*out_node = result_node;
|
|
if (out_scope != nullptr)
|
|
*out_scope = in_scope;
|
|
return ErrorNone;
|
|
}
|
|
|
|
static int trans_stmt_extra(Context *c, TransScope *scope, const Stmt *stmt,
|
|
ResultUsed result_used, TransLRValue lrvalue,
|
|
AstNode **out_node, TransScope **out_child_scope,
|
|
TransScope **out_node_scope)
|
|
{
|
|
Stmt::StmtClass sc = stmt->getStmtClass();
|
|
switch (sc) {
|
|
case Stmt::ReturnStmtClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_return_stmt(c, scope, (const ReturnStmt *)stmt));
|
|
case Stmt::CompoundStmtClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_compound_stmt(c, scope, (const CompoundStmt *)stmt, out_node_scope));
|
|
case Stmt::IntegerLiteralClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_integer_literal(c, (const IntegerLiteral *)stmt));
|
|
case Stmt::ConditionalOperatorClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_conditional_operator(c, result_used, scope, (const ConditionalOperator *)stmt));
|
|
case Stmt::BinaryOperatorClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_binary_operator(c, result_used, scope, (const BinaryOperator *)stmt));
|
|
case Stmt::CompoundAssignOperatorClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_compound_assign_operator(c, result_used, scope, (const CompoundAssignOperator *)stmt));
|
|
case Stmt::ImplicitCastExprClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_implicit_cast_expr(c, scope, (const ImplicitCastExpr *)stmt));
|
|
case Stmt::DeclRefExprClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_decl_ref_expr(c, scope, (const DeclRefExpr *)stmt, lrvalue));
|
|
case Stmt::UnaryOperatorClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_unary_operator(c, result_used, scope, (const UnaryOperator *)stmt));
|
|
case Stmt::DeclStmtClass:
|
|
return trans_local_declaration(c, scope, (const DeclStmt *)stmt, out_node, out_child_scope);
|
|
case Stmt::DoStmtClass:
|
|
case Stmt::WhileStmtClass: {
|
|
AstNode *while_node = sc == Stmt::DoStmtClass
|
|
? trans_do_loop(c, scope, (const DoStmt *)stmt)
|
|
: trans_while_loop(c, scope, (const WhileStmt *)stmt);
|
|
|
|
if (while_node == nullptr)
|
|
return ErrorUnexpected;
|
|
|
|
assert(while_node->type == NodeTypeWhileExpr);
|
|
if (while_node->data.while_expr.body == nullptr)
|
|
while_node->data.while_expr.body = trans_create_node(c, NodeTypeBlock);
|
|
|
|
return wrap_stmt(out_node, out_child_scope, scope, while_node);
|
|
}
|
|
case Stmt::IfStmtClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_if_statement(c, scope, (const IfStmt *)stmt));
|
|
case Stmt::CallExprClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_call_expr(c, result_used, scope, (const CallExpr *)stmt));
|
|
case Stmt::NullStmtClass:
|
|
*out_node = nullptr;
|
|
*out_child_scope = scope;
|
|
return ErrorNone;
|
|
case Stmt::MemberExprClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_member_expr(c, scope, (const MemberExpr *)stmt));
|
|
case Stmt::ArraySubscriptExprClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_array_subscript_expr(c, scope, (const ArraySubscriptExpr *)stmt));
|
|
case Stmt::CStyleCastExprClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_c_style_cast_expr(c, result_used, scope, (const CStyleCastExpr *)stmt, lrvalue));
|
|
case Stmt::UnaryExprOrTypeTraitExprClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_unary_expr_or_type_trait_expr(c, scope, (const UnaryExprOrTypeTraitExpr *)stmt));
|
|
case Stmt::ForStmtClass: {
|
|
AstNode *node = trans_for_loop(c, scope, (const ForStmt *)stmt);
|
|
return wrap_stmt(out_node, out_child_scope, scope, node);
|
|
}
|
|
case Stmt::StringLiteralClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_string_literal(c, scope, (const StringLiteral *)stmt));
|
|
case Stmt::BreakStmtClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_break_stmt(c, scope, (const BreakStmt *)stmt));
|
|
case Stmt::ContinueStmtClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_continue_stmt(c, scope, (const ContinueStmt *)stmt));
|
|
case Stmt::ParenExprClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_expr(c, result_used, scope, ((const ParenExpr*)stmt)->getSubExpr(), lrvalue));
|
|
case Stmt::SwitchStmtClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_switch_stmt(c, scope, (const SwitchStmt *)stmt));
|
|
case Stmt::CaseStmtClass:
|
|
return trans_switch_case(c, scope, (const CaseStmt *)stmt, out_node, out_child_scope);
|
|
case Stmt::DefaultStmtClass:
|
|
return trans_switch_default(c, scope, (const DefaultStmt *)stmt, out_node, out_child_scope);
|
|
case Stmt::ConstantExprClass:
|
|
return wrap_stmt(out_node, out_child_scope, scope,
|
|
trans_constant_expr(c, (const ConstantExpr *)stmt));
|
|
case Stmt::NoStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C NoStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::GCCAsmStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C GCCAsmStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::MSAsmStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C MSAsmStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::AttributedStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C AttributedStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXCatchStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXCatchStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXForRangeStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXForRangeStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXTryStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXTryStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CapturedStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CapturedStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CoreturnStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CoreturnStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CoroutineBodyStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CoroutineBodyStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::BinaryConditionalOperatorClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C BinaryConditionalOperatorClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::AddrLabelExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C AddrLabelExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ArrayInitIndexExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ArrayInitIndexExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ArrayInitLoopExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ArrayInitLoopExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ArrayTypeTraitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ArrayTypeTraitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::AsTypeExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C AsTypeExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::AtomicExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C AtomicExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::BlockExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C BlockExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXBindTemporaryExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXBindTemporaryExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXBoolLiteralExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXBoolLiteralExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXConstructExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXConstructExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXTemporaryObjectExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXTemporaryObjectExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXDefaultArgExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXDefaultArgExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXDefaultInitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXDefaultInitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXDeleteExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXDeleteExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXDependentScopeMemberExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXDependentScopeMemberExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXFoldExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXFoldExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXInheritedCtorInitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXInheritedCtorInitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXNewExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXNewExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXNoexceptExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXNoexceptExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXNullPtrLiteralExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXNullPtrLiteralExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXPseudoDestructorExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXPseudoDestructorExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXScalarValueInitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXScalarValueInitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXStdInitializerListExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXStdInitializerListExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXThisExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXThisExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXThrowExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXThrowExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXTypeidExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXTypeidExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXUnresolvedConstructExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXUnresolvedConstructExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXUuidofExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXUuidofExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CUDAKernelCallExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CUDAKernelCallExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXMemberCallExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXMemberCallExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXOperatorCallExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXOperatorCallExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::UserDefinedLiteralClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C UserDefinedLiteralClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXFunctionalCastExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXFunctionalCastExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXConstCastExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXConstCastExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXDynamicCastExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXDynamicCastExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXReinterpretCastExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXReinterpretCastExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CXXStaticCastExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CXXStaticCastExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCBridgedCastExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCBridgedCastExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CharacterLiteralClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CharacterLiteralClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ChooseExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ChooseExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CompoundLiteralExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CompoundLiteralExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ConvertVectorExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ConvertVectorExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CoawaitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CoawaitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::CoyieldExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C CoyieldExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::DependentCoawaitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C DependentCoawaitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::DependentScopeDeclRefExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C DependentScopeDeclRefExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::DesignatedInitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C DesignatedInitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::DesignatedInitUpdateExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C DesignatedInitUpdateExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ExprWithCleanupsClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ExprWithCleanupsClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ExpressionTraitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ExpressionTraitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ExtVectorElementExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ExtVectorElementExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::FloatingLiteralClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C FloatingLiteralClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::FunctionParmPackExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C FunctionParmPackExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::GNUNullExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C GNUNullExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::GenericSelectionExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C GenericSelectionExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ImaginaryLiteralClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ImaginaryLiteralClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ImplicitValueInitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ImplicitValueInitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::InitListExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C InitListExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::LambdaExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C LambdaExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::MSPropertyRefExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C MSPropertyRefExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::MSPropertySubscriptExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C MSPropertySubscriptExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::MaterializeTemporaryExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C MaterializeTemporaryExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::NoInitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C NoInitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPArraySectionExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPArraySectionExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCArrayLiteralClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCArrayLiteralClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCAvailabilityCheckExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCAvailabilityCheckExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCBoolLiteralExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCBoolLiteralExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCBoxedExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCBoxedExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCDictionaryLiteralClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCDictionaryLiteralClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCEncodeExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCEncodeExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCIndirectCopyRestoreExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCIndirectCopyRestoreExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCIsaExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCIsaExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCIvarRefExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCIvarRefExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCMessageExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCMessageExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCPropertyRefExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCPropertyRefExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCProtocolExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCProtocolExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCSelectorExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCSelectorExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCStringLiteralClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCStringLiteralClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCSubscriptRefExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCSubscriptRefExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OffsetOfExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OffsetOfExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OpaqueValueExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OpaqueValueExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::UnresolvedLookupExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C UnresolvedLookupExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::UnresolvedMemberExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C UnresolvedMemberExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::PackExpansionExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C PackExpansionExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ParenListExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ParenListExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::PredefinedExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C PredefinedExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::PseudoObjectExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C PseudoObjectExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ShuffleVectorExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ShuffleVectorExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::SizeOfPackExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C SizeOfPackExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::StmtExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C StmtExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::SubstNonTypeTemplateParmExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C SubstNonTypeTemplateParmExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::SubstNonTypeTemplateParmPackExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C SubstNonTypeTemplateParmPackExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::TypeTraitExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C TypeTraitExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::TypoExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C TypoExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::VAArgExprClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C VAArgExprClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::GotoStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C GotoStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::IndirectGotoStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C IndirectGotoStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::LabelStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C LabelStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::MSDependentExistsStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C MSDependentExistsStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPAtomicDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPAtomicDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPBarrierDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPBarrierDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPCancelDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPCancelDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPCancellationPointDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPCancellationPointDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPCriticalDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPCriticalDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPFlushDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPFlushDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPDistributeDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPDistributeDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPDistributeParallelForDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPDistributeParallelForDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPDistributeParallelForSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPDistributeParallelForSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPDistributeSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPDistributeSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPForDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPForDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPForSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPForSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPParallelForDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPParallelForDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPParallelForSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPParallelForSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetParallelForSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetParallelForSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetTeamsDistributeDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetTeamsDistributeDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetTeamsDistributeParallelForDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetTeamsDistributeParallelForDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetTeamsDistributeParallelForSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetTeamsDistributeParallelForSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetTeamsDistributeSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetTeamsDistributeSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTaskLoopDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTaskLoopDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTaskLoopSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTaskLoopSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTeamsDistributeDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTeamsDistributeDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTeamsDistributeParallelForDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTeamsDistributeParallelForDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTeamsDistributeParallelForSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTeamsDistributeParallelForSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTeamsDistributeSimdDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTeamsDistributeSimdDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPMasterDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPMasterDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPOrderedDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPOrderedDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPParallelDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPParallelDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPParallelSectionsDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPParallelSectionsDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPSectionDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPSectionDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPSectionsDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPSectionsDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPSingleDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPSingleDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetDataDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetDataDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetEnterDataDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetEnterDataDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetExitDataDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetExitDataDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetParallelDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetParallelDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetParallelForDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetParallelForDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetTeamsDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetTeamsDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTargetUpdateDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTargetUpdateDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTaskDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTaskDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTaskgroupDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTaskgroupDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTaskwaitDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTaskwaitDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTaskyieldDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTaskyieldDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::OMPTeamsDirectiveClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C OMPTeamsDirectiveClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCAtCatchStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCAtCatchStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCAtFinallyStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCAtFinallyStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCAtSynchronizedStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCAtSynchronizedStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCAtThrowStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCAtThrowStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCAtTryStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCAtTryStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCAutoreleasePoolStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCAutoreleasePoolStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::ObjCForCollectionStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ObjCForCollectionStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::SEHExceptStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C SEHExceptStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::SEHFinallyStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C SEHFinallyStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::SEHLeaveStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C SEHLeaveStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::SEHTryStmtClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C SEHTryStmtClass");
|
|
return ErrorUnexpected;
|
|
case Stmt::FixedPointLiteralClass:
|
|
emit_warning(c, stmt->getBeginLoc(), "TODO handle C FixedPointLiteralClass");
|
|
return ErrorUnexpected;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
// Returns null if there was an error
|
|
static AstNode *trans_expr(Context *c, ResultUsed result_used, TransScope *scope, const Expr *expr,
|
|
TransLRValue lrval)
|
|
{
|
|
AstNode *result_node;
|
|
TransScope *result_scope;
|
|
if (trans_stmt_extra(c, scope, expr, result_used, lrval, &result_node, &result_scope, nullptr)) {
|
|
return nullptr;
|
|
}
|
|
return result_node;
|
|
}
|
|
|
|
// Statements have no result and no concept of L or R value.
|
|
// Returns child scope, or null if there was an error
|
|
static TransScope *trans_stmt(Context *c, TransScope *scope, const Stmt *stmt, AstNode **out_node) {
|
|
TransScope *child_scope;
|
|
if (trans_stmt_extra(c, scope, stmt, ResultUsedNo, TransRValue, out_node, &child_scope, nullptr)) {
|
|
return nullptr;
|
|
}
|
|
return child_scope;
|
|
}
|
|
|
|
static void visit_fn_decl(Context *c, const FunctionDecl *fn_decl) {
|
|
Buf *fn_name = buf_create_from_str(decl_name(fn_decl));
|
|
|
|
if (get_global(c, fn_name)) {
|
|
// we already saw this function
|
|
return;
|
|
}
|
|
|
|
AstNode *proto_node = trans_qual_type(c, fn_decl->getType(), fn_decl->getLocation());
|
|
if (proto_node == nullptr) {
|
|
emit_warning(c, fn_decl->getLocation(), "unable to resolve prototype of function '%s'", buf_ptr(fn_name));
|
|
return;
|
|
}
|
|
|
|
proto_node->data.fn_proto.name = fn_name;
|
|
proto_node->data.fn_proto.is_extern = !fn_decl->hasBody();
|
|
|
|
StorageClass sc = fn_decl->getStorageClass();
|
|
if (sc == SC_None) {
|
|
proto_node->data.fn_proto.visib_mod = c->visib_mod;
|
|
proto_node->data.fn_proto.is_export = fn_decl->hasBody() ? c->want_export : false;
|
|
} else if (sc == SC_Extern || sc == SC_Static) {
|
|
proto_node->data.fn_proto.visib_mod = c->visib_mod;
|
|
} else if (sc == SC_PrivateExtern) {
|
|
emit_warning(c, fn_decl->getLocation(), "unsupported storage class: private extern");
|
|
return;
|
|
} else {
|
|
emit_warning(c, fn_decl->getLocation(), "unsupported storage class: unknown");
|
|
return;
|
|
}
|
|
|
|
TransScope *scope = &c->global_scope->base;
|
|
|
|
for (size_t i = 0; i < proto_node->data.fn_proto.params.length; i += 1) {
|
|
AstNode *param_node = proto_node->data.fn_proto.params.at(i);
|
|
const ParmVarDecl *param = fn_decl->getParamDecl(i);
|
|
const char *name = decl_name(param);
|
|
|
|
Buf *proto_param_name;
|
|
if (strlen(name) != 0) {
|
|
proto_param_name = buf_create_from_str(name);
|
|
} else {
|
|
proto_param_name = param_node->data.param_decl.name;
|
|
if (proto_param_name == nullptr) {
|
|
proto_param_name = buf_sprintf("arg%" ZIG_PRI_usize "", i);
|
|
}
|
|
}
|
|
|
|
TransScopeVar *scope_var = trans_scope_var_create(c, scope, proto_param_name);
|
|
scope = &scope_var->base;
|
|
|
|
param_node->data.param_decl.name = scope_var->zig_name;
|
|
}
|
|
|
|
if (!fn_decl->hasBody()) {
|
|
// just a prototype
|
|
add_top_level_decl(c, proto_node->data.fn_proto.name, proto_node);
|
|
return;
|
|
}
|
|
|
|
// actual function definition with body
|
|
c->ptr_params.clear();
|
|
Stmt *body = fn_decl->getBody();
|
|
AstNode *actual_body_node;
|
|
TransScope *result_scope = trans_stmt(c, scope, body, &actual_body_node);
|
|
if (result_scope == nullptr) {
|
|
emit_warning(c, fn_decl->getLocation(), "unable to translate function");
|
|
return;
|
|
}
|
|
assert(actual_body_node != nullptr);
|
|
assert(actual_body_node->type == NodeTypeBlock);
|
|
|
|
// it worked
|
|
|
|
AstNode *body_node_with_param_inits = trans_create_node(c, NodeTypeBlock);
|
|
|
|
for (size_t i = 0; i < proto_node->data.fn_proto.params.length; i += 1) {
|
|
AstNode *param_node = proto_node->data.fn_proto.params.at(i);
|
|
Buf *good_name = param_node->data.param_decl.name;
|
|
|
|
if (c->ptr_params.maybe_get(good_name) != nullptr) {
|
|
// TODO: avoid name collisions
|
|
Buf *mangled_name = buf_sprintf("_arg_%s", buf_ptr(good_name));
|
|
param_node->data.param_decl.name = mangled_name;
|
|
|
|
// var c_name = _mangled_name;
|
|
AstNode *parameter_init = trans_create_node_var_decl_local(c, false, good_name, nullptr, trans_create_node_symbol(c, mangled_name));
|
|
|
|
body_node_with_param_inits->data.block.statements.append(parameter_init);
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < actual_body_node->data.block.statements.length; i += 1) {
|
|
body_node_with_param_inits->data.block.statements.append(actual_body_node->data.block.statements.at(i));
|
|
}
|
|
|
|
AstNode *fn_def_node = trans_create_node(c, NodeTypeFnDef);
|
|
fn_def_node->data.fn_def.fn_proto = proto_node;
|
|
fn_def_node->data.fn_def.body = body_node_with_param_inits;
|
|
|
|
proto_node->data.fn_proto.fn_def_node = fn_def_node;
|
|
add_top_level_decl(c, fn_def_node->data.fn_def.fn_proto->data.fn_proto.name, fn_def_node);
|
|
}
|
|
|
|
static AstNode *resolve_typdef_as_builtin(Context *c, const TypedefNameDecl *typedef_decl, const char *primitive_name) {
|
|
AstNode *node = trans_create_node_symbol_str(c, primitive_name);
|
|
c->decl_table.put(typedef_decl, node);
|
|
return node;
|
|
}
|
|
|
|
static AstNode *resolve_typedef_decl(Context *c, const TypedefNameDecl *typedef_decl) {
|
|
auto existing_entry = c->decl_table.maybe_get((void*)typedef_decl->getCanonicalDecl());
|
|
if (existing_entry) {
|
|
return existing_entry->value;
|
|
}
|
|
|
|
QualType child_qt = typedef_decl->getUnderlyingType();
|
|
Buf *type_name = buf_create_from_str(decl_name(typedef_decl));
|
|
|
|
if (buf_eql_str(type_name, "uint8_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "u8");
|
|
} else if (buf_eql_str(type_name, "int8_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "i8");
|
|
} else if (buf_eql_str(type_name, "uint16_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "u16");
|
|
} else if (buf_eql_str(type_name, "int16_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "i16");
|
|
} else if (buf_eql_str(type_name, "uint32_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "u32");
|
|
} else if (buf_eql_str(type_name, "int32_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "i32");
|
|
} else if (buf_eql_str(type_name, "uint64_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "u64");
|
|
} else if (buf_eql_str(type_name, "int64_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "i64");
|
|
} else if (buf_eql_str(type_name, "intptr_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "isize");
|
|
} else if (buf_eql_str(type_name, "uintptr_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "usize");
|
|
} else if (buf_eql_str(type_name, "ssize_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "isize");
|
|
} else if (buf_eql_str(type_name, "size_t")) {
|
|
return resolve_typdef_as_builtin(c, typedef_decl, "usize");
|
|
}
|
|
|
|
// if the underlying type is anonymous, we can special case it to just
|
|
// use the name of this typedef
|
|
// TODO
|
|
|
|
// trans_qual_type here might cause us to look at this typedef again so we put the item in the map first
|
|
AstNode *symbol_node = trans_create_node_symbol(c, type_name);
|
|
c->decl_table.put(typedef_decl->getCanonicalDecl(), symbol_node);
|
|
|
|
AstNode *type_node = trans_qual_type(c, child_qt, typedef_decl->getLocation());
|
|
if (type_node == nullptr) {
|
|
emit_warning(c, typedef_decl->getLocation(), "typedef %s - unresolved child type", buf_ptr(type_name));
|
|
c->decl_table.put(typedef_decl, nullptr);
|
|
// TODO add global var with type_name equal to @compileError("unable to resolve C type")
|
|
return nullptr;
|
|
}
|
|
add_global_var(c, type_name, type_node);
|
|
|
|
return symbol_node;
|
|
}
|
|
|
|
struct AstNode *demote_enum_to_opaque(Context *c, const EnumDecl *enum_decl,
|
|
Buf *full_type_name, Buf *bare_name)
|
|
{
|
|
AstNode *opaque_node = trans_create_node_opaque(c);
|
|
if (full_type_name == nullptr) {
|
|
c->decl_table.put(enum_decl->getCanonicalDecl(), opaque_node);
|
|
return opaque_node;
|
|
}
|
|
AstNode *symbol_node = trans_create_node_symbol(c, full_type_name);
|
|
add_global_weak_alias(c, bare_name, full_type_name);
|
|
add_global_var(c, full_type_name, opaque_node);
|
|
c->decl_table.put(enum_decl->getCanonicalDecl(), symbol_node);
|
|
return symbol_node;
|
|
}
|
|
|
|
static AstNode *resolve_enum_decl(Context *c, const EnumDecl *enum_decl) {
|
|
auto existing_entry = c->decl_table.maybe_get((void*)enum_decl->getCanonicalDecl());
|
|
if (existing_entry) {
|
|
return existing_entry->value;
|
|
}
|
|
|
|
const char *raw_name = decl_name(enum_decl);
|
|
bool is_anonymous = (raw_name[0] == 0);
|
|
Buf *bare_name = is_anonymous ? nullptr : buf_create_from_str(raw_name);
|
|
Buf *full_type_name = is_anonymous ? nullptr : buf_sprintf("enum_%s", buf_ptr(bare_name));
|
|
|
|
const EnumDecl *enum_def = enum_decl->getDefinition();
|
|
if (!enum_def) {
|
|
return demote_enum_to_opaque(c, enum_decl, full_type_name, bare_name);
|
|
}
|
|
|
|
|
|
bool pure_enum = true;
|
|
uint32_t field_count = 0;
|
|
for (auto it = enum_def->enumerator_begin(),
|
|
it_end = enum_def->enumerator_end();
|
|
it != it_end; ++it, field_count += 1)
|
|
{
|
|
const EnumConstantDecl *enum_const = *it;
|
|
if (enum_const->getInitExpr()) {
|
|
pure_enum = false;
|
|
}
|
|
}
|
|
AstNode *tag_int_type = trans_qual_type(c, enum_decl->getIntegerType(), enum_decl->getLocation());
|
|
assert(tag_int_type);
|
|
|
|
AstNode *enum_node = trans_create_node(c, NodeTypeContainerDecl);
|
|
enum_node->data.container_decl.kind = ContainerKindEnum;
|
|
enum_node->data.container_decl.layout = ContainerLayoutExtern;
|
|
// TODO only emit this tag type if the enum tag type is not the default.
|
|
// I don't know what the default is, need to figure out how clang is deciding.
|
|
// it appears to at least be different across gcc/msvc
|
|
if (!c_is_builtin_type(c, enum_decl->getIntegerType(), BuiltinType::UInt) &&
|
|
!c_is_builtin_type(c, enum_decl->getIntegerType(), BuiltinType::Int))
|
|
{
|
|
enum_node->data.container_decl.init_arg_expr = tag_int_type;
|
|
}
|
|
enum_node->data.container_decl.fields.resize(field_count);
|
|
uint32_t i = 0;
|
|
for (auto it = enum_def->enumerator_begin(),
|
|
it_end = enum_def->enumerator_end();
|
|
it != it_end; ++it, i += 1)
|
|
{
|
|
const EnumConstantDecl *enum_const = *it;
|
|
|
|
Buf *enum_val_name = buf_create_from_str(decl_name(enum_const));
|
|
Buf *field_name;
|
|
if (bare_name != nullptr && buf_starts_with_buf(enum_val_name, bare_name)) {
|
|
field_name = buf_slice(enum_val_name, buf_len(bare_name), buf_len(enum_val_name));
|
|
} else {
|
|
field_name = enum_val_name;
|
|
}
|
|
|
|
AstNode *int_node = pure_enum && !is_anonymous ? nullptr : trans_create_node_apint(c, enum_const->getInitVal());
|
|
AstNode *field_node = trans_create_node(c, NodeTypeStructField);
|
|
field_node->data.struct_field.name = field_name;
|
|
field_node->data.struct_field.type = nullptr;
|
|
field_node->data.struct_field.value = int_node;
|
|
enum_node->data.container_decl.fields.items[i] = field_node;
|
|
|
|
// in C each enum value is in the global namespace. so we put them there too.
|
|
// at this point we can rely on the enum emitting successfully
|
|
if (is_anonymous) {
|
|
Buf *enum_val_name = buf_create_from_str(decl_name(enum_const));
|
|
add_global_var(c, enum_val_name, int_node);
|
|
} else {
|
|
AstNode *field_access_node = trans_create_node_field_access(c,
|
|
trans_create_node_symbol(c, full_type_name), field_name);
|
|
add_global_var(c, enum_val_name, field_access_node);
|
|
}
|
|
}
|
|
|
|
if (is_anonymous) {
|
|
c->decl_table.put(enum_decl->getCanonicalDecl(), enum_node);
|
|
return enum_node;
|
|
} else {
|
|
AstNode *symbol_node = trans_create_node_symbol(c, full_type_name);
|
|
add_global_weak_alias(c, bare_name, full_type_name);
|
|
add_global_var(c, full_type_name, enum_node);
|
|
c->decl_table.put(enum_decl->getCanonicalDecl(), symbol_node);
|
|
return enum_node;
|
|
}
|
|
}
|
|
|
|
static AstNode *demote_struct_to_opaque(Context *c, const RecordDecl *record_decl,
|
|
Buf *full_type_name, Buf *bare_name)
|
|
{
|
|
AstNode *opaque_node = trans_create_node_opaque(c);
|
|
if (full_type_name == nullptr) {
|
|
c->decl_table.put(record_decl->getCanonicalDecl(), opaque_node);
|
|
return opaque_node;
|
|
}
|
|
AstNode *symbol_node = trans_create_node_symbol(c, full_type_name);
|
|
add_global_weak_alias(c, bare_name, full_type_name);
|
|
add_global_var(c, full_type_name, opaque_node);
|
|
c->decl_table.put(record_decl->getCanonicalDecl(), symbol_node);
|
|
return symbol_node;
|
|
}
|
|
|
|
static AstNode *resolve_record_decl(Context *c, const RecordDecl *record_decl) {
|
|
auto existing_entry = c->decl_table.maybe_get((void*)record_decl->getCanonicalDecl());
|
|
if (existing_entry) {
|
|
return existing_entry->value;
|
|
}
|
|
|
|
const char *raw_name = decl_name(record_decl);
|
|
const char *container_kind_name;
|
|
ContainerKind container_kind;
|
|
if (record_decl->isUnion()) {
|
|
container_kind_name = "union";
|
|
container_kind = ContainerKindUnion;
|
|
} else if (record_decl->isStruct()) {
|
|
container_kind_name = "struct";
|
|
container_kind = ContainerKindStruct;
|
|
} else {
|
|
emit_warning(c, record_decl->getLocation(), "skipping record %s, not a struct or union", raw_name);
|
|
c->decl_table.put(record_decl->getCanonicalDecl(), nullptr);
|
|
return nullptr;
|
|
}
|
|
|
|
bool is_anonymous = record_decl->isAnonymousStructOrUnion() || raw_name[0] == 0;
|
|
Buf *bare_name = is_anonymous ? nullptr : buf_create_from_str(raw_name);
|
|
Buf *full_type_name = (bare_name == nullptr) ?
|
|
nullptr : buf_sprintf("%s_%s", container_kind_name, buf_ptr(bare_name));
|
|
|
|
RecordDecl *record_def = record_decl->getDefinition();
|
|
if (record_def == nullptr) {
|
|
return demote_struct_to_opaque(c, record_decl, full_type_name, bare_name);
|
|
}
|
|
|
|
// count fields and validate
|
|
uint32_t field_count = 0;
|
|
for (auto it = record_def->field_begin(),
|
|
it_end = record_def->field_end();
|
|
it != it_end; ++it, field_count += 1)
|
|
{
|
|
const FieldDecl *field_decl = *it;
|
|
|
|
if (field_decl->isBitField()) {
|
|
emit_warning(c, field_decl->getLocation(), "%s %s demoted to opaque type - has bitfield",
|
|
container_kind_name,
|
|
is_anonymous ? "(anon)" : buf_ptr(bare_name));
|
|
return demote_struct_to_opaque(c, record_decl, full_type_name, bare_name);
|
|
}
|
|
}
|
|
|
|
AstNode *struct_node = trans_create_node(c, NodeTypeContainerDecl);
|
|
struct_node->data.container_decl.kind = container_kind;
|
|
struct_node->data.container_decl.layout = ContainerLayoutExtern;
|
|
|
|
// TODO handle attribute packed
|
|
|
|
struct_node->data.container_decl.fields.resize(field_count);
|
|
|
|
// must be before fields in case a circular reference happens
|
|
if (is_anonymous) {
|
|
c->decl_table.put(record_decl->getCanonicalDecl(), struct_node);
|
|
} else {
|
|
c->decl_table.put(record_decl->getCanonicalDecl(), trans_create_node_symbol(c, full_type_name));
|
|
}
|
|
|
|
uint32_t i = 0;
|
|
for (auto it = record_def->field_begin(),
|
|
it_end = record_def->field_end();
|
|
it != it_end; ++it, i += 1)
|
|
{
|
|
const FieldDecl *field_decl = *it;
|
|
|
|
AstNode *field_node = trans_create_node(c, NodeTypeStructField);
|
|
field_node->data.struct_field.name = buf_create_from_str(decl_name(field_decl));
|
|
field_node->data.struct_field.type = trans_qual_type(c, field_decl->getType(), field_decl->getLocation());
|
|
|
|
if (field_node->data.struct_field.type == nullptr) {
|
|
emit_warning(c, field_decl->getLocation(),
|
|
"%s %s demoted to opaque type - unresolved type",
|
|
container_kind_name,
|
|
is_anonymous ? "(anon)" : buf_ptr(bare_name));
|
|
|
|
return demote_struct_to_opaque(c, record_decl, full_type_name, bare_name);
|
|
}
|
|
|
|
struct_node->data.container_decl.fields.items[i] = field_node;
|
|
}
|
|
|
|
if (is_anonymous) {
|
|
return struct_node;
|
|
} else {
|
|
add_global_weak_alias(c, bare_name, full_type_name);
|
|
add_global_var(c, full_type_name, struct_node);
|
|
return trans_create_node_symbol(c, full_type_name);
|
|
}
|
|
}
|
|
|
|
static AstNode *trans_ap_value(Context *c, APValue *ap_value, QualType qt, const SourceLocation &source_loc) {
|
|
switch (ap_value->getKind()) {
|
|
case APValue::Int:
|
|
return trans_create_node_apint(c, ap_value->getInt());
|
|
case APValue::Uninitialized:
|
|
return trans_create_node(c, NodeTypeUndefinedLiteral);
|
|
case APValue::Array: {
|
|
emit_warning(c, source_loc, "TODO add a test case for this code");
|
|
|
|
unsigned init_count = ap_value->getArrayInitializedElts();
|
|
unsigned all_count = ap_value->getArraySize();
|
|
unsigned leftover_count = all_count - init_count;
|
|
AstNode *init_node = trans_create_node(c, NodeTypeContainerInitExpr);
|
|
AstNode *arr_type_node = trans_qual_type(c, qt, source_loc);
|
|
init_node->data.container_init_expr.type = arr_type_node;
|
|
init_node->data.container_init_expr.kind = ContainerInitKindArray;
|
|
|
|
QualType child_qt = qt.getTypePtr()->getLocallyUnqualifiedSingleStepDesugaredType();
|
|
|
|
for (size_t i = 0; i < init_count; i += 1) {
|
|
APValue &elem_ap_val = ap_value->getArrayInitializedElt(i);
|
|
AstNode *elem_node = trans_ap_value(c, &elem_ap_val, child_qt, source_loc);
|
|
if (elem_node == nullptr)
|
|
return nullptr;
|
|
init_node->data.container_init_expr.entries.append(elem_node);
|
|
}
|
|
if (leftover_count == 0) {
|
|
return init_node;
|
|
}
|
|
|
|
APValue &filler_ap_val = ap_value->getArrayFiller();
|
|
AstNode *filler_node = trans_ap_value(c, &filler_ap_val, child_qt, source_loc);
|
|
if (filler_node == nullptr)
|
|
return nullptr;
|
|
|
|
AstNode *filler_arr_1 = trans_create_node(c, NodeTypeContainerInitExpr);
|
|
init_node->data.container_init_expr.type = arr_type_node;
|
|
init_node->data.container_init_expr.kind = ContainerInitKindArray;
|
|
init_node->data.container_init_expr.entries.append(filler_node);
|
|
|
|
AstNode *rhs_node;
|
|
if (leftover_count == 1) {
|
|
rhs_node = filler_arr_1;
|
|
} else {
|
|
AstNode *amt_node = trans_create_node_unsigned(c, leftover_count);
|
|
rhs_node = trans_create_node_bin_op(c, filler_arr_1, BinOpTypeArrayMult, amt_node);
|
|
}
|
|
|
|
return trans_create_node_bin_op(c, init_node, BinOpTypeArrayCat, rhs_node);
|
|
}
|
|
case APValue::LValue: {
|
|
const APValue::LValueBase lval_base = ap_value->getLValueBase();
|
|
if (const Expr *expr = lval_base.dyn_cast<const Expr *>()) {
|
|
return trans_expr(c, ResultUsedYes, &c->global_scope->base, expr, TransRValue);
|
|
}
|
|
//const ValueDecl *value_decl = lval_base.get<const ValueDecl *>();
|
|
emit_warning(c, source_loc, "TODO handle initializer LValue ValueDecl");
|
|
return nullptr;
|
|
}
|
|
case APValue::Float:
|
|
emit_warning(c, source_loc, "unsupported initializer value kind: Float");
|
|
return nullptr;
|
|
case APValue::ComplexInt:
|
|
emit_warning(c, source_loc, "unsupported initializer value kind: ComplexInt");
|
|
return nullptr;
|
|
case APValue::ComplexFloat:
|
|
emit_warning(c, source_loc, "unsupported initializer value kind: ComplexFloat");
|
|
return nullptr;
|
|
case APValue::Vector:
|
|
emit_warning(c, source_loc, "unsupported initializer value kind: Vector");
|
|
return nullptr;
|
|
case APValue::Struct:
|
|
emit_warning(c, source_loc, "unsupported initializer value kind: Struct");
|
|
return nullptr;
|
|
case APValue::Union:
|
|
emit_warning(c, source_loc, "unsupported initializer value kind: Union");
|
|
return nullptr;
|
|
case APValue::MemberPointer:
|
|
emit_warning(c, source_loc, "unsupported initializer value kind: MemberPointer");
|
|
return nullptr;
|
|
case APValue::AddrLabelDiff:
|
|
emit_warning(c, source_loc, "unsupported initializer value kind: AddrLabelDiff");
|
|
return nullptr;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
static void visit_var_decl(Context *c, const VarDecl *var_decl) {
|
|
Buf *name = buf_create_from_str(decl_name(var_decl));
|
|
|
|
switch (var_decl->getTLSKind()) {
|
|
case VarDecl::TLS_None:
|
|
break;
|
|
case VarDecl::TLS_Static:
|
|
emit_warning(c, var_decl->getLocation(),
|
|
"ignoring variable '%s' - static thread local storage", buf_ptr(name));
|
|
return;
|
|
case VarDecl::TLS_Dynamic:
|
|
emit_warning(c, var_decl->getLocation(),
|
|
"ignoring variable '%s' - dynamic thread local storage", buf_ptr(name));
|
|
return;
|
|
}
|
|
|
|
QualType qt = var_decl->getType();
|
|
AstNode *var_type = trans_qual_type(c, qt, var_decl->getLocation());
|
|
if (var_type == nullptr) {
|
|
emit_warning(c, var_decl->getLocation(), "ignoring variable '%s' - unresolved type", buf_ptr(name));
|
|
return;
|
|
}
|
|
|
|
bool is_extern = var_decl->hasExternalStorage();
|
|
bool is_static = var_decl->isFileVarDecl();
|
|
bool is_const = qt.isConstQualified();
|
|
|
|
if (is_static && !is_extern) {
|
|
AstNode *init_node;
|
|
if (var_decl->hasInit()) {
|
|
APValue *ap_value = var_decl->evaluateValue();
|
|
if (ap_value == nullptr) {
|
|
emit_warning(c, var_decl->getLocation(),
|
|
"ignoring variable '%s' - unable to evaluate initializer", buf_ptr(name));
|
|
return;
|
|
}
|
|
init_node = trans_ap_value(c, ap_value, qt, var_decl->getLocation());
|
|
if (init_node == nullptr)
|
|
return;
|
|
} else {
|
|
init_node = trans_create_node(c, NodeTypeUndefinedLiteral);
|
|
}
|
|
|
|
AstNode *var_node = trans_create_node_var_decl_global(c, is_const, name, var_type, init_node);
|
|
add_top_level_decl(c, name, var_node);
|
|
return;
|
|
}
|
|
|
|
if (is_extern) {
|
|
AstNode *var_node = trans_create_node_var_decl_global(c, is_const, name, var_type, nullptr);
|
|
var_node->data.variable_declaration.is_extern = true;
|
|
add_top_level_decl(c, name, var_node);
|
|
return;
|
|
}
|
|
|
|
emit_warning(c, var_decl->getLocation(),
|
|
"ignoring variable '%s' - non-extern, non-static variable", buf_ptr(name));
|
|
return;
|
|
}
|
|
|
|
static bool decl_visitor(void *context, const Decl *decl) {
|
|
Context *c = (Context*)context;
|
|
|
|
switch (decl->getKind()) {
|
|
case Decl::Function:
|
|
visit_fn_decl(c, static_cast<const FunctionDecl*>(decl));
|
|
break;
|
|
case Decl::Typedef:
|
|
resolve_typedef_decl(c, static_cast<const TypedefNameDecl *>(decl));
|
|
break;
|
|
case Decl::Enum:
|
|
resolve_enum_decl(c, static_cast<const EnumDecl *>(decl));
|
|
break;
|
|
case Decl::Record:
|
|
resolve_record_decl(c, static_cast<const RecordDecl *>(decl));
|
|
break;
|
|
case Decl::Var:
|
|
visit_var_decl(c, static_cast<const VarDecl *>(decl));
|
|
break;
|
|
default:
|
|
emit_warning(c, decl->getLocation(), "ignoring %s decl", decl->getDeclKindName());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool name_exists_global(Context *c, Buf *name) {
|
|
return get_global(c, name) != nullptr;
|
|
}
|
|
|
|
static bool name_exists_scope(Context *c, Buf *name, TransScope *scope) {
|
|
while (scope != nullptr) {
|
|
if (scope->id == TransScopeIdVar) {
|
|
TransScopeVar *var_scope = (TransScopeVar *)scope;
|
|
if (buf_eql_buf(name, var_scope->zig_name)) {
|
|
return true;
|
|
}
|
|
}
|
|
scope = scope->parent;
|
|
}
|
|
return name_exists_global(c, name);
|
|
}
|
|
|
|
static Buf *get_unique_name(Context *c, Buf *name, TransScope *scope) {
|
|
Buf *proposed_name = name;
|
|
int count = 0;
|
|
while (name_exists_scope(c, proposed_name, scope)) {
|
|
if (proposed_name == name) {
|
|
proposed_name = buf_alloc();
|
|
}
|
|
buf_resize(proposed_name, 0);
|
|
buf_appendf(proposed_name, "%s_%d", buf_ptr(name), count);
|
|
count += 1;
|
|
}
|
|
return proposed_name;
|
|
}
|
|
|
|
static TransScopeRoot *trans_scope_root_create(Context *c) {
|
|
TransScopeRoot *result = allocate<TransScopeRoot>(1);
|
|
result->base.id = TransScopeIdRoot;
|
|
return result;
|
|
}
|
|
|
|
static TransScopeWhile *trans_scope_while_create(Context *c, TransScope *parent_scope) {
|
|
TransScopeWhile *result = allocate<TransScopeWhile>(1);
|
|
result->base.id = TransScopeIdWhile;
|
|
result->base.parent = parent_scope;
|
|
result->node = trans_create_node(c, NodeTypeWhileExpr);
|
|
return result;
|
|
}
|
|
|
|
static TransScopeBlock *trans_scope_block_create(Context *c, TransScope *parent_scope) {
|
|
TransScopeBlock *result = allocate<TransScopeBlock>(1);
|
|
result->base.id = TransScopeIdBlock;
|
|
result->base.parent = parent_scope;
|
|
result->node = trans_create_node(c, NodeTypeBlock);
|
|
return result;
|
|
}
|
|
|
|
static TransScopeVar *trans_scope_var_create(Context *c, TransScope *parent_scope, Buf *wanted_name) {
|
|
TransScopeVar *result = allocate<TransScopeVar>(1);
|
|
result->base.id = TransScopeIdVar;
|
|
result->base.parent = parent_scope;
|
|
result->c_name = wanted_name;
|
|
result->zig_name = get_unique_name(c, wanted_name, parent_scope);
|
|
return result;
|
|
}
|
|
|
|
static TransScopeSwitch *trans_scope_switch_create(Context *c, TransScope *parent_scope) {
|
|
TransScopeSwitch *result = allocate<TransScopeSwitch>(1);
|
|
result->base.id = TransScopeIdSwitch;
|
|
result->base.parent = parent_scope;
|
|
result->switch_node = trans_create_node(c, NodeTypeSwitchExpr);
|
|
return result;
|
|
}
|
|
|
|
static TransScopeBlock *trans_scope_block_find(TransScope *scope) {
|
|
while (scope != nullptr) {
|
|
if (scope->id == TransScopeIdBlock) {
|
|
return (TransScopeBlock *)scope;
|
|
}
|
|
scope = scope->parent;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
static void render_aliases(Context *c) {
|
|
for (size_t i = 0; i < c->aliases.length; i += 1) {
|
|
Alias *alias = &c->aliases.at(i);
|
|
if (name_exists_global(c, alias->new_name))
|
|
continue;
|
|
|
|
add_global_var(c, alias->new_name, trans_create_node_symbol(c, alias->canon_name));
|
|
}
|
|
}
|
|
|
|
static AstNode *trans_lookup_ast_container_typeof(Context *c, AstNode *ref_node);
|
|
|
|
static AstNode *trans_lookup_ast_container(Context *c, AstNode *type_node) {
|
|
if (type_node == nullptr) {
|
|
return nullptr;
|
|
} else if (type_node->type == NodeTypeContainerDecl) {
|
|
return type_node;
|
|
} else if (type_node->type == NodeTypePrefixOpExpr) {
|
|
return type_node;
|
|
} else if (type_node->type == NodeTypeSymbol) {
|
|
AstNode *existing_node = get_global(c, type_node->data.symbol_expr.symbol);
|
|
if (existing_node == nullptr)
|
|
return nullptr;
|
|
if (existing_node->type != NodeTypeVariableDeclaration)
|
|
return nullptr;
|
|
return trans_lookup_ast_container(c, existing_node->data.variable_declaration.expr);
|
|
} else if (type_node->type == NodeTypeFieldAccessExpr) {
|
|
AstNode *container_node = trans_lookup_ast_container_typeof(c, type_node->data.field_access_expr.struct_expr);
|
|
if (container_node == nullptr)
|
|
return nullptr;
|
|
if (container_node->type != NodeTypeContainerDecl)
|
|
return container_node;
|
|
|
|
for (size_t i = 0; i < container_node->data.container_decl.fields.length; i += 1) {
|
|
AstNode *field_node = container_node->data.container_decl.fields.items[i];
|
|
if (buf_eql_buf(field_node->data.struct_field.name, type_node->data.field_access_expr.field_name)) {
|
|
return trans_lookup_ast_container(c, field_node->data.struct_field.type);
|
|
}
|
|
}
|
|
return nullptr;
|
|
} else {
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
static AstNode *trans_lookup_ast_container_typeof(Context *c, AstNode *ref_node) {
|
|
if (ref_node->type == NodeTypeSymbol) {
|
|
AstNode *existing_node = get_global(c, ref_node->data.symbol_expr.symbol);
|
|
if (existing_node == nullptr)
|
|
return nullptr;
|
|
if (existing_node->type != NodeTypeVariableDeclaration)
|
|
return nullptr;
|
|
return trans_lookup_ast_container(c, existing_node->data.variable_declaration.type);
|
|
} else if (ref_node->type == NodeTypeFieldAccessExpr) {
|
|
AstNode *container_node = trans_lookup_ast_container_typeof(c, ref_node->data.field_access_expr.struct_expr);
|
|
if (container_node == nullptr)
|
|
return nullptr;
|
|
if (container_node->type != NodeTypeContainerDecl)
|
|
return container_node;
|
|
for (size_t i = 0; i < container_node->data.container_decl.fields.length; i += 1) {
|
|
AstNode *field_node = container_node->data.container_decl.fields.items[i];
|
|
if (buf_eql_buf(field_node->data.struct_field.name, ref_node->data.field_access_expr.field_name)) {
|
|
return trans_lookup_ast_container(c, field_node->data.struct_field.type);
|
|
}
|
|
}
|
|
return nullptr;
|
|
} else {
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
static AstNode *trans_lookup_ast_maybe_fn(Context *c, AstNode *ref_node) {
|
|
AstNode *prefix_node = trans_lookup_ast_container_typeof(c, ref_node);
|
|
if (prefix_node == nullptr)
|
|
return nullptr;
|
|
if (prefix_node->type != NodeTypePrefixOpExpr)
|
|
return nullptr;
|
|
if (prefix_node->data.prefix_op_expr.prefix_op != PrefixOpOptional)
|
|
return nullptr;
|
|
|
|
AstNode *fn_proto_node = prefix_node->data.prefix_op_expr.primary_expr;
|
|
if (fn_proto_node->type != NodeTypeFnProto)
|
|
return nullptr;
|
|
|
|
return fn_proto_node;
|
|
}
|
|
|
|
static void render_macros(Context *c) {
|
|
auto it = c->macro_table.entry_iterator();
|
|
for (;;) {
|
|
auto *entry = it.next();
|
|
if (!entry)
|
|
break;
|
|
|
|
AstNode *proto_node;
|
|
AstNode *value_node = entry->value;
|
|
if (value_node->type == NodeTypeFnDef) {
|
|
add_top_level_decl(c, value_node->data.fn_def.fn_proto->data.fn_proto.name, value_node);
|
|
} else if ((proto_node = trans_lookup_ast_maybe_fn(c, value_node))) {
|
|
// If a macro aliases a global variable which is a function pointer, we conclude that
|
|
// the macro is intended to represent a function that assumes the function pointer
|
|
// variable is non-null and calls it.
|
|
AstNode *inline_fn_node = trans_create_node_inline_fn(c, entry->key, value_node, proto_node);
|
|
add_top_level_decl(c, entry->key, inline_fn_node);
|
|
} else {
|
|
add_global_var(c, entry->key, value_node);
|
|
}
|
|
}
|
|
}
|
|
|
|
static AstNode *parse_ctok_primary_expr(Context *c, CTokenize *ctok, size_t *tok_i);
|
|
static AstNode *parse_ctok_expr(Context *c, CTokenize *ctok, size_t *tok_i);
|
|
static AstNode *parse_ctok_prefix_op_expr(Context *c, CTokenize *ctok, size_t *tok_i);
|
|
|
|
static AstNode *parse_ctok_num_lit(Context *c, CTokenize *ctok, size_t *tok_i, bool negate) {
|
|
CTok *tok = &ctok->tokens.at(*tok_i);
|
|
if (tok->id == CTokIdNumLitInt) {
|
|
*tok_i += 1;
|
|
switch (tok->data.num_lit_int.suffix) {
|
|
case CNumLitSuffixNone:
|
|
return trans_create_node_unsigned_negative(c, tok->data.num_lit_int.x, negate);
|
|
case CNumLitSuffixL:
|
|
return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_long");
|
|
case CNumLitSuffixU:
|
|
return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_uint");
|
|
case CNumLitSuffixLU:
|
|
return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_ulong");
|
|
case CNumLitSuffixLL:
|
|
return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_longlong");
|
|
case CNumLitSuffixLLU:
|
|
return trans_create_node_unsigned_negative_type(c, tok->data.num_lit_int.x, negate, "c_ulonglong");
|
|
}
|
|
zig_unreachable();
|
|
} else if (tok->id == CTokIdNumLitFloat) {
|
|
*tok_i += 1;
|
|
double value = negate ? -tok->data.num_lit_float : tok->data.num_lit_float;
|
|
return trans_create_node_float_lit(c, value);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
static AstNode *parse_ctok_primary_expr(Context *c, CTokenize *ctok, size_t *tok_i) {
|
|
CTok *tok = &ctok->tokens.at(*tok_i);
|
|
switch (tok->id) {
|
|
case CTokIdCharLit:
|
|
*tok_i += 1;
|
|
return trans_create_node_unsigned(c, tok->data.char_lit);
|
|
case CTokIdStrLit:
|
|
*tok_i += 1;
|
|
return trans_create_node_str_lit_c(c, buf_create_from_buf(&tok->data.str_lit));
|
|
case CTokIdMinus:
|
|
*tok_i += 1;
|
|
return parse_ctok_num_lit(c, ctok, tok_i, true);
|
|
case CTokIdNumLitInt:
|
|
case CTokIdNumLitFloat:
|
|
return parse_ctok_num_lit(c, ctok, tok_i, false);
|
|
case CTokIdSymbol:
|
|
{
|
|
*tok_i += 1;
|
|
Buf *symbol_name = buf_create_from_buf(&tok->data.symbol);
|
|
return trans_create_node_symbol(c, symbol_name);
|
|
}
|
|
case CTokIdLParen:
|
|
{
|
|
*tok_i += 1;
|
|
AstNode *inner_node = parse_ctok_expr(c, ctok, tok_i);
|
|
if (inner_node == nullptr) {
|
|
return nullptr;
|
|
}
|
|
|
|
CTok *next_tok = &ctok->tokens.at(*tok_i);
|
|
if (next_tok->id == CTokIdRParen) {
|
|
*tok_i += 1;
|
|
return inner_node;
|
|
}
|
|
|
|
AstNode *node_to_cast = parse_ctok_expr(c, ctok, tok_i);
|
|
if (node_to_cast == nullptr) {
|
|
return nullptr;
|
|
}
|
|
|
|
CTok *next_tok2 = &ctok->tokens.at(*tok_i);
|
|
if (next_tok2->id != CTokIdRParen) {
|
|
return nullptr;
|
|
}
|
|
*tok_i += 1;
|
|
|
|
|
|
//if (@typeId(@typeOf(x)) == @import("builtin").TypeId.Pointer)
|
|
// @ptrCast(dest, x)
|
|
//else if (@typeId(@typeOf(x)) == @import("builtin").TypeId.Integer)
|
|
// @intToPtr(dest, x)
|
|
//else
|
|
// (dest)(x)
|
|
|
|
AstNode *import_builtin = trans_create_node_builtin_fn_call_str(c, "import");
|
|
import_builtin->data.fn_call_expr.params.append(trans_create_node_str_lit_non_c(c, buf_create_from_str("builtin")));
|
|
AstNode *typeid_type = trans_create_node_field_access_str(c, import_builtin, "TypeId");
|
|
AstNode *typeid_pointer = trans_create_node_field_access_str(c, typeid_type, "Pointer");
|
|
AstNode *typeid_integer = trans_create_node_field_access_str(c, typeid_type, "Int");
|
|
AstNode *typeof_x = trans_create_node_builtin_fn_call_str(c, "typeOf");
|
|
typeof_x->data.fn_call_expr.params.append(node_to_cast);
|
|
AstNode *typeid_value = trans_create_node_builtin_fn_call_str(c, "typeId");
|
|
typeid_value->data.fn_call_expr.params.append(typeof_x);
|
|
|
|
AstNode *outer_if_cond = trans_create_node_bin_op(c, typeid_value, BinOpTypeCmpEq, typeid_pointer);
|
|
AstNode *inner_if_cond = trans_create_node_bin_op(c, typeid_value, BinOpTypeCmpEq, typeid_integer);
|
|
AstNode *inner_if_then = trans_create_node_builtin_fn_call_str(c, "intToPtr");
|
|
inner_if_then->data.fn_call_expr.params.append(inner_node);
|
|
inner_if_then->data.fn_call_expr.params.append(node_to_cast);
|
|
AstNode *inner_if_else = trans_create_node_cast(c, inner_node, node_to_cast);
|
|
AstNode *inner_if = trans_create_node_if(c, inner_if_cond, inner_if_then, inner_if_else);
|
|
AstNode *outer_if_then = trans_create_node_builtin_fn_call_str(c, "ptrCast");
|
|
outer_if_then->data.fn_call_expr.params.append(inner_node);
|
|
outer_if_then->data.fn_call_expr.params.append(node_to_cast);
|
|
return trans_create_node_if(c, outer_if_cond, outer_if_then, inner_if);
|
|
}
|
|
case CTokIdDot:
|
|
case CTokIdEOF:
|
|
case CTokIdRParen:
|
|
case CTokIdAsterisk:
|
|
case CTokIdBang:
|
|
case CTokIdTilde:
|
|
// not able to make sense of this
|
|
return nullptr;
|
|
}
|
|
zig_unreachable();
|
|
}
|
|
|
|
static AstNode *parse_ctok_expr(Context *c, CTokenize *ctok, size_t *tok_i) {
|
|
return parse_ctok_prefix_op_expr(c, ctok, tok_i);
|
|
}
|
|
|
|
static AstNode *parse_ctok_suffix_op_expr(Context *c, CTokenize *ctok, size_t *tok_i) {
|
|
AstNode *node = parse_ctok_primary_expr(c, ctok, tok_i);
|
|
if (node == nullptr)
|
|
return nullptr;
|
|
|
|
while (true) {
|
|
CTok *first_tok = &ctok->tokens.at(*tok_i);
|
|
if (first_tok->id == CTokIdDot) {
|
|
*tok_i += 1;
|
|
|
|
CTok *name_tok = &ctok->tokens.at(*tok_i);
|
|
if (name_tok->id != CTokIdSymbol) {
|
|
return nullptr;
|
|
}
|
|
*tok_i += 1;
|
|
|
|
node = trans_create_node_field_access(c, node, buf_create_from_buf(&name_tok->data.symbol));
|
|
} else if (first_tok->id == CTokIdAsterisk) {
|
|
*tok_i += 1;
|
|
|
|
node = trans_create_node_ptr_type(c, false, false, node, PtrLenUnknown);
|
|
} else {
|
|
return node;
|
|
}
|
|
}
|
|
}
|
|
|
|
static AstNode *parse_ctok_prefix_op_expr(Context *c, CTokenize *ctok, size_t *tok_i) {
|
|
CTok *op_tok = &ctok->tokens.at(*tok_i);
|
|
|
|
switch (op_tok->id) {
|
|
case CTokIdBang:
|
|
{
|
|
*tok_i += 1;
|
|
AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i);
|
|
if (prefix_op_expr == nullptr)
|
|
return nullptr;
|
|
return trans_create_node_prefix_op(c, PrefixOpBoolNot, prefix_op_expr);
|
|
}
|
|
case CTokIdMinus:
|
|
{
|
|
*tok_i += 1;
|
|
AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i);
|
|
if (prefix_op_expr == nullptr)
|
|
return nullptr;
|
|
return trans_create_node_prefix_op(c, PrefixOpNegation, prefix_op_expr);
|
|
}
|
|
case CTokIdTilde:
|
|
{
|
|
*tok_i += 1;
|
|
AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i);
|
|
if (prefix_op_expr == nullptr)
|
|
return nullptr;
|
|
return trans_create_node_prefix_op(c, PrefixOpBinNot, prefix_op_expr);
|
|
}
|
|
case CTokIdAsterisk:
|
|
{
|
|
*tok_i += 1;
|
|
AstNode *prefix_op_expr = parse_ctok_prefix_op_expr(c, ctok, tok_i);
|
|
if (prefix_op_expr == nullptr)
|
|
return nullptr;
|
|
return trans_create_node_ptr_deref(c, prefix_op_expr);
|
|
}
|
|
default:
|
|
return parse_ctok_suffix_op_expr(c, ctok, tok_i);
|
|
}
|
|
}
|
|
|
|
static void process_macro(Context *c, CTokenize *ctok, Buf *name, const char *char_ptr) {
|
|
tokenize_c_macro(ctok, (const uint8_t *)char_ptr);
|
|
|
|
if (ctok->error) {
|
|
return;
|
|
}
|
|
|
|
size_t tok_i = 0;
|
|
CTok *name_tok = &ctok->tokens.at(tok_i);
|
|
assert(name_tok->id == CTokIdSymbol && buf_eql_buf(&name_tok->data.symbol, name));
|
|
tok_i += 1;
|
|
|
|
AstNode *result_node = parse_ctok_suffix_op_expr(c, ctok, &tok_i);
|
|
if (result_node == nullptr) {
|
|
return;
|
|
}
|
|
CTok *eof_tok = &ctok->tokens.at(tok_i);
|
|
if (eof_tok->id != CTokIdEOF) {
|
|
return;
|
|
}
|
|
if (result_node->type == NodeTypeSymbol) {
|
|
// if it equals itself, ignore. for example, from stdio.h:
|
|
// #define stdin stdin
|
|
Buf *symbol_name = result_node->data.symbol_expr.symbol;
|
|
if (buf_eql_buf(name, symbol_name)) {
|
|
return;
|
|
}
|
|
}
|
|
c->macro_table.put(name, result_node);
|
|
}
|
|
|
|
static void process_preprocessor_entities(Context *c, ASTUnit &unit) {
|
|
CTokenize ctok = {{0}};
|
|
|
|
// TODO if we see #undef, delete it from the table
|
|
|
|
for (PreprocessedEntity *entity : unit.getLocalPreprocessingEntities()) {
|
|
switch (entity->getKind()) {
|
|
case PreprocessedEntity::InvalidKind:
|
|
case PreprocessedEntity::InclusionDirectiveKind:
|
|
case PreprocessedEntity::MacroExpansionKind:
|
|
continue;
|
|
case PreprocessedEntity::MacroDefinitionKind:
|
|
{
|
|
MacroDefinitionRecord *macro = static_cast<MacroDefinitionRecord *>(entity);
|
|
const char *raw_name = macro->getName()->getNameStart();
|
|
SourceRange range = macro->getSourceRange();
|
|
SourceLocation begin_loc = range.getBegin();
|
|
SourceLocation end_loc = range.getEnd();
|
|
|
|
if (begin_loc == end_loc) {
|
|
// this means it is a macro without a value
|
|
// we don't care about such things
|
|
continue;
|
|
}
|
|
Buf *name = buf_create_from_str(raw_name);
|
|
if (name_exists_global(c, name)) {
|
|
continue;
|
|
}
|
|
|
|
const char *begin_c = c->source_manager->getCharacterData(begin_loc);
|
|
process_macro(c, &ctok, name, begin_c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Error parse_h_buf(ImportTableEntry *import, ZigList<ErrorMsg *> *errors, Buf *source,
|
|
CodeGen *codegen, AstNode *source_node)
|
|
{
|
|
Error err;
|
|
Buf tmp_file_path = BUF_INIT;
|
|
if ((err = os_buf_to_tmp_file(source, buf_create_from_str(".h"), &tmp_file_path))) {
|
|
return err;
|
|
}
|
|
|
|
err = parse_h_file(import, errors, buf_ptr(&tmp_file_path), codegen, source_node);
|
|
|
|
os_delete_file(&tmp_file_path);
|
|
|
|
return err;
|
|
}
|
|
|
|
Error parse_h_file(ImportTableEntry *import, ZigList<ErrorMsg *> *errors, const char *target_file,
|
|
CodeGen *codegen, AstNode *source_node)
|
|
{
|
|
Context context = {0};
|
|
Context *c = &context;
|
|
c->warnings_on = codegen->verbose_cimport;
|
|
c->import = import;
|
|
c->errors = errors;
|
|
if (buf_ends_with_str(buf_create_from_str(target_file), ".h")) {
|
|
c->visib_mod = VisibModPub;
|
|
c->want_export = false;
|
|
} else {
|
|
c->visib_mod = VisibModPub;
|
|
c->want_export = true;
|
|
}
|
|
c->decl_table.init(8);
|
|
c->macro_table.init(8);
|
|
c->global_table.init(8);
|
|
c->ptr_params.init(8);
|
|
c->codegen = codegen;
|
|
c->source_node = source_node;
|
|
c->global_scope = trans_scope_root_create(c);
|
|
|
|
ZigList<const char *> clang_argv = {0};
|
|
|
|
clang_argv.append("-x");
|
|
clang_argv.append("c");
|
|
|
|
if (c->codegen->is_native_target) {
|
|
char *ZIG_PARSEC_CFLAGS = getenv("ZIG_NATIVE_PARSEC_CFLAGS");
|
|
if (ZIG_PARSEC_CFLAGS) {
|
|
Buf tmp_buf = BUF_INIT;
|
|
char *start = ZIG_PARSEC_CFLAGS;
|
|
char *space = strstr(start, " ");
|
|
while (space) {
|
|
if (space - start > 0) {
|
|
buf_init_from_mem(&tmp_buf, start, space - start);
|
|
clang_argv.append(buf_ptr(buf_create_from_buf(&tmp_buf)));
|
|
}
|
|
start = space + 1;
|
|
space = strstr(start, " ");
|
|
}
|
|
buf_init_from_str(&tmp_buf, start);
|
|
clang_argv.append(buf_ptr(buf_create_from_buf(&tmp_buf)));
|
|
}
|
|
}
|
|
|
|
clang_argv.append("-isystem");
|
|
clang_argv.append(buf_ptr(codegen->zig_c_headers_dir));
|
|
|
|
if (codegen->libc_include_dir != nullptr) {
|
|
clang_argv.append("-isystem");
|
|
clang_argv.append(buf_ptr(codegen->libc_include_dir));
|
|
}
|
|
|
|
// windows c runtime requires -D_DEBUG if using debug libraries
|
|
if (codegen->build_mode == BuildModeDebug) {
|
|
clang_argv.append("-D_DEBUG");
|
|
}
|
|
|
|
for (size_t i = 0; i < codegen->clang_argv_len; i += 1) {
|
|
clang_argv.append(codegen->clang_argv[i]);
|
|
}
|
|
|
|
// we don't need spell checking and it slows things down
|
|
clang_argv.append("-fno-spell-checking");
|
|
|
|
// this gives us access to preprocessing entities, presumably at
|
|
// the cost of performance
|
|
clang_argv.append("-Xclang");
|
|
clang_argv.append("-detailed-preprocessing-record");
|
|
|
|
if (!c->codegen->is_native_target) {
|
|
clang_argv.append("-target");
|
|
clang_argv.append(buf_ptr(&c->codegen->triple_str));
|
|
}
|
|
|
|
clang_argv.append(target_file);
|
|
|
|
if (codegen->verbose_cimport) {
|
|
fprintf(stderr, "clang");
|
|
for (size_t i = 0; i < clang_argv.length; i += 1) {
|
|
fprintf(stderr, " %s", clang_argv.at(i));
|
|
}
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
// to make the [start...end] argument work
|
|
clang_argv.append(nullptr);
|
|
|
|
IntrusiveRefCntPtr<DiagnosticsEngine> diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
|
|
|
|
std::shared_ptr<PCHContainerOperations> pch_container_ops = std::make_shared<PCHContainerOperations>();
|
|
|
|
bool only_local_decls = true;
|
|
bool capture_diagnostics = true;
|
|
bool user_files_are_volatile = true;
|
|
bool allow_pch_with_compiler_errors = false;
|
|
bool single_file_parse = false;
|
|
bool for_serialization = false;
|
|
const char *resources_path = buf_ptr(codegen->zig_c_headers_dir);
|
|
std::unique_ptr<ASTUnit> err_unit;
|
|
std::unique_ptr<ASTUnit> ast_unit(ASTUnit::LoadFromCommandLine(
|
|
&clang_argv.at(0), &clang_argv.last(),
|
|
pch_container_ops, diags, resources_path,
|
|
only_local_decls, capture_diagnostics, None, true, 0, TU_Complete,
|
|
false, false, allow_pch_with_compiler_errors, SkipFunctionBodiesScope::None,
|
|
single_file_parse, user_files_are_volatile, for_serialization, None, &err_unit,
|
|
nullptr));
|
|
|
|
// Early failures in LoadFromCommandLine may return with ErrUnit unset.
|
|
if (!ast_unit && !err_unit) {
|
|
return ErrorFileSystem;
|
|
}
|
|
|
|
if (diags->getClient()->getNumErrors() > 0) {
|
|
if (ast_unit) {
|
|
err_unit = std::move(ast_unit);
|
|
}
|
|
|
|
for (ASTUnit::stored_diag_iterator it = err_unit->stored_diag_begin(),
|
|
it_end = err_unit->stored_diag_end();
|
|
it != it_end; ++it)
|
|
{
|
|
switch (it->getLevel()) {
|
|
case DiagnosticsEngine::Ignored:
|
|
case DiagnosticsEngine::Note:
|
|
case DiagnosticsEngine::Remark:
|
|
case DiagnosticsEngine::Warning:
|
|
continue;
|
|
case DiagnosticsEngine::Error:
|
|
case DiagnosticsEngine::Fatal:
|
|
break;
|
|
}
|
|
StringRef msg_str_ref = it->getMessage();
|
|
Buf *msg = string_ref_to_buf(msg_str_ref);
|
|
FullSourceLoc fsl = it->getLocation();
|
|
if (fsl.hasManager()) {
|
|
FileID file_id = fsl.getFileID();
|
|
StringRef filename = fsl.getManager().getFilename(fsl);
|
|
unsigned line = fsl.getSpellingLineNumber() - 1;
|
|
unsigned column = fsl.getSpellingColumnNumber() - 1;
|
|
unsigned offset = fsl.getManager().getFileOffset(fsl);
|
|
const char *source = (const char *)fsl.getManager().getBufferData(file_id).bytes_begin();
|
|
Buf *path;
|
|
if (filename.empty()) {
|
|
path = buf_alloc();
|
|
} else {
|
|
path = string_ref_to_buf(filename);
|
|
}
|
|
|
|
ErrorMsg *err_msg = err_msg_create_with_offset(path, line, column, offset, source, msg);
|
|
|
|
c->errors->append(err_msg);
|
|
} else {
|
|
// NOTE the only known way this gets triggered right now is if you have a lot of errors
|
|
// clang emits "too many errors emitted, stopping now"
|
|
fprintf(stderr, "unexpected error from clang: %s\n", buf_ptr(msg));
|
|
}
|
|
}
|
|
|
|
return ErrorCCompileErrors;
|
|
}
|
|
|
|
c->ctx = &ast_unit->getASTContext();
|
|
c->source_manager = &ast_unit->getSourceManager();
|
|
c->root = trans_create_node(c, NodeTypeContainerDecl);
|
|
c->root->data.container_decl.is_root = true;
|
|
|
|
ast_unit->visitLocalTopLevelDecls(c, decl_visitor);
|
|
|
|
process_preprocessor_entities(c, *ast_unit);
|
|
|
|
render_macros(c);
|
|
render_aliases(c);
|
|
|
|
import->root = c->root;
|
|
|
|
return ErrorNone;
|
|
}
|