132 lines
4.1 KiB
C++
132 lines
4.1 KiB
C++
/*
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* Copyright (c) 2016 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 "errmsg.hpp"
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#include "os.hpp"
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#include <stdio.h>
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enum ErrType {
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ErrTypeError,
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ErrTypeNote,
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};
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static void print_err_msg_type(ErrorMsg *err, ErrColor color, ErrType err_type) {
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const char *path = buf_ptr(err->path);
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size_t line = err->line_start + 1;
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size_t col = err->column_start + 1;
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const char *text = buf_ptr(err->msg);
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bool is_tty = os_stderr_tty();
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if (color == ErrColorOn || (color == ErrColorAuto && is_tty)) {
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if (err_type == ErrTypeError) {
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os_stderr_set_color(TermColorWhite);
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fprintf(stderr, "%s:%" ZIG_PRI_usize ":%" ZIG_PRI_usize ": ", path, line, col);
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os_stderr_set_color(TermColorRed);
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fprintf(stderr, "error:");
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os_stderr_set_color(TermColorWhite);
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fprintf(stderr, " %s", text);
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os_stderr_set_color(TermColorReset);
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fprintf(stderr, "\n");
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} else if (err_type == ErrTypeNote) {
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os_stderr_set_color(TermColorWhite);
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fprintf(stderr, "%s:%" ZIG_PRI_usize ":%" ZIG_PRI_usize ": ", path, line, col);
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os_stderr_set_color(TermColorCyan);
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fprintf(stderr, "note:");
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os_stderr_set_color(TermColorWhite);
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fprintf(stderr, " %s", text);
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os_stderr_set_color(TermColorReset);
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fprintf(stderr, "\n");
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} else {
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zig_unreachable();
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}
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fprintf(stderr, "%s\n", buf_ptr(&err->line_buf));
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for (size_t i = 0; i < err->column_start; i += 1) {
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fprintf(stderr, " ");
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}
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os_stderr_set_color(TermColorGreen);
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fprintf(stderr, "^");
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os_stderr_set_color(TermColorReset);
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fprintf(stderr, "\n");
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} else {
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if (err_type == ErrTypeError) {
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fprintf(stderr, "%s:%" ZIG_PRI_usize ":%" ZIG_PRI_usize ": error: %s\n", path, line, col, text);
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} else if (err_type == ErrTypeNote) {
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fprintf(stderr, " %s:%" ZIG_PRI_usize ":%" ZIG_PRI_usize ": note: %s\n", path, line, col, text);
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} else {
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zig_unreachable();
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}
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}
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for (size_t i = 0; i < err->notes.length; i += 1) {
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ErrorMsg *note = err->notes.at(i);
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print_err_msg_type(note, color, ErrTypeNote);
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}
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}
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void print_err_msg(ErrorMsg *err, ErrColor color) {
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print_err_msg_type(err, color, ErrTypeError);
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}
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void err_msg_add_note(ErrorMsg *parent, ErrorMsg *note) {
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parent->notes.append(note);
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}
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ErrorMsg *err_msg_create_with_offset(Buf *path, size_t line, size_t column, size_t offset,
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const char *source, Buf *msg)
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{
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ErrorMsg *err_msg = allocate<ErrorMsg>(1);
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err_msg->path = path;
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err_msg->line_start = line;
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err_msg->column_start = column;
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err_msg->msg = msg;
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size_t line_start_offset = offset;
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for (;;) {
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if (line_start_offset == 0) {
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break;
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}
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line_start_offset -= 1;
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if (source[line_start_offset] == '\n') {
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line_start_offset += 1;
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break;
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}
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}
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size_t line_end_offset = offset;
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while (source[line_end_offset] && source[line_end_offset] != '\n') {
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line_end_offset += 1;
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}
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buf_init_from_mem(&err_msg->line_buf, source + line_start_offset, line_end_offset - line_start_offset);
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return err_msg;
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}
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ErrorMsg *err_msg_create_with_line(Buf *path, size_t line, size_t column,
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Buf *source, ZigList<size_t> *line_offsets, Buf *msg)
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{
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ErrorMsg *err_msg = allocate<ErrorMsg>(1);
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err_msg->path = path;
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err_msg->line_start = line;
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err_msg->column_start = column;
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err_msg->msg = msg;
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size_t line_start_offset = line_offsets->at(line);
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size_t end_line = line + 1;
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size_t line_end_offset = (end_line >= line_offsets->length) ? buf_len(source) : line_offsets->at(line + 1);
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size_t len = (line_end_offset + 1 > line_start_offset) ? (line_end_offset - line_start_offset - 1) : 0;
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if (len == SIZE_MAX) len = 0;
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buf_init_from_mem(&err_msg->line_buf, buf_ptr(source) + line_start_offset, len);
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return err_msg;
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}
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