139 lines
3.4 KiB
Zig
Vendored
139 lines
3.4 KiB
Zig
Vendored
const std = @import("std");
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const Properties = @This();
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language: Language,
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attributes: Attributes,
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header: Header,
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target_set: TargetSet,
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/// Header which must be included for a builtin to be available
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pub const Header = enum {
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none,
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/// stdio.h
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stdio,
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/// stdlib.h
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stdlib,
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/// setjmpex.h
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setjmpex,
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/// stdarg.h
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stdarg,
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/// string.h
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string,
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/// ctype.h
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ctype,
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/// wchar.h
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wchar,
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/// setjmp.h
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setjmp,
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/// malloc.h
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malloc,
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/// strings.h
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strings,
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/// unistd.h
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unistd,
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/// pthread.h
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pthread,
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/// math.h
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math,
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/// complex.h
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complex,
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/// Blocks.h
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blocks,
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};
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/// Languages in which a builtin is available
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pub const Language = enum {
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all_languages,
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all_ms_languages,
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all_gnu_languages,
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gnu_lang,
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};
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pub const Attributes = packed struct {
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/// Function does not return
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noreturn: bool = false,
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/// Function has no side effects
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pure: bool = false,
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/// Function has no side effects and does not read memory
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@"const": bool = false,
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/// Signature is meaningless; use custom typecheck
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custom_typecheck: bool = false,
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/// A declaration of this builtin should be recognized even if the type doesn't match the specified signature.
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allow_type_mismatch: bool = false,
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/// this is a libc/libm function with a '__builtin_' prefix added.
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lib_function_with_builtin_prefix: bool = false,
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/// this is a libc/libm function without a '__builtin_' prefix. This builtin is disableable by '-fno-builtin-foo'
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lib_function_without_prefix: bool = false,
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/// Function returns twice (e.g. setjmp)
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returns_twice: bool = false,
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/// Nature of the format string passed to this function
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format_kind: enum(u3) {
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/// Does not take a format string
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none,
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/// this is a printf-like function whose Nth argument is the format string
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printf,
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/// function is like vprintf in that it accepts its arguments as a va_list rather than through an ellipsis
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vprintf,
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/// this is a scanf-like function whose Nth argument is the format string
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scanf,
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/// the function is like vscanf in that it accepts its arguments as a va_list rather than through an ellipsis
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vscanf,
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} = .none,
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/// Position of format string argument. Only meaningful if format_kind is not .none
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format_string_position: u5 = 0,
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/// if false, arguments are not evaluated
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eval_args: bool = true,
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/// no side effects and does not read memory, but only when -fno-math-errno and FP exceptions are ignored
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const_without_errno_and_fp_exceptions: bool = false,
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/// no side effects and does not read memory, but only when FP exceptions are ignored
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const_without_fp_exceptions: bool = false,
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/// this function can be constant evaluated by the frontend
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const_evaluable: bool = false,
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};
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pub const Target = enum {
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/// Supported on all targets
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basic,
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aarch64,
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aarch64_neon_sve_bridge,
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aarch64_neon_sve_bridge_cg,
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amdgpu,
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arm,
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bpf,
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hexagon,
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hexagon_dep,
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hexagon_map_custom_dep,
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loong_arch,
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mips,
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neon,
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nvptx,
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ppc,
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riscv,
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riscv_vector,
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sve,
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systemz,
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ve,
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vevl_gen,
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webassembly,
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x86,
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x86_64,
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xcore,
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};
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/// Targets for which a builtin is enabled
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pub const TargetSet = std.enums.EnumSet(Target);
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