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add c_char type

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closes #875
This commit is contained in:
Andrew Kelley 2023-04-12 21:03:36 -07:00
parent 856a9c2e31
commit e2fe1907ec
11 changed files with 62 additions and 2 deletions
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4
lib/std/start.zig
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@ -512,7 +512,7 @@ fn callMainWithArgs(argc: usize, argv: [*][*:0]u8, envp: [][*:0]u8) u8 {
return initEventLoopAndCallMain();
}
fn main(c_argc: c_int, c_argv: [*][*:0]u8, c_envp: [*:null]?[*:0]u8) callconv(.C) c_int {
fn main(c_argc: c_int, c_argv: [*][*:0]c_char, c_envp: [*:null]?[*:0]c_char) callconv(.C) c_int {
var env_count: usize = 0;
while (c_envp[env_count] != null) : (env_count += 1) {}
const envp = @ptrCast([*][*:0]u8, c_envp)[0..env_count];
@ -527,7 +527,7 @@ fn main(c_argc: c_int, c_argv: [*][*:0]u8, c_envp: [*:null]?[*:0]u8) callconv(.C
return @call(.always_inline, callMainWithArgs, .{ @intCast(usize, c_argc), @ptrCast([*][*:0]u8, c_argv), envp });
}
fn mainWithoutEnv(c_argc: c_int, c_argv: [*][*:0]u8) callconv(.C) c_int {
fn mainWithoutEnv(c_argc: c_int, c_argv: [*][*:0]c_char) callconv(.C) c_int {
std.os.argv = @ptrCast([*][*:0]u8, c_argv)[0..@intCast(usize, c_argc)];
return @call(.always_inline, callMain, .{});
}

20
lib/std/target.zig
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@ -1905,6 +1905,7 @@ pub const Target = struct {
}
pub const CType = enum {
char,
short,
ushort,
int,
@ -1920,6 +1921,7 @@ pub const Target = struct {
pub fn c_type_byte_size(t: Target, c_type: CType) u16 {
return switch (c_type) {
.char,
.short,
.ushort,
.int,
@ -1948,21 +1950,25 @@ pub const Target = struct {
switch (target.os.tag) {
.freestanding, .other => switch (target.cpu.arch) {
.msp430 => switch (c_type) {
.char => return 8,
.short, .ushort, .int, .uint => return 16,
.float, .long, .ulong => return 32,
.longlong, .ulonglong, .double, .longdouble => return 64,
},
.avr => switch (c_type) {
.char => return 8,
.short, .ushort, .int, .uint => return 16,
.long, .ulong, .float, .double, .longdouble => return 32,
.longlong, .ulonglong => return 64,
},
.tce, .tcele => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .long, .ulong, .longlong, .ulonglong => return 32,
.float, .double, .longdouble => return 32,
},
.mips64, .mips64el => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => return if (target.abi != .gnuabin32) 64 else 32,
@ -1970,6 +1976,7 @@ pub const Target = struct {
.longdouble => return 128,
},
.x86_64 => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => switch (target.abi) {
@ -1980,6 +1987,7 @@ pub const Target = struct {
.longdouble => return 80,
},
else => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => return target.cpu.arch.ptrBitWidth(),
@ -2036,21 +2044,25 @@ pub const Target = struct {
.minix,
=> switch (target.cpu.arch) {
.msp430 => switch (c_type) {
.char => return 8,
.short, .ushort, .int, .uint => return 16,
.long, .ulong, .float => return 32,
.longlong, .ulonglong, .double, .longdouble => return 64,
},
.avr => switch (c_type) {
.char => return 8,
.short, .ushort, .int, .uint => return 16,
.long, .ulong, .float, .double, .longdouble => return 32,
.longlong, .ulonglong => return 64,
},
.tce, .tcele => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .long, .ulong, .longlong, .ulonglong => return 32,
.float, .double, .longdouble => return 32,
},
.mips64, .mips64el => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => return if (target.abi != .gnuabin32) 64 else 32,
@ -2058,6 +2070,7 @@ pub const Target = struct {
.longdouble => if (target.os.tag == .freebsd) return 64 else return 128,
},
.x86_64 => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => switch (target.abi) {
@ -2068,6 +2081,7 @@ pub const Target = struct {
.longdouble => return 80,
},
else => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => return target.cpu.arch.ptrBitWidth(),
@ -2128,6 +2142,7 @@ pub const Target = struct {
.windows, .uefi => switch (target.cpu.arch) {
.x86 => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => return 32,
@ -2138,6 +2153,7 @@ pub const Target = struct {
},
},
.x86_64 => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => switch (target.abi) {
@ -2151,6 +2167,7 @@ pub const Target = struct {
},
},
else => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => return 32,
@ -2160,6 +2177,7 @@ pub const Target = struct {
},
.macos, .ios, .tvos, .watchos => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => switch (target.cpu.arch) {
@ -2182,6 +2200,7 @@ pub const Target = struct {
},
.nvcl, .cuda => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong => switch (target.cpu.arch) {
@ -2194,6 +2213,7 @@ pub const Target = struct {
},
.amdhsa, .amdpal => switch (c_type) {
.char => return 8,
.short, .ushort => return 16,
.int, .uint, .float => return 32,
.long, .ulong, .longlong, .ulonglong, .double => return 64,

1
lib/std/zig/primitives.zig
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@ -11,6 +11,7 @@ pub const names = std.ComptimeStringMap(void, .{
.{"c_long"},
.{"c_longdouble"},
.{"c_longlong"},
.{"c_char"},
.{"c_short"},
.{"c_uint"},
.{"c_ulong"},

4
src/AstGen.zig
View File

@ -9054,6 +9054,7 @@ const primitive_instrs = std.ComptimeStringMap(Zir.Inst.Ref, .{
.{ "c_long", .c_long_type },
.{ "c_longdouble", .c_longdouble_type },
.{ "c_longlong", .c_longlong_type },
.{ "c_char", .c_char_type },
.{ "c_short", .c_short_type },
.{ "c_uint", .c_uint_type },
.{ "c_ulong", .c_ulong_type },
@ -9802,6 +9803,7 @@ fn nodeImpliesMoreThanOnePossibleValue(tree: *const Ast, start_node: Ast.Node.In
.c_long_type,
.c_longdouble_type,
.c_longlong_type,
.c_char_type,
.c_short_type,
.c_uint_type,
.c_ulong_type,
@ -10047,6 +10049,7 @@ fn nodeImpliesComptimeOnly(tree: *const Ast, start_node: Ast.Node.Index) bool {
.c_long_type,
.c_longdouble_type,
.c_longlong_type,
.c_char_type,
.c_short_type,
.c_uint_type,
.c_ulong_type,
@ -10187,6 +10190,7 @@ fn rvalue(
as_ty | @enumToInt(Zir.Inst.Ref.i64_type),
as_ty | @enumToInt(Zir.Inst.Ref.usize_type),
as_ty | @enumToInt(Zir.Inst.Ref.isize_type),
as_ty | @enumToInt(Zir.Inst.Ref.c_char_type),
as_ty | @enumToInt(Zir.Inst.Ref.c_short_type),
as_ty | @enumToInt(Zir.Inst.Ref.c_ushort_type),
as_ty | @enumToInt(Zir.Inst.Ref.c_int_type),

3
src/Sema.zig
View File

@ -30622,6 +30622,7 @@ pub fn resolveTypeRequiresComptime(sema: *Sema, ty: Type) CompileError!bool {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -32010,6 +32011,7 @@ pub fn typeHasOnePossibleValue(sema: *Sema, ty: Type) CompileError!?Value {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -32640,6 +32642,7 @@ pub fn typeRequiresComptime(sema: *Sema, ty: Type) CompileError!bool {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,

1
src/TypedValue.zig
View File

@ -92,6 +92,7 @@ pub fn print(
.i128_type => return writer.writeAll("i128"),
.isize_type => return writer.writeAll("isize"),
.usize_type => return writer.writeAll("usize"),
.c_char_type => return writer.writeAll("c_char"),
.c_short_type => return writer.writeAll("c_short"),
.c_ushort_type => return writer.writeAll("c_ushort"),
.c_int_type => return writer.writeAll("c_int"),

5
src/Zir.zig
View File

@ -2062,6 +2062,7 @@ pub const Inst = struct {
i128_type,
usize_type,
isize_type,
c_char_type,
c_short_type,
c_ushort_type,
c_int_type,
@ -2201,6 +2202,10 @@ pub const Inst = struct {
.ty = Type.initTag(.type),
.val = Value.initTag(.isize_type),
},
.c_char_type = .{
.ty = Type.initTag(.type),
.val = Value.initTag(.c_char_type),
},
.c_short_type = .{
.ty = Type.initTag(.type),
.val = Value.initTag(.c_short_type),

1
src/codegen/c/type.zig
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@ -1358,6 +1358,7 @@ pub const CType = extern union {
else if (ty.isAbiInt()) switch (ty.tag()) {
.usize => self.init(.uintptr_t),
.isize => self.init(.intptr_t),
.c_char => self.init(.char),
.c_short => self.init(.short),
.c_ushort => self.init(.@"unsigned short"),
.c_int => self.init(.int),

20
src/type.zig
View File

@ -47,6 +47,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -546,6 +547,7 @@ pub const Type = extern union {
// Detect that e.g. u64 != usize, even if the bits match on a particular target.
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -946,6 +948,7 @@ pub const Type = extern union {
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -1292,6 +1295,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -1584,6 +1588,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -1974,6 +1979,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -2290,6 +2296,7 @@ pub const Type = extern union {
.i64 => return Value.initTag(.i64_type),
.usize => return Value.initTag(.usize_type),
.isize => return Value.initTag(.isize_type),
.c_char => return Value.initTag(.c_char_type),
.c_short => return Value.initTag(.c_short_type),
.c_ushort => return Value.initTag(.c_ushort_type),
.c_int => return Value.initTag(.c_int_type),
@ -2376,6 +2383,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -2603,6 +2611,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -2938,6 +2947,7 @@ pub const Type = extern union {
.anyframe_T,
=> return AbiAlignmentAdvanced{ .scalar = @divExact(target.cpu.arch.ptrBitWidth(), 8) },
.c_char => return AbiAlignmentAdvanced{ .scalar = target.c_type_alignment(.char) },
.c_short => return AbiAlignmentAdvanced{ .scalar = target.c_type_alignment(.short) },
.c_ushort => return AbiAlignmentAdvanced{ .scalar = target.c_type_alignment(.ushort) },
.c_int => return AbiAlignmentAdvanced{ .scalar = target.c_type_alignment(.int) },
@ -3435,6 +3445,7 @@ pub const Type = extern union {
else => return AbiSizeAdvanced{ .scalar = @divExact(target.cpu.arch.ptrBitWidth(), 8) },
},
.c_char => return AbiSizeAdvanced{ .scalar = target.c_type_byte_size(.char) },
.c_short => return AbiSizeAdvanced{ .scalar = target.c_type_byte_size(.short) },
.c_ushort => return AbiSizeAdvanced{ .scalar = target.c_type_byte_size(.ushort) },
.c_int => return AbiSizeAdvanced{ .scalar = target.c_type_byte_size(.int) },
@ -3742,6 +3753,7 @@ pub const Type = extern union {
.manyptr_const_u8_sentinel_0,
=> return target.cpu.arch.ptrBitWidth(),
.c_char => return target.c_type_bit_size(.char),
.c_short => return target.c_type_bit_size(.short),
.c_ushort => return target.c_type_bit_size(.ushort),
.c_int => return target.c_type_bit_size(.int),
@ -4553,6 +4565,7 @@ pub const Type = extern union {
.int_signed,
.i8,
.isize,
.c_char,
.c_short,
.c_int,
.c_long,
@ -4625,6 +4638,7 @@ pub const Type = extern union {
.i128 => return .{ .signedness = .signed, .bits = 128 },
.usize => return .{ .signedness = .unsigned, .bits = target.cpu.arch.ptrBitWidth() },
.isize => return .{ .signedness = .signed, .bits = target.cpu.arch.ptrBitWidth() },
.c_char => return .{ .signedness = .signed, .bits = target.c_type_bit_size(.char) },
.c_short => return .{ .signedness = .signed, .bits = target.c_type_bit_size(.short) },
.c_ushort => return .{ .signedness = .unsigned, .bits = target.c_type_bit_size(.ushort) },
.c_int => return .{ .signedness = .signed, .bits = target.c_type_bit_size(.int) },
@ -4664,6 +4678,7 @@ pub const Type = extern union {
return switch (self.tag()) {
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -4921,6 +4936,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -4964,6 +4980,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -5155,6 +5172,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,
@ -5993,6 +6011,7 @@ pub const Type = extern union {
i128,
usize,
isize,
c_char,
c_short,
c_ushort,
c_int,
@ -6118,6 +6137,7 @@ pub const Type = extern union {
.i128,
.usize,
.isize,
.c_char,
.c_short,
.c_ushort,
.c_int,

5
src/value.zig
View File

@ -40,6 +40,7 @@ pub const Value = extern union {
i128_type,
usize_type,
isize_type,
c_char_type,
c_short_type,
c_ushort_type,
c_int_type,
@ -210,6 +211,7 @@ pub const Value = extern union {
.i128_type,
.usize_type,
.isize_type,
.c_char_type,
.c_short_type,
.c_ushort_type,
.c_int_type,
@ -413,6 +415,7 @@ pub const Value = extern union {
.i128_type,
.usize_type,
.isize_type,
.c_char_type,
.c_short_type,
.c_ushort_type,
.c_int_type,
@ -679,6 +682,7 @@ pub const Value = extern union {
.i128_type => return out_stream.writeAll("i128"),
.isize_type => return out_stream.writeAll("isize"),
.usize_type => return out_stream.writeAll("usize"),
.c_char_type => return out_stream.writeAll("c_char"),
.c_short_type => return out_stream.writeAll("c_short"),
.c_ushort_type => return out_stream.writeAll("c_ushort"),
.c_int_type => return out_stream.writeAll("c_int"),
@ -919,6 +923,7 @@ pub const Value = extern union {
.i128_type => Type.initTag(.i128),
.usize_type => Type.initTag(.usize),
.isize_type => Type.initTag(.isize),
.c_char_type => Type.initTag(.c_char),
.c_short_type => Type.initTag(.c_short),
.c_ushort_type => Type.initTag(.c_ushort),
.c_int_type => Type.initTag(.c_int),

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stage1/zig1.wasm
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