Commit 75b05386885de30ffdb4c21f6fd084500bf4fd55 | zig

author	Constantin Bilz <cbilz@posteo.net> 2025-02-06 18:56:48+01:00
committer	Andrew Kelley <andrew@ziglang.org> 2025-02-22 23:31:17-05:00
log	75b05386885de30ffdb4c21f6fd084500bf4fd55
tree	87970b922bc79839f4c146f9ee2d4f42792457ff
parent	77007445bf94f59b88db0ec6a9f0e76edafe2b74

std.Build: Allow ConfigHeader values to be added at build.zig runtime

1 files changed, 19 insertions(+), 19 deletions(-)

lib
- std
  - Build
    Step
    ConfigHeader.zig

lib/std/Build/Step/ConfigHeader.zig+19-19

...	...	@@ -100,58 +100,58 @@ pub fn create(owner: std.Build, options: Options) ConfigHeader {
100	100	return config_header;
101	101	}
102	102
	103	pub fn addValue(config_header: *ConfigHeader, name: []const u8, comptime T: type, value: T) void {
	104	return addValueInner(config_header, name, T, value) catch @panic("OOM");
	105	}
	106
103	107	pub fn addValues(config_header: *ConfigHeader, values: anytype) void {
104		return addValuesInner(config_header, values) catch @panic("OOM");
	108	inline for (@typeInfo(@TypeOf(values)).@"struct".fields) \|field\| {
	109	addValue(config_header, field.name, field.type, @field(values, field.name));
	110	}
105	111	}
106	112
107	113	pub fn getOutput(config_header: *ConfigHeader) std.Build.LazyPath {
108	114	return .{ .generated = .{ .file = &config_header.output_file } };
109	115	}
110	116
111		fn addValuesInner(config_header: *ConfigHeader, values: anytype) !void {
112		inline for (@typeInfo(@TypeOf(values)).@"struct".fields) \|field\| {
113		try putValue(config_header, field.name, field.type, @field(values, field.name));
114		}
115		}
116
117		fn putValue(config_header: *ConfigHeader, field_name: []const u8, comptime T: type, v: T) !void {
	117	fn addValueInner(config_header: *ConfigHeader, name: []const u8, comptime T: type, value: T) !void {
118	118	switch (@typeInfo(T)) {
119	119	.null => {
120		try config_header.values.put(field_name, .undef);
	120	try config_header.values.put(name, .undef);
121	121	},
122	122	.void => {
123		try config_header.values.put(field_name, .defined);
	123	try config_header.values.put(name, .defined);
124	124	},
125	125	.bool => {
126		try config_header.values.put(field_name, .{ .boolean = v });
	126	try config_header.values.put(name, .{ .boolean = value });
127	127	},
128	128	.int => {
129		try config_header.values.put(field_name, .{ .int = v });
	129	try config_header.values.put(name, .{ .int = value });
130	130	},
131	131	.comptime_int => {
132		try config_header.values.put(field_name, .{ .int = v });
	132	try config_header.values.put(name, .{ .int = value });
133	133	},
134	134	.@"enum", .enum_literal => {
135		try config_header.values.put(field_name, .{ .ident = @tagName(v) });
	135	try config_header.values.put(name, .{ .ident = @tagName(value) });
136	136	},
137	137	.optional => {
138		if (v) \|x\| {
139		return putValue(config_header, field_name, @TypeOf(x), x);
	138	if (value) \|x\| {
	139	return addValueInner(config_header, name, @TypeOf(x), x);
140	140	} else {
141		try config_header.values.put(field_name, .undef);
	141	try config_header.values.put(name, .undef);
142	142	}
143	143	},
144	144	.pointer => \|ptr\| {
145	145	switch (@typeInfo(ptr.child)) {
146	146	.array => \|array\| {
147	147	if (ptr.size == .one and array.child == u8) {
148		try config_header.values.put(field_name, .{ .string = v });
	148	try config_header.values.put(name, .{ .string = value });
149	149	return;
150	150	}
151	151	},
152	152	.int => {
153	153	if (ptr.size == .slice and ptr.child == u8) {
154		try config_header.values.put(field_name, .{ .string = v });
	154	try config_header.values.put(name, .{ .string = value });
155	155	return;
156	156	}
157	157	},