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std.Build.ConfigHeaderStep: support more types

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This commit is contained in:
Andrew Kelley 2023-01-31 14:57:20 -07:00
parent 2f5892671e
commit 3c1fc3f566
1 changed files with 44 additions and 32 deletions
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76
lib/std/Build/ConfigHeaderStep.zig
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@ -61,39 +61,51 @@ pub fn addValues(self: *ConfigHeaderStep, values: anytype) void {
fn addValuesInner(self: *ConfigHeaderStep, values: anytype) !void {
inline for (@typeInfo(@TypeOf(values)).Struct.fields) |field| {
switch (@typeInfo(field.type)) {
.Null => {
try self.values.put(field.name, .undef);
},
.Void => {
try self.values.put(field.name, .defined);
},
.Bool => {
try self.values.put(field.name, .{ .boolean = @field(values, field.name) });
},
.ComptimeInt => {
try self.values.put(field.name, .{ .int = @field(values, field.name) });
},
.EnumLiteral => {
try self.values.put(field.name, .{ .ident = @tagName(@field(values, field.name)) });
},
.Pointer => |ptr| {
switch (@typeInfo(ptr.child)) {
.Array => |array| {
if (ptr.size == .One and array.child == u8) {
try self.values.put(field.name, .{ .string = @field(values, field.name) });
continue;
}
},
else => {},
}
try putValue(self, field.name, field.type, @field(values, field.name));
}
}
@compileError("unsupported ConfigHeaderStep value type: " ++
@typeName(field.type));
},
else => @compileError("unsupported ConfigHeaderStep value type: " ++
@typeName(field.type)),
}
fn putValue(self: *ConfigHeaderStep, field_name: []const u8, comptime T: type, v: T) !void {
switch (@typeInfo(T)) {
.Null => {
try self.values.put(field_name, .undef);
},
.Void => {
try self.values.put(field_name, .defined);
},
.Bool => {
try self.values.put(field_name, .{ .boolean = v });
},
.Int => {
try self.values.put(field_name, .{ .int = v });
},
.ComptimeInt => {
try self.values.put(field_name, .{ .int = v });
},
.EnumLiteral => {
try self.values.put(field_name, .{ .ident = @tagName(v) });
},
.Optional => {
if (v) |x| {
return putValue(self, field_name, @TypeOf(x), x);
} else {
try self.values.put(field_name, .undef);
}
},
.Pointer => |ptr| {
switch (@typeInfo(ptr.child)) {
.Array => |array| {
if (ptr.size == .One and array.child == u8) {
try self.values.put(field_name, .{ .string = v });
return;
}
},
else => {},
}
@compileError("unsupported ConfigHeaderStep value type: " ++ @typeName(T));
},
else => @compileError("unsupported ConfigHeaderStep value type: " ++ @typeName(T)),
}
}