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builder: implement integer options

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This commit is contained in:
Vincent Rischmann 2020-08-19 23:21:16 +02:00 committed by Andrew Kelley
parent a237283d90
commit b0846b6ecb
1 changed files with 27 additions and 1 deletions
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28
lib/std/build.zig
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@ -449,7 +449,33 @@ pub const Builder = struct {
return null;
},
},
.Int => panic("TODO integer options to build script", .{}),
.Int => switch (entry.value.value) {
.Flag => {
warn("Expected -D{} to be an integer, but received a boolean.\n", .{name});
self.markInvalidUserInput();
return null;
},
.Scalar => |s| {
const n = std.fmt.parseInt(T, s, 10) catch |err| switch (err) {
error.Overflow => {
warn("-D{} value {} cannot fit into type {}.\n", .{ name, s, @typeName(T) });
self.markInvalidUserInput();
return null;
},
else => {
warn("Expected -D{} to be an integer of type {}.\n", .{ name, @typeName(T) });
self.markInvalidUserInput();
return null;
},
};
return n;
},
.List => {
warn("Expected -D{} to be an integer, but received a list.\n", .{name});
self.markInvalidUserInput();
return null;
},
},
.Float => panic("TODO float options to build script", .{}),
.Enum => switch (entry.value.value) {
.Flag => {