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Support negative numbers in cubic-bezier(...) function

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This commit is contained in:
Cole Lawrence 2023-04-28 14:16:30 -03:00 • committed by Olivier Goffart
parent c977c7bc73
commit 95e00c5621
3 changed files with 25 additions and 4 deletions
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15
internal/compiler/builtin_macros.rs
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@ -28,6 +28,8 @@ pub fn lower_macro(
BuiltinMacroFunction::Debug => debug_macro(n, sub_expr.collect(), diag),
BuiltinMacroFunction::CubicBezier => {
let mut has_error = None;
let expected_argument_type_error =
"Arguments to cubic bezier curve must be number literal";
// FIXME: this is not pretty to be handling there.
// Maybe "cubic_bezier" should be a function that is lowered later
let mut a = || match sub_expr.next() {
@ -36,11 +38,16 @@ pub fn lower_macro(
0.
}
Some((Expression::NumberLiteral(val, Unit::None), _)) => val as f32,
// handle negative numbers
Some((Expression::UnaryOp { sub, op: '-' }, n)) => match *sub {
Expression::NumberLiteral(val, Unit::None) => (-1.0 * val) as f32,
_ => {
has_error.get_or_insert((n, expected_argument_type_error));
0.
}
},
Some((_, n)) => {
has_error.get_or_insert((
n,
"Arguments to cubic bezier curve must be number literal",
));
has_error.get_or_insert((n, expected_argument_type_error));
0.
}
};