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Slint: make the abs work with unit types

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This commit is contained in:
Olivier Goffart 2024-05-08 17:44:25 +02:00
parent 8dcd9713ff
commit 0929e3dfc1
6 changed files with 96 additions and 3 deletions
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42
internal/compiler/builtin_macros.rs
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@ -26,6 +26,7 @@ pub fn lower_macro(
BuiltinMacroFunction::Max => min_max_macro(n, MinMaxOp::Max, sub_expr.collect(), diag),
BuiltinMacroFunction::Clamp => clamp_macro(n, sub_expr.collect(), diag),
BuiltinMacroFunction::Mod => mod_macro(n, sub_expr.collect(), diag),
BuiltinMacroFunction::Abs => abs_macro(n, sub_expr.collect(), diag),
BuiltinMacroFunction::Debug => debug_macro(n, sub_expr.collect(), diag),
BuiltinMacroFunction::CubicBezier => {
let mut has_error = None;
@ -183,6 +184,47 @@ fn mod_macro(
}
}
fn abs_macro(
node: Option<NodeOrToken>,
args: Vec<(Expression, Option<NodeOrToken>)>,
diag: &mut BuildDiagnostics,
) -> Expression {
if args.len() != 1 {
diag.push_error("Needs 1 argument".into(), &node);
return Expression::Invalid;
}
let ty = args[0].0.ty();
let ty = if ty.default_unit().is_some() || matches!(ty, Type::UnitProduct(_)) {
ty
} else {
Type::Float32
};
let source_location = node.map(|n| n.to_source_location());
let function = Box::new(Expression::BuiltinFunctionReference(
BuiltinFunction::Abs,
source_location.clone(),
));
if matches!(ty, Type::Float32) {
let arguments =
args.into_iter().map(|(e, n)| e.maybe_convert_to(ty.clone(), &n, diag)).collect();
Expression::FunctionCall { function, arguments, source_location }
} else {
Expression::Cast {
from: Expression::FunctionCall {
function,
arguments: args
.into_iter()
.map(|(a, _)| Expression::Cast { from: a.into(), to: Type::Float32 })
.collect(),
source_location,
}
.into(),
to: ty,
}
}
}
fn rgb_macro(
node: Option<NodeOrToken>,
args: Vec<(Expression, Option<NodeOrToken>)>,