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Improve reify syntax.

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This commit is contained in:
Stephen Chung
2022-02-08 09:25:53 +08:00
parent f8cee0fe4e
commit 97a8fd3d5b
5 changed files with 184 additions and 174 deletions
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20
src/api/custom_syntax.rs
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@@ -72,8 +72,8 @@ impl Expression<'_> {
pub fn get_string_value(&self) -> Option<&str> {
match self.0 {
#[cfg(not(feature = "no_module"))]
Expr::Variable(.., _, x) if x.1.is_some() => None,
Expr::Variable(.., _, x) => Some(x.2.as_str()),
Expr::Variable(.., x) if x.1.is_some() => None,
Expr::Variable(.., x) => Some(x.2.as_str()),
Expr::StringConstant(x, ..) => Some(x.as_str()),
_ => None,
}
@@ -94,19 +94,19 @@ impl Expression<'_> {
pub fn get_literal_value<T: Variant>(&self) -> Option<T> {
// Coded this way in order to maximally leverage potentials for dead-code removal.
match self.0 {
Expr::IntegerConstant(x, ..) => reify!(*x, |x: T| Some(x), || None),
Expr::IntegerConstant(x, ..) => reify!(*x => Option<T>),
#[cfg(not(feature = "no_float"))]
Expr::FloatConstant(x, ..) => reify!(*x, |x: T| Some(x), || None),
Expr::FloatConstant(x, ..) => reify!(*x => Option<T>),
Expr::CharConstant(x, ..) => reify!(*x, |x: T| Some(x), || None),
Expr::StringConstant(x, ..) => reify!(x.clone(), |x: T| Some(x), || None),
Expr::Variable(.., _, x) => {
Expr::CharConstant(x, ..) => reify!(*x => Option<T>),
Expr::StringConstant(x, ..) => reify!(x.clone() => Option<T>),
Expr::Variable(.., x) => {
let x: ImmutableString = x.2.clone().into();
reify!(x, |x: T| Some(x), || None)
reify!(x => Option<T>)
}
Expr::BoolConstant(x, ..) => reify!(*x, |x: T| Some(x), || None),
Expr::Unit(_) => reify!((), |x: T| Some(x), || None),
Expr::BoolConstant(x, ..) => reify!(*x => Option<T>),
Expr::Unit(..) => reify!(() => Option<T>),
_ => None,
}