给const-match做一点小优化, 尝试减缓匿名量增长速度

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mindustry_logic_bang_lang"
-version = "0.16.0"
+version = "0.16.1"
 edition = "2021"
 
 authors = ["A4-Tacks <[email protected]>"]

tools/syntax/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "syntax"
-version = "0.2.20"
+version = "0.2.21"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

tools/syntax/src/lib.rs

@@ -36,6 +36,25 @@ macro_rules! impl_enum_froms {
         }
     )* };
 }
+macro_rules! impl_enum_try_into {
+    (impl TryInto for $ty:ty {$(
+        $variant:ident => $target:ty ;
+    )*}) => {
+        $(
+            impl TryFrom<$ty> for $target {
+                type Error = $ty;
+
+                fn try_from(value: $ty) -> Result<Self, Self::Error> {
+                    use $ty::*;
+                    match value {
+                        $variant(v) => Ok(v),
+                        this => Err(this),
+                    }
+                }
+            }
+        )*
+    };
+}
 macro_rules! impl_derefs {
     (impl $([$($t:tt)*])? for $ty:ty => ($self_:ident : $expr:expr): $res_ty:ty) => {
         impl $(<$($t)*>)? ::std::ops::Deref for $ty {
@@ -562,6 +581,12 @@ impl_enum_froms!(impl From for Value {
     BuiltinFunc => BuiltinFunc;
     ValueBindRef => ValueBindRef;
 });
+impl_enum_try_into!(impl TryInto for Value {
+    Var => Var;
+    DExp => DExp;
+    ValueBind => ValueBind;
+    ValueBindRef => ValueBindRef;
+});
 
 /// 一次性的迭代器格式化包装器
 struct IterFmtter<I> {
@@ -2830,6 +2855,11 @@ impl Compile for ConstMatch {
         let args = self.args.into_value_args(meta)
             .into_iter()
             .map(|value| {
+                if let Some(var) = value.as_var() {
+                    if meta.get_const_value(var).is_some() {
+                        return value.try_into().unwrap();
+                    }
+                }
                 let handle = meta.get_tmp_var();
                 Const(
                     handle.clone().into(),