Changeset 85855b0 for src/ResolvExpr/CastCost.cpp

Timestamp:

Jun 10, 2024, 2:43:13 AM (2 months ago)

Author:

JiadaL <j82liang@…>

Branches:

master

Children:

42cdd07d

Parents:

d68de59

Message:

1. Implement enum cast; 2. Change valueE so that opague enum returns quasi_void; 3. change enum hiding interpretation and pass visiting scheme

File:

• src/ResolvExpr/CastCost.cpp (modified) (3 diffs)

src/ResolvExpr/CastCost.cpp

@@ -36 +36 @@
 namespace ResolvExpr {
 
+Cost castCost(
+        const ast::Type * src, const ast::Type * dst, bool srcIsLvalue,
+        const ast::SymbolTable & symtab, const ast::TypeEnvironment & env
+);
+
 namespace {
         struct CastCost : public ConversionCost {
@@ -45 +50 @@
                         const ast::TypeEnvironment & env, CostCalculation costFunc )
                 : ConversionCost( dst, srcIsLvalue, symtab, env, costFunc ) {}
+
+                void postvisit( const ast::EnumInstType * enumInst ) {
+                        cost = conversionCost( enumInst, dst, srcIsLvalue, symtab, env );
+                }
 
                 void postvisit( const ast::BasicType * basicType ) {
@@ -104 +113 @@
                                         cost = Cost::unsafe;
                                 }
-                        }
-                }
-
-                void postvist( const ast::EnumInstType * ) {
-                        if ( auto basic = dynamic_cast< const ast::BasicType * >(dst) ) {
-                                if ( basic->isInteger() ) cost = Cost::unsafe;
                         }
                 }