Changeset ddb80bd for src

Timestamp:

Dec 22, 2017, 4:16:53 PM (6 years ago)

Author:

Rob Schluntz <rschlunt@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

fc9153d

Parents:

fdd0509

Message:

Add intValue helper function to ConstantExpr?

Location:

src/SynTree

Files:

• Expression.cc (modified) (1 diff)
• Expression.h (modified) (1 diff)

src/SynTree/Expression.cc

@@ -83 +83 @@
 }
 
+long long int ConstantExpr::intValue() const {
+        if ( BasicType * basicType = dynamic_cast< BasicType * >( result ) ) {
+                if ( basicType->isInteger() ) {
+                        return get_constant()->get_ival();
+                }
+        } else if ( dynamic_cast< OneType * >( result ) ) {
+                return 1;
+        } else if ( dynamic_cast< ZeroType * >( result ) ) {
+                return 0;
+        }
+        throw SemanticError( "Constant expression of non-integral type ", this );
+}
+
 VariableExpr::VariableExpr( DeclarationWithType *_var ) : Expression(), var( _var ) {
         assert( var );

src/SynTree/Expression.h

@@ -295 +295 @@
 
         Constant * get_constant() { return & constant; }
+        const Constant * get_constant() const { return & constant; }
         void set_constant( const Constant & newValue ) { constant = newValue; }
+
+        long long int intValue() const;
 
         virtual ConstantExpr * clone() const { return new ConstantExpr( * this ); }