Changeset d807ca28 for src/CodeGen

Timestamp:

May 25, 2018, 5:01:37 PM (7 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, with_gc

Children:

3ed994e

Parents:

2c88368

git-author:

Rob Schluntz <rschlunt@…> (05/25/18 16:59:30)

git-committer:

Rob Schluntz <rschlunt@…> (05/25/18 17:01:37)

Message:

Add AST support for _Generic, along with C codegen

Location:

src/CodeGen

Files:

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

src/CodeGen/CodeGenerator.cc

@@ -826 +826 @@
                 expr->expr->accept( *visitor );
         }
+
+        void CodeGenerator::postvisit( GenericExpr * expr ) {
+                assertf( ! genC, "C11 _Generic expressions should not reach code generation." );
+                output << "_Generic(";
+                expr->control->accept( *visitor );
+                output << ", ";
+                unsigned int numAssocs = expr->associations.size();
+                unsigned int i = 0;
+                for ( GenericExpr::Association & assoc : expr->associations ) {
+                        if (assoc.isDefault) {
+                                output << "default: ";
+                        } else {
+                                output << genType( assoc.type, "", pretty, genC ) << ": ";
+                        }
+                        assoc.expr->accept( *visitor );
+                        if ( i+1 != numAssocs ) {
+                                output << ", ";
+                        }
+                        i++;
+                }
+                output << ")";
+        }
+
 
         // *** Statements

src/CodeGen/CodeGenerator.h

@@ -94 +94 @@
                 void postvisit( ConstructorExpr * );
                 void postvisit( DeletedExpr * );
+                void postvisit( GenericExpr * );
 
                 //*** Statements