Changeset 262f085f

Timestamp:

May 5, 2017, 11:05:12 AM (8 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:

45a4ea7

Parents:

bdd0755

Message:

add version of CodeGen::generate for a single node for use in gdb

Location:

src

Files:

• CodeGen/CodeGenerator.cc (modified) (1 diff)
• CodeGen/Generate.cc (modified) (2 diffs)
• CodeGen/Generate.h (modified) (1 diff)
• SynTree/BaseSyntaxNode.h (modified) (1 diff)
• SynTree/SynTree.h (modified) (1 diff)

src/CodeGen/CodeGenerator.cc

@@ -772 +772 @@
         void CodeGenerator::visit( ExprStmt * exprStmt ) {
                 assert( exprStmt );
-                // cast the top-level expression to void to reduce gcc warnings.
-                Expression * expr = new CastExpr( exprStmt->get_expr() );
+                Expression * expr = exprStmt->get_expr();
+                if ( genC ) {
+                        // cast the top-level expression to void to reduce gcc warnings.
+                        expr = new CastExpr( expr );
+                }
                 expr->accept( *this );
                 output << ";";

src/CodeGen/Generate.cc

@@ -22 +22 @@
 #include "SynTree/Declaration.h"
 #include "CodeGenerator.h"
-#include "Tuples/Tuples.h"
+#include "GenType.h"
+#include "SynTree/SynTree.h"
+#include "SynTree/Type.h"
+#include "SynTree/BaseSyntaxNode.h"
+// #include "Tuples/Tuples.h"
 
 using namespace std;
@@ -39 +43 @@
                 } // for
         }
+
+        void generate( BaseSyntaxNode * node, std::ostream & os ) {
+                if ( Type * type = dynamic_cast< Type * >( node ) ) {
+                        os << CodeGen::genPrettyType( type, "" );
+                } else {
+                        CodeGen::CodeGenerator cgv( os, true, false );
+                        node->accept( cgv );
+                }
+                os << std::endl;
+        }
 } // namespace CodeGen
 

src/CodeGen/Generate.h

@@ -25 +25 @@
         /// Generates code. doIntrinsics determines if intrinsic functions are printed, pretty formats output nicely (e.g., uses unmangled names, etc.), generateC is true when the output must consist only of C code (allows some assertions, etc.)
         void generate( std::list< Declaration* > translationUnit, std::ostream &os, bool doIntrinsics, bool pretty, bool generateC = false );
+
+        /// Generate code for a single node -- helpful for debugging in gdb
+        void generate( BaseSyntaxNode * node, std::ostream & os );
 } // namespace CodeGen
 

src/SynTree/BaseSyntaxNode.h

@@ -18 +18 @@
 
 #include "Common/utility.h"
+#include "Visitor.h"
 
 class BaseSyntaxNode {
   public:
         CodeLocation location;
+
+        virtual void accept( Visitor & v ) = 0; // temporary -- needs to be here so that BaseSyntaxNode is polymorphic and can be dynamic_cast
 };
 

src/SynTree/SynTree.h

@@ -21 +21 @@
 #include <map>
 #include <iostream>
+
+class BaseSyntaxNode;
 
 class Declaration;