Changeset 3403534 for src/InitTweak/InitTweak.cc

Timestamp:

Sep 4, 2016, 10:34:35 PM (9 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, ctor, 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:

f04a8b81

Parents:

28307be (diff), b16898e (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' of plg2:software/cfa/cfa-cc

File:

• src/InitTweak/InitTweak.cc (modified) (6 diffs)

src/InitTweak/InitTweak.cc

@@ -7 +7 @@
 #include "SynTree/Attribute.h"
 #include "GenPoly/GenPoly.h"
+#include "ResolvExpr/typeops.h"
 
 namespace InitTweak {
@@ -79 +80 @@
         public:
                 ExprImpl( Expression * expr ) : arg( expr ) {}
+
+                ~ExprImpl() { delete arg; }
 
                 virtual std::list< Expression * > next( std::list< Expression * > & indices ) {
@@ -122 +125 @@
 
         void InitExpander::clearArrayIndices() {
+                deleteAll( indices );
                 indices.clear();
         }
@@ -228 +232 @@
                 return ! LinkageSpec::isBuiltin( objDecl->get_linkage() ) &&
                         (objDecl->get_init() == NULL ||
-                                ( objDecl->get_init() != NULL && objDecl->get_init()->get_maybeConstructed() )) &&
-                        ! isDesignated( objDecl->get_init() )
+                                ( objDecl->get_init() != NULL && objDecl->get_init()->get_maybeConstructed() ))
                         && objDecl->get_storageClass() != DeclarationNode::Extern;
         }
@@ -387 +390 @@
                 virtual void visit( ApplicationExpr *applicationExpr ) { isConstExpr = false; }
                 virtual void visit( UntypedExpr *untypedExpr ) { isConstExpr = false; }
-                virtual void visit( NameExpr *nameExpr ) { isConstExpr = false; }
-                virtual void visit( CastExpr *castExpr ) { isConstExpr = false; }
+                virtual void visit( NameExpr *nameExpr ) {
+                        // xxx - temporary hack, because 0 and 1 really should be constexprs, even though they technically aren't in Cforall today
+                        if ( nameExpr->get_name() != "0" && nameExpr->get_name() != "1" ) isConstExpr = false;
+                }
+                // virtual void visit( CastExpr *castExpr ) { isConstExpr = false; }
+                virtual void visit( AddressExpr *addressExpr ) {
+                        // address of a variable or member expression is constexpr
+                        Expression * arg = addressExpr->get_arg();
+                        if ( ! dynamic_cast< NameExpr * >( arg) && ! dynamic_cast< VariableExpr * >( arg ) && ! dynamic_cast< MemberExpr * >( arg ) && ! dynamic_cast< UntypedMemberExpr * >( arg ) ) isConstExpr = false;
+                }
                 virtual void visit( LabelAddressExpr *labAddressExpr ) { isConstExpr = false; }
                 virtual void visit( UntypedMemberExpr *memberExpr ) { isConstExpr = false; }
                 virtual void visit( MemberExpr *memberExpr ) { isConstExpr = false; }
                 virtual void visit( VariableExpr *variableExpr ) { isConstExpr = false; }
-                virtual void visit( ConstantExpr *constantExpr ) { /* bottom out */ }
                 // these might be okay?
                 // virtual void visit( SizeofExpr *sizeofExpr );
@@ -436 +446 @@
         bool isDestructor( const std::string & str ) { return str == "^?{}"; }
         bool isCtorDtor( const std::string & str ) { return isConstructor( str ) || isDestructor( str ); }
+
+        FunctionDecl * isCopyConstructor( Declaration * decl ) {
+                FunctionDecl * function = dynamic_cast< FunctionDecl * >( decl );
+                if ( ! function ) return 0;
+                if ( ! isConstructor( function->get_name() ) ) return 0;
+                FunctionType * ftype = function->get_functionType();
+                if ( ftype->get_parameters().size() != 2 ) return 0;
+
+                Type * t1 = ftype->get_parameters().front()->get_type();
+                Type * t2 = ftype->get_parameters().back()->get_type();
+                PointerType * ptrType = dynamic_cast< PointerType * > ( t1 );
+                assert( ptrType );
+
+                if ( ResolvExpr::typesCompatible( ptrType->get_base(), t2, SymTab::Indexer() ) ) {
+                        return function;
+                } else {
+                        return 0;
+                }
+        }
 }