Changeset e9a3b20b for src/SynTree

Timestamp:

Jun 21, 2017, 5:47:52 PM (8 years ago)

Author:

Peter A. Buhr <pabuhr@…>

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:

1a18423, 2c37f34, 925b7f4, 969ee0df, fda8168

Parents:

d56e5bc (diff), 06edda0 (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

Location:

src/SynTree

Files:

• BaseSyntaxNode.h (modified) (1 diff)
• Expression.cc (modified) (4 diffs)
• Expression.h (modified) (3 diffs)
• Mutator.cc (modified) (1 diff)
• Mutator.h (modified) (1 diff)
• ObjectDecl.cc (modified) (1 diff)
• Statement.cc (modified) (2 diffs)
• Statement.h (modified) (3 diffs)
• Visitor.cc (modified) (1 diff)
• Visitor.h (modified) (2 diffs)

src/SynTree/BaseSyntaxNode.h ¶

@@ -24 +24 @@
         CodeLocation location;
 
-        virtual void accept( Visitor & v ) = 0; // temporary -- needs to be here so that BaseSyntaxNode is polymorphic and can be dynamic_cast
+        virtual ~BaseSyntaxNode() {}
+
+        virtual void accept( Visitor & v ) = 0;
 };
 

src/SynTree/Expression.cc ¶

@@ -288 +288 @@
 }
 
-// CastExpr *CastExpr::clone() const { return 0; }
-
 void CastExpr::print( std::ostream &os, int indent ) const {
         os << "Cast of:" << std::endl << std::string( indent+2, ' ' );
@@ -355 +353 @@
 }
 
-//// is this right? It's cloning the member, but the member is a declaration so probably shouldn't be cloned...
 MemberExpr::MemberExpr( const MemberExpr &other ) :
                 Expression( other ), member( other.member ), aggregate( maybeClone( other.aggregate ) ) {
@@ -361 +358 @@
 
 MemberExpr::~MemberExpr() {
-        // delete member;
+        // don't delete the member declaration, since it points somewhere else in the tree
         delete aggregate;
 }
@@ -591 +588 @@
 }
 
-UntypedValofExpr::UntypedValofExpr( const UntypedValofExpr & other ) : Expression( other ), body ( maybeClone( other.body ) ) {}
-
-UntypedValofExpr::~UntypedValofExpr() { delete body; }
-
-void UntypedValofExpr::print( std::ostream &os, int indent ) const {
-        os << std::string( indent, ' ' ) << "Valof Expression: " << std::endl;
-        if ( get_body() != 0 )
-                get_body()->print( os, indent + 2 );
-}
-
 RangeExpr::RangeExpr( Expression *low, Expression *high ) : low( low ), high( high ) {}
 RangeExpr::RangeExpr( const RangeExpr &other ) : Expression( other ), low( other.low->clone() ), high( other.high->clone() ) {}

src/SynTree/Expression.h ¶

@@ -226 +226 @@
 };
 
-/// MemberExpr represents a member selection operation, e.g. q.p after processing by the expression analyzer
+/// MemberExpr represents a member selection operation, e.g. q.p after processing by the expression analyzer.
+/// Does not take ownership of member.
 class MemberExpr : public Expression {
   public:
@@ -247 +248 @@
 };
 
-/// VariableExpr represents an expression that simply refers to the value of a named variable
+/// VariableExpr represents an expression that simply refers to the value of a named variable.
+/// Does not take ownership of var.
 class VariableExpr : public Expression {
   public:
@@ -598 +600 @@
 };
 
-/// ValofExpr represents a GCC 'lambda expression'
-class UntypedValofExpr : public Expression {
-  public:
-        UntypedValofExpr( Statement *_body, Expression *_aname = nullptr ) : Expression( _aname ), body ( _body ) {}
-        UntypedValofExpr( const UntypedValofExpr & other );
-        virtual ~UntypedValofExpr();
-
-        Expression * get_value();
-        Statement * get_body() const { return body; }
-
-        virtual UntypedValofExpr * clone() const { return new UntypedValofExpr( * this ); }
-        virtual void accept( Visitor & v ) { v.visit( this ); }
-        virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); }
-        virtual void print( std::ostream & os, int indent = 0 ) const;
-  private:
-        Statement * body;
-};
-
 /// RangeExpr represents a range e.g. '3 ... 5' or '1~10'
 class RangeExpr : public Expression {

src/SynTree/Mutator.cc ¶

@@ -380 +380 @@
 }
 
-Expression *Mutator::mutate( UntypedValofExpr *valofExpr ) {
-        valofExpr->set_env( maybeMutate( valofExpr->get_env(), *this ) );
-        valofExpr->set_result( maybeMutate( valofExpr->get_result(), *this ) );
-        return valofExpr;
-}
-
 Expression *Mutator::mutate( RangeExpr *rangeExpr ) {
         rangeExpr->set_env( maybeMutate( rangeExpr->get_env(), *this ) );

src/SynTree/Mutator.h ¶

@@ -78 +78 @@
         virtual Expression* mutate( ConstructorExpr *ctorExpr );
         virtual Expression* mutate( CompoundLiteralExpr *compLitExpr );
-        virtual Expression* mutate( UntypedValofExpr *valofExpr );
         virtual Expression* mutate( RangeExpr *rangeExpr );
         virtual Expression* mutate( UntypedTupleExpr *tupleExpr );

src/SynTree/ObjectDecl.cc ¶

@@ -56 +56 @@
 
         if ( init ) {
-                os << " with initializer ";
-                init->print( os, indent );
-                os << std::endl << std::string(indent, ' ');
+                os << " with initializer " << std::endl;
+                init->print( os, indent+2 );
+                os << std::endl << std::string(indent+2, ' ');
                 os << "maybeConstructed? " << init->get_maybeConstructed();
         } // if

src/SynTree/Statement.cc ¶

@@ -313 +313 @@
 }
 
-TryStmt::TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &_handlers, FinallyStmt *_finallyBlock ) :
+TryStmt::TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<CatchStmt *> &_handlers, FinallyStmt *_finallyBlock ) :
         Statement( labels ), block( tryBlock ),  handlers( _handlers ), finallyBlock( _finallyBlock ) {
 }
@@ -334 +334 @@
         // handlers
         os << string( indent + 2, ' ' ) << "and handlers: " << endl;
-        for ( std::list<Statement *>::const_iterator i = handlers.begin(); i != handlers.end(); i++)
+        for ( std::list<CatchStmt *>::const_iterator i = handlers.begin(); i != handlers.end(); i++)
                 (*i )->print( os, indent + 4 );
 

src/SynTree/Statement.h ¶

@@ -315 +315 @@
 class TryStmt : public Statement {
   public:
-        TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &handlers, FinallyStmt *finallyBlock = 0 );
+        TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<CatchStmt *> &handlers, FinallyStmt *finallyBlock = 0 );
         TryStmt( const TryStmt &other );
         virtual ~TryStmt();
@@ -321 +321 @@
         CompoundStmt *get_block() const { return block; }
         void set_block( CompoundStmt *newValue ) { block = newValue; }
-        std::list<Statement *>& get_catchers() { return handlers; }
+        std::list<CatchStmt *>& get_catchers() { return handlers; }
 
         FinallyStmt *get_finally() const { return finallyBlock; }
@@ -333 +333 @@
   private:
         CompoundStmt *block;
-        std::list<Statement *> handlers;
+        std::list<CatchStmt *> handlers;
         FinallyStmt *finallyBlock;
 };

src/SynTree/Visitor.cc ¶

@@ -301 +301 @@
 }
 
-void Visitor::visit( UntypedValofExpr *valofExpr ) {
-        maybeAccept( valofExpr->get_result(), *this );
-        maybeAccept( valofExpr->get_body(), *this );
-}
-
 void Visitor::visit( RangeExpr *rangeExpr ) {
         maybeAccept( rangeExpr->get_low(), *this );

src/SynTree/Visitor.h ¶

@@ -81 +81 @@
         virtual void visit( ConstructorExpr * ctorExpr );
         virtual void visit( CompoundLiteralExpr *compLitExpr );
-        virtual void visit( UntypedValofExpr *valofExpr );
         virtual void visit( RangeExpr *rangeExpr );
         virtual void visit( UntypedTupleExpr *tupleExpr );
@@ -163 +162 @@
                         } // if
                 } catch( SemanticError &e ) {
-                        e.set_location( (*i)->location );                       
+                        e.set_location( (*i)->location );
                         errors.append( e );
                 } // try