Changeset daf1af8 for src/SynTree

Timestamp:

Jun 8, 2017, 5:04:55 PM (7 years ago)

Author:

Andrew Beach <ajbeach@…>

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:

cfaabe2c

Parents:

28762a1

Message:

Added a new ThrowStmt? node to the Syntax Tree.

Location:

src/SynTree

Files:

• Mutator.cc (modified) (2 diffs)
• Mutator.h (modified) (2 diffs)
• Statement.cc (modified) (4 diffs)
• Statement.h (modified) (4 diffs)
• SynTree.h (modified) (2 diffs)
• Visitor.cc (modified) (2 diffs)
• Visitor.h (modified) (2 diffs)

src/SynTree/Mutator.cc

@@ -9 +9 @@
 // Author           : Richard C. Bilson
 // Created On       : Mon May 18 07:44:20 2015
-// Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 30 16:45:19 2017
-// Update Count     : 22
+// Last Modified By : Andrew Beach
+// Last Modified On : Thu Mar  8 16:36:00 2017
+// Update Count     : 23
 //
 
@@ -153 +153 @@
 }
 
+Statement *Mutator::mutate( ThrowStmt *throwStmt ) {
+        throwStmt->set_expr( maybeMutate( throwStmt->get_expr(), *this ) );
+        throwStmt->set_target( maybeMutate( throwStmt->get_target(), *this ) );
+        return throwStmt;
+}
+
 Statement *Mutator::mutate( TryStmt *tryStmt ) {
         tryStmt->set_block( maybeMutate( tryStmt->get_block(), *this ) );

src/SynTree/Mutator.h

@@ -9 +9 @@
 // Author           : Richard C. Bilson
 // Created On       : Mon May 18 07:44:20 2015
-// Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Feb  9 14:23:23 2017
-// Update Count     : 13
+// Last Modified By : Andrew Beach
+// Last Modified On : Thu Jun  8 15:45:00 2017
+// Update Count     : 14
 //
 #include <cassert>
@@ -46 +46 @@
         virtual Statement* mutate( BranchStmt *branchStmt );
         virtual Statement* mutate( ReturnStmt *returnStmt );
-        virtual Statement* mutate( TryStmt *returnStmt );
+        virtual Statement* mutate( ThrowStmt *throwStmt );
+        virtual Statement* mutate( TryStmt *tryStmt );
         virtual Statement* mutate( CatchStmt *catchStmt );
         virtual Statement* mutate( FinallyStmt *catchStmt );

src/SynTree/Statement.cc

@@ -9 +9 @@
 // Author           : Richard C. Bilson
 // Created On       : Mon May 18 07:44:20 2015
-// Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Aug 12 13:58:48 2016
-// Update Count     : 62
+// Last Modified By : Andrew Beach
+// Last Modified On : Thr Jun 08 16:22:00 2017
+// Update Count     : 63
 //
 
@@ -101 +101 @@
 }
 
-ReturnStmt::ReturnStmt( std::list<Label> labels, Expression *_expr, bool throwP ) : Statement( labels ), expr( _expr ), isThrow( throwP ) {}
-
-ReturnStmt::ReturnStmt( const ReturnStmt & other ) : Statement( other ), expr( maybeClone( other.expr ) ), isThrow( other.isThrow ) {}
+ReturnStmt::ReturnStmt( std::list<Label> labels, Expression *_expr ) : Statement( labels ), expr( _expr ) {}
+
+ReturnStmt::ReturnStmt( const ReturnStmt & other ) : Statement( other ), expr( maybeClone( other.expr ) ) {}
 
 ReturnStmt::~ReturnStmt() {
@@ -110 +110 @@
 
 void ReturnStmt::print( std::ostream &os, int indent ) const {
-        os << string ( isThrow? "Throw":"Return" ) << " Statement, returning: ";
+        os <<  "Return Statement, returning: ";
         if ( expr != 0 ) {
                 os << endl << string( indent+2, ' ' );
@@ -285 +285 @@
 
         os << endl;
+}
+
+ThrowStmt::ThrowStmt( std::list<Label> labels, Kind kind, Expression * expr, Expression * target ) :
+                Statement( labels ), kind(kind), expr(expr), target(target)     {
+        assertf(Resume == kind || nullptr == target, "Non-local termination throw is not accepted." );
+}
+
+ThrowStmt::ThrowStmt( const ThrowStmt &other ) :
+        Statement ( other ), kind( other.kind ), expr( maybeClone( other.expr ) ), target( maybeClone( other.target ) ) {
+}
+
+ThrowStmt::~ThrowStmt() {
+        delete expr;
+        delete target;
+}
+
+void ThrowStmt::print( std::ostream &os, int indent) const {
+        if ( target ) {
+                os << "Non-Local ";
+        }
+        os << "Throw Statement, raising: ";
+        expr->print(os, indent + 4);
+        if ( target ) {
+                os << "At: ";
+                target->print(os, indent + 4);
+        }
 }
 

src/SynTree/Statement.h

@@ -9 +9 @@
 // Author           : Richard C. Bilson
 // Created On       : Mon May 18 07:44:20 2015
-// Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Aug 12 13:57:46 2016
-// Update Count     : 65
+// Last Modified By : Andrew Beach
+// Last Modified On : Thr Jun 08 18:39:00 2017
+// Update Count     : 66
 //
 
@@ -57 +57 @@
   private:
         std::list<Statement*> kids;
+};
+
+class NullStmt : public CompoundStmt {
+  public:
+        NullStmt();
+        NullStmt( std::list<Label> labels );
+
+        virtual NullStmt *clone() const { return new NullStmt( *this ); }
+        virtual void accept( Visitor &v ) { v.visit( this ); }
+        virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
+        virtual void print( std::ostream &os, int indent = 0 ) const;
+
+  private:
 };
 
@@ -261 +274 @@
 class ReturnStmt : public Statement {
   public:
-        ReturnStmt( std::list<Label> labels, Expression *expr, bool throwP = false );
+        ReturnStmt( std::list<Label> labels, Expression *expr );
         ReturnStmt( const ReturnStmt &other );
         virtual ~ReturnStmt();
@@ -274 +287 @@
   private:
         Expression *expr;
-        bool isThrow;
-};
-
-
-class NullStmt : public CompoundStmt {
-  public:
-        NullStmt();
-        NullStmt( std::list<Label> labels );
-
-        virtual NullStmt *clone() const { return new NullStmt( *this ); }
-        virtual void accept( Visitor &v ) { v.visit( this ); }
-        virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); }
-        virtual void print( std::ostream &os, int indent = 0 ) const;
-
-  private:
+};
+
+class ThrowStmt : public Statement {
+  public:
+        enum Kind { Terminate, Resume };
+
+        ThrowStmt( std::list<Label> labels, Kind kind, Expression * expr,
+                   Expression * target = nullptr );
+        ThrowStmt( const ThrowStmt &other );
+        virtual ~ThrowStmt();
+
+
+        Kind get_kind() { return kind; }
+        Expression * get_expr() { return expr; }
+        void set_expr( Expression * newExpr ) { expr = newExpr; }
+        Expression * get_target() { return target; }
+        void set_target( Expression * newTarget ) { target = newTarget; }
+
+        virtual ThrowStmt *clone() const { return new ThrowStmt( *this ); }
+        virtual void accept( Visitor &v ) { v.visit( this ); }
+        virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); }
+        virtual void print( std::ostream &os, int indent = 0 ) const;
+  private:
+        Kind kind;
+        Expression * expr;
+        Expression * target;
 };
 

src/SynTree/SynTree.h

@@ -9 +9 @@
 // Author           : Richard C. Bilson
 // Created On       : Mon May 18 07:44:20 2015
-// Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Feb  9 14:23:49 2017
-// Update Count     : 8
+// Last Modified By : Andrew Beach
+// Last Modified On : Thu Jun  8 17:00:00 2017
+// Update Count     : 9
 //
 
@@ -51 +51 @@
 class BranchStmt;
 class ReturnStmt;
+class ThrowStmt;
 class TryStmt;
 class CatchStmt;

src/SynTree/Visitor.cc

@@ -9 +9 @@
 // Author           : Richard C. Bilson
 // Created On       : Mon May 18 07:44:20 2015
-// Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar 30 16:45:25 2017
-// Update Count     : 24
+// Last Modified By : Andrew Beach
+// Last Modified On : Thu Jun  8 16:31:00 2017
+// Update Count     : 25
 //
 
@@ -129 +129 @@
 }
 
+void Visitor::visit( ThrowStmt * throwStmt ) {
+        maybeAccept( throwStmt->get_expr(), *this );
+        maybeAccept( throwStmt->get_target(), *this );
+}
+
 void Visitor::visit( TryStmt *tryStmt ) {
         maybeAccept( tryStmt->get_block(), *this );

src/SynTree/Visitor.h

@@ -10 +10 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Andrew Beach
-// Last Modified On : Wed May  3 08:58:00 2017
-// Update Count     : 10
+// Last Modified On : Thr Jun 08 15:45:00 2017
+// Update Count     : 11
 //
 
@@ -49 +49 @@
         virtual void visit( BranchStmt *branchStmt );
         virtual void visit( ReturnStmt *returnStmt );
+        virtual void visit( ThrowStmt *throwStmt );
         virtual void visit( TryStmt *tryStmt );
         virtual void visit( CatchStmt *catchStmt );