Changeset c28ea4e for src/Common/PassVisitor.impl.h

Timestamp:

Nov 4, 2020, 2:56:30 PM (3 years ago)

Author:

Colby Alexander Parsons <caparsons@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

eeb5023

Parents:

4b30e8cc (diff), a3f5208a (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 plg.uwaterloo.ca:software/cfa/cfa-cc

File:

• src/Common/PassVisitor.impl.h (modified) (6 diffs)

src/Common/PassVisitor.impl.h

@@ -532 +532 @@
                         indexerAddId( &func );
                         maybeAccept_impl( node->type, *this );
-                        // function body needs to have the same scope as parameters - CompoundStmt will not enter
-                        // a new scope if inFunction is true
+                        // First remember that we are now within a function.
                         ValueGuard< bool > oldInFunction( inFunction );
                         inFunction = true;
+                        // The function body needs to have the same scope as parameters.
+                        // A CompoundStmt will not enter a new scope if atFunctionTop is true.
+                        ValueGuard< bool > oldAtFunctionTop( atFunctionTop );
+                        atFunctionTop = true;
                         maybeAccept_impl( node->statements, *this );
                         maybeAccept_impl( node->attributes, *this );
@@ -567 +570 @@
                         indexerAddId( &func );
                         maybeAccept_impl( node->type, *this );
-                        // function body needs to have the same scope as parameters - CompoundStmt will not enter
-                        // a new scope if inFunction is true
+                        // First remember that we are now within a function.
                         ValueGuard< bool > oldInFunction( inFunction );
                         inFunction = true;
+                        // The function body needs to have the same scope as parameters.
+                        // A CompoundStmt will not enter a new scope if atFunctionTop is true.
+                        ValueGuard< bool > oldAtFunctionTop( atFunctionTop );
+                        atFunctionTop = true;
                         maybeAccept_impl( node->statements, *this );
                         maybeAccept_impl( node->attributes, *this );
@@ -601 +607 @@
                         indexerAddId( &func );
                         maybeMutate_impl( node->type, *this );
-                        // function body needs to have the same scope as parameters - CompoundStmt will not enter
-                        // a new scope if inFunction is true
+                        // First remember that we are now within a function.
                         ValueGuard< bool > oldInFunction( inFunction );
                         inFunction = true;
+                        // The function body needs to have the same scope as parameters.
+                        // A CompoundStmt will not enter a new scope if atFunctionTop is true.
+                        ValueGuard< bool > oldAtFunctionTop( atFunctionTop );
+                        atFunctionTop = true;
                         maybeMutate_impl( node->statements, *this );
                         maybeMutate_impl( node->attributes, *this );
@@ -1007 +1016 @@
         VISIT_START( node );
         {
-                // do not enter a new scope if inFunction is true - needs to check old state before the assignment
-                ValueGuard< bool > oldInFunction( inFunction );
-                auto guard1 = makeFuncGuard( [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeEnter(); }, [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeLeave(); } );
+                // Do not enter a new scope if atFunctionTop is true, don't leave one either.
+                ValueGuard< bool > oldAtFunctionTop( atFunctionTop );
+                auto guard1 = makeFuncGuard( [this, go = !atFunctionTop]() { if ( go ) indexerScopeEnter(); }, [this, go = !atFunctionTop]() { if ( go ) indexerScopeLeave(); } );
                 auto guard2 = makeFuncGuard( [this]() { call_beginScope();   }, [this]() { call_endScope();     } );
-                inFunction = false;
+                atFunctionTop = false;
                 visitStatementList( node->kids );
         }
@@ -1021 +1030 @@
         VISIT_START( node );
         {
-                // do not enter a new scope if inFunction is true - needs to check old state before the assignment
-                ValueGuard< bool > oldInFunction( inFunction );
-                auto guard1 = makeFuncGuard( [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeEnter(); }, [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeLeave(); } );
+                // Do not enter a new scope if atFunctionTop is true, don't leave one either.
+                ValueGuard< bool > oldAtFunctionTop( atFunctionTop );
+                auto guard1 = makeFuncGuard( [this, go = !atFunctionTop]() { if ( go ) indexerScopeEnter(); }, [this, go = !atFunctionTop]() { if ( go ) indexerScopeLeave(); } );
                 auto guard2 = makeFuncGuard( [this]() { call_beginScope();   }, [this]() { call_endScope();     } );
-                inFunction = false;
+                atFunctionTop = false;
                 visitStatementList( node->kids );
         }
@@ -1035 +1044 @@
         MUTATE_START( node );
         {
-                // do not enter a new scope if inFunction is true - needs to check old state before the assignment
-                ValueGuard< bool > oldInFunction( inFunction );
-                auto guard1 = makeFuncGuard( [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeEnter(); }, [this, &oldInFunction]() { if ( ! oldInFunction.old ) indexerScopeLeave(); } );
+                // Do not enter a new scope if atFunctionTop is true, don't leave one either.
+                ValueGuard< bool > oldAtFunctionTop( atFunctionTop );
+                auto guard1 = makeFuncGuard( [this, go = !atFunctionTop]() { if ( go ) indexerScopeEnter(); }, [this, go = !atFunctionTop]() { if ( go ) indexerScopeLeave(); } );
                 auto guard2 = makeFuncGuard( [this]() { call_beginScope();   }, [this]() { call_endScope();     } );
-                inFunction = false;
+                atFunctionTop = false;
                 mutateStatementList( node->kids );
         }