Changeset 9bdb8b7 for src/ControlStruct/MLEMutator.cc

Timestamp:

Oct 25, 2019, 5:44:25 PM (5 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

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

Children:

c3a2007

Parents:

89124ff

Message:

allow labelled break from within the body of a try statement

File:

• src/ControlStruct/MLEMutator.cc (modified) (2 diffs)

src/ControlStruct/MLEMutator.cc

@@ -10 +10 @@
 // Created On       : Mon May 18 07:44:20 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar  8 17:08:25 2018
-// Update Count     : 219
+// Last Modified On : Tue Oct 22 17:22:44 2019
+// Update Count     : 220
 //
 
@@ -313 +313 @@
         }
 
+        void MLEMutator::premutate( TryStmt * tryStmt ) {
+                // generate a label for breaking out of a labeled if
+                bool labeledBlock = !(tryStmt->get_labels().empty());
+                if ( labeledBlock ) {
+                        Label brkLabel = generator->newLabel("blockBreak", tryStmt);
+                        enclosingControlStructures.push_back( Entry( tryStmt, brkLabel ) );
+                        GuardAction( [this]() { enclosingControlStructures.pop_back(); } );
+                } // if
+        }
+
+        Statement * MLEMutator::postmutate( TryStmt * tryStmt ) {
+                bool labeledBlock = !(tryStmt->get_labels().empty());
+                if ( labeledBlock ) {
+                        if ( ! enclosingControlStructures.back().useBreakExit().empty() ) {
+                                set_breakLabel( enclosingControlStructures.back().useBreakExit() );
+                        } // if
+                } // if
+                return tryStmt;
+        }
+
         void MLEMutator::premutate( CaseStmt *caseStmt ) {
                 visit_children = false;