Changeset 58fe85a for src/GenPoly/Specialize.cc

Timestamp:

Jan 7, 2021, 3:27:00 PM (5 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

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

Children:

2b4daf2, 64aeca0

Parents:

3c64c668 (diff), eef8dfb (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' into park_unpark

File:

• src/GenPoly/Specialize.cc (modified) (5 diffs)

src/GenPoly/Specialize.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 Dec 13 23:40:49 2019
-// Update Count     : 32
+// Last Modified By : Andrew Beach
+// Last Modified On : Thr Jul  2 17:42:00 2020
+// Update Count     : 33
 //
 
@@ -42 +42 @@
 
 namespace GenPoly {
-        struct Specialize final : public WithConstTypeSubstitution, public WithStmtsToAdd, public WithVisitorRef<Specialize> {
+        struct Specialize final : public WithConstTypeSubstitution,
+                        public WithDeclsToAdd, public WithVisitorRef<Specialize> {
                 Expression * postmutate( ApplicationExpr *applicationExpr );
                 Expression * postmutate( CastExpr *castExpr );
@@ -217 +218 @@
                 thunkFunc->get_attributes().push_back( new Attribute( "unused" ) );
 
+                // Thunks at the global level must be static to avoid collisions between files.
+                // (Conversly thunks inside a function must be unique and not static.)
+                thunkFunc->storageClasses.is_static = !isInFunction();
+
                 // thread thunk parameters into call to actual function, naming thunk parameters as we go
                 UniqueName paramNamer( paramPrefix );
@@ -248 +253 @@
                 } // if
 
-                // handle any specializations that may still be present
-                std::string oldParamPrefix = paramPrefix;
-                paramPrefix += "p";
-                // save stmtsToAddBefore in oldStmts
-                std::list< Statement* > oldStmts;
-                oldStmts.splice( oldStmts.end(), stmtsToAddBefore );
-                appExpr->acceptMutator( *visitor );
-                paramPrefix = oldParamPrefix;
-                // write any statements added for recursive specializations into the thunk body
-                thunkFunc->statements->kids.splice( thunkFunc->statements->kids.end(), stmtsToAddBefore );
-                // restore oldStmts into stmtsToAddBefore
-                stmtsToAddBefore.splice( stmtsToAddBefore.end(), oldStmts );
+                // Handle any specializations that may still be present.
+                {
+                        std::string oldParamPrefix = paramPrefix;
+                        paramPrefix += "p";
+                        std::list< Declaration * > oldDecls;
+                        oldDecls.splice( oldDecls.end(), declsToAddBefore );
+
+                        appExpr->acceptMutator( *visitor );
+                        // Write recursive specializations into the thunk body.
+                        for ( Declaration * decl : declsToAddBefore ) {
+                                thunkFunc->statements->kids.push_back( new DeclStmt( decl ) );
+                        }
+
+                        declsToAddBefore = std::move( oldDecls );
+                        paramPrefix = oldParamPrefix;
+                }
 
                 // add return (or valueless expression) to the thunk
@@ -270 +279 @@
                 thunkFunc->statements->kids.push_back( appStmt );
 
-                // add thunk definition to queue of statements to add
-                stmtsToAddBefore.push_back( new DeclStmt( thunkFunc ) );
+                // Add the thunk definition (converted to DeclStmt if appproprate).
+                declsToAddBefore.push_back( thunkFunc );
                 // return address of thunk function as replacement expression
                 return new AddressExpr( new VariableExpr( thunkFunc ) );