Changeset b067d9b for src/ResolvExpr/Unify.h

Timestamp:

Oct 29, 2019, 4:01:24 PM (6 years ago)

Author:

Thierry Delisle <tdelisle@…>

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:

773db65, 9421f3d8

Parents:

7951100 (diff), 8364209 (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/ResolvExpr/Unify.h (modified) (3 diffs)

src/ResolvExpr/Unify.h

@@ -9 +9 @@
 // Author           : Richard C. Bilson
 // Created On       : Sun May 17 13:09:04 2015
-// Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Jul 21 23:09:34 2017
-// Update Count     : 3
+// Last Modified By : Aaron B. Moss
+// Last Modified On : Mon Jun 18 11:58:00 2018
+// Update Count     : 4
 //
 
@@ -18 +18 @@
 #include <list>                   // for list
 
+#include "AST/Node.hpp"             // for ptr
+#include "AST/TypeEnvironment.hpp"  // for TypeEnvironment, AssertionSet, OpenVarSet
 #include "Common/utility.h"       // for deleteAll
 #include "SynTree/Declaration.h"  // for TypeDecl, TypeDecl::Data
 #include "TypeEnvironment.h"      // for AssertionSet, OpenVarSet
+#include "WidenMode.h"              // for WidenMode
 
 class Type;
 class TypeInstType;
 namespace SymTab {
-class Indexer;
-}  // namespace SymTab
+        class Indexer;
+}
+
+namespace ast {
+        class SymbolTable;
+        class Type;
+}
 
 namespace ResolvExpr {
-        struct WidenMode {
-                WidenMode( bool widenFirst, bool widenSecond ): widenFirst( widenFirst ), widenSecond( widenSecond ) {}
-                WidenMode &operator|=( const WidenMode &other ) { widenFirst |= other.widenFirst; widenSecond |= other.widenSecond; return *this; }
-                WidenMode &operator&=( const WidenMode &other ) { widenFirst &= other.widenFirst; widenSecond &= other.widenSecond; return *this; }
-                WidenMode operator|( const WidenMode &other ) { WidenMode newWM( *this ); newWM |= other; return newWM; }
-                WidenMode operator&( const WidenMode &other ) { WidenMode newWM( *this ); newWM &= other; return newWM; }
-                operator bool() { return widenFirst && widenSecond; }
-
-                bool widenFirst : 1, widenSecond : 1;
-        };
-
-        bool bindVar( TypeInstType *typeInst, Type *other, const TypeDecl::Data & data, TypeEnvironment &env, AssertionSet &needAssertions, AssertionSet &haveAssertions, const OpenVarSet &openVars, WidenMode widenMode, const SymTab::Indexer &indexer );
         bool unify( Type *type1, Type *type2, TypeEnvironment &env, AssertionSet &needAssertions, AssertionSet &haveAssertions, OpenVarSet &openVars, const SymTab::Indexer &indexer );
         bool unify( Type *type1, Type *type2, TypeEnvironment &env, AssertionSet &needAssertions, AssertionSet &haveAssertions, OpenVarSet &openVars, const SymTab::Indexer &indexer, Type *&commonType );
         bool unifyExact( Type *type1, Type *type2, TypeEnvironment &env, AssertionSet &needAssertions, AssertionSet &haveAssertions, OpenVarSet &openVars, const SymTab::Indexer &indexer );
+        bool unifyInexact( Type *type1, Type *type2, TypeEnvironment &env, AssertionSet &needAssertions, AssertionSet &haveAssertions, const OpenVarSet &openVars, WidenMode widen, const SymTab::Indexer &indexer, Type *&common );
 
         template< typename Iterator1, typename Iterator2 >
@@ -72 +69 @@
         }
 
+        bool unify( 
+                const ast::ptr<ast::Type> & type1, const ast::ptr<ast::Type> & type2, 
+                ast::TypeEnvironment & env, ast::AssertionSet & need, ast::AssertionSet & have, 
+                ast::OpenVarSet & open, const ast::SymbolTable & symtab );
+
+        bool unify( 
+                const ast::ptr<ast::Type> & type1, const ast::ptr<ast::Type> & type2, 
+                ast::TypeEnvironment & env, ast::AssertionSet & need, ast::AssertionSet & have, 
+                ast::OpenVarSet & open, const ast::SymbolTable & symtab, ast::ptr<ast::Type> & common );
+
+        bool unifyExact( 
+                const ast::Type * type1, const ast::Type * type2, ast::TypeEnvironment & env, 
+                ast::AssertionSet & need, ast::AssertionSet & have, const ast::OpenVarSet & open, 
+                WidenMode widen, const ast::SymbolTable & symtab );
+
+        bool unifyInexact( 
+                const ast::ptr<ast::Type> & type1, const ast::ptr<ast::Type> & type2, 
+                ast::TypeEnvironment & env, ast::AssertionSet & need, ast::AssertionSet & have, 
+                const ast::OpenVarSet & open, WidenMode widen, const ast::SymbolTable & symtab, 
+                ast::ptr<ast::Type> & common );
+
 } // namespace ResolvExpr