Changeset 3e5dd913 for src/AST/TypeEnvironment.hpp

Timestamp:

Dec 16, 2020, 2:43:12 PM (2 years ago)

Author:

Fangren Yu <f37yu@…>

Branches:

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

Children:

53449a4

Parents:

13fece5

Message:

reimplement function type and eliminate deep copy

File:

• src/AST/TypeEnvironment.hpp (modified) (7 diffs)

src/AST/TypeEnvironment.hpp

@@ -55 +55 @@
 /// recorded. More investigation is needed.
 struct AssertCompare {
-        bool operator()( const DeclWithType * d1, const DeclWithType * d2 ) const {
-                int cmp = d1->name.compare( d2->name );
-                return cmp < 0 || ( cmp == 0 && d1->get_type() < d2->get_type() );
+        bool operator()( const VariableExpr * d1, const VariableExpr * d2 ) const {
+                int cmp = d1->var->name.compare( d2->var->name );
+                return cmp < 0 || ( cmp == 0 && d1->result < d2->result );
         }
 };
@@ -70 +70 @@
 
 /// Set of assertions pending satisfaction
-using AssertionSet = std::map< readonly<DeclWithType>, AssertionSetValue, AssertCompare >;
+using AssertionSet = std::map< const VariableExpr *, AssertionSetValue, AssertCompare >;
 
 /// Set of open variables
-using OpenVarSet = std::unordered_map< std::string, TypeDecl::Data >;
+using OpenVarSet = std::unordered_map< TypeInstType::TypeEnvKey, TypeDecl::Data >;
 
 /// Merges one set of open vars into another
@@ -89 +89 @@
 /// they bind to.
 struct EqvClass {
-        std::set< std::string > vars;
+        std::unordered_set< TypeInstType::TypeEnvKey > vars;
         ptr<Type> bound;
         bool allowWidening;
@@ -101 +101 @@
 
         /// Singleton class constructor from TypeDecl
-        EqvClass( const TypeDecl * decl )
-        : vars{ decl->name }, bound(), allowWidening( true ), data( decl ) {}
+        EqvClass( const TypeInstType * inst )
+        : vars{ *inst }, bound(), allowWidening( true ), data( inst->base ) {}
 
         /// Singleton class constructor from substitution
-        EqvClass( const std::string & v, const Type * b )
+        EqvClass( const TypeInstType::TypeEnvKey & v, const Type * b )
         : vars{ v }, bound( b ), allowWidening( false ), data( TypeDecl::Dtype, false ) {}
 
         /// Single-var constructor (strips qualifiers from bound type)
-        EqvClass( const std::string & v, const Type * b, bool w, const TypeDecl::Data & d )
+        EqvClass( const TypeInstType::TypeEnvKey & v, const Type * b, bool w, const TypeDecl::Data & d )
         : vars{ v }, bound( b ), allowWidening( w ), data( d ) {
                 reset_qualifiers( bound );
@@ -115 +115 @@
 
         /// Double-var constructor
-        EqvClass( const std::string & v, const std::string & u, bool w, const TypeDecl::Data & d )
+        EqvClass( const TypeInstType::TypeEnvKey & v, const TypeInstType::TypeEnvKey & u, bool w, const TypeDecl::Data & d )
         : vars{ v, u }, bound(), allowWidening( w ), data( d ) {}
 
@@ -131 +131 @@
 public:
         /// Finds the equivalence class containing a variable; nullptr for none such
-        const EqvClass * lookup( const std::string & var ) const;
+        const EqvClass * lookup( const TypeInstType::TypeEnvKey & var ) const;
 
         /// Add a new equivalence class for each type variable
@@ -207 +207 @@
 
         /// Private lookup API; returns array index of string, or env.size() for not found
-        ClassList::iterator internal_lookup( const std::string & );
+        ClassList::iterator internal_lookup( const TypeInstType::TypeEnvKey & );
 };