Index: src/AST/Decl.cpp =================================================================== --- src/AST/Decl.cpp (revision db6cdc0f7e39fa424be65d849107ecd0c1e8e90b) +++ src/AST/Decl.cpp (revision ddcaff6dd92af1fcf2b1037d2c2eea3374254f99) @@ -125,5 +125,5 @@ } -std::ostream & operator<< ( std::ostream & out, const TypeDecl::Data & data ) { +std::ostream & operator<< ( std::ostream & out, const TypeData & data ) { return out << data.kind << ", " << data.isComplete; } Index: src/AST/Decl.hpp =================================================================== --- src/AST/Decl.hpp (revision db6cdc0f7e39fa424be65d849107ecd0c1e8e90b) +++ src/AST/Decl.hpp (revision ddcaff6dd92af1fcf2b1037d2c2eea3374254f99) @@ -10,6 +10,6 @@ // Created On : Thu May 9 10:00:00 2019 // Last Modified By : Andrew Beach -// Last Modified On : Thu May 5 12:09:00 2022 -// Update Count : 33 +// Last Modified On : Thu Nov 24 9:44:00 2022 +// Update Count : 34 // @@ -191,19 +191,4 @@ ptr init; - /// Data extracted from a type decl - struct Data { - Kind kind; - bool isComplete; - - Data() : kind( NUMBER_OF_KINDS ), isComplete( false ) {} - Data( const TypeDecl * d ) : kind( d->kind ), isComplete( d->sized ) {} - Data( Kind k, bool c ) : kind( k ), isComplete( c ) {} - Data( const Data & d1, const Data & d2 ) - : kind( d1.kind ), isComplete( d1.isComplete || d2.isComplete ) {} - - bool operator==( const Data & o ) const { return kind == o.kind && isComplete == o.isComplete; } - bool operator!=( const Data & o ) const { return !(*this == o); } - }; - TypeDecl( const CodeLocation & loc, const std::string & name, Storage::Classes storage, @@ -225,5 +210,20 @@ }; -std::ostream & operator<< ( std::ostream &, const TypeDecl::Data & ); +/// Data extracted from a TypeDecl. +struct TypeData { + TypeDecl::Kind kind; + bool isComplete; + + TypeData() : kind( TypeDecl::NUMBER_OF_KINDS ), isComplete( false ) {} + TypeData( const TypeDecl * d ) : kind( d->kind ), isComplete( d->sized ) {} + TypeData( TypeDecl::Kind k, bool c ) : kind( k ), isComplete( c ) {} + TypeData( const TypeData & d1, const TypeData & d2 ) + : kind( d1.kind ), isComplete( d1.isComplete || d2.isComplete ) {} + + bool operator==( const TypeData & o ) const { return kind == o.kind && isComplete == o.isComplete; } + bool operator!=( const TypeData & o ) const { return !(*this == o); } +}; + +std::ostream & operator<< ( std::ostream &, const TypeData & ); /// C-style typedef `typedef Foo Bar` Index: src/AST/Type.cpp =================================================================== --- src/AST/Type.cpp (revision db6cdc0f7e39fa424be65d849107ecd0c1e8e90b) +++ src/AST/Type.cpp (revision ddcaff6dd92af1fcf2b1037d2c2eea3374254f99) @@ -10,6 +10,6 @@ // Created On : Mon May 13 15:00:00 2019 // Last Modified By : Andrew Beach -// Last Modified On : Thu Jul 23 14:16:00 2020 -// Update Count : 5 +// Last Modified On : Thu Nov 24 9:49:00 2022 +// Update Count : 6 // @@ -147,4 +147,7 @@ // --- TypeInstType +TypeInstType::TypeInstType( const TypeEnvKey & key ) +: BaseInstType(key.base->name), base(key.base), kind(key.base->kind), formal_usage(key.formal_usage), expr_id(key.expr_id) {} + bool TypeInstType::operator==( const TypeInstType & other ) const { return base == other.base @@ -164,11 +167,11 @@ bool TypeInstType::isComplete() const { return base->sized; } -std::string TypeInstType::TypeEnvKey::typeString() const { +std::string TypeEnvKey::typeString() const { return std::string("_") + std::to_string(formal_usage) + "_" + std::to_string(expr_id) + "_" + base->name; } -bool TypeInstType::TypeEnvKey::operator==( - const TypeInstType::TypeEnvKey & other ) const { +bool TypeEnvKey::operator==( + const TypeEnvKey & other ) const { return base == other.base && formal_usage == other.formal_usage @@ -176,6 +179,6 @@ } -bool TypeInstType::TypeEnvKey::operator<( - const TypeInstType::TypeEnvKey & other ) const { +bool TypeEnvKey::operator<( + const TypeEnvKey & other ) const { // TypeEnvKey ordering is an arbitrary total ordering. // It doesn't mean anything but allows for a sorting. Index: src/AST/Type.hpp =================================================================== --- src/AST/Type.hpp (revision db6cdc0f7e39fa424be65d849107ecd0c1e8e90b) +++ src/AST/Type.hpp (revision ddcaff6dd92af1fcf2b1037d2c2eea3374254f99) @@ -10,6 +10,6 @@ // Created On : Thu May 9 10:00:00 2019 // Last Modified By : Andrew Beach -// Last Modified On : Wed Jul 14 15:54:00 2021 -// Update Count : 7 +// Last Modified On : Thu Nov 24 9:47:00 2022 +// Update Count : 8 // @@ -390,4 +390,6 @@ }; +struct TypeEnvKey; + /// instance of named type alias (typedef or variable) class TypeInstType final : public BaseInstType { @@ -401,20 +403,4 @@ int expr_id = 0; - // compact representation used for map lookups. - struct TypeEnvKey { - const TypeDecl * base = nullptr; - int formal_usage = 0; - int expr_id = 0; - - TypeEnvKey() = default; - TypeEnvKey(const TypeDecl * base, int formal_usage = 0, int expr_id = 0) - : base(base), formal_usage(formal_usage), expr_id(expr_id) {} - TypeEnvKey(const TypeInstType & inst) - : base(inst.base), formal_usage(inst.formal_usage), expr_id(inst.expr_id) {} - std::string typeString() const; - bool operator==(const TypeEnvKey & other) const; - bool operator<(const TypeEnvKey & other) const; - }; - bool operator==(const TypeInstType & other) const; @@ -433,6 +419,5 @@ TypeInstType( const TypeInstType & o ) = default; - TypeInstType( const TypeEnvKey & key ) - : BaseInstType(key.base->name), base(key.base), kind(key.base->kind), formal_usage(key.formal_usage), expr_id(key.expr_id) {} + TypeInstType( const TypeEnvKey & key ); /// sets `base`, updating `kind` correctly @@ -453,4 +438,20 @@ TypeInstType * clone() const override { return new TypeInstType{ *this }; } MUTATE_FRIEND +}; + +/// Compact representation of TypeInstType used for map lookups. +struct TypeEnvKey { + const TypeDecl * base = nullptr; + int formal_usage = 0; + int expr_id = 0; + + TypeEnvKey() = default; + TypeEnvKey(const TypeDecl * base, int formal_usage = 0, int expr_id = 0) + : base(base), formal_usage(formal_usage), expr_id(expr_id) {} + TypeEnvKey(const TypeInstType & inst) + : base(inst.base), formal_usage(inst.formal_usage), expr_id(inst.expr_id) {} + std::string typeString() const; + bool operator==(const TypeEnvKey & other) const; + bool operator<(const TypeEnvKey & other) const; }; @@ -560,6 +561,6 @@ namespace std { template<> - struct hash { - size_t operator() (const ast::TypeInstType::TypeEnvKey & x) const { + struct hash { + size_t operator() (const ast::TypeEnvKey & x) const { const size_t p = 1000007; size_t res = reinterpret_cast(x.base); Index: src/AST/TypeEnvironment.cpp =================================================================== --- src/AST/TypeEnvironment.cpp (revision db6cdc0f7e39fa424be65d849107ecd0c1e8e90b) +++ src/AST/TypeEnvironment.cpp (revision ddcaff6dd92af1fcf2b1037d2c2eea3374254f99) @@ -82,5 +82,5 @@ } -const EqvClass * TypeEnvironment::lookup( const TypeInstType::TypeEnvKey & var ) const { +const EqvClass * TypeEnvironment::lookup( const TypeEnvKey & var ) const { for ( ClassList::const_iterator i = env.begin(); i != env.end(); ++i ) { if ( i->vars.find( var ) != i->vars.end() ) return &*i; @@ -122,5 +122,5 @@ void TypeEnvironment::writeToSubstitution( TypeSubstitution & sub ) const { for ( const auto & clz : env ) { - TypeInstType::TypeEnvKey clzRep; + TypeEnvKey clzRep; bool first = true; for ( const auto & var : clz.vars ) { @@ -146,8 +146,8 @@ struct Occurs : public ast::WithVisitorRef { bool result; - std::unordered_set< TypeInstType::TypeEnvKey > vars; + std::unordered_set< TypeEnvKey > vars; const TypeEnvironment & tenv; - Occurs( const TypeInstType::TypeEnvKey & var, const TypeEnvironment & env ) + Occurs( const TypeEnvKey & var, const TypeEnvironment & env ) : result( false ), vars(), tenv( env ) { if ( const EqvClass * clz = tenv.lookup( var ) ) { @@ -170,5 +170,5 @@ /// true if `var` occurs in `ty` under `env` - bool occurs( const Type * ty, const TypeInstType::TypeEnvKey & var, const TypeEnvironment & env ) { + bool occurs( const Type * ty, const TypeEnvKey & var, const TypeEnvironment & env ) { Pass occur{ var, env }; maybe_accept( ty, occur ); @@ -258,5 +258,5 @@ namespace { /// true if the given type can be bound to the given type variable - bool tyVarCompatible( const TypeDecl::Data & data, const Type * type ) { + bool tyVarCompatible( const TypeData & data, const Type * type ) { switch ( data.kind ) { case TypeDecl::Dtype: @@ -279,5 +279,5 @@ bool TypeEnvironment::bindVar( - const TypeInstType * typeInst, const Type * bindTo, const TypeDecl::Data & data, + const TypeInstType * typeInst, const Type * bindTo, const TypeData & data, AssertionSet & need, AssertionSet & have, const OpenVarSet & open, WidenMode widen, const SymbolTable & symtab @@ -319,5 +319,5 @@ bool TypeEnvironment::bindVarToVar( - const TypeInstType * var1, const TypeInstType * var2, TypeDecl::Data && data, + const TypeInstType * var1, const TypeInstType * var2, TypeData && data, AssertionSet & need, AssertionSet & have, const OpenVarSet & open, WidenMode widen, const SymbolTable & symtab @@ -457,5 +457,5 @@ } -TypeEnvironment::ClassList::iterator TypeEnvironment::internal_lookup( const TypeInstType::TypeEnvKey & var ) { +TypeEnvironment::ClassList::iterator TypeEnvironment::internal_lookup( const TypeEnvKey & var ) { for ( ClassList::iterator i = env.begin(); i != env.end(); ++i ) { if ( i->vars.count( var ) ) return i; Index: src/AST/TypeEnvironment.hpp =================================================================== --- src/AST/TypeEnvironment.hpp (revision db6cdc0f7e39fa424be65d849107ecd0c1e8e90b) +++ src/AST/TypeEnvironment.hpp (revision ddcaff6dd92af1fcf2b1037d2c2eea3374254f99) @@ -79,5 +79,5 @@ /// Set of open variables -using OpenVarSet = std::unordered_map< TypeInstType::TypeEnvKey, TypeDecl::Data >; +using OpenVarSet = std::unordered_map< TypeEnvKey, TypeData >; /// Merges one set of open vars into another @@ -95,8 +95,8 @@ /// they bind to. struct EqvClass { - std::unordered_set< TypeInstType::TypeEnvKey > vars; + std::unordered_set< TypeEnvKey > vars; ptr bound; bool allowWidening; - TypeDecl::Data data; + TypeData data; EqvClass() : vars(), bound(), allowWidening( true ), data() {} @@ -111,9 +111,9 @@ /// Singleton class constructor from substitution - EqvClass( const TypeInstType::TypeEnvKey & v, const Type * b ) + EqvClass( const 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 TypeInstType::TypeEnvKey & v, const Type * b, bool w, const TypeDecl::Data & d ) + EqvClass( const TypeEnvKey & v, const Type * b, bool w, const TypeData & d ) : vars{ v }, bound( b ), allowWidening( w ), data( d ) { reset_qualifiers( bound ); @@ -121,5 +121,5 @@ /// Double-var constructor - EqvClass( const TypeInstType::TypeEnvKey & v, const TypeInstType::TypeEnvKey & u, bool w, const TypeDecl::Data & d ) + EqvClass( const TypeEnvKey & v, const TypeEnvKey & u, bool w, const TypeData & d ) : vars{ v, u }, bound(), allowWidening( w ), data( d ) {} @@ -137,5 +137,5 @@ public: /// Finds the equivalence class containing a variable; nullptr for none such - const EqvClass * lookup( const TypeInstType::TypeEnvKey & var ) const; + const EqvClass * lookup( const TypeEnvKey & var ) const; /// Add a new equivalence class for each type variable @@ -181,5 +181,5 @@ /// needed. Returns false on failure. bool bindVar( - const TypeInstType * typeInst, const Type * bindTo, const TypeDecl::Data & data, + const TypeInstType * typeInst, const Type * bindTo, const TypeData & data, AssertionSet & need, AssertionSet & have, const OpenVarSet & openVars, ResolvExpr::WidenMode widen, const SymbolTable & symtab ); @@ -188,5 +188,5 @@ /// classes if needed. Returns false on failure. bool bindVarToVar( - const TypeInstType * var1, const TypeInstType * var2, TypeDecl::Data && data, + const TypeInstType * var1, const TypeInstType * var2, TypeData && data, AssertionSet & need, AssertionSet & have, const OpenVarSet & openVars, ResolvExpr::WidenMode widen, const SymbolTable & symtab ); @@ -213,5 +213,5 @@ /// Private lookup API; returns array index of string, or env.size() for not found - ClassList::iterator internal_lookup( const TypeInstType::TypeEnvKey & ); + ClassList::iterator internal_lookup( const TypeEnvKey & ); }; Index: src/AST/TypeSubstitution.cpp =================================================================== --- src/AST/TypeSubstitution.cpp (revision db6cdc0f7e39fa424be65d849107ecd0c1e8e90b) +++ src/AST/TypeSubstitution.cpp (revision ddcaff6dd92af1fcf2b1037d2c2eea3374254f99) @@ -52,5 +52,5 @@ } -void TypeSubstitution::add( const TypeInstType::TypeEnvKey & key, const Type * actualType) { +void TypeSubstitution::add( const TypeEnvKey & key, const Type * actualType) { typeMap[ key ] = actualType; } @@ -64,5 +64,5 @@ const Type *TypeSubstitution::lookup( - const TypeInstType::TypeEnvKey & formalType ) const { + const TypeEnvKey & formalType ) const { TypeMap::const_iterator i = typeMap.find( formalType ); @@ -85,5 +85,5 @@ const Type *TypeSubstitution::lookup( const TypeInstType * formalType ) const { - return lookup( ast::TypeInstType::TypeEnvKey( *formalType ) ); + return lookup( ast::TypeEnvKey( *formalType ) ); } Index: src/AST/TypeSubstitution.hpp =================================================================== --- src/AST/TypeSubstitution.hpp (revision db6cdc0f7e39fa424be65d849107ecd0c1e8e90b) +++ src/AST/TypeSubstitution.hpp (revision ddcaff6dd92af1fcf2b1037d2c2eea3374254f99) @@ -72,8 +72,8 @@ void add( const TypeInstType * formalType, const Type *actualType ); - void add( const TypeInstType::TypeEnvKey & key, const Type *actualType ); + void add( const TypeEnvKey & key, const Type *actualType ); void add( const TypeSubstitution &other ); void remove( const TypeInstType * formalType ); - const Type *lookup( const TypeInstType::TypeEnvKey & formalType ) const; + const Type *lookup( const TypeEnvKey & formalType ) const; const Type *lookup( const TypeInstType * formalType ) const; bool empty() const; @@ -105,5 +105,5 @@ friend class Pass; - typedef std::unordered_map< TypeInstType::TypeEnvKey, ptr > TypeMap; + typedef std::unordered_map< TypeEnvKey, ptr > TypeMap; TypeMap typeMap; @@ -184,5 +184,5 @@ int subCount = 0; bool freeOnly; - typedef std::unordered_set< TypeInstType::TypeEnvKey > BoundVarsType; + typedef std::unordered_set< TypeEnvKey > BoundVarsType; BoundVarsType boundVars;