| 1 | #pragma once
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| 2 |
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| 3 | // IWYU pragma: private, include "Common/PassVisitor.h"
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| 4 |
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| 5 | #include <stack>
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| 6 | #include <type_traits>
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| 7 |
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| 8 | #include "Common/Stats.h"
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| 9 | #include "Common/utility.h"
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| 10 |
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| 11 | #include "SynTree/Mutator.h"
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| 12 | #include "SynTree/Visitor.h"
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| 13 |
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| 14 | #include "SymTab/Indexer.h"
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| 15 |
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| 16 | #include "SynTree/Attribute.h"
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| 17 | #include "SynTree/Initializer.h"
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| 18 | #include "SynTree/Statement.h"
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| 19 | #include "SynTree/Type.h"
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| 20 | #include "SynTree/Declaration.h"
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| 21 | #include "SynTree/Expression.h"
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| 22 | #include "SynTree/Constant.h"
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| 23 |
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| 24 | class TypeSubstitution;
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| 25 |
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| 26 | #include "PassVisitor.proto.h"
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| 27 |
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| 28 | //-------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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| 29 | // Templated visitor type
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| 30 | // To use declare a PassVisitor< YOUR VISITOR TYPE >
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| 31 | // The visitor type should specify the previsit/postvisit/premutate/postmutate for types that are desired.
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| 32 | // Note: previsit/postvisit/premutate/postmutate must be **public** members
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| 33 | //
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| 34 | // Several additional features are available through inheritance
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| 35 | // | WithTypeSubstitution - provides polymorphic TypeSubstitution * env for the current expression
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| 36 | // | WithStmtsToAdd - provides the ability to insert statements before or after the current statement by adding new statements into
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| 37 | // stmtsToAddBefore or stmtsToAddAfter respectively.
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| 38 | // | WithShortCircuiting - provides the ability to skip visiting child nodes; set visit_children to false in pre{visit,mutate} to skip visiting children
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| 39 | // | WithGuards - provides the ability to save/restore data like a LIFO stack; to save, call GuardValue with the variable to save, the variable
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| 40 | // will automatically be restored to its previous value after the corresponding postvisit/postmutate teminates.
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| 41 | //-------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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| 42 | template< typename pass_type >
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| 43 | class PassVisitor final : public Visitor, public Mutator {
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| 44 | public:
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| 45 |
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| 46 | template< typename... Args >
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| 47 | PassVisitor(Args &&... args)
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| 48 | : pass( std::forward<Args>( args )... )
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| 49 | {
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| 50 | typedef PassVisitor<pass_type> this_t;
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| 51 | this_t * const * visitor = visitor_impl(pass, 0);
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| 52 | if(visitor) {
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| 53 | *const_cast<this_t **>( visitor ) = this;
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| 54 | }
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| 55 | }
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| 56 |
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| 57 | virtual ~PassVisitor() = default;
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| 58 |
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| 59 | pass_type pass;
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| 60 |
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| 61 | virtual void visit( ObjectDecl * objectDecl ) override final;
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| 62 | virtual void visit( const ObjectDecl * objectDecl ) override final;
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| 63 | virtual void visit( FunctionDecl * functionDecl ) override final;
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| 64 | virtual void visit( const FunctionDecl * functionDecl ) override final;
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| 65 | virtual void visit( StructDecl * aggregateDecl ) override final;
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| 66 | virtual void visit( const StructDecl * aggregateDecl ) override final;
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| 67 | virtual void visit( UnionDecl * aggregateDecl ) override final;
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| 68 | virtual void visit( const UnionDecl * aggregateDecl ) override final;
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| 69 | virtual void visit( EnumDecl * aggregateDecl ) override final;
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| 70 | virtual void visit( const EnumDecl * aggregateDecl ) override final;
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| 71 | virtual void visit( TraitDecl * aggregateDecl ) override final;
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| 72 | virtual void visit( const TraitDecl * aggregateDecl ) override final;
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| 73 | virtual void visit( TypeDecl * typeDecl ) override final;
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| 74 | virtual void visit( const TypeDecl * typeDecl ) override final;
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| 75 | virtual void visit( TypedefDecl * typeDecl ) override final;
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| 76 | virtual void visit( const TypedefDecl * typeDecl ) override final;
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| 77 | virtual void visit( AsmDecl * asmDecl ) override final;
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| 78 | virtual void visit( const AsmDecl * asmDecl ) override final;
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| 79 | virtual void visit( DirectiveDecl * directiveDecl ) override final;
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| 80 | virtual void visit( const DirectiveDecl * directiveDecl ) override final;
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| 81 | virtual void visit( StaticAssertDecl * assertDecl ) override final;
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| 82 | virtual void visit( const StaticAssertDecl * assertDecl ) override final;
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| 83 |
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| 84 | virtual void visit( CompoundStmt * compoundStmt ) override final;
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| 85 | virtual void visit( const CompoundStmt * compoundStmt ) override final;
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| 86 | virtual void visit( ExprStmt * exprStmt ) override final;
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| 87 | virtual void visit( const ExprStmt * exprStmt ) override final;
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| 88 | virtual void visit( AsmStmt * asmStmt ) override final;
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| 89 | virtual void visit( const AsmStmt * asmStmt ) override final;
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| 90 | virtual void visit( DirectiveStmt * dirStmt ) override final;
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| 91 | virtual void visit( const DirectiveStmt * dirStmt ) override final;
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| 92 | virtual void visit( IfStmt * ifStmt ) override final;
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| 93 | virtual void visit( const IfStmt * ifStmt ) override final;
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| 94 | virtual void visit( WhileDoStmt * whileDoStmt ) override final;
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| 95 | virtual void visit( const WhileDoStmt * whileDoStmt ) override final;
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| 96 | virtual void visit( ForStmt * forStmt ) override final;
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| 97 | virtual void visit( const ForStmt * forStmt ) override final;
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| 98 | virtual void visit( SwitchStmt * switchStmt ) override final;
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| 99 | virtual void visit( const SwitchStmt * switchStmt ) override final;
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| 100 | virtual void visit( CaseStmt * caseStmt ) override final;
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| 101 | virtual void visit( const CaseStmt * caseStmt ) override final;
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| 102 | virtual void visit( BranchStmt * branchStmt ) override final;
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| 103 | virtual void visit( const BranchStmt * branchStmt ) override final;
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| 104 | virtual void visit( ReturnStmt * returnStmt ) override final;
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| 105 | virtual void visit( const ReturnStmt * returnStmt ) override final;
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| 106 | virtual void visit( ThrowStmt * throwStmt ) override final;
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| 107 | virtual void visit( const ThrowStmt * throwStmt ) override final;
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| 108 | virtual void visit( TryStmt * tryStmt ) override final;
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| 109 | virtual void visit( const TryStmt * tryStmt ) override final;
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| 110 | virtual void visit( CatchStmt * catchStmt ) override final;
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| 111 | virtual void visit( const CatchStmt * catchStmt ) override final;
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| 112 | virtual void visit( FinallyStmt * finallyStmt ) override final;
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| 113 | virtual void visit( const FinallyStmt * finallyStmt ) override final;
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| 114 | virtual void visit( SuspendStmt * suspendStmt ) override final;
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| 115 | virtual void visit( const SuspendStmt * suspendStmt ) override final;
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| 116 | virtual void visit( WaitForStmt * waitforStmt ) override final;
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| 117 | virtual void visit( const WaitForStmt * waitforStmt ) override final;
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| 118 | virtual void visit( WithStmt * withStmt ) override final;
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| 119 | virtual void visit( const WithStmt * withStmt ) override final;
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| 120 | virtual void visit( NullStmt * nullStmt ) override final;
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| 121 | virtual void visit( const NullStmt * nullStmt ) override final;
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| 122 | virtual void visit( DeclStmt * declStmt ) override final;
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| 123 | virtual void visit( const DeclStmt * declStmt ) override final;
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| 124 | virtual void visit( ImplicitCtorDtorStmt * impCtorDtorStmt ) override final;
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| 125 | virtual void visit( const ImplicitCtorDtorStmt * impCtorDtorStmt ) override final;
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| 126 | virtual void visit( MutexStmt * mutexStmt ) override final;
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| 127 | virtual void visit( const MutexStmt * mutexStmt ) override final;
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| 128 |
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| 129 | virtual void visit( ApplicationExpr * applicationExpr ) override final;
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| 130 | virtual void visit( const ApplicationExpr * applicationExpr ) override final;
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| 131 | virtual void visit( UntypedExpr * untypedExpr ) override final;
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| 132 | virtual void visit( const UntypedExpr * untypedExpr ) override final;
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| 133 | virtual void visit( NameExpr * nameExpr ) override final;
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| 134 | virtual void visit( const NameExpr * nameExpr ) override final;
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| 135 | virtual void visit ( QualifiedNameExpr * qualifiedNameExpr ) override final;
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| 136 | virtual void visit ( const QualifiedNameExpr * qualifiedNameExpr ) override final;
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| 137 | virtual void visit( CastExpr * castExpr ) override final;
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| 138 | virtual void visit( const CastExpr * castExpr ) override final;
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| 139 | virtual void visit( KeywordCastExpr * castExpr ) override final;
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| 140 | virtual void visit( const KeywordCastExpr * castExpr ) override final;
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| 141 | virtual void visit( VirtualCastExpr * castExpr ) override final;
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| 142 | virtual void visit( const VirtualCastExpr * castExpr ) override final;
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| 143 | virtual void visit( AddressExpr * addressExpr ) override final;
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| 144 | virtual void visit( const AddressExpr * addressExpr ) override final;
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| 145 | virtual void visit( LabelAddressExpr * labAddressExpr ) override final;
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| 146 | virtual void visit( const LabelAddressExpr * labAddressExpr ) override final;
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| 147 | virtual void visit( UntypedMemberExpr * memberExpr ) override final;
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| 148 | virtual void visit( const UntypedMemberExpr * memberExpr ) override final;
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| 149 | virtual void visit( MemberExpr * memberExpr ) override final;
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| 150 | virtual void visit( const MemberExpr * memberExpr ) override final;
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| 151 | virtual void visit( VariableExpr * variableExpr ) override final;
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| 152 | virtual void visit( const VariableExpr * variableExpr ) override final;
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| 153 | virtual void visit( ConstantExpr * constantExpr ) override final;
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| 154 | virtual void visit( const ConstantExpr * constantExpr ) override final;
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| 155 | virtual void visit( SizeofExpr * sizeofExpr ) override final;
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| 156 | virtual void visit( const SizeofExpr * sizeofExpr ) override final;
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| 157 | virtual void visit( AlignofExpr * alignofExpr ) override final;
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| 158 | virtual void visit( const AlignofExpr * alignofExpr ) override final;
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| 159 | virtual void visit( UntypedOffsetofExpr * offsetofExpr ) override final;
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| 160 | virtual void visit( const UntypedOffsetofExpr * offsetofExpr ) override final;
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| 161 | virtual void visit( OffsetofExpr * offsetofExpr ) override final;
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| 162 | virtual void visit( const OffsetofExpr * offsetofExpr ) override final;
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| 163 | virtual void visit( OffsetPackExpr * offsetPackExpr ) override final;
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| 164 | virtual void visit( const OffsetPackExpr * offsetPackExpr ) override final;
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| 165 | virtual void visit( LogicalExpr * logicalExpr ) override final;
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| 166 | virtual void visit( const LogicalExpr * logicalExpr ) override final;
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| 167 | virtual void visit( ConditionalExpr * conditionalExpr ) override final;
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| 168 | virtual void visit( const ConditionalExpr * conditionalExpr ) override final;
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| 169 | virtual void visit( CommaExpr * commaExpr ) override final;
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| 170 | virtual void visit( const CommaExpr * commaExpr ) override final;
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| 171 | virtual void visit( TypeExpr * typeExpr ) override final;
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| 172 | virtual void visit( const TypeExpr * typeExpr ) override final;
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| 173 | virtual void visit( DimensionExpr * dimensionExpr ) override final;
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| 174 | virtual void visit( const DimensionExpr * dimensionExpr ) override final;
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| 175 | virtual void visit( AsmExpr * asmExpr ) override final;
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| 176 | virtual void visit( const AsmExpr * asmExpr ) override final;
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| 177 | virtual void visit( ImplicitCopyCtorExpr * impCpCtorExpr ) override final;
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| 178 | virtual void visit( const ImplicitCopyCtorExpr * impCpCtorExpr ) override final;
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| 179 | virtual void visit( ConstructorExpr * ctorExpr ) override final;
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| 180 | virtual void visit( const ConstructorExpr * ctorExpr ) override final;
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| 181 | virtual void visit( CompoundLiteralExpr * compLitExpr ) override final;
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| 182 | virtual void visit( const CompoundLiteralExpr * compLitExpr ) override final;
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| 183 | virtual void visit( RangeExpr * rangeExpr ) override final;
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| 184 | virtual void visit( const RangeExpr * rangeExpr ) override final;
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| 185 | virtual void visit( UntypedTupleExpr * tupleExpr ) override final;
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| 186 | virtual void visit( const UntypedTupleExpr * tupleExpr ) override final;
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| 187 | virtual void visit( TupleExpr * tupleExpr ) override final;
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| 188 | virtual void visit( const TupleExpr * tupleExpr ) override final;
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| 189 | virtual void visit( TupleIndexExpr * tupleExpr ) override final;
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| 190 | virtual void visit( const TupleIndexExpr * tupleExpr ) override final;
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| 191 | virtual void visit( TupleAssignExpr * assignExpr ) override final;
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| 192 | virtual void visit( const TupleAssignExpr * assignExpr ) override final;
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| 193 | virtual void visit( StmtExpr * stmtExpr ) override final;
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| 194 | virtual void visit( const StmtExpr * stmtExpr ) override final;
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| 195 | virtual void visit( UniqueExpr * uniqueExpr ) override final;
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| 196 | virtual void visit( const UniqueExpr * uniqueExpr ) override final;
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| 197 | virtual void visit( UntypedInitExpr * initExpr ) override final;
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| 198 | virtual void visit( const UntypedInitExpr * initExpr ) override final;
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| 199 | virtual void visit( InitExpr * initExpr ) override final;
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| 200 | virtual void visit( const InitExpr * initExpr ) override final;
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| 201 | virtual void visit( DeletedExpr * delExpr ) override final;
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| 202 | virtual void visit( const DeletedExpr * delExpr ) override final;
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| 203 | virtual void visit( DefaultArgExpr * argExpr ) override final;
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| 204 | virtual void visit( const DefaultArgExpr * argExpr ) override final;
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| 205 | virtual void visit( GenericExpr * genExpr ) override final;
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| 206 | virtual void visit( const GenericExpr * genExpr ) override final;
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| 207 |
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| 208 | virtual void visit( VoidType * basicType ) override final;
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| 209 | virtual void visit( const VoidType * basicType ) override final;
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| 210 | virtual void visit( BasicType * basicType ) override final;
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| 211 | virtual void visit( const BasicType * basicType ) override final;
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| 212 | virtual void visit( PointerType * pointerType ) override final;
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| 213 | virtual void visit( const PointerType * pointerType ) override final;
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| 214 | virtual void visit( ArrayType * arrayType ) override final;
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| 215 | virtual void visit( const ArrayType * arrayType ) override final;
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| 216 | virtual void visit( ReferenceType * referenceType ) override final;
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| 217 | virtual void visit( const ReferenceType * referenceType ) override final;
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| 218 | virtual void visit( QualifiedType * qualType ) override final;
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| 219 | virtual void visit( const QualifiedType * qualType ) override final;
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| 220 | virtual void visit( FunctionType * functionType ) override final;
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| 221 | virtual void visit( const FunctionType * functionType ) override final;
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| 222 | virtual void visit( StructInstType * aggregateUseType ) override final;
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| 223 | virtual void visit( const StructInstType * aggregateUseType ) override final;
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| 224 | virtual void visit( UnionInstType * aggregateUseType ) override final;
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| 225 | virtual void visit( const UnionInstType * aggregateUseType ) override final;
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| 226 | virtual void visit( EnumInstType * aggregateUseType ) override final;
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| 227 | virtual void visit( const EnumInstType * aggregateUseType ) override final;
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| 228 | virtual void visit( TraitInstType * aggregateUseType ) override final;
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| 229 | virtual void visit( const TraitInstType * aggregateUseType ) override final;
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| 230 | virtual void visit( TypeInstType * aggregateUseType ) override final;
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| 231 | virtual void visit( const TypeInstType * aggregateUseType ) override final;
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| 232 | virtual void visit( TupleType * tupleType ) override final;
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| 233 | virtual void visit( const TupleType * tupleType ) override final;
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| 234 | virtual void visit( TypeofType * typeofType ) override final;
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| 235 | virtual void visit( const TypeofType * typeofType ) override final;
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| 236 | virtual void visit( VTableType * vtableType ) override final;
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| 237 | virtual void visit( const VTableType * vtableType ) override final;
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| 238 | virtual void visit( AttrType * attrType ) override final;
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| 239 | virtual void visit( const AttrType * attrType ) override final;
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| 240 | virtual void visit( VarArgsType * varArgsType ) override final;
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| 241 | virtual void visit( const VarArgsType * varArgsType ) override final;
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| 242 | virtual void visit( ZeroType * zeroType ) override final;
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| 243 | virtual void visit( const ZeroType * zeroType ) override final;
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| 244 | virtual void visit( OneType * oneType ) override final;
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| 245 | virtual void visit( const OneType * oneType ) override final;
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| 246 | virtual void visit( GlobalScopeType * globalType ) override final;
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| 247 | virtual void visit( const GlobalScopeType * globalType ) override final;
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| 248 |
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| 249 | virtual void visit( Designation * designation ) override final;
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| 250 | virtual void visit( const Designation * designation ) override final;
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| 251 | virtual void visit( SingleInit * singleInit ) override final;
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| 252 | virtual void visit( const SingleInit * singleInit ) override final;
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| 253 | virtual void visit( ListInit * listInit ) override final;
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| 254 | virtual void visit( const ListInit * listInit ) override final;
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| 255 | virtual void visit( ConstructorInit * ctorInit ) override final;
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| 256 | virtual void visit( const ConstructorInit * ctorInit ) override final;
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| 257 |
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| 258 | virtual void visit( Constant * constant ) override final;
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| 259 | virtual void visit( const Constant * constant ) override final;
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| 260 |
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| 261 | virtual void visit( Attribute * attribute ) override final;
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| 262 | virtual void visit( const Attribute * attribute ) override final;
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| 263 |
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| 264 | virtual DeclarationWithType * mutate( ObjectDecl * objectDecl ) override final;
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| 265 | virtual DeclarationWithType * mutate( FunctionDecl * functionDecl ) override final;
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| 266 | virtual Declaration * mutate( StructDecl * aggregateDecl ) override final;
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| 267 | virtual Declaration * mutate( UnionDecl * aggregateDecl ) override final;
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| 268 | virtual Declaration * mutate( EnumDecl * aggregateDecl ) override final;
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| 269 | virtual Declaration * mutate( TraitDecl * aggregateDecl ) override final;
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| 270 | virtual Declaration * mutate( TypeDecl * typeDecl ) override final;
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| 271 | virtual Declaration * mutate( TypedefDecl * typeDecl ) override final;
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| 272 | virtual AsmDecl * mutate( AsmDecl * asmDecl ) override final;
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| 273 | virtual DirectiveDecl * mutate( DirectiveDecl * directiveDecl ) override final;
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| 274 | virtual StaticAssertDecl * mutate( StaticAssertDecl * assertDecl ) override final;
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| 275 |
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| 276 | virtual CompoundStmt * mutate( CompoundStmt * compoundStmt ) override final;
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| 277 | virtual Statement * mutate( ExprStmt * exprStmt ) override final;
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| 278 | virtual Statement * mutate( AsmStmt * asmStmt ) override final;
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| 279 | virtual Statement * mutate( DirectiveStmt * dirStmt ) override final;
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| 280 | virtual Statement * mutate( IfStmt * ifStmt ) override final;
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| 281 | virtual Statement * mutate( WhileDoStmt * whileDoStmt ) override final;
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| 282 | virtual Statement * mutate( ForStmt * forStmt ) override final;
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| 283 | virtual Statement * mutate( SwitchStmt * switchStmt ) override final;
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| 284 | virtual Statement * mutate( CaseStmt * caseStmt ) override final;
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| 285 | virtual Statement * mutate( BranchStmt * branchStmt ) override final;
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| 286 | virtual Statement * mutate( ReturnStmt * returnStmt ) override final;
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| 287 | virtual Statement * mutate( ThrowStmt * throwStmt ) override final;
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| 288 | virtual Statement * mutate( TryStmt * tryStmt ) override final;
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| 289 | virtual Statement * mutate( CatchStmt * catchStmt ) override final;
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| 290 | virtual Statement * mutate( FinallyStmt * finallyStmt ) override final;
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| 291 | virtual Statement * mutate( SuspendStmt * suspendStmt ) override final;
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| 292 | virtual Statement * mutate( WaitForStmt * waitforStmt ) override final;
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| 293 | virtual Declaration * mutate( WithStmt * withStmt ) override final;
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| 294 | virtual NullStmt * mutate( NullStmt * nullStmt ) override final;
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| 295 | virtual Statement * mutate( DeclStmt * declStmt ) override final;
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| 296 | virtual Statement * mutate( ImplicitCtorDtorStmt * impCtorDtorStmt ) override final;
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| 297 | virtual Statement * mutate( MutexStmt * mutexStmt ) override final;
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| 298 |
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| 299 | virtual Expression * mutate( ApplicationExpr * applicationExpr ) override final;
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| 300 | virtual Expression * mutate( UntypedExpr * untypedExpr ) override final;
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| 301 | virtual Expression * mutate( NameExpr * nameExpr ) override final;
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| 302 | virtual Expression * mutate( AddressExpr * addrExpr ) override final;
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| 303 | virtual Expression * mutate( LabelAddressExpr * labAddressExpr ) override final;
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| 304 | virtual Expression * mutate( CastExpr * castExpr ) override final;
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| 305 | virtual Expression * mutate( KeywordCastExpr * castExpr ) override final;
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| 306 | virtual Expression * mutate( VirtualCastExpr * castExpr ) override final;
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| 307 | virtual Expression * mutate( UntypedMemberExpr * memberExpr ) override final;
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| 308 | virtual Expression * mutate( MemberExpr * memberExpr ) override final;
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| 309 | virtual Expression * mutate( VariableExpr * variableExpr ) override final;
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| 310 | virtual Expression * mutate( ConstantExpr * constantExpr ) override final;
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| 311 | virtual Expression * mutate( SizeofExpr * sizeofExpr ) override final;
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| 312 | virtual Expression * mutate( AlignofExpr * alignofExpr ) override final;
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| 313 | virtual Expression * mutate( UntypedOffsetofExpr * offsetofExpr ) override final;
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| 314 | virtual Expression * mutate( OffsetofExpr * offsetofExpr ) override final;
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| 315 | virtual Expression * mutate( OffsetPackExpr * offsetPackExpr ) override final;
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| 316 | virtual Expression * mutate( LogicalExpr * logicalExpr ) override final;
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| 317 | virtual Expression * mutate( ConditionalExpr * conditionalExpr ) override final;
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| 318 | virtual Expression * mutate( CommaExpr * commaExpr ) override final;
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| 319 | virtual Expression * mutate( TypeExpr * typeExpr ) override final;
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| 320 | virtual Expression * mutate( DimensionExpr * dimensionExpr ) override final;
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| 321 | virtual Expression * mutate( AsmExpr * asmExpr ) override final;
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| 322 | virtual Expression * mutate( ImplicitCopyCtorExpr * impCpCtorExpr ) override final;
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| 323 | virtual Expression * mutate( ConstructorExpr * ctorExpr ) override final;
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| 324 | virtual Expression * mutate( CompoundLiteralExpr * compLitExpr ) override final;
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| 325 | virtual Expression * mutate( RangeExpr * rangeExpr ) override final;
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| 326 | virtual Expression * mutate( UntypedTupleExpr * tupleExpr ) override final;
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| 327 | virtual Expression * mutate( TupleExpr * tupleExpr ) override final;
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| 328 | virtual Expression * mutate( TupleIndexExpr * tupleExpr ) override final;
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| 329 | virtual Expression * mutate( TupleAssignExpr * assignExpr ) override final;
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| 330 | virtual Expression * mutate( StmtExpr * stmtExpr ) override final;
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| 331 | virtual Expression * mutate( UniqueExpr * uniqueExpr ) override final;
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| 332 | virtual Expression * mutate( UntypedInitExpr * initExpr ) override final;
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| 333 | virtual Expression * mutate( InitExpr * initExpr ) override final;
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| 334 | virtual Expression * mutate( DeletedExpr * delExpr ) override final;
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| 335 | virtual Expression * mutate( DefaultArgExpr * argExpr ) override final;
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| 336 | virtual Expression * mutate( GenericExpr * genExpr ) override final;
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| 337 | virtual Expression * mutate( QualifiedNameExpr * qualifiedNameExpr ) override final;
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| 338 |
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| 339 | virtual Type * mutate( VoidType * basicType ) override final;
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| 340 | virtual Type * mutate( BasicType * basicType ) override final;
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| 341 | virtual Type * mutate( PointerType * pointerType ) override final;
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| 342 | virtual Type * mutate( ArrayType * arrayType ) override final;
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| 343 | virtual Type * mutate( ReferenceType * referenceType ) override final;
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| 344 | virtual Type * mutate( QualifiedType * qualType ) override final;
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| 345 | virtual Type * mutate( FunctionType * functionType ) override final;
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| 346 | virtual Type * mutate( StructInstType * aggregateUseType ) override final;
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| 347 | virtual Type * mutate( UnionInstType * aggregateUseType ) override final;
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| 348 | virtual Type * mutate( EnumInstType * aggregateUseType ) override final;
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| 349 | virtual Type * mutate( TraitInstType * aggregateUseType ) override final;
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| 350 | virtual Type * mutate( TypeInstType * aggregateUseType ) override final;
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| 351 | virtual Type * mutate( TupleType * tupleType ) override final;
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| 352 | virtual Type * mutate( TypeofType * typeofType ) override final;
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| 353 | virtual Type * mutate( VTableType * vtableType ) override final;
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| 354 | virtual Type * mutate( AttrType * attrType ) override final;
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| 355 | virtual Type * mutate( VarArgsType * varArgsType ) override final;
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| 356 | virtual Type * mutate( ZeroType * zeroType ) override final;
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| 357 | virtual Type * mutate( OneType * oneType ) override final;
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| 358 | virtual Type * mutate( GlobalScopeType * globalType ) override final;
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| 359 |
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| 360 | virtual Designation * mutate( Designation * designation ) override final;
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| 361 | virtual Initializer * mutate( SingleInit * singleInit ) override final;
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| 362 | virtual Initializer * mutate( ListInit * listInit ) override final;
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| 363 | virtual Initializer * mutate( ConstructorInit * ctorInit ) override final;
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| 364 |
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| 365 | virtual Constant * mutate( Constant * constant ) override final;
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| 366 |
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| 367 | virtual Attribute * mutate( Attribute * attribute ) override final;
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| 368 |
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| 369 | virtual TypeSubstitution * mutate( TypeSubstitution * sub ) final;
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| 370 |
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| 371 | bool isInFunction() const {
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| 372 | return inFunction;
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| 373 | }
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| 374 |
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| 375 | private:
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| 376 | bool inFunction = false;
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| 377 | bool atFunctionTop = false;
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| 378 |
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| 379 | template<typename pass_t> friend void acceptAll( std::list< Declaration* > &decls, PassVisitor< pass_t >& visitor );
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| 380 | template<typename pass_t> friend void acceptAll( const std::list< const Declaration * > &decls, PassVisitor< pass_t >& visitor );
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| 381 | template<typename pass_t> friend void mutateAll( std::list< Declaration* > &decls, PassVisitor< pass_t >& visitor );
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| 382 | template< typename TreeType, typename pass_t > friend void maybeAccept_impl( TreeType * tree, PassVisitor< pass_t > & visitor );
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| 383 | template< typename TreeType, typename pass_t > friend void maybeAccept_impl( const TreeType * tree, PassVisitor< pass_t > & visitor );
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| 384 | template< typename TreeType, typename pass_t > friend void maybeMutate_impl( TreeType *& tree, PassVisitor< pass_t > & mutator );
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| 385 | template< typename Container, typename pass_t > friend void maybeAccept_impl( Container & container, PassVisitor< pass_t > & visitor );
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| 386 | template< typename Container, typename pass_t > friend void maybeAccept_impl( const Container & container, PassVisitor< pass_t > & visitor );
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| 387 | template< typename Container, typename pass_t > friend void maybeMutate_impl( Container & container, PassVisitor< pass_t > & mutator );
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| 388 |
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| 389 | template<typename node_type> void call_previsit ( node_type * node ) { previsit_impl ( pass, node, 0 ); }
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| 390 | template<typename node_type> void call_previsit ( const node_type * node ) { previsit_impl ( pass, node, 0 ); }
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| 391 | template<typename node_type> void call_postvisit( node_type * node ) { postvisit_impl( pass, node, 0 ); }
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| 392 | template<typename node_type> void call_postvisit( const node_type * node ) { postvisit_impl( pass, node, 0 ); }
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| 393 |
|
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| 394 | template<typename node_type> void call_premutate ( node_type * node ) { premutate_impl( pass, node, 0 ); }
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| 395 | template<typename return_type, typename node_type> return_type call_postmutate ( node_type * node ) { return postmutate_impl<return_type>( pass, node, 0 ); }
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| 396 |
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| 397 | void call_beginScope() { begin_scope_impl( pass, 0 ); }
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| 398 | void call_endScope () { end_scope_impl ( pass, 0 ); }
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| 399 |
|
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| 400 | void set_env( TypeSubstitution * env ) { set_env_impl( pass, env, 0); }
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| 401 |
|
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| 402 | template< typename func_t >
|
|---|
| 403 | void handleStatementList( std::list< Statement * > & statements, func_t func );
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| 404 | void visitStatementList ( std::list< Statement* > &statements );
|
|---|
| 405 | void mutateStatementList( std::list< Statement* > &statements );
|
|---|
| 406 | void visitStatementList ( const std::list< Statement * > & statements );
|
|---|
| 407 |
|
|---|
| 408 | template< typename func_t >
|
|---|
| 409 | Statement * handleStatement( Statement * stmt, func_t func );
|
|---|
| 410 | Statement * visitStatement ( Statement * stmt );
|
|---|
| 411 | Statement * mutateStatement( Statement * stmt );
|
|---|
| 412 | void visitStatement ( const Statement * stmt );
|
|---|
| 413 |
|
|---|
| 414 | template< typename func_t >
|
|---|
| 415 | Expression * handleExpression( Expression * expr, func_t func );
|
|---|
| 416 | Expression * visitExpression ( Expression * expr );
|
|---|
| 417 | Expression * mutateExpression( Expression * expr );
|
|---|
| 418 | void visitExpression ( const Expression * expr );
|
|---|
| 419 |
|
|---|
| 420 |
|
|---|
| 421 | auto get_env_ptr () -> decltype(env_impl( pass, 0)) { return env_impl( pass, 0); }
|
|---|
| 422 | std::list< Statement* > * get_beforeStmts() { return stmtsToAddBefore_impl( pass, 0); }
|
|---|
| 423 | std::list< Statement* > * get_afterStmts () { return stmtsToAddAfter_impl ( pass, 0); }
|
|---|
| 424 | std::list< Declaration* > * get_beforeDecls() { return declsToAddBefore_impl( pass, 0); }
|
|---|
| 425 | std::list< Declaration* > * get_afterDecls () { return declsToAddAfter_impl ( pass, 0); }
|
|---|
| 426 |
|
|---|
| 427 | bool get_visit_children () { bool_ref * ptr = visit_children_impl(pass, 0); return ptr ? *ptr : true; }
|
|---|
| 428 | bool_ref * get_visit_children_ptr() { return visit_children_impl(pass, 0); }
|
|---|
| 429 |
|
|---|
| 430 | void indexerScopeEnter () { indexer_impl_enterScope ( pass, 0 ); }
|
|---|
| 431 | void indexerScopeLeave () { indexer_impl_leaveScope ( pass, 0 ); }
|
|---|
| 432 | void indexerAddId ( const DeclarationWithType * node ) { indexer_impl_addId ( pass, 0, node ); }
|
|---|
| 433 | void indexerAddType ( const NamedTypeDecl * node ) { indexer_impl_addType ( pass, 0, node ); }
|
|---|
| 434 | void indexerAddStruct ( const std::string & id ) { indexer_impl_addStruct ( pass, 0, id ); }
|
|---|
| 435 | void indexerAddStruct ( const StructDecl * node ) { indexer_impl_addStruct ( pass, 0, node ); }
|
|---|
| 436 | void indexerAddStructFwd( const StructDecl * node ) { indexer_impl_addStructFwd( pass, 0, node ); }
|
|---|
| 437 | void indexerAddEnum ( const EnumDecl * node ) { indexer_impl_addEnum ( pass, 0, node ); }
|
|---|
| 438 | void indexerAddUnion ( const std::string & id ) { indexer_impl_addUnion ( pass, 0, id ); }
|
|---|
| 439 | void indexerAddUnion ( const UnionDecl * node ) { indexer_impl_addUnion ( pass, 0, node ); }
|
|---|
| 440 | void indexerAddUnionFwd ( const UnionDecl * node ) { indexer_impl_addUnionFwd ( pass, 0, node ); }
|
|---|
| 441 | void indexerAddTrait ( const TraitDecl * node ) { indexer_impl_addTrait ( pass, 0, node ); }
|
|---|
| 442 | void indexerAddWith ( const std::list< Expression * > & exprs, const Declaration * withStmt ) { indexer_impl_addWith( pass, 0, exprs, withStmt ); }
|
|---|
| 443 |
|
|---|
| 444 |
|
|---|
| 445 | template< typename TreeType, typename VisitorType >
|
|---|
| 446 | friend inline void indexerScopedAccept( TreeType * tree, VisitorType & visitor );
|
|---|
| 447 |
|
|---|
| 448 | template< typename TreeType, typename VisitorType >
|
|---|
| 449 | friend inline void indexerScopedAccept( const TreeType * tree, VisitorType & visitor );
|
|---|
| 450 |
|
|---|
| 451 | template< typename TreeType, typename VisitorType >
|
|---|
| 452 | friend inline void indexerScopedMutate( TreeType *& tree, VisitorType & visitor );
|
|---|
| 453 | };
|
|---|
| 454 |
|
|---|
| 455 | template<typename pass_type, typename T>
|
|---|
| 456 | void GuardValue( pass_type * pass, T& val ) {
|
|---|
| 457 | pass->at_cleanup( [ val ]( void * newVal ) {
|
|---|
| 458 | * static_cast< T * >( newVal ) = val;
|
|---|
| 459 | }, static_cast< void * >( & val ) );
|
|---|
| 460 | }
|
|---|
| 461 |
|
|---|
| 462 | class WithTypeSubstitution {
|
|---|
| 463 | protected:
|
|---|
| 464 | WithTypeSubstitution() = default;
|
|---|
| 465 | ~WithTypeSubstitution() = default;
|
|---|
| 466 |
|
|---|
| 467 | public:
|
|---|
| 468 | TypeSubstitution * env = nullptr;
|
|---|
| 469 | };
|
|---|
| 470 |
|
|---|
| 471 | class WithConstTypeSubstitution {
|
|---|
| 472 | protected:
|
|---|
| 473 | WithConstTypeSubstitution() = default;
|
|---|
| 474 | ~WithConstTypeSubstitution() = default;
|
|---|
| 475 |
|
|---|
| 476 | public:
|
|---|
| 477 | const TypeSubstitution * env = nullptr;
|
|---|
| 478 | };
|
|---|
| 479 |
|
|---|
| 480 | class WithStmtsToAdd {
|
|---|
| 481 | protected:
|
|---|
| 482 | WithStmtsToAdd() = default;
|
|---|
| 483 | ~WithStmtsToAdd() = default;
|
|---|
| 484 |
|
|---|
| 485 | public:
|
|---|
| 486 | std::list< Statement* > stmtsToAddBefore;
|
|---|
| 487 | std::list< Statement* > stmtsToAddAfter;
|
|---|
| 488 | };
|
|---|
| 489 |
|
|---|
| 490 | class WithDeclsToAdd {
|
|---|
| 491 | protected:
|
|---|
| 492 | WithDeclsToAdd() = default;
|
|---|
| 493 | ~WithDeclsToAdd() {
|
|---|
| 494 | assert( declsToAddBefore.empty() );
|
|---|
| 495 | }
|
|---|
| 496 |
|
|---|
| 497 | public:
|
|---|
| 498 | std::list< Declaration* > declsToAddBefore;
|
|---|
| 499 | std::list< Declaration* > declsToAddAfter;
|
|---|
| 500 | };
|
|---|
| 501 |
|
|---|
| 502 | class WithShortCircuiting {
|
|---|
| 503 | protected:
|
|---|
| 504 | WithShortCircuiting() = default;
|
|---|
| 505 | ~WithShortCircuiting() = default;
|
|---|
| 506 |
|
|---|
| 507 | public:
|
|---|
| 508 | bool_ref visit_children;
|
|---|
| 509 | };
|
|---|
| 510 |
|
|---|
| 511 | class WithGuards {
|
|---|
| 512 | protected:
|
|---|
| 513 | WithGuards() = default;
|
|---|
| 514 | ~WithGuards() = default;
|
|---|
| 515 |
|
|---|
| 516 | public:
|
|---|
| 517 | at_cleanup_t at_cleanup;
|
|---|
| 518 |
|
|---|
| 519 | template< typename T >
|
|---|
| 520 | void GuardValue( T& val ) {
|
|---|
| 521 | at_cleanup( [ val ]( void * newVal ) {
|
|---|
| 522 | * static_cast< T * >( newVal ) = val;
|
|---|
| 523 | }, static_cast< void * >( & val ) );
|
|---|
| 524 | }
|
|---|
| 525 |
|
|---|
| 526 | template< typename T >
|
|---|
| 527 | void GuardScope( T& val ) {
|
|---|
| 528 | val.beginScope();
|
|---|
| 529 | at_cleanup( []( void * val ) {
|
|---|
| 530 | static_cast< T * >( val )->endScope();
|
|---|
| 531 | }, static_cast< void * >( & val ) );
|
|---|
| 532 | }
|
|---|
| 533 |
|
|---|
| 534 | template< typename Func >
|
|---|
| 535 | void GuardAction( Func func ) {
|
|---|
| 536 | at_cleanup( [func](__attribute__((unused)) void *) { func(); }, nullptr );
|
|---|
| 537 | }
|
|---|
| 538 | };
|
|---|
| 539 |
|
|---|
| 540 | template<typename pass_type>
|
|---|
| 541 | class WithVisitorRef {
|
|---|
| 542 | protected:
|
|---|
| 543 | WithVisitorRef() {}
|
|---|
| 544 | ~WithVisitorRef() {}
|
|---|
| 545 |
|
|---|
| 546 | public:
|
|---|
| 547 | PassVisitor<pass_type> * const visitor = nullptr;
|
|---|
| 548 |
|
|---|
| 549 | bool isInFunction() const {
|
|---|
| 550 | return visitor->isInFunction();
|
|---|
| 551 | }
|
|---|
| 552 | };
|
|---|
| 553 |
|
|---|
| 554 | class WithIndexer {
|
|---|
| 555 | protected:
|
|---|
| 556 | WithIndexer( bool trackIdentifiers = true ) : indexer(trackIdentifiers) {}
|
|---|
| 557 | ~WithIndexer() {}
|
|---|
| 558 |
|
|---|
| 559 | public:
|
|---|
| 560 | SymTab::Indexer indexer;
|
|---|
| 561 | };
|
|---|
| 562 |
|
|---|
| 563 | #include "Common/Stats.h"
|
|---|
| 564 |
|
|---|
| 565 | extern struct PassVisitorStats {
|
|---|
| 566 | size_t depth = 0;
|
|---|
| 567 | Stats::Counters::MaxCounter<double> * max = nullptr;
|
|---|
| 568 | Stats::Counters::AverageCounter<double> * avg = nullptr;
|
|---|
| 569 | } pass_visitor_stats;
|
|---|
| 570 |
|
|---|
| 571 | #include "SynTree/TypeSubstitution.h"
|
|---|
| 572 | #include "PassVisitor.impl.h"
|
|---|
