[0dd3a2f] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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[ae63a18] | 7 | // Type.h -- |
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[0dd3a2f] | 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Mon May 18 07:44:20 2015 |
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[201aeb9] | 11 | // Last Modified By : Peter A. Buhr |
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[80eefcb] | 12 | // Last Modified On : Fri Feb 8 09:17:09 2019 |
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| 13 | // Update Count : 164 |
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[0dd3a2f] | 14 | // |
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| 15 | |
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[6b0b624] | 16 | #pragma once |
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[51b7345] | 17 | |
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[ea6332d] | 18 | #include <strings.h> // for ffs |
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| 19 | #include <cassert> // for assert, assertf |
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[80eefcb] | 20 | #include <list> |
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[ea6332d] | 21 | #include <ostream> // for ostream, operator<<, basic_ostream |
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| 22 | #include <string> // for string |
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[80eefcb] | 23 | #include <vector> // for vector |
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[ea6332d] | 24 | |
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| 25 | #include "BaseSyntaxNode.h" // for BaseSyntaxNode |
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| 26 | #include "Common/utility.h" // for operator+ |
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| 27 | #include "Mutator.h" // for Mutator |
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| 28 | #include "SynTree.h" // for AST nodes |
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| 29 | #include "Visitor.h" // for Visitor |
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[51b7345] | 30 | |
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[138e29e] | 31 | class Type : public BaseSyntaxNode { |
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[c8ffe20b] | 32 | public: |
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[6f95000] | 33 | // Simulate inheritance because union does not allow it. |
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[615a096] | 34 | // Bug in g++-4.9 prevents static field in union |
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| 35 | //static const char * Names[]; |
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[6f95000] | 36 | #define BFCommon( BFType, N ) \ |
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[d6d747d] | 37 | bool operator[]( unsigned int i ) const { return val & (1 << i); } \ |
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| 38 | bool any() const { return val != 0; } \ |
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[6f95000] | 39 | void reset() { val = 0; } \ |
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| 40 | int ffs() { return ::ffs( val ) - 1; } \ |
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| 41 | BFType operator&=( BFType other ) { \ |
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| 42 | val &= other.val; return *this; \ |
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| 43 | } \ |
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| 44 | BFType operator&( BFType other ) const { \ |
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| 45 | BFType q = other; \ |
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| 46 | q &= *this; \ |
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| 47 | return q; \ |
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| 48 | } \ |
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| 49 | BFType operator|=( BFType other ) { \ |
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| 50 | val |= other.val; return *this; \ |
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| 51 | } \ |
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| 52 | BFType operator|( BFType other ) const { \ |
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| 53 | BFType q = other; \ |
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| 54 | q |= *this; \ |
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| 55 | return q; \ |
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| 56 | } \ |
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| 57 | BFType operator-=( BFType other ) { \ |
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| 58 | val &= ~other.val; return *this; \ |
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| 59 | } \ |
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[d6d747d] | 60 | void print( std::ostream & os ) const { \ |
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| 61 | if ( (*this).any() ) { \ |
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| 62 | for ( unsigned int i = 0; i < N; i += 1 ) { \ |
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| 63 | if ( (*this)[i] ) { \ |
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[615a096] | 64 | os << BFType##Names[i] << ' '; \ |
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[d6d747d] | 65 | } \ |
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| 66 | } \ |
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| 67 | } \ |
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| 68 | } |
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| 69 | |
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[68fe077a] | 70 | // enum must remain in the same order as the corresponding bit fields. |
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| 71 | |
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[ddfd945] | 72 | enum { Inline = 1 << 0, Noreturn = 1 << 1, Fortran = 1 << 2, NumFuncSpecifier = 3 }; |
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[615a096] | 73 | static const char * FuncSpecifiersNames[]; |
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[ddfd945] | 74 | union FuncSpecifiers { |
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| 75 | unsigned int val; |
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| 76 | struct { |
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| 77 | bool is_inline : 1; |
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| 78 | bool is_noreturn : 1; |
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| 79 | bool is_fortran : 1; |
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| 80 | }; |
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| 81 | FuncSpecifiers() : val( 0 ) {} |
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| 82 | FuncSpecifiers( unsigned int val ) : val( val ) {} |
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[615a096] | 83 | // equality (==, !=) works implicitly on first field "val", relational operations are undefined. |
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[6f95000] | 84 | BFCommon( FuncSpecifiers, NumFuncSpecifier ) |
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[ddfd945] | 85 | }; // FuncSpecifiers |
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| 86 | |
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[68fe077a] | 87 | enum { Extern = 1 << 0, Static = 1 << 1, Auto = 1 << 2, Register = 1 << 3, Threadlocal = 1 << 4, NumStorageClass = 5 }; |
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[615a096] | 88 | static const char * StorageClassesNames[]; |
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[68fe077a] | 89 | union StorageClasses { |
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| 90 | unsigned int val; |
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| 91 | struct { |
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| 92 | bool is_extern : 1; |
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| 93 | bool is_static : 1; |
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| 94 | bool is_auto : 1; |
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| 95 | bool is_register : 1; |
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| 96 | bool is_threadlocal : 1; |
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| 97 | }; |
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| 98 | |
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| 99 | StorageClasses() : val( 0 ) {} |
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| 100 | StorageClasses( unsigned int val ) : val( val ) {} |
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[615a096] | 101 | // equality (==, !=) works implicitly on first field "val", relational operations are undefined. |
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[6f95000] | 102 | BFCommon( StorageClasses, NumStorageClass ) |
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[68fe077a] | 103 | }; // StorageClasses |
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| 104 | |
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[bf4ac09] | 105 | enum { Const = 1 << 0, Restrict = 1 << 1, Volatile = 1 << 2, Lvalue = 1 << 3, Mutex = 1 << 4, Atomic = 1 << 5, NumTypeQualifier = 6 }; |
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[615a096] | 106 | static const char * QualifiersNames[]; |
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[bf4ac09] | 107 | union Qualifiers { |
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| 108 | enum { Mask = ~(Restrict | Lvalue) }; |
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| 109 | unsigned int val; |
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| 110 | struct { |
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[615a096] | 111 | bool is_const : 1; |
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| 112 | bool is_restrict : 1; |
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| 113 | bool is_volatile : 1; |
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| 114 | bool is_lvalue : 1; |
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| 115 | bool is_mutex : 1; |
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| 116 | bool is_atomic : 1; |
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[bf4ac09] | 117 | }; |
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[6e8bd43] | 118 | |
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[bf4ac09] | 119 | Qualifiers() : val( 0 ) {} |
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| 120 | Qualifiers( unsigned int val ) : val( val ) {} |
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[615a096] | 121 | // Complex comparisons provide implicit qualifier downcasting, e.g., T downcast to const T. |
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| 122 | bool operator==( Qualifiers other ) const { return (val & Mask) == (other.val & Mask); } |
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| 123 | bool operator!=( Qualifiers other ) const { return (val & Mask) != (other.val & Mask); } |
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[d6d747d] | 124 | bool operator<=( Qualifiers other ) const { |
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[e04b636] | 125 | return is_const <= other.is_const //Any non-const converts to const without cost |
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| 126 | && is_volatile <= other.is_volatile //Any non-volatile converts to volatile without cost |
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| 127 | && is_mutex >= other.is_mutex //Any mutex converts to non-mutex without cost |
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| 128 | && is_atomic == other.is_atomic; //No conversion from atomic to non atomic is free |
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[bf4ac09] | 129 | } |
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[6f95000] | 130 | bool operator<( Qualifiers other ) const { return *this != other && *this <= other; } |
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| 131 | bool operator>=( Qualifiers other ) const { return ! (*this < other); } |
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| 132 | bool operator>( Qualifiers other ) const { return *this != other && *this >= other; } |
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| 133 | BFCommon( Qualifiers, NumTypeQualifier ) |
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[bf4ac09] | 134 | }; // Qualifiers |
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[0dd3a2f] | 135 | |
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[80eefcb] | 136 | typedef std::vector<TypeDecl *> ForallList; |
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[65cdc1e] | 137 | |
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| 138 | Qualifiers tq; |
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| 139 | ForallList forall; |
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[70a1c3ae] | 140 | std::vector< Attribute * > attributes; |
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[65cdc1e] | 141 | |
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[70a1c3ae] | 142 | Type( const Qualifiers & tq, const std::vector< Attribute * > & attributes ); |
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[f2e40a9f] | 143 | Type( const Type & other ); |
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[0dd3a2f] | 144 | virtual ~Type(); |
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| 145 | |
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[f2e40a9f] | 146 | Qualifiers & get_qualifiers() { return tq; } |
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[615a096] | 147 | bool get_const() { return tq.is_const; } |
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| 148 | bool get_volatile() { return tq.is_volatile; } |
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| 149 | bool get_restrict() { return tq.is_restrict; } |
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| 150 | bool get_lvalue() { return tq.is_lvalue; } |
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| 151 | bool get_mutex() { return tq.is_mutex; } |
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| 152 | bool get_atomic() { return tq.is_atomic; } |
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| 153 | void set_const( bool newValue ) { tq.is_const = newValue; } |
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| 154 | void set_volatile( bool newValue ) { tq.is_volatile = newValue; } |
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| 155 | void set_restrict( bool newValue ) { tq.is_restrict = newValue; } |
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| 156 | void set_lvalue( bool newValue ) { tq.is_lvalue = newValue; } |
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| 157 | void set_mutex( bool newValue ) { tq.is_mutex = newValue; } |
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| 158 | void set_atomic( bool newValue ) { tq.is_atomic = newValue; } |
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[8c49c0e] | 159 | |
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| 160 | ForallList& get_forall() { return forall; } |
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[0dd3a2f] | 161 | |
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[70a1c3ae] | 162 | std::vector< Attribute * >& get_attributes() { return attributes; } |
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| 163 | const std::vector< Attribute * >& get_attributes() const { return attributes; } |
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[c0aa336] | 164 | |
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[906e24d] | 165 | /// How many elemental types are represented by this type |
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| 166 | virtual unsigned size() const { return 1; }; |
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| 167 | virtual bool isVoid() const { return size() == 0; } |
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[7933351] | 168 | virtual Type * getComponent( unsigned i ) { assertf( size() == 1 && i == 0, "Type::getComponent was called with size %d and index %d\n", size(), i ); return this; } |
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[906e24d] | 169 | |
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[142cf5d] | 170 | /// return type without outer pointers and arrays |
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[0698aa1] | 171 | Type * stripDeclarator(); |
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| 172 | |
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| 173 | /// return type without outer references |
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| 174 | Type * stripReferences(); |
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[6f95000] | 175 | |
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[e6cee92] | 176 | /// return the number of references occuring consecutively on the outermost layer of this type (i.e. do not count references nested within other types) |
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| 177 | virtual int referenceDepth() const; |
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| 178 | |
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[4a9ccc3] | 179 | virtual bool isComplete() const { return true; } |
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| 180 | |
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[0b3b2ae] | 181 | virtual AggregateDecl * getAggr() const { assertf( false, "Non-aggregate type: %s", toCString( this ) ); } |
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[9bfc9da] | 182 | |
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| 183 | virtual TypeSubstitution genericSubstitution() const; |
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[373d0b5] | 184 | |
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[0dd3a2f] | 185 | virtual Type *clone() const = 0; |
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[f2e40a9f] | 186 | virtual void accept( Visitor & v ) = 0; |
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| 187 | virtual Type *acceptMutator( Mutator & m ) = 0; |
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[50377a4] | 188 | virtual void print( std::ostream & os, Indenter indent = {} ) const; |
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[51b7345] | 189 | }; |
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| 190 | |
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[65cdc1e] | 191 | extern const Type::FuncSpecifiers noFuncSpecifiers; |
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| 192 | extern const Type::StorageClasses noStorageClasses; |
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| 193 | extern const Type::Qualifiers noQualifiers; // no qualifiers on constants |
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[4cb935e] | 194 | |
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[c8ffe20b] | 195 | class VoidType : public Type { |
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| 196 | public: |
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[70a1c3ae] | 197 | VoidType( const Type::Qualifiers & tq, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[51b7345] | 198 | |
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[d67cdb7] | 199 | virtual unsigned size() const override { return 0; }; |
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| 200 | virtual bool isComplete() const override { return false; } |
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[906e24d] | 201 | |
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[d67cdb7] | 202 | virtual VoidType *clone() const override { return new VoidType( *this ); } |
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| 203 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 204 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[50377a4] | 205 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 206 | }; |
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| 207 | |
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[c8ffe20b] | 208 | class BasicType : public Type { |
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| 209 | public: |
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[ae63a18] | 210 | enum Kind { |
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[0dd3a2f] | 211 | Bool, |
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| 212 | Char, |
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| 213 | SignedChar, |
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| 214 | UnsignedChar, |
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| 215 | ShortSignedInt, |
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| 216 | ShortUnsignedInt, |
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| 217 | SignedInt, |
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| 218 | UnsignedInt, |
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| 219 | LongSignedInt, |
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| 220 | LongUnsignedInt, |
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| 221 | LongLongSignedInt, |
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| 222 | LongLongUnsignedInt, |
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| 223 | Float, |
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| 224 | Double, |
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| 225 | LongDouble, |
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| 226 | FloatComplex, |
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| 227 | DoubleComplex, |
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| 228 | LongDoubleComplex, |
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| 229 | FloatImaginary, |
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| 230 | DoubleImaginary, |
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| 231 | LongDoubleImaginary, |
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[201aeb9] | 232 | SignedInt128, |
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| 233 | UnsignedInt128, |
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[4ee3b0c1] | 234 | Float80, |
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| 235 | Float128, |
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[0dd3a2f] | 236 | NUMBER_OF_BASIC_TYPES |
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[65cdc1e] | 237 | } kind; |
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[0dd3a2f] | 238 | |
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[59db689] | 239 | static const char *typeNames[]; // string names for basic types, MUST MATCH with Kind |
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[0dd3a2f] | 240 | |
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[70a1c3ae] | 241 | BasicType( const Type::Qualifiers & tq, Kind bt, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[0dd3a2f] | 242 | |
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| 243 | Kind get_kind() { return kind; } |
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| 244 | void set_kind( Kind newValue ) { kind = newValue; } |
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| 245 | |
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[d67cdb7] | 246 | virtual BasicType *clone() const override { return new BasicType( *this ); } |
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| 247 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 248 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[50377a4] | 249 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[0dd3a2f] | 250 | |
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| 251 | bool isInteger() const; |
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[51b7345] | 252 | }; |
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| 253 | |
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[c8ffe20b] | 254 | class PointerType : public Type { |
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| 255 | public: |
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[65cdc1e] | 256 | Type *base; |
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| 257 | |
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| 258 | // In C99, pointer types can be qualified in many ways e.g., int f( int a[ static 3 ] ) |
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| 259 | Expression *dimension; |
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| 260 | bool isVarLen; |
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| 261 | bool isStatic; |
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| 262 | |
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[70a1c3ae] | 263 | PointerType( const Type::Qualifiers & tq, Type *base, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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| 264 | PointerType( const Type::Qualifiers & tq, Type *base, Expression *dimension, bool isVarLen, bool isStatic, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[0dd3a2f] | 265 | PointerType( const PointerType& ); |
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| 266 | virtual ~PointerType(); |
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| 267 | |
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| 268 | Type *get_base() { return base; } |
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| 269 | void set_base( Type *newValue ) { base = newValue; } |
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| 270 | Expression *get_dimension() { return dimension; } |
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| 271 | void set_dimension( Expression *newValue ) { dimension = newValue; } |
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| 272 | bool get_isVarLen() { return isVarLen; } |
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| 273 | void set_isVarLen( bool newValue ) { isVarLen = newValue; } |
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| 274 | bool get_isStatic() { return isStatic; } |
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| 275 | void set_isStatic( bool newValue ) { isStatic = newValue; } |
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| 276 | |
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[ed8a0d2] | 277 | bool is_array() const { return isStatic || isVarLen || dimension; } |
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| 278 | |
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[d67cdb7] | 279 | virtual bool isComplete() const override { return ! isVarLen; } |
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[ce8c12f] | 280 | |
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[d67cdb7] | 281 | virtual PointerType *clone() const override { return new PointerType( *this ); } |
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| 282 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 283 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[50377a4] | 284 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[65cdc1e] | 285 | }; |
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[ae63a18] | 286 | |
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[65cdc1e] | 287 | class ArrayType : public Type { |
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| 288 | public: |
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| 289 | Type *base; |
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[0dd3a2f] | 290 | Expression *dimension; |
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| 291 | bool isVarLen; |
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| 292 | bool isStatic; |
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[51b7345] | 293 | |
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[70a1c3ae] | 294 | ArrayType( const Type::Qualifiers & tq, Type *base, Expression *dimension, bool isVarLen, bool isStatic, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[0dd3a2f] | 295 | ArrayType( const ArrayType& ); |
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| 296 | virtual ~ArrayType(); |
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| 297 | |
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| 298 | Type *get_base() { return base; } |
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| 299 | void set_base( Type *newValue ) { base = newValue; } |
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| 300 | Expression *get_dimension() { return dimension; } |
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| 301 | void set_dimension( Expression *newValue ) { dimension = newValue; } |
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| 302 | bool get_isVarLen() { return isVarLen; } |
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| 303 | void set_isVarLen( bool newValue ) { isVarLen = newValue; } |
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| 304 | bool get_isStatic() { return isStatic; } |
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| 305 | void set_isStatic( bool newValue ) { isStatic = newValue; } |
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| 306 | |
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[99b7d4fc] | 307 | // array types are complete if they have a dimension expression or are |
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| 308 | // VLAs ('*' in parameter declaration), and incomplete otherwise. |
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| 309 | // See 6.7.6.2 |
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| 310 | virtual bool isComplete() const override { return dimension || isVarLen; } |
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[4a9ccc3] | 311 | |
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[d67cdb7] | 312 | virtual ArrayType *clone() const override { return new ArrayType( *this ); } |
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| 313 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 314 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[50377a4] | 315 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 316 | }; |
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| 317 | |
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[c5d7701] | 318 | class QualifiedType : public Type { |
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| 319 | public: |
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[c194661] | 320 | Type * parent; |
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| 321 | Type * child; |
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[c5d7701] | 322 | |
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[c194661] | 323 | QualifiedType( const Type::Qualifiers & tq, Type * parent, Type * child ); |
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[c5d7701] | 324 | QualifiedType( const QualifiedType & tq ); |
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| 325 | virtual ~QualifiedType(); |
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| 326 | |
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| 327 | virtual QualifiedType *clone() const override { return new QualifiedType( *this ); } |
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| 328 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 329 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 330 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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| 331 | }; |
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| 332 | |
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[ce8c12f] | 333 | class ReferenceType : public Type { |
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| 334 | public: |
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[9236060] | 335 | Type *base; |
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| 336 | |
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[70a1c3ae] | 337 | ReferenceType( const Type::Qualifiers & tq, Type *base, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[ce8c12f] | 338 | ReferenceType( const ReferenceType & ); |
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| 339 | virtual ~ReferenceType(); |
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| 340 | |
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| 341 | Type *get_base() { return base; } |
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| 342 | void set_base( Type *newValue ) { base = newValue; } |
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| 343 | |
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[d67cdb7] | 344 | virtual int referenceDepth() const override; |
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[e6cee92] | 345 | |
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[5ccb10d] | 346 | // Since reference types act like value types, their size is the size of the base. |
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| 347 | // This makes it simple to cast the empty tuple to a reference type, since casts that increase |
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| 348 | // the number of values are disallowed. |
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[d67cdb7] | 349 | virtual unsigned size() const override { return base->size(); } |
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[5ccb10d] | 350 | |
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[9bfc9da] | 351 | virtual TypeSubstitution genericSubstitution() const override; |
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| 352 | |
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[d67cdb7] | 353 | virtual ReferenceType *clone() const override { return new ReferenceType( *this ); } |
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| 354 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 355 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[50377a4] | 356 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[ce8c12f] | 357 | }; |
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| 358 | |
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[c8ffe20b] | 359 | class FunctionType : public Type { |
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| 360 | public: |
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[65cdc1e] | 361 | std::list<DeclarationWithType*> returnVals; |
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| 362 | std::list<DeclarationWithType*> parameters; |
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| 363 | |
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| 364 | // Does the function accept a variable number of arguments following the arguments specified in the parameters list. |
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| 365 | // This could be because of |
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| 366 | // - an ellipsis in a prototype declaration |
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| 367 | // - an unprototyped declaration |
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| 368 | bool isVarArgs; |
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| 369 | |
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[70a1c3ae] | 370 | FunctionType( const Type::Qualifiers & tq, bool isVarArgs, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[0dd3a2f] | 371 | FunctionType( const FunctionType& ); |
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| 372 | virtual ~FunctionType(); |
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| 373 | |
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[cf16f94] | 374 | std::list<DeclarationWithType*> & get_returnVals() { return returnVals; } |
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| 375 | std::list<DeclarationWithType*> & get_parameters() { return parameters; } |
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[8bf784a] | 376 | bool get_isVarArgs() const { return isVarArgs; } |
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[0dd3a2f] | 377 | void set_isVarArgs( bool newValue ) { isVarArgs = newValue; } |
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[8bf784a] | 378 | bool isTtype() const; |
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| 379 | |
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[8aa474a] | 380 | bool isUnprototyped() const { return isVarArgs && parameters.size() == 0; } |
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| 381 | |
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[d67cdb7] | 382 | virtual FunctionType *clone() const override { return new FunctionType( *this ); } |
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| 383 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 384 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[50377a4] | 385 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 386 | }; |
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| 387 | |
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[c8ffe20b] | 388 | class ReferenceToType : public Type { |
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| 389 | public: |
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[65cdc1e] | 390 | std::list< Expression* > parameters; |
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| 391 | std::string name; |
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| 392 | bool hoistType; |
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| 393 | |
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[70a1c3ae] | 394 | ReferenceToType( const Type::Qualifiers & tq, const std::string & name, const std::vector< Attribute * > & attributes ); |
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[f2e40a9f] | 395 | ReferenceToType( const ReferenceToType & other ); |
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[0dd3a2f] | 396 | virtual ~ReferenceToType(); |
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| 397 | |
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[f2e40a9f] | 398 | const std::string & get_name() const { return name; } |
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[0dd3a2f] | 399 | void set_name( std::string newValue ) { name = newValue; } |
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| 400 | std::list< Expression* >& get_parameters() { return parameters; } |
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[43c89a7] | 401 | bool get_hoistType() const { return hoistType; } |
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| 402 | void set_hoistType( bool newValue ) { hoistType = newValue; } |
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[ae63a18] | 403 | |
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[d67cdb7] | 404 | virtual ReferenceToType *clone() const override = 0; |
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| 405 | virtual void accept( Visitor & v ) override = 0; |
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| 406 | virtual Type *acceptMutator( Mutator & m ) override = 0; |
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[50377a4] | 407 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[6013bd7] | 408 | |
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[b3c36f4] | 409 | virtual void lookup( __attribute__((unused)) const std::string & name, __attribute__((unused)) std::list< Declaration* > & foundDecls ) const {} |
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[c8ffe20b] | 410 | protected: |
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[0dd3a2f] | 411 | virtual std::string typeString() const = 0; |
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[51b7345] | 412 | }; |
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| 413 | |
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[c8ffe20b] | 414 | class StructInstType : public ReferenceToType { |
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[0dd3a2f] | 415 | typedef ReferenceToType Parent; |
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[c8ffe20b] | 416 | public: |
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[65cdc1e] | 417 | // this decl is not "owned" by the struct inst; it is merely a pointer to elsewhere in the tree, |
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| 418 | // where the structure used in this type is actually defined |
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| 419 | StructDecl *baseStruct; |
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| 420 | |
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[70a1c3ae] | 421 | StructInstType( const Type::Qualifiers & tq, const std::string & name, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ) : Parent( tq, name, attributes ), baseStruct( 0 ) {} |
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| 422 | StructInstType( const Type::Qualifiers & tq, StructDecl * baseStruct, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[f2e40a9f] | 423 | StructInstType( const StructInstType & other ) : Parent( other ), baseStruct( other.baseStruct ) {} |
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[51b7345] | 424 | |
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[0dd3a2f] | 425 | StructDecl *get_baseStruct() const { return baseStruct; } |
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| 426 | void set_baseStruct( StructDecl *newValue ) { baseStruct = newValue; } |
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[37a3b8f9] | 427 | |
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[ed94eac] | 428 | /// Accesses generic parameters of base struct (NULL if none such) |
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[839ccbb] | 429 | std::list<TypeDecl*> * get_baseParameters(); |
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[9bfc9da] | 430 | const std::list<TypeDecl*> * get_baseParameters() const; |
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[ae63a18] | 431 | |
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[d67cdb7] | 432 | virtual bool isComplete() const override; |
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[4a9ccc3] | 433 | |
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[0b3b2ae] | 434 | virtual AggregateDecl * getAggr() const override; |
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[373d0b5] | 435 | |
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[9bfc9da] | 436 | virtual TypeSubstitution genericSubstitution() const override; |
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| 437 | |
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[37a3b8f9] | 438 | /// Looks up the members of this struct named "name" and places them into "foundDecls". |
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| 439 | /// Clones declarations into "foundDecls", caller responsible for freeing |
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[d67cdb7] | 440 | void lookup( const std::string & name, std::list< Declaration* > & foundDecls ) const override; |
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[51b7345] | 441 | |
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[d67cdb7] | 442 | virtual StructInstType *clone() const override { return new StructInstType( *this ); } |
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| 443 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 444 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[5d125e4] | 445 | |
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[50377a4] | 446 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[c8ffe20b] | 447 | private: |
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[d67cdb7] | 448 | virtual std::string typeString() const override; |
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[51b7345] | 449 | }; |
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| 450 | |
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[c8ffe20b] | 451 | class UnionInstType : public ReferenceToType { |
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[0dd3a2f] | 452 | typedef ReferenceToType Parent; |
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[c8ffe20b] | 453 | public: |
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[65cdc1e] | 454 | // this decl is not "owned" by the union inst; it is merely a pointer to elsewhere in the tree, |
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| 455 | // where the union used in this type is actually defined |
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| 456 | UnionDecl *baseUnion; |
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| 457 | |
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[70a1c3ae] | 458 | UnionInstType( const Type::Qualifiers & tq, const std::string & name, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ) : Parent( tq, name, attributes ), baseUnion( 0 ) {} |
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| 459 | UnionInstType( const Type::Qualifiers & tq, UnionDecl * baseUnion, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[f2e40a9f] | 460 | UnionInstType( const UnionInstType & other ) : Parent( other ), baseUnion( other.baseUnion ) {} |
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[0dd3a2f] | 461 | |
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| 462 | UnionDecl *get_baseUnion() const { return baseUnion; } |
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[c0aa336] | 463 | void set_baseUnion( UnionDecl * newValue ) { baseUnion = newValue; } |
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[37a3b8f9] | 464 | |
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[ed94eac] | 465 | /// Accesses generic parameters of base union (NULL if none such) |
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[9bfc9da] | 466 | std::list<TypeDecl*> * get_baseParameters(); |
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| 467 | const std::list<TypeDecl*> * get_baseParameters() const; |
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[ae63a18] | 468 | |
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[d67cdb7] | 469 | virtual bool isComplete() const override; |
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[4a9ccc3] | 470 | |
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[0b3b2ae] | 471 | virtual AggregateDecl * getAggr() const override; |
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[373d0b5] | 472 | |
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[9bfc9da] | 473 | virtual TypeSubstitution genericSubstitution() const override; |
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| 474 | |
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[37a3b8f9] | 475 | /// looks up the members of this union named "name" and places them into "foundDecls" |
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| 476 | /// Clones declarations into "foundDecls", caller responsible for freeing |
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[d67cdb7] | 477 | void lookup( const std::string & name, std::list< Declaration* > & foundDecls ) const override; |
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[0dd3a2f] | 478 | |
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[d67cdb7] | 479 | virtual UnionInstType *clone() const override { return new UnionInstType( *this ); } |
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| 480 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 481 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[5d125e4] | 482 | |
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[50377a4] | 483 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[c8ffe20b] | 484 | private: |
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[d67cdb7] | 485 | virtual std::string typeString() const override; |
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[51b7345] | 486 | }; |
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| 487 | |
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[c8ffe20b] | 488 | class EnumInstType : public ReferenceToType { |
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[0dd3a2f] | 489 | typedef ReferenceToType Parent; |
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[c8ffe20b] | 490 | public: |
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[65cdc1e] | 491 | // this decl is not "owned" by the union inst; it is merely a pointer to elsewhere in the tree, |
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| 492 | // where the union used in this type is actually defined |
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| 493 | EnumDecl *baseEnum = nullptr; |
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| 494 | |
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[70a1c3ae] | 495 | EnumInstType( const Type::Qualifiers & tq, const std::string & name, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ) : Parent( tq, name, attributes ) {} |
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| 496 | EnumInstType( const Type::Qualifiers & tq, EnumDecl * baseEnum, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[f2e40a9f] | 497 | EnumInstType( const EnumInstType & other ) : Parent( other ), baseEnum( other.baseEnum ) {} |
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[51b7345] | 498 | |
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[c0aa336] | 499 | EnumDecl *get_baseEnum() const { return baseEnum; } |
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| 500 | void set_baseEnum( EnumDecl *newValue ) { baseEnum = newValue; } |
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| 501 | |
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[d67cdb7] | 502 | virtual bool isComplete() const override; |
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[4a9ccc3] | 503 | |
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[2dc6621] | 504 | virtual AggregateDecl * getAggr() const override; |
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[0b3b2ae] | 505 | |
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[d67cdb7] | 506 | virtual EnumInstType *clone() const override { return new EnumInstType( *this ); } |
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| 507 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 508 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[6137fbb] | 509 | |
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| 510 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[c8ffe20b] | 511 | private: |
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[d67cdb7] | 512 | virtual std::string typeString() const override; |
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[51b7345] | 513 | }; |
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| 514 | |
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[4040425] | 515 | class TraitInstType : public ReferenceToType { |
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[0dd3a2f] | 516 | typedef ReferenceToType Parent; |
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[c8ffe20b] | 517 | public: |
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[be9036d] | 518 | // this decl is not "owned" by the trait inst; it is merely a pointer to elsewhere in the tree, |
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| 519 | // where the trait used in this type is actually defined |
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| 520 | TraitDecl * baseTrait = nullptr; |
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[65cdc1e] | 521 | |
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[70a1c3ae] | 522 | TraitInstType( const Type::Qualifiers & tq, const std::string & name, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ) : Parent( tq, name, attributes ) {} |
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| 523 | TraitInstType( const Type::Qualifiers & tq, TraitDecl * baseTrait, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[f2e40a9f] | 524 | TraitInstType( const TraitInstType & other ); |
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[4040425] | 525 | ~TraitInstType(); |
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[51b7345] | 526 | |
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[d67cdb7] | 527 | virtual bool isComplete() const override; |
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[4a9ccc3] | 528 | |
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[d67cdb7] | 529 | virtual TraitInstType *clone() const override { return new TraitInstType( *this ); } |
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| 530 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 531 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[c8ffe20b] | 532 | private: |
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[d67cdb7] | 533 | virtual std::string typeString() const override; |
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[51b7345] | 534 | }; |
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| 535 | |
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[c8ffe20b] | 536 | class TypeInstType : public ReferenceToType { |
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[0dd3a2f] | 537 | typedef ReferenceToType Parent; |
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[c8ffe20b] | 538 | public: |
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[65cdc1e] | 539 | // this decl is not "owned" by the type inst; it is merely a pointer to elsewhere in the tree, |
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| 540 | // where the type used here is actually defined |
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| 541 | TypeDecl *baseType; |
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| 542 | bool isFtype; |
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| 543 | |
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[70a1c3ae] | 544 | TypeInstType( const Type::Qualifiers & tq, const std::string & name, TypeDecl *baseType, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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| 545 | TypeInstType( const Type::Qualifiers & tq, const std::string & name, bool isFtype, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[f2e40a9f] | 546 | TypeInstType( const TypeInstType & other ); |
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[1e8b02f5] | 547 | ~TypeInstType(); |
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[0dd3a2f] | 548 | |
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| 549 | TypeDecl *get_baseType() const { return baseType; } |
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| 550 | void set_baseType( TypeDecl *newValue ); |
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| 551 | bool get_isFtype() const { return isFtype; } |
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| 552 | void set_isFtype( bool newValue ) { isFtype = newValue; } |
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[ae63a18] | 553 | |
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[d67cdb7] | 554 | virtual bool isComplete() const override; |
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[4a9ccc3] | 555 | |
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[d67cdb7] | 556 | virtual TypeInstType *clone() const override { return new TypeInstType( *this ); } |
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| 557 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 558 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[50377a4] | 559 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[c8ffe20b] | 560 | private: |
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[d67cdb7] | 561 | virtual std::string typeString() const override; |
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[51b7345] | 562 | }; |
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| 563 | |
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[c8ffe20b] | 564 | class TupleType : public Type { |
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| 565 | public: |
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[65cdc1e] | 566 | std::list<Type *> types; |
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| 567 | std::list<Declaration *> members; |
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| 568 | |
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[70a1c3ae] | 569 | TupleType( const Type::Qualifiers & tq, const std::list< Type * > & types, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[0dd3a2f] | 570 | TupleType( const TupleType& ); |
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| 571 | virtual ~TupleType(); |
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[51b7345] | 572 | |
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[0362d42] | 573 | typedef std::list<Type*> value_type; |
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| 574 | typedef value_type::iterator iterator; |
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| 575 | |
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[62423350] | 576 | std::list<Type *> & get_types() { return types; } |
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[d67cdb7] | 577 | virtual unsigned size() const override { return types.size(); }; |
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[51b7345] | 578 | |
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[62423350] | 579 | // For now, this is entirely synthetic -- tuple types always have unnamed members. |
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| 580 | // Eventually, we may allow named tuples, in which case members should subsume types |
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| 581 | std::list<Declaration *> & get_members() { return members; } |
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| 582 | |
---|
[0362d42] | 583 | iterator begin() { return types.begin(); } |
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| 584 | iterator end() { return types.end(); } |
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| 585 | |
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[d67cdb7] | 586 | virtual Type * getComponent( unsigned i ) override { |
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[7933351] | 587 | assertf( i < size(), "TupleType::getComponent: index %d must be less than size %d", i, size() ); |
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| 588 | return *(begin()+i); |
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| 589 | } |
---|
| 590 | |
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[d67cdb7] | 591 | // virtual bool isComplete() const override { return true; } // xxx - not sure if this is right, might need to recursively check complete-ness |
---|
[4a9ccc3] | 592 | |
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[d67cdb7] | 593 | virtual TupleType *clone() const override { return new TupleType( *this ); } |
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| 594 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 595 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[50377a4] | 596 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 597 | }; |
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| 598 | |
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[c8ffe20b] | 599 | class TypeofType : public Type { |
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| 600 | public: |
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[f441c88] | 601 | Expression *expr; ///< expression to take the type of |
---|
| 602 | bool is_basetypeof; ///< true iff is basetypeof type |
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[65cdc1e] | 603 | |
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[70a1c3ae] | 604 | TypeofType( const Type::Qualifiers & tq, Expression *expr, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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| 605 | TypeofType( const Type::Qualifiers & tq, Expression *expr, bool is_basetypeof, |
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| 606 | const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
---|
[0dd3a2f] | 607 | TypeofType( const TypeofType& ); |
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| 608 | virtual ~TypeofType(); |
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[51b7345] | 609 | |
---|
[0dd3a2f] | 610 | Expression *get_expr() const { return expr; } |
---|
| 611 | void set_expr( Expression *newValue ) { expr = newValue; } |
---|
[51b7345] | 612 | |
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[d67cdb7] | 613 | virtual bool isComplete() const override { assert( false ); return false; } |
---|
[4a9ccc3] | 614 | |
---|
[d67cdb7] | 615 | virtual TypeofType *clone() const override { return new TypeofType( *this ); } |
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| 616 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 617 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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[50377a4] | 618 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 619 | }; |
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| 620 | |
---|
[c8ffe20b] | 621 | class AttrType : public Type { |
---|
| 622 | public: |
---|
[65cdc1e] | 623 | std::string name; |
---|
| 624 | Expression *expr; |
---|
| 625 | Type *type; |
---|
| 626 | bool isType; |
---|
| 627 | |
---|
[70a1c3ae] | 628 | AttrType( const Type::Qualifiers & tq, const std::string & name, Expression *expr, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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| 629 | AttrType( const Type::Qualifiers & tq, const std::string & name, Type *type, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[0dd3a2f] | 630 | AttrType( const AttrType& ); |
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| 631 | virtual ~AttrType(); |
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| 632 | |
---|
[f2e40a9f] | 633 | const std::string & get_name() const { return name; } |
---|
| 634 | void set_name( const std::string & newValue ) { name = newValue; } |
---|
[0dd3a2f] | 635 | Expression *get_expr() const { return expr; } |
---|
| 636 | void set_expr( Expression *newValue ) { expr = newValue; } |
---|
| 637 | Type *get_type() const { return type; } |
---|
| 638 | void set_type( Type *newValue ) { type = newValue; } |
---|
| 639 | bool get_isType() const { return isType; } |
---|
| 640 | void set_isType( bool newValue ) { isType = newValue; } |
---|
| 641 | |
---|
[d67cdb7] | 642 | virtual bool isComplete() const override { assert( false ); } // xxx - not sure what to do here |
---|
[4a9ccc3] | 643 | |
---|
[d67cdb7] | 644 | virtual AttrType *clone() const override { return new AttrType( *this ); } |
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| 645 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 646 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
[50377a4] | 647 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[51b7345] | 648 | }; |
---|
| 649 | |
---|
[44b7088] | 650 | /// Represents the GCC built-in varargs type |
---|
| 651 | class VarArgsType : public Type { |
---|
[90c3b1c] | 652 | public: |
---|
[44b7088] | 653 | VarArgsType(); |
---|
[70a1c3ae] | 654 | VarArgsType( Type::Qualifiers tq, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
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[44b7088] | 655 | |
---|
[d67cdb7] | 656 | virtual bool isComplete() const override{ return true; } // xxx - is this right? |
---|
[4a9ccc3] | 657 | |
---|
[d67cdb7] | 658 | virtual VarArgsType *clone() const override { return new VarArgsType( *this ); } |
---|
| 659 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 660 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
[50377a4] | 661 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[44b7088] | 662 | }; |
---|
| 663 | |
---|
[89e6ffc] | 664 | /// Represents a zero constant |
---|
| 665 | class ZeroType : public Type { |
---|
| 666 | public: |
---|
| 667 | ZeroType(); |
---|
[70a1c3ae] | 668 | ZeroType( Type::Qualifiers tq, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
---|
[89e6ffc] | 669 | |
---|
[d67cdb7] | 670 | virtual ZeroType *clone() const override { return new ZeroType( *this ); } |
---|
| 671 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 672 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
[50377a4] | 673 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[89e6ffc] | 674 | }; |
---|
| 675 | |
---|
| 676 | /// Represents a one constant |
---|
| 677 | class OneType : public Type { |
---|
| 678 | public: |
---|
| 679 | OneType(); |
---|
[70a1c3ae] | 680 | OneType( Type::Qualifiers tq, const std::vector< Attribute * > & attributes = std::vector< Attribute * >() ); |
---|
[89e6ffc] | 681 | |
---|
[d67cdb7] | 682 | virtual OneType *clone() const override { return new OneType( *this ); } |
---|
| 683 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 684 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
[50377a4] | 685 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[89e6ffc] | 686 | }; |
---|
| 687 | |
---|
[47498bd] | 688 | class GlobalScopeType : public Type { |
---|
| 689 | public: |
---|
| 690 | GlobalScopeType(); |
---|
| 691 | |
---|
| 692 | virtual GlobalScopeType *clone() const override { return new GlobalScopeType( *this ); } |
---|
| 693 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 694 | virtual Type *acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 695 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
| 696 | }; |
---|
| 697 | |
---|
[0dd3a2f] | 698 | // Local Variables: // |
---|
| 699 | // tab-width: 4 // |
---|
| 700 | // mode: c++ // |
---|
| 701 | // compile-command: "make install" // |
---|
| 702 | // End: // |
---|