annotate dmd/scope.h @ 1638:0de4525a9ed6

Apply workaround for #395 by klickverbot.
author Christian Kamm <kamm incasoftware de>
date Mon, 08 Mar 2010 20:06:08 +0100
parents a413ae7329bf
children 9bf06e02070b
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1
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2 // Copyright (c) 1999-2009 by Digital Mars
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3 // All Rights Reserved
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4 // written by Walter Bright
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5 // http://www.digitalmars.com
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6 // License for redistribution is by either the Artistic License
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7 // in artistic.txt, or the GNU General Public License in gnu.txt.
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8 // See the included readme.txt for details.
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9
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10 #ifndef DMD_SCOPE_H
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11 #define DMD_SCOPE_H
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12
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13 #ifdef __DMC__
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14 #pragma once
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15 #endif
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16
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17 struct Dsymbol;
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18 struct ScopeDsymbol;
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19 struct Array;
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20 struct Identifier;
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21 struct Module;
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22 struct Statement;
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23 struct SwitchStatement;
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24 struct TryFinallyStatement;
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25 struct LabelStatement;
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26 struct ForeachStatement;
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27 struct ClassDeclaration;
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28 struct AggregateDeclaration;
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29 struct AnonymousAggregateDeclaration;
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30 struct FuncDeclaration;
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31 struct DocComment;
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32 struct TemplateInstance;
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33
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34 #if IN_LLVM
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35 struct EnclosingHandler;
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36 struct AnonDeclaration;
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37 #endif
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38
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39 #if __GNUC__
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40 // Requires a full definition for PROT and LINK
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41 #include "dsymbol.h" // PROT
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42 #include "mars.h" // LINK
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43 #else
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44 enum LINK;
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45 enum PROT;
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46 #endif
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47
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48 struct Scope
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49 {
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50 Scope *enclosing; // enclosing Scope
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51
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52 Module *module; // Root module
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53 ScopeDsymbol *scopesym; // current symbol
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54 ScopeDsymbol *sd; // if in static if, and declaring new symbols,
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55 // sd gets the addMember()
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56 FuncDeclaration *func; // function we are in
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57 Dsymbol *parent; // parent to use
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58 LabelStatement *slabel; // enclosing labelled statement
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59 SwitchStatement *sw; // enclosing switch statement
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60 TryFinallyStatement *enclosingFinally; // enclosing try finally statement; set inside its finally block
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61 TemplateInstance *tinst; // enclosing template instance
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62 Statement *enclosingScopeExit; // enclosing statement that wants to do something on scope exit
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63 Statement *sbreak; // enclosing statement that supports "break"
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64 Statement *scontinue; // enclosing statement that supports "continue"
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65 ForeachStatement *fes; // if nested function for ForeachStatement, this is it
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66 unsigned offset; // next offset to use in aggregate
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67 int inunion; // we're processing members of a union
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68 int incontract; // we're inside contract code
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69 int nofree; // set if shouldn't free it
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70 int noctor; // set if constructor calls aren't allowed
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71 int intypeof; // in typeof(exp)
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72 int parameterSpecialization; // if in template parameter specialization
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73 int noaccesscheck; // don't do access checks
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74 int mustsemantic; // cannot defer semantic()
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75
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76 unsigned callSuper; // primitive flow analysis for constructors
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77 #define CSXthis_ctor 1 // called this()
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78 #define CSXsuper_ctor 2 // called super()
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79 #define CSXthis 4 // referenced this
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80 #define CSXsuper 8 // referenced super
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81 #define CSXlabel 0x10 // seen a label
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82 #define CSXreturn 0x20 // seen a return statement
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83 #define CSXany_ctor 0x40 // either this() or super() was called
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84
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85 unsigned structalign; // alignment for struct members
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86 enum LINK linkage; // linkage for external functions
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87
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88 enum PROT protection; // protection for class members
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89 int explicitProtection; // set if in an explicit protection attribute
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90
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91 StorageClass stc; // storage class
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92
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93 unsigned flags;
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94 #define SCOPEctor 1 // constructor type
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95 #define SCOPEstaticif 2 // inside static if
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96 #define SCOPEfree 4 // is on free list
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97
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98 AnonymousAggregateDeclaration *anonAgg; // for temporary analysis
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99
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100 DocComment *lastdc; // documentation comment for last symbol at this scope
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101 unsigned lastoffset; // offset in docbuf of where to insert next dec
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102 OutBuffer *docbuf; // buffer for documentation output
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103
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104 static Scope *freelist;
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105 static void *operator new(size_t sz);
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106 static Scope *createGlobal(Module *module);
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107
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108 Scope();
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109 Scope(Module *module);
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110 Scope(Scope *enclosing);
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111
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112 Scope *push();
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113 Scope *push(ScopeDsymbol *ss);
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114 Scope *pop();
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115
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116 void mergeCallSuper(Loc loc, unsigned cs);
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117
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118 Dsymbol *search(Loc loc, Identifier *ident, Dsymbol **pscopesym);
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119 Dsymbol *insert(Dsymbol *s);
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120
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121 ClassDeclaration *getClassScope();
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122 AggregateDeclaration *getStructClassScope();
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123 void setNoFree();
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124 };
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125
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126 #endif /* DMD_SCOPE_H */