root/trunk/src/scope.h

Revision 428, 4.2 kB (checked in by walter, 2 years ago)

remove tabs, any trailing spaces

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