dmd/cond.h

   1
   2 // Compiler implementation of the D programming language
   3 // Copyright (c) 1999-2006 by Digital Mars
   4 // All Rights Reserved
   5 // written by Walter Bright
   6 // http://www.digitalmars.com
   7 // License for redistribution is by either the Artistic License
   8 // in artistic.txt, or the GNU General Public License in gnu.txt.
   9 // See the included readme.txt for details.
  10
  11 #ifndef DMD_DEBCOND_H
  12 #define DMD_DEBCOND_H
  13
  14 struct Expression;
  15 struct Identifier;
  16 struct OutBuffer;
  17 struct Module;
  18 struct Scope;
  19 struct ScopeDsymbol;
  20 #ifdef _DH
  21 #include "lexer.h" // dmdhg
  22 #endif
  23 enum TOK;
  24 #ifdef _DH
  25 struct HdrGenState;
  26 #endif
  27
  28 int findCondition(Array *ids, Identifier *ident);
  29
  30 struct Condition
  31 {
  32     Loc loc;
  33     int inc;            // 0: not computed yet
  34                         // 1: include
  35                         // 2: do not include
  36
  37     Condition(Loc loc);
  38
  39     virtual Condition *syntaxCopy() = 0;
  40     virtual int include(Scope *sc, ScopeDsymbol *s) = 0;
  41     virtual void toCBuffer(OutBuffer *buf, HdrGenState *hgs) = 0;
  42 };
  43
  44 struct DVCondition : Condition
  45 {
  46     unsigned level;
  47     Identifier *ident;
  48     Module *mod;
  49
  50     DVCondition(Module *mod, unsigned level, Identifier *ident);
  51
  52     Condition *syntaxCopy();
  53 };
  54
  55 struct DebugCondition : DVCondition
  56 {
  57     static void setGlobalLevel(unsigned level);
  58     static void addGlobalIdent(char *ident);
  59     static void addPredefinedGlobalIdent(char *ident);
  60
  61     DebugCondition(Module *mod, unsigned level, Identifier *ident);
  62
  63     int include(Scope *sc, ScopeDsymbol *s);
  64     void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
  65 };
  66
  67 struct VersionCondition : DVCondition
  68 {
  69     static void setGlobalLevel(unsigned level);
  70     static void checkPredefined(Loc loc, char *ident);
  71     static void addGlobalIdent(char *ident);
  72     static void addPredefinedGlobalIdent(char *ident);
  73
  74     VersionCondition(Module *mod, unsigned level, Identifier *ident);
  75
  76     int include(Scope *sc, ScopeDsymbol *s);
  77     void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
  78 };
  79
  80 struct StaticIfCondition : Condition
  81 {
  82     Expression *exp;
  83
  84     StaticIfCondition(Loc loc, Expression *exp);
  85     Condition *syntaxCopy();
  86     int include(Scope *sc, ScopeDsymbol *s);
  87     void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
  88 };
  89
  90 struct IftypeCondition : Condition
  91 {
  92     /* iftype (targ id tok tspec)
  93      */
  94     Type *targ;
  95     Identifier *id;     // can be NULL
  96     enum TOK tok;       // ':' or '=='
  97     Type *tspec;        // can be NULL
  98
  99     IftypeCondition(Loc loc, Type *targ, Identifier *id, enum TOK tok, Type *tspec);
 100     Condition *syntaxCopy();
 101     int include(Scope *sc, ScopeDsymbol *s);
 102     void toCBuffer(OutBuffer *buf, HdrGenState *hgs);
 103 };
 104
 105
 106 #endif