engine/mala_types.h

   1 /*
   2     stringbucket.h - MaLa stringbuckets
   3
   4   Copyright (C) 2004, 2005, Christian Thaeter <chth@gmx.net>
   5
   6   This program is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License version 2 as
   8   published by the Free Software Foundation.
   9
  10   This program is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13   GNU General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program; if not, contact me.
  17
  18 */
  19 \f
  20 #ifndef MALA_TYPES_H
  21 #define MALA_TYPES_H
  22
  23 #include <assert.h>
  24 #include <sys/queue.h>
  25
  26 #ifdef DEBUG_MALA
  27 #include <stdio.h>
  28 #define MALA_ASSERT(exp) assert(exp)
  29 /*#define MALA_DEBUG(fmt, ...) do{fprintf(stderr,"MALA_DEBUG: %s: %d: %s: " fmt "\n", strrchr(__FILE__, '/')+1, __LINE__, __func__, ## __VA_ARGS__);}while(0)
  30  */
  31 #else
  32 #define MALA_ASSERT(exp)
  33 //#define MALA_DEBUG(fmt,...)
  34 #endif
  35
  36
  37 /*
  38  * mala state codes
  39  */
  40 #define MALA_STATES                                                                     \
  41   /* the first codes are the states of the MaLa VM and never returned from the engine*/ \
  42   MALA_STATE(SUCCESS),          /* last comand returned true */                         \
  43   MALA_STATE(FAILURE),          /* last comand returned false */                        \
  44   MALA_STATE(LITERAL),          /* dont evaluate argument */                            \
  45   MALA_STATE(CONTINUE),         /* command not fully evaluated yet */                   \
  46   MALA_STATE(REMOVE),           /* no sideeffects remove arguments */                   \
  47   MALA_STATE(EXCEPTION),        /* some error occured (in MaLa code) */                 \
  48                                                                                         \
  49   MALA_STATE(EFAULT),   /* beyond are runtime errors */                                 \
  50   MALA_STATE(ENOACTION),        /* no action found, exception falltrough */             \
  51   MALA_STATE(EACTIONUSED),      /* action has childs or is linked to an engine */       \
  52   MALA_STATE(ESYNTAX),          /* Syntax error in expansion */                         \
  53   MALA_STATE(EINCOMPLETE),      /* interrupted in interactive mode */                   \
  54                                                                                         \
  55   MALA_STATE(EFATAL),   /* beyond are fatal errors */                                   \
  56   MALA_STATE(EINIT),            /* initialization didnt complete */                     \
  57   MALA_STATE(EALLOC),           /* memory allocation problem */                         \
  58   MALA_STATE(ENOENV),           /* no environment space left */                         \
  59   MALA_STATE(EPARSER),          /* parser wrong or missing */                           \
  60                                                                                         \
  61   MALA_STATE(EINVALID),         /* something is really wrong */                         \
  62                                                                                         \
  63   /* state codes for the preprocessor */                                                  \
  64   MALA_STATE(NO_EXPANSION),     /* nothing expanded */                                  \
  65   MALA_STATE(EXPANSION_ERROR),  /* error in engine->state */                            \
  66   MALA_STATE(STATE_TABLE_SIZEOF)
  67
  68
  69 #define MALA_STATE(s) MALA_##s
  70 enum mala_state_enum
  71 {
  72   MALA_STATES
  73 };
  74 #undef MALA_STATE
  75
  76 typedef enum mala_state_enum mala_state;
  77
  78
  79 \f
  80 /*
  81  * datastructure and handle declarations
  82  */
  83 #define MALA_TYPEDEFS(name,Handle) \
  84   typedef struct mala_##name##_struct mala_##name;\
  85   typedef const mala_##name * const_Mala##Handle;\
  86   typedef mala_##name * Mala##Handle;\
  87   typedef mala_##name ** Mala##Handle##_ref;\
  88   typedef const mala_##name ** const_Mala##Handle##_ref
  89
  90 MALA_TYPEDEFS(actioninit,ActionInit);
  91 MALA_TYPEDEFS(action,Action);
  92 MALA_TYPEDEFS(string,String);
  93 MALA_TYPEDEFS(stringbucket,StringBucket);
  94 MALA_TYPEDEFS(engine,Engine);
  95 MALA_TYPEDEFS(actiondesc,ActionDesc);
  96
  97 CIRCLEQ_HEAD (mala_stringlist_struct, mala_stringlistnode_struct);
  98 MALA_TYPEDEFS(stringlistnode,StringListNode);
  99 MALA_TYPEDEFS(stringlist,StringList);
 100
 101 LIST_HEAD(mala_actionstack_struct, mala_action_struct);
 102 MALA_TYPEDEFS(actionstack,ActionStack);
 103
 104 LIST_HEAD(mala_childstack_struct, mala_action_struct);
 105 MALA_TYPEDEFS(childstack,ChildStack);
 106
 107
 108 \f
 109 typedef int (*MalaPredicate) (void* value, void * constraint);
 110 typedef void* (*MalaDataFactory) (void** dest, const void* src, MalaStringBucket bucket);
 111 typedef int (*MalaParserFunc) (MalaEngine eng,
 112                                MalaStringListNode_ref pptr,
 113                                void * data);
 114 int (*MalaEngineInit) (MalaEngine self);
 115
 116 #define MALA_SIDEEFFECT_BEGIN if (eng->state != MALA_REMOVE)
 117 #define MALA_SIDEEFFECT_END
 118
 119 #endif /* MALA_TYPES_H */
 120
 121 /*
 122 // Local Variables:
 123 // mode: C
 124 // c-file-style: "gnu"
 125 // End:
 126 // arch-tag: ee20274c-3a62-4022-a312-59572f1ffdb9
 127 // end_of_file
 128 */