ceph/src/boost/tools/build/src/engine/parse.h

   1 /*
   2  * Copyright 1993, 2000 Christopher Seiwald.
   3  *
   4  * This file is part of Jam - see jam.c for Copyright information.
   5  */
   6
   7 /* This file is ALSO:
   8  * Copyright 2001-2004 David Abrahams.
   9  * Distributed under the Boost Software License, Version 1.0.
  10  * (See accompanying file LICENSE.txt or https://www.bfgroup.xyz/b2/LICENSE.txt)
  11  */
  12
  13 /*
  14  * parse.h - make and destroy parse trees as driven by the parser.
  15  */
  16
  17 #ifndef PARSE_DWA20011020_H
  18 #define PARSE_DWA20011020_H
  19
  20 #include "config.h"
  21 #include "frames.h"
  22 #include "lists.h"
  23 #include "modules.h"
  24
  25
  26 #define PARSE_APPEND    0
  27 #define PARSE_FOREACH   1
  28 #define PARSE_IF        2
  29 #define PARSE_EVAL      3
  30 #define PARSE_INCLUDE   4
  31 #define PARSE_LIST      5
  32 #define PARSE_LOCAL     6
  33 #define PARSE_MODULE    7
  34 #define PARSE_CLASS     8
  35 #define PARSE_NULL      9
  36 #define PARSE_ON        10
  37 #define PARSE_RULE      11
  38 #define PARSE_RULES     12
  39 #define PARSE_SET       13
  40 #define PARSE_SETCOMP   14
  41 #define PARSE_SETEXEC   15
  42 #define PARSE_SETTINGS  16
  43 #define PARSE_SWITCH    17
  44 #define PARSE_WHILE     18
  45 #define PARSE_RETURN    19
  46 #define PARSE_BREAK     20
  47 #define PARSE_CONTINUE  21
  48
  49
  50 /*
  51  * Parse tree node.
  52  */
  53
  54 typedef struct _PARSE PARSE;
  55
  56 struct _PARSE {
  57     int      type;
  58     PARSE  * left;
  59     PARSE  * right;
  60     PARSE  * third;
  61     OBJECT * string;
  62     OBJECT * string1;
  63     int      num;
  64     int      refs;
  65     OBJECT * rulename;
  66     OBJECT * file;
  67     int      line;
  68 };
  69
  70 void parse_file( OBJECT *, FRAME * );
  71 void parse_string( OBJECT * name, const char * * lines, FRAME * frame );
  72 void parse_save( PARSE * );
  73
  74 PARSE * parse_make( int type, PARSE * left, PARSE * right, PARSE * third,
  75     OBJECT * string, OBJECT * string1, int num );
  76
  77 void parse_refer( PARSE * );
  78 void parse_free( PARSE * );
  79 LIST * parse_evaluate( PARSE *, FRAME * );
  80
  81 #endif