src/compile.h

   1 /*
   2  * Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc.
   3  *
   4  * This file is part of Jam - see jam.c for Copyright information.
   5  */
   6 /*
   7  * compile.h - compile parsed jam statements
   8  *
   9  * 01/22/01 (seiwald) - replace evaluate_if() with compile_eval()
  10  * 01/24/01 (seiwald) - 'while' statement
  11  * 03/02/02 (seiwald) - rules can be invoked via variable names
  12  * 02/28/02 (seiwald) - merge EXEC_xxx flags in with RULE_xxx
  13  * 10/22/02 (seiwald) - working return/break/continue statements
  14  * 11/04/02 (seiwald) - const-ing for string literals
  15  */
  16 #ifndef JAMH_COMPILE_H
  17 #define JAMH_COMPILE_H
  18
  19 extern void compile_builtins (void);
  20
  21 extern LIST *compile_append (PARSE *parse, LOL *args, int *jmp);
  22 extern LIST *compile_break (PARSE *parse, LOL *args, int *jmp);
  23 extern LIST *compile_foreach (PARSE *parse, LOL *args, int *jmp);
  24 extern LIST *compile_if (PARSE *parse, LOL *args, int *jmp);
  25 extern LIST *compile_eval (PARSE *parse, LOL *args, int *jmp);
  26 extern LIST *compile_include (PARSE *parse, LOL *args, int *jmp);
  27 extern LIST *compile_list (PARSE *parse, LOL *args, int *jmp);
  28 extern LIST *compile_local (PARSE *parse, LOL *args, int *jmp);
  29 extern LIST *compile_null (PARSE *parse, LOL *args, int *jmp);
  30 extern LIST *compile_on (PARSE *parse, LOL *args, int *jmp);
  31 extern LIST *compile_rule (PARSE *parse, LOL *args, int *jmp);
  32 extern LIST *compile_rules (PARSE *parse, LOL *args, int *jmp);
  33 extern LIST *compile_set (PARSE *parse, LOL *args, int *jmp);
  34 extern LIST *compile_setcomp (PARSE *parse, LOL *args, int *jmp);
  35 extern LIST *compile_setexec (PARSE *parse, LOL *args, int *jmp);
  36 extern LIST *compile_settings (PARSE *parse, LOL *args, int *jmp);
  37 extern LIST *compile_switch (PARSE *parse, LOL *args, int *jmp);
  38 extern LIST *compile_while (PARSE *parse, LOL *args, int *jmp);
  39
  40 extern LIST *evaluate_rule (const char *rulename, LOL *args, LIST *result);
  41
  42
  43 /* conditions for compile_if() */
  44 enum {
  45   EXPR_NOT, /* ! cond */
  46   EXPR_AND, /* cond && cond */
  47   EXPR_OR, /* cond || cond */
  48
  49   EXPR_EXISTS, /* arg */
  50   EXPR_EQUALS, /* arg = arg */
  51   EXPR_NOTEQ, /* arg != arg */
  52   EXPR_LESS, /* arg < arg  */
  53   EXPR_LESSEQ, /* arg <= arg */
  54   EXPR_MORE, /* arg > arg  */
  55   EXPR_MOREEQ, /* arg >= arg */
  56   EXPR_IN /* arg in arg */
  57 };
  58
  59
  60 /* Flags for compile_return */
  61 enum {
  62   JMP_NONE, /* flow continues */
  63   JMP_BREAK, /* break out of loop */
  64   JMP_CONTINUE, /* step to end of loop */
  65   JMP_RETURN /* return from rule */
  66 };
  67
  68
  69 #endif