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 /*
   8  * compile.h - compile parsed jam statements
   9  *
  10  * 01/22/01 (seiwald) - replace evaluate_if() with compile_eval()
  11  * 01/24/01 (seiwald) - 'while' statement
  12  * 03/02/02 (seiwald) - rules can be invoked via variable names
  13  * 02/28/02 (seiwald) - merge EXEC_xxx flags in with RULE_xxx
  14  * 10/22/02 (seiwald) - working return/break/continue statements
  15  * 11/04/02 (seiwald) - const-ing for string literals
  16  */
  17
  18 void compile_builtins ();
  19
  20 LIST *compile_append (PARSE *parse, LOL *args, int *jmp);
  21 LIST *compile_break (PARSE *parse, LOL *args, int *jmp);
  22 LIST *compile_foreach (PARSE *parse, LOL *args, int *jmp);
  23 LIST *compile_if (PARSE *parse, LOL *args, int *jmp);
  24 LIST *compile_eval (PARSE *parse, LOL *args, int *jmp);
  25 LIST *compile_include (PARSE *parse, LOL *args, int *jmp);
  26 LIST *compile_list (PARSE *parse, LOL *args, int *jmp);
  27 LIST *compile_local (PARSE *parse, LOL *args, int *jmp);
  28 LIST *compile_null (PARSE *parse, LOL *args, int *jmp);
  29 LIST *compile_on (PARSE *parse, LOL *args, int *jmp);
  30 LIST *compile_rule (PARSE *parse, LOL *args, int *jmp);
  31 LIST *compile_rules (PARSE *parse, LOL *args, int *jmp);
  32 LIST *compile_set (PARSE *parse, LOL *args, int *jmp);
  33 LIST *compile_setcomp (PARSE *parse, LOL *args, int *jmp);
  34 LIST *compile_setexec (PARSE *parse, LOL *args, int *jmp);
  35 LIST *compile_settings (PARSE *parse, LOL *args, int *jmp);
  36 LIST *compile_switch (PARSE *parse, LOL *args, int *jmp);
  37 LIST *compile_while (PARSE *parse, LOL *args, int *jmp);
  38
  39 LIST *evaluate_rule (const char *rulename, LOL *args, LIST *result);
  40
  41 /* Conditions for compile_if() */
  42
  43 # define EXPR_NOT 0 /* ! cond */
  44 # define EXPR_AND 1 /* cond && cond */
  45 # define EXPR_OR  2 /* cond || cond */
  46
  47 # define EXPR_EXISTS  3 /* arg */
  48 # define EXPR_EQUALS  4 /* arg = arg */
  49 # define EXPR_NOTEQ 5 /* arg != arg */
  50 # define EXPR_LESS  6 /* arg < arg  */
  51 # define EXPR_LESSEQ  7 /* arg <= arg */
  52 # define EXPR_MORE  8 /* arg > arg  */
  53 # define EXPR_MOREEQ  9 /* arg >= arg */
  54 # define EXPR_IN  10  /* arg in arg */
  55
  56 /* Flags for compile_return */
  57
  58 # define JMP_NONE 0 /* flow continues */
  59 # define JMP_BREAK  1 /* break out of loop */
  60 # define JMP_CONTINUE 2 /* step to end of loop */
  61 # define JMP_RETURN 3 /* return from rule */