File: compile.h

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/*
 * Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc.
 *
 * This file is part of Jam - see jam.c for Copyright information.
 */

/*
 * compile.h - compile parsed jam statements
 *
 * 01/22/01 (seiwald) - replace evaluate_if() with compile_eval()
 * 01/24/01 (seiwald) - 'while' statement
 * 03/02/02 (seiwald) - rules can be invoked via variable names
 * 02/28/02 (seiwald) - merge EXEC_xxx flags in with RULE_xxx 
 * 10/22/02 (seiwald) - working return/break/continue statements
 * 11/04/02 (seiwald) - const-ing for string literals
 */

void compile_builtins();

LIST *compile_append( PARSE *parse, LOL *args, int *jmp );
LIST *compile_break( PARSE *parse, LOL *args, int *jmp );
LIST *compile_foreach( PARSE *parse, LOL *args, int *jmp );
LIST *compile_if( PARSE *parse, LOL *args, int *jmp );
LIST *compile_eval( PARSE *parse, LOL *args, int *jmp );
LIST *compile_include( PARSE *parse, LOL *args, int *jmp );
LIST *compile_list( PARSE *parse, LOL *args, int *jmp );
LIST *compile_local( PARSE *parse, LOL *args, int *jmp );
LIST *compile_null( PARSE *parse, LOL *args, int *jmp );
LIST *compile_on( PARSE *parse, LOL *args, int *jmp );
LIST *compile_rule( PARSE *parse, LOL *args, int *jmp );
LIST *compile_rules( PARSE *parse, LOL *args, int *jmp );
LIST *compile_set( PARSE *parse, LOL *args, int *jmp );
LIST *compile_setcomp( PARSE *parse, LOL *args, int *jmp );
LIST *compile_setexec( PARSE *parse, LOL *args, int *jmp );
LIST *compile_settings( PARSE *parse, LOL *args, int *jmp );
LIST *compile_switch( PARSE *parse, LOL *args, int *jmp );
LIST *compile_while( PARSE *parse, LOL *args, int *jmp );

LIST *evaluate_rule( const char *rulename, LOL *args, LIST *result );

/* Conditions for compile_if() */

# define EXPR_NOT	0	/* ! cond */
# define EXPR_AND	1	/* cond && cond */
# define EXPR_OR	2	/* cond || cond */

# define EXPR_EXISTS	3	/* arg */
# define EXPR_EQUALS	4	/* arg = arg */
# define EXPR_NOTEQ	5	/* arg != arg */
# define EXPR_LESS	6	/* arg < arg  */
# define EXPR_LESSEQ	7	/* arg <= arg */
# define EXPR_MORE	8	/* arg > arg  */
# define EXPR_MOREEQ	9	/* arg >= arg */
# define EXPR_IN	10	/* arg in arg */

/* Flags for compile_return */

# define JMP_NONE	0	/* flow continues */
# define JMP_BREAK	1	/* break out of loop */
# define JMP_CONTINUE	2	/* step to end of loop */
# define JMP_RETURN	3	/* return from rule */