126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2007, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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* \brief Structures for AEL - the Asterisk extension language
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*
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* \ref pbx_ael.c
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* \todo document this file (ael.h)
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*/
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#ifndef _ASTERISK_AEL_STRUCTS_H
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#define _ASTERISK_AEL_STRUCTS_H
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/*
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* We include asterisk/paths.h here because it is a convenient place
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* that doesn't require us to rebuild ael files from .fl/.y
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*/
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#include "asterisk/paths.h"
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#include "pval.h"
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#if !defined(SOLARIS) && !defined(__CYGWIN__)
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/* #include <err.h> */
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#else
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#define quad_t int64_t
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#endif
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#if defined(LONG_LONG_MIN) && !defined(QUAD_MIN)
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#define QUAD_MIN LONG_LONG_MIN
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#endif
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#if defined(LONG_LONG_MAX) && !defined(QUAD_MAX)
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#define QUAD_MAX LONG_LONG_MAX
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#endif
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# if ! defined(QUAD_MIN)
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# define QUAD_MIN (-0x7fffffffffffffffLL-1)
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# endif
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# if ! defined(QUAD_MAX)
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# define QUAD_MAX (0x7fffffffffffffffLL)
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# endif
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#if 0
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#endif
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void ael2_semantic_check(pval *item, int *errs, int *warns, int *notes);
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pval *npval(pvaltype type, int first_line, int last_line, int first_column, int last_column);
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pval *linku1(pval *head, pval *tail);
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void ael2_print(char *fname, pval *tree);
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struct pval *ael2_parse(char *fname, int *errs); /* in ael.flex */
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void destroy_pval(pval *item);
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extern char *prev_word; /* in ael.flex */
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#ifndef YY_TYPEDEF_YY_SCANNER_T
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#define YY_TYPEDEF_YY_SCANNER_T
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typedef void* yyscan_t;
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#endif
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/* for passing info into and out of yyparse */
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struct parse_io
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{
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struct pval *pval; /* yyparse will set this to point to the parse tree */
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yyscan_t scanner; /* yylex needs a scanner. Set it up, and pass it in */
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int syntax_error_count; /* the count of syntax errors encountered */
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};
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/* for CODE GENERATION */
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typedef enum { AEL_APPCALL, AEL_CONTROL1, AEL_FOR_CONTROL, AEL_IF_CONTROL, AEL_IFTIME_CONTROL, AEL_RAND_CONTROL, AEL_LABEL, AEL_RETURN } ael_priority_type;
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struct ael_priority
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{
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int priority_num;
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ael_priority_type type;
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char *app;
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char *appargs;
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struct pval *origin;
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struct ael_extension *exten;
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struct ael_priority *goto_true;
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struct ael_priority *goto_false;
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struct ael_priority *next;
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};
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struct ael_extension
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{
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char *name;
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char *cidmatch;
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char *hints;
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int regexten;
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int is_switch;
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int has_switch; /* set if a switch exists in the extension */
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int checked_switch; /* set if we checked for a switch in the extension -- so we don't have to do it again */
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struct ast_context *context;
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struct ael_priority *plist;
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struct ael_priority *plist_last;
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struct ael_extension *next_exten;
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struct ael_priority *loop_break; /*!< set by latest loop for breaks */
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struct ael_priority *loop_continue; /*!< set by lastest loop for continuing */
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struct ael_priority *return_target;
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int return_needed;
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};
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#endif /* _ASTERISK_AEL_STRUCTS_H */
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