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-rw-r--r--trunk/main/ast_expr2f.c2515
1 files changed, 2515 insertions, 0 deletions
diff --git a/trunk/main/ast_expr2f.c b/trunk/main/ast_expr2f.c
new file mode 100644
index 000000000..770b8d1a5
--- /dev/null
+++ b/trunk/main/ast_expr2f.c
@@ -0,0 +1,2515 @@
+#line 2 "ast_expr2f.c"
+
+#line 4 "ast_expr2f.c"
+
+#define YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 33
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types.
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t;
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX (4294967295U)
+#endif
+
+#endif /* ! FLEXINT_H */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else /* ! __cplusplus */
+
+#if __STDC__
+
+#define YY_USE_CONST
+
+#endif /* __STDC__ */
+#endif /* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index. If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* An opaque pointer. */
+#ifndef YY_TYPEDEF_YY_SCANNER_T
+#define YY_TYPEDEF_YY_SCANNER_T
+typedef void* yyscan_t;
+#endif
+
+/* For convenience, these vars (plus the bison vars far below)
+ are macros in the reentrant scanner. */
+#define yyin yyg->yyin_r
+#define yyout yyg->yyout_r
+#define yyextra yyg->yyextra_r
+#define yyleng yyg->yyleng_r
+#define yytext yyg->yytext_r
+#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
+#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
+#define yy_flex_debug yyg->yy_flex_debug_r
+
+int ast_yylex_init (yyscan_t* scanner);
+
+/* Enter a start condition. This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN yyg->yy_start = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state. The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START ((yyg->yy_start - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE ast_yyrestart(yyin ,yyscanner )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#define YY_BUF_SIZE 16384
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+ #define YY_LESS_LINENO(n)
+
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ *yy_cp = yyg->yy_hold_char; \
+ YY_RESTORE_YY_MORE_OFFSET \
+ yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+ YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+ } \
+ while ( 0 )
+
+#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )
+
+/* The following is because we cannot portably get our hands on size_t
+ * (without autoconf's help, which isn't available because we want
+ * flex-generated scanners to compile on their own).
+ */
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef unsigned int yy_size_t;
+#endif
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+ {
+ FILE *yy_input_file;
+
+ char *yy_ch_buf; /* input buffer */
+ char *yy_buf_pos; /* current position in input buffer */
+
+ /* Size of input buffer in bytes, not including room for EOB
+ * characters.
+ */
+ yy_size_t yy_buf_size;
+
+ /* Number of characters read into yy_ch_buf, not including EOB
+ * characters.
+ */
+ int yy_n_chars;
+
+ /* Whether we "own" the buffer - i.e., we know we created it,
+ * and can realloc() it to grow it, and should free() it to
+ * delete it.
+ */
+ int yy_is_our_buffer;
+
+ /* Whether this is an "interactive" input source; if so, and
+ * if we're using stdio for input, then we want to use getc()
+ * instead of fread(), to make sure we stop fetching input after
+ * each newline.
+ */
+ int yy_is_interactive;
+
+ /* Whether we're considered to be at the beginning of a line.
+ * If so, '^' rules will be active on the next match, otherwise
+ * not.
+ */
+ int yy_at_bol;
+
+ int yy_bs_lineno; /**< The line count. */
+ int yy_bs_column; /**< The column count. */
+
+ /* Whether to try to fill the input buffer when we reach the
+ * end of it.
+ */
+ int yy_fill_buffer;
+
+ int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+ /* When an EOF's been seen but there's still some text to process
+ * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+ * shouldn't try reading from the input source any more. We might
+ * still have a bunch of tokens to match, though, because of
+ * possible backing-up.
+ *
+ * When we actually see the EOF, we change the status to "new"
+ * (via ast_yyrestart()), so that the user can continue scanning by
+ * just pointing yyin at a new input file.
+ */
+#define YY_BUFFER_EOF_PENDING 2
+
+ };
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \
+ ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \
+ : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
+
+void ast_yyrestart (FILE *input_file ,yyscan_t yyscanner );
+void ast_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+YY_BUFFER_STATE ast_yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
+void ast_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void ast_yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void ast_yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+void ast_yypop_buffer_state (yyscan_t yyscanner );
+
+static void ast_yyensure_buffer_stack (yyscan_t yyscanner );
+static void ast_yy_load_buffer_state (yyscan_t yyscanner );
+static void ast_yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
+
+#define YY_FLUSH_BUFFER ast_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
+
+YY_BUFFER_STATE ast_yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
+YY_BUFFER_STATE ast_yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
+YY_BUFFER_STATE ast_yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
+
+void *ast_yyalloc (yy_size_t ,yyscan_t yyscanner );
+void *ast_yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );
+void ast_yyfree (void * ,yyscan_t yyscanner );
+
+#define yy_new_buffer ast_yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){ \
+ ast_yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ ast_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+ }
+
+#define yy_set_bol(at_bol) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){\
+ ast_yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ ast_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+ }
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define ast_yywrap(n) 1
+#define YY_SKIP_YYWRAP
+
+typedef unsigned char YY_CHAR;
+
+typedef int yy_state_type;
+
+#define yytext_ptr yytext_r
+
+static yy_state_type yy_get_previous_state (yyscan_t yyscanner );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state ,yyscan_t yyscanner);
+static int yy_get_next_buffer (yyscan_t yyscanner );
+static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+ yyg->yytext_ptr = yy_bp; \
+ yyg->yytext_ptr -= yyg->yy_more_len; \
+ yyleng = (size_t) (yy_cp - yyg->yytext_ptr); \
+ yyg->yy_hold_char = *yy_cp; \
+ *yy_cp = '\0'; \
+ yyg->yy_c_buf_p = yy_cp;
+
+#define YY_NUM_RULES 36
+#define YY_END_OF_BUFFER 37
+/* This struct is not used in this scanner,
+ but its presence is necessary. */
+struct yy_trans_info
+ {
+ flex_int32_t yy_verify;
+ flex_int32_t yy_nxt;
+ };
+static yyconst flex_int16_t yy_accept[58] =
+ { 0,
+ 0, 0, 0, 0, 33, 33, 37, 36, 26, 28,
+ 20, 36, 30, 30, 18, 2, 23, 24, 16, 13,
+ 14, 15, 17, 29, 21, 9, 3, 8, 19, 1,
+ 36, 32, 31, 33, 34, 34, 12, 0, 27, 30,
+ 25, 5, 30, 29, 22, 11, 6, 7, 10, 4,
+ 0, 32, 31, 33, 35, 29, 0
+ } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
+ 1, 1, 2, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 2, 4, 5, 6, 7, 8, 9, 6, 10,
+ 11, 12, 13, 14, 15, 16, 17, 18, 18, 18,
+ 18, 18, 18, 18, 18, 18, 18, 19, 6, 20,
+ 21, 22, 23, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+ 1, 6, 1, 6, 6, 1, 6, 6, 6, 6,
+
+ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 24, 25, 26, 27, 1, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28
+ } ;
+
+static yyconst flex_int32_t yy_meta[29] =
+ { 0,
+ 1, 2, 2, 2, 1, 3, 4, 2, 2, 2,
+ 2, 2, 2, 1, 2, 3, 2, 3, 2, 2,
+ 2, 2, 2, 1, 2, 1, 1, 3
+ } ;
+
+static yyconst flex_int16_t yy_base[64] =
+ { 0,
+ 0, 0, 5, 6, 32, 60, 64, 110, 110, 110,
+ 42, 57, 0, 33, 110, 46, 110, 110, 110, 110,
+ 110, 110, 110, 18, 35, 32, 14, 31, 110, 26,
+ 16, 110, 110, 0, 110, 25, 110, 42, 110, 0,
+ 110, 110, 26, 0, 110, 110, 110, 110, 110, 110,
+ 19, 110, 110, 0, 110, 0, 110, 88, 92, 96,
+ 98, 102, 106
+ } ;
+
+static yyconst flex_int16_t yy_def[64] =
+ { 0,
+ 57, 1, 58, 58, 59, 59, 57, 57, 57, 57,
+ 57, 60, 61, 61, 57, 57, 57, 57, 57, 57,
+ 57, 57, 57, 61, 57, 57, 57, 57, 57, 57,
+ 62, 57, 57, 63, 57, 57, 57, 60, 57, 61,
+ 57, 57, 61, 24, 57, 57, 57, 57, 57, 57,
+ 62, 57, 57, 63, 57, 43, 0, 57, 57, 57,
+ 57, 57, 57
+ } ;
+
+static yyconst flex_int16_t yy_nxt[139] =
+ { 0,
+ 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+ 18, 19, 20, 21, 22, 13, 23, 24, 25, 26,
+ 27, 28, 29, 8, 30, 8, 8, 13, 32, 32,
+ 33, 33, 34, 43, 47, 44, 34, 34, 36, 52,
+ 48, 53, 52, 56, 53, 34, 39, 34, 55, 34,
+ 50, 49, 46, 45, 42, 34, 41, 34, 34, 34,
+ 34, 39, 37, 57, 34, 34, 36, 57, 57, 57,
+ 57, 57, 57, 34, 57, 34, 57, 34, 57, 57,
+ 57, 57, 57, 34, 57, 34, 34, 34, 31, 31,
+ 31, 31, 35, 35, 35, 35, 38, 38, 38, 38,
+
+ 40, 40, 51, 51, 51, 51, 54, 57, 54, 7,
+ 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,
+ 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,
+ 57, 57, 57, 57, 57, 57, 57, 57
+ } ;
+
+static yyconst flex_int16_t yy_chk[139] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 3, 4,
+ 3, 4, 5, 24, 27, 24, 5, 5, 5, 31,
+ 27, 31, 51, 43, 51, 5, 38, 5, 36, 5,
+ 30, 28, 26, 25, 16, 5, 14, 5, 5, 5,
+ 6, 12, 11, 7, 6, 6, 6, 0, 0, 0,
+ 0, 0, 0, 6, 0, 6, 0, 6, 0, 0,
+ 0, 0, 0, 6, 0, 6, 6, 6, 58, 58,
+ 58, 58, 59, 59, 59, 59, 60, 60, 60, 60,
+
+ 61, 61, 62, 62, 62, 62, 63, 0, 63, 57,
+ 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,
+ 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,
+ 57, 57, 57, 57, 57, 57, 57, 57
+ } ;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() (yyg->yy_more_flag = 1)
+#define YY_MORE_ADJ yyg->yy_more_len
+#define YY_RESTORE_YY_MORE_OFFSET
+#line 1 "ast_expr2.fl"
+#line 2 "ast_expr2.fl"
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 1999 - 2006, Digium, Inc.
+ *
+ * Mark Spencer <markster@digium.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*! \file
+ *
+ * \brief Dialplan Expression Lexical Scanner
+ */
+
+#include "asterisk.h"
+
+#include <sys/types.h>
+#include <stdio.h>
+
+#ifndef STANDALONE
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+#else
+#ifndef __USE_ISOC99
+#define __USE_ISOC99 1
+#endif
+#endif
+
+#ifdef __USE_ISOC99
+#define FP___PRINTF "%.18Lg"
+#define FP___FMOD fmodl
+#define FP___STRTOD strtold
+#define FP___TYPE long double
+#else
+#define FP___PRINTF "%.16g"
+#define FP___FMOD fmod
+#define FP___STRTOD strtod
+#define FP___TYPE double
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <locale.h>
+#include <ctype.h>
+#if !defined(SOLARIS) && !defined(__CYGWIN__)
+/* #include <err.h> */
+#else
+#define quad_t int64_t
+#endif
+#include <errno.h>
+#include <regex.h>
+#include <limits.h>
+
+#include "asterisk/ast_expr.h"
+#include "asterisk/logger.h"
+#ifndef STANDALONE
+#include "asterisk/strings.h"
+#include "asterisk/channel.h"
+#endif
+
+enum valtype {
+ AST_EXPR_number, AST_EXPR_numeric_string, AST_EXPR_string
+} ;
+
+struct val {
+ enum valtype type;
+ union {
+ char *s;
+ FP___TYPE i; /* long double or just double if it's a bad day */
+ } u;
+} ;
+
+#include "ast_expr2.h" /* the o/p of the bison on ast_expr2.y */
+
+#define SET_COLUMNS do { \
+ yylloc_param->first_column = (int)(yyg->yytext_r - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf); \
+ yylloc_param->last_column += yyleng - 1; \
+ yylloc_param->first_line = yylloc_param->last_line = 1; \
+ } while (0)
+
+#define SET_STRING do { \
+ yylval_param->val = calloc(1, sizeof(struct val)); \
+ yylval_param->val->type = AST_EXPR_string; \
+ yylval_param->val->u.s = strdup(yytext); \
+ } while (0)
+
+#define SET_NUMERIC_STRING do { \
+ yylval_param->val = calloc(1, sizeof(struct val)); \
+ yylval_param->val->type = AST_EXPR_numeric_string; \
+ yylval_param->val->u.s = strdup(yytext); \
+ } while (0)
+
+struct parse_io
+{
+ char *string;
+ struct val *val;
+ yyscan_t scanner;
+ struct ast_channel *chan;
+};
+
+void ast_yyset_column(int column_no, yyscan_t yyscanner);
+int ast_yyget_column(yyscan_t yyscanner);
+static int curlycount = 0;
+static char *expr2_token_subst(const char *mess);
+
+#line 600 "ast_expr2f.c"
+
+#define INITIAL 0
+#define var 1
+#define trail 2
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+/* Holds the entire state of the reentrant scanner. */
+struct yyguts_t
+ {
+
+ /* User-defined. Not touched by flex. */
+ YY_EXTRA_TYPE yyextra_r;
+
+ /* The rest are the same as the globals declared in the non-reentrant scanner. */
+ FILE *yyin_r, *yyout_r;
+ size_t yy_buffer_stack_top; /**< index of top of stack. */
+ size_t yy_buffer_stack_max; /**< capacity of stack. */
+ YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */
+ char yy_hold_char;
+ int yy_n_chars;
+ int yyleng_r;
+ char *yy_c_buf_p;
+ int yy_init;
+ int yy_start;
+ int yy_did_buffer_switch_on_eof;
+ int yy_start_stack_ptr;
+ int yy_start_stack_depth;
+ int *yy_start_stack;
+ yy_state_type yy_last_accepting_state;
+ char* yy_last_accepting_cpos;
+
+ int yylineno_r;
+ int yy_flex_debug_r;
+
+ char *yytext_r;
+ int yy_more_flag;
+ int yy_more_len;
+
+ YYSTYPE * yylval_r;
+
+ YYLTYPE * yylloc_r;
+
+ }; /* end struct yyguts_t */
+
+static int yy_init_globals (yyscan_t yyscanner );
+
+ /* This must go here because YYSTYPE and YYLTYPE are included
+ * from bison output in section 1.*/
+ # define yylval yyg->yylval_r
+
+ # define yylloc yyg->yylloc_r
+
+/* Accessor methods to globals.
+ These are made visible to non-reentrant scanners for convenience. */
+
+int ast_yylex_destroy (yyscan_t yyscanner );
+
+int ast_yyget_debug (yyscan_t yyscanner );
+
+void ast_yyset_debug (int debug_flag ,yyscan_t yyscanner );
+
+YY_EXTRA_TYPE ast_yyget_extra (yyscan_t yyscanner );
+
+void ast_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
+
+FILE *ast_yyget_in (yyscan_t yyscanner );
+
+void ast_yyset_in (FILE * in_str ,yyscan_t yyscanner );
+
+FILE *ast_yyget_out (yyscan_t yyscanner );
+
+void ast_yyset_out (FILE * out_str ,yyscan_t yyscanner );
+
+int ast_yyget_leng (yyscan_t yyscanner );
+
+char *ast_yyget_text (yyscan_t yyscanner );
+
+int ast_yyget_lineno (yyscan_t yyscanner );
+
+void ast_yyset_lineno (int line_number ,yyscan_t yyscanner );
+
+YYSTYPE * ast_yyget_lval (yyscan_t yyscanner );
+
+void ast_yyset_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );
+
+ YYLTYPE *ast_yyget_lloc (yyscan_t yyscanner );
+
+ void ast_yyset_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int ast_yywrap (yyscan_t yyscanner );
+#else
+extern int ast_yywrap (yyscan_t yyscanner );
+#endif
+#endif
+
+ static void yyunput (int c,char *buf_ptr ,yyscan_t yyscanner);
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (yyscan_t yyscanner );
+#else
+static int input (yyscan_t yyscanner );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
+#endif
+
+/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+ { \
+ int c = '*'; \
+ size_t n; \
+ for ( n = 0; n < max_size && \
+ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+ buf[n] = (char) c; \
+ if ( c == '\n' ) \
+ buf[n++] = (char) c; \
+ if ( c == EOF && ferror( yyin ) ) \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ result = n; \
+ } \
+ else \
+ { \
+ errno=0; \
+ while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
+ { \
+ if( errno != EINTR) \
+ { \
+ YY_FATAL_ERROR( "input in flex scanner failed" ); \
+ break; \
+ } \
+ errno=0; \
+ clearerr(yyin); \
+ } \
+ }\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner)
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int ast_yylex (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);
+
+#define YY_DECL int ast_yylex (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+ YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+ register yy_state_type yy_current_state;
+ register char *yy_cp, *yy_bp;
+ register int yy_act;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+#line 127 "ast_expr2.fl"
+
+
+#line 840 "ast_expr2f.c"
+
+ yylval = yylval_param;
+
+ yylloc = yylloc_param;
+
+ if ( !yyg->yy_init )
+ {
+ yyg->yy_init = 1;
+
+#ifdef YY_USER_INIT
+ YY_USER_INIT;
+#endif
+
+ if ( ! yyg->yy_start )
+ yyg->yy_start = 1; /* first start state */
+
+ if ( ! yyin )
+ yyin = stdin;
+
+ if ( ! yyout )
+ yyout = stdout;
+
+ if ( ! YY_CURRENT_BUFFER ) {
+ ast_yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ ast_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ ast_yy_load_buffer_state(yyscanner );
+ }
+
+ while ( 1 ) /* loops until end-of-file is reached */
+ {
+ yyg->yy_more_len = 0;
+ if ( yyg->yy_more_flag )
+ {
+ yyg->yy_more_len = yyg->yy_c_buf_p - yyg->yytext_ptr;
+ yyg->yy_more_flag = 0;
+ }
+ yy_cp = yyg->yy_c_buf_p;
+
+ /* Support of yytext. */
+ *yy_cp = yyg->yy_hold_char;
+
+ /* yy_bp points to the position in yy_ch_buf of the start of
+ * the current run.
+ */
+ yy_bp = yy_cp;
+
+ yy_current_state = yyg->yy_start;
+yy_match:
+ do
+ {
+ register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 58 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ ++yy_cp;
+ }
+ while ( yy_current_state != 57 );
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+
+yy_find_action:
+ yy_act = yy_accept[yy_current_state];
+
+ YY_DO_BEFORE_ACTION;
+
+do_action: /* This label is used only to access EOF actions. */
+
+ switch ( yy_act )
+ { /* beginning of action switch */
+ case 0: /* must back up */
+ /* undo the effects of YY_DO_BEFORE_ACTION */
+ *yy_cp = yyg->yy_hold_char;
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+ goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+#line 129 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_OR;}
+ YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 130 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_AND;}
+ YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 131 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_EQ;}
+ YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 132 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_OR;}
+ YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 133 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_AND;}
+ YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 134 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_EQ;}
+ YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 135 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_EQTILDE;}
+ YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 136 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_GT;}
+ YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 137 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_LT;}
+ YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 138 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_GE;}
+ YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 139 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_LE;}
+ YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 140 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_NE;}
+ YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 141 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_PLUS;}
+ YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 142 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_COMMA;}
+ YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 143 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_MINUS;}
+ YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 144 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_MULT;}
+ YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 145 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_DIV;}
+ YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 146 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_MOD;}
+ YY_BREAK
+case 19:
+YY_RULE_SETUP
+#line 147 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_COND;}
+ YY_BREAK
+case 20:
+YY_RULE_SETUP
+#line 148 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_COMPL;}
+ YY_BREAK
+case 21:
+YY_RULE_SETUP
+#line 149 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_COLON;}
+ YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 150 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_COLONCOLON;}
+ YY_BREAK
+case 23:
+YY_RULE_SETUP
+#line 151 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_LP;}
+ YY_BREAK
+case 24:
+YY_RULE_SETUP
+#line 152 "ast_expr2.fl"
+{ SET_COLUMNS; SET_STRING; return TOK_RP;}
+ YY_BREAK
+case 25:
+YY_RULE_SETUP
+#line 153 "ast_expr2.fl"
+{
+ /* gather the contents of ${} expressions, with trailing stuff,
+ * into a single TOKEN.
+ * They are much more complex now than they used to be
+ */
+ curlycount = 0;
+ BEGIN(var);
+ yymore();
+ }
+ YY_BREAK
+case 26:
+YY_RULE_SETUP
+#line 163 "ast_expr2.fl"
+{}
+ YY_BREAK
+case 27:
+/* rule 27 can match eol */
+YY_RULE_SETUP
+#line 164 "ast_expr2.fl"
+{SET_COLUMNS; SET_STRING; return TOKEN;}
+ YY_BREAK
+case 28:
+/* rule 28 can match eol */
+YY_RULE_SETUP
+#line 166 "ast_expr2.fl"
+{/* what to do with eol */}
+ YY_BREAK
+case 29:
+YY_RULE_SETUP
+#line 167 "ast_expr2.fl"
+{
+ SET_COLUMNS;
+ /* the original behavior of the expression parser was
+ * to bring in numbers as a numeric string
+ */
+ SET_NUMERIC_STRING;
+ return TOKEN;
+ }
+ YY_BREAK
+case 30:
+YY_RULE_SETUP
+#line 176 "ast_expr2.fl"
+{
+ SET_COLUMNS;
+ SET_STRING;
+ return TOKEN;
+ }
+ YY_BREAK
+case 31:
+/* rule 31 can match eol */
+YY_RULE_SETUP
+#line 183 "ast_expr2.fl"
+{
+ curlycount--;
+ if (curlycount < 0) {
+ BEGIN(trail);
+ yymore();
+ } else {
+ yymore();
+ }
+ }
+ YY_BREAK
+case 32:
+/* rule 32 can match eol */
+YY_RULE_SETUP
+#line 193 "ast_expr2.fl"
+{
+ curlycount++;
+ yymore();
+ }
+ YY_BREAK
+case 33:
+YY_RULE_SETUP
+#line 199 "ast_expr2.fl"
+{
+ BEGIN(0);
+ SET_COLUMNS;
+ SET_STRING;
+ return TOKEN;
+ }
+ YY_BREAK
+case 34:
+/* rule 34 can match eol */
+YY_RULE_SETUP
+#line 206 "ast_expr2.fl"
+{
+ char c = yytext[yyleng-1];
+ BEGIN(0);
+ unput(c);
+ SET_COLUMNS;
+ SET_STRING;
+ return TOKEN;
+ }
+ YY_BREAK
+case 35:
+YY_RULE_SETUP
+#line 215 "ast_expr2.fl"
+{
+ curlycount = 0;
+ BEGIN(var);
+ yymore();
+ }
+ YY_BREAK
+case YY_STATE_EOF(trail):
+#line 221 "ast_expr2.fl"
+{
+ BEGIN(0);
+ SET_COLUMNS;
+ SET_STRING;
+ return TOKEN;
+ /*actually, if an expr is only a variable ref, this could happen a LOT */
+ }
+ YY_BREAK
+case 36:
+YY_RULE_SETUP
+#line 229 "ast_expr2.fl"
+ECHO;
+ YY_BREAK
+#line 1170 "ast_expr2f.c"
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(var):
+ yyterminate();
+
+ case YY_END_OF_BUFFER:
+ {
+ /* Amount of text matched not including the EOB char. */
+ int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1;
+
+ /* Undo the effects of YY_DO_BEFORE_ACTION. */
+ *yy_cp = yyg->yy_hold_char;
+ YY_RESTORE_YY_MORE_OFFSET
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+ {
+ /* We're scanning a new file or input source. It's
+ * possible that this happened because the user
+ * just pointed yyin at a new source and called
+ * ast_yylex(). If so, then we have to assure
+ * consistency between YY_CURRENT_BUFFER and our
+ * globals. Here is the right place to do so, because
+ * this is the first action (other than possibly a
+ * back-up) that will match for the new input source.
+ */
+ yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+ }
+
+ /* Note that here we test for yy_c_buf_p "<=" to the position
+ * of the first EOB in the buffer, since yy_c_buf_p will
+ * already have been incremented past the NUL character
+ * (since all states make transitions on EOB to the
+ * end-of-buffer state). Contrast this with the test
+ * in input().
+ */
+ if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+ { /* This was really a NUL. */
+ yy_state_type yy_next_state;
+
+ yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ /* Okay, we're now positioned to make the NUL
+ * transition. We couldn't have
+ * yy_get_previous_state() go ahead and do it
+ * for us because it doesn't know how to deal
+ * with the possibility of jamming (and we don't
+ * want to build jamming into it because then it
+ * will run more slowly).
+ */
+
+ yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner);
+
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+
+ if ( yy_next_state )
+ {
+ /* Consume the NUL. */
+ yy_cp = ++yyg->yy_c_buf_p;
+ yy_current_state = yy_next_state;
+ goto yy_match;
+ }
+
+ else
+ {
+ yy_cp = yyg->yy_last_accepting_cpos;
+ yy_current_state = yyg->yy_last_accepting_state;
+ goto yy_find_action;
+ }
+ }
+
+ else switch ( yy_get_next_buffer( yyscanner ) )
+ {
+ case EOB_ACT_END_OF_FILE:
+ {
+ yyg->yy_did_buffer_switch_on_eof = 0;
+
+ if ( ast_yywrap(yyscanner ) )
+ {
+ /* Note: because we've taken care in
+ * yy_get_next_buffer() to have set up
+ * yytext, we can now set up
+ * yy_c_buf_p so that if some total
+ * hoser (like flex itself) wants to
+ * call the scanner after we return the
+ * YY_NULL, it'll still work - another
+ * YY_NULL will get returned.
+ */
+ yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;
+
+ yy_act = YY_STATE_EOF(YY_START);
+ goto do_action;
+ }
+
+ else
+ {
+ if ( ! yyg->yy_did_buffer_switch_on_eof )
+ YY_NEW_FILE;
+ }
+ break;
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ yyg->yy_c_buf_p =
+ yyg->yytext_ptr + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ yy_cp = yyg->yy_c_buf_p;
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+ goto yy_match;
+
+ case EOB_ACT_LAST_MATCH:
+ yyg->yy_c_buf_p =
+ &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];
+
+ yy_current_state = yy_get_previous_state( yyscanner );
+
+ yy_cp = yyg->yy_c_buf_p;
+ yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+ goto yy_find_action;
+ }
+ break;
+ }
+
+ default:
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--no action found" );
+ } /* end of action switch */
+ } /* end of scanning one token */
+} /* end of ast_yylex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ * EOB_ACT_LAST_MATCH -
+ * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ * EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+ register char *source = yyg->yytext_ptr;
+ register int number_to_move, i;
+ int ret_val;
+
+ if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] )
+ YY_FATAL_ERROR(
+ "fatal flex scanner internal error--end of buffer missed" );
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+ { /* Don't try to fill the buffer, so this is an EOF. */
+ if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 )
+ {
+ /* We matched a single character, the EOB, so
+ * treat this as a final EOF.
+ */
+ return EOB_ACT_END_OF_FILE;
+ }
+
+ else
+ {
+ /* We matched some text prior to the EOB, first
+ * process it.
+ */
+ return EOB_ACT_LAST_MATCH;
+ }
+ }
+
+ /* Try to read more data. */
+
+ /* First move last chars to start of buffer. */
+ number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1;
+
+ for ( i = 0; i < number_to_move; ++i )
+ *(dest++) = *(source++);
+
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+ /* don't do the read, it's not guaranteed to return an EOF,
+ * just force an EOF
+ */
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0;
+
+ else
+ {
+ int num_to_read =
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+ while ( num_to_read <= 0 )
+ { /* Not enough room in the buffer - grow it. */
+
+ /* just a shorter name for the current buffer */
+ YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+
+ int yy_c_buf_p_offset =
+ (int) (yyg->yy_c_buf_p - b->yy_ch_buf);
+
+ if ( b->yy_is_our_buffer )
+ {
+ int new_size = b->yy_buf_size * 2;
+
+ if ( new_size <= 0 )
+ b->yy_buf_size += b->yy_buf_size / 8;
+ else
+ b->yy_buf_size *= 2;
+
+ b->yy_ch_buf = (char *)
+ /* Include room in for 2 EOB chars. */
+ ast_yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner );
+ }
+ else
+ /* Can't grow it, we don't own it. */
+ b->yy_ch_buf = 0;
+
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR(
+ "fatal error - scanner input buffer overflow" );
+
+ yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+ num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+ number_to_move - 1;
+
+ }
+
+ if ( num_to_read > YY_READ_BUF_SIZE )
+ num_to_read = YY_READ_BUF_SIZE;
+
+ /* Read in more data. */
+ YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+ yyg->yy_n_chars, num_to_read );
+
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ if ( yyg->yy_n_chars == 0 )
+ {
+ if ( number_to_move == YY_MORE_ADJ )
+ {
+ ret_val = EOB_ACT_END_OF_FILE;
+ ast_yyrestart(yyin ,yyscanner);
+ }
+
+ else
+ {
+ ret_val = EOB_ACT_LAST_MATCH;
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+ YY_BUFFER_EOF_PENDING;
+ }
+ }
+
+ else
+ ret_val = EOB_ACT_CONTINUE_SCAN;
+
+ yyg->yy_n_chars += number_to_move;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
+
+ yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+ return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+ static yy_state_type yy_get_previous_state (yyscan_t yyscanner)
+{
+ register yy_state_type yy_current_state;
+ register char *yy_cp;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ yy_current_state = yyg->yy_start;
+
+ for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp )
+ {
+ register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 58 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ }
+
+ return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ * next_state = yy_try_NUL_trans( current_state );
+ */
+ static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner)
+{
+ register int yy_is_jam;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
+ register char *yy_cp = yyg->yy_c_buf_p;
+
+ register YY_CHAR yy_c = 1;
+ if ( yy_accept[yy_current_state] )
+ {
+ yyg->yy_last_accepting_state = yy_current_state;
+ yyg->yy_last_accepting_cpos = yy_cp;
+ }
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+ {
+ yy_current_state = (int) yy_def[yy_current_state];
+ if ( yy_current_state >= 58 )
+ yy_c = yy_meta[(unsigned int) yy_c];
+ }
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+ yy_is_jam = (yy_current_state == 57);
+
+ return yy_is_jam ? 0 : yy_current_state;
+}
+
+ static void yyunput (int c, register char * yy_bp , yyscan_t yyscanner)
+{
+ register char *yy_cp;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ yy_cp = yyg->yy_c_buf_p;
+
+ /* undo effects of setting up yytext */
+ *yy_cp = yyg->yy_hold_char;
+
+ if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+ { /* need to shift things up to make room */
+ /* +2 for EOB chars. */
+ register int number_to_move = yyg->yy_n_chars + 2;
+ register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
+ register char *source =
+ &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
+
+ while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+ *--dest = *--source;
+
+ yy_cp += (int) (dest - source);
+ yy_bp += (int) (dest - source);
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
+ yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
+
+ if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+ YY_FATAL_ERROR( "flex scanner push-back overflow" );
+ }
+
+ *--yy_cp = (char) c;
+
+ yyg->yytext_ptr = yy_bp;
+ yyg->yy_hold_char = *yy_cp;
+ yyg->yy_c_buf_p = yy_cp;
+}
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+ static int yyinput (yyscan_t yyscanner)
+#else
+ static int input (yyscan_t yyscanner)
+#endif
+
+{
+ int c;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+
+ if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
+ {
+ /* yy_c_buf_p now points to the character we want to return.
+ * If this occurs *before* the EOB characters, then it's a
+ * valid NUL; if not, then we've hit the end of the buffer.
+ */
+ if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+ /* This was really a NUL. */
+ *yyg->yy_c_buf_p = '\0';
+
+ else
+ { /* need more input */
+ int offset = yyg->yy_c_buf_p - yyg->yytext_ptr;
+ ++yyg->yy_c_buf_p;
+
+ switch ( yy_get_next_buffer( yyscanner ) )
+ {
+ case EOB_ACT_LAST_MATCH:
+ /* This happens because yy_g_n_b()
+ * sees that we've accumulated a
+ * token and flags that we need to
+ * try matching the token before
+ * proceeding. But for input(),
+ * there's no matching to consider.
+ * So convert the EOB_ACT_LAST_MATCH
+ * to EOB_ACT_END_OF_FILE.
+ */
+
+ /* Reset buffer status. */
+ ast_yyrestart(yyin ,yyscanner);
+
+ /*FALLTHROUGH*/
+
+ case EOB_ACT_END_OF_FILE:
+ {
+ if ( ast_yywrap(yyscanner ) )
+ return EOF;
+
+ if ( ! yyg->yy_did_buffer_switch_on_eof )
+ YY_NEW_FILE;
+#ifdef __cplusplus
+ return yyinput(yyscanner);
+#else
+ return input(yyscanner);
+#endif
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ yyg->yy_c_buf_p = yyg->yytext_ptr + offset;
+ break;
+ }
+ }
+ }
+
+ c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */
+ *yyg->yy_c_buf_p = '\0'; /* preserve yytext */
+ yyg->yy_hold_char = *++yyg->yy_c_buf_p;
+
+ return c;
+}
+#endif /* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * @param yyscanner The scanner object.
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+ void ast_yyrestart (FILE * input_file , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! YY_CURRENT_BUFFER ){
+ ast_yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ ast_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+ }
+
+ ast_yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
+ ast_yy_load_buffer_state(yyscanner );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * @param yyscanner The scanner object.
+ */
+ void ast_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* TODO. We should be able to replace this entire function body
+ * with
+ * ast_yypop_buffer_state();
+ * ast_yypush_buffer_state(new_buffer);
+ */
+ ast_yyensure_buffer_stack (yyscanner);
+ if ( YY_CURRENT_BUFFER == new_buffer )
+ return;
+
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+ ast_yy_load_buffer_state(yyscanner );
+
+ /* We don't actually know whether we did this switch during
+ * EOF (ast_yywrap()) processing, but the only time this flag
+ * is looked at is after ast_yywrap() is called, so it's safe
+ * to go ahead and always set it.
+ */
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+static void ast_yy_load_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+ yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+ yyg->yy_hold_char = *yyg->yy_c_buf_p;
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * @param yyscanner The scanner object.
+ * @return the allocated buffer state.
+ */
+ YY_BUFFER_STATE ast_yy_create_buffer (FILE * file, int size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ b = (YY_BUFFER_STATE) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in ast_yy_create_buffer()" );
+
+ b->yy_buf_size = size;
+
+ /* yy_ch_buf has to be 2 characters longer than the size given because
+ * we need to put in 2 end-of-buffer characters.
+ */
+ b->yy_ch_buf = (char *) ast_yyalloc(b->yy_buf_size + 2 ,yyscanner );
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in ast_yy_create_buffer()" );
+
+ b->yy_is_our_buffer = 1;
+
+ ast_yy_init_buffer(b,file ,yyscanner);
+
+ return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with ast_yy_create_buffer()
+ * @param yyscanner The scanner object.
+ */
+ void ast_yy_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! b )
+ return;
+
+ if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+ YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+ if ( b->yy_is_our_buffer )
+ ast_yyfree((void *) b->yy_ch_buf ,yyscanner );
+
+ ast_yyfree((void *) b ,yyscanner );
+}
+
+#ifndef __cplusplus
+extern int isatty (int );
+#endif /* __cplusplus */
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a ast_yyrestart() or at EOF.
+ */
+ static void ast_yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner)
+
+{
+ int oerrno = errno;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ ast_yy_flush_buffer(b ,yyscanner);
+
+ b->yy_input_file = file;
+ b->yy_fill_buffer = 1;
+
+ /* If b is the current buffer, then ast_yy_init_buffer was _probably_
+ * called from ast_yyrestart() or through yy_get_next_buffer.
+ * In that case, we don't want to reset the lineno or column.
+ */
+ if (b != YY_CURRENT_BUFFER){
+ b->yy_bs_lineno = 1;
+ b->yy_bs_column = 0;
+ }
+
+ b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+
+ errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * @param yyscanner The scanner object.
+ */
+ void ast_yy_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if ( ! b )
+ return;
+
+ b->yy_n_chars = 0;
+
+ /* We always need two end-of-buffer characters. The first causes
+ * a transition to the end-of-buffer state. The second causes
+ * a jam in that state.
+ */
+ b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+ b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+ b->yy_buf_pos = &b->yy_ch_buf[0];
+
+ b->yy_at_bol = 1;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ if ( b == YY_CURRENT_BUFFER )
+ ast_yy_load_buffer_state(yyscanner );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ * the current state. This function will allocate the stack
+ * if necessary.
+ * @param new_buffer The new state.
+ * @param yyscanner The scanner object.
+ */
+void ast_yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (new_buffer == NULL)
+ return;
+
+ ast_yyensure_buffer_stack(yyscanner);
+
+ /* This block is copied from ast_yy_switch_to_buffer. */
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *yyg->yy_c_buf_p = yyg->yy_hold_char;
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+ }
+
+ /* Only push if top exists. Otherwise, replace top. */
+ if (YY_CURRENT_BUFFER)
+ yyg->yy_buffer_stack_top++;
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+ /* copied from ast_yy_switch_to_buffer. */
+ ast_yy_load_buffer_state(yyscanner );
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ * The next element becomes the new top.
+ * @param yyscanner The scanner object.
+ */
+void ast_yypop_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (!YY_CURRENT_BUFFER)
+ return;
+
+ ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ if (yyg->yy_buffer_stack_top > 0)
+ --yyg->yy_buffer_stack_top;
+
+ if (YY_CURRENT_BUFFER) {
+ ast_yy_load_buffer_state(yyscanner );
+ yyg->yy_did_buffer_switch_on_eof = 1;
+ }
+}
+
+/* Allocates the stack if it does not exist.
+ * Guarantees space for at least one push.
+ */
+static void ast_yyensure_buffer_stack (yyscan_t yyscanner)
+{
+ int num_to_alloc;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (!yyg->yy_buffer_stack) {
+
+ /* First allocation is just for 2 elements, since we don't know if this
+ * scanner will even need a stack. We use 2 instead of 1 to avoid an
+ * immediate realloc on the next call.
+ */
+ num_to_alloc = 1;
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyalloc
+ (num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+
+ memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+
+ yyg->yy_buffer_stack_max = num_to_alloc;
+ yyg->yy_buffer_stack_top = 0;
+ return;
+ }
+
+ if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
+
+ /* Increase the buffer to prepare for a possible push. */
+ int grow_size = 8 /* arbitrary grow size */;
+
+ num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyrealloc
+ (yyg->yy_buffer_stack,
+ num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+
+ /* zero only the new slots.*/
+ memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
+ yyg->yy_buffer_stack_max = num_to_alloc;
+ }
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE ast_yy_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ if ( size < 2 ||
+ base[size-2] != YY_END_OF_BUFFER_CHAR ||
+ base[size-1] != YY_END_OF_BUFFER_CHAR )
+ /* They forgot to leave room for the EOB's. */
+ return 0;
+
+ b = (YY_BUFFER_STATE) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_buffer()" );
+
+ b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
+ b->yy_buf_pos = b->yy_ch_buf = base;
+ b->yy_is_our_buffer = 0;
+ b->yy_input_file = 0;
+ b->yy_n_chars = b->yy_buf_size;
+ b->yy_is_interactive = 0;
+ b->yy_at_bol = 1;
+ b->yy_fill_buffer = 0;
+ b->yy_buffer_status = YY_BUFFER_NEW;
+
+ ast_yy_switch_to_buffer(b ,yyscanner );
+
+ return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to ast_yylex() will
+ * scan from a @e copy of @a str.
+ * @param str a NUL-terminated string to scan
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ * ast_yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE ast_yy_scan_string (yyconst char * yystr , yyscan_t yyscanner)
+{
+
+ return ast_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to ast_yylex() will
+ * scan from a @e copy of @a bytes.
+ * @param bytes the byte buffer to scan
+ * @param len the number of bytes in the buffer pointed to by @a bytes.
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE ast_yy_scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+ char *buf;
+ yy_size_t n;
+ int i;
+
+ /* Get memory for full buffer, including space for trailing EOB's. */
+ n = _yybytes_len + 2;
+ buf = (char *) ast_yyalloc(n ,yyscanner );
+ if ( ! buf )
+ YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_bytes()" );
+
+ for ( i = 0; i < _yybytes_len; ++i )
+ buf[i] = yybytes[i];
+
+ buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+ b = ast_yy_scan_buffer(buf,n ,yyscanner);
+ if ( ! b )
+ YY_FATAL_ERROR( "bad buffer in ast_yy_scan_bytes()" );
+
+ /* It's okay to grow etc. this buffer, and we should throw it
+ * away when we're done.
+ */
+ b->yy_is_our_buffer = 1;
+
+ return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner)
+{
+ (void) fprintf( stderr, "%s\n", msg );
+ exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+ do \
+ { \
+ /* Undo effects of setting up yytext. */ \
+ int yyless_macro_arg = (n); \
+ YY_LESS_LINENO(yyless_macro_arg);\
+ yytext[yyleng] = yyg->yy_hold_char; \
+ yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
+ yyg->yy_hold_char = *yyg->yy_c_buf_p; \
+ *yyg->yy_c_buf_p = '\0'; \
+ yyleng = yyless_macro_arg; \
+ } \
+ while ( 0 )
+
+/* Accessor methods (get/set functions) to struct members. */
+
+/** Get the user-defined data for this scanner.
+ * @param yyscanner The scanner object.
+ */
+YY_EXTRA_TYPE ast_yyget_extra (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyextra;
+}
+
+/** Get the current line number.
+ * @param yyscanner The scanner object.
+ */
+int ast_yyget_lineno (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (! YY_CURRENT_BUFFER)
+ return 0;
+
+ return yylineno;
+}
+
+/** Get the current column number.
+ * @param yyscanner The scanner object.
+ */
+int ast_yyget_column (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if (! YY_CURRENT_BUFFER)
+ return 0;
+
+ return yycolumn;
+}
+
+/** Get the input stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *ast_yyget_in (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyin;
+}
+
+/** Get the output stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *ast_yyget_out (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyout;
+}
+
+/** Get the length of the current token.
+ * @param yyscanner The scanner object.
+ */
+int ast_yyget_leng (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yyleng;
+}
+
+/** Get the current token.
+ * @param yyscanner The scanner object.
+ */
+
+char *ast_yyget_text (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yytext;
+}
+
+/** Set the user-defined data. This data is never touched by the scanner.
+ * @param user_defined The data to be associated with this scanner.
+ * @param yyscanner The scanner object.
+ */
+void ast_yyset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyextra = user_defined ;
+}
+
+/** Set the current line number.
+ * @param line_number
+ * @param yyscanner The scanner object.
+ */
+void ast_yyset_lineno (int line_number , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* lineno is only valid if an input buffer exists. */
+ if (! YY_CURRENT_BUFFER )
+ yy_fatal_error( "ast_yyset_lineno called with no buffer" , yyscanner);
+
+ yylineno = line_number;
+}
+
+/** Set the current column.
+ * @param line_number
+ * @param yyscanner The scanner object.
+ */
+void ast_yyset_column (int column_no , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* column is only valid if an input buffer exists. */
+ if (! YY_CURRENT_BUFFER )
+ yy_fatal_error( "ast_yyset_column called with no buffer" , yyscanner);
+
+ yycolumn = column_no;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * @param yyscanner The scanner object.
+ * @see ast_yy_switch_to_buffer
+ */
+void ast_yyset_in (FILE * in_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyin = in_str ;
+}
+
+void ast_yyset_out (FILE * out_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyout = out_str ;
+}
+
+int ast_yyget_debug (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yy_flex_debug;
+}
+
+void ast_yyset_debug (int bdebug , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yy_flex_debug = bdebug ;
+}
+
+/* Accessor methods for yylval and yylloc */
+
+YYSTYPE * ast_yyget_lval (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yylval;
+}
+
+void ast_yyset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yylval = yylval_param;
+}
+
+YYLTYPE *ast_yyget_lloc (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yylloc;
+}
+
+void ast_yyset_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yylloc = yylloc_param;
+}
+
+/* User-visible API */
+
+/* ast_yylex_init is special because it creates the scanner itself, so it is
+ * the ONLY reentrant function that doesn't take the scanner as the last argument.
+ * That's why we explicitly handle the declaration, instead of using our macros.
+ */
+
+int ast_yylex_init(yyscan_t* ptr_yy_globals)
+
+{
+ if (ptr_yy_globals == NULL){
+ errno = EINVAL;
+ return 1;
+ }
+
+ *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), NULL );
+
+ if (*ptr_yy_globals == NULL){
+ errno = ENOMEM;
+ return 1;
+ }
+
+ /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
+ memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
+
+ return yy_init_globals ( *ptr_yy_globals );
+}
+
+static int yy_init_globals (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ /* Initialization is the same as for the non-reentrant scanner.
+ * This function is called from ast_yylex_destroy(), so don't allocate here.
+ */
+
+ yyg->yy_buffer_stack = 0;
+ yyg->yy_buffer_stack_top = 0;
+ yyg->yy_buffer_stack_max = 0;
+ yyg->yy_c_buf_p = (char *) 0;
+ yyg->yy_init = 0;
+ yyg->yy_start = 0;
+
+ yyg->yy_start_stack_ptr = 0;
+ yyg->yy_start_stack_depth = 0;
+ yyg->yy_start_stack = NULL;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+ yyin = stdin;
+ yyout = stdout;
+#else
+ yyin = (FILE *) 0;
+ yyout = (FILE *) 0;
+#endif
+
+ /* For future reference: Set errno on error, since we are called by
+ * ast_yylex_init()
+ */
+ return 0;
+}
+
+/* ast_yylex_destroy is for both reentrant and non-reentrant scanners. */
+int ast_yylex_destroy (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* Pop the buffer stack, destroying each element. */
+ while(YY_CURRENT_BUFFER){
+ ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ ast_yypop_buffer_state(yyscanner);
+ }
+
+ /* Destroy the stack itself. */
+ ast_yyfree(yyg->yy_buffer_stack ,yyscanner);
+ yyg->yy_buffer_stack = NULL;
+
+ /* Destroy the start condition stack. */
+ ast_yyfree(yyg->yy_start_stack ,yyscanner );
+ yyg->yy_start_stack = NULL;
+
+ /* Reset the globals. This is important in a non-reentrant scanner so the next time
+ * ast_yylex() is called, initialization will occur. */
+ yy_init_globals( yyscanner);
+
+ /* Destroy the main struct (reentrant only). */
+ ast_yyfree ( yyscanner , yyscanner );
+ yyscanner = NULL;
+ return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)
+{
+ register int i;
+ for ( i = 0; i < n; ++i )
+ s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner)
+{
+ register int n;
+ for ( n = 0; s[n]; ++n )
+ ;
+
+ return n;
+}
+#endif
+
+void *ast_yyalloc (yy_size_t size , yyscan_t yyscanner)
+{
+ return (void *) malloc( size );
+}
+
+void *ast_yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner)
+{
+ /* The cast to (char *) in the following accommodates both
+ * implementations that use char* generic pointers, and those
+ * that use void* generic pointers. It works with the latter
+ * because both ANSI C and C++ allow castless assignment from
+ * any pointer type to void*, and deal with argument conversions
+ * as though doing an assignment.
+ */
+ return (void *) realloc( (char *) ptr, size );
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 229 "ast_expr2.fl"
+
+
+
+/* I'm putting the interface routine to the whole parse here in the flexer input file
+ mainly because of all the flexer initialization that has to be done. Shouldn't matter
+ where it is, as long as it's somewhere. I didn't want to define a prototype for the
+ ast_yy_scan_string in the .y file, because then, I'd have to define YY_BUFFER_STATE there...
+ UGH! that would be inappropriate. */
+
+int ast_yyparse(void *); /* need to/should define this prototype for the call to yyparse */
+int ast_yyerror(const char *, YYLTYPE *, struct parse_io *); /* likewise */
+
+void ast_yyfree(void *ptr, yyscan_t yyscanner)
+{
+ if (ptr) /* the normal generated ast_yyfree func just frees its first arg;
+ this get complaints on some systems, as sometimes this
+ arg is a nil ptr! It's usually not fatal, but is irritating! */
+ free( (char *) ptr );
+}
+
+int ast_expr(char *expr, char *buf, int length, struct ast_channel *chan)
+{
+ struct parse_io io;
+ int return_value = 0;
+
+ memset(&io, 0, sizeof(io));
+ io.string = expr; /* to pass to the error routine */
+ io.chan = chan;
+
+ ast_yylex_init(&io.scanner);
+
+ ast_yy_scan_string(expr, io.scanner);
+
+ ast_yyparse ((void *) &io);
+
+ ast_yylex_destroy(io.scanner);
+
+ if (!io.val) {
+ if (length > 1) {
+ strcpy(buf, "0");
+ return_value = 1;
+ }
+ } else {
+ if (io.val->type == AST_EXPR_number) {
+ int res_length;
+
+ res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i);
+ return_value = (res_length <= length) ? res_length : length;
+ } else {
+ if (io.val->u.s)
+#if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE_AEL)
+ strncpy(buf, io.val->u.s, length - 1);
+#else /* !STANDALONE && !LOW_MEMORY */
+ ast_copy_string(buf, io.val->u.s, length);
+#endif /* STANDALONE || LOW_MEMORY */
+ else
+ buf[0] = 0;
+ return_value = strlen(buf);
+ if (io.val->u.s)
+ free(io.val->u.s);
+ }
+ free(io.val);
+ }
+ return return_value;
+}
+
+
+char extra_error_message[4095];
+int extra_error_message_supplied = 0;
+void ast_expr_register_extra_error_info(char *message);
+void ast_expr_clear_extra_error_info(void);
+
+void ast_expr_register_extra_error_info(char *message)
+{
+ extra_error_message_supplied=1;
+ strcpy(extra_error_message, message);
+}
+
+void ast_expr_clear_extra_error_info(void)
+{
+ extra_error_message_supplied=0;
+ extra_error_message[0] = 0;
+}
+
+static char *expr2_token_equivs1[] =
+{
+ "TOKEN",
+ "TOK_COND",
+ "TOK_COLONCOLON",
+ "TOK_OR",
+ "TOK_AND",
+ "TOK_EQ",
+ "TOK_GT",
+ "TOK_LT",
+ "TOK_GE",
+ "TOK_LE",
+ "TOK_NE",
+ "TOK_PLUS",
+ "TOK_MINUS",
+ "TOK_MULT",
+ "TOK_DIV",
+ "TOK_MOD",
+ "TOK_COMPL",
+ "TOK_COLON",
+ "TOK_EQTILDE",
+ "TOK_COMMA",
+ "TOK_RP",
+ "TOK_LP"
+};
+
+static char *expr2_token_equivs2[] =
+{
+ "<token>",
+ "?",
+ "::",
+ "|",
+ "&",
+ "=",
+ ">",
+ "<",
+ ">=",
+ "<=",
+ "!=",
+ "+",
+ "-",
+ "*",
+ "/",
+ "%",
+ "!",
+ ":",
+ "=~",
+ ",",
+ ")",
+ "("
+};
+
+
+static char *expr2_token_subst(const char *mess)
+{
+ /* calc a length, malloc, fill, and return; yyerror had better free it! */
+ int len=0,i;
+ const char *p;
+ char *res, *s,*t;
+ int expr2_token_equivs_entries = sizeof(expr2_token_equivs1)/sizeof(char*);
+
+ for (p=mess; *p; p++) {
+ for (i=0; i<expr2_token_equivs_entries; i++) {
+ if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 )
+ {
+ len+=strlen(expr2_token_equivs2[i])+2;
+ p += strlen(expr2_token_equivs1[i])-1;
+ break;
+ }
+ }
+ len++;
+ }
+ res = (char*)malloc(len+1);
+ res[0] = 0;
+ s = res;
+ for (p=mess; *p;) {
+ int found = 0;
+ for (i=0; i<expr2_token_equivs_entries; i++) {
+ if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 ) {
+ *s++ = '\'';
+ for (t=expr2_token_equivs2[i]; *t;) {
+ *s++ = *t++;
+ }
+ *s++ = '\'';
+ p += strlen(expr2_token_equivs1[i]);
+ found = 1;
+ break;
+ }
+ }
+ if( !found )
+ *s++ = *p++;
+ }
+ *s++ = 0;
+ return res;
+}
+
+int ast_yyerror (const char *s, yyltype *loc, struct parse_io *parseio )
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)(parseio->scanner);
+ char spacebuf[8000]; /* best safe than sorry */
+ char spacebuf2[8000]; /* best safe than sorry */
+ int i=0;
+ char *s2 = expr2_token_subst(s);
+ spacebuf[0] = 0;
+
+ for(i=0;i< (int)(yytext - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf);i++) spacebuf2[i] = ' '; /* uh... assuming yyg is defined, then I can use the yycolumn macro,
+ which is the same thing as... get this:
+ yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]->yy_bs_column
+ I was tempted to just use yy_buf_pos in the STATE, but..., well:
+ a. the yy_buf_pos is the current position in the buffer, which
+ may not relate to the entire string/buffer because of the
+ buffering.
+ b. but, analysis of the situation is that when you use the
+ ast_yy_scan_string func, it creates a single buffer the size of
+ string, so the two would be the same...
+ so, in the end, the yycolumn macro is available, shorter, therefore easier. */
+ spacebuf2[i++]='^';
+ spacebuf2[i]= 0;
+
+#ifdef STANDALONE3
+ /* easier to read in the standalone version */
+ printf("ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",
+ (extra_error_message_supplied?extra_error_message:""), s2, parseio->string,spacebuf2);
+#else
+ ast_log(LOG_WARNING,"ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",
+ (extra_error_message_supplied?extra_error_message:""), s2, parseio->string,spacebuf2);
+#endif
+#ifndef STANDALONE
+ ast_log(LOG_WARNING,"If you have questions, please refer to doc/channelvariables.txt in the asterisk source.\n");
+#endif
+ free(s2);
+ return(0);
+}
+