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Diffstat (limited to 'Build/source/utils/xindy/xindy-2.4/tex2xindy/tex2xindy.c')
-rw-r--r--Build/source/utils/xindy/xindy-2.4/tex2xindy/tex2xindy.c2471
1 files changed, 2471 insertions, 0 deletions
diff --git a/Build/source/utils/xindy/xindy-2.4/tex2xindy/tex2xindy.c b/Build/source/utils/xindy/xindy-2.4/tex2xindy/tex2xindy.c
new file mode 100644
index 00000000000..f598bca4223
--- /dev/null
+++ b/Build/source/utils/xindy/xindy-2.4/tex2xindy/tex2xindy.c
@@ -0,0 +1,2471 @@
+
+#line 3 "<stdout>"
+
+#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 35
+#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 */
+
+/* C99 requires __STDC__ to be defined as 1. */
+#if defined (__STDC__)
+
+#define YY_USE_CONST
+
+#endif /* defined (__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)
+
+/* 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 (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 (((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 yyrestart(yyin )
+
+#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
+
+extern int yyleng;
+
+extern FILE *yyin, *yyout;
+
+#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 = (yy_hold_char); \
+ YY_RESTORE_YY_MORE_OFFSET \
+ (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, (yytext_ptr) )
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t 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 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 */
+
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
+
+/* 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 ( (yy_buffer_stack) \
+ ? (yy_buffer_stack)[(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 (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+/* yy_hold_char holds the character lost when yytext is formed. */
+static char yy_hold_char;
+static int yy_n_chars; /* number of characters read into yy_ch_buf */
+int yyleng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = (char *) 0;
+static int yy_init = 0; /* whether we need to initialize */
+static int yy_start = 0; /* start state number */
+
+/* Flag which is used to allow yywrap()'s to do buffer switches
+ * instead of setting up a fresh yyin. A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void yyrestart (FILE *input_file );
+void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer );
+YY_BUFFER_STATE yy_create_buffer (FILE *file,int size );
+void yy_delete_buffer (YY_BUFFER_STATE b );
+void yy_flush_buffer (YY_BUFFER_STATE b );
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer );
+void yypop_buffer_state (void );
+
+static void yyensure_buffer_stack (void );
+static void yy_load_buffer_state (void );
+static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file );
+
+#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )
+
+YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size );
+YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str );
+YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len );
+
+void *yyalloc (yy_size_t );
+void *yyrealloc (void *,yy_size_t );
+void yyfree (void * );
+
+#define yy_new_buffer yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){ \
+ yyensure_buffer_stack (); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ yy_create_buffer(yyin,YY_BUF_SIZE ); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+ }
+
+#define yy_set_bol(at_bol) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){\
+ yyensure_buffer_stack (); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ yy_create_buffer(yyin,YY_BUF_SIZE ); \
+ } \
+ YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+ }
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+typedef unsigned char YY_CHAR;
+
+FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
+
+typedef int yy_state_type;
+
+extern int yylineno;
+
+int yylineno = 1;
+
+extern char *yytext;
+#define yytext_ptr yytext
+
+static yy_state_type yy_get_previous_state (void );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state );
+static int yy_get_next_buffer (void );
+static void yy_fatal_error (yyconst char msg[] );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+ (yytext_ptr) = yy_bp; \
+ yyleng = (size_t) (yy_cp - yy_bp); \
+ (yy_hold_char) = *yy_cp; \
+ *yy_cp = '\0'; \
+ (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[116] =
+ { 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 37, 35,
+ 34, 33, 35, 35, 32, 32, 31, 8, 32, 7,
+ 12, 32, 32, 10, 6, 11, 9, 13, 34, 35,
+ 24, 25, 19, 19, 19, 19, 15, 16, 19, 17,
+ 14, 18, 20, 21, 22, 23, 27, 27, 27, 27,
+ 26, 5, 4, 3, 0, 0, 0, 0, 24, 0,
+ 0, 0, 0, 0, 0, 28, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 29, 0, 0, 0, 0, 0, 0, 0, 0,
+
+ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
+ 0, 2, 0, 30, 0
+ } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 2, 4, 5, 1, 1, 1, 1, 1, 6,
+ 7, 1, 1, 1, 1, 1, 1, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 9, 1, 1,
+ 1, 1, 1, 10, 8, 8, 8, 8, 8, 8,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 11, 1, 12, 1, 1, 13, 8, 8, 14,
+
+ 15, 8, 16, 1, 17, 1, 1, 18, 1, 19,
+ 20, 1, 1, 21, 22, 23, 1, 1, 1, 24,
+ 25, 1, 26, 27, 28, 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, 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, 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, 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, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1
+ } ;
+
+static yyconst flex_int32_t yy_meta[29] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 2, 1, 1,
+ 1, 2, 2, 2, 2, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1
+ } ;
+
+static yyconst flex_int16_t yy_base[123] =
+ { 0,
+ 0, 4, 14, 41, 0, 4, 68, 93, 116, 0,
+ 143, 170, 8, 9, 1, 2, 197, 224, 174, 263,
+ 263, 263, 165, 15, 263, 263, 263, 263, 164, 263,
+ 263, 161, 153, 263, 263, 263, 263, 263, 31, 159,
+ 263, 263, 263, 263, 263, 160, 263, 263, 157, 263,
+ 263, 263, 263, 263, 263, 263, 263, 263, 158, 155,
+ 263, 263, 263, 263, 141, 136, 141, 36, 263, 132,
+ 133, 41, 129, 112, 117, 263, 119, 102, 99, 50,
+ 109, 102, 99, 67, 101, 81, 80, 70, 85, 64,
+ 64, 263, 78, 61, 53, 92, 42, 35, 95, 36,
+
+ 46, 103, 26, 64, 263, 114, 14, 122, 75, 125,
+ 86, 263, 143, 263, 263, 252, 254, 256, 258, 260,
+ 20, 19
+ } ;
+
+static yyconst flex_int16_t yy_def[123] =
+ { 0,
+ 116, 116, 117, 117, 4, 4, 116, 116, 4, 9,
+ 118, 118, 9, 9, 9, 9, 119, 119, 115, 115,
+ 115, 115, 120, 115, 115, 115, 115, 115, 120, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 115, 120, 115, 115, 115, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 120, 115,
+ 115, 115, 115, 115, 115, 115, 121, 115, 115, 115,
+ 115, 115, 115, 115, 115, 115, 122, 115, 115, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 0, 115, 115, 115, 115, 115,
+ 115, 115
+ } ;
+
+static yyconst flex_int16_t yy_nxt[292] =
+ { 0,
+ 115, 21, 22, 37, 23, 21, 22, 37, 23, 38,
+ 24, 53, 53, 38, 24, 26, 27, 28, 29, 64,
+ 80, 72, 30, 31, 32, 33, 54, 54, 56, 56,
+ 65, 66, 68, 54, 54, 55, 55, 68, 109, 34,
+ 35, 36, 26, 27, 28, 29, 107, 104, 76, 30,
+ 31, 32, 33, 76, 76, 76, 69, 84, 103, 101,
+ 100, 69, 84, 84, 84, 104, 34, 35, 36, 39,
+ 22, 105, 23, 98, 88, 97, 111, 92, 40, 88,
+ 88, 88, 92, 92, 92, 96, 95, 111, 94, 105,
+ 96, 96, 96, 41, 39, 22, 93, 23, 91, 99,
+
+ 112, 90, 102, 40, 99, 99, 99, 102, 102, 102,
+ 106, 112, 89, 87, 86, 106, 106, 106, 41, 25,
+ 85, 108, 83, 82, 25, 25, 108, 108, 108, 110,
+ 81, 79, 113, 78, 110, 110, 110, 113, 113, 113,
+ 77, 25, 25, 42, 44, 45, 75, 46, 47, 48,
+ 114, 74, 73, 49, 71, 114, 114, 114, 70, 64,
+ 63, 64, 63, 64, 67, 64, 63, 63, 50, 51,
+ 52, 44, 45, 115, 46, 47, 48, 115, 115, 115,
+ 49, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 115, 50, 51, 52, 58, 22,
+
+ 115, 59, 115, 115, 115, 115, 115, 60, 115, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 61, 58, 22, 115, 59, 115,
+ 115, 115, 115, 115, 60, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115, 61, 20, 20, 25, 25, 43, 43, 57, 57,
+ 62, 62, 19, 115, 115, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115
+
+ } ;
+
+static yyconst flex_int16_t yy_chk[292] =
+ { 0,
+ 0, 1, 1, 5, 1, 2, 2, 6, 2, 5,
+ 1, 13, 14, 6, 2, 3, 3, 3, 3, 24,
+ 122, 121, 3, 3, 3, 3, 15, 16, 15, 16,
+ 24, 24, 39, 13, 14, 13, 14, 68, 107, 3,
+ 3, 3, 4, 4, 4, 4, 103, 101, 72, 4,
+ 4, 4, 4, 72, 72, 72, 39, 80, 100, 98,
+ 97, 68, 80, 80, 80, 104, 4, 4, 4, 7,
+ 7, 101, 7, 95, 84, 94, 109, 88, 7, 84,
+ 84, 84, 88, 88, 88, 93, 91, 111, 90, 104,
+ 93, 93, 93, 7, 8, 8, 89, 8, 87, 96,
+
+ 109, 86, 99, 8, 96, 96, 96, 99, 99, 99,
+ 102, 111, 85, 83, 82, 102, 102, 102, 8, 9,
+ 81, 106, 79, 78, 9, 9, 106, 106, 106, 108,
+ 77, 75, 110, 74, 108, 108, 108, 110, 110, 110,
+ 73, 9, 9, 9, 11, 11, 71, 11, 11, 11,
+ 113, 70, 67, 11, 66, 113, 113, 113, 65, 60,
+ 59, 49, 46, 40, 33, 32, 29, 23, 11, 11,
+ 11, 12, 12, 19, 12, 12, 12, 0, 0, 0,
+ 12, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 12, 12, 12, 17, 17,
+
+ 0, 17, 0, 0, 0, 0, 0, 17, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 17, 18, 18, 0, 18, 0,
+ 0, 0, 0, 0, 18, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 18, 116, 116, 117, 117, 118, 118, 119, 119,
+ 120, 120, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
+ 115
+
+ } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+extern int yy_flex_debug;
+int yy_flex_debug = 0;
+
+/* 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() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *yytext;
+#line 1 "tex2xindy.l"
+#line 2 "tex2xindy.l"
+ /* $Id: tex2xindy.l,v 1.24 2010/05/10 23:02:17 jschrod Exp $
+ ============================================================
+ (history at end)
+
+=head1 NAME
+
+tex2xindy - a preprocessor of the xindy index processor
+
+=head1 SYNOPSIS
+
+ tex2xindy [-o] [attr_file]
+
+=head1 DESCRIPTION
+
+B<tex2xindy> transforms a LaTeX index file C<.idx> (or an C<.aux>
+file) into a B<xindy> raw index file.
+
+It is a filter that reads from F<stdin> a file in the input format of
+LaTeX's raw index file, i.e., with C<\indexentry> tags. It outputs on
+F<stdout> a B<xindy> raw index file, i.e., with C<indexentry> clauses.
+
+If the option B<-o> is not specified, B<tex2xindy> handles ^^-notation
+of TeX and outputs the octet that is represented: C<^^ab> in the input
+gets output as the octet 0xab. If C<^^^^abcd> or C<^^^^^^^^abcdefab>
+are detected, they are output as is.
+
+If the option B<-o> is specified, B<tex2xindy> operates in I<Omega
+mode> and handles its ^^-notation: Then C<^^ab>, C<^^^^abcd>, and
+C<^^^^^^^^abcdefab> represent Unicode characters with code points
+0xab, 0xabcd, and 0xabcdefab respectively. They are output in UTF-8
+encoding.
+
+If the optional argument F<attr_file> is specified, B<tex2xindy>
+writes all index key attributes into this file.
+
+
+=head1 DEFICITS
+
+This program was written since it was not easily possible to extract
+the parser from the old makeindex system. Therefore it does not find
+all errors in the input as the makeindex(1) version.
+
+Additionally it uses only the default input specifiers of
+makeindex(1). If other input specifiers (cf. manual page of
+makeindex(1)) are needed, the input specifiers (starting from the
+pattern C<KEYWORD>, see below) must be changed and the program must be
+recompiled.
+
+The particular missing feature is configuration of the quote and the
+actual characters, maybe also the escape, subitem (level), and encap
+characters. Argument and range delimiters seem to be less of a problem.
+
+In fact, input markup handling (and thus B<tex2xindy>) should be
+incorporated into the B<xindy> kernel, to be able to specify
+configuration in xindy style files.
+
+=head1 SEE ALSO
+
+texindy(1),
+xindy(1),
+makeindex(1)
+
+=head1 AUTHOR
+
+Roger Kehr, Institut fuer Theoretische Informatik, TU Darmstadt
+
+=head1 COPYRIGHT AND LICENSE
+
+Copyright (c) 1996,1997 Roger Kehr.
+Copyright (c) 2006 Joachim Schrod.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at
+your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+=cut
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define QUOTE_ECHO qs(yytext)
+
+FILE* attrfd = NULL;
+
+static int lineno = 1;
+static int braces = 0;
+static int xref_mode = 0;
+static int glos_mode = 0;
+static int errors = 0;
+static int omega_mode = 0;
+
+#define multiple_err \
+ { \
+ fprintf(stderr, "line %d: multiple %s's\n", lineno, yytext); \
+ errors++; \
+ }
+
+#define NO_RANGE 0
+#define OPEN_RANGE 1
+#define CLOSE_RANGE 2
+
+int range = NO_RANGE;
+
+/* This function quotes a character, if necessary. */
+
+static void qc( char ch ) {
+ switch (ch) {
+ case '\\' :
+ case '"' :
+ putchar( '\\' );
+ break;
+ }
+ putchar(ch);
+}
+
+/* Quote an entire string. */
+
+static void qs( char* str ) {
+ while ( *str ) {
+ qc( *str++ );
+ }
+}
+
+/*
+ Output an Omega character, ^^-notation in yytext, in UTF-8 encoding.
+ The parameter gets passed the amount of hex digits in the ^^-notation.
+ In front of the hex digits are the same amount of ^ chars.
+*/
+static void omega_output_utf8 ( int width )
+{
+ unsigned long int c = strtoul (yytext+width, NULL, 16);
+ if (c < 0x80) {
+ putchar (c);
+ }
+ else if (c < 0x800) {
+ putchar (0xC0 | (c>>6));
+ putchar (0x80 | (c & 0x3F));
+ }
+ else if (c < 0x10000) {
+ putchar (0xE0 | (c>>12));
+ putchar (0x80 | (c>>6 & 0x3F));
+ putchar (0x80 | (c & 0x3F));
+ }
+ else if (c < 0x200000) {
+ putchar (0xF0 | (c>>18));
+ putchar (0x80 | (c>>12 & 0x3F));
+ putchar (0x80 | (c>>6 & 0x3F));
+ putchar (0x80 | (c & 0x3F));
+ }
+ else if (c < 0x4000000) {
+ putchar (0xF8 | (c>>24));
+ putchar (0x80 | (c>>18 & 0x3F));
+ putchar (0x80 | (c>>12 & 0x3F));
+ putchar (0x80 | (c>>6 & 0x3F));
+ putchar (0x80 | (c & 0x3F));
+ }
+ else if (c < 0x80000000) {
+ putchar (0xFC | (c>>30));
+ putchar (0x80 | (c>>24 & 0x3F));
+ putchar (0x80 | (c>>18 & 0x3F));
+ putchar (0x80 | (c>>12 & 0x3F));
+ putchar (0x80 | (c>>6 & 0x3F));
+ putchar (0x80 | (c & 0x3F));
+ }
+ else { /* out of range, output U+FFFD REPLACEMENT CHARACTER */
+ fputs("\xef\xbf\xbd",stdout);
+ fprintf (stderr, "line %d: character %#lx not in UTF-8 range\n",
+ lineno, c);
+ }
+}
+
+
+#line 739 "<stdout>"
+
+#define INITIAL 0
+#define key 1
+#define print 2
+#define skip2location 3
+#define location 4
+#define encap 5
+#define xref 6
+#define is 7
+#define skiplocation 8
+
+#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
+
+static int yy_init_globals (void );
+
+/* Accessor methods to globals.
+ These are made visible to non-reentrant scanners for convenience. */
+
+int yylex_destroy (void );
+
+int yyget_debug (void );
+
+void yyset_debug (int debug_flag );
+
+YY_EXTRA_TYPE yyget_extra (void );
+
+void yyset_extra (YY_EXTRA_TYPE user_defined );
+
+FILE *yyget_in (void );
+
+void yyset_in (FILE * in_str );
+
+FILE *yyget_out (void );
+
+void yyset_out (FILE * out_str );
+
+int yyget_leng (void );
+
+char *yyget_text (void );
+
+int yyget_lineno (void );
+
+void yyset_lineno (int line_number );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap (void );
+#else
+extern int yywrap (void );
+#endif
+#endif
+
+ static void yyunput (int c,char *buf_ptr );
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * );
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (void );
+#else
+static int input (void );
+#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 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 = '*'; \
+ int 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 )
+#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 yylex (void);
+
+#define YY_DECL int yylex (void)
+#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;
+
+#line 207 "tex2xindy.l"
+
+
+#line 932 "<stdout>"
+
+ if ( !(yy_init) )
+ {
+ (yy_init) = 1;
+
+#ifdef YY_USER_INIT
+ YY_USER_INIT;
+#endif
+
+ if ( ! (yy_start) )
+ (yy_start) = 1; /* first start state */
+
+ if ( ! yyin )
+ yyin = stdin;
+
+ if ( ! yyout )
+ yyout = stdout;
+
+ if ( ! YY_CURRENT_BUFFER ) {
+ yyensure_buffer_stack ();
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer(yyin,YY_BUF_SIZE );
+ }
+
+ yy_load_buffer_state( );
+ }
+
+ while ( 1 ) /* loops until end-of-file is reached */
+ {
+ yy_cp = (yy_c_buf_p);
+
+ /* Support of yytext. */
+ *yy_cp = (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 = (yy_start);
+yy_match:
+ do
+ {
+ register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+ if ( yy_accept[yy_current_state] )
+ {
+ (yy_last_accepting_state) = yy_current_state;
+ (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 >= 116 )
+ 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_base[yy_current_state] != 263 );
+
+yy_find_action:
+ yy_act = yy_accept[yy_current_state];
+ if ( yy_act == 0 )
+ { /* have to back up */
+ yy_cp = (yy_last_accepting_cpos);
+ yy_current_state = (yy_last_accepting_state);
+ 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 = (yy_hold_char);
+ yy_cp = (yy_last_accepting_cpos);
+ yy_current_state = (yy_last_accepting_state);
+ goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+#line 209 "tex2xindy.l"
+{
+ printf("(indexentry :tkey ((\"");
+ xref_mode = 0;
+ glos_mode = 0;
+ BEGIN(key);
+ }
+ YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 216 "tex2xindy.l"
+{
+ printf("(indexentry :tkey ((\"");
+ xref_mode = 0;
+ glos_mode = 1;
+ BEGIN(key);
+ }
+ YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 223 "tex2xindy.l"
+{ QUOTE_ECHO; }
+ YY_BREAK
+case 4:
+/* rule 4 can match eol */
+YY_RULE_SETUP
+#line 224 "tex2xindy.l"
+{ qc(yytext[1]); lineno++; }
+ YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 225 "tex2xindy.l"
+{ qc(yytext[1]); }
+ YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 226 "tex2xindy.l"
+{
+ printf("\")) :attr \"");
+ range = NO_RANGE;
+ BEGIN(encap);
+ }
+ YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 231 "tex2xindy.l"
+{
+ if ( glos_mode ) {
+ printf("\")) :attr \"is\" :xref (\"");
+ range = NO_RANGE;
+ if (attrfd) fprintf(attrfd, "\txref\n");
+ BEGIN(is);
+ } else {
+ ECHO;
+ }
+ }
+ YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 241 "tex2xindy.l"
+{ printf("\") (\""); }
+ YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 242 "tex2xindy.l"
+{ printf("\") (\""); BEGIN(key); }
+ YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 243 "tex2xindy.l"
+{ ECHO; braces++; }
+ YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 244 "tex2xindy.l"
+{
+ if ( braces > 0 ) {
+ ECHO;
+ braces--;
+ } else {
+ printf("\"))");
+ BEGIN(skip2location);
+ }
+ }
+ YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 254 "tex2xindy.l"
+{ printf("\" \""); BEGIN(print); }
+ YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 255 "tex2xindy.l"
+{ multiple_err; }
+ YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 257 "tex2xindy.l"
+{ multiple_err; }
+ YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 258 "tex2xindy.l"
+{ range = OPEN_RANGE; }
+ YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 259 "tex2xindy.l"
+{ range = CLOSE_RANGE; }
+ YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 260 "tex2xindy.l"
+{ /* close :attr "... */
+ printf("\" :xref (\"");
+ if (attrfd) fprintf(attrfd, "\txref\n");
+ braces++;
+ BEGIN(xref);
+ }
+ YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 266 "tex2xindy.l"
+{
+ if ( braces > 0 ) {
+ ECHO;
+ braces--;
+ } else {
+ putchar('"');
+ if (attrfd) fprintf(attrfd, "\tlocref\n");
+ switch (range) {
+ case OPEN_RANGE:
+ printf(" :open-range");
+ break;
+ case CLOSE_RANGE:
+ printf(" :close-range");
+ break;
+ }
+ BEGIN(skip2location);
+ }
+ }
+ YY_BREAK
+case 19:
+/* rule 19 can match eol */
+YY_RULE_SETUP
+#line 284 "tex2xindy.l"
+{
+ QUOTE_ECHO;
+ if (attrfd) fwrite(yytext, sizeof(char), 1, attrfd);
+ if (*yytext == '\n') lineno++;
+ }
+ YY_BREAK
+case 20:
+YY_RULE_SETUP
+#line 292 "tex2xindy.l"
+{ printf("\" \""); }
+ YY_BREAK
+case 21:
+YY_RULE_SETUP
+#line 293 "tex2xindy.l"
+{ ECHO; braces++; }
+ YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 294 "tex2xindy.l"
+{
+ if ( braces > 1 ) {
+ ECHO;
+ braces--;
+ } else if ( braces == 1 ) {
+ braces--;
+ } else {
+ printf("\")");
+ xref_mode = 1;
+ BEGIN(skip2location);
+ }
+ }
+ YY_BREAK
+case 23:
+YY_RULE_SETUP
+#line 306 "tex2xindy.l"
+{
+ if ( braces > 0 ) {
+ ECHO;
+ braces--;
+ } else {
+ printf("\")");
+ xref_mode = 1;
+ BEGIN(skip2location);
+ }
+ }
+ YY_BREAK
+case 24:
+YY_RULE_SETUP
+#line 317 "tex2xindy.l"
+{
+ if (xref_mode) {
+ BEGIN(skiplocation);
+ } else {
+ printf(" :locref \"");
+ BEGIN(location);
+ }
+ }
+ YY_BREAK
+case 25:
+YY_RULE_SETUP
+#line 325 "tex2xindy.l"
+{ printf("\")\n"); BEGIN(0); }
+ YY_BREAK
+case 26:
+YY_RULE_SETUP
+#line 327 "tex2xindy.l"
+{ printf(")\n"); BEGIN(0); }
+ YY_BREAK
+case 27:
+YY_RULE_SETUP
+#line 328 "tex2xindy.l"
+{ ; }
+ YY_BREAK
+case 28:
+YY_RULE_SETUP
+#line 330 "tex2xindy.l"
+{
+ if ( omega_mode ) {
+ omega_output_utf8(2);
+ } else {
+ unput( strtol(yytext+2, NULL, 16) );
+ }
+ }
+ YY_BREAK
+case 29:
+YY_RULE_SETUP
+#line 337 "tex2xindy.l"
+{
+ if ( omega_mode ) {
+ omega_output_utf8(4);
+ } else {
+ ECHO;
+ }
+ }
+ YY_BREAK
+case 30:
+YY_RULE_SETUP
+#line 344 "tex2xindy.l"
+{
+ if ( omega_mode ) {
+ omega_output_utf8(8);
+ } else {
+ ECHO;
+ }
+ }
+ YY_BREAK
+case 31:
+/* rule 31 can match eol */
+YY_RULE_SETUP
+#line 352 "tex2xindy.l"
+{ ECHO; lineno++; }
+ YY_BREAK
+case 32:
+YY_RULE_SETUP
+#line 353 "tex2xindy.l"
+{ QUOTE_ECHO; }
+ YY_BREAK
+case 33:
+/* rule 33 can match eol */
+YY_RULE_SETUP
+#line 355 "tex2xindy.l"
+{ lineno++; }
+ YY_BREAK
+case 34:
+YY_RULE_SETUP
+#line 356 "tex2xindy.l"
+{ ; }
+ YY_BREAK
+case 35:
+YY_RULE_SETUP
+#line 357 "tex2xindy.l"
+{
+ fprintf(stderr,
+ "Encountered unexpected char '%c' on line %d\n",
+ yytext[0], lineno);
+ }
+ YY_BREAK
+case 36:
+YY_RULE_SETUP
+#line 363 "tex2xindy.l"
+ECHO;
+ YY_BREAK
+#line 1305 "<stdout>"
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(key):
+case YY_STATE_EOF(print):
+case YY_STATE_EOF(skip2location):
+case YY_STATE_EOF(location):
+case YY_STATE_EOF(encap):
+case YY_STATE_EOF(xref):
+case YY_STATE_EOF(is):
+case YY_STATE_EOF(skiplocation):
+ yyterminate();
+
+ case YY_END_OF_BUFFER:
+ {
+ /* Amount of text matched not including the EOB char. */
+ int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
+
+ /* Undo the effects of YY_DO_BEFORE_ACTION. */
+ *yy_cp = (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
+ * 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.
+ */
+ (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 ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+ { /* This was really a NUL. */
+ yy_state_type yy_next_state;
+
+ (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( );
+
+ /* 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 );
+
+ yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+
+ if ( yy_next_state )
+ {
+ /* Consume the NUL. */
+ yy_cp = ++(yy_c_buf_p);
+ yy_current_state = yy_next_state;
+ goto yy_match;
+ }
+
+ else
+ {
+ yy_cp = (yy_c_buf_p);
+ goto yy_find_action;
+ }
+ }
+
+ else switch ( yy_get_next_buffer( ) )
+ {
+ case EOB_ACT_END_OF_FILE:
+ {
+ (yy_did_buffer_switch_on_eof) = 0;
+
+ if ( yywrap( ) )
+ {
+ /* 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.
+ */
+ (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
+
+ yy_act = YY_STATE_EOF(YY_START);
+ goto do_action;
+ }
+
+ else
+ {
+ if ( ! (yy_did_buffer_switch_on_eof) )
+ YY_NEW_FILE;
+ }
+ break;
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ (yy_c_buf_p) =
+ (yytext_ptr) + yy_amount_of_matched_text;
+
+ yy_current_state = yy_get_previous_state( );
+
+ yy_cp = (yy_c_buf_p);
+ yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+ goto yy_match;
+
+ case EOB_ACT_LAST_MATCH:
+ (yy_c_buf_p) =
+ &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
+
+ yy_current_state = yy_get_previous_state( );
+
+ yy_cp = (yy_c_buf_p);
+ yy_bp = (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 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 (void)
+{
+ register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+ register char *source = (yytext_ptr);
+ register int number_to_move, i;
+ int ret_val;
+
+ if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(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 ( (yy_c_buf_p) - (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) ((yy_c_buf_p) - (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 = (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) ((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. */
+ yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );
+ }
+ 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" );
+
+ (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]),
+ (yy_n_chars), (size_t) num_to_read );
+
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+ }
+
+ if ( (yy_n_chars) == 0 )
+ {
+ if ( number_to_move == YY_MORE_ADJ )
+ {
+ ret_val = EOB_ACT_END_OF_FILE;
+ yyrestart(yyin );
+ }
+
+ 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;
+
+ if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+ /* Extend the array by 50%, plus the number we really need. */
+ yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size );
+ if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+ }
+
+ (yy_n_chars) += number_to_move;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+ (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 (void)
+{
+ register yy_state_type yy_current_state;
+ register char *yy_cp;
+
+ yy_current_state = (yy_start);
+
+ for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (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] )
+ {
+ (yy_last_accepting_state) = yy_current_state;
+ (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 >= 116 )
+ 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 )
+{
+ register int yy_is_jam;
+ register char *yy_cp = (yy_c_buf_p);
+
+ register YY_CHAR yy_c = 1;
+ if ( yy_accept[yy_current_state] )
+ {
+ (yy_last_accepting_state) = yy_current_state;
+ (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 >= 116 )
+ 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 == 115);
+
+ return yy_is_jam ? 0 : yy_current_state;
+}
+
+ static void yyunput (int c, register char * yy_bp )
+{
+ register char *yy_cp;
+
+ yy_cp = (yy_c_buf_p);
+
+ /* undo effects of setting up yytext */
+ *yy_cp = (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 = (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 =
+ (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;
+
+ (yytext_ptr) = yy_bp;
+ (yy_hold_char) = *yy_cp;
+ (yy_c_buf_p) = yy_cp;
+}
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+ static int yyinput (void)
+#else
+ static int input (void)
+#endif
+
+{
+ int c;
+
+ *(yy_c_buf_p) = (yy_hold_char);
+
+ if ( *(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 ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+ /* This was really a NUL. */
+ *(yy_c_buf_p) = '\0';
+
+ else
+ { /* need more input */
+ int offset = (yy_c_buf_p) - (yytext_ptr);
+ ++(yy_c_buf_p);
+
+ switch ( yy_get_next_buffer( ) )
+ {
+ 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. */
+ yyrestart(yyin );
+
+ /*FALLTHROUGH*/
+
+ case EOB_ACT_END_OF_FILE:
+ {
+ if ( yywrap( ) )
+ return EOF;
+
+ if ( ! (yy_did_buffer_switch_on_eof) )
+ YY_NEW_FILE;
+#ifdef __cplusplus
+ return yyinput();
+#else
+ return input();
+#endif
+ }
+
+ case EOB_ACT_CONTINUE_SCAN:
+ (yy_c_buf_p) = (yytext_ptr) + offset;
+ break;
+ }
+ }
+ }
+
+ c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
+ *(yy_c_buf_p) = '\0'; /* preserve yytext */
+ (yy_hold_char) = *++(yy_c_buf_p);
+
+ return c;
+}
+#endif /* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ *
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+ void yyrestart (FILE * input_file )
+{
+
+ if ( ! YY_CURRENT_BUFFER ){
+ yyensure_buffer_stack ();
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer(yyin,YY_BUF_SIZE );
+ }
+
+ yy_init_buffer(YY_CURRENT_BUFFER,input_file );
+ yy_load_buffer_state( );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ *
+ */
+ void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
+{
+
+ /* TODO. We should be able to replace this entire function body
+ * with
+ * yypop_buffer_state();
+ * yypush_buffer_state(new_buffer);
+ */
+ yyensure_buffer_stack ();
+ if ( YY_CURRENT_BUFFER == new_buffer )
+ return;
+
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *(yy_c_buf_p) = (yy_hold_char);
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+ }
+
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+ yy_load_buffer_state( );
+
+ /* We don't actually know whether we did this switch during
+ * EOF (yywrap()) processing, but the only time this flag
+ * is looked at is after yywrap() is called, so it's safe
+ * to go ahead and always set it.
+ */
+ (yy_did_buffer_switch_on_eof) = 1;
+}
+
+static void yy_load_buffer_state (void)
+{
+ (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+ (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+ yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+ (yy_hold_char) = *(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.
+ *
+ * @return the allocated buffer state.
+ */
+ YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
+{
+ YY_BUFFER_STATE b;
+
+ b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in 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 *) yyalloc(b->yy_buf_size + 2 );
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+ b->yy_is_our_buffer = 1;
+
+ yy_init_buffer(b,file );
+
+ return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ *
+ */
+ void yy_delete_buffer (YY_BUFFER_STATE b )
+{
+
+ 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 )
+ yyfree((void *) b->yy_ch_buf );
+
+ yyfree((void *) b );
+}
+
+#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 yyrestart() or at EOF.
+ */
+ static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
+
+{
+ int oerrno = errno;
+
+ yy_flush_buffer(b );
+
+ b->yy_input_file = file;
+ b->yy_fill_buffer = 1;
+
+ /* If b is the current buffer, then yy_init_buffer was _probably_
+ * called from 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.
+ *
+ */
+ void yy_flush_buffer (YY_BUFFER_STATE b )
+{
+ 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 )
+ yy_load_buffer_state( );
+}
+
+/** 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.
+ *
+ */
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+ if (new_buffer == NULL)
+ return;
+
+ yyensure_buffer_stack();
+
+ /* This block is copied from yy_switch_to_buffer. */
+ if ( YY_CURRENT_BUFFER )
+ {
+ /* Flush out information for old buffer. */
+ *(yy_c_buf_p) = (yy_hold_char);
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+ }
+
+ /* Only push if top exists. Otherwise, replace top. */
+ if (YY_CURRENT_BUFFER)
+ (yy_buffer_stack_top)++;
+ YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+ /* copied from yy_switch_to_buffer. */
+ yy_load_buffer_state( );
+ (yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ * The next element becomes the new top.
+ *
+ */
+void yypop_buffer_state (void)
+{
+ if (!YY_CURRENT_BUFFER)
+ return;
+
+ yy_delete_buffer(YY_CURRENT_BUFFER );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ if ((yy_buffer_stack_top) > 0)
+ --(yy_buffer_stack_top);
+
+ if (YY_CURRENT_BUFFER) {
+ yy_load_buffer_state( );
+ (yy_did_buffer_switch_on_eof) = 1;
+ }
+}
+
+/* Allocates the stack if it does not exist.
+ * Guarantees space for at least one push.
+ */
+static void yyensure_buffer_stack (void)
+{
+ int num_to_alloc;
+
+ if (!(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;
+ (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
+ (num_to_alloc * sizeof(struct yy_buffer_state*)
+ );
+ if ( ! (yy_buffer_stack) )
+ YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+ memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+
+ (yy_buffer_stack_max) = num_to_alloc;
+ (yy_buffer_stack_top) = 0;
+ return;
+ }
+
+ if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+ /* Increase the buffer to prepare for a possible push. */
+ int grow_size = 8 /* arbitrary grow size */;
+
+ num_to_alloc = (yy_buffer_stack_max) + grow_size;
+ (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
+ ((yy_buffer_stack),
+ num_to_alloc * sizeof(struct yy_buffer_state*)
+ );
+ if ( ! (yy_buffer_stack) )
+ YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+ /* zero only the new slots.*/
+ memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+ (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
+ *
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
+{
+ 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) yyalloc(sizeof( struct yy_buffer_state ) );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in 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;
+
+ yy_switch_to_buffer(b );
+
+ return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to yylex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ *
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ * yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
+{
+
+ return yy_scan_bytes(yystr,strlen(yystr) );
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to 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.
+ *
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len )
+{
+ 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 *) yyalloc(n );
+ if ( ! buf )
+ YY_FATAL_ERROR( "out of dynamic memory in 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 = yy_scan_buffer(buf,n );
+ if ( ! b )
+ YY_FATAL_ERROR( "bad buffer in 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 )
+{
+ (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] = (yy_hold_char); \
+ (yy_c_buf_p) = yytext + yyless_macro_arg; \
+ (yy_hold_char) = *(yy_c_buf_p); \
+ *(yy_c_buf_p) = '\0'; \
+ yyleng = yyless_macro_arg; \
+ } \
+ while ( 0 )
+
+/* Accessor methods (get/set functions) to struct members. */
+
+/** Get the current line number.
+ *
+ */
+int yyget_lineno (void)
+{
+
+ return yylineno;
+}
+
+/** Get the input stream.
+ *
+ */
+FILE *yyget_in (void)
+{
+ return yyin;
+}
+
+/** Get the output stream.
+ *
+ */
+FILE *yyget_out (void)
+{
+ return yyout;
+}
+
+/** Get the length of the current token.
+ *
+ */
+int yyget_leng (void)
+{
+ return yyleng;
+}
+
+/** Get the current token.
+ *
+ */
+
+char *yyget_text (void)
+{
+ return yytext;
+}
+
+/** Set the current line number.
+ * @param line_number
+ *
+ */
+void yyset_lineno (int line_number )
+{
+
+ yylineno = line_number;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ *
+ * @see yy_switch_to_buffer
+ */
+void yyset_in (FILE * in_str )
+{
+ yyin = in_str ;
+}
+
+void yyset_out (FILE * out_str )
+{
+ yyout = out_str ;
+}
+
+int yyget_debug (void)
+{
+ return yy_flex_debug;
+}
+
+void yyset_debug (int bdebug )
+{
+ yy_flex_debug = bdebug ;
+}
+
+static int yy_init_globals (void)
+{
+ /* Initialization is the same as for the non-reentrant scanner.
+ * This function is called from yylex_destroy(), so don't allocate here.
+ */
+
+ (yy_buffer_stack) = 0;
+ (yy_buffer_stack_top) = 0;
+ (yy_buffer_stack_max) = 0;
+ (yy_c_buf_p) = (char *) 0;
+ (yy_init) = 0;
+ (yy_start) = 0;
+
+/* 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
+ * yylex_init()
+ */
+ return 0;
+}
+
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */
+int yylex_destroy (void)
+{
+
+ /* Pop the buffer stack, destroying each element. */
+ while(YY_CURRENT_BUFFER){
+ yy_delete_buffer(YY_CURRENT_BUFFER );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ yypop_buffer_state();
+ }
+
+ /* Destroy the stack itself. */
+ yyfree((yy_buffer_stack) );
+ (yy_buffer_stack) = NULL;
+
+ /* Reset the globals. This is important in a non-reentrant scanner so the next time
+ * yylex() is called, initialization will occur. */
+ yy_init_globals( );
+
+ return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
+{
+ 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 )
+{
+ register int n;
+ for ( n = 0; s[n]; ++n )
+ ;
+
+ return n;
+}
+#endif
+
+void *yyalloc (yy_size_t size )
+{
+ return (void *) malloc( size );
+}
+
+void *yyrealloc (void * ptr, yy_size_t size )
+{
+ /* 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 );
+}
+
+void yyfree (void * ptr )
+{
+ free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 363 "tex2xindy.l"
+
+
+
+static void usage (void)
+{
+ fputs("This is tex2xindy, $Revision: 1.24 $.\n", stderr);
+ fputs("usage: tex2xindy [-o] [attr_file]\n", stderr);
+ exit (1);
+}
+
+int
+main(int argc, char* argv[])
+{
+ int option;
+ extern char *optarg;
+ extern int optind, optopt;
+
+ while ( (option=getopt(argc, argv, ":o")) != -1 ) {
+ switch (option) {
+ case 'o':
+ omega_mode = 1;
+ break;
+ case '?':
+ default:
+ fprintf(stderr, "Unrecognized option: -%c\n", optopt);
+ usage();
+ /* NOTREACHED */
+ }
+ }
+
+ /* More than one argument left? */
+ if ( optind < argc - 1 ) usage();
+
+ /* attr_file specified? */
+ if ( optind == argc - 1 ) {
+ fprintf(stderr, "Writing attribute names to file \"%s\".\n",
+ argv[optind]);
+ if ( (attrfd = fopen(argv[optind], "w")) == NULL ) {
+ perror (argv[optind]);
+ exit (1);
+ }
+ }
+
+ yylex();
+ if (attrfd) fclose(attrfd);
+ return (errors > 0); /* 1 or 0 */
+}
+
+
+/*
+ * Define dummy yywrap so we no longer depend on `libfl.a'.
+ */
+int yywrap (void)
+{
+ return 1;
+}
+
+
+/* ============================================================
+
+ $Log: tex2xindy.l,v $
+ Revision 1.24 2010/05/10 23:02:17 jschrod
+ Use ANSI C function definitions. (Patch from peb.)
+
+ Revision 1.23 2009/12/03 00:42:14 jschrod
+ Define internal functions as static to silence gcc warnings.
+
+ Revision 1.22 2009/12/03 00:36:09 jschrod
+ Define yywrap(), to be independent from libfl.
+
+ Revision 1.21 2006/07/30 09:44:04 jschrod
+ While quote is not output, escape+quote *is* output.
+
+ Revision 1.20 2006/07/18 21:40:45 jschrod
+ Add parenthesis as recommended by gcc -Wall.
+ Use ECHO instead of QUOTE_ECHO where quoting will not be needed.
+ Code cleanup: sanitize braces and indentation.
+
+ Revision 1.19 2006/07/18 21:26:34 jschrod
+ Add man page as POD to tex2xindy source.
+ Add support for ^^-notation, both in TeX and in new Omega mode.
+ Add usage message and proper option parsing.
+
+ Revision 1.18 2006/02/21 12:12:05 jschrod
+ Don't output escape or quote characters.
+
+ Revision 1.17 2006/02/21 02:05:00 jschrod
+ Quote really quotes the next char, now.
+
+ Revision 1.16 2005/06/27 20:49:06 jschrod
+ Keywords may be inmidst a line, as Jörg Sommer showed.
+ "." rule merging did not work for attributes, and for skiplocation.
+ Output error message if we come across chars outside our FSA.
+
+ Revision 1.15 2005/06/14 16:22:08 jschrod
+ Fold in changes from Thomas Henlich, as of 2000-02-14:
+ Paranoia fix: recognize KEYWORD only in INITIAL start condition.
+ Recognize \n and count lines (multiline entries do exist!).
+ Merged "." rules.
+ Fixed error messages (multiple ...).
+
+ Revision 1.14 2004/10/05 21:10:48 jschrod
+ Handles quote character correctly (bug ticket 1006128).
+ Test case: german-sty.
+
+ Revision 1.13 2002/01/29 13:32:58 thenlich
+ Fixed bug in crossref-to-subitem bugfix. The original one proposed by Roger Kehr
+ was right, only I copied it wrongly (shame on me). Thanks to Torsten Bronger
+ for pointing it out to me.
+
+ Revision 1.12 1999/10/13 08:06:44 kehr
+ Changed revision number message back to RCS-tag. No functional changes.
+
+ Revision 1.11 1999/10/13 08:05:10 kehr
+ Merged bugfix from Thomas Henlich with my own modifications.
+
+ 1.8 Fixed minor quoting bugs (for increased makeindex compatibility).
+ 1999-07-28 Thomas Henlich <henlich@mmers1.mw.tu-dresden.de>
+ Fixed crossref to subitem.
+ 1999-09-23 Thomas Henlich <henlich@mmers1.mw.tu-dresden.de>
+
+ 1.7 Fixed a bug concerning writing to and closing non-existing file (stat)
+ Fixed a bug concerning quoting the " character.
+ Enhancement for processing glossary files.
+ 1999-06-14 Thomas Henlich <henlich@mmers1.mw.tu-dresden.de>
+
+ Revision 1.10 1999/09/23 06:53:32 kehr
+ Fixed wrong raw index generation for cross-ref keywords.
+
+ Revision 1.9 1999/04/27 09:01:17 kehr
+ Defined a clean exit code as suggested by Klaus Guntermann
+ <guntermann@iti.informatik.tu-darmstadt.de>.
+
+ Revision 1.8 1999/04/27 08:57:48 kehr
+ Added quoting patch sent by Thomas Henlich <thenlich@Rcs1.urz.tu-dresden.de>
+
+ Revision 1.7 1999/04/27 08:56:59 kehr
+ Another checkin.
+
+ Revision 1.6 1997/02/13 14:42:50 kehr
+ Minor changes.
+
+ Revision 1.5 1997/01/21 16:44:36 kehr
+ Bugfix: State <print> was not changed back to <key> if {LEVEL} was found.
+
+ Revision 1.4 1997/01/17 16:30:37 kehr
+ Rewrote makeindex4 and heavily modified tex2xindy.
+
+ Revision 1.3 1996/07/19 17:15:18 kehr
+ Made this program comaptible with lex by correctly enclosing all
+ actions--stupid bug, 'cause lex didn't complain and flex did some
+ wonderful matching of all the actions such that no error was
+ discovered.
+
+ Revision 1.2 1996/07/11 14:16:55 kehr
+ Complete Major checkin before changing the letter-groups.
+
+ Revision 1.1 1996/06/24 08:53:57 kehr
+ Initial checkin of the Makefile, README and tex2xindy.
+*/
+