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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:17:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:17:33 +0000
commit5e45211a64149b3c659b90ff2de6fa982a5a93ed (patch)
tree739caf8c461053357daa9f162bef34516c7bf452 /src/bin/psql/psqlscanslash.c
parentInitial commit. (diff)
downloadpostgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.tar.xz
postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.zip
Adding upstream version 15.5.upstream/15.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/bin/psql/psqlscanslash.c')
-rw-r--r--src/bin/psql/psqlscanslash.c3485
1 files changed, 3485 insertions, 0 deletions
diff --git a/src/bin/psql/psqlscanslash.c b/src/bin/psql/psqlscanslash.c
new file mode 100644
index 0000000..515f215
--- /dev/null
+++ b/src/bin/psql/psqlscanslash.c
@@ -0,0 +1,3485 @@
+#line 2 "psqlscanslash.c"
+/*-------------------------------------------------------------------------
+ *
+ * psqlscanslash.l
+ * lexical scanner for psql backslash commands
+ *
+ * XXX Avoid creating backtracking cases --- see the backend lexer for info.
+ *
+ * See fe_utils/psqlscan_int.h for additional commentary.
+ *
+ * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ * src/bin/psql/psqlscanslash.l
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres_fe.h"
+
+#include "psqlscanslash.h"
+#include "common/logging.h"
+#include "fe_utils/conditional.h"
+
+#include "libpq-fe.h"
+
+#line 28 "psqlscanslash.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 6
+#define YY_FLEX_SUBMINOR_VERSION 4
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+#ifdef yy_create_buffer
+#define slash_yy_create_buffer_ALREADY_DEFINED
+#else
+#define yy_create_buffer slash_yy_create_buffer
+#endif
+
+#ifdef yy_delete_buffer
+#define slash_yy_delete_buffer_ALREADY_DEFINED
+#else
+#define yy_delete_buffer slash_yy_delete_buffer
+#endif
+
+#ifdef yy_scan_buffer
+#define slash_yy_scan_buffer_ALREADY_DEFINED
+#else
+#define yy_scan_buffer slash_yy_scan_buffer
+#endif
+
+#ifdef yy_scan_string
+#define slash_yy_scan_string_ALREADY_DEFINED
+#else
+#define yy_scan_string slash_yy_scan_string
+#endif
+
+#ifdef yy_scan_bytes
+#define slash_yy_scan_bytes_ALREADY_DEFINED
+#else
+#define yy_scan_bytes slash_yy_scan_bytes
+#endif
+
+#ifdef yy_init_buffer
+#define slash_yy_init_buffer_ALREADY_DEFINED
+#else
+#define yy_init_buffer slash_yy_init_buffer
+#endif
+
+#ifdef yy_flush_buffer
+#define slash_yy_flush_buffer_ALREADY_DEFINED
+#else
+#define yy_flush_buffer slash_yy_flush_buffer
+#endif
+
+#ifdef yy_load_buffer_state
+#define slash_yy_load_buffer_state_ALREADY_DEFINED
+#else
+#define yy_load_buffer_state slash_yy_load_buffer_state
+#endif
+
+#ifdef yy_switch_to_buffer
+#define slash_yy_switch_to_buffer_ALREADY_DEFINED
+#else
+#define yy_switch_to_buffer slash_yy_switch_to_buffer
+#endif
+
+#ifdef yypush_buffer_state
+#define slash_yypush_buffer_state_ALREADY_DEFINED
+#else
+#define yypush_buffer_state slash_yypush_buffer_state
+#endif
+
+#ifdef yypop_buffer_state
+#define slash_yypop_buffer_state_ALREADY_DEFINED
+#else
+#define yypop_buffer_state slash_yypop_buffer_state
+#endif
+
+#ifdef yyensure_buffer_stack
+#define slash_yyensure_buffer_stack_ALREADY_DEFINED
+#else
+#define yyensure_buffer_stack slash_yyensure_buffer_stack
+#endif
+
+#ifdef yylex
+#define slash_yylex_ALREADY_DEFINED
+#else
+#define yylex slash_yylex
+#endif
+
+#ifdef yyrestart
+#define slash_yyrestart_ALREADY_DEFINED
+#else
+#define yyrestart slash_yyrestart
+#endif
+
+#ifdef yylex_init
+#define slash_yylex_init_ALREADY_DEFINED
+#else
+#define yylex_init slash_yylex_init
+#endif
+
+#ifdef yylex_init_extra
+#define slash_yylex_init_extra_ALREADY_DEFINED
+#else
+#define yylex_init_extra slash_yylex_init_extra
+#endif
+
+#ifdef yylex_destroy
+#define slash_yylex_destroy_ALREADY_DEFINED
+#else
+#define yylex_destroy slash_yylex_destroy
+#endif
+
+#ifdef yyget_debug
+#define slash_yyget_debug_ALREADY_DEFINED
+#else
+#define yyget_debug slash_yyget_debug
+#endif
+
+#ifdef yyset_debug
+#define slash_yyset_debug_ALREADY_DEFINED
+#else
+#define yyset_debug slash_yyset_debug
+#endif
+
+#ifdef yyget_extra
+#define slash_yyget_extra_ALREADY_DEFINED
+#else
+#define yyget_extra slash_yyget_extra
+#endif
+
+#ifdef yyset_extra
+#define slash_yyset_extra_ALREADY_DEFINED
+#else
+#define yyset_extra slash_yyset_extra
+#endif
+
+#ifdef yyget_in
+#define slash_yyget_in_ALREADY_DEFINED
+#else
+#define yyget_in slash_yyget_in
+#endif
+
+#ifdef yyset_in
+#define slash_yyset_in_ALREADY_DEFINED
+#else
+#define yyset_in slash_yyset_in
+#endif
+
+#ifdef yyget_out
+#define slash_yyget_out_ALREADY_DEFINED
+#else
+#define yyget_out slash_yyget_out
+#endif
+
+#ifdef yyset_out
+#define slash_yyset_out_ALREADY_DEFINED
+#else
+#define yyset_out slash_yyset_out
+#endif
+
+#ifdef yyget_leng
+#define slash_yyget_leng_ALREADY_DEFINED
+#else
+#define yyget_leng slash_yyget_leng
+#endif
+
+#ifdef yyget_text
+#define slash_yyget_text_ALREADY_DEFINED
+#else
+#define yyget_text slash_yyget_text
+#endif
+
+#ifdef yyget_lineno
+#define slash_yyget_lineno_ALREADY_DEFINED
+#else
+#define yyget_lineno slash_yyget_lineno
+#endif
+
+#ifdef yyset_lineno
+#define slash_yyset_lineno_ALREADY_DEFINED
+#else
+#define yyset_lineno slash_yyset_lineno
+#endif
+
+#ifdef yyget_column
+#define slash_yyget_column_ALREADY_DEFINED
+#else
+#define yyget_column slash_yyget_column
+#endif
+
+#ifdef yyset_column
+#define slash_yyset_column_ALREADY_DEFINED
+#else
+#define yyset_column slash_yyset_column
+#endif
+
+#ifdef yywrap
+#define slash_yywrap_ALREADY_DEFINED
+#else
+#define yywrap slash_yywrap
+#endif
+
+#ifdef yyget_lval
+#define slash_yyget_lval_ALREADY_DEFINED
+#else
+#define yyget_lval slash_yyget_lval
+#endif
+
+#ifdef yyset_lval
+#define slash_yyset_lval_ALREADY_DEFINED
+#else
+#define yyset_lval slash_yyset_lval
+#endif
+
+#ifdef yyalloc
+#define slash_yyalloc_ALREADY_DEFINED
+#else
+#define yyalloc slash_yyalloc
+#endif
+
+#ifdef yyrealloc
+#define slash_yyrealloc_ALREADY_DEFINED
+#else
+#define yyrealloc slash_yyrealloc
+#endif
+
+#ifdef yyfree
+#define slash_yyfree_ALREADY_DEFINED
+#else
+#define yyfree slash_yyfree
+#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;
+
+/* 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
+
+#ifndef SIZE_MAX
+#define SIZE_MAX (~(size_t)0)
+#endif
+
+#endif /* ! C99 */
+
+#endif /* ! FLEXINT_H */
+
+/* begin standard C++ headers. */
+
+/* TODO: this is always defined, so inline it */
+#define yyconst const
+
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define yynoreturn __attribute__((__noreturn__))
+#else
+#define yynoreturn
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an
+ * integer in range [0..255] for use as an array index.
+ */
+#define YY_SC_TO_UI(c) ((YY_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
+
+/* 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 yyrestart( yyin , yyscanner )
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
+#define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
+#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
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#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)
+ #define YY_LINENO_REWIND_TO(ptr)
+
+/* 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 )
+
+#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.
+ */
+ int 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 */
+
+/* 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 yyrestart ( FILE *input_file , yyscan_t yyscanner );
+void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner );
+YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size , yyscan_t yyscanner );
+void yy_delete_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner );
+void yy_flush_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner );
+void yypush_buffer_state ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner );
+void yypop_buffer_state ( yyscan_t yyscanner );
+
+static void yyensure_buffer_stack ( yyscan_t yyscanner );
+static void yy_load_buffer_state ( yyscan_t yyscanner );
+static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file , yyscan_t yyscanner );
+#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER , yyscanner)
+
+YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size , yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_string ( const char *yy_str , yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len , yyscan_t yyscanner );
+
+void *yyalloc ( yy_size_t , yyscan_t yyscanner );
+void *yyrealloc ( void *, yy_size_t , yyscan_t yyscanner );
+void yyfree ( void * , yyscan_t yyscanner );
+
+#define yy_new_buffer yy_create_buffer
+#define yy_set_interactive(is_interactive) \
+ { \
+ if ( ! YY_CURRENT_BUFFER ){ \
+ yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ 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 ){\
+ yyensure_buffer_stack (yyscanner); \
+ YY_CURRENT_BUFFER_LVALUE = \
+ 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 slash_yywrap(yyscanner) (/*CONSTCOND*/1)
+#define YY_SKIP_YYWRAP
+typedef flex_uint8_t YY_CHAR;
+
+typedef int yy_state_type;
+
+#define yytext_ptr yytext_r
+
+static const flex_int16_t yy_nxt[][22] =
+ {
+ {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0
+ },
+
+ {
+ 19, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+ 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+ 20, 20
+ },
+
+ {
+ 19, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+ 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
+ 20, 20
+ },
+
+ {
+ 19, 21, 22, 23, 21, 21, 21, 21, 21, 21,
+
+ 21, 22, 21, 21, 21, 21, 21, 21, 21, 21,
+ 21, 21
+ },
+
+ {
+ 19, 21, 22, 23, 21, 21, 21, 21, 21, 21,
+ 21, 22, 21, 21, 21, 21, 21, 21, 21, 21,
+ 21, 21
+ },
+
+ {
+ 19, 24, 25, 26, 24, 24, 24, 24, 24, 24,
+ 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
+ 27, 24
+ },
+
+ {
+ 19, 24, 25, 26, 24, 24, 24, 24, 24, 24,
+ 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
+
+ 27, 24
+ },
+
+ {
+ 19, 28, 29, 30, 31, 32, 28, 28, 33, 28,
+ 28, 29, 34, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28
+ },
+
+ {
+ 19, 28, 29, 30, 31, 32, 28, 28, 33, 28,
+ 28, 29, 34, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28
+ },
+
+ {
+ 19, 35, 35, 35, 35, 36, 35, 35, 35, 35,
+ 35, 37, 35, 35, 35, 35, 35, 35, 35, 35,
+ 35, 35
+
+ },
+
+ {
+ 19, 35, 35, 35, 35, 36, 35, 35, 35, 35,
+ 35, 37, 35, 35, 35, 35, 35, 35, 35, 35,
+ 35, 35
+ },
+
+ {
+ 19, 38, 38, 38, 38, 38, 38, 38, 39, 38,
+ 38, 38, 40, 38, 38, 38, 38, 38, 38, 38,
+ 38, 38
+ },
+
+ {
+ 19, 38, 38, 38, 38, 38, 38, 38, 39, 38,
+ 38, 38, 40, 38, 38, 38, 38, 38, 38, 38,
+ 38, 38
+ },
+
+ {
+ 19, 41, 41, 41, 42, 41, 41, 41, 41, 41,
+
+ 41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
+ 41, 41
+ },
+
+ {
+ 19, 41, 41, 41, 42, 41, 41, 41, 41, 41,
+ 41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
+ 41, 41
+ },
+
+ {
+ 19, 43, 44, 45, 43, 43, 43, 43, 43, 43,
+ 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+ 43, 43
+ },
+
+ {
+ 19, 43, 44, 45, 43, 43, 43, 43, 43, 43,
+ 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
+
+ 43, 43
+ },
+
+ {
+ 19, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+ 46, 47, 46, 46, 46, 46, 46, 46, 46, 46,
+ 46, 46
+ },
+
+ {
+ 19, 46, 46, 46, 46, 46, 46, 46, 46, 46,
+ 46, 47, 46, 46, 46, 46, 46, 46, 46, 46,
+ 46, 46
+ },
+
+ {
+ -19, -19, -19, -19, -19, -19, -19, -19, -19, -19,
+ -19, -19, -19, -19, -19, -19, -19, -19, -19, -19,
+ -19, -19
+
+ },
+
+ {
+ 19, -20, -20, -20, -20, -20, -20, -20, -20, -20,
+ -20, -20, -20, -20, -20, -20, -20, -20, -20, -20,
+ -20, -20
+ },
+
+ {
+ 19, -21, -21, -21, -21, -21, -21, -21, -21, -21,
+ -21, -21, -21, -21, -21, -21, -21, -21, -21, -21,
+ -21, -21
+ },
+
+ {
+ 19, -22, -22, -22, -22, -22, -22, -22, -22, -22,
+ -22, -22, -22, -22, -22, -22, -22, -22, -22, -22,
+ -22, -22
+ },
+
+ {
+ 19, -23, -23, -23, -23, -23, -23, -23, -23, -23,
+
+ -23, -23, -23, -23, -23, -23, -23, -23, -23, -23,
+ -23, -23
+ },
+
+ {
+ 19, -24, -24, -24, -24, -24, -24, -24, -24, -24,
+ -24, -24, -24, -24, -24, -24, -24, -24, -24, -24,
+ -24, -24
+ },
+
+ {
+ 19, -25, 48, 48, -25, -25, -25, -25, -25, -25,
+ -25, -25, -25, -25, -25, -25, -25, -25, -25, -25,
+ -25, -25
+ },
+
+ {
+ 19, -26, 48, 48, -26, -26, -26, -26, -26, -26,
+ -26, -26, -26, -26, -26, -26, -26, -26, -26, -26,
+
+ -26, -26
+ },
+
+ {
+ 19, -27, -27, -27, -27, -27, -27, -27, -27, -27,
+ -27, -27, -27, -27, -27, -27, -27, -27, -27, -27,
+ -27, -27
+ },
+
+ {
+ 19, -28, -28, -28, -28, -28, -28, -28, -28, -28,
+ -28, -28, -28, -28, -28, -28, -28, -28, -28, -28,
+ -28, -28
+ },
+
+ {
+ 19, -29, -29, -29, -29, -29, -29, -29, -29, -29,
+ -29, -29, -29, -29, -29, -29, -29, -29, -29, -29,
+ -29, -29
+
+ },
+
+ {
+ 19, -30, -30, -30, -30, -30, -30, -30, -30, -30,
+ -30, -30, -30, -30, -30, -30, -30, -30, -30, -30,
+ -30, -30
+ },
+
+ {
+ 19, -31, -31, -31, -31, -31, -31, -31, -31, -31,
+ -31, -31, -31, -31, -31, -31, -31, -31, -31, -31,
+ -31, -31
+ },
+
+ {
+ 19, -32, -32, -32, -32, -32, -32, -32, -32, -32,
+ -32, -32, -32, -32, -32, -32, -32, -32, -32, -32,
+ -32, -32
+ },
+
+ {
+ 19, -33, -33, -33, 49, 50, 51, 51, -33, -33,
+
+ 51, -33, -33, 51, 51, 51, 51, 51, 51, 52,
+ -33, -33
+ },
+
+ {
+ 19, -34, -34, -34, -34, -34, -34, -34, -34, -34,
+ -34, -34, -34, -34, -34, -34, -34, -34, -34, -34,
+ -34, -34
+ },
+
+ {
+ 19, -35, -35, -35, -35, -35, -35, -35, -35, -35,
+ -35, -35, -35, -35, -35, -35, -35, -35, -35, -35,
+ -35, -35
+ },
+
+ {
+ 19, -36, -36, -36, -36, 53, -36, -36, -36, -36,
+ -36, -36, -36, -36, -36, -36, -36, -36, -36, -36,
+
+ -36, -36
+ },
+
+ {
+ 19, 54, 54, -37, 54, 54, 55, 54, 54, 54,
+ 54, 54, 54, 56, 57, 58, 59, 60, 61, 54,
+ 54, 54
+ },
+
+ {
+ 19, -38, -38, -38, -38, -38, -38, -38, -38, -38,
+ -38, -38, -38, -38, -38, -38, -38, -38, -38, -38,
+ -38, -38
+ },
+
+ {
+ 19, -39, -39, -39, -39, 62, 63, 63, -39, -39,
+ 63, -39, -39, 63, 63, 63, 63, 63, 63, -39,
+ -39, -39
+
+ },
+
+ {
+ 19, -40, -40, -40, -40, -40, -40, -40, -40, -40,
+ -40, -40, -40, -40, -40, -40, -40, -40, -40, -40,
+ -40, -40
+ },
+
+ {
+ 19, -41, -41, -41, -41, -41, -41, -41, -41, -41,
+ -41, -41, -41, -41, -41, -41, -41, -41, -41, -41,
+ -41, -41
+ },
+
+ {
+ 19, -42, -42, -42, -42, -42, -42, -42, -42, -42,
+ -42, -42, -42, -42, -42, -42, -42, -42, -42, -42,
+ -42, -42
+ },
+
+ {
+ 19, -43, -43, -43, -43, -43, -43, -43, -43, -43,
+
+ -43, -43, -43, -43, -43, -43, -43, -43, -43, -43,
+ -43, -43
+ },
+
+ {
+ 19, -44, 64, 64, -44, -44, -44, -44, -44, -44,
+ -44, -44, -44, -44, -44, -44, -44, -44, -44, -44,
+ -44, -44
+ },
+
+ {
+ 19, -45, 64, 64, -45, -45, -45, -45, -45, -45,
+ -45, -45, -45, -45, -45, -45, -45, -45, -45, -45,
+ -45, -45
+ },
+
+ {
+ 19, -46, -46, -46, -46, -46, -46, -46, -46, -46,
+ -46, -46, -46, -46, -46, -46, -46, -46, -46, -46,
+
+ -46, -46
+ },
+
+ {
+ 19, -47, -47, -47, -47, -47, -47, -47, -47, -47,
+ -47, 65, -47, -47, -47, -47, -47, -47, -47, -47,
+ -47, -47
+ },
+
+ {
+ 19, -48, 48, 48, -48, -48, -48, -48, -48, -48,
+ -48, -48, -48, -48, -48, -48, -48, -48, -48, -48,
+ -48, -48
+ },
+
+ {
+ 19, -49, -49, -49, -49, -49, 66, 66, -49, -49,
+ 66, -49, -49, 66, 66, 66, 66, 66, 66, -49,
+ -49, -49
+
+ },
+
+ {
+ 19, -50, -50, -50, -50, -50, 67, 67, -50, -50,
+ 67, -50, -50, 67, 67, 67, 67, 67, 67, -50,
+ -50, -50
+ },
+
+ {
+ 19, -51, -51, -51, -51, -51, 51, 51, -51, -51,
+ 51, -51, -51, 51, 51, 51, 51, 51, 51, -51,
+ -51, -51
+ },
+
+ {
+ 19, -52, -52, -52, -52, -52, -52, -52, -52, 68,
+ -52, -52, -52, -52, -52, -52, -52, -52, -52, -52,
+ -52, -52
+ },
+
+ {
+ 19, -53, -53, -53, -53, -53, -53, -53, -53, -53,
+
+ -53, -53, -53, -53, -53, -53, -53, -53, -53, -53,
+ -53, -53
+ },
+
+ {
+ 19, -54, -54, -54, -54, -54, -54, -54, -54, -54,
+ -54, -54, -54, -54, -54, -54, -54, -54, -54, -54,
+ -54, -54
+ },
+
+ {
+ 19, -55, -55, -55, -55, -55, 69, -55, -55, -55,
+ -55, -55, -55, -55, -55, -55, -55, -55, -55, -55,
+ -55, -55
+ },
+
+ {
+ 19, -56, -56, -56, -56, -56, -56, -56, -56, -56,
+ -56, -56, -56, -56, -56, -56, -56, -56, -56, -56,
+
+ -56, -56
+ },
+
+ {
+ 19, -57, -57, -57, -57, -57, -57, -57, -57, -57,
+ -57, -57, -57, -57, -57, -57, -57, -57, -57, -57,
+ -57, -57
+ },
+
+ {
+ 19, -58, -58, -58, -58, -58, -58, -58, -58, -58,
+ -58, -58, -58, -58, -58, -58, -58, -58, -58, -58,
+ -58, -58
+ },
+
+ {
+ 19, -59, -59, -59, -59, -59, -59, -59, -59, -59,
+ -59, -59, -59, -59, -59, -59, -59, -59, -59, -59,
+ -59, -59
+
+ },
+
+ {
+ 19, -60, -60, -60, -60, -60, -60, -60, -60, -60,
+ -60, -60, -60, -60, -60, -60, -60, -60, -60, -60,
+ -60, -60
+ },
+
+ {
+ 19, -61, -61, -61, -61, -61, 70, 70, -61, -61,
+ -61, -61, -61, 70, 70, -61, -61, -61, -61, -61,
+ -61, -61
+ },
+
+ {
+ 19, -62, -62, -62, -62, -62, 71, 71, -62, -62,
+ 71, -62, -62, 71, 71, 71, 71, 71, 71, -62,
+ -62, -62
+ },
+
+ {
+ 19, -63, -63, -63, -63, -63, 63, 63, -63, -63,
+
+ 63, -63, -63, 63, 63, 63, 63, 63, 63, -63,
+ -63, -63
+ },
+
+ {
+ 19, -64, 64, 64, -64, -64, -64, -64, -64, -64,
+ -64, -64, -64, -64, -64, -64, -64, -64, -64, -64,
+ -64, -64
+ },
+
+ {
+ 19, -65, -65, -65, -65, -65, -65, -65, -65, -65,
+ -65, -65, -65, -65, -65, -65, -65, -65, -65, -65,
+ -65, -65
+ },
+
+ {
+ 19, -66, -66, -66, 72, -66, 66, 66, -66, -66,
+ 66, -66, -66, 66, 66, 66, 66, 66, 66, -66,
+
+ -66, -66
+ },
+
+ {
+ 19, -67, -67, -67, -67, 73, 67, 67, -67, -67,
+ 67, -67, -67, 67, 67, 67, 67, 67, 67, -67,
+ -67, -67
+ },
+
+ {
+ 19, -68, -68, -68, -68, -68, 74, 74, -68, -68,
+ 74, -68, -68, 74, 74, 74, 74, 74, 74, -68,
+ -68, -68
+ },
+
+ {
+ 19, -69, -69, -69, -69, -69, 75, -69, -69, -69,
+ -69, -69, -69, -69, -69, -69, -69, -69, -69, -69,
+ -69, -69
+
+ },
+
+ {
+ 19, -70, -70, -70, -70, -70, 76, 76, -70, -70,
+ -70, -70, -70, 76, 76, -70, -70, -70, -70, -70,
+ -70, -70
+ },
+
+ {
+ 19, -71, -71, -71, -71, 77, 71, 71, -71, -71,
+ 71, -71, -71, 71, 71, 71, 71, 71, 71, -71,
+ -71, -71
+ },
+
+ {
+ 19, -72, -72, -72, -72, -72, -72, -72, -72, -72,
+ -72, -72, -72, -72, -72, -72, -72, -72, -72, -72,
+ -72, -72
+ },
+
+ {
+ 19, -73, -73, -73, -73, -73, -73, -73, -73, -73,
+
+ -73, -73, -73, -73, -73, -73, -73, -73, -73, -73,
+ -73, -73
+ },
+
+ {
+ 19, -74, -74, -74, -74, -74, 74, 74, -74, -74,
+ 74, -74, -74, 74, 74, 74, 74, 74, 74, -74,
+ -74, 78
+ },
+
+ {
+ 19, -75, -75, -75, -75, -75, -75, -75, -75, -75,
+ -75, -75, -75, -75, -75, -75, -75, -75, -75, -75,
+ -75, -75
+ },
+
+ {
+ 19, -76, -76, -76, -76, -76, -76, -76, -76, -76,
+ -76, -76, -76, -76, -76, -76, -76, -76, -76, -76,
+
+ -76, -76
+ },
+
+ {
+ 19, -77, -77, -77, -77, -77, -77, -77, -77, -77,
+ -77, -77, -77, -77, -77, -77, -77, -77, -77, -77,
+ -77, -77
+ },
+
+ {
+ 19, -78, -78, -78, -78, -78, -78, -78, -78, -78,
+ -78, -78, -78, -78, -78, -78, -78, -78, -78, -78,
+ -78, -78
+ },
+
+ } ;
+
+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 yynoreturn yy_fatal_error ( const 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; \
+ yyleng = (int) (yy_cp - yy_bp); \
+ yyg->yy_hold_char = *yy_cp; \
+ *yy_cp = '\0'; \
+ yyg->yy_c_buf_p = yy_cp;
+#define YY_NUM_RULES 42
+#define YY_END_OF_BUFFER 43
+/* 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 const flex_int16_t yy_accept[79] =
+ { 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 43, 1,
+ 3, 2, 2, 6, 4, 4, 5, 19, 7, 7,
+ 10, 8, 19, 9, 30, 20, 30, 35, 35, 31,
+ 37, 36, 39, 38, 38, 41, 41, 4, 16, 15,
+ 11, 18, 21, 29, 27, 24, 26, 22, 25, 23,
+ 29, 34, 32, 38, 40, 16, 15, 17, 27, 28,
+ 34, 13, 12, 17, 27, 28, 33, 14
+ } ;
+
+static const YY_CHAR yy_ec[256] =
+ { 0,
+ 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
+ 1, 2, 2, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 2, 1, 4, 1, 1, 1, 1, 5, 1,
+ 1, 1, 1, 1, 1, 1, 1, 6, 6, 6,
+ 6, 6, 6, 6, 6, 7, 7, 8, 1, 1,
+ 1, 1, 9, 1, 7, 7, 7, 7, 7, 7,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 1, 11, 1, 1, 10, 12, 7, 13, 7, 7,
+
+ 7, 14, 10, 10, 10, 10, 10, 10, 10, 15,
+ 10, 10, 10, 16, 10, 17, 10, 10, 10, 18,
+ 10, 10, 19, 20, 21, 1, 1, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10
+ } ;
+
+/* 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
+#line 1 "psqlscanslash.l"
+
+#line 29 "psqlscanslash.l"
+#include "fe_utils/psqlscan_int.h"
+
+/*
+ * We must have a typedef YYSTYPE for yylex's first argument, but this lexer
+ * doesn't presently make use of that argument, so just declare it as int.
+ */
+typedef int YYSTYPE;
+
+/*
+ * Set the type of yyextra; we use it as a pointer back to the containing
+ * PsqlScanState.
+ */
+#define YY_EXTRA_TYPE PsqlScanState
+
+/*
+ * These variables do not need to be saved across calls. Yeah, it's a bit
+ * of a hack, but putting them into PsqlScanStateData would be klugy too.
+ */
+static enum slash_option_type option_type;
+static char *option_quote;
+static int unquoted_option_chars;
+static int backtick_start_offset;
+
+
+/* Return values from yylex() */
+#define LEXRES_EOL 0 /* end of input */
+#define LEXRES_OK 1 /* OK completion of backslash argument */
+
+
+static void evaluate_backtick(PsqlScanState state);
+
+#define ECHO psqlscan_emit(cur_state, yytext, yyleng)
+
+/*
+ * Work around a bug in flex 2.5.35: it emits a couple of functions that
+ * it forgets to emit declarations for. Since we use -Wmissing-prototypes,
+ * this would cause warnings. Providing our own declarations should be
+ * harmless even when the bug gets fixed.
+ */
+extern int slash_yyget_column(yyscan_t yyscanner);
+extern void slash_yyset_column(int column_no, yyscan_t yyscanner);
+
+/* LCOV_EXCL_START */
+
+#line 1197 "psqlscanslash.c"
+/* Except for the prefix, these options should match psqlscan.l */
+#define YY_NO_INPUT 1
+/*
+ * OK, here is a short description of lex/flex rules behavior.
+ * The longest pattern which matches an input string is always chosen.
+ * For equal-length patterns, the first occurring in the rules list is chosen.
+ * INITIAL is the starting state, to which all non-conditional rules apply.
+ * Exclusive states change parsing rules while the state is active. When in
+ * an exclusive state, only those rules defined for that state apply.
+ */
+/* Exclusive states for lexing backslash commands */
+
+/*
+ * Assorted character class definitions that should match psqlscan.l.
+ */
+#line 1213 "psqlscanslash.c"
+
+#define INITIAL 0
+#define xslashcmd 1
+#define xslashargstart 2
+#define xslasharg 3
+#define xslashquote 4
+#define xslashbackquote 5
+#define xslashdquote 6
+#define xslashwholeline 7
+#define xslashend 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
+
+/* 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;
+
+ }; /* 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
+
+int yylex_init (yyscan_t* scanner);
+
+int yylex_init_extra ( YY_EXTRA_TYPE user_defined, yyscan_t* scanner);
+
+/* Accessor methods to globals.
+ These are made visible to non-reentrant scanners for convenience. */
+
+int yylex_destroy ( yyscan_t yyscanner );
+
+int yyget_debug ( yyscan_t yyscanner );
+
+void yyset_debug ( int debug_flag , yyscan_t yyscanner );
+
+YY_EXTRA_TYPE yyget_extra ( yyscan_t yyscanner );
+
+void yyset_extra ( YY_EXTRA_TYPE user_defined , yyscan_t yyscanner );
+
+FILE *yyget_in ( yyscan_t yyscanner );
+
+void yyset_in ( FILE * _in_str , yyscan_t yyscanner );
+
+FILE *yyget_out ( yyscan_t yyscanner );
+
+void yyset_out ( FILE * _out_str , yyscan_t yyscanner );
+
+ int yyget_leng ( yyscan_t yyscanner );
+
+char *yyget_text ( yyscan_t yyscanner );
+
+int yyget_lineno ( yyscan_t yyscanner );
+
+void yyset_lineno ( int _line_number , yyscan_t yyscanner );
+
+int yyget_column ( yyscan_t yyscanner );
+
+void yyset_column ( int _column_no , yyscan_t yyscanner );
+
+YYSTYPE * yyget_lval ( yyscan_t yyscanner );
+
+void yyset_lval ( YYSTYPE * yylval_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 yywrap ( yyscan_t yyscanner );
+#else
+extern int yywrap ( yyscan_t yyscanner );
+#endif
+#endif
+
+#ifndef YY_NO_UNPUT
+
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy ( char *, const char *, int , yyscan_t yyscanner);
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen ( const 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
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
+#define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
+#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 do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0)
+#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 = (int) fread(buf, 1, (yy_size_t) 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 yylex \
+ (YYSTYPE * yylval_param , yyscan_t yyscanner);
+
+#define YY_DECL int yylex \
+ (YYSTYPE * yylval_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 /*LINTED*/break;
+#endif
+
+#define YY_RULE_SETUP \
+ YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+ yy_state_type yy_current_state;
+ char *yy_cp, *yy_bp;
+ int yy_act;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ yylval = yylval_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 ) {
+ yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner);
+ }
+
+ yy_load_buffer_state( yyscanner );
+ }
+
+ {
+#line 119 "psqlscanslash.l"
+
+
+
+#line 123 "psqlscanslash.l"
+ /* Declare some local variables inside yylex(), for convenience */
+ PsqlScanState cur_state = yyextra;
+ PQExpBuffer output_buf = cur_state->output_buf;
+
+ /*
+ * Force flex into the state indicated by start_state. This has a
+ * couple of purposes: it lets some of the functions below set a new
+ * starting state without ugly direct access to flex variables, and it
+ * allows us to transition from one flex lexer to another so that we
+ * can lex different parts of the source string using separate lexers.
+ */
+ BEGIN(cur_state->start_state);
+
+
+ /*
+ * We don't really expect to be invoked in the INITIAL state in this
+ * lexer; but if we are, just spit data to the output_buf until EOF.
+ */
+
+#line 1517 "psqlscanslash.c"
+
+ while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */
+ {
+ 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:
+ while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)] ]) > 0 )
+ ++yy_cp;
+
+ yy_current_state = -yy_current_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 1:
+/* rule 1 can match eol */
+YY_RULE_SETUP
+#line 142 "psqlscanslash.l"
+{ ECHO; }
+ YY_BREAK
+/*
+ * Exclusive lexer states to handle backslash command lexing
+ */
+
+/* command name ends at whitespace or backslash; eat all else */
+case 2:
+/* rule 2 can match eol */
+YY_RULE_SETUP
+#line 151 "psqlscanslash.l"
+{
+ yyless(0);
+ cur_state->start_state = YY_START;
+ return LEXRES_OK;
+ }
+ YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 157 "psqlscanslash.l"
+{ ECHO; }
+ YY_BREAK
+
+
+/*
+ * Discard any whitespace before argument, then go to xslasharg state.
+ * An exception is that "|" is only special at start of argument, so we
+ * check for it here.
+ */
+case 4:
+/* rule 4 can match eol */
+YY_RULE_SETUP
+#line 168 "psqlscanslash.l"
+{ }
+ YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 170 "psqlscanslash.l"
+{
+ if (option_type == OT_FILEPIPE)
+ {
+ /* treat like whole-string case */
+ ECHO;
+ BEGIN(xslashwholeline);
+ }
+ else
+ {
+ /* vertical bar is not special otherwise */
+ yyless(0);
+ BEGIN(xslasharg);
+ }
+ }
+ YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 185 "psqlscanslash.l"
+{
+ yyless(0);
+ BEGIN(xslasharg);
+ }
+ YY_BREAK
+
+
+/*
+ * Default processing of text in a slash command's argument.
+ *
+ * Note: unquoted_option_chars counts the number of characters at the
+ * end of the argument that were not subject to any form of quoting.
+ * psql_scan_slash_option needs this to strip trailing semicolons safely.
+ */
+case 7:
+/* rule 7 can match eol */
+YY_RULE_SETUP
+#line 201 "psqlscanslash.l"
+{
+ /*
+ * Unquoted space is end of arg; do not eat. Likewise
+ * backslash is end of command or next command, do not eat
+ *
+ * XXX this means we can't conveniently accept options
+ * that include unquoted backslashes; therefore, option
+ * processing that encourages use of backslashes is rather
+ * broken.
+ */
+ yyless(0);
+ cur_state->start_state = YY_START;
+ return LEXRES_OK;
+ }
+ YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 216 "psqlscanslash.l"
+{
+ *option_quote = '\'';
+ unquoted_option_chars = 0;
+ BEGIN(xslashquote);
+ }
+ YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 222 "psqlscanslash.l"
+{
+ backtick_start_offset = output_buf->len;
+ *option_quote = '`';
+ unquoted_option_chars = 0;
+ BEGIN(xslashbackquote);
+ }
+ YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 229 "psqlscanslash.l"
+{
+ ECHO;
+ *option_quote = '"';
+ unquoted_option_chars = 0;
+ BEGIN(xslashdquote);
+ }
+ YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 236 "psqlscanslash.l"
+{
+ /* Possible psql variable substitution */
+ if (cur_state->callbacks->get_variable == NULL)
+ ECHO;
+ else
+ {
+ char *varname;
+ char *value;
+
+ varname = psqlscan_extract_substring(cur_state,
+ yytext + 1,
+ yyleng - 1);
+ value = cur_state->callbacks->get_variable(varname,
+ PQUOTE_PLAIN,
+ cur_state->cb_passthrough);
+ free(varname);
+
+ /*
+ * The variable value is just emitted without any
+ * further examination. This is consistent with the
+ * pre-8.0 code behavior, if not with the way that
+ * variables are handled outside backslash commands.
+ * Note that we needn't guard against recursion here.
+ */
+ if (value)
+ {
+ appendPQExpBufferStr(output_buf, value);
+ free(value);
+ }
+ else
+ ECHO;
+
+ *option_quote = ':';
+ }
+ unquoted_option_chars = 0;
+ }
+ YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 273 "psqlscanslash.l"
+{
+ psqlscan_escape_variable(cur_state, yytext, yyleng,
+ PQUOTE_SQL_LITERAL);
+ *option_quote = ':';
+ unquoted_option_chars = 0;
+ }
+ YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 281 "psqlscanslash.l"
+{
+ psqlscan_escape_variable(cur_state, yytext, yyleng,
+ PQUOTE_SQL_IDENT);
+ *option_quote = ':';
+ unquoted_option_chars = 0;
+ }
+ YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 288 "psqlscanslash.l"
+{
+ psqlscan_test_variable(cur_state, yytext, yyleng);
+ }
+ YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 292 "psqlscanslash.l"
+{
+ /* Throw back everything but the colon */
+ yyless(1);
+ unquoted_option_chars++;
+ ECHO;
+ }
+ YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 299 "psqlscanslash.l"
+{
+ /* Throw back everything but the colon */
+ yyless(1);
+ unquoted_option_chars++;
+ ECHO;
+ }
+ YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 306 "psqlscanslash.l"
+{
+ /* Throw back everything but the colon */
+ yyless(1);
+ unquoted_option_chars++;
+ ECHO;
+ }
+ YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 313 "psqlscanslash.l"
+{
+ /* Throw back everything but the colon */
+ yyless(1);
+ unquoted_option_chars++;
+ ECHO;
+ }
+ YY_BREAK
+case 19:
+YY_RULE_SETUP
+#line 320 "psqlscanslash.l"
+{
+ unquoted_option_chars++;
+ ECHO;
+ }
+ YY_BREAK
+
+
+/*
+ * single-quoted text: copy literally except for '' and backslash
+ * sequences
+ */
+case 20:
+YY_RULE_SETUP
+#line 333 "psqlscanslash.l"
+{ BEGIN(xslasharg); }
+ YY_BREAK
+case 21:
+YY_RULE_SETUP
+#line 335 "psqlscanslash.l"
+{ appendPQExpBufferChar(output_buf, '\''); }
+ YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 337 "psqlscanslash.l"
+{ appendPQExpBufferChar(output_buf, '\n'); }
+ YY_BREAK
+case 23:
+YY_RULE_SETUP
+#line 338 "psqlscanslash.l"
+{ appendPQExpBufferChar(output_buf, '\t'); }
+ YY_BREAK
+case 24:
+YY_RULE_SETUP
+#line 339 "psqlscanslash.l"
+{ appendPQExpBufferChar(output_buf, '\b'); }
+ YY_BREAK
+case 25:
+YY_RULE_SETUP
+#line 340 "psqlscanslash.l"
+{ appendPQExpBufferChar(output_buf, '\r'); }
+ YY_BREAK
+case 26:
+YY_RULE_SETUP
+#line 341 "psqlscanslash.l"
+{ appendPQExpBufferChar(output_buf, '\f'); }
+ YY_BREAK
+case 27:
+YY_RULE_SETUP
+#line 343 "psqlscanslash.l"
+{
+ /* octal case */
+ appendPQExpBufferChar(output_buf,
+ (char) strtol(yytext + 1, NULL, 8));
+ }
+ YY_BREAK
+case 28:
+YY_RULE_SETUP
+#line 349 "psqlscanslash.l"
+{
+ /* hex case */
+ appendPQExpBufferChar(output_buf,
+ (char) strtol(yytext + 2, NULL, 16));
+ }
+ YY_BREAK
+case 29:
+YY_RULE_SETUP
+#line 355 "psqlscanslash.l"
+{ psqlscan_emit(cur_state, yytext + 1, 1); }
+ YY_BREAK
+case 30:
+/* rule 30 can match eol */
+YY_RULE_SETUP
+#line 357 "psqlscanslash.l"
+{ ECHO; }
+ YY_BREAK
+
+
+/*
+ * backticked text: copy everything until next backquote (expanding
+ * variable references, but doing nought else), then evaluate.
+ */
+case 31:
+YY_RULE_SETUP
+#line 367 "psqlscanslash.l"
+{
+ /* In an inactive \if branch, don't evaluate the command */
+ if (cur_state->cb_passthrough == NULL ||
+ conditional_active((ConditionalStack) cur_state->cb_passthrough))
+ evaluate_backtick(cur_state);
+ BEGIN(xslasharg);
+ }
+ YY_BREAK
+case 32:
+YY_RULE_SETUP
+#line 375 "psqlscanslash.l"
+{
+ /* Possible psql variable substitution */
+ if (cur_state->callbacks->get_variable == NULL)
+ ECHO;
+ else
+ {
+ char *varname;
+ char *value;
+
+ varname = psqlscan_extract_substring(cur_state,
+ yytext + 1,
+ yyleng - 1);
+ value = cur_state->callbacks->get_variable(varname,
+ PQUOTE_PLAIN,
+ cur_state->cb_passthrough);
+ free(varname);
+
+ if (value)
+ {
+ appendPQExpBufferStr(output_buf, value);
+ free(value);
+ }
+ else
+ ECHO;
+ }
+ }
+ YY_BREAK
+case 33:
+YY_RULE_SETUP
+#line 402 "psqlscanslash.l"
+{
+ psqlscan_escape_variable(cur_state, yytext, yyleng,
+ PQUOTE_SHELL_ARG);
+ }
+ YY_BREAK
+case 34:
+YY_RULE_SETUP
+#line 407 "psqlscanslash.l"
+{
+ /* Throw back everything but the colon */
+ yyless(1);
+ ECHO;
+ }
+ YY_BREAK
+case 35:
+/* rule 35 can match eol */
+YY_RULE_SETUP
+#line 413 "psqlscanslash.l"
+{ ECHO; }
+ YY_BREAK
+
+
+/* double-quoted text: copy verbatim, including the double quotes */
+case 36:
+YY_RULE_SETUP
+#line 420 "psqlscanslash.l"
+{
+ ECHO;
+ BEGIN(xslasharg);
+ }
+ YY_BREAK
+case 37:
+/* rule 37 can match eol */
+YY_RULE_SETUP
+#line 425 "psqlscanslash.l"
+{ ECHO; }
+ YY_BREAK
+
+
+/* copy everything until end of input line */
+/* but suppress leading whitespace */
+case 38:
+/* rule 38 can match eol */
+YY_RULE_SETUP
+#line 433 "psqlscanslash.l"
+{
+ if (output_buf->len > 0)
+ ECHO;
+ }
+ YY_BREAK
+case 39:
+YY_RULE_SETUP
+#line 438 "psqlscanslash.l"
+{ ECHO; }
+ YY_BREAK
+
+
+/* at end of command, eat a double backslash, but not anything else */
+case 40:
+YY_RULE_SETUP
+#line 445 "psqlscanslash.l"
+{
+ cur_state->start_state = YY_START;
+ return LEXRES_OK;
+ }
+ YY_BREAK
+case 41:
+/* rule 41 can match eol */
+YY_RULE_SETUP
+#line 450 "psqlscanslash.l"
+{
+ yyless(0);
+ cur_state->start_state = YY_START;
+ return LEXRES_OK;
+ }
+ YY_BREAK
+
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(xslashcmd):
+case YY_STATE_EOF(xslashargstart):
+case YY_STATE_EOF(xslasharg):
+case YY_STATE_EOF(xslashquote):
+case YY_STATE_EOF(xslashbackquote):
+case YY_STATE_EOF(xslashdquote):
+case YY_STATE_EOF(xslashwholeline):
+case YY_STATE_EOF(xslashend):
+#line 458 "psqlscanslash.l"
+{
+ if (cur_state->buffer_stack == NULL)
+ {
+ cur_state->start_state = YY_START;
+ return LEXRES_EOL; /* end of input reached */
+ }
+
+ /*
+ * We were expanding a variable, so pop the inclusion
+ * stack and keep lexing
+ */
+ psqlscan_pop_buffer_stack(cur_state);
+ psqlscan_select_top_buffer(cur_state);
+ }
+ YY_BREAK
+case 42:
+YY_RULE_SETUP
+#line 473 "psqlscanslash.l"
+YY_FATAL_ERROR( "flex scanner jammed" );
+ YY_BREAK
+#line 2011 "psqlscanslash.c"
+
+ 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
+ * 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_c_buf_p;
+ 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 ( 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 user's declarations */
+} /* 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 (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+ char *source = yyg->yytext_ptr;
+ 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_LVALUE;
+
+ 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. */
+ yyrealloc( (void *) b->yy_ch_buf,
+ (yy_size_t) (b->yy_buf_size + 2) , yyscanner );
+ }
+ else
+ /* Can't grow it, we don't own it. */
+ b->yy_ch_buf = NULL;
+
+ 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;
+ 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;
+
+ if ((yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+ /* Extend the array by 50%, plus the number we really need. */
+ int new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1);
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
+ (void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size , yyscanner );
+ if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+ /* "- 2" to take care of EOB's */
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
+ }
+
+ 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)
+{
+ yy_state_type yy_current_state;
+ 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 )
+ {
+ yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)];
+ }
+
+ 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)
+{
+ int yy_is_jam;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
+
+ yy_current_state = yy_nxt[yy_current_state][1];
+ yy_is_jam = (yy_current_state <= 0);
+
+ (void)yyg;
+ return yy_is_jam ? 0 : yy_current_state;
+}
+
+#ifndef YY_NO_UNPUT
+
+#endif
+
+#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 = (int) (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. */
+ yyrestart( yyin , yyscanner);
+
+ /*FALLTHROUGH*/
+
+ case EOB_ACT_END_OF_FILE:
+ {
+ if ( yywrap( yyscanner ) )
+ return 0;
+
+ 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 yyrestart (FILE * input_file , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ if ( ! YY_CURRENT_BUFFER ){
+ yyensure_buffer_stack (yyscanner);
+ YY_CURRENT_BUFFER_LVALUE =
+ yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner);
+ }
+
+ yy_init_buffer( YY_CURRENT_BUFFER, input_file , yyscanner);
+ yy_load_buffer_state( yyscanner );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * @param yyscanner The scanner object.
+ */
+ void 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
+ * yypop_buffer_state();
+ * yypush_buffer_state(new_buffer);
+ */
+ 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;
+ yy_load_buffer_state( yyscanner );
+
+ /* 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.
+ */
+ yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+static void 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 yy_create_buffer (FILE * file, int size , yyscan_t yyscanner)
+{
+ YY_BUFFER_STATE b;
+
+ b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) , yyscanner );
+ 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( (yy_size_t) (b->yy_buf_size + 2) , yyscanner );
+ 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 , yyscanner);
+
+ return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ * @param yyscanner The scanner object.
+ */
+ void 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 )
+ yyfree( (void *) b->yy_ch_buf , yyscanner );
+
+ yyfree( (void *) b , yyscanner );
+}
+
+/* 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 , yyscan_t yyscanner)
+
+{
+ int oerrno = errno;
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ yy_flush_buffer( b , yyscanner);
+
+ 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 = 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 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 )
+ 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 yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (new_buffer == NULL)
+ return;
+
+ yyensure_buffer_stack(yyscanner);
+
+ /* This block is copied from 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 yy_switch_to_buffer. */
+ 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 yypop_buffer_state (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ if (!YY_CURRENT_BUFFER)
+ return;
+
+ 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) {
+ 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 yyensure_buffer_stack (yyscan_t yyscanner)
+{
+ yy_size_t 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; /* After all that talk, this was set to 1 anyways... */
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)yyalloc
+ (num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+ if ( ! yyg->yy_buffer_stack )
+ YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+ 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. */
+ yy_size_t grow_size = 8 /* arbitrary grow size */;
+
+ num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
+ yyg->yy_buffer_stack = (struct yy_buffer_state**)yyrealloc
+ (yyg->yy_buffer_stack,
+ num_to_alloc * sizeof(struct yy_buffer_state*)
+ , yyscanner);
+ if ( ! yyg->yy_buffer_stack )
+ YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+ /* 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 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 NULL;
+
+ b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) , yyscanner );
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+
+ b->yy_buf_size = (int) (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 = NULL;
+ 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 , yyscanner );
+
+ 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
+ * @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
+ * yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE yy_scan_string (const char * yystr , yyscan_t yyscanner)
+{
+
+ return yy_scan_bytes( yystr, (int) strlen(yystr) , yyscanner);
+}
+
+/** 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 yybytes the byte buffer to scan
+ * @param _yybytes_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 yy_scan_bytes (const 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 = (yy_size_t) (_yybytes_len + 2);
+ buf = (char *) yyalloc( n , yyscanner );
+ 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 , yyscanner);
+ 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 yynoreturn yy_fatal_error (const char* msg , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ (void)yyg;
+ 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 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 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 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 *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 *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 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 *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 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 line number
+ * @param yyscanner The scanner object.
+ */
+void 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( "yyset_lineno called with no buffer" );
+
+ yylineno = _line_number;
+}
+
+/** Set the current column.
+ * @param _column_no column number
+ * @param yyscanner The scanner object.
+ */
+void 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( "yyset_column called with no buffer" );
+
+ 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 yy_switch_to_buffer
+ */
+void yyset_in (FILE * _in_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyin = _in_str ;
+}
+
+void yyset_out (FILE * _out_str , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yyout = _out_str ;
+}
+
+int yyget_debug (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yy_flex_debug;
+}
+
+void 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 * yyget_lval (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ return yylval;
+}
+
+void yyset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ yylval = yylval_param;
+}
+
+/* User-visible API */
+
+/* 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 yylex_init(yyscan_t* ptr_yy_globals)
+{
+ if (ptr_yy_globals == NULL){
+ errno = EINVAL;
+ return 1;
+ }
+
+ *ptr_yy_globals = (yyscan_t) 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 );
+}
+
+/* yylex_init_extra has the same functionality as yylex_init, but follows the
+ * convention of taking the scanner as the last argument. Note however, that
+ * this is a *pointer* to a scanner, as it will be allocated by this call (and
+ * is the reason, too, why this function also must handle its own declaration).
+ * The user defined value in the first argument will be available to yyalloc in
+ * the yyextra field.
+ */
+int yylex_init_extra( YY_EXTRA_TYPE yy_user_defined, yyscan_t* ptr_yy_globals )
+{
+ struct yyguts_t dummy_yyguts;
+
+ yyset_extra (yy_user_defined, &dummy_yyguts);
+
+ if (ptr_yy_globals == NULL){
+ errno = EINVAL;
+ return 1;
+ }
+
+ *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
+
+ 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));
+
+ yyset_extra (yy_user_defined, *ptr_yy_globals);
+
+ 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 yylex_destroy(), so don't allocate here.
+ */
+
+ yyg->yy_buffer_stack = NULL;
+ yyg->yy_buffer_stack_top = 0;
+ yyg->yy_buffer_stack_max = 0;
+ yyg->yy_c_buf_p = NULL;
+ 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 = NULL;
+ yyout = NULL;
+#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 (yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+ /* Pop the buffer stack, destroying each element. */
+ while(YY_CURRENT_BUFFER){
+ yy_delete_buffer( YY_CURRENT_BUFFER , yyscanner );
+ YY_CURRENT_BUFFER_LVALUE = NULL;
+ yypop_buffer_state(yyscanner);
+ }
+
+ /* Destroy the stack itself. */
+ yyfree(yyg->yy_buffer_stack , yyscanner);
+ yyg->yy_buffer_stack = NULL;
+
+ /* Destroy the start condition stack. */
+ 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
+ * yylex() is called, initialization will occur. */
+ yy_init_globals( yyscanner);
+
+ /* Destroy the main struct (reentrant only). */
+ yyfree ( yyscanner , yyscanner );
+ yyscanner = NULL;
+ return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, const char * s2, int n , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ (void)yyg;
+
+ int i;
+ for ( i = 0; i < n; ++i )
+ s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (const char * s , yyscan_t yyscanner)
+{
+ int n;
+ for ( n = 0; s[n]; ++n )
+ ;
+
+ return n;
+}
+#endif
+
+void *yyalloc (yy_size_t size , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ (void)yyg;
+ return malloc(size);
+}
+
+void *yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ (void)yyg;
+
+ /* 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 realloc(ptr, size);
+}
+
+void yyfree (void * ptr , yyscan_t yyscanner)
+{
+ struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+ (void)yyg;
+ free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 473 "psqlscanslash.l"
+
+
+/* LCOV_EXCL_STOP */
+
+/*
+ * Scan the command name of a psql backslash command. This should be called
+ * after psql_scan() returns PSCAN_BACKSLASH. It is assumed that the input
+ * has been consumed through the leading backslash.
+ *
+ * The return value is a malloc'd copy of the command name, as parsed off
+ * from the input.
+ */
+char *
+psql_scan_slash_command(PsqlScanState state)
+{
+ PQExpBufferData mybuf;
+
+ /* Must be scanning already */
+ Assert(state->scanbufhandle != NULL);
+
+ /* Build a local buffer that we'll return the data of */
+ initPQExpBuffer(&mybuf);
+
+ /* Set current output target */
+ state->output_buf = &mybuf;
+
+ /* Set input source */
+ if (state->buffer_stack != NULL)
+ yy_switch_to_buffer(state->buffer_stack->buf, state->scanner);
+ else
+ yy_switch_to_buffer(state->scanbufhandle, state->scanner);
+
+ /*
+ * Set lexer start state. Note that this is sufficient to switch
+ * state->scanner over to using the tables in this lexer file.
+ */
+ state->start_state = xslashcmd;
+
+ /* And lex. */
+ yylex(NULL, state->scanner);
+
+ /* There are no possible errors in this lex state... */
+
+ /*
+ * In case the caller returns to using the regular SQL lexer, reselect the
+ * appropriate initial state.
+ */
+ psql_scan_reselect_sql_lexer(state);
+
+ return mybuf.data;
+}
+
+/*
+ * Parse off the next argument for a backslash command, and return it as a
+ * malloc'd string. If there are no more arguments, returns NULL.
+ *
+ * type tells what processing, if any, to perform on the option string;
+ * for example, if it's a SQL identifier, we want to downcase any unquoted
+ * letters.
+ *
+ * if quote is not NULL, *quote is set to 0 if no quoting was found, else
+ * the last quote symbol used in the argument.
+ *
+ * if semicolon is true, unquoted trailing semicolon(s) that would otherwise
+ * be taken as part of the option string will be stripped.
+ *
+ * NOTE: the only possible syntax errors for backslash options are unmatched
+ * quotes, which are detected when we run out of input. Therefore, on a
+ * syntax error we just throw away the string and return NULL; there is no
+ * need to worry about flushing remaining input.
+ */
+char *
+psql_scan_slash_option(PsqlScanState state,
+ enum slash_option_type type,
+ char *quote,
+ bool semicolon)
+{
+ PQExpBufferData mybuf;
+ int lexresult PG_USED_FOR_ASSERTS_ONLY;
+ int final_state;
+ char local_quote;
+
+ /* Must be scanning already */
+ Assert(state->scanbufhandle != NULL);
+
+ if (quote == NULL)
+ quote = &local_quote;
+ *quote = 0;
+
+ /* Build a local buffer that we'll return the data of */
+ initPQExpBuffer(&mybuf);
+
+ /* Set up static variables that will be used by yylex */
+ option_type = type;
+ option_quote = quote;
+ unquoted_option_chars = 0;
+
+ /* Set current output target */
+ state->output_buf = &mybuf;
+
+ /* Set input source */
+ if (state->buffer_stack != NULL)
+ yy_switch_to_buffer(state->buffer_stack->buf, state->scanner);
+ else
+ yy_switch_to_buffer(state->scanbufhandle, state->scanner);
+
+ /* Set lexer start state */
+ if (type == OT_WHOLE_LINE)
+ state->start_state = xslashwholeline;
+ else
+ state->start_state = xslashargstart;
+
+ /* And lex. */
+ lexresult = yylex(NULL, state->scanner);
+
+ /* Save final state for a moment... */
+ final_state = state->start_state;
+
+ /*
+ * In case the caller returns to using the regular SQL lexer, reselect the
+ * appropriate initial state.
+ */
+ psql_scan_reselect_sql_lexer(state);
+
+ /*
+ * Check the lex result: we should have gotten back either LEXRES_OK
+ * or LEXRES_EOL (the latter indicating end of string). If we were inside
+ * a quoted string, as indicated by final_state, EOL is an error.
+ */
+ Assert(lexresult == LEXRES_EOL || lexresult == LEXRES_OK);
+
+ switch (final_state)
+ {
+ case xslashargstart:
+ /* empty arg */
+ break;
+ case xslasharg:
+ /* Strip any unquoted trailing semi-colons if requested */
+ if (semicolon)
+ {
+ while (unquoted_option_chars-- > 0 &&
+ mybuf.len > 0 &&
+ mybuf.data[mybuf.len - 1] == ';')
+ {
+ mybuf.data[--mybuf.len] = '\0';
+ }
+ }
+
+ /*
+ * If SQL identifier processing was requested, then we strip out
+ * excess double quotes and optionally downcase unquoted letters.
+ */
+ if (type == OT_SQLID || type == OT_SQLIDHACK)
+ {
+ dequote_downcase_identifier(mybuf.data,
+ (type != OT_SQLIDHACK),
+ state->encoding);
+ /* update mybuf.len for possible shortening */
+ mybuf.len = strlen(mybuf.data);
+ }
+ break;
+ case xslashquote:
+ case xslashbackquote:
+ case xslashdquote:
+ /* must have hit EOL inside quotes */
+ pg_log_error("unterminated quoted string");
+ termPQExpBuffer(&mybuf);
+ return NULL;
+ case xslashwholeline:
+ /* always okay */
+ break;
+ default:
+ /* can't get here */
+ fprintf(stderr, "invalid YY_START\n");
+ exit(1);
+ }
+
+ /*
+ * An unquoted empty argument isn't possible unless we are at end of
+ * command. Return NULL instead.
+ */
+ if (mybuf.len == 0 && *quote == 0)
+ {
+ termPQExpBuffer(&mybuf);
+ return NULL;
+ }
+
+ /* Else return the completed string. */
+ return mybuf.data;
+}
+
+/*
+ * Eat up any unused \\ to complete a backslash command.
+ */
+void
+psql_scan_slash_command_end(PsqlScanState state)
+{
+ /* Must be scanning already */
+ Assert(state->scanbufhandle != NULL);
+
+ /* Set current output target */
+ state->output_buf = NULL; /* we won't output anything */
+
+ /* Set input source */
+ if (state->buffer_stack != NULL)
+ yy_switch_to_buffer(state->buffer_stack->buf, state->scanner);
+ else
+ yy_switch_to_buffer(state->scanbufhandle, state->scanner);
+
+ /* Set lexer start state */
+ state->start_state = xslashend;
+
+ /* And lex. */
+ yylex(NULL, state->scanner);
+
+ /* There are no possible errors in this lex state... */
+
+ /*
+ * We expect the caller to return to using the regular SQL lexer, so
+ * reselect the appropriate initial state.
+ */
+ psql_scan_reselect_sql_lexer(state);
+}
+
+/*
+ * Fetch current paren nesting depth
+ */
+int
+psql_scan_get_paren_depth(PsqlScanState state)
+{
+ return state->paren_depth;
+}
+
+/*
+ * Set paren nesting depth
+ */
+void
+psql_scan_set_paren_depth(PsqlScanState state, int depth)
+{
+ Assert(depth >= 0);
+ state->paren_depth = depth;
+}
+
+/*
+ * De-quote and optionally downcase a SQL identifier.
+ *
+ * The string at *str is modified in-place; it can become shorter,
+ * but not longer.
+ *
+ * If downcase is true then non-quoted letters are folded to lower case.
+ * Ideally this behavior will match the backend's downcase_identifier();
+ * but note that it could differ if LC_CTYPE is different in the frontend.
+ *
+ * Note that a string like FOO"BAR"BAZ will be converted to fooBARbaz;
+ * this is somewhat inconsistent with the SQL spec, which would have us
+ * parse it as several identifiers. But for psql's purposes, we want a
+ * string like "foo"."bar" to be treated as one option, so there's little
+ * choice; this routine doesn't get to change the token boundaries.
+ */
+void
+dequote_downcase_identifier(char *str, bool downcase, int encoding)
+{
+ bool inquotes = false;
+ char *cp = str;
+
+ while (*cp)
+ {
+ if (*cp == '"')
+ {
+ if (inquotes && cp[1] == '"')
+ {
+ /* Keep the first quote, remove the second */
+ cp++;
+ }
+ else
+ inquotes = !inquotes;
+ /* Collapse out quote at *cp */
+ memmove(cp, cp + 1, strlen(cp));
+ /* do not advance cp */
+ }
+ else
+ {
+ if (downcase && !inquotes)
+ *cp = pg_tolower((unsigned char) *cp);
+ cp += PQmblenBounded(cp, encoding);
+ }
+ }
+}
+
+/*
+ * Evaluate a backticked substring of a slash command's argument.
+ *
+ * The portion of output_buf starting at backtick_start_offset is evaluated
+ * as a shell command and then replaced by the command's output.
+ */
+static void
+evaluate_backtick(PsqlScanState state)
+{
+ PQExpBuffer output_buf = state->output_buf;
+ char *cmd = output_buf->data + backtick_start_offset;
+ PQExpBufferData cmd_output;
+ FILE *fd;
+ bool error = false;
+ char buf[512];
+ size_t result;
+
+ initPQExpBuffer(&cmd_output);
+
+ fd = popen(cmd, "r");
+ if (!fd)
+ {
+ pg_log_error("%s: %m", cmd);
+ error = true;
+ }
+
+ if (!error)
+ {
+ do
+ {
+ result = fread(buf, 1, sizeof(buf), fd);
+ if (ferror(fd))
+ {
+ pg_log_error("%s: %m", cmd);
+ error = true;
+ break;
+ }
+ appendBinaryPQExpBuffer(&cmd_output, buf, result);
+ } while (!feof(fd));
+ }
+
+ if (fd && pclose(fd) == -1)
+ {
+ pg_log_error("%s: %m", cmd);
+ error = true;
+ }
+
+ if (PQExpBufferDataBroken(cmd_output))
+ {
+ pg_log_error("%s: out of memory", cmd);
+ error = true;
+ }
+
+ /* Now done with cmd, delete it from output_buf */
+ output_buf->len = backtick_start_offset;
+ output_buf->data[output_buf->len] = '\0';
+
+ /* If no error, transfer result to output_buf */
+ if (!error)
+ {
+ /* strip any trailing newline (but only one) */
+ if (cmd_output.len > 0 &&
+ cmd_output.data[cmd_output.len - 1] == '\n')
+ cmd_output.len--;
+ appendBinaryPQExpBuffer(output_buf, cmd_output.data, cmd_output.len);
+ }
+
+ termPQExpBuffer(&cmd_output);
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-20 17:07:28 +0000