diff options
Diffstat (limited to 'src/lex.c')
| -rw-r--r-- | src/lex.c | 2463 |
1 files changed, 2463 insertions, 0 deletions
diff --git a/src/lex.c b/src/lex.c new file mode 100644 index 0000000..a134ca1 --- /dev/null +++ b/src/lex.c @@ -0,0 +1,2463 @@ + +#line 3 "lex.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 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 24 +#define YY_END_OF_BUFFER 25 +/* 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_acclist[127] = + { 0, + 25, 13, 23, 24, 20, 23, 24, 22, 24, 23, + 24, 3, 13, 23, 24, 23, 24, 12, 13, 23, + 24, 20, 23, 24, 3, 13, 23, 24, 9, 13, + 23, 24, 10, 12, 13, 23, 24, 24, 24, 17, + 24, 24, 21, 24, 8, 13, 23, 24, 8, 13, + 23, 24, 11, 13, 23, 24, 11, 13, 23, 24, + 11, 13, 23, 24, 13, 20, 14, 3, 13, 3, + 2, 12, 13, 20, 9, 10, 3, 3, 13, 10, + 12, 13, 17, 19, 18, 7, 13, 13, 8, 13, + 11, 13, 11, 13, 11, 13, 16, 15, 10, 3, + + 3, 13, 7, 13, 6, 13, 4, 11, 13, 5, + 11, 13, 3, 3, 13, 6, 13, 3, 3, 13, + 3, 3, 3, 1, 2, 1 + } ; + +static yyconst flex_int16_t yy_accept[86] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, + 5, 8, 10, 12, 16, 18, 22, 25, 29, 33, + 38, 39, 40, 42, 43, 45, 49, 53, 57, 61, + 65, 66, 67, 67, 68, 68, 70, 71, 72, 74, + 75, 75, 76, 77, 78, 80, 83, 83, 84, 84, + 85, 86, 88, 89, 91, 93, 95, 97, 98, 99, + 99, 99, 100, 101, 103, 105, 107, 110, 113, 113, + 114, 116, 118, 118, 119, 121, 121, 122, 123, 123, + 124, 126, 126, 127, 127 + } ; + +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, 1, 4, 5, 1, 1, 1, 1, 1, + 1, 1, 1, 6, 7, 1, 1, 8, 9, 9, + 9, 9, 9, 9, 9, 10, 10, 1, 1, 1, + 6, 1, 11, 1, 12, 12, 12, 12, 12, 12, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 14, 13, 13, + 6, 15, 6, 1, 13, 1, 16, 12, 12, 17, + + 18, 19, 13, 13, 20, 13, 13, 21, 13, 22, + 23, 24, 13, 13, 13, 13, 13, 13, 13, 14, + 13, 13, 6, 1, 6, 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[25] = + { 0, + 1, 2, 3, 4, 5, 4, 6, 6, 6, 6, + 5, 7, 7, 7, 1, 7, 7, 7, 7, 7, + 7, 7, 7, 7 + } ; + +static yyconst flex_int16_t yy_base[100] = + { 0, + 0, 24, 46, 48, 50, 52, 67, 0, 186, 0, + 183, 346, 88, 102, 346, 108, 55, 122, 0, 143, + 92, 346, 346, 180, 346, 50, 85, 158, 173, 81, + 0, 180, 95, 346, 178, 96, 177, 346, 192, 109, + 100, 346, 0, 113, 110, 207, 114, 346, 176, 346, + 346, 124, 215, 127, 158, 157, 121, 346, 346, 120, + 155, 0, 136, 125, 141, 227, 153, 149, 144, 139, + 149, 0, 144, 142, 150, 155, 162, 152, 150, 98, + 346, 59, 346, 346, 246, 253, 260, 267, 274, 280, + 287, 294, 301, 308, 315, 322, 324, 331, 338 + + } ; + +static yyconst flex_int16_t yy_def[100] = + { 0, + 84, 84, 85, 85, 85, 85, 84, 7, 84, 86, + 84, 84, 87, 88, 84, 89, 90, 88, 86, 91, + 92, 84, 84, 93, 84, 86, 86, 94, 94, 29, + 86, 84, 87, 84, 95, 18, 96, 84, 89, 90, + 84, 84, 97, 96, 18, 91, 92, 84, 93, 84, + 84, 86, 86, 86, 29, 29, 29, 84, 84, 84, + 84, 97, 96, 18, 86, 86, 29, 29, 84, 96, + 18, 66, 84, 96, 18, 84, 96, 98, 99, 98, + 84, 99, 84, 0, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, 84 + + } ; + +static yyconst flex_int16_t yy_nxt[371] = + { 0, + 10, 11, 12, 13, 14, 15, 10, 10, 10, 10, + 10, 16, 16, 16, 10, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 10, 17, 12, 13, 18, 15, + 10, 10, 10, 10, 19, 20, 20, 20, 10, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 22, 23, + 22, 23, 22, 23, 22, 23, 40, 52, 52, 41, + 24, 83, 24, 53, 24, 42, 24, 10, 11, 25, + 15, 10, 15, 10, 26, 27, 27, 10, 28, 28, + 28, 10, 28, 28, 28, 28, 28, 28, 28, 29, + 30, 34, 54, 54, 54, 48, 57, 37, 34, 55, + + 81, 60, 35, 37, 38, 37, 49, 37, 31, 35, + 40, 37, 31, 41, 44, 38, 36, 48, 31, 42, + 61, 60, 31, 44, 38, 37, 37, 37, 49, 64, + 36, 65, 65, 63, 54, 54, 54, 68, 38, 55, + 61, 38, 45, 31, 38, 36, 71, 31, 65, 65, + 37, 78, 83, 31, 81, 70, 79, 31, 31, 77, + 74, 76, 31, 78, 38, 73, 75, 55, 31, 36, + 36, 55, 31, 31, 69, 67, 55, 31, 51, 38, + 59, 32, 51, 31, 32, 84, 84, 31, 84, 84, + 84, 56, 31, 84, 84, 84, 31, 84, 84, 84, + + 84, 84, 31, 84, 84, 84, 31, 31, 84, 84, + 84, 31, 84, 84, 84, 84, 84, 31, 84, 84, + 84, 31, 66, 66, 66, 84, 66, 84, 84, 84, + 66, 66, 66, 66, 72, 72, 72, 84, 72, 84, + 84, 84, 72, 72, 72, 72, 21, 21, 21, 21, + 21, 21, 21, 31, 84, 84, 84, 31, 31, 31, + 33, 33, 84, 33, 33, 33, 33, 36, 36, 36, + 36, 36, 36, 36, 39, 84, 84, 84, 39, 39, + 39, 43, 84, 84, 43, 84, 43, 46, 84, 84, + 84, 46, 46, 46, 47, 47, 84, 47, 47, 47, + + 47, 50, 50, 50, 50, 50, 50, 50, 55, 84, + 84, 84, 55, 55, 55, 58, 58, 58, 58, 58, + 58, 58, 37, 37, 37, 37, 37, 37, 37, 62, + 62, 80, 80, 80, 80, 80, 80, 80, 82, 82, + 82, 82, 82, 82, 82, 9, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, 84, 84 + } ; + +static yyconst flex_int16_t yy_chk[371] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, + 4, 4, 5, 5, 6, 6, 17, 26, 26, 17, + 3, 82, 4, 26, 5, 17, 6, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 13, 27, 27, 27, 21, 30, 36, 33, 30, + + 80, 41, 13, 14, 14, 14, 21, 14, 16, 33, + 40, 45, 16, 40, 44, 44, 36, 47, 16, 40, + 41, 60, 16, 18, 18, 18, 64, 18, 47, 45, + 45, 52, 52, 44, 54, 54, 54, 57, 63, 57, + 60, 70, 18, 20, 74, 64, 64, 20, 65, 65, + 71, 75, 79, 20, 78, 63, 76, 20, 28, 74, + 70, 73, 28, 77, 77, 69, 71, 68, 28, 71, + 75, 67, 28, 29, 61, 56, 55, 29, 49, 37, + 35, 32, 24, 29, 11, 9, 0, 29, 0, 0, + 0, 29, 39, 0, 0, 0, 39, 0, 0, 0, + + 0, 0, 39, 0, 0, 0, 39, 46, 0, 0, + 0, 46, 0, 0, 0, 0, 0, 46, 0, 0, + 0, 46, 53, 53, 53, 0, 53, 0, 0, 0, + 53, 53, 53, 53, 66, 66, 66, 0, 66, 0, + 0, 0, 66, 66, 66, 66, 85, 85, 85, 85, + 85, 85, 85, 86, 0, 0, 0, 86, 86, 86, + 87, 87, 0, 87, 87, 87, 87, 88, 88, 88, + 88, 88, 88, 88, 89, 0, 0, 0, 89, 89, + 89, 90, 0, 0, 90, 0, 90, 91, 0, 0, + 0, 91, 91, 91, 92, 92, 0, 92, 92, 92, + + 92, 93, 93, 93, 93, 93, 93, 93, 94, 0, + 0, 0, 94, 94, 94, 95, 95, 95, 95, 95, + 95, 95, 96, 96, 96, 96, 96, 96, 96, 97, + 97, 98, 98, 98, 98, 98, 98, 98, 99, 99, + 99, 99, 99, 99, 99, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, 84, 84, + 84, 84, 84, 84, 84, 84, 84, 84, 84, 84 + } ; + +extern int yy_flex_debug; +int yy_flex_debug = 0; + +static yy_state_type *yy_state_buf=0, *yy_state_ptr=0; +static char *yy_full_match; +static int yy_lp; +#define REJECT \ +{ \ +*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */ \ +yy_cp = (yy_full_match); /* restore poss. backed-over text */ \ +++(yy_lp); \ +goto find_rule; \ +} + +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#line 1 "lex.l" +#line 2 "lex.l" +/* This file is part of GDBM, the GNU data base manager. + Copyright (C) 1990, 1991, 1993, 2007, 2011, 2013 Free Software Foundation, + Inc. + + GDBM 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 3, or (at your option) + any later version. + + GDBM 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 GDBM. If not, see <http://www.gnu.org/licenses/>. */ + +#include "gdbmtool.h" +#include "gram.h" + +struct point point; + +/* Advance locus to the next line */ +void +advance_line () +{ + ++point.line; + point.col = 0; +} + +#define YY_USER_ACTION \ + do \ + { \ + if (YYSTATE == 0) \ + { \ + yylloc.beg = point; \ + yylloc.beg.col++; \ + } \ + point.col += yyleng; \ + yylloc.end = point; \ + } \ + while (0); + +#undef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + do \ + { \ + result = read_input (buf, max_size); \ + } \ + while (0); + +void string_begin (void); +void string_add (const char *s, int l); +void string_addc (int c); +char *string_end (void); +int unescape (int c); + +static ssize_t read_input (char *buf, size_t size); + +struct context /* Input context */ +{ + struct context *parent; /* Pointer to the parent context */ + struct locus locus; /* Locus */ + struct point point; + int interactive; + ino_t ino; /* Inode number */ + dev_t dev; /* Device number */ + FILE *file; /* Input file */ + YY_BUFFER_STATE buf; /* Buffer */ +}; + +static struct context *context_tos; +static ino_t ino; +static dev_t dev; +int interactive; /* Are we running in interactive mode? */ +static int initialized; + +static void +context_push () +{ + struct context *cp = ecalloc (1, sizeof (*cp)); + + cp->locus = yylloc; + cp->point = point; + cp->interactive = interactive; + cp->ino = ino; + cp->dev = dev; + cp->file = yyin; + cp->buf = YY_CURRENT_BUFFER; + cp->parent = context_tos; + context_tos = cp; +} + +int +context_pop () +{ + struct context *cp = context_tos; + + fclose (yyin); + yyin = NULL; + free (point.file); + point.file = NULL; + memset (&yylloc, 0, sizeof (yylloc)); + + if (!cp) + return 1; + + context_tos = cp->parent; + + yylloc = cp->locus; + point = cp->point; + interactive = cp->interactive; + ino = cp->ino; + dev = cp->dev; + yyin = cp->file; + yy_delete_buffer (YY_CURRENT_BUFFER); + yy_switch_to_buffer (cp->buf); + + return 0; +} + +static struct context * +findctx (struct stat *st) +{ + struct context *cp; + + for (cp = context_tos; cp; cp = cp->parent) + if (cp->dev == st->st_dev && cp->ino == st->st_ino) + break; + return cp; +} + +int +setsource (const char *name, int intr) +{ + struct stat st; + struct context *cp; + FILE *fp; + + if (strcmp (name, "-") == 0) + { + fp = stdin; + name = "stdin"; + } + else + { + if (stat (name, &st)) + { + terror (_("cannot open `%s': %s"), name, strerror (errno)); + return -1; + } + else if (!S_ISREG (st.st_mode)) + { + terror (_("%s is not a regular file"), name); + return -1; + } + + cp = findctx (&st); + if (cp) + { + terror (_("recursive sourcing")); + if (cp->parent) + lerror (&cp->locus, _("%s already sourced here"), name); + return 1; + } + + fp = fopen (name, "r"); + if (!fp) + { + terror (_("cannot open %s for reading: %s"), name, + strerror (errno)); + return 1; + } + } + + if (yyin) + context_push (); + + yyin = fp; + yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE)); + + interactive = intr; + dev = st.st_dev; + ino = st.st_ino; + + point.file = estrdup (name); + point.line = 1; + point.col = 0; + + initialized = 1; + + return 0; +} + +#line 774 "lex.c" + +#define INITIAL 0 +#define STR 1 +#define MLSTR 2 +#define DEF 3 + +#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 + +#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 \ + if ( yyleng > 0 ) \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ + (yytext[yyleng - 1] == '\n'); \ + 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 208 "lex.l" + +#line 962 "lex.c" + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + /* Create the reject buffer large enough to save one state per allowed character. */ + if ( ! (yy_state_buf) ) + (yy_state_buf) = (yy_state_type *)yyalloc(YY_STATE_BUF_SIZE ); + if ( ! (yy_state_buf) ) + YY_FATAL_ERROR( "out of dynamic memory in yylex()" ); + + 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_current_state += YY_AT_BOL(); + + (yy_state_ptr) = (yy_state_buf); + *(yy_state_ptr)++ = yy_current_state; + +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*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 >= 85 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + *(yy_state_ptr)++ = yy_current_state; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 346 ); + +yy_find_action: + yy_current_state = *--(yy_state_ptr); + (yy_lp) = yy_accept[yy_current_state]; +find_rule: /* we branch to this label when backing up */ + for ( ; ; ) /* until we find what rule we matched */ + { + if ( (yy_lp) && (yy_lp) < yy_accept[yy_current_state + 1] ) + { + yy_act = yy_acclist[(yy_lp)]; + { + (yy_full_match) = yy_cp; + break; + } + } + --yy_cp; + yy_current_state = *--(yy_state_ptr); + (yy_lp) = 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 209 "lex.l" +{ + char *p; + char *file = NULL; + int line, len; + + for (p = strchr (yytext, '#') + 1; *p == ' ' || *p == '\t'; p++); + p += 4; + for (; *p == ' ' || *p == '\t'; p++); + + line = strtol (p, &p, 10); + for (; *p == ' ' || *p == '\t'; p++); + + if (*p == '"') + { + p++; + len = strcspn (p, "\""); + if (p[len] == 0) + { + yyerror (_("invalid #line statement")); + REJECT; + } + file = emalloc (len + 1); + memcpy (file, p, len); + file[len] = 0; + for (p += len + 1; *p == ' ' || *p == '\t'; p++); + } + if (*p != '\n' ) + { + yyerror (_("invalid #line statement")); + free (file); + REJECT; + } + if (file) + point.file = file; + point.line = line; + point.col = 0; +} + YY_BREAK +case 2: +/* rule 2 can match eol */ +YY_RULE_SETUP +#line 246 "lex.l" +advance_line (); + YY_BREAK +case 3: +YY_RULE_SETUP +#line 247 "lex.l" +/* end-of-file comment */; + YY_BREAK +case 4: +YY_RULE_SETUP +#line 249 "lex.l" +{ return T_OFF; } + YY_BREAK +case 5: +YY_RULE_SETUP +#line 250 "lex.l" +{ return T_PAD; } + YY_BREAK +case 6: +YY_RULE_SETUP +#line 251 "lex.l" +{ yylval.num = strtoul (yytext, NULL, 16); + return T_NUM; }; + YY_BREAK +case 7: +YY_RULE_SETUP +#line 253 "lex.l" +{ yylval.num = strtoul (yytext, NULL, 8); + return T_NUM; }; + YY_BREAK +case 8: +YY_RULE_SETUP +#line 255 "lex.l" +{ yylval.num = strtoul (yytext, NULL, 10); + return T_NUM; }; + YY_BREAK +case 9: +YY_RULE_SETUP +#line 257 "lex.l" +{ return command_lookup ("help", &yylloc, &yylval.cmd); } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 258 "lex.l" +{ char *p = yytext + strspn (yytext, " \t"); + return command_lookup (p, &yylloc, &yylval.cmd); + } + YY_BREAK +case 11: +YY_RULE_SETUP +#line 261 "lex.l" +{ if ((yylval.type = datadef_lookup (yytext))) + return T_TYPE; + else + { + yylval.string = estrdup (yytext); + return T_IDENT; + } + } + YY_BREAK +case 12: +YY_RULE_SETUP +#line 269 "lex.l" +{ yylval.string = estrdup (yytext); + return T_IDENT; + } + YY_BREAK +case 13: +YY_RULE_SETUP +#line 272 "lex.l" +{ yylval.string = estrdup (yytext); + return T_WORD; } + YY_BREAK +case 14: +YY_RULE_SETUP +#line 274 "lex.l" +{ yylval.string = emalloc (yyleng - 1); + memcpy (yylval.string, yytext+1, yyleng-2); + yylval.string[yyleng-2] = 0; + return T_WORD; } + YY_BREAK +case 15: +*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */ +(yy_c_buf_p) = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 278 "lex.l" +{ string_begin (); + string_add (yytext + 1, yyleng - 2); + BEGIN (MLSTR); } + YY_BREAK +case 16: +YY_RULE_SETUP +#line 281 "lex.l" +{ string_begin (); + string_add (yytext + 1, yyleng - 3); + string_addc (unescape (yytext[yyleng-1])); + BEGIN (STR); } + YY_BREAK +case 17: +YY_RULE_SETUP +#line 285 "lex.l" +{ if (yyleng > 1) + string_add (yytext, yyleng - 1); + yylval.string = string_end (); + BEGIN (INITIAL); + return T_WORD; } + YY_BREAK +case 18: +*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */ +(yy_c_buf_p) = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 290 "lex.l" +{ string_add (yytext, yyleng - 1); } + YY_BREAK +case 19: +YY_RULE_SETUP +#line 291 "lex.l" +{ string_add (yytext, yyleng - 2); + string_addc (unescape (yytext[yyleng-1])); } + YY_BREAK +case 20: +YY_RULE_SETUP +#line 293 "lex.l" +; + YY_BREAK +case 21: +/* rule 21 can match eol */ +YY_RULE_SETUP +#line 294 "lex.l" +{ advance_line (); } + YY_BREAK +case 22: +/* rule 22 can match eol */ +YY_RULE_SETUP +#line 295 "lex.l" +{ advance_line (); return '\n'; } + YY_BREAK +case 23: +YY_RULE_SETUP +#line 296 "lex.l" +return yytext[0]; + YY_BREAK +case 24: +YY_RULE_SETUP +#line 297 "lex.l" +ECHO; + YY_BREAK +#line 1249 "lex.c" + case YY_STATE_EOF(INITIAL): + case YY_STATE_EOF(STR): + case YY_STATE_EOF(MLSTR): + case YY_STATE_EOF(DEF): + 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. */ + + YY_FATAL_ERROR( +"input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); + + } + + 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); + yy_current_state += YY_AT_BOL(); + + (yy_state_ptr) = (yy_state_buf); + *(yy_state_ptr)++ = yy_current_state; + + 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); + 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 >= 85 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + *(yy_state_ptr)++ = yy_current_state; + } + + 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 YY_CHAR yy_c = 1; + 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 >= 85 ) + 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 == 84); + if ( ! yy_is_jam ) + *(yy_state_ptr)++ = yy_current_state; + + return yy_is_jam ? 0 : yy_current_state; +} + +#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); + + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); + + 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; + + (yy_state_buf) = 0; + (yy_state_ptr) = 0; + (yy_full_match) = 0; + (yy_lp) = 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; + + yyfree ( (yy_state_buf) ); + (yy_state_buf) = 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 297 "lex.l" + + + +int +yywrap () +{ + return context_pop (); +} + +void +begin_def (void) +{ + BEGIN (DEF); +} + +void +end_def (void) +{ + BEGIN (INITIAL); +} + +static ssize_t +read_input (char *buf, size_t size) +{ + if (interactive) + { + if (YY_AT_BOL ()) + print_prompt (); + if (fgets (buf, size, yyin) == NULL) + return 0; + return strlen (buf); + } + return fread (buf, 1, size, yyin); +} + + +struct strseg +{ + struct strseg *next; + int len; + char ptr[1]; +}; + +static struct strseg *strseg_head, *strseg_tail; + +void +string_begin (void) +{ + strseg_head = strseg_tail = NULL; +} + +void +strseg_attach (struct strseg *seg) +{ + seg->next = NULL; + if (strseg_tail) + strseg_tail->next = seg; + else + strseg_head = seg; + strseg_tail = seg; +} + +void +string_add (const char *s, int l) +{ + struct strseg *seg = emalloc (sizeof (*seg) + l); + memcpy (seg->ptr, s, l); + seg->len = l; + strseg_attach (seg); +} + +void +string_addc (int c) +{ + struct strseg *seg = emalloc (sizeof (*seg)); + seg->ptr[0] = c; + seg->len = 1; + strseg_attach (seg); +} + +char * +string_end (void) +{ + int len = 1; + struct strseg *seg; + char *ret, *p; + + for (seg = strseg_head; seg; seg = seg->next) + len += seg->len; + + ret = emalloc (len); + p = ret; + for (seg = strseg_head; seg; ) + { + struct strseg *next = seg->next; + memcpy (p, seg->ptr, seg->len); + p += seg->len; + free (seg); + seg = next; + } + *p = 0; + + strseg_head = strseg_tail = NULL; + + return ret; +} + +static char transtab[] = "\\\\\"\"a\ab\bf\fn\nr\rt\tv\v"; + +int +unescape (int c) +{ + char *p; + + for (p = transtab; *p; p += 2) + { + if (*p == c) + return p[1]; + } + return c; +} + +int +escape (int c) +{ + char *p; + for (p = transtab + sizeof (transtab) - 2; p > transtab; p -= 2) + { + if (*p == c) + return p[-1]; + } + return 0; +} + +void +vlerror (struct locus *loc, const char *fmt, va_list ap) +{ + if (!interactive) + fprintf (stderr, "%s: ", progname); + if (initialized && loc && loc->beg.file) + { + YY_LOCATION_PRINT (stderr, *loc); + fprintf (stderr, ": "); + } + vfprintf (stderr, fmt, ap); + fputc ('\n', stderr); +} + +void +lerror (struct locus *loc, const char *fmt, ...) +{ + va_list ap; + + va_start (ap, fmt); + vlerror (loc, fmt, ap); + va_end (ap); +} + + +struct prompt_exp; + +void +pe_file_name (struct prompt_exp *p) +{ + if (file_name) + fwrite (file_name, strlen (file_name), 1, stdout); +} + +void +pe_program_name (struct prompt_exp *p) +{ + fwrite (progname, strlen (progname), 1, stdout); +} + +void +pe_package_name (struct prompt_exp *p) +{ + fwrite (PACKAGE_NAME, sizeof (PACKAGE_NAME) - 1, 1, stdout); +} + +void +pe_program_version (struct prompt_exp *p) +{ + fwrite (PACKAGE_VERSION, sizeof (PACKAGE_VERSION) - 1, 1, stdout); +} + +void +pe_space (struct prompt_exp *p) +{ + fwrite (" ", 1, 1, stdout); +} + +struct prompt_exp +{ + int ch; + void (*fun) (struct prompt_exp *); + char *cache; +}; + +struct prompt_exp prompt_exp[] = { + { 'f', pe_file_name }, + { 'p', pe_program_name }, + { 'P', pe_package_name }, + { 'v', pe_program_version }, + { '_', pe_space }, + { 0 } +}; + +static void +expand_char (int c) +{ + struct prompt_exp *p; + + if (c && c != '%') + { + for (p = prompt_exp; p->ch; p++) + { + if (c == p->ch) + { + if (p->cache) + free (p->cache); + return p->fun (p); + } + } + } + putchar ('%'); + putchar (c); +} + +char const * +psname () +{ + if (YYSTATE == DEF || YYSTATE == MLSTR) + return "ps2"; + return "ps1"; +} + +void +print_prompt () +{ + const char *s; + const char *prompt; + + switch (variable_get (psname (), VART_STRING, (void *) &prompt)) + { + case VAR_OK: + break; + + case VAR_ERR_NOTSET: + return; + + default: + abort (); + } + + for (s = prompt; *s; s++) + { + if (*s == '%') + { + if (!*++s) + { + putchar ('%'); + break; + } + expand_char (*s); + } + else + putchar (*s); + } + + fflush (stdout); +} + + |