Index: bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/calc++-scanner.cc |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/calc++-scanner.cc (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/calc++-scanner.cc (revision 0) |
@@ -0,0 +1,2089 @@ |
+ |
+#line 3 "calc++-scanner.cc" |
+ |
+#define YY_INT_ALIGNED short int |
+ |
+/* A lexical scanner generated by flex */ |
+ |
+/* %not-for-header */ |
+ |
+/* %if-c-only */ |
+/* %if-not-reentrant */ |
+ |
+/* %endif */ |
+/* %endif */ |
+/* %ok-for-header */ |
+ |
+#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 |
+ |
+/* %if-c++-only */ |
+/* %endif */ |
+ |
+/* %if-c-only */ |
+ |
+/* %endif */ |
+ |
+/* %if-c-only */ |
+ |
+/* %endif */ |
+ |
+/* First, we deal with platform-specific or compiler-specific issues. */ |
+ |
+/* begin standard C headers. */ |
+/* %if-c-only */ |
+#include <stdio.h> |
+#include <string.h> |
+#include <errno.h> |
+#include <stdlib.h> |
+/* %endif */ |
+ |
+/* %if-tables-serialization */ |
+/* %endif */ |
+/* end standard C headers. */ |
+ |
+/* %if-c-or-c++ */ |
+/* 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 */ |
+ |
+/* %endif */ |
+ |
+/* %if-c++-only */ |
+/* %endif */ |
+ |
+#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 |
+ |
+/* %not-for-header */ |
+ |
+/* Returned upon end-of-file. */ |
+#define YY_NULL 0 |
+/* %ok-for-header */ |
+ |
+/* %not-for-header */ |
+ |
+/* 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) |
+/* %ok-for-header */ |
+ |
+/* %if-reentrant */ |
+/* %endif */ |
+ |
+/* %if-not-reentrant */ |
+ |
+/* %endif */ |
+ |
+/* 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 |
+ |
+/* %if-not-reentrant */ |
+extern int yyleng; |
+/* %endif */ |
+ |
+/* %if-c-only */ |
+/* %if-not-reentrant */ |
+extern FILE *yyin, *yyout; |
+/* %endif */ |
+/* %endif */ |
+ |
+#define EOB_ACT_CONTINUE_SCAN 0 |
+#define EOB_ACT_END_OF_FILE 1 |
+#define EOB_ACT_LAST_MATCH 2 |
+ |
+ #define YY_LESS_LINENO(n) |
+ |
+/* Return all but the first "n" matched characters back to the input stream. */ |
+#define yyless(n) \ |
+ do \ |
+ { \ |
+ /* Undo effects of setting up yytext. */ \ |
+ int yyless_macro_arg = (n); \ |
+ YY_LESS_LINENO(yyless_macro_arg);\ |
+ *yy_cp = (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 |
+ { |
+/* %if-c-only */ |
+ FILE *yy_input_file; |
+/* %endif */ |
+ |
+/* %if-c++-only */ |
+/* %endif */ |
+ |
+ 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 */ |
+ |
+/* %if-c-only Standard (non-C++) definition */ |
+/* %not-for-header */ |
+ |
+/* %if-not-reentrant */ |
+ |
+/* 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. */ |
+/* %endif */ |
+/* %ok-for-header */ |
+ |
+/* %endif */ |
+ |
+/* 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)] |
+ |
+/* %if-c-only Standard (non-C++) definition */ |
+ |
+/* %if-not-reentrant */ |
+/* %not-for-header */ |
+ |
+/* 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; |
+/* %ok-for-header */ |
+ |
+/* %endif */ |
+ |
+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 ); |
+ |
+/* %endif */ |
+ |
+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) |
+ |
+/* %% [1.0] yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here */ |
+/* Begin user sect3 */ |
+ |
+#define yywrap(n) 1 |
+#define YY_SKIP_YYWRAP |
+ |
+#define FLEX_DEBUG |
+ |
+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 |
+ |
+/* %if-c-only Standard (non-C++) definition */ |
+ |
+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[] ); |
+ |
+/* %endif */ |
+ |
+/* 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; \ |
+/* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\ |
+ yyleng = (size_t) (yy_cp - yy_bp); \ |
+ (yy_hold_char) = *yy_cp; \ |
+ *yy_cp = '\0'; \ |
+/* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\ |
+ (yy_c_buf_p) = yy_cp; |
+ |
+/* %% [4.0] data tables for the DFA and the user's section 1 definitions go here */ |
+#define YY_NUM_RULES 8 |
+#define YY_END_OF_BUFFER 9 |
+/* This struct is not used in this scanner, |
+ but its presence is necessary. */ |
+struct yy_trans_info |
+ { |
+ flex_int32_t yy_verify; |
+ flex_int32_t yy_nxt; |
+ }; |
+static yyconst flex_int16_t yy_accept[17] = |
+ { 0, |
+ 0, 0, 9, 7, 1, 2, 3, 5, 7, 6, |
+ 1, 2, 5, 4, 6, 0 |
+ } ; |
+ |
+static yyconst flex_int32_t yy_ec[256] = |
+ { 0, |
+ 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, |
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
+ 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, |
+ 1, 4, 4, 1, 4, 1, 4, 5, 5, 5, |
+ 5, 5, 5, 5, 5, 5, 5, 6, 1, 1, |
+ 7, 1, 1, 1, 8, 8, 8, 8, 8, 8, |
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
+ 1, 1, 1, 1, 9, 1, 8, 8, 8, 8, |
+ |
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
+ 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, |
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
+ 1, 1, 1, 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[10] = |
+ { 0, |
+ 1, 1, 1, 1, 2, 1, 1, 2, 2 |
+ } ; |
+ |
+static yyconst flex_int16_t yy_base[18] = |
+ { 0, |
+ 0, 0, 18, 19, 15, 13, 19, 10, 7, 0, |
+ 11, 9, 6, 19, 0, 19, 8 |
+ } ; |
+ |
+static yyconst flex_int16_t yy_def[18] = |
+ { 0, |
+ 16, 1, 16, 16, 16, 16, 16, 16, 16, 17, |
+ 16, 16, 16, 16, 17, 0, 16 |
+ } ; |
+ |
+static yyconst flex_int16_t yy_nxt[29] = |
+ { 0, |
+ 4, 5, 6, 7, 8, 9, 4, 10, 4, 15, |
+ 13, 12, 11, 14, 13, 12, 11, 16, 3, 16, |
+ 16, 16, 16, 16, 16, 16, 16, 16 |
+ } ; |
+ |
+static yyconst flex_int16_t yy_chk[29] = |
+ { 0, |
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 17, |
+ 13, 12, 11, 9, 8, 6, 5, 3, 16, 16, |
+ 16, 16, 16, 16, 16, 16, 16, 16 |
+ } ; |
+ |
+static yy_state_type yy_last_accepting_state; |
+static char *yy_last_accepting_cpos; |
+ |
+extern int yy_flex_debug; |
+int yy_flex_debug = 1; |
+ |
+static yyconst flex_int16_t yy_rule_linenum[8] = |
+ { 0, |
+ 35, 36, 42, 43, 44, 52, 53 |
+ } ; |
+ |
+/* The intent behind this definition is that it'll catch |
+ * any uses of REJECT which flex missed. |
+ */ |
+#define REJECT reject_used_but_not_detected |
+#define yymore() yymore_used_but_not_detected |
+#define YY_MORE_ADJ 0 |
+#define YY_RESTORE_YY_MORE_OFFSET |
+char *yytext; |
+#line 1 "calc++-scanner.ll" |
+#line 2 "calc++-scanner.ll" |
+# include <cstdlib> |
+# include <errno.h> |
+# include <limits.h> |
+# include <string> |
+# include "calc++-driver.hh" |
+# include "calc++-parser.hh" |
+ |
+/* Work around an incompatibility in flex (at least versions |
+ 2.5.31 through 2.5.33): it generates code that does |
+ not conform to C89. See Debian bug 333231 |
+ <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=333231>. */ |
+# undef yywrap |
+# define yywrap() 1 |
+ |
+/* By default yylex returns int, we use token_type. |
+ Unfortunately yyterminate by default returns 0, which is |
+ not of token_type. */ |
+#define yyterminate() return token::END |
+#line 29 "calc++-scanner.ll" |
+# define YY_USER_ACTION yylloc->columns (yyleng); |
+#line 568 "calc++-scanner.cc" |
+ |
+#define INITIAL 0 |
+ |
+#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. |
+ */ |
+/* %if-c-only */ |
+#include <unistd.h> |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+#endif |
+ |
+#ifndef YY_EXTRA_TYPE |
+#define YY_EXTRA_TYPE void * |
+#endif |
+ |
+/* %if-c-only Reentrant structure and macros (non-C++). */ |
+/* %if-reentrant */ |
+/* %if-c-only */ |
+ |
+static int yy_init_globals (void ); |
+ |
+/* %endif */ |
+/* %if-reentrant */ |
+/* %endif */ |
+/* %endif End reentrant structures and macros. */ |
+ |
+/* 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 ); |
+ |
+/* %if-bison-bridge */ |
+/* %endif */ |
+ |
+/* 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 |
+ |
+/* %not-for-header */ |
+ |
+/* %ok-for-header */ |
+ |
+/* %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 |
+/* %if-c-only Standard (non-C++) definition */ |
+/* %not-for-header */ |
+ |
+#ifdef __cplusplus |
+static int yyinput (void ); |
+#else |
+static int input (void ); |
+#endif |
+/* %ok-for-header */ |
+ |
+/* %endif */ |
+#endif |
+ |
+/* %if-c-only */ |
+ |
+/* %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 |
+/* %if-c-only Standard (non-C++) definition */ |
+/* 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 */ |
+/* %if-c++-only C++ definition */ |
+/* %endif */ |
+#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) \ |
+/* %% [5.0] fread()/read() definition of YY_INPUT goes here unless we're doing C++ \ */\ |
+ 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); \ |
+ } \ |
+ }\ |
+\ |
+/* %if-c++-only C++ definition \ */\ |
+/* %endif */ |
+ |
+#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 |
+/* %if-c-only */ |
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+#endif |
+ |
+/* %if-tables-serialization structures and prototypes */ |
+/* %not-for-header */ |
+ |
+/* %ok-for-header */ |
+ |
+/* %not-for-header */ |
+ |
+/* %tables-yydmap generated elements */ |
+/* %endif */ |
+/* end tables serialization structures and prototypes */ |
+ |
+/* %ok-for-header */ |
+ |
+/* Default declaration of generated scanner - a define so the user can |
+ * easily add parameters. |
+ */ |
+#ifndef YY_DECL |
+#define YY_DECL_IS_OURS 1 |
+/* %if-c-only Standard (non-C++) definition */ |
+ |
+extern int yylex (void); |
+ |
+#define YY_DECL int yylex (void) |
+/* %endif */ |
+/* %if-c++-only C++ definition */ |
+/* %endif */ |
+#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 |
+ |
+/* %% [6.0] YY_RULE_SETUP definition goes here */ |
+#define YY_RULE_SETUP \ |
+ YY_USER_ACTION |
+ |
+/* %not-for-header */ |
+ |
+/** 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; |
+ |
+/* %% [7.0] user's declarations go here */ |
+#line 31 "calc++-scanner.ll" |
+ |
+ |
+ yylloc->step (); |
+ |
+#line 813 "calc++-scanner.cc" |
+ |
+ if ( !(yy_init) ) |
+ { |
+ (yy_init) = 1; |
+ |
+#ifdef YY_USER_INIT |
+ YY_USER_INIT; |
+#endif |
+ |
+ if ( ! (yy_start) ) |
+ (yy_start) = 1; /* first start state */ |
+ |
+ if ( ! yyin ) |
+/* %if-c-only */ |
+ yyin = stdin; |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+ |
+ if ( ! yyout ) |
+/* %if-c-only */ |
+ yyout = stdout; |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+ |
+ 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 */ |
+ { |
+/* %% [8.0] yymore()-related code goes here */ |
+ 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; |
+ |
+/* %% [9.0] code to set up and find next match goes here */ |
+ yy_current_state = (yy_start); |
+yy_match: |
+ do |
+ { |
+ register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; |
+ if ( yy_accept[yy_current_state] ) |
+ { |
+ (yy_last_accepting_state) = yy_current_state; |
+ (yy_last_accepting_cpos) = yy_cp; |
+ } |
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) |
+ { |
+ yy_current_state = (int) yy_def[yy_current_state]; |
+ if ( yy_current_state >= 17 ) |
+ yy_c = yy_meta[(unsigned int) yy_c]; |
+ } |
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; |
+ ++yy_cp; |
+ } |
+ while ( yy_current_state != 16 ); |
+ yy_cp = (yy_last_accepting_cpos); |
+ yy_current_state = (yy_last_accepting_state); |
+ |
+yy_find_action: |
+/* %% [10.0] code to find the action number goes here */ |
+ yy_act = yy_accept[yy_current_state]; |
+ |
+ YY_DO_BEFORE_ACTION; |
+ |
+/* %% [11.0] code for yylineno update goes here */ |
+ |
+do_action: /* This label is used only to access EOF actions. */ |
+ |
+/* %% [12.0] debug code goes here */ |
+ if ( yy_flex_debug ) |
+ { |
+ if ( yy_act == 0 ) |
+ fprintf( stderr, "--scanner backing up\n" ); |
+ else if ( yy_act < 8 ) |
+ fprintf( stderr, "--accepting rule at line %ld (\"%s\")\n", |
+ (long)yy_rule_linenum[yy_act], yytext ); |
+ else if ( yy_act == 8 ) |
+ fprintf( stderr, "--accepting default rule (\"%s\")\n", |
+ yytext ); |
+ else if ( yy_act == 9 ) |
+ fprintf( stderr, "--(end of buffer or a NUL)\n" ); |
+ else |
+ fprintf( stderr, "--EOF (start condition %d)\n", YY_START ); |
+ } |
+ |
+ switch ( yy_act ) |
+ { /* beginning of action switch */ |
+/* %% [13.0] actions go here */ |
+ case 0: /* must back up */ |
+ /* undo the effects of YY_DO_BEFORE_ACTION */ |
+ *yy_cp = (yy_hold_char); |
+ yy_cp = (yy_last_accepting_cpos); |
+ yy_current_state = (yy_last_accepting_state); |
+ goto yy_find_action; |
+ |
+case 1: |
+YY_RULE_SETUP |
+#line 35 "calc++-scanner.ll" |
+yylloc->step (); |
+ YY_BREAK |
+case 2: |
+/* rule 2 can match eol */ |
+YY_RULE_SETUP |
+#line 36 "calc++-scanner.ll" |
+yylloc->lines (yyleng); yylloc->step (); |
+ YY_BREAK |
+ |
+ typedef yy::calcxx_parser::token token; |
+ |
+/* Convert ints to the actual type of tokens. */ |
+case 3: |
+YY_RULE_SETUP |
+#line 42 "calc++-scanner.ll" |
+return yy::calcxx_parser::token_type (yytext[0]); |
+ YY_BREAK |
+case 4: |
+YY_RULE_SETUP |
+#line 43 "calc++-scanner.ll" |
+return token::ASSIGN; |
+ YY_BREAK |
+case 5: |
+YY_RULE_SETUP |
+#line 44 "calc++-scanner.ll" |
+{ |
+ errno = 0; |
+ long n = strtol (yytext, NULL, 10); |
+ if (! (INT_MIN <= n && n <= INT_MAX && errno != ERANGE)) |
+ driver.error (*yylloc, "integer is out of range"); |
+ yylval->ival = n; |
+ return token::NUMBER; |
+} |
+ YY_BREAK |
+case 6: |
+YY_RULE_SETUP |
+#line 52 "calc++-scanner.ll" |
+yylval->sval = new std::string (yytext); return token::IDENTIFIER; |
+ YY_BREAK |
+case 7: |
+YY_RULE_SETUP |
+#line 53 "calc++-scanner.ll" |
+driver.error (*yylloc, "invalid character"); |
+ YY_BREAK |
+case 8: |
+YY_RULE_SETUP |
+#line 54 "calc++-scanner.ll" |
+ECHO; |
+ YY_BREAK |
+#line 975 "calc++-scanner.cc" |
+case YY_STATE_EOF(INITIAL): |
+ 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 |
+ { |
+/* %% [14.0] code to do back-up for compressed tables and set up yy_cp goes here */ |
+ yy_cp = (yy_last_accepting_cpos); |
+ yy_current_state = (yy_last_accepting_state); |
+ 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 */ |
+/* %ok-for-header */ |
+ |
+/* %if-c++-only */ |
+/* %not-for-header */ |
+ |
+/* %ok-for-header */ |
+ |
+/* %endif */ |
+ |
+/* 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 |
+ */ |
+/* %if-c-only */ |
+static int yy_get_next_buffer (void) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; |
+ register char *source = (yytext_ptr); |
+ register int number_to_move, i; |
+ int ret_val; |
+ |
+ if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) |
+ YY_FATAL_ERROR( |
+ "fatal flex scanner internal error--end of buffer missed" ); |
+ |
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) |
+ { /* Don't try to fill the buffer, so this is an EOF. */ |
+ if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) |
+ { |
+ /* We matched a single character, the EOB, so |
+ * treat this as a final EOF. |
+ */ |
+ return EOB_ACT_END_OF_FILE; |
+ } |
+ |
+ else |
+ { |
+ /* We matched some text prior to the EOB, first |
+ * process it. |
+ */ |
+ return EOB_ACT_LAST_MATCH; |
+ } |
+ } |
+ |
+ /* Try to read more data. */ |
+ |
+ /* First move last chars to start of buffer. */ |
+ number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; |
+ |
+ for ( i = 0; i < number_to_move; ++i ) |
+ *(dest++) = *(source++); |
+ |
+ if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) |
+ /* don't do the read, it's not guaranteed to return an EOF, |
+ * just force an EOF |
+ */ |
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; |
+ |
+ else |
+ { |
+ int num_to_read = |
+ YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; |
+ |
+ while ( num_to_read <= 0 ) |
+ { /* Not enough room in the buffer - grow it. */ |
+ |
+ /* just a shorter name for the current buffer */ |
+ YY_BUFFER_STATE b = YY_CURRENT_BUFFER; |
+ |
+ int yy_c_buf_p_offset = |
+ (int) ((yy_c_buf_p) - b->yy_ch_buf); |
+ |
+ if ( b->yy_is_our_buffer ) |
+ { |
+ int new_size = b->yy_buf_size * 2; |
+ |
+ if ( new_size <= 0 ) |
+ b->yy_buf_size += b->yy_buf_size / 8; |
+ else |
+ b->yy_buf_size *= 2; |
+ |
+ b->yy_ch_buf = (char *) |
+ /* Include room in for 2 EOB chars. */ |
+ yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); |
+ } |
+ else |
+ /* Can't grow it, we don't own it. */ |
+ b->yy_ch_buf = 0; |
+ |
+ if ( ! b->yy_ch_buf ) |
+ YY_FATAL_ERROR( |
+ "fatal error - scanner input buffer overflow" ); |
+ |
+ (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; |
+ |
+ num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - |
+ number_to_move - 1; |
+ |
+ } |
+ |
+ if ( num_to_read > YY_READ_BUF_SIZE ) |
+ num_to_read = YY_READ_BUF_SIZE; |
+ |
+ /* Read in more data. */ |
+ YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), |
+ (yy_n_chars), (size_t) num_to_read ); |
+ |
+ YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); |
+ } |
+ |
+ if ( (yy_n_chars) == 0 ) |
+ { |
+ if ( number_to_move == YY_MORE_ADJ ) |
+ { |
+ ret_val = EOB_ACT_END_OF_FILE; |
+ yyrestart(yyin ); |
+ } |
+ |
+ else |
+ { |
+ ret_val = EOB_ACT_LAST_MATCH; |
+ YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = |
+ YY_BUFFER_EOF_PENDING; |
+ } |
+ } |
+ |
+ else |
+ ret_val = EOB_ACT_CONTINUE_SCAN; |
+ |
+ if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { |
+ /* Extend the array by 50%, plus the number we really need. */ |
+ yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); |
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); |
+ if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) |
+ YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); |
+ } |
+ |
+ (yy_n_chars) += number_to_move; |
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; |
+ YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; |
+ |
+ (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; |
+ |
+ return ret_val; |
+} |
+ |
+/* yy_get_previous_state - get the state just before the EOB char was reached */ |
+ |
+/* %if-c-only */ |
+/* %not-for-header */ |
+ |
+ static yy_state_type yy_get_previous_state (void) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ register yy_state_type yy_current_state; |
+ register char *yy_cp; |
+ |
+/* %% [15.0] code to get the start state into yy_current_state goes here */ |
+ yy_current_state = (yy_start); |
+ |
+ for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) |
+ { |
+/* %% [16.0] code to find the next state goes here */ |
+ register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); |
+ if ( yy_accept[yy_current_state] ) |
+ { |
+ (yy_last_accepting_state) = yy_current_state; |
+ (yy_last_accepting_cpos) = yy_cp; |
+ } |
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) |
+ { |
+ yy_current_state = (int) yy_def[yy_current_state]; |
+ if ( yy_current_state >= 17 ) |
+ yy_c = yy_meta[(unsigned int) yy_c]; |
+ } |
+ yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; |
+ } |
+ |
+ return yy_current_state; |
+} |
+ |
+/* yy_try_NUL_trans - try to make a transition on the NUL character |
+ * |
+ * synopsis |
+ * next_state = yy_try_NUL_trans( current_state ); |
+ */ |
+/* %if-c-only */ |
+ static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ register int yy_is_jam; |
+ /* %% [17.0] code to find the next state, and perhaps do backing up, goes here */ |
+ register char *yy_cp = (yy_c_buf_p); |
+ |
+ register YY_CHAR yy_c = 1; |
+ if ( yy_accept[yy_current_state] ) |
+ { |
+ (yy_last_accepting_state) = yy_current_state; |
+ (yy_last_accepting_cpos) = yy_cp; |
+ } |
+ while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) |
+ { |
+ yy_current_state = (int) yy_def[yy_current_state]; |
+ if ( yy_current_state >= 17 ) |
+ 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 == 16); |
+ |
+ return yy_is_jam ? 0 : yy_current_state; |
+} |
+ |
+/* %if-c-only */ |
+ |
+/* %endif */ |
+ |
+/* %if-c-only */ |
+#ifndef YY_NO_INPUT |
+#ifdef __cplusplus |
+ static int yyinput (void) |
+#else |
+ static int input (void) |
+#endif |
+ |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %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); |
+ |
+/* %% [19.0] update BOL and yylineno */ |
+ |
+ return c; |
+} |
+/* %if-c-only */ |
+#endif /* ifndef YY_NO_INPUT */ |
+/* %endif */ |
+ |
+/** 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 . |
+ */ |
+/* %if-c-only */ |
+ void yyrestart (FILE * input_file ) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ |
+ 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. |
+ * |
+ */ |
+/* %if-c-only */ |
+ void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ |
+ /* 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; |
+} |
+ |
+/* %if-c-only */ |
+static void yy_load_buffer_state (void) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ (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. |
+ */ |
+/* %if-c-only */ |
+ YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ 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() |
+ * |
+ */ |
+/* %if-c-only */ |
+ void yy_delete_buffer (YY_BUFFER_STATE b ) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ |
+ 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 ); |
+} |
+ |
+/* %if-c-only */ |
+ |
+#ifndef __cplusplus |
+extern int isatty (int ); |
+#endif /* __cplusplus */ |
+ |
+/* %endif */ |
+ |
+/* %if-c++-only */ |
+/* %endif */ |
+ |
+/* 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. |
+ */ |
+/* %if-c-only */ |
+ static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+ |
+{ |
+ 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; |
+ } |
+ |
+/* %if-c-only */ |
+ |
+ b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; |
+ |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+ 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. |
+ * |
+ */ |
+/* %if-c-only */ |
+ void yy_flush_buffer (YY_BUFFER_STATE b ) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ 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( ); |
+} |
+ |
+/* %if-c-or-c++ */ |
+/** 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. |
+ * |
+ */ |
+/* %if-c-only */ |
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ 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; |
+} |
+/* %endif */ |
+ |
+/* %if-c-or-c++ */ |
+/** Removes and deletes the top of the stack, if present. |
+ * The next element becomes the new top. |
+ * |
+ */ |
+/* %if-c-only */ |
+void yypop_buffer_state (void) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ 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; |
+ } |
+} |
+/* %endif */ |
+ |
+/* %if-c-or-c++ */ |
+/* Allocates the stack if it does not exist. |
+ * Guarantees space for at least one push. |
+ */ |
+/* %if-c-only */ |
+static void yyensure_buffer_stack (void) |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+{ |
+ 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; |
+ } |
+} |
+/* %endif */ |
+ |
+/* %if-c-only */ |
+/** 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; |
+} |
+/* %endif */ |
+ |
+/* %if-c-only */ |
+/** 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) ); |
+} |
+/* %endif */ |
+ |
+/* %if-c-only */ |
+/** 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; |
+} |
+/* %endif */ |
+ |
+#ifndef YY_EXIT_FAILURE |
+#define YY_EXIT_FAILURE 2 |
+#endif |
+ |
+/* %if-c-only */ |
+static void yy_fatal_error (yyconst char* msg ) |
+{ |
+ (void) fprintf( stderr, "%s\n", msg ); |
+ exit( YY_EXIT_FAILURE ); |
+} |
+/* %endif */ |
+/* %if-c++-only */ |
+/* %endif */ |
+ |
+/* 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. */ |
+ |
+/* %if-c-only */ |
+/* %if-reentrant */ |
+/* %endif */ |
+ |
+/** 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; |
+} |
+ |
+/* %if-reentrant */ |
+/* %endif */ |
+ |
+/** 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 ; |
+} |
+ |
+/* %endif */ |
+ |
+/* %if-reentrant */ |
+/* %if-bison-bridge */ |
+/* %endif */ |
+/* %endif if-c-only */ |
+ |
+/* %if-c-only */ |
+static int yy_init_globals (void) |
+{ |
+ /* Initialization is the same as for the non-reentrant scanner. |
+ * This function is called from yylex_destroy(), so don't allocate here. |
+ */ |
+ |
+ (yy_buffer_stack) = 0; |
+ (yy_buffer_stack_top) = 0; |
+ (yy_buffer_stack_max) = 0; |
+ (yy_c_buf_p) = (char *) 0; |
+ (yy_init) = 0; |
+ (yy_start) = 0; |
+ |
+/* Defined in main.c */ |
+#ifdef YY_STDINIT |
+ yyin = stdin; |
+ yyout = stdout; |
+#else |
+ yyin = (FILE *) 0; |
+ yyout = (FILE *) 0; |
+#endif |
+ |
+ /* For future reference: Set errno on error, since we are called by |
+ * yylex_init() |
+ */ |
+ return 0; |
+} |
+/* %endif */ |
+ |
+/* %if-c-only SNIP! this currently causes conflicts with the c++ scanner */ |
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */ |
+int yylex_destroy (void) |
+{ |
+ |
+ /* Pop the buffer stack, destroying each element. */ |
+ while(YY_CURRENT_BUFFER){ |
+ yy_delete_buffer(YY_CURRENT_BUFFER ); |
+ YY_CURRENT_BUFFER_LVALUE = NULL; |
+ yypop_buffer_state(); |
+ } |
+ |
+ /* Destroy the stack itself. */ |
+ yyfree((yy_buffer_stack) ); |
+ (yy_buffer_stack) = NULL; |
+ |
+ /* Reset the globals. This is important in a non-reentrant scanner so the next time |
+ * yylex() is called, initialization will occur. */ |
+ yy_init_globals( ); |
+ |
+/* %if-reentrant */ |
+/* %endif */ |
+ return 0; |
+} |
+/* %endif */ |
+ |
+/* |
+ * 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 */ |
+} |
+ |
+/* %if-tables-serialization definitions */ |
+/* %define-yytables The name for this specific scanner's tables. */ |
+#define YYTABLES_NAME "yytables" |
+/* %endif */ |
+ |
+/* %ok-for-header */ |
+ |
+#line 54 "calc++-scanner.ll" |
+ |
+ |
+ |
+void |
+calcxx_driver::scan_begin () |
+{ |
+ yy_flex_debug = trace_scanning; |
+ if (file == "-") |
+ yyin = stdin; |
+ else if (!(yyin = fopen (file.c_str (), "r"))) |
+ { |
+ error (std::string ("cannot open ") + file); |
+ exit (1); |
+ } |
+} |
+ |
+void |
+calcxx_driver::scan_end () |
+{ |
+ fclose (yyin); |
+} |
+ |
Property changes on: bison\src\bison\2.4.1\bison-2.4.1-src\examples\calc++\calc++-scanner.cc |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |