#line 1 "src/scan-code.c" #line 3 "src/scan-code.c" #define YY_INT_ALIGNED short int /* A lexical scanner generated by flex */ /* %not-for-header */ /* %if-c-only */ /* %if-not-reentrant */ #define yy_create_buffer code__create_buffer #define yy_delete_buffer code__delete_buffer #define yy_scan_buffer code__scan_buffer #define yy_scan_string code__scan_string #define yy_scan_bytes code__scan_bytes #define yy_init_buffer code__init_buffer #define yy_flush_buffer code__flush_buffer #define yy_load_buffer_state code__load_buffer_state #define yy_switch_to_buffer code__switch_to_buffer #define yypush_buffer_state code_push_buffer_state #define yypop_buffer_state code_pop_buffer_state #define yyensure_buffer_stack code_ensure_buffer_stack #define yy_flex_debug code__flex_debug #define yyin code_in #define yyleng code_leng #define yylex code_lex #define yylineno code_lineno #define yyout code_out #define yyrestart code_restart #define yytext code_text #define yywrap code_wrap #define yyalloc code_alloc #define yyrealloc code_realloc #define yyfree code_free /* %endif */ /* %endif */ /* %ok-for-header */ #define FLEX_SCANNER #define YY_FLEX_MAJOR_VERSION 2 #define YY_FLEX_MINOR_VERSION 6 #define YY_FLEX_SUBMINOR_VERSION 4 #if YY_FLEX_SUBMINOR_VERSION > 0 #define FLEX_BETA #endif /* %if-c++-only */ /* %endif */ /* %if-c-only */ #ifdef yy_create_buffer #define code__create_buffer_ALREADY_DEFINED #else #define yy_create_buffer code__create_buffer #endif #ifdef yy_delete_buffer #define code__delete_buffer_ALREADY_DEFINED #else #define yy_delete_buffer code__delete_buffer #endif #ifdef yy_scan_buffer #define code__scan_buffer_ALREADY_DEFINED #else #define yy_scan_buffer code__scan_buffer #endif #ifdef yy_scan_string #define code__scan_string_ALREADY_DEFINED #else #define yy_scan_string code__scan_string #endif #ifdef yy_scan_bytes #define code__scan_bytes_ALREADY_DEFINED #else #define yy_scan_bytes code__scan_bytes #endif #ifdef yy_init_buffer #define code__init_buffer_ALREADY_DEFINED #else #define yy_init_buffer code__init_buffer #endif #ifdef yy_flush_buffer #define code__flush_buffer_ALREADY_DEFINED #else #define yy_flush_buffer code__flush_buffer #endif #ifdef yy_load_buffer_state #define code__load_buffer_state_ALREADY_DEFINED #else #define yy_load_buffer_state code__load_buffer_state #endif #ifdef yy_switch_to_buffer #define code__switch_to_buffer_ALREADY_DEFINED #else #define yy_switch_to_buffer code__switch_to_buffer #endif #ifdef yypush_buffer_state #define code_push_buffer_state_ALREADY_DEFINED #else #define yypush_buffer_state code_push_buffer_state #endif #ifdef yypop_buffer_state #define code_pop_buffer_state_ALREADY_DEFINED #else #define yypop_buffer_state code_pop_buffer_state #endif #ifdef yyensure_buffer_stack #define code_ensure_buffer_stack_ALREADY_DEFINED #else #define yyensure_buffer_stack code_ensure_buffer_stack #endif #ifdef yylex #define code_lex_ALREADY_DEFINED #else #define yylex code_lex #endif #ifdef yyrestart #define code_restart_ALREADY_DEFINED #else #define yyrestart code_restart #endif #ifdef yylex_init #define code_lex_init_ALREADY_DEFINED #else #define yylex_init code_lex_init #endif #ifdef yylex_init_extra #define code_lex_init_extra_ALREADY_DEFINED #else #define yylex_init_extra code_lex_init_extra #endif #ifdef yylex_destroy #define code_lex_destroy_ALREADY_DEFINED #else #define yylex_destroy code_lex_destroy #endif #ifdef yyget_debug #define code_get_debug_ALREADY_DEFINED #else #define yyget_debug code_get_debug #endif #ifdef yyset_debug #define code_set_debug_ALREADY_DEFINED #else #define yyset_debug code_set_debug #endif #ifdef yyget_extra #define code_get_extra_ALREADY_DEFINED #else #define yyget_extra code_get_extra #endif #ifdef yyset_extra #define code_set_extra_ALREADY_DEFINED #else #define yyset_extra code_set_extra #endif #ifdef yyget_in #define code_get_in_ALREADY_DEFINED #else #define yyget_in code_get_in #endif #ifdef yyset_in #define code_set_in_ALREADY_DEFINED #else #define yyset_in code_set_in #endif #ifdef yyget_out #define code_get_out_ALREADY_DEFINED #else #define yyget_out code_get_out #endif #ifdef yyset_out #define code_set_out_ALREADY_DEFINED #else #define yyset_out code_set_out #endif #ifdef yyget_leng #define code_get_leng_ALREADY_DEFINED #else #define yyget_leng code_get_leng #endif #ifdef yyget_text #define code_get_text_ALREADY_DEFINED #else #define yyget_text code_get_text #endif #ifdef yyget_lineno #define code_get_lineno_ALREADY_DEFINED #else #define yyget_lineno code_get_lineno #endif #ifdef yyset_lineno #define code_set_lineno_ALREADY_DEFINED #else #define yyset_lineno code_set_lineno #endif #ifdef yywrap #define code_wrap_ALREADY_DEFINED #else #define yywrap code_wrap #endif /* %endif */ #ifdef yyalloc #define code_alloc_ALREADY_DEFINED #else #define yyalloc code_alloc #endif #ifdef yyrealloc #define code_realloc_ALREADY_DEFINED #else #define yyrealloc code_realloc #endif #ifdef yyfree #define code_free_ALREADY_DEFINED #else #define yyfree code_free #endif /* %if-c-only */ #ifdef yytext #define code_text_ALREADY_DEFINED #else #define yytext code_text #endif #ifdef yyleng #define code_leng_ALREADY_DEFINED #else #define yyleng code_leng #endif #ifdef yyin #define code_in_ALREADY_DEFINED #else #define yyin code_in #endif #ifdef yyout #define code_out_ALREADY_DEFINED #else #define yyout code_out #endif #ifdef yy_flex_debug #define code__flex_debug_ALREADY_DEFINED #else #define yy_flex_debug code__flex_debug #endif #ifdef yylineno #define code_lineno_ALREADY_DEFINED #else #define yylineno code_lineno #endif /* %endif */ /* First, we deal with platform-specific or compiler-specific issues. */ /* begin standard C headers. */ /* %if-c-only */ #include #include #include #include /* %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 . 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 typedef int8_t flex_int8_t; typedef uint8_t flex_uint8_t; typedef int16_t flex_int16_t; typedef uint16_t flex_uint16_t; typedef int32_t flex_int32_t; typedef uint32_t flex_uint32_t; #else typedef signed char flex_int8_t; typedef short int flex_int16_t; typedef int flex_int32_t; typedef unsigned char flex_uint8_t; typedef unsigned short int flex_uint16_t; typedef unsigned int flex_uint32_t; /* Limits of integral types. */ #ifndef INT8_MIN #define INT8_MIN (-128) #endif #ifndef INT16_MIN #define INT16_MIN (-32767-1) #endif #ifndef INT32_MIN #define INT32_MIN (-2147483647-1) #endif #ifndef INT8_MAX #define INT8_MAX (127) #endif #ifndef INT16_MAX #define INT16_MAX (32767) #endif #ifndef INT32_MAX #define INT32_MAX (2147483647) #endif #ifndef UINT8_MAX #define UINT8_MAX (255U) #endif #ifndef UINT16_MAX #define UINT16_MAX (65535U) #endif #ifndef UINT32_MAX #define UINT32_MAX (4294967295U) #endif #ifndef SIZE_MAX #define SIZE_MAX (~(size_t)0) #endif #endif /* ! C99 */ #endif /* ! FLEXINT_H */ /* %endif */ /* begin standard C++ headers. */ /* %if-c++-only */ /* %endif */ /* TODO: this is always defined, so inline it */ #define yyconst const #if defined(__GNUC__) && __GNUC__ >= 3 #define yynoreturn __attribute__((__noreturn__)) #else #define yynoreturn #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 * integer in range [0..255] for use as an array index. */ #define YY_SC_TO_UI(c) ((YY_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 #ifdef __ia64__ /* On IA-64, the buffer size is 16k, not 8k. * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. * Ditto for the __ia64__ case accordingly. */ #define YY_BUF_SIZE 32768 #else #define YY_BUF_SIZE 16384 #endif /* __ia64__ */ #endif /* The state buf must be large enough to hold one state per character in the main buffer. */ #define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) #ifndef YY_TYPEDEF_YY_BUFFER_STATE #define YY_TYPEDEF_YY_BUFFER_STATE typedef struct yy_buffer_state *YY_BUFFER_STATE; #endif #ifndef YY_TYPEDEF_YY_SIZE_T #define YY_TYPEDEF_YY_SIZE_T typedef size_t yy_size_t; #endif /* %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) #define YY_LINENO_REWIND_TO(ptr) /* Return all but the first "n" matched characters back to the input stream. */ #define yyless(n) \ do \ { \ /* Undo effects of setting up yytext. */ \ int yyless_macro_arg = (n); \ YY_LESS_LINENO(yyless_macro_arg);\ *yy_cp = (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_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. */ int yy_buf_size; /* Number of characters read into yy_ch_buf, not including EOB * characters. */ int yy_n_chars; /* Whether we "own" the buffer - i.e., we know we created it, * and can realloc() it to grow it, and should free() it to * delete it. */ int yy_is_our_buffer; /* Whether this is an "interactive" input source; if so, and * if we're using stdio for input, then we want to use getc() * instead of fread(), to make sure we stop fetching input after * each newline. */ int yy_is_interactive; /* Whether we're considered to be at the beginning of a line. * If so, '^' rules will be active on the next match, otherwise * not. */ int yy_at_bol; int yy_bs_lineno; /**< The line count. */ int yy_bs_column; /**< The column count. */ /* Whether to try to fill the input buffer when we reach the * end of it. */ int yy_fill_buffer; int yy_buffer_status; #define YY_BUFFER_NEW 0 #define YY_BUFFER_NORMAL 1 /* When an EOF's been seen but there's still some text to process * then we mark the buffer as YY_EOF_PENDING, to indicate that we * shouldn't try reading from the input source any more. We might * still have a bunch of tokens to match, though, because of * possible backing-up. * * When we actually see the EOF, we change the status to "new" * (via yyrestart()), so that the user can continue scanning by * just pointing yyin at a new input file. */ #define YY_BUFFER_EOF_PENDING 2 }; #endif /* !YY_STRUCT_YY_BUFFER_STATE */ /* %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 = NULL; /**< 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 = NULL; 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 ( const char *yy_str ); YY_BUFFER_STATE yy_scan_bytes ( const 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 code_wrap() (/*CONSTCOND*/1) #define YY_SKIP_YYWRAP #define FLEX_DEBUG typedef flex_uint8_t YY_CHAR; FILE *yyin = NULL, *yyout = NULL; typedef int yy_state_type; extern int yylineno; int yylineno = 1; extern char *yytext; #ifdef yytext_ptr #undef yytext_ptr #endif #define yytext_ptr yytext /* %% [1.5] DFA */ /* %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 yynoreturn yy_fatal_error ( const 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 = (int) (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 18 #define YY_END_OF_BUFFER 19 /* This struct is not used in this scanner, but its presence is necessary. */ struct yy_trans_info { flex_int32_t yy_verify; flex_int32_t yy_nxt; }; static const flex_int16_t yy_accept[82] = { 0, 0, 0, 0, 0, 3, 3, 4, 4, 4, 4, 0, 0, 0, 0, 19, 17, 16, 17, 2, 17, 6, 17, 5, 8, 11, 7, 17, 11, 11, 11, 1, 0, 0, 3, 4, 4, 4, 4, 12, 0, 12, 12, 0, 0, 9, 10, 0, 13, 0, 13, 13, 0, 14, 0, 15, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } ; static const YY_CHAR yy_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 5, 1, 1, 6, 1, 1, 7, 1, 1, 8, 9, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 12, 1, 13, 1, 14, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 15, 16, 17, 1, 9, 1, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 const YY_CHAR yy_meta[19] = { 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1 } ; static const flex_int16_t yy_base[88] = { 0, 0, 13, 101, 100, 0, 3, 4, 5, 6, 7, 27, 0, 20, 21, 104, 182, 182, 26, 182, 8, 182, 41, 182, 182, 53, 182, 62, 74, 33, 98, 182, 37, 44, 86, 182, 46, 85, 48, 182, 88, 0, 87, 87, 87, 182, 182, 50, 182, 83, 0, 82, 79, 182, 103, 182, 52, 50, 68, 71, 73, 78, 81, 0, 119, 64, 50, 130, 84, 0, 0, 140, 155, 43, 16, 79, 12, 0, 0, 54, 2, 182, 173, 175, 2, 177, 0, 179 } ; static const flex_int16_t yy_def[88] = { 0, 82, 82, 2, 2, 2, 2, 2, 2, 2, 2, 2, 11, 11, 11, 81, 81, 81, 81, 81, 81, 81, 83, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 84, 81, 85, 81, 81, 81, 81, 81, 81, 86, 81, 81, 81, 87, 81, 81, 81, 81, 81, 81, 81, 83, 84, 85, 81, 64, 81, 81, 27, 86, 81, 87, 81, 72, 25, 25, 67, 71, 81, 81, 0, 81, 81, 81, 81, 81, 81 } ; static const flex_int16_t yy_nxt[201] = { 0, 81, 70, 19, 63, 17, 19, 53, 21, 21, 33, 34, 23, 23, 17, 17, 20, 17, 17, 20, 22, 22, 22, 22, 81, 29, 29, 17, 17, 72, 17, 24, 25, 26, 30, 30, 31, 27, 53, 56, 57, 28, 32, 36, 37, 54, 33, 34, 59, 37, 61, 62, 68, 69, 56, 57, 80, 38, 39, 53, 31, 40, 41, 64, 42, 43, 32, 80, 44, 45, 33, 34, 46, 59, 37, 59, 37, 76, 47, 48, 61, 62, 49, 50, 81, 51, 68, 69, 71, 52, 65, 81, 76, 51, 51, 66, 67, 38, 42, 42, 65, 60, 58, 55, 81, 65, 73, 18, 18, 81, 81, 74, 81, 81, 81, 81, 73, 81, 81, 81, 81, 73, 65, 81, 81, 81, 81, 66, 81, 81, 81, 81, 75, 81, 81, 81, 81, 65, 77, 77, 81, 77, 81, 81, 81, 81, 81, 39, 78, 78, 81, 78, 81, 81, 81, 81, 81, 48, 73, 81, 81, 81, 81, 74, 81, 81, 81, 81, 79, 81, 81, 81, 81, 73, 16, 16, 35, 35, 64, 64, 72, 72, 15, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81 } ; static const flex_int16_t yy_chk[201] = { 0, 0, 86, 5, 84, 1, 6, 80, 7, 8, 20, 20, 9, 10, 1, 1, 5, 1, 2, 6, 7, 8, 9, 10, 76, 13, 14, 2, 2, 74, 2, 11, 11, 11, 13, 14, 18, 11, 29, 32, 32, 11, 18, 22, 22, 29, 33, 33, 36, 36, 38, 38, 47, 47, 56, 56, 73, 22, 25, 79, 57, 25, 25, 66, 25, 25, 57, 79, 25, 27, 58, 58, 27, 59, 59, 60, 60, 65, 27, 28, 61, 61, 28, 28, 62, 28, 68, 68, 52, 28, 43, 75, 75, 51, 49, 43, 44, 62, 42, 40, 43, 37, 34, 30, 15, 43, 54, 4, 3, 0, 0, 54, 0, 0, 0, 0, 54, 0, 0, 0, 0, 54, 64, 0, 0, 0, 0, 64, 0, 0, 0, 0, 64, 0, 0, 0, 0, 64, 67, 67, 0, 67, 0, 0, 0, 0, 0, 67, 71, 71, 0, 71, 0, 0, 0, 0, 0, 71, 72, 0, 0, 0, 0, 72, 0, 0, 0, 0, 72, 0, 0, 0, 0, 72, 82, 82, 83, 83, 85, 85, 87, 87, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81 } ; 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 const flex_int16_t yy_rule_linenum[18] = { 0, 118, 128, 129, 139, 144, 149, 155, 156, 157, 158, 160, 168, 174, 184, 192, 202, 205 } ; /* 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 "/Users/akim/src/gnu/bison/src/scan-code.l" /* Bison Action Scanner -*- C -*- Copyright (C) 2006-2015, 2018-2021 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #define YY_NO_INPUT 1 #line 24 "/Users/akim/src/gnu/bison/src/scan-code.l" #include #include #include #include "src/complain.h" #include "src/getargs.h" #include "src/muscle-tab.h" #include "src/reader.h" #include "src/scan-code.h" #include "src/symlist.h" #define FLEX_PREFIX(Id) code_ ## Id #include "src/flex-scanner.h" /* Work around a bug in flex 2.5.31. See Debian bug 333231 . */ #undef code_wrap #define code_wrap() 1 struct obstack *obstack_for_actions = &obstack_for_string; /* The current calling start condition: SC_RULE_ACTION or SC_SYMBOL_ACTION. */ # define YY_DECL static char *code_lex (code_props *self, int sc_context) YY_DECL; #define YY_USER_ACTION location_compute (loc, &loc->end, yytext, yyleng); static char *fetch_type_name (char *cp, char const **type_name, const location *dollar_loc); static void handle_action_dollar (symbol_list *rule, char *cp, const location *dollar_loc); static void handle_action_at (symbol_list *rule, char *cp, const location *at_loc); /* A string to be pushed to obstack after dollar/at has been handled. */ static char *ref_tail_fields; static location current_loc; static location *loc = ¤t_loc; /* A string representing the most recent translation. */ static char *last_string; /* True if an untyped $$ or $n was seen. */ static bool untyped_var_seen; #line 921 "src/scan-code.c" #line 74 "/Users/akim/src/gnu/bison/src/scan-code.l" /* C and C++ comments in code. */ /* Strings and characters in code. */ /* Whether in a rule or symbol action. Specifies the translation of $ and @. */ /* POSIX says that a tag must be both an id and a C union member, but historically almost any character is allowed in a tag. We disallow NUL and newline, as this simplifies our implementation. We allow "->" as a means to dereference a pointer. */ /* Zero or more instances of backslash-newline. Following GCC, allow white space between the backslash and the newline. */ /* C style identifier. Must start with letter. Will be used for named symbol references. Shall be kept synchronized with scan-gram.l "letter" and "id". */ #line 939 "src/scan-code.c" #define INITIAL 0 #define SC_COMMENT 1 #define SC_LINE_COMMENT 2 #define SC_STRING 3 #define SC_CHARACTER 4 #define SC_RULE_ACTION 5 #define SC_SYMBOL_ACTION 6 #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 /* %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 */ #ifndef YY_NO_UNPUT #endif /* %ok-for-header */ /* %endif */ #ifndef yytext_ptr static void yy_flex_strncpy ( char *, const char *, int ); #endif #ifdef YY_NEED_STRLEN static int yy_flex_strlen ( const 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 #ifdef __ia64__ /* On IA-64, the buffer size is 16k, not 8k */ #define YY_READ_BUF_SIZE 16384 #else #define YY_READ_BUF_SIZE 8192 #endif /* __ia64__ */ #endif /* Copy whatever the last rule matched to the standard output. */ #ifndef ECHO /* %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 do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0) /* %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 = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \ { \ if( errno != EINTR) \ { \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ break; \ } \ errno=0; \ clearerr(yyin); \ } \ }\ \ /* %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 /*LINTED*/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 { yy_state_type yy_current_state; char *yy_cp, *yy_bp; int yy_act; 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( ); } { /* %% [7.0] user's declarations go here */ #line 100 "/Users/akim/src/gnu/bison/src/scan-code.l" /* This scanner is special: it is invoked only once, henceforth is expected to return only once. This initialization is therefore done once per action to translate. */ aver (sc_context == SC_SYMBOL_ACTION || sc_context == SC_RULE_ACTION || sc_context == INITIAL); BEGIN sc_context; /*------------------------------------------------------------. | Scanning a C comment. The initial '/ *' is already eaten. | `------------------------------------------------------------*/ #line 1240 "src/scan-code.c" while ( /*CONSTCOND*/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 { 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 >= 82 ) yy_c = yy_meta[yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; ++yy_cp; } while ( yy_current_state != 81 ); 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 < 18 ) fprintf( stderr, "--accepting rule at line %ld (\"%s\")\n", (long)yy_rule_linenum[yy_act], yytext ); else if ( yy_act == 18 ) fprintf( stderr, "--accepting default rule (\"%s\")\n", yytext ); else if ( yy_act == 19 ) 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: /* rule 1 can match eol */ YY_RULE_SETUP #line 118 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); BEGIN sc_context; YY_BREAK /*--------------------------------------------------------------. | Scanning a line comment. The initial '//' is already eaten. | `--------------------------------------------------------------*/ case 2: /* rule 2 can match eol */ YY_RULE_SETUP #line 128 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); BEGIN sc_context; YY_BREAK case 3: /* rule 3 can match eol */ YY_RULE_SETUP #line 129 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); YY_BREAK /*--------------------------------------------. | Scanning user-code characters and strings. | `--------------------------------------------*/ case 4: /* rule 4 can match eol */ YY_RULE_SETUP #line 139 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); YY_BREAK case 5: YY_RULE_SETUP #line 144 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); BEGIN sc_context; YY_BREAK case 6: YY_RULE_SETUP #line 149 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); BEGIN sc_context; YY_BREAK case 7: YY_RULE_SETUP #line 155 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); BEGIN SC_CHARACTER; YY_BREAK case 8: YY_RULE_SETUP #line 156 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); BEGIN SC_STRING; YY_BREAK case 9: /* rule 9 can match eol */ YY_RULE_SETUP #line 157 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); BEGIN SC_COMMENT; YY_BREAK case 10: /* rule 10 can match eol */ YY_RULE_SETUP #line 158 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); BEGIN SC_LINE_COMMENT; YY_BREAK case 11: YY_RULE_SETUP #line 160 "/Users/akim/src/gnu/bison/src/scan-code.l" { complain (loc, Wother, _("stray '%s'"), yytext); obstack_escape (&obstack_for_string, yytext); } YY_BREAK case 12: /* rule 12 can match eol */ YY_RULE_SETUP #line 168 "/Users/akim/src/gnu/bison/src/scan-code.l" { ref_tail_fields = NULL; handle_action_dollar (self->rule, yytext, loc); if (ref_tail_fields) obstack_sgrow (&obstack_for_string, ref_tail_fields); } YY_BREAK case 13: YY_RULE_SETUP #line 174 "/Users/akim/src/gnu/bison/src/scan-code.l" { ref_tail_fields = NULL; handle_action_at (self->rule, yytext, loc); if (ref_tail_fields) obstack_sgrow (&obstack_for_string, ref_tail_fields); } YY_BREAK case 14: /* rule 14 can match eol */ YY_RULE_SETUP #line 184 "/Users/akim/src/gnu/bison/src/scan-code.l" { const char *type_name = NULL; fetch_type_name (yytext + 1, &type_name, loc)[-1] = 0; obstack_sgrow (&obstack_for_string, "]b4_dollar_dollar("); obstack_quote (&obstack_for_string, type_name); obstack_sgrow (&obstack_for_string, ")["); self->is_value_used = true; } YY_BREAK case 15: YY_RULE_SETUP #line 192 "/Users/akim/src/gnu/bison/src/scan-code.l" { obstack_sgrow (&obstack_for_string, "]b4_at_dollar["); muscle_percent_define_ensure("locations", *loc, true); } YY_BREAK /* Escape M4 quoting characters in C code. */ case 16: YY_RULE_SETUP #line 202 "/Users/akim/src/gnu/bison/src/scan-code.l" obstack_escape (&obstack_for_string, yytext); YY_BREAK /* By default, grow the string obstack with the input. */ case 17: /* rule 17 can match eol */ YY_RULE_SETUP #line 205 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_GROW (); YY_BREAK /* End of processing. */ case YY_STATE_EOF(INITIAL): case YY_STATE_EOF(SC_COMMENT): case YY_STATE_EOF(SC_LINE_COMMENT): case YY_STATE_EOF(SC_STRING): case YY_STATE_EOF(SC_CHARACTER): case YY_STATE_EOF(SC_RULE_ACTION): case YY_STATE_EOF(SC_SYMBOL_ACTION): #line 208 "/Users/akim/src/gnu/bison/src/scan-code.l" STRING_FINISH (); return last_string; YY_BREAK case 18: YY_RULE_SETUP #line 211 "/Users/akim/src/gnu/bison/src/scan-code.l" YY_FATAL_ERROR( "flex scanner jammed" ); YY_BREAK #line 1482 "src/scan-code.c" 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; /* %if-c-only */ YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; /* %endif */ /* %if-c++-only */ /* %endif */ 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 user's declarations */ } /* 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 */ { char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; char *source = (yytext_ptr); 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_LVALUE; 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, (yy_size_t) (b->yy_buf_size + 2) ); } else /* Can't grow it, we don't own it. */ b->yy_ch_buf = NULL; if ( ! b->yy_ch_buf ) YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); (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), 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_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { /* Extend the array by 50%, plus the number we really need. */ int new_size = (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, (yy_size_t) new_size ); if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); /* "- 2" to take care of EOB's */ YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2); } (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 */ { yy_state_type yy_current_state; 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 */ YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 18); 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 >= 82 ) yy_c = yy_meta[yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + 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 */ { int yy_is_jam; /* %% [17.0] code to find the next state, and perhaps do backing up, goes here */ char *yy_cp = (yy_c_buf_p); YY_CHAR yy_c = 18; 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 >= 82 ) yy_c = yy_meta[yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; yy_is_jam = (yy_current_state == 81); return yy_is_jam ? 0 : yy_current_state; } #ifndef YY_NO_UNPUT /* %if-c-only */ /* %endif */ #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 = (int) ((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 0; 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( ); } /* %if-c++-only */ /* %endif */ /** 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; /* %if-c-only */ yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; /* %endif */ /* %if-c++-only */ /* %endif */ (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( (yy_size_t) (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; } /* %if-c++-only */ /* %endif */ /** 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 ); } /* 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 ); /* %if-c-only */ b->yy_input_file = file; /* %endif */ /* %if-c++-only */ /* %endif */ 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 = 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 */ { yy_size_t 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; /* After all that talk, this was set to 1 anyways... */ (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. */ yy_size_t 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 NULL; 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 = (int) (size - 2); /* "- 2" to take care of EOB's */ b->yy_buf_pos = b->yy_ch_buf = base; b->yy_is_our_buffer = 0; b->yy_input_file = NULL; b->yy_n_chars = b->yy_buf_size; b->yy_is_interactive = 0; b->yy_at_bol = 1; b->yy_fill_buffer = 0; b->yy_buffer_status = YY_BUFFER_NEW; yy_switch_to_buffer( b ); 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 (const char * yystr ) { return yy_scan_bytes( yystr, (int) 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 yybytes the byte buffer to scan * @param _yybytes_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 (const 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 = (yy_size_t) (_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 yynoreturn yy_fatal_error (const char* msg ) { 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 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) = NULL; (yy_buffer_stack_top) = 0; (yy_buffer_stack_max) = 0; (yy_c_buf_p) = NULL; (yy_init) = 0; (yy_start) = 0; /* Defined in main.c */ #ifdef YY_STDINIT yyin = stdin; yyout = stdout; #else yyin = NULL; yyout = NULL; #endif /* For future reference: Set errno on error, since we are called by * yylex_init() */ return 0; } /* %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, const char * s2, int n ) { int i; for ( i = 0; i < n; ++i ) s1[i] = s2[i]; } #endif #ifdef YY_NEED_STRLEN static int yy_flex_strlen (const char * s ) { int n; for ( n = 0; s[n]; ++n ) ; return n; } #endif void *yyalloc (yy_size_t size ) { return 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 realloc(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 211 "/Users/akim/src/gnu/bison/src/scan-code.l" static inline bool is_dot_or_dash (char ch) { return ch == '.' || ch == '-'; } static inline bool contains_dot_or_dash (const char* p) { return !!strpbrk (p, ".-"); } /* Defines a variant of a symbolic name resolution. */ typedef struct { /* Index in symbol list. */ int symbol_index; /* Matched symbol id and loc. */ uniqstr id; location loc; /* Hiding named reference. */ named_ref* hidden_by; /* Error flags. May contain zero (no errors) or a combination of VARIANT_* values. */ unsigned err; } variant; /* Set when the variant refers to a symbol hidden by an explicit symbol reference. */ #define VARIANT_HIDDEN (1 << 0) /* Set when the variant refers to a symbol containing dots or dashes. Will require explicit bracketing. */ #define VARIANT_BAD_BRACKETING (1 << 1) /* Set when the variant refers to a symbol which is not visible from current midrule. */ #define VARIANT_NOT_VISIBLE_FROM_MIDRULE (1 << 2) static variant *variant_table = NULL; static int variant_table_size = 0; static int variant_count = 0; static variant * variant_table_grow (void) { ++variant_count; if (variant_count > variant_table_size) { while (variant_count > variant_table_size) variant_table_size = 2 * variant_table_size + 3; variant_table = xnrealloc (variant_table, variant_table_size, sizeof *variant_table); } return &variant_table[variant_count - 1]; } static void variant_table_free (void) { free (variant_table); variant_table = NULL; variant_table_size = variant_count = 0; } static char const * find_prefix_end (char const *prefix, char const *cp, char const *end) { for (; *prefix && cp != end; ++prefix, ++cp) if (*prefix != *cp) return NULL; return *prefix ? NULL : cp; } static variant * variant_add (uniqstr id, location id_loc, int symbol_index, char const *cp, char const *cp_end, bool explicit_bracketing) { char const *prefix_end = find_prefix_end (id, cp, cp_end); if (prefix_end && (prefix_end == cp_end || (!explicit_bracketing && is_dot_or_dash (*prefix_end)))) { variant *r = variant_table_grow (); r->symbol_index = symbol_index; r->id = id; r->loc = id_loc; r->hidden_by = NULL; r->err = 0; return r; } else return NULL; } static const char * get_at_spec(int symbol_index) { static char at_buf[20]; if (symbol_index == 0) strcpy (at_buf, "$$"); else snprintf (at_buf, sizeof at_buf, "$%u", symbol_index); return at_buf; } static void show_sub_message (warnings warning, const char* cp, bool explicit_bracketing, int midrule_rhs_index, char dollar_or_at, const variant *var) { const char *at_spec = get_at_spec (var->symbol_index); if (var->err == 0) subcomplain (&var->loc, warning, _("refers to: %c%s at %s"), dollar_or_at, var->id, at_spec); else { const char *id; location id_loc; if (var->hidden_by) { id = var->hidden_by->id; id_loc = var->hidden_by->loc; } else { id = var->id; id_loc = var->loc; } const char *tail = explicit_bracketing ? "" : cp + strlen (var->id); /* Create the explanation message. */ static struct obstack msg_buf; obstack_init (&msg_buf); obstack_printf (&msg_buf, _("possibly meant: %c"), dollar_or_at); if (contains_dot_or_dash (id)) obstack_printf (&msg_buf, "[%s]", id); else obstack_sgrow (&msg_buf, id); obstack_sgrow (&msg_buf, tail); if (var->err & VARIANT_HIDDEN) { obstack_printf (&msg_buf, _(", hiding %c"), dollar_or_at); if (contains_dot_or_dash (var->id)) obstack_printf (&msg_buf, "[%s]", var->id); else obstack_sgrow (&msg_buf, var->id); obstack_sgrow (&msg_buf, tail); } obstack_printf (&msg_buf, _(" at %s"), at_spec); if (var->err & VARIANT_NOT_VISIBLE_FROM_MIDRULE) obstack_printf (&msg_buf, _(", cannot be accessed from midrule action at $%d"), midrule_rhs_index); subcomplain (&id_loc, warning, "%s", obstack_finish0 (&msg_buf)); obstack_free (&msg_buf, 0); } } static void show_sub_messages (warnings warning, const char* cp, bool explicit_bracketing, int midrule_rhs_index, char dollar_or_at) { for (int i = 0; i < variant_count; ++i) show_sub_message (warning | silent, cp, explicit_bracketing, midrule_rhs_index, dollar_or_at, &variant_table[i]); } /* Returned from "parse_ref" when the reference is inappropriate. */ #define INVALID_REF (INT_MIN) /* Returned from "parse_ref" when the reference points to LHS ($$) of the current rule or midrule. */ #define LHS_REF (INT_MIN + 1) /* Parse a positional reference in RULE. */ static long parse_positional_ref (char *cp, int rule_length, char *text, const location *text_loc) { long num = strtol (cp, &cp, 10); if (1 - INT_MAX + rule_length <= num && num <= rule_length) return num; else { complain (text_loc, complaint, _("integer out of range: %s"), quote (text)); return INVALID_REF; } } /* Parse named or positional reference. In case of positional references, can return negative values for $-n "deep" stack accesses. */ static long parse_ref (char *cp, symbol_list *rule, int rule_length, int midrule_rhs_index, char *text, const location *text_loc, char dollar_or_at) { if ('$' == *cp) return LHS_REF; if (c_isdigit (*cp) || (*cp == '-' && c_isdigit (cp[1]))) return parse_positional_ref (cp, rule_length, text, text_loc); bool const explicit_bracketing = *cp == '['; if (explicit_bracketing) ++cp; else ref_tail_fields = strpbrk (cp, ".-"); char const *cp_end = strchr (cp, explicit_bracketing ? ']' : '\0'); /* Add all relevant variants. */ { int symbol_index; symbol_list *l; variant_count = 0; for (symbol_index = 0, l = rule; !symbol_list_null (l); ++symbol_index, l = l->next) { if (l->content_type != SYMLIST_SYMBOL) continue; variant *var = variant_add (l->content.sym->tag, l->sym_loc, symbol_index, cp, cp_end, explicit_bracketing); if (var && l->named_ref) var->hidden_by = l->named_ref; if (l->named_ref) variant_add (l->named_ref->id, l->named_ref->loc, symbol_index, cp, cp_end, explicit_bracketing); } } /* Check errors. */ int valid_variants = 0; int valid_variant_index = 0; for (int i = 0; i < variant_count; ++i) { variant *var = &variant_table[i]; int symbol_index = var->symbol_index; /* Check visibility from midrule actions. */ if (midrule_rhs_index != 0 && (symbol_index == 0 || midrule_rhs_index < symbol_index)) var->err |= VARIANT_NOT_VISIBLE_FROM_MIDRULE; /* Check correct bracketing. */ if (!explicit_bracketing && contains_dot_or_dash (var->id)) var->err |= VARIANT_BAD_BRACKETING; /* Check using of hidden symbols. */ if (var->hidden_by) var->err |= VARIANT_HIDDEN; if (!var->err) { valid_variant_index = i; ++valid_variants; } } switch (valid_variants) { case 0: { int len = (explicit_bracketing || !ref_tail_fields) ? cp_end - cp : ref_tail_fields - cp; complain (text_loc, complaint, _("invalid reference: %s"), quote (text)); if (len == 0) { location sym_loc = *text_loc; sym_loc.start.column += 1; sym_loc.end = sym_loc.start; subcomplain (&sym_loc, complaint, _("syntax error after '%c', expecting integer, " "letter, '_', '[', or '$'"), dollar_or_at); } else if (midrule_rhs_index) subcomplain (&rule->rhs_loc, complaint, _("symbol not found in production before $%d: " "%.*s"), midrule_rhs_index, len, cp); else subcomplain (&rule->rhs_loc, complaint, _("symbol not found in production: %.*s"), len, cp); if (variant_count > 0) show_sub_messages (complaint, cp, explicit_bracketing, midrule_rhs_index, dollar_or_at); return INVALID_REF; } case 1: { if (variant_count > 1) { complain (text_loc, Wother, _("misleading reference: %s"), quote (text)); show_sub_messages (Wother, cp, explicit_bracketing, midrule_rhs_index, dollar_or_at); } { int symbol_index = variant_table[valid_variant_index].symbol_index; return (symbol_index == midrule_rhs_index) ? LHS_REF : symbol_index; } } case 2: default: { complain (text_loc, complaint, _("ambiguous reference: %s"), quote (text)); show_sub_messages (complaint, cp, explicit_bracketing, midrule_rhs_index, dollar_or_at); return INVALID_REF; } } } /* Keeps track of the maximum number of semantic values to the left of a handle (those referenced by $0, $-1, etc.) are required by the semantic actions of this grammar. */ int max_left_semantic_context = 0; /* If CP points to a typename (i.e., <.*?>), set TYPE_NAME to its beginning (i.e., after the opening "<", and return the pointer immediately after it. */ static char * fetch_type_name (char *cp, char const **type_name, const location *dollar_loc) { if (*cp == '<') { *type_name = ++cp; /* Series of non-'>' or "->". */ while (*cp != '>' || cp[-1] == '-') ++cp; /* The '>' symbol will be later replaced by '\0'. Original 'text' is needed for error messages. */ ++cp; if (untyped_var_seen) complain (dollar_loc, complaint, _("explicit type given in untyped grammar")); tag_seen = true; } return cp; } /*------------------------------------------------------------------. | TEXT is pointing to a wannabee semantic value (i.e., a '$'). | | | | Possible inputs: $[]($|INTEGER) | | | | Output to OBSTACK_FOR_STRING a reference to this semantic value. | `------------------------------------------------------------------*/ static void handle_action_dollar (symbol_list *rule, char *text, const location *dollar_loc) { symbol_list *effective_rule; int effective_rule_length; if (rule->midrule_parent_rule) { effective_rule = rule->midrule_parent_rule; effective_rule_length = rule->midrule_parent_rhs_index - 1; } else { effective_rule = rule; effective_rule_length = symbol_list_length (rule->next); } /* The type name if explicit, otherwise left null. */ char const *type_name = NULL; char *cp = fetch_type_name (text + 1, &type_name, dollar_loc); int n = parse_ref (cp, effective_rule, effective_rule_length, rule->midrule_parent_rhs_index, text, dollar_loc, '$'); /* End type_name. Don't do it earlier: parse_ref depends on TEXT. */ if (type_name) cp[-1] = '\0'; switch (n) { case INVALID_REF: break; case LHS_REF: { symbol_list *sym = symbol_list_n_get (rule, 0); if (!type_name && !sym->content.sym->content->type_name) { if (union_seen || tag_seen) { if (rule->midrule_parent_rule) complain (dollar_loc, complaint, _("$$ for the midrule at $%d of %s" " has no declared type"), rule->midrule_parent_rhs_index, quote (effective_rule->content.sym->tag)); else complain (dollar_loc, complaint, _("$$ of %s has no declared type"), quote (rule->content.sym->tag)); } else untyped_var_seen = true; } obstack_printf (&obstack_for_string, "]b4_lhs_value(orig %d, ", sym->content.sym->content->number); obstack_quote (&obstack_for_string, type_name); obstack_sgrow (&obstack_for_string, ")["); rule->action_props.is_value_used = true; } break; /* Reference to a RHS symbol. */ default: { if (max_left_semantic_context < 1 - n) max_left_semantic_context = 1 - n; symbol_list *sym = 0 < n ? symbol_list_n_get (effective_rule, n) : NULL; if (!type_name && (!sym || !sym->content.sym->content->type_name)) { if (union_seen || tag_seen) complain (dollar_loc, complaint, _("$%s of %s has no declared type"), cp, quote (effective_rule->content.sym->tag)); else untyped_var_seen = true; } obstack_printf (&obstack_for_string, "]b4_rhs_value(%d, %d, ", effective_rule_length, n); if (sym) obstack_printf (&obstack_for_string, "%s%d, ", sym->content.sym->content->class == nterm_sym ? "orig " : "", sym->content.sym->content->number); else obstack_sgrow (&obstack_for_string, "[], "); obstack_quote (&obstack_for_string, type_name); obstack_sgrow (&obstack_for_string, ")["); if (0 < n) { if (muscle_percent_define_ifdef ("api.value.automove") && sym->action_props.is_value_used) complain (dollar_loc, Wother, _("multiple occurrences of $%d with api.value.automove"), n); sym->action_props.is_value_used = true; } } break; } } /*------------------------------------------------------. | TEXT is a location token (i.e., a '@...'). Output to | | OBSTACK_FOR_STRING a reference to this location. | `------------------------------------------------------*/ static void handle_action_at (symbol_list *rule, char *text, const location *at_loc) { symbol_list *effective_rule; int effective_rule_length; if (rule->midrule_parent_rule) { effective_rule = rule->midrule_parent_rule; effective_rule_length = rule->midrule_parent_rhs_index - 1; } else { effective_rule = rule; effective_rule_length = symbol_list_length (rule->next); } muscle_percent_define_ensure ("locations", *at_loc, true); int n = parse_ref (text + 1, effective_rule, effective_rule_length, rule->midrule_parent_rhs_index, text, at_loc, '@'); switch (n) { case INVALID_REF: break; case LHS_REF: obstack_sgrow (&obstack_for_string, "]b4_lhs_location["); break; default: obstack_printf (&obstack_for_string, "]b4_rhs_location(%d, %d)[", effective_rule_length, n); break; } } /*-------------------------. | Initialize the scanner. | `-------------------------*/ /* Translate the '$...' and '@...' in \a self, in the context \a sc_context (SC_RULE_ACTION, SC_SYMBOL_ACTION, INITIAL). */ static char const * translate_action (code_props *self, int sc_context) { loc->start = loc->end = self->location.start; yy_switch_to_buffer (yy_scan_string (self->code)); char *res = code_lex (self, sc_context); yy_delete_buffer (YY_CURRENT_BUFFER); return res; } /*------------------------------------------------------------------------. | Implementation of the public interface as documented in "scan-code.h". | `------------------------------------------------------------------------*/ void code_props_none_init (code_props *self) { *self = code_props_none; } code_props code_props_none = CODE_PROPS_NONE_INIT; void code_props_plain_init (code_props *self, char const *code, location code_loc) { code_props_none_init (self); self->kind = CODE_PROPS_PLAIN; self->code = code; self->location = code_loc; } void code_props_symbol_action_init (code_props *self, char const *code, location code_loc) { code_props_none_init (self); self->kind = CODE_PROPS_SYMBOL_ACTION; self->code = code; self->location = code_loc; } void code_props_rule_action_init (code_props *self, char const *code, location code_loc, symbol_list *rule, named_ref *name, uniqstr type, bool is_predicate) { code_props_none_init (self); self->kind = CODE_PROPS_RULE_ACTION; self->code = code; self->location = code_loc; self->rule = rule; self->named_ref = name; self->type = type; self->is_predicate = is_predicate; } void code_props_translate_code (code_props *self) { switch (self->kind) { case CODE_PROPS_NONE: break; case CODE_PROPS_PLAIN: self->code = translate_action (self, INITIAL); break; case CODE_PROPS_SYMBOL_ACTION: self->code = translate_action (self, SC_SYMBOL_ACTION); break; case CODE_PROPS_RULE_ACTION: self->code = translate_action (self, SC_RULE_ACTION); break; } } void code_scanner_last_string_free (void) { STRING_FREE (); } void code_scanner_init (void) { obstack_init (&obstack_for_string); yy_flex_debug = 0; } void code_scanner_free (void) { obstack_free (&obstack_for_string, 0); variant_table_free (); /* Reclaim Flex's buffers. */ yylex_destroy (); }