%# -*-C-*- vi: set ft=c: %# This file is processed in several stages. %# Here are the stages, as best as I can describe: %# %# 1. flex.skl is processed through GNU m4 during the %# pre-compilation stage of flex. Only macros starting %# with `m4preproc_' are processed, and quoting is normal. %# %# 2. The preprocessed skeleton is translated into a C array, saved %# as "skel.c" and compiled into the flex binary. The %# comment %# lines are removed. %# %# 3. At runtime, the skeleton is generated and filtered (again) %# through m4. Macros beginning with `m4_' will be processed. %# The quoting is "[[" and "]]" so we don't interfere with %# user code. %# %# All generate macros for the m4 stage contain the text "m4" or "M4" %# in them. This is to distinguish them from CPP macros. %# The exception to this rule is YY_G, which is an m4 macro, %# but it needs to be remain short because it is used everywhere. %# /* A lexical scanner generated by flex */ %# Macros for preproc stage. m4preproc_changecom %# Macros for runtime processing stage. m4_changecom m4_changequote m4_changequote([[, ]]) %# %# Lines in this skeleton starting with a "%" character are "control lines" %# and affect the generation of the scanner. The possible control codes are %# listed and processed in misc.c. %# %# %# - A comment. The current line is omitted from the generated scanner. %# %if-c++-only - The following lines are printed for C++ scanners ONLY. %# %if-c-only - The following lines are NOT printed for C++ scanners. %# %if-c-or-c++ - The following lines are printed in BOTH C and C++ scanners. %# %if-reentrant - Print for reentrant scanners.(push) %# %if-not-reentrant - Print for non-reentrant scanners. (push) %# %if-bison-bridge - Print for bison-bridge. (push) %# %if-not-bison-bridge - Print for non-bison-bridge. (push) %# %endif - pop from the previous if code. %# %% - A stop-point, where code is inserted by flex. %# Each stop-point is numbered here and also in the code generator. %# (See gen.c, etc. for details.) %# %not-for-header - Begin code that should NOT appear in a ".h" file. %# %ok-for-header - %c and %e are used for building a header file. %# %if-tables-serialization %# %# All control-lines EXCEPT comment lines ("%#") will be inserted into %# the generated scanner as a C-style comment. This is to aid those who %# edit the skeleton. %# %not-for-header %if-c-only %if-not-reentrant m4_ifelse(M4_YY_PREFIX,yy,, #define yy_create_buffer M4_YY_PREFIX[[_create_buffer]] #define yy_delete_buffer M4_YY_PREFIX[[_delete_buffer]] #define yy_scan_buffer M4_YY_PREFIX[[_scan_buffer]] #define yy_scan_string M4_YY_PREFIX[[_scan_string]] #define yy_scan_bytes M4_YY_PREFIX[[_scan_bytes]] #define yy_init_buffer M4_YY_PREFIX[[_init_buffer]] #define yy_flush_buffer M4_YY_PREFIX[[_flush_buffer]] #define yy_load_buffer_state M4_YY_PREFIX[[_load_buffer_state]] #define yy_switch_to_buffer M4_YY_PREFIX[[_switch_to_buffer]] #define yypush_buffer_state M4_YY_PREFIX[[push_buffer_state]] #define yypop_buffer_state M4_YY_PREFIX[[pop_buffer_state]] #define yyensure_buffer_stack M4_YY_PREFIX[[ensure_buffer_stack]] #define yy_flex_debug M4_YY_PREFIX[[_flex_debug]] #define yyin M4_YY_PREFIX[[in]] #define yyleng M4_YY_PREFIX[[leng]] #define yylex M4_YY_PREFIX[[lex]] #define yylineno M4_YY_PREFIX[[lineno]] #define yyout M4_YY_PREFIX[[out]] #define yyrestart M4_YY_PREFIX[[restart]] #define yytext M4_YY_PREFIX[[text]] #define yywrap M4_YY_PREFIX[[wrap]] #define yyalloc M4_YY_PREFIX[[alloc]] #define yyrealloc M4_YY_PREFIX[[realloc]] #define yyfree M4_YY_PREFIX[[free]] ) %endif %endif %ok-for-header #define FLEX_SCANNER #define YY_FLEX_MAJOR_VERSION FLEX_MAJOR_VERSION #define YY_FLEX_MINOR_VERSION FLEX_MINOR_VERSION #define YY_FLEX_SUBMINOR_VERSION FLEX_SUBMINOR_VERSION #if YY_FLEX_SUBMINOR_VERSION > 0 #define FLEX_BETA #endif %# Some negated symbols m4_ifdef( [[M4_YY_IN_HEADER]], , [[m4_define([[M4_YY_NOT_IN_HEADER]], [[]])]]) m4_ifdef( [[M4_YY_REENTRANT]], , [[m4_define([[M4_YY_NOT_REENTRANT]], [[]])]]) %# This is the m4 way to say "(stack_used || is_reentrant) m4_ifdef( [[M4_YY_STACK_USED]], [[m4_define([[M4_YY_HAS_START_STACK_VARS]])]]) m4_ifdef( [[M4_YY_REENTRANT]], [[m4_define([[M4_YY_HAS_START_STACK_VARS]])]]) %# Prefixes. %# The complexity here is necessary so that m4 preserves %# the argument lists to each C function. m4_ifdef( [[M4_YY_PREFIX]],, [[m4_define([[M4_YY_PREFIX]], [[yy]])]]) m4preproc_define(`M4_GEN_PREFIX',`` [[#ifdef yy$1 #define ]]M4_YY_PREFIX[[$1_ALREADY_DEFINED #else #define yy$1 ]]M4_YY_PREFIX[[$1 #endif]] 'm4preproc_divert(1)` [[#ifndef ]]M4_YY_PREFIX[[$1_ALREADY_DEFINED #undef yy$1 #endif]]'m4preproc_divert(0)') %if-c++-only /* The c++ scanner is a mess. The FlexLexer.h header file relies on the * following macro. This is required in order to pass the c++-multiple-scanners * test in the regression suite. We get reports that it breaks inheritance. * We will address this in a future release of flex, or omit the C++ scanner * altogether. */ #define yyFlexLexer M4_YY_PREFIX[[FlexLexer]] %endif %if-c-only m4_ifelse(M4_YY_PREFIX,yy,, M4_GEN_PREFIX(`_create_buffer') M4_GEN_PREFIX(`_delete_buffer') M4_GEN_PREFIX(`_scan_buffer') M4_GEN_PREFIX(`_scan_string') M4_GEN_PREFIX(`_scan_bytes') M4_GEN_PREFIX(`_init_buffer') M4_GEN_PREFIX(`_flush_buffer') M4_GEN_PREFIX(`_load_buffer_state') M4_GEN_PREFIX(`_switch_to_buffer') M4_GEN_PREFIX(`push_buffer_state') M4_GEN_PREFIX(`pop_buffer_state') M4_GEN_PREFIX(`ensure_buffer_stack') M4_GEN_PREFIX(`lex') M4_GEN_PREFIX(`restart') M4_GEN_PREFIX(`lex_init') M4_GEN_PREFIX(`lex_init_extra') M4_GEN_PREFIX(`lex_destroy') M4_GEN_PREFIX(`get_debug') M4_GEN_PREFIX(`set_debug') M4_GEN_PREFIX(`get_extra') M4_GEN_PREFIX(`set_extra') M4_GEN_PREFIX(`get_in') M4_GEN_PREFIX(`set_in') M4_GEN_PREFIX(`get_out') M4_GEN_PREFIX(`set_out') M4_GEN_PREFIX(`get_leng') M4_GEN_PREFIX(`get_text') M4_GEN_PREFIX(`get_lineno') M4_GEN_PREFIX(`set_lineno') m4_ifdef( [[M4_YY_REENTRANT]], [[ M4_GEN_PREFIX(`get_column') M4_GEN_PREFIX(`set_column') ]]) M4_GEN_PREFIX(`wrap') ) %endif m4_ifdef( [[M4_YY_BISON_LVAL]], [[ M4_GEN_PREFIX(`get_lval') M4_GEN_PREFIX(`set_lval') ]]) m4_ifdef( [[]], [[ M4_GEN_PREFIX(`get_lloc') M4_GEN_PREFIX(`set_lloc') ]]) m4_ifelse(M4_YY_PREFIX,yy,, M4_GEN_PREFIX(`alloc') M4_GEN_PREFIX(`realloc') M4_GEN_PREFIX(`free') ) %if-c-only m4_ifelse(M4_YY_PREFIX,yy,, m4_ifdef( [[M4_YY_NOT_REENTRANT]], [[ M4_GEN_PREFIX(`text') M4_GEN_PREFIX(`leng') M4_GEN_PREFIX(`in') M4_GEN_PREFIX(`out') M4_GEN_PREFIX(`_flex_debug') M4_GEN_PREFIX(`lineno') ]]) ) %endif m4_ifdef( [[M4_YY_TABLES_EXTERNAL]], [[ M4_GEN_PREFIX(`tables_fload') M4_GEN_PREFIX(`tables_destroy') M4_GEN_PREFIX(`TABLES_NAME') ]]) /* 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 #include #include %endif /* end standard C headers. */ %if-c-or-c++ m4preproc_include(`flexint.h') %endif /* begin standard C++ headers. */ %if-c++-only #include #include #include #include #include /* end standard C++ headers. */ %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 /* An opaque pointer. */ #ifndef YY_TYPEDEF_YY_SCANNER_T #define YY_TYPEDEF_YY_SCANNER_T typedef void* yyscan_t; #endif %# Declare yyguts variable m4_define( [[M4_YY_DECL_GUTS_VAR]], [[struct yyguts_t * yyg = (struct yyguts_t*)yyscanner]]) %# Perform a noop access on yyguts to prevent unused variable complains m4_define( [[M4_YY_NOOP_GUTS_VAR]], [[(void)yyg]]) %# For use wherever a Global is accessed or assigned. m4_define( [[YY_G]], [[yyg->$1]]) %# For use in function prototypes to append the additional argument. m4_define( [[M4_YY_PROTO_LAST_ARG]], [[, yyscan_t yyscanner]]) m4_define( [[M4_YY_PROTO_ONLY_ARG]], [[yyscan_t yyscanner]]) m4_define( [[M4_YY_DEF_LAST_ARG]], [[, yyscan_t yyscanner]]) m4_define( [[M4_YY_DEF_ONLY_ARG]], [[yyscan_t yyscanner]]) m4_define( [[M4_YY_DECL_LAST_ARG]], [[yyscan_t yyscanner;]]) %# For use in function calls to pass the additional argument. m4_define( [[M4_YY_CALL_LAST_ARG]], [[, yyscanner]]) m4_define( [[M4_YY_CALL_ONLY_ARG]], [[yyscanner]]) %# For use in function documentation to adjust for additional argument. m4_define( [[M4_YY_DOC_PARAM]], [[@param yyscanner The scanner object.]]) /* For convenience, these vars (plus the bison vars far below) are macros in the reentrant scanner. */ #define yyin YY_G(yyin_r) #define yyout YY_G(yyout_r) #define yyextra YY_G(yyextra_r) #define yyleng YY_G(yyleng_r) #define yytext YY_G(yytext_r) #define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) #define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) #define yy_flex_debug YY_G(yy_flex_debug_r) m4_define( [[M4_YY_INCR_LINENO]], [[ do{ yylineno++; yycolumn=0; }while(0) ]]) %endif %if-not-reentrant m4_define( [[M4_YY_INCR_LINENO]], [[ yylineno++; ]]) %# Define these macros to be no-ops. m4_define( [[M4_YY_DECL_GUTS_VAR]], [[m4_dnl]]) m4_define( [[M4_YY_NOOP_GUTS_VAR]], [[m4_dnl]]) m4_define( [[YY_G]], [[($1)]]) m4_define( [[M4_YY_PROTO_LAST_ARG]]) m4_define( [[M4_YY_PROTO_ONLY_ARG]], [[void]]) m4_define( [[M4_YY_DEF_LAST_ARG]]) m4_define( [[M4_YY_DEF_ONLY_ARG]], [[void]]) m4_define([[M4_YY_DECL_LAST_ARG]]) m4_define([[M4_YY_CALL_LAST_ARG]]) m4_define([[M4_YY_CALL_ONLY_ARG]]) m4_define( [[M4_YY_DOC_PARAM]], ) %endif %# Generate C99 function defs. m4_define( [[YYFARGS1]], [[($1 $2 M4_YY_DEF_LAST_ARG)]]) m4_define( [[YYFARGS2]], [[($1 $2, $3 $4 M4_YY_DEF_LAST_ARG)]]) m4_define( [[YYFARGS3]], [[($1 $2, $3 $4, $5 $6 M4_YY_DEF_LAST_ARG)]]) m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* 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_G(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_G(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 M4_YY_CALL_LAST_ARG ) #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 m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* 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 m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ #define EOB_ACT_CONTINUE_SCAN 0 #define EOB_ACT_END_OF_FILE 1 #define EOB_ACT_LAST_MATCH 2 m4_ifdef( [[M4_YY_USE_LINENO]], [[ /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires * access to the local variable yy_act. Since yyless() is a macro, it would break * existing scanners that call yyless() from OUTSIDE yylex. * One obvious solution it to make yy_act a global. I tried that, and saw * a 5% performance hit in a non-yylineno scanner, because yy_act is * normally declared as a register variable-- so it is not worth it. */ #define YY_LESS_LINENO(n) \ do { \ int yyl;\ for ( yyl = n; yyl < yyleng; ++yyl )\ if ( yytext[yyl] == '\n' )\ --yylineno;\ }while(0) #define YY_LINENO_REWIND_TO(dst) \ do {\ const char *p;\ for ( p = yy_cp-1; p >= (dst); --p)\ if ( *p == '\n' )\ --yylineno;\ }while(0) ]], [[ #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_G(yy_hold_char); \ YY_RESTORE_YY_MORE_OFFSET \ YY_G(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, YY_G(yytext_ptr) M4_YY_CALL_LAST_ARG ) ]]) #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 std::streambuf* yy_input_file; %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; m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ #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 m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* 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_G(yy_buffer_stack) \ ? YY_G(yy_buffer_stack)[YY_G(yy_buffer_stack_top)] \ : NULL) #define yy_current_buffer YY_CURRENT_BUFFER /* 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_G(yy_buffer_stack)[YY_G(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 M4_YY_PROTO_LAST_ARG ); void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer M4_YY_PROTO_LAST_ARG ); YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size M4_YY_PROTO_LAST_ARG ); void yy_delete_buffer ( YY_BUFFER_STATE b M4_YY_PROTO_LAST_ARG ); void yy_flush_buffer ( YY_BUFFER_STATE b M4_YY_PROTO_LAST_ARG ); void yypush_buffer_state ( YY_BUFFER_STATE new_buffer M4_YY_PROTO_LAST_ARG ); void yypop_buffer_state ( M4_YY_PROTO_ONLY_ARG ); m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ static void yyensure_buffer_stack ( M4_YY_PROTO_ONLY_ARG ); static void yy_load_buffer_state ( M4_YY_PROTO_ONLY_ARG ); static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file M4_YY_PROTO_LAST_ARG ); #define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG) ]]) YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size M4_YY_PROTO_LAST_ARG ); YY_BUFFER_STATE yy_scan_string ( const char *yy_str M4_YY_PROTO_LAST_ARG ); YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len M4_YY_PROTO_LAST_ARG ); %endif void *yyalloc ( yy_size_t M4_YY_PROTO_LAST_ARG ); void *yyrealloc ( void *, yy_size_t M4_YY_PROTO_LAST_ARG ); void yyfree ( void * M4_YY_PROTO_LAST_ARG ); m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ #define yy_new_buffer yy_create_buffer #define yy_set_interactive(is_interactive) \ { \ if ( ! YY_CURRENT_BUFFER ){ \ yyensure_buffer_stack (M4_YY_CALL_ONLY_ARG); \ YY_CURRENT_BUFFER_LVALUE = \ yy_create_buffer( yyin, YY_BUF_SIZE M4_YY_CALL_LAST_ARG); \ } \ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ } #define yy_set_bol(at_bol) \ { \ if ( ! YY_CURRENT_BUFFER ){\ yyensure_buffer_stack (M4_YY_CALL_ONLY_ARG); \ YY_CURRENT_BUFFER_LVALUE = \ yy_create_buffer( yyin, YY_BUF_SIZE M4_YY_CALL_LAST_ARG); \ } \ 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 m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ %% [1.5] DFA ]]) %if-c-only Standard (non-C++) definition m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ static yy_state_type yy_get_previous_state ( M4_YY_PROTO_ONLY_ARG ); static yy_state_type yy_try_NUL_trans ( yy_state_type current_state M4_YY_PROTO_LAST_ARG); static int yy_get_next_buffer ( M4_YY_PROTO_ONLY_ARG ); static void yynoreturn yy_fatal_error ( const char* msg M4_YY_PROTO_LAST_ARG ); ]]) %endif m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* Done after the current pattern has been matched and before the * corresponding action - sets up yytext. */ #define YY_DO_BEFORE_ACTION \ YY_G(yytext_ptr) = yy_bp; \ %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ YY_G(yy_hold_char) = *yy_cp; \ *yy_cp = '\0'; \ %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ YY_G(yy_c_buf_p) = yy_cp; %% [4.0] data tables for the DFA and the user's section 1 definitions go here ]]) m4_ifdef( [[M4_YY_IN_HEADER]], [[#ifdef YY_HEADER_EXPORT_START_CONDITIONS]]) M4_YY_SC_DEFS m4_ifdef( [[M4_YY_IN_HEADER]], [[#endif]]) m4_ifdef( [[M4_YY_NO_UNISTD_H]],, [[ #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 #include %endif #endif ]]) m4_ifdef( [[M4_EXTRA_TYPE_DEFS]], [[ #define YY_EXTRA_TYPE M4_EXTRA_TYPE_DEFS ]], [[ #ifndef YY_EXTRA_TYPE #define YY_EXTRA_TYPE void * #endif ]] ) %if-c-only Reentrant structure and macros (non-C++). %if-reentrant m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* Holds the entire state of the reentrant scanner. */ struct yyguts_t { /* User-defined. Not touched by flex. */ YY_EXTRA_TYPE yyextra_r; /* The rest are the same as the globals declared in the non-reentrant scanner. */ FILE *yyin_r, *yyout_r; size_t yy_buffer_stack_top; /**< index of top of stack. */ size_t yy_buffer_stack_max; /**< capacity of stack. */ YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ char yy_hold_char; int yy_n_chars; int yyleng_r; char *yy_c_buf_p; int yy_init; int yy_start; int yy_did_buffer_switch_on_eof; int yy_start_stack_ptr; int yy_start_stack_depth; int *yy_start_stack; yy_state_type yy_last_accepting_state; char* yy_last_accepting_cpos; int yylineno_r; int yy_flex_debug_r; m4_ifdef( [[M4_YY_USES_REJECT]], [[ yy_state_type *yy_state_buf; yy_state_type *yy_state_ptr; char *yy_full_match; int yy_lp; /* These are only needed for trailing context rules, * but there's no conditional variable for that yet. */ int yy_looking_for_trail_begin; int yy_full_lp; int *yy_full_state; ]]) m4_ifdef( [[M4_YY_TEXT_IS_ARRAY]], [[ char yytext_r[YYLMAX]; char *yytext_ptr; int yy_more_offset; int yy_prev_more_offset; ]], [[ char *yytext_r; int yy_more_flag; int yy_more_len; ]]) m4_ifdef( [[M4_YY_BISON_LVAL]], [[ YYSTYPE * yylval_r; ]]) m4_ifdef( [[]], [[ YYLTYPE * yylloc_r; ]]) }; /* end struct yyguts_t */ ]]) %if-c-only m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ static int yy_init_globals ( M4_YY_PROTO_ONLY_ARG ); ]]) %endif %if-reentrant m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ m4_ifdef( [[M4_YY_BISON_LVAL]], [[ /* This must go here because YYSTYPE and YYLTYPE are included * from bison output in section 1.*/ # define yylval YY_G(yylval_r) ]]) m4_ifdef( [[]], [[ # define yylloc YY_G(yylloc_r) ]]) ]]) int yylex_init (yyscan_t* scanner); int yylex_init_extra ( YY_EXTRA_TYPE user_defined, yyscan_t* scanner); %endif %endif End reentrant structures and macros. /* Accessor methods to globals. These are made visible to non-reentrant scanners for convenience. */ m4_ifdef( [[M4_YY_NO_DESTROY]],, [[ int yylex_destroy ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_GET_DEBUG]],, [[ int yyget_debug ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_SET_DEBUG]],, [[ void yyset_debug ( int debug_flag M4_YY_PROTO_LAST_ARG ); ]]) m4_ifdef( [[M4_YY_NO_GET_EXTRA]],, [[ YY_EXTRA_TYPE yyget_extra ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_SET_EXTRA]],, [[ void yyset_extra ( YY_EXTRA_TYPE user_defined M4_YY_PROTO_LAST_ARG ); ]]) m4_ifdef( [[M4_YY_NO_GET_IN]],, [[ FILE *yyget_in ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_SET_IN]],, [[ void yyset_in ( FILE * _in_str M4_YY_PROTO_LAST_ARG ); ]]) m4_ifdef( [[M4_YY_NO_GET_OUT]],, [[ FILE *yyget_out ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_SET_OUT]],, [[ void yyset_out ( FILE * _out_str M4_YY_PROTO_LAST_ARG ); ]]) m4_ifdef( [[M4_YY_NO_GET_LENG]],, [[ int yyget_leng ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_GET_TEXT]],, [[ char *yyget_text ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_GET_LINENO]],, [[ int yyget_lineno ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_SET_LINENO]],, [[ void yyset_lineno ( int _line_number M4_YY_PROTO_LAST_ARG ); ]]) m4_ifdef( [[M4_YY_REENTRANT]], [[ m4_ifdef( [[M4_YY_NO_GET_COLUMN]],, [[ int yyget_column ( M4_YY_PROTO_ONLY_ARG ); ]]) ]]) m4_ifdef( [[M4_YY_REENTRANT]], [[ m4_ifdef( [[M4_YY_NO_SET_COLUMN]],, [[ void yyset_column ( int _column_no M4_YY_PROTO_LAST_ARG ); ]]) ]]) %if-bison-bridge m4_ifdef( [[M4_YY_NO_GET_LVAL]],, [[ YYSTYPE * yyget_lval ( M4_YY_PROTO_ONLY_ARG ); ]]) void yyset_lval ( YYSTYPE * yylval_param M4_YY_PROTO_LAST_ARG ); m4_ifdef( [[]], [[ m4_ifdef( [[M4_YY_NO_GET_LLOC]],, [[ YYLTYPE *yyget_lloc ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_SET_LLOC]],, [[ void yyset_lloc ( YYLTYPE * yylloc_param M4_YY_PROTO_LAST_ARG ); ]]) ]]) %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 ( M4_YY_PROTO_ONLY_ARG ); #else extern int yywrap ( M4_YY_PROTO_ONLY_ARG ); #endif #endif %not-for-header #ifndef YY_NO_UNPUT m4_ifdef( [[M4_YY_NO_UNPUT]],, [[ static void yyunput ( int c, char *buf_ptr M4_YY_PROTO_LAST_ARG); ]]) #endif %ok-for-header %endif #ifndef yytext_ptr static void yy_flex_strncpy ( char *, const char *, int M4_YY_PROTO_LAST_ARG); #endif #ifdef YY_NEED_STRLEN static int yy_flex_strlen ( const char * M4_YY_PROTO_LAST_ARG); #endif #ifndef YY_NO_INPUT %if-c-only Standard (non-C++) definition %not-for-header #ifdef __cplusplus static int yyinput ( M4_YY_PROTO_ONLY_ARG ); #else static int input ( M4_YY_PROTO_ONLY_ARG ); #endif %ok-for-header %endif #endif %if-c-only %# TODO: This is messy. m4_ifdef( [[M4_YY_STACK_USED]], [[ m4_ifdef( [[M4_YY_NOT_REENTRANT]], [[ m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ static int yy_start_stack_ptr = 0; static int yy_start_stack_depth = 0; static int *yy_start_stack = NULL; ]]) ]]) m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ m4_ifdef( [[M4_YY_NO_PUSH_STATE]],, [[ static void yy_push_state ( int _new_state M4_YY_PROTO_LAST_ARG); ]]) m4_ifdef( [[M4_YY_NO_POP_STATE]],, [[ static void yy_pop_state ( M4_YY_PROTO_ONLY_ARG ); ]]) m4_ifdef( [[M4_YY_NO_TOP_STATE]],, [[ static int yy_top_state ( M4_YY_PROTO_ONLY_ARG ); ]]) ]]) ]], [[ m4_define( [[M4_YY_NO_PUSH_STATE]]) m4_define( [[M4_YY_NO_POP_STATE]]) m4_define( [[M4_YY_NO_TOP_STATE]]) ]]) %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 m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* 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 #define ECHO LexerOutput( yytext, yyleng ) %endif #endif ]]) m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* 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-c++-only C++ definition \ if ( (int)(result = LexerInput( (char *) buf, max_size )) < 0 ) \ YY_FATAL_ERROR( "input in flex scanner failed" ); %endif #endif ]]) m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* 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 m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* Report a fatal error. */ #ifndef YY_FATAL_ERROR %if-c-only #define YY_FATAL_ERROR(msg) yy_fatal_error( msg M4_YY_CALL_LAST_ARG) %endif %if-c++-only #define YY_FATAL_ERROR(msg) LexerError( msg ) %endif #endif ]]) %if-tables-serialization structures and prototypes m4preproc_include(`tables_shared.h') /* Load the DFA tables from the given stream. */ int yytables_fload (FILE * fp M4_YY_PROTO_LAST_ARG); /* Unload the tables from memory. */ int yytables_destroy (M4_YY_PROTO_ONLY_ARG); %not-for-header /** Describes a mapping from a serialized table id to its deserialized state in * this scanner. This is the bridge between our "generic" deserialization code * and the specifics of this scanner. */ struct yytbl_dmap { enum yytbl_id dm_id;/**< table identifier */ void **dm_arr; /**< address of pointer to store the deserialized table. */ size_t dm_sz; /**< local sizeof() each element in table. */ }; /** A {0,0,0}-terminated list of structs, forming the map */ static struct yytbl_dmap yydmap[] = { %tables-yydmap generated elements {0,0,0} }; /** A tables-reader object to maintain some state in the read. */ struct yytbl_reader { FILE * fp; /**< input stream */ flex_uint32_t bread; /**< bytes read since beginning of current tableset */ }; %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 m4_define( [[M4_YY_LEX_PROTO]], [[(M4_YY_PROTO_ONLY_ARG)]]) m4_define( [[M4_YY_LEX_DECLARATION]], [[(M4_YY_DEF_ONLY_ARG)]]) m4_ifdef( [[M4_YY_BISON_LVAL]], [[ m4_dnl The bison pure parser is used. Redefine yylex to m4_dnl accept the lval parameter. m4_define( [[M4_YY_LEX_PROTO]], [[\]] [[(YYSTYPE * yylval_param M4_YY_PROTO_LAST_ARG)]]) m4_define( [[M4_YY_LEX_DECLARATION]], [[\]] [[YYFARGS1(YYSTYPE *,yylval_param)]]) ]]) m4_ifdef( [[]], [[ m4_dnl Locations are used. yylex should also accept the ylloc parameter. m4_define( [[M4_YY_LEX_PROTO]], [[\]] [[(YYSTYPE * yylval_param, YYLTYPE * yylloc_param M4_YY_PROTO_LAST_ARG)]]) m4_define( [[M4_YY_LEX_DECLARATION]], [[\]] [[YYFARGS2(YYSTYPE *,yylval_param, YYLTYPE *,yylloc_param)]]) ]]) extern int yylex M4_YY_LEX_PROTO; #define YY_DECL int yylex M4_YY_LEX_DECLARATION %endif %if-c++-only C++ definition #define YY_DECL int yyFlexLexer::yylex() %endif #endif /* !YY_DECL */ m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* 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 ]]) m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* Code executed at the end of each rule. */ #ifndef YY_BREAK #define YY_BREAK /*LINTED*/break; #endif ]]) m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ %% [6.0] YY_RULE_SETUP definition goes here ]]) %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; M4_YY_DECL_GUTS_VAR(); m4_ifdef( [[M4_YY_NOT_REENTRANT]], [[ m4_ifdef( [[M4_YY_BISON_LVAL]], [[ YYSTYPE * yylval; ]]) m4_ifdef( [[]], [[ YYLTYPE * yylloc; ]]) ]]) m4_ifdef( [[M4_YY_BISON_LVAL]], [[ yylval = yylval_param; ]]) m4_ifdef( [[]], [[ yylloc = yylloc_param; ]]) if ( !YY_G(yy_init) ) { YY_G(yy_init) = 1; #ifdef YY_USER_INIT YY_USER_INIT; #endif m4_ifdef( [[M4_YY_USES_REJECT]], [[ /* Create the reject buffer large enough to save one state per allowed character. */ if ( ! YY_G(yy_state_buf) ) YY_G(yy_state_buf) = (yy_state_type *)yyalloc(YY_STATE_BUF_SIZE M4_YY_CALL_LAST_ARG); if ( ! YY_G(yy_state_buf) ) YY_FATAL_ERROR( "out of dynamic memory in yylex()" ); ]]) if ( ! YY_G(yy_start) ) YY_G(yy_start) = 1; /* first start state */ if ( ! yyin ) %if-c-only yyin = stdin; %endif %if-c++-only yyin.rdbuf(std::cin.rdbuf()); %endif if ( ! yyout ) %if-c-only yyout = stdout; %endif %if-c++-only yyout.rdbuf(std::cout.rdbuf()); %endif if ( ! YY_CURRENT_BUFFER ) { yyensure_buffer_stack (M4_YY_CALL_ONLY_ARG); YY_CURRENT_BUFFER_LVALUE = yy_create_buffer( yyin, YY_BUF_SIZE M4_YY_CALL_LAST_ARG); } yy_load_buffer_state( M4_YY_CALL_ONLY_ARG ); } { %% [7.0] user's declarations go here while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */ { %% [8.0] yymore()-related code goes here yy_cp = YY_G(yy_c_buf_p); /* Support of yytext. */ *yy_cp = YY_G(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_find_action: %% [10.0] code to find the action number goes here 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 switch ( yy_act ) { /* beginning of action switch */ %% [13.0] actions go here case YY_END_OF_BUFFER: { /* Amount of text matched not including the EOB char. */ int yy_amount_of_matched_text = (int) (yy_cp - YY_G(yytext_ptr)) - 1; /* Undo the effects of YY_DO_BEFORE_ACTION. */ *yy_cp = YY_G(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_G(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 YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin.rdbuf(); %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_G(yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars)] ) { /* This was really a NUL. */ yy_state_type yy_next_state; YY_G(yy_c_buf_p) = YY_G(yytext_ptr) + yy_amount_of_matched_text; yy_current_state = yy_get_previous_state( M4_YY_CALL_ONLY_ARG ); /* 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 M4_YY_CALL_LAST_ARG); yy_bp = YY_G(yytext_ptr) + YY_MORE_ADJ; if ( yy_next_state ) { /* Consume the NUL. */ yy_cp = ++YY_G(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 goto yy_find_action; } } else switch ( yy_get_next_buffer( M4_YY_CALL_ONLY_ARG ) ) { case EOB_ACT_END_OF_FILE: { YY_G(yy_did_buffer_switch_on_eof) = 0; if ( yywrap( M4_YY_CALL_ONLY_ARG ) ) { /* 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_G(yy_c_buf_p) = YY_G(yytext_ptr) + YY_MORE_ADJ; yy_act = YY_STATE_EOF(YY_START); goto do_action; } else { if ( ! YY_G(yy_did_buffer_switch_on_eof) ) YY_NEW_FILE; } break; } case EOB_ACT_CONTINUE_SCAN: YY_G(yy_c_buf_p) = YY_G(yytext_ptr) + yy_amount_of_matched_text; yy_current_state = yy_get_previous_state( M4_YY_CALL_ONLY_ARG ); yy_cp = YY_G(yy_c_buf_p); yy_bp = YY_G(yytext_ptr) + YY_MORE_ADJ; goto yy_match; case EOB_ACT_LAST_MATCH: YY_G(yy_c_buf_p) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars)]; yy_current_state = yy_get_previous_state( M4_YY_CALL_ONLY_ARG ); yy_cp = YY_G(yy_c_buf_p); yy_bp = YY_G(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 /* The contents of this function are C++ specific, so the YY_G macro is not used. * This constructor simply maintains backward compatibility. * DEPRECATED */ yyFlexLexer::yyFlexLexer( std::istream* arg_yyin, std::ostream* arg_yyout ): yyin(arg_yyin ? arg_yyin->rdbuf() : std::cin.rdbuf()), yyout(arg_yyout ? arg_yyout->rdbuf() : std::cout.rdbuf()) { ctor_common(); } /* The contents of this function are C++ specific, so the YY_G macro is not used. */ yyFlexLexer::yyFlexLexer( std::istream& arg_yyin, std::ostream& arg_yyout ): yyin(arg_yyin.rdbuf()), yyout(arg_yyout.rdbuf()) { ctor_common(); } /* The contents of this function are C++ specific, so the YY_G macro is not used. */ void yyFlexLexer::ctor_common() { yy_c_buf_p = 0; yy_init = 0; yy_start = 0; yy_flex_debug = 0; yylineno = 1; // this will only get updated if %option yylineno yy_did_buffer_switch_on_eof = 0; yy_looking_for_trail_begin = 0; yy_more_flag = 0; yy_more_len = 0; yy_more_offset = yy_prev_more_offset = 0; yy_start_stack_ptr = yy_start_stack_depth = 0; yy_start_stack = NULL; yy_buffer_stack = NULL; yy_buffer_stack_top = 0; yy_buffer_stack_max = 0; m4_ifdef( [[M4_YY_USES_REJECT]], [[ yy_state_buf = new yy_state_type[YY_STATE_BUF_SIZE]; ]], [[ yy_state_buf = 0; ]]) } /* The contents of this function are C++ specific, so the YY_G macro is not used. */ yyFlexLexer::~yyFlexLexer() { delete [] yy_state_buf; yyfree( yy_start_stack M4_YY_CALL_LAST_ARG ); yy_delete_buffer( YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG); yyfree( yy_buffer_stack M4_YY_CALL_LAST_ARG ); } /* The contents of this function are C++ specific, so the YY_G macro is not used. */ void yyFlexLexer::switch_streams( std::istream& new_in, std::ostream& new_out ) { // was if( new_in ) yy_delete_buffer( YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG); yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE M4_YY_CALL_LAST_ARG) M4_YY_CALL_LAST_ARG); // was if( new_out ) yyout.rdbuf(new_out.rdbuf()); } /* The contents of this function are C++ specific, so the YY_G macro is not used. */ void yyFlexLexer::switch_streams( std::istream* new_in, std::ostream* new_out ) { if( ! new_in ) { new_in = &yyin; } if ( ! new_out ) { new_out = &yyout; } switch_streams(*new_in, *new_out); } #ifdef YY_INTERACTIVE int yyFlexLexer::LexerInput( char* buf, int /* max_size */ ) #else int yyFlexLexer::LexerInput( char* buf, int max_size ) #endif { if ( yyin.eof() || yyin.fail() ) return 0; #ifdef YY_INTERACTIVE yyin.get( buf[0] ); if ( yyin.eof() ) return 0; if ( yyin.bad() ) return -1; return 1; #else (void) yyin.read( buf, max_size ); if ( yyin.bad() ) return -1; else return yyin.gcount(); #endif } void yyFlexLexer::LexerOutput( const char* buf, int size ) { (void) yyout.write( buf, size ); } %ok-for-header %endif m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* 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 (M4_YY_DEF_ONLY_ARG) %endif %if-c++-only int yyFlexLexer::yy_get_next_buffer() %endif { M4_YY_DECL_GUTS_VAR(); char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; char *source = YY_G(yytext_ptr); int number_to_move, i; int ret_val; if ( YY_G(yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(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_G(yy_c_buf_p) - YY_G(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_G(yy_c_buf_p) - YY_G(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_G(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. */ m4_ifdef( [[M4_YY_USES_REJECT]], [[ YY_FATAL_ERROR( "input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); ]], [[ /* just a shorter name for the current buffer */ YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; int yy_c_buf_p_offset = (int) (YY_G(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) M4_YY_CALL_LAST_ARG ); } 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_G(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_G(yy_n_chars), num_to_read ); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = YY_G(yy_n_chars); } if ( YY_G(yy_n_chars) == 0 ) { if ( number_to_move == YY_MORE_ADJ ) { ret_val = EOB_ACT_END_OF_FILE; yyrestart( yyin M4_YY_CALL_LAST_ARG); } 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_G(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_G(yy_n_chars) + number_to_move + (YY_G(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 M4_YY_CALL_LAST_ARG ); 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_G(yy_n_chars) += number_to_move; YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; YY_G(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 (M4_YY_DEF_ONLY_ARG) %endif %if-c++-only yy_state_type yyFlexLexer::yy_get_previous_state() %endif { yy_state_type yy_current_state; char *yy_cp; M4_YY_DECL_GUTS_VAR(); %% [15.0] code to get the start state into yy_current_state goes here for ( yy_cp = YY_G(yytext_ptr) + YY_MORE_ADJ; yy_cp < YY_G(yy_c_buf_p); ++yy_cp ) { %% [16.0] code to find the next state goes here } 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 YYFARGS1( yy_state_type, yy_current_state) %endif %if-c++-only yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state ) %endif { int yy_is_jam; M4_YY_DECL_GUTS_VAR(); /* This var may be unused depending upon options. */ %% [17.0] code to find the next state, and perhaps do backing up, goes here M4_YY_NOOP_GUTS_VAR(); return yy_is_jam ? 0 : yy_current_state; } #ifndef YY_NO_UNPUT %if-c-only m4_ifdef( [[M4_YY_NO_UNPUT]],, [[ static void yyunput YYFARGS2( int,c, char *,yy_bp) %endif %if-c++-only void yyFlexLexer::yyunput( int c, char* yy_bp) %endif { char *yy_cp; M4_YY_DECL_GUTS_VAR(); yy_cp = YY_G(yy_c_buf_p); /* undo effects of setting up yytext */ *yy_cp = YY_G(yy_hold_char); if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) { /* need to shift things up to make room */ /* +2 for EOB chars. */ int number_to_move = YY_G(yy_n_chars) + 2; char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; char *source = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) *--dest = *--source; yy_cp += (int) (dest - source); yy_bp += (int) (dest - source); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = YY_G(yy_n_chars) = (int) YY_CURRENT_BUFFER_LVALUE->yy_buf_size; if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) YY_FATAL_ERROR( "flex scanner push-back overflow" ); } *--yy_cp = (char) c; %% [18.0] update yylineno here m4_ifdef( [[M4_YY_USE_LINENO]], [[ if ( c == '\n' ){ --yylineno; } ]]) YY_G(yytext_ptr) = yy_bp; YY_G(yy_hold_char) = *yy_cp; YY_G(yy_c_buf_p) = yy_cp; } %if-c-only ]]) %endif #endif %if-c-only #ifndef YY_NO_INPUT #ifdef __cplusplus static int yyinput (M4_YY_DEF_ONLY_ARG) #else static int input (M4_YY_DEF_ONLY_ARG) #endif %endif %if-c++-only int yyFlexLexer::yyinput() %endif { int c; M4_YY_DECL_GUTS_VAR(); *YY_G(yy_c_buf_p) = YY_G(yy_hold_char); if ( *YY_G(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_G(yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars)] ) /* This was really a NUL. */ *YY_G(yy_c_buf_p) = '\0'; else { /* need more input */ int offset = (int) (YY_G(yy_c_buf_p) - YY_G(yytext_ptr)); ++YY_G(yy_c_buf_p); switch ( yy_get_next_buffer( M4_YY_CALL_ONLY_ARG ) ) { 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 M4_YY_CALL_LAST_ARG); /*FALLTHROUGH*/ case EOB_ACT_END_OF_FILE: { if ( yywrap( M4_YY_CALL_ONLY_ARG ) ) #ifdef YY_FLEX_LEX_COMPAT return 0; #else return EOF; #endif if ( ! YY_G(yy_did_buffer_switch_on_eof) ) YY_NEW_FILE; #ifdef __cplusplus return yyinput(M4_YY_CALL_ONLY_ARG); #else return input(M4_YY_CALL_ONLY_ARG); #endif } case EOB_ACT_CONTINUE_SCAN: YY_G(yy_c_buf_p) = YY_G(yytext_ptr) + offset; break; } } } c = *(unsigned char *) YY_G(yy_c_buf_p); /* cast for 8-bit char's */ *YY_G(yy_c_buf_p) = '\0'; /* preserve yytext */ YY_G(yy_hold_char) = *++YY_G(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. * M4_YY_DOC_PARAM * @note This function does not reset the start condition to @c INITIAL . */ %if-c-only void yyrestart YYFARGS1( FILE *,input_file) %endif %if-c++-only void yyFlexLexer::yyrestart( std::istream& input_file ) %endif { M4_YY_DECL_GUTS_VAR(); if ( ! YY_CURRENT_BUFFER ){ yyensure_buffer_stack (M4_YY_CALL_ONLY_ARG); YY_CURRENT_BUFFER_LVALUE = yy_create_buffer( yyin, YY_BUF_SIZE M4_YY_CALL_LAST_ARG); } yy_init_buffer( YY_CURRENT_BUFFER, input_file M4_YY_CALL_LAST_ARG); yy_load_buffer_state( M4_YY_CALL_ONLY_ARG ); } %if-c++-only /** Delegate to the new version that takes an istream reference. * @param input_file A readable stream. * M4_YY_DOC_PARAM * @note This function does not reset the start condition to @c INITIAL . */ void yyFlexLexer::yyrestart( std::istream* input_file ) { if( ! input_file ) { input_file = &yyin; } yyrestart( *input_file ); } %endif /** Switch to a different input buffer. * @param new_buffer The new input buffer. * M4_YY_DOC_PARAM */ %if-c-only void yy_switch_to_buffer YYFARGS1( YY_BUFFER_STATE ,new_buffer) %endif %if-c++-only void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) %endif { M4_YY_DECL_GUTS_VAR(); /* TODO. We should be able to replace this entire function body * with * yypop_buffer_state(); * yypush_buffer_state(new_buffer); */ yyensure_buffer_stack (M4_YY_CALL_ONLY_ARG); if ( YY_CURRENT_BUFFER == new_buffer ) return; if ( YY_CURRENT_BUFFER ) { /* Flush out information for old buffer. */ *YY_G(yy_c_buf_p) = YY_G(yy_hold_char); YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = YY_G(yy_c_buf_p); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = YY_G(yy_n_chars); } YY_CURRENT_BUFFER_LVALUE = new_buffer; yy_load_buffer_state( M4_YY_CALL_ONLY_ARG ); /* 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_G(yy_did_buffer_switch_on_eof) = 1; } %if-c-only static void yy_load_buffer_state (M4_YY_DEF_ONLY_ARG) %endif %if-c++-only void yyFlexLexer::yy_load_buffer_state() %endif { M4_YY_DECL_GUTS_VAR(); YY_G(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; YY_G(yytext_ptr) = YY_G(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 yyin.rdbuf(YY_CURRENT_BUFFER_LVALUE->yy_input_file); %endif YY_G(yy_hold_char) = *YY_G(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. * M4_YY_DOC_PARAM * @return the allocated buffer state. */ %if-c-only YY_BUFFER_STATE yy_create_buffer YYFARGS2( FILE *,file, int ,size) %endif %if-c++-only YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( std::istream& file, int size ) %endif { YY_BUFFER_STATE b; m4_dnl M4_YY_DECL_GUTS_VAR(); b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) M4_YY_CALL_LAST_ARG ); 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) M4_YY_CALL_LAST_ARG ); 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 M4_YY_CALL_LAST_ARG); return b; } %if-c++-only /** Delegate creation of buffers to the new version that takes an istream reference. * @param file A readable stream. * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. * M4_YY_DOC_PARAM * @return the allocated buffer state. */ YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( std::istream* file, int size ) { return yy_create_buffer( *file, size ); } %endif /** Destroy the buffer. * @param b a buffer created with yy_create_buffer() * M4_YY_DOC_PARAM */ %if-c-only void yy_delete_buffer YYFARGS1( YY_BUFFER_STATE ,b) %endif %if-c++-only void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b ) %endif { M4_YY_DECL_GUTS_VAR(); 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 M4_YY_CALL_LAST_ARG ); yyfree( (void *) b M4_YY_CALL_LAST_ARG ); } /* 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 YYFARGS2( YY_BUFFER_STATE ,b, FILE *,file) %endif %if-c++-only void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, std::istream& file ) %endif { int oerrno = errno; M4_YY_DECL_GUTS_VAR(); yy_flush_buffer( b M4_YY_CALL_LAST_ARG); %if-c-only b->yy_input_file = file; %endif %if-c++-only b->yy_input_file = file.rdbuf(); %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 m4_ifdef( [[M4_YY_ALWAYS_INTERACTIVE]], [[ b->yy_is_interactive = 1; ]], [[ m4_ifdef( [[M4_YY_NEVER_INTERACTIVE]], [[ b->yy_is_interactive = 0; ]], [[ b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; ]]) ]]) %endif %if-c++-only b->yy_is_interactive = 0; %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. * M4_YY_DOC_PARAM */ %if-c-only void yy_flush_buffer YYFARGS1( YY_BUFFER_STATE ,b) %endif %if-c++-only void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b ) %endif { M4_YY_DECL_GUTS_VAR(); 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( M4_YY_CALL_ONLY_ARG ); } %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. * M4_YY_DOC_PARAM */ %if-c-only void yypush_buffer_state YYFARGS1(YY_BUFFER_STATE,new_buffer) %endif %if-c++-only void yyFlexLexer::yypush_buffer_state (YY_BUFFER_STATE new_buffer) %endif { M4_YY_DECL_GUTS_VAR(); if (new_buffer == NULL) return; yyensure_buffer_stack(M4_YY_CALL_ONLY_ARG); /* This block is copied from yy_switch_to_buffer. */ if ( YY_CURRENT_BUFFER ) { /* Flush out information for old buffer. */ *YY_G(yy_c_buf_p) = YY_G(yy_hold_char); YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = YY_G(yy_c_buf_p); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = YY_G(yy_n_chars); } /* Only push if top exists. Otherwise, replace top. */ if (YY_CURRENT_BUFFER) YY_G(yy_buffer_stack_top)++; YY_CURRENT_BUFFER_LVALUE = new_buffer; /* copied from yy_switch_to_buffer. */ yy_load_buffer_state( M4_YY_CALL_ONLY_ARG ); YY_G(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. * M4_YY_DOC_PARAM */ %if-c-only void yypop_buffer_state (M4_YY_DEF_ONLY_ARG) %endif %if-c++-only void yyFlexLexer::yypop_buffer_state (void) %endif { M4_YY_DECL_GUTS_VAR(); if (!YY_CURRENT_BUFFER) return; yy_delete_buffer(YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG); YY_CURRENT_BUFFER_LVALUE = NULL; if (YY_G(yy_buffer_stack_top) > 0) --YY_G(yy_buffer_stack_top); if (YY_CURRENT_BUFFER) { yy_load_buffer_state( M4_YY_CALL_ONLY_ARG ); YY_G(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 (M4_YY_DEF_ONLY_ARG) %endif %if-c++-only void yyFlexLexer::yyensure_buffer_stack(void) %endif { yy_size_t num_to_alloc; M4_YY_DECL_GUTS_VAR(); if (!YY_G(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_G(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc (num_to_alloc * sizeof(struct yy_buffer_state*) M4_YY_CALL_LAST_ARG); if ( ! YY_G(yy_buffer_stack) ) YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); memset(YY_G(yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); YY_G(yy_buffer_stack_max) = num_to_alloc; YY_G(yy_buffer_stack_top) = 0; return; } if (YY_G(yy_buffer_stack_top) >= (YY_G(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_G(yy_buffer_stack_max) + grow_size; YY_G(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc (YY_G(yy_buffer_stack), num_to_alloc * sizeof(struct yy_buffer_state*) M4_YY_CALL_LAST_ARG); if ( ! YY_G(yy_buffer_stack) ) YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); /* zero only the new slots.*/ memset(YY_G(yy_buffer_stack) + YY_G(yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); YY_G(yy_buffer_stack_max) = num_to_alloc; } } %endif m4_ifdef( [[M4_YY_NO_SCAN_BUFFER]],, [[ %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 * M4_YY_DOC_PARAM * @return the newly allocated buffer state object. */ YY_BUFFER_STATE yy_scan_buffer YYFARGS2( char *,base, yy_size_t ,size) { YY_BUFFER_STATE b; m4_dnl M4_YY_DECL_GUTS_VAR(); 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 ) M4_YY_CALL_LAST_ARG ); 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 M4_YY_CALL_LAST_ARG ); return b; } %endif ]]) m4_ifdef( [[M4_YY_NO_SCAN_STRING]],, [[ %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 * M4_YY_DOC_PARAM * @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 YYFARGS1( const char *, yystr) { m4_dnl M4_YY_DECL_GUTS_VAR(); return yy_scan_bytes( yystr, (int) strlen(yystr) M4_YY_CALL_LAST_ARG); } %endif ]]) m4_ifdef( [[M4_YY_NO_SCAN_BYTES]],, [[ %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. * M4_YY_DOC_PARAM * @return the newly allocated buffer state object. */ YY_BUFFER_STATE yy_scan_bytes YYFARGS2( const char *,yybytes, int ,_yybytes_len) { YY_BUFFER_STATE b; char *buf; yy_size_t n; int i; m4_dnl M4_YY_DECL_GUTS_VAR(); /* Get memory for full buffer, including space for trailing EOB's. */ n = (yy_size_t) (_yybytes_len + 2); buf = (char *) yyalloc( n M4_YY_CALL_LAST_ARG ); 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 M4_YY_CALL_LAST_ARG); 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 ]]) m4_ifdef( [[M4_YY_NO_PUSH_STATE]],, [[ %if-c-only static void yy_push_state YYFARGS1( int ,_new_state) %endif %if-c++-only void yyFlexLexer::yy_push_state( int _new_state ) %endif { M4_YY_DECL_GUTS_VAR(); if ( YY_G(yy_start_stack_ptr) >= YY_G(yy_start_stack_depth) ) { yy_size_t new_size; YY_G(yy_start_stack_depth) += YY_START_STACK_INCR; new_size = (yy_size_t) YY_G(yy_start_stack_depth) * sizeof( int ); if ( ! YY_G(yy_start_stack) ) YY_G(yy_start_stack) = (int *) yyalloc( new_size M4_YY_CALL_LAST_ARG ); else YY_G(yy_start_stack) = (int *) yyrealloc( (void *) YY_G(yy_start_stack), new_size M4_YY_CALL_LAST_ARG ); if ( ! YY_G(yy_start_stack) ) YY_FATAL_ERROR( "out of memory expanding start-condition stack" ); } YY_G(yy_start_stack)[YY_G(yy_start_stack_ptr)++] = YY_START; BEGIN(_new_state); } ]]) m4_ifdef( [[M4_YY_NO_POP_STATE]],, [[ %if-c-only static void yy_pop_state (M4_YY_DEF_ONLY_ARG) %endif %if-c++-only void yyFlexLexer::yy_pop_state() %endif { M4_YY_DECL_GUTS_VAR(); if ( --YY_G(yy_start_stack_ptr) < 0 ) YY_FATAL_ERROR( "start-condition stack underflow" ); BEGIN(YY_G(yy_start_stack)[YY_G(yy_start_stack_ptr)]); } ]]) m4_ifdef( [[M4_YY_NO_TOP_STATE]],, [[ %if-c-only static int yy_top_state (M4_YY_DEF_ONLY_ARG) %endif %if-c++-only int yyFlexLexer::yy_top_state() %endif { M4_YY_DECL_GUTS_VAR(); return YY_G(yy_start_stack)[YY_G(yy_start_stack_ptr) - 1]; } ]]) #ifndef YY_EXIT_FAILURE #define YY_EXIT_FAILURE 2 #endif %if-c-only static void yynoreturn yy_fatal_error YYFARGS1(const char*, msg) { M4_YY_DECL_GUTS_VAR(); M4_YY_NOOP_GUTS_VAR(); fprintf( stderr, "%s\n", msg ); exit( YY_EXIT_FAILURE ); } %endif %if-c++-only void yyFlexLexer::LexerError( const char* msg ) { M4_YY_DECL_GUTS_VAR(); std::cerr << msg << std::endl; exit( YY_EXIT_FAILURE ); } %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_G(yy_hold_char); \ YY_G(yy_c_buf_p) = yytext + yyless_macro_arg; \ YY_G(yy_hold_char) = *YY_G(yy_c_buf_p); \ *YY_G(yy_c_buf_p) = '\0'; \ yyleng = yyless_macro_arg; \ } \ while ( 0 ) /* Accessor methods (get/set functions) to struct members. */ %if-c-only %if-reentrant m4_ifdef( [[M4_YY_NO_GET_EXTRA]],, [[ /** Get the user-defined data for this scanner. * M4_YY_DOC_PARAM */ YY_EXTRA_TYPE yyget_extra (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); return yyextra; } ]]) %endif m4_ifdef( [[M4_YY_NO_GET_LINENO]],, [[ /** Get the current line number. * M4_YY_DOC_PARAM */ int yyget_lineno (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); m4_ifdef( [[M4_YY_REENTRANT]], [[ if (! YY_CURRENT_BUFFER) return 0; ]]) return yylineno; } ]]) m4_ifdef( [[M4_YY_REENTRANT]], [[ m4_ifdef( [[M4_YY_NO_GET_COLUMN]],, [[ /** Get the current column number. * M4_YY_DOC_PARAM */ int yyget_column (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); m4_ifdef( [[M4_YY_REENTRANT]], [[ if (! YY_CURRENT_BUFFER) return 0; ]]) return yycolumn; } ]]) ]]) m4_ifdef( [[M4_YY_NO_GET_IN]],, [[ /** Get the input stream. * M4_YY_DOC_PARAM */ FILE *yyget_in (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); return yyin; } ]]) m4_ifdef( [[M4_YY_NO_GET_OUT]],, [[ /** Get the output stream. * M4_YY_DOC_PARAM */ FILE *yyget_out (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); return yyout; } ]]) m4_ifdef( [[M4_YY_NO_GET_LENG]],, [[ /** Get the length of the current token. * M4_YY_DOC_PARAM */ int yyget_leng (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); return yyleng; } ]]) /** Get the current token. * M4_YY_DOC_PARAM */ m4_ifdef( [[M4_YY_NO_GET_TEXT]],, [[ char *yyget_text (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); return yytext; } ]]) %if-reentrant m4_ifdef( [[M4_YY_NO_SET_EXTRA]],, [[ /** Set the user-defined data. This data is never touched by the scanner. * @param user_defined The data to be associated with this scanner. * M4_YY_DOC_PARAM */ void yyset_extra YYFARGS1( YY_EXTRA_TYPE ,user_defined) { M4_YY_DECL_GUTS_VAR(); yyextra = user_defined ; } ]]) %endif m4_ifdef( [[M4_YY_NO_SET_LINENO]],, [[ /** Set the current line number. * @param _line_number line number * M4_YY_DOC_PARAM */ void yyset_lineno YYFARGS1( int ,_line_number) { M4_YY_DECL_GUTS_VAR(); m4_ifdef( [[M4_YY_REENTRANT]], [[ /* lineno is only valid if an input buffer exists. */ if (! YY_CURRENT_BUFFER ) YY_FATAL_ERROR( "yyset_lineno called with no buffer" ); ]]) yylineno = _line_number; } ]]) m4_ifdef( [[M4_YY_REENTRANT]], [[ m4_ifdef( [[M4_YY_NO_SET_COLUMN]],, [[ /** Set the current column. * @param _column_no column number * M4_YY_DOC_PARAM */ void yyset_column YYFARGS1( int , _column_no) { M4_YY_DECL_GUTS_VAR(); m4_ifdef( [[M4_YY_REENTRANT]], [[ /* column is only valid if an input buffer exists. */ if (! YY_CURRENT_BUFFER ) YY_FATAL_ERROR( "yyset_column called with no buffer" ); ]]) yycolumn = _column_no; } ]]) ]]) m4_ifdef( [[M4_YY_NO_SET_IN]],, [[ /** Set the input stream. This does not discard the current * input buffer. * @param _in_str A readable stream. * M4_YY_DOC_PARAM * @see yy_switch_to_buffer */ void yyset_in YYFARGS1( FILE * ,_in_str) { M4_YY_DECL_GUTS_VAR(); yyin = _in_str ; } ]]) m4_ifdef( [[M4_YY_NO_SET_OUT]],, [[ void yyset_out YYFARGS1( FILE * ,_out_str) { M4_YY_DECL_GUTS_VAR(); yyout = _out_str ; } ]]) m4_ifdef( [[M4_YY_NO_GET_DEBUG]],, [[ int yyget_debug (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); return yy_flex_debug; } ]]) m4_ifdef( [[M4_YY_NO_SET_DEBUG]],, [[ void yyset_debug YYFARGS1( int ,_bdebug) { M4_YY_DECL_GUTS_VAR(); yy_flex_debug = _bdebug ; } ]]) %endif %if-reentrant /* Accessor methods for yylval and yylloc */ %if-bison-bridge m4_ifdef( [[M4_YY_NO_GET_LVAL]],, [[ YYSTYPE * yyget_lval (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); return yylval; } ]]) m4_ifdef( [[M4_YY_NO_SET_LVAL]],, [[ void yyset_lval YYFARGS1( YYSTYPE * ,yylval_param) { M4_YY_DECL_GUTS_VAR(); yylval = yylval_param; } ]]) m4_ifdef( [[]], [[ m4_ifdef( [[M4_YY_NO_GET_LLOC]],, [[ YYLTYPE *yyget_lloc (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); return yylloc; } ]]) m4_ifdef( [[M4_YY_NO_SET_LLOC]],, [[ void yyset_lloc YYFARGS1( YYLTYPE * ,yylloc_param) { M4_YY_DECL_GUTS_VAR(); yylloc = yylloc_param; } ]]) ]]) %endif /* User-visible API */ /* yylex_init is special because it creates the scanner itself, so it is * the ONLY reentrant function that doesn't take the scanner as the last argument. * That's why we explicitly handle the declaration, instead of using our macros. */ int yylex_init(yyscan_t* ptr_yy_globals) { if (ptr_yy_globals == NULL){ errno = EINVAL; return 1; } *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), NULL ); if (*ptr_yy_globals == NULL){ errno = ENOMEM; return 1; } /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); return yy_init_globals ( *ptr_yy_globals ); } /* yylex_init_extra has the same functionality as yylex_init, but follows the * convention of taking the scanner as the last argument. Note however, that * this is a *pointer* to a scanner, as it will be allocated by this call (and * is the reason, too, why this function also must handle its own declaration). * The user defined value in the first argument will be available to yyalloc in * the yyextra field. */ int yylex_init_extra( YY_EXTRA_TYPE yy_user_defined, yyscan_t* ptr_yy_globals ) { struct yyguts_t dummy_yyguts; yyset_extra (yy_user_defined, &dummy_yyguts); if (ptr_yy_globals == NULL){ errno = EINVAL; return 1; } *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); if (*ptr_yy_globals == NULL){ errno = ENOMEM; return 1; } /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); yyset_extra (yy_user_defined, *ptr_yy_globals); return yy_init_globals ( *ptr_yy_globals ); } %endif if-c-only %# Actually, that ended an if-rentrant section %if-c-only static int yy_init_globals (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); /* Initialization is the same as for the non-reentrant scanner. * This function is called from yylex_destroy(), so don't allocate here. */ m4_ifdef( [[M4_YY_USE_LINENO]], [[ m4_ifdef( [[M4_YY_NOT_REENTRANT]], [[ /* We do not touch yylineno unless the option is enabled. */ yylineno = 1; ]]) ]]) YY_G(yy_buffer_stack) = NULL; YY_G(yy_buffer_stack_top) = 0; YY_G(yy_buffer_stack_max) = 0; YY_G(yy_c_buf_p) = NULL; YY_G(yy_init) = 0; YY_G(yy_start) = 0; m4_ifdef( [[M4_YY_HAS_START_STACK_VARS]], [[ YY_G(yy_start_stack_ptr) = 0; YY_G(yy_start_stack_depth) = 0; YY_G(yy_start_stack) = NULL; ]]) m4_ifdef( [[M4_YY_USES_REJECT]], [[ YY_G(yy_state_buf) = 0; YY_G(yy_state_ptr) = 0; YY_G(yy_full_match) = 0; YY_G(yy_lp) = 0; ]]) m4_ifdef( [[M4_YY_TEXT_IS_ARRAY]], [[ YY_G(yytext_ptr) = 0; YY_G(yy_more_offset) = 0; YY_G(yy_prev_more_offset) = 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 (M4_YY_DEF_ONLY_ARG) { M4_YY_DECL_GUTS_VAR(); /* Pop the buffer stack, destroying each element. */ while(YY_CURRENT_BUFFER){ yy_delete_buffer( YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG ); YY_CURRENT_BUFFER_LVALUE = NULL; yypop_buffer_state(M4_YY_CALL_ONLY_ARG); } /* Destroy the stack itself. */ yyfree(YY_G(yy_buffer_stack) M4_YY_CALL_LAST_ARG); YY_G(yy_buffer_stack) = NULL; m4_ifdef( [[M4_YY_HAS_START_STACK_VARS]], [[ /* Destroy the start condition stack. */ yyfree( YY_G(yy_start_stack) M4_YY_CALL_LAST_ARG ); YY_G(yy_start_stack) = NULL; ]]) m4_ifdef( [[M4_YY_USES_REJECT]], [[ yyfree ( YY_G(yy_state_buf) M4_YY_CALL_LAST_ARG); YY_G(yy_state_buf) = NULL; ]]) /* Reset the globals. This is important in a non-reentrant scanner so the next time * yylex() is called, initialization will occur. */ yy_init_globals( M4_YY_CALL_ONLY_ARG); %if-reentrant /* Destroy the main struct (reentrant only). */ yyfree ( yyscanner M4_YY_CALL_LAST_ARG ); yyscanner = NULL; %endif return 0; } %endif m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ /* * Internal utility routines. */ ]]) m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ #ifndef yytext_ptr static void yy_flex_strncpy YYFARGS3( char*,s1, const char *,s2, int,n) { M4_YY_DECL_GUTS_VAR(); M4_YY_NOOP_GUTS_VAR(); int i; for ( i = 0; i < n; ++i ) s1[i] = s2[i]; } #endif ]]) m4_ifdef( [[M4_YY_NOT_IN_HEADER]], [[ #ifdef YY_NEED_STRLEN static int yy_flex_strlen YYFARGS1( const char *,s) { int n; for ( n = 0; s[n]; ++n ) ; return n; } #endif ]]) m4_ifdef( [[M4_YY_NO_FLEX_ALLOC]],, [[ void *yyalloc YYFARGS1( yy_size_t ,size) { M4_YY_DECL_GUTS_VAR(); M4_YY_NOOP_GUTS_VAR(); return malloc(size); } ]]) m4_ifdef( [[M4_YY_NO_FLEX_REALLOC]],, [[ void *yyrealloc YYFARGS2( void *,ptr, yy_size_t ,size) { M4_YY_DECL_GUTS_VAR(); M4_YY_NOOP_GUTS_VAR(); /* 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); } ]]) m4_ifdef( [[M4_YY_NO_FLEX_FREE]],, [[ void yyfree YYFARGS1( void *,ptr) { M4_YY_DECL_GUTS_VAR(); M4_YY_NOOP_GUTS_VAR(); free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ } ]]) %if-tables-serialization definitions m4preproc_include(`tables_shared.c') static int yytbl_read8 (void *v, struct yytbl_reader * rd) { errno = 0; if (fread (v, sizeof (flex_uint8_t), 1, rd->fp) != 1){ errno = EIO; return -1; } rd->bread += (flex_uint32_t) sizeof(flex_uint8_t); return 0; } static int yytbl_read16 (void *v, struct yytbl_reader * rd) { errno = 0; if (fread (v, sizeof (flex_uint16_t), 1, rd->fp) != 1){ errno = EIO; return -1; } *((flex_uint16_t *) v) = ntohs (*((flex_uint16_t *) v)); rd->bread += (flex_uint32_t) sizeof(flex_uint16_t); return 0; } static int yytbl_read32 (void *v, struct yytbl_reader * rd) { errno = 0; if (fread (v, sizeof (flex_uint32_t), 1, rd->fp) != 1){ errno = EIO; return -1; } *((flex_uint32_t *) v) = ntohl (*((flex_uint32_t *) v)); rd->bread += (flex_uint32_t) sizeof(flex_uint32_t); return 0; } /** Read the header */ static int yytbl_hdr_read YYFARGS2(struct yytbl_hdr *, th, struct yytbl_reader *, rd) { size_t bytes; memset (th, 0, sizeof (struct yytbl_hdr)); if (yytbl_read32 (&(th->th_magic), rd) != 0) return -1; if (th->th_magic != YYTBL_MAGIC){ YY_FATAL_ERROR( "bad magic number" ); /* TODO: not fatal. */ return -1; } if (yytbl_read32 (&(th->th_hsize), rd) != 0 || yytbl_read32 (&(th->th_ssize), rd) != 0 || yytbl_read16 (&(th->th_flags), rd) != 0) return -1; /* Sanity check on header size. Greater than 1k suggests some funny business. */ if (th->th_hsize < 16 || th->th_hsize > 1024){ YY_FATAL_ERROR( "insane header size detected" ); /* TODO: not fatal. */ return -1; } /* Allocate enough space for the version and name fields */ bytes = th->th_hsize - 14; th->th_version = (char *) yyalloc (bytes M4_YY_CALL_LAST_ARG); if ( ! th->th_version ) YY_FATAL_ERROR( "out of dynamic memory in yytbl_hdr_read()" ); /* we read it all into th_version, and point th_name into that data */ if (fread (th->th_version, 1, bytes, rd->fp) != bytes){ errno = EIO; yyfree(th->th_version M4_YY_CALL_LAST_ARG); th->th_version = NULL; return -1; } else rd->bread += (flex_uint32_t) bytes; th->th_name = th->th_version + strlen (th->th_version) + 1; return 0; } /** lookup id in the dmap list. * @param dmap pointer to first element in list * @return NULL if not found. */ static struct yytbl_dmap *yytbl_dmap_lookup YYFARGS2(struct yytbl_dmap *, dmap, int, id) { M4_YY_DECL_GUTS_VAR(); M4_YY_NOOP_GUTS_VAR(); while (dmap->dm_id) if ((int)(dmap->dm_id) == id) return dmap; else dmap++; return NULL; } /** Read a table while mapping its contents to the local array. * @param dmap used to performing mapping * @return 0 on success */ static int yytbl_data_load YYFARGS2(struct yytbl_dmap *, dmap, struct yytbl_reader*, rd) { struct yytbl_data td; struct yytbl_dmap *transdmap=0; int len, i, rv, inner_loop_count; void *p=0; memset (&td, 0, sizeof (struct yytbl_data)); if (yytbl_read16 (&td.td_id, rd) != 0 || yytbl_read16 (&td.td_flags, rd) != 0 || yytbl_read32 (&td.td_hilen, rd) != 0 || yytbl_read32 (&td.td_lolen, rd) != 0) return -1; /* Lookup the map for the transition table so we have it in case we need it * inside the loop below. This scanner might not even have a transition * table, which is ok. */ transdmap = yytbl_dmap_lookup (dmap, YYTD_ID_TRANSITION M4_YY_CALL_LAST_ARG); if ((dmap = yytbl_dmap_lookup (dmap, td.td_id M4_YY_CALL_LAST_ARG)) == NULL){ YY_FATAL_ERROR( "table id not found in map." ); /* TODO: not fatal. */ return -1; } /* Allocate space for table. * The --full yy_transition table is a special case, since we * need the dmap.dm_sz entry to tell us the sizeof the individual * struct members. */ { size_t bytes; if ((td.td_flags & YYTD_STRUCT)) bytes = sizeof(struct yy_trans_info) * td.td_lolen * (td.td_hilen ? td.td_hilen : 1); else bytes = td.td_lolen * (td.td_hilen ? td.td_hilen : 1) * dmap->dm_sz; if(M4_YY_TABLES_VERIFY) /* We point to the array itself */ p = dmap->dm_arr; else /* We point to the address of a pointer. */ *dmap->dm_arr = p = (void *) yyalloc (bytes M4_YY_CALL_LAST_ARG); if ( ! p ) YY_FATAL_ERROR( "out of dynamic memory in yytbl_data_load()" ); } /* If it's a struct, we read 2 integers to get one element */ if ((td.td_flags & YYTD_STRUCT) != 0) inner_loop_count = 2; else inner_loop_count = 1; /* read and map each element. * This loop iterates once for each element of the td_data array. * Notice that we increment 'i' in the inner loop. */ len = yytbl_calc_total_len (&td); for (i = 0; i < len; ){ int j; /* This loop really executes exactly 1 or 2 times. * The second time is to handle the second member of the * YYTD_STRUCT for the yy_transition array. */ for (j = 0; j < inner_loop_count; j++, i++) { flex_int32_t t32; /* read into t32 no matter what the real size is. */ { flex_int16_t t16; flex_int8_t t8; switch (YYTDFLAGS2BYTES (td.td_flags)) { case sizeof (flex_int32_t): rv = yytbl_read32 (&t32, rd); break; case sizeof (flex_int16_t): rv = yytbl_read16 (&t16, rd); t32 = t16; break; case sizeof (flex_int8_t): rv = yytbl_read8 (&t8, rd); t32 = t8; break; default: YY_FATAL_ERROR( "invalid td_flags" ); /* TODO: not fatal. */ return -1; } } if (rv != 0) return -1; /* copy into the deserialized array... */ if ((td.td_flags & YYTD_STRUCT)) { /* t32 is the j'th member of a two-element struct. */ void *v; v = j == 0 ? &(((struct yy_trans_info *) p)->yy_verify) : &(((struct yy_trans_info *) p)->yy_nxt); switch (dmap->dm_sz) { case sizeof (flex_int32_t): if (M4_YY_TABLES_VERIFY){ if( ((flex_int32_t *) v)[0] != (flex_int32_t) t32) YY_FATAL_ERROR( "tables verification failed at YYTD_STRUCT flex_int32_t" ); }else ((flex_int32_t *) v)[0] = (flex_int32_t) t32; break; case sizeof (flex_int16_t): if (M4_YY_TABLES_VERIFY ){ if(((flex_int16_t *) v)[0] != (flex_int16_t) t32) YY_FATAL_ERROR( "tables verification failed at YYTD_STRUCT flex_int16_t" ); }else ((flex_int16_t *) v)[0] = (flex_int16_t) t32; break; case sizeof(flex_int8_t): if (M4_YY_TABLES_VERIFY ){ if( ((flex_int8_t *) v)[0] != (flex_int8_t) t32) YY_FATAL_ERROR( "tables verification failed at YYTD_STRUCT flex_int8_t" ); }else ((flex_int8_t *) v)[0] = (flex_int8_t) t32; break; default: YY_FATAL_ERROR( "invalid dmap->dm_sz for struct" ); /* TODO: not fatal. */ return -1; } /* if we're done with j, increment p */ if (j == 1) p = (struct yy_trans_info *) p + 1; } else if ((td.td_flags & YYTD_PTRANS)) { /* t32 is an index into the transition array. */ struct yy_trans_info *v; if (!transdmap){ YY_FATAL_ERROR( "transition table not found" ); /* TODO: not fatal. */ return -1; } if( M4_YY_TABLES_VERIFY) v = &(((struct yy_trans_info *) (transdmap->dm_arr))[t32]); else v = &((*((struct yy_trans_info **) (transdmap->dm_arr)))[t32]); if(M4_YY_TABLES_VERIFY ){ if( ((struct yy_trans_info **) p)[0] != v) YY_FATAL_ERROR( "tables verification failed at YYTD_PTRANS" ); }else ((struct yy_trans_info **) p)[0] = v; /* increment p */ p = (struct yy_trans_info **) p + 1; } else { /* t32 is a plain int. copy data, then incrememnt p. */ switch (dmap->dm_sz) { case sizeof (flex_int32_t): if(M4_YY_TABLES_VERIFY ){ if( ((flex_int32_t *) p)[0] != (flex_int32_t) t32) YY_FATAL_ERROR( "tables verification failed at flex_int32_t" ); }else ((flex_int32_t *) p)[0] = (flex_int32_t) t32; p = ((flex_int32_t *) p) + 1; break; case sizeof (flex_int16_t): if(M4_YY_TABLES_VERIFY ){ if( ((flex_int16_t *) p)[0] != (flex_int16_t) t32) YY_FATAL_ERROR( "tables verification failed at flex_int16_t" ); }else ((flex_int16_t *) p)[0] = (flex_int16_t) t32; p = ((flex_int16_t *) p) + 1; break; case sizeof (flex_int8_t): if(M4_YY_TABLES_VERIFY ){ if( ((flex_int8_t *) p)[0] != (flex_int8_t) t32) YY_FATAL_ERROR( "tables verification failed at flex_int8_t" ); }else ((flex_int8_t *) p)[0] = (flex_int8_t) t32; p = ((flex_int8_t *) p) + 1; break; default: YY_FATAL_ERROR( "invalid dmap->dm_sz for plain int" ); /* TODO: not fatal. */ return -1; } } } } /* Now eat padding. */ { int pad; pad = yypad64(rd->bread); while(--pad >= 0){ flex_int8_t t8; if(yytbl_read8(&t8,rd) != 0) return -1; } } return 0; } %define-yytables The name for this specific scanner's tables. /* Find the key and load the DFA tables from the given stream. */ static int yytbl_fload YYFARGS2(FILE *, fp, const char *, key) { int rv=0; struct yytbl_hdr th; struct yytbl_reader rd; rd.fp = fp; th.th_version = NULL; /* Keep trying until we find the right set of tables or end of file. */ while (!feof(rd.fp)) { rd.bread = 0; if (yytbl_hdr_read (&th, &rd M4_YY_CALL_LAST_ARG) != 0){ rv = -1; goto return_rv; } /* A NULL key means choose the first set of tables. */ if (key == NULL) break; if (strcmp(th.th_name,key) != 0){ /* Skip ahead to next set */ fseek(rd.fp, th.th_ssize - th.th_hsize, SEEK_CUR); yyfree(th.th_version M4_YY_CALL_LAST_ARG); th.th_version = NULL; } else break; } while (rd.bread < th.th_ssize){ /* Load the data tables */ if(yytbl_data_load (yydmap,&rd M4_YY_CALL_LAST_ARG) != 0){ rv = -1; goto return_rv; } } return_rv: if(th.th_version){ yyfree(th.th_version M4_YY_CALL_LAST_ARG); th.th_version = NULL; } return rv; } /** Load the DFA tables for this scanner from the given stream. */ int yytables_fload YYFARGS1(FILE *, fp) { if( yytbl_fload(fp, YYTABLES_NAME M4_YY_CALL_LAST_ARG) != 0) return -1; return 0; } /** Destroy the loaded tables, freeing memory, etc.. */ int yytables_destroy (M4_YY_DEF_ONLY_ARG) { struct yytbl_dmap *dmap=0; if(!M4_YY_TABLES_VERIFY){ /* Walk the dmap, freeing the pointers */ for(dmap=yydmap; dmap->dm_id; dmap++) { void * v; v = dmap->dm_arr; if(v && *(char**)v){ yyfree(*(char**)v M4_YY_CALL_LAST_ARG); *(char**)v = NULL; } } } return 0; } /* end table serialization code definitions */ %endif m4_ifdef([[M4_YY_MAIN]], [[ int main (void); int main () { %if-reentrant yyscan_t lexer; yylex_init(&lexer); yylex( lexer ); yylex_destroy( lexer); %endif %if-not-reentrant yylex(); %endif return 0; } ]]) %ok-for-header m4_ifdef( [[M4_YY_IN_HEADER]], [[ #undef YY_NEW_FILE #undef YY_FLUSH_BUFFER #undef yy_set_bol #undef yy_new_buffer #undef yy_set_interactive #undef YY_DO_BEFORE_ACTION #ifdef YY_DECL_IS_OURS #undef YY_DECL_IS_OURS #undef YY_DECL #endif m4preproc_undivert(1) ]])