faustlexer.cpp File Reference

#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include "tree.hh"
#include "faustparser.hpp"
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Classes

struct  yy_buffer_state
struct  yy_trans_info

Defines

#define YY_INT_ALIGNED   short int
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION   2
#define YY_FLEX_MINOR_VERSION   5
#define YY_FLEX_SUBMINOR_VERSION   35
#define FLEX_BETA
#define INT16_MIN   (-32767-1)
#define INT32_MIN   (-2147483647-1)
#define INT8_MAX   (127)
#define INT16_MAX   (32767)
#define INT32_MAX   (2147483647)
#define UINT8_MAX   (255U)
#define UINT16_MAX   (65535U)
#define UINT32_MAX   (4294967295U)
#define yyconst
#define YY_NULL   0
#define YY_SC_TO_UI(c)   ((unsigned int) (unsigned char) c)
#define BEGIN   (yy_start) = 1 + 2 *
#define YY_START   (((yy_start) - 1) / 2)
#define YYSTATE   YY_START
#define YY_STATE_EOF(state)   (YY_END_OF_BUFFER + state + 1)
#define YY_NEW_FILE   yyrestart(yyin )
#define YY_END_OF_BUFFER_CHAR   0
#define YY_BUF_SIZE   16384
#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#define YY_TYPEDEF_YY_BUFFER_STATE
#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 yyless(n)
#define unput(c)   yyunput( c, (yytext_ptr) )
#define YY_TYPEDEF_YY_SIZE_T
#define YY_STRUCT_YY_BUFFER_STATE
#define YY_BUFFER_NEW   0
#define YY_BUFFER_NORMAL   1
#define YY_BUFFER_EOF_PENDING   2
#define YY_CURRENT_BUFFER
#define YY_CURRENT_BUFFER_LVALUE   (yy_buffer_stack)[(yy_buffer_stack_top)]
#define YY_FLUSH_BUFFER   yy_flush_buffer(YY_CURRENT_BUFFER )
#define yy_new_buffer   yy_create_buffer
#define yy_set_interactive(is_interactive)
#define yy_set_bol(at_bol)
#define YY_AT_BOL()   (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
#define yytext_ptr   yytext
#define YY_DO_BEFORE_ACTION
#define YY_NUM_RULES   122
#define YY_END_OF_BUFFER   123
#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
#define YY_NO_UNISTD_H   1
#define INITIAL   0
#define comment   1
#define doc   2
#define YY_EXTRA_TYPE   void *
#define YY_READ_BUF_SIZE   8192
#define ECHO   do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
#define YY_INPUT(buf, result, max_size)
#define yyterminate()   return YY_NULL
#define YY_START_STACK_INCR   25
#define YY_FATAL_ERROR(msg)   yy_fatal_error( msg )
#define YY_DECL_IS_OURS   1
#define YY_DECL   int yylex (void)
#define YY_USER_ACTION
#define YY_BREAK   break;
#define YY_RULE_SETUP   YY_USER_ACTION
#define YY_EXIT_FAILURE   2
#define yyless(n)
#define YYTABLES_NAME   "yytables"

Typedefs

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
typedef struct yy_buffer_stateYY_BUFFER_STATE
typedef size_t yy_size_t
typedef unsigned char YY_CHAR
typedef int yy_state_type

Functions

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)
 Discard all buffered characters.
void yypush_buffer_state (YY_BUFFER_STATE new_buffer)
 Pushes the new state onto the stack.
void yypop_buffer_state (void)
 Removes and deletes the top of the stack, if present.
static void yyensure_buffer_stack (void)
static void yy_load_buffer_state (void)
static void yy_init_buffer (YY_BUFFER_STATE b, FILE *file)
 The main scanner function which does all the work.
YY_BUFFER_STATE yy_scan_buffer (char *base, yy_size_t size)
 Setup the input buffer state to scan directly from a user-specified character buffer.
YY_BUFFER_STATE yy_scan_string (yyconst char *yystr)
 Setup the input buffer state to scan a string.
YY_BUFFER_STATE yy_scan_bytes (yyconst char *yybytes, int _yybytes_len)
 Setup the input buffer state to scan the given bytes.
void * yyalloc (yy_size_t)
void * yyrealloc (void *, yy_size_t)
void yyfree (void *)
static yy_state_type yy_get_previous_state (void)
static yy_state_type yy_try_NUL_trans (yy_state_type current_state)
static int yy_get_next_buffer (void)
static void yy_fatal_error (yyconst char msg[])
int isatty (int)
static int yy_init_globals (void)
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)
 Get the input stream.
void yyset_in (FILE *in_str)
 Set the input stream.
FILE * yyget_out (void)
 Get the output stream.
void yyset_out (FILE *out_str)
int yyget_leng (void)
 Get the length of the current token.
char * yyget_text (void)
 Get the current token.
int yyget_lineno (void)
 Get the current line number.
void yyset_lineno (int line_number)
 Set the current line number.
int yywrap (void)
static void yyunput (int c, char *buf_ptr)
static int input (void)
int yylex (void)
static void yy_fatal_error (yyconst char *msg)

Variables

int yyleng
FILE * yyin = (FILE *) 0
FILE * yyout = (FILE *) 0
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_STATEyy_buffer_stack = 0
 Stack as an array.
static char yy_hold_char
static int yy_n_chars
static char * yy_c_buf_p = (char *) 0
static int yy_init = 0
static int yy_start = 0
static int yy_did_buffer_switch_on_eof
int yylineno = 1
char * yytext
static yyconst flex_int16_t yy_accept [390]
static yyconst flex_int32_t yy_ec [256]
static yyconst flex_int32_t yy_meta [62]
static yyconst flex_int16_t yy_base [401]
static yyconst flex_int16_t yy_def [401]
static yyconst flex_int16_t yy_nxt [541]
static yyconst flex_int16_t yy_chk [541]
static yyconst flex_int32_t yy_rule_can_match_eol [123]
static yy_state_type yy_last_accepting_state
static char * yy_last_accepting_cpos
int yy_flex_debug = 0

Define Documentation

#define BEGIN   (yy_start) = 1 + 2 *

Definition at line 126 of file faustlexer.cpp.

#define comment   1

Definition at line 743 of file faustlexer.cpp.

#define doc   2

Definition at line 744 of file faustlexer.cpp.

Referenced by collectDocEqns(), and printdoccontent().

#define ECHO   do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)

Definition at line 836 of file faustlexer.cpp.

#define EOB_ACT_CONTINUE_SCAN   0

Definition at line 169 of file faustlexer.cpp.

#define EOB_ACT_END_OF_FILE   1

Definition at line 170 of file faustlexer.cpp.

#define EOB_ACT_LAST_MATCH   2

Definition at line 171 of file faustlexer.cpp.

#define FLEX_BETA

Definition at line 14 of file faustlexer.cpp.

#define FLEX_SCANNER

Definition at line 9 of file faustlexer.cpp.

#define INITIAL   0

Definition at line 742 of file faustlexer.cpp.

#define INT16_MAX   (32767)

Definition at line 72 of file faustlexer.cpp.

#define INT16_MIN   (-32767-1)

Definition at line 63 of file faustlexer.cpp.

#define INT32_MAX   (2147483647)

Definition at line 75 of file faustlexer.cpp.

#define INT32_MIN   (-2147483647-1)

Definition at line 66 of file faustlexer.cpp.

#define INT8_MAX   (127)

Definition at line 69 of file faustlexer.cpp.

#define REJECT   reject_used_but_not_detected

Definition at line 725 of file faustlexer.cpp.

#define UINT16_MAX   (65535U)

Definition at line 81 of file faustlexer.cpp.

#define UINT32_MAX   (4294967295U)

Definition at line 84 of file faustlexer.cpp.

#define UINT8_MAX   (255U)

Definition at line 78 of file faustlexer.cpp.

#define unput (  )     yyunput( c, (yytext_ptr) )

Definition at line 202 of file faustlexer.cpp.

 
#define YY_AT_BOL (  )     (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

Definition at line 353 of file faustlexer.cpp.

#define YY_BREAK   break;

Definition at line 915 of file faustlexer.cpp.

#define YY_BUF_SIZE   16384

Definition at line 152 of file faustlexer.cpp.

#define YY_BUFFER_EOF_PENDING   2

Definition at line 269 of file faustlexer.cpp.

#define YY_BUFFER_NEW   0

Definition at line 257 of file faustlexer.cpp.

Referenced by yy_flush_buffer(), and yy_scan_buffer().

#define YY_BUFFER_NORMAL   1

Definition at line 258 of file faustlexer.cpp.

#define YY_CURRENT_BUFFER
#define YY_CURRENT_BUFFER_LVALUE   (yy_buffer_stack)[(yy_buffer_stack_top)]

Definition at line 292 of file faustlexer.cpp.

Referenced by yylex_destroy(), yypop_buffer_state(), and yypush_buffer_state().

#define YY_DECL   int yylex (void)

Definition at line 903 of file faustlexer.cpp.

#define YY_DECL_IS_OURS   1

Definition at line 899 of file faustlexer.cpp.

#define YY_DO_BEFORE_ACTION
Value:
(yytext_ptr) = yy_bp; \
    yyleng = (size_t) (yy_cp - yy_bp); \
    (yy_hold_char) = *yy_cp; \
    *yy_cp = '\0'; \
    (yy_c_buf_p) = yy_cp;

Definition at line 378 of file faustlexer.cpp.

#define YY_END_OF_BUFFER   123

Definition at line 386 of file faustlexer.cpp.

#define YY_END_OF_BUFFER_CHAR   0

Definition at line 141 of file faustlexer.cpp.

Referenced by yy_flush_buffer(), yy_scan_buffer(), and yy_scan_bytes().

#define YY_EXIT_FAILURE   2

Definition at line 2448 of file faustlexer.cpp.

Referenced by yy_fatal_error().

#define YY_EXTRA_TYPE   void *

Definition at line 755 of file faustlexer.cpp.

#define YY_FATAL_ERROR ( msg   )     yy_fatal_error( msg )

Definition at line 890 of file faustlexer.cpp.

Referenced by yy_scan_buffer(), yy_scan_bytes(), and yyensure_buffer_stack().

#define YY_FLEX_MAJOR_VERSION   2

Definition at line 10 of file faustlexer.cpp.

#define YY_FLEX_MINOR_VERSION   5

Definition at line 11 of file faustlexer.cpp.

#define YY_FLEX_SUBMINOR_VERSION   35

Definition at line 12 of file faustlexer.cpp.

#define YY_FLUSH_BUFFER   yy_flush_buffer(YY_CURRENT_BUFFER )

Definition at line 321 of file faustlexer.cpp.

#define YY_INPUT ( buf,
result,
max_size   ) 
Value:
if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
        { \
        int c = '*'; \
        size_t n; \
        for ( n = 0; n < max_size && \
                 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
            buf[n] = (char) c; \
        if ( c == '\n' ) \
            buf[n++] = (char) c; \
        if ( c == EOF && ferror( yyin ) ) \
            YY_FATAL_ERROR( "input in flex scanner failed" ); \
        result = n; \
        } \
    else \
        { \
        errno=0; \
        while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
            { \
            if( errno != EINTR) \
                { \
                YY_FATAL_ERROR( "input in flex scanner failed" ); \
                break; \
                } \
            errno=0; \
            clearerr(yyin); \
            } \
        }\
\

Definition at line 843 of file faustlexer.cpp.

#define YY_INT_ALIGNED   short int

Definition at line 5 of file faustlexer.cpp.

#define YY_LESS_LINENO (  ) 
Value:
do { \
                int yyl;\
                for ( yyl = n; yyl < yyleng; ++yyl )\
                    if ( yytext[yyl] == '\n' )\
                        --yylineno;\
            }while(0)

Definition at line 180 of file faustlexer.cpp.

#define YY_MORE_ADJ   0

Definition at line 727 of file faustlexer.cpp.

#define yy_new_buffer   yy_create_buffer

Definition at line 331 of file faustlexer.cpp.

#define YY_NEW_FILE   yyrestart(yyin )

Definition at line 139 of file faustlexer.cpp.

#define YY_NO_UNISTD_H   1

Definition at line 736 of file faustlexer.cpp.

#define YY_NULL   0

Definition at line 113 of file faustlexer.cpp.

#define YY_NUM_RULES   122

Definition at line 385 of file faustlexer.cpp.

#define YY_READ_BUF_SIZE   8192

Definition at line 827 of file faustlexer.cpp.

#define YY_RESTORE_YY_MORE_OFFSET

Definition at line 728 of file faustlexer.cpp.

#define YY_RULE_SETUP   YY_USER_ACTION

Definition at line 918 of file faustlexer.cpp.

#define YY_SC_TO_UI (  )     ((unsigned int) (unsigned char) c)

Definition at line 120 of file faustlexer.cpp.

#define yy_set_bol ( at_bol   ) 
Value:

Definition at line 343 of file faustlexer.cpp.

#define yy_set_interactive ( is_interactive   ) 
Value:
{ \
    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; \
    }

Definition at line 333 of file faustlexer.cpp.

#define YY_START   (((yy_start) - 1) / 2)

Definition at line 132 of file faustlexer.cpp.

#define YY_START_STACK_INCR   25

Definition at line 885 of file faustlexer.cpp.

#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))

Definition at line 158 of file faustlexer.cpp.

#define YY_STATE_EOF ( state   )     (YY_END_OF_BUFFER + state + 1)

Definition at line 136 of file faustlexer.cpp.

#define YY_STRUCT_YY_BUFFER_STATE

Definition at line 210 of file faustlexer.cpp.

#define YY_TYPEDEF_YY_BUFFER_STATE

Definition at line 161 of file faustlexer.cpp.

#define YY_TYPEDEF_YY_SIZE_T

Definition at line 205 of file faustlexer.cpp.

#define YY_USER_ACTION

Definition at line 910 of file faustlexer.cpp.

#define yyconst

Definition at line 109 of file faustlexer.cpp.

#define yyless (  ) 
Value:
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 )

Definition at line 2460 of file faustlexer.cpp.

#define yyless (  ) 
Value:
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 )

Definition at line 2460 of file faustlexer.cpp.

 
#define yymore (  )     yymore_used_but_not_detected

Definition at line 726 of file faustlexer.cpp.

#define YYSTATE   YY_START

Definition at line 133 of file faustlexer.cpp.

#define YYTABLES_NAME   "yytables"

Definition at line 2653 of file faustlexer.cpp.

 
#define yyterminate (  )     return YY_NULL

Definition at line 880 of file faustlexer.cpp.

#define yytext_ptr   yytext

Definition at line 368 of file faustlexer.cpp.


Typedef Documentation

typedef short int flex_int16_t

Definition at line 52 of file faustlexer.cpp.

typedef int flex_int32_t

Definition at line 53 of file faustlexer.cpp.

typedef signed char flex_int8_t

Definition at line 51 of file faustlexer.cpp.

typedef unsigned short int flex_uint16_t

Definition at line 55 of file faustlexer.cpp.

typedef unsigned int flex_uint32_t

Definition at line 56 of file faustlexer.cpp.

typedef unsigned char flex_uint8_t

Definition at line 54 of file faustlexer.cpp.

Definition at line 162 of file faustlexer.cpp.

typedef unsigned char YY_CHAR

Definition at line 357 of file faustlexer.cpp.

typedef size_t yy_size_t

Definition at line 206 of file faustlexer.cpp.

typedef int yy_state_type

Definition at line 361 of file faustlexer.cpp.


Function Documentation

static int input ( void   )  [static]
int isatty ( int   ) 

Referenced by yy_init_buffer().

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YY_BUFFER_STATE yy_create_buffer ( FILE *  file,
int  size 
)
void yy_delete_buffer ( YY_BUFFER_STATE  b  ) 

Referenced by yylex_destroy(), and yypop_buffer_state().

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static void yy_fatal_error ( yyconst char *  msg  )  [static]

Definition at line 2451 of file faustlexer.cpp.

References YY_EXIT_FAILURE.

02452 {
02453         (void) fprintf( stderr, "%s\n", msg );
02454     exit( YY_EXIT_FAILURE );
02455 }

static void yy_fatal_error ( yyconst char  msg[]  )  [static]
void yy_flush_buffer ( YY_BUFFER_STATE  b  ) 

Discard all buffered characters.

On the next scan, YY_INPUT will be called.

Parameters:
b the buffer state to be flushed, usually YY_CURRENT_BUFFER.

Definition at line 2240 of file faustlexer.cpp.

References yy_buffer_state::yy_at_bol, yy_buffer_state::yy_buf_pos, YY_BUFFER_NEW, yy_buffer_state::yy_buffer_status, yy_buffer_state::yy_ch_buf, YY_CURRENT_BUFFER, YY_END_OF_BUFFER_CHAR, yy_load_buffer_state(), and yy_buffer_state::yy_n_chars.

Referenced by yy_init_buffer().

02241 {
02242         if ( ! b )
02243         return;
02244 
02245     b->yy_n_chars = 0;
02246 
02247     /* We always need two end-of-buffer characters.  The first causes
02248      * a transition to the end-of-buffer state.  The second causes
02249      * a jam in that state.
02250      */
02251     b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
02252     b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
02253 
02254     b->yy_buf_pos = &b->yy_ch_buf[0];
02255 
02256     b->yy_at_bol = 1;
02257     b->yy_buffer_status = YY_BUFFER_NEW;
02258 
02259     if ( b == YY_CURRENT_BUFFER )
02260         yy_load_buffer_state( );
02261 }

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static int yy_get_next_buffer ( void   )  [static]
static yy_state_type yy_get_previous_state ( void   )  [static]
static void yy_init_buffer ( YY_BUFFER_STATE  b,
FILE *  file 
) [static]

The main scanner function which does all the work.

Definition at line 2212 of file faustlexer.cpp.

References isatty(), yy_buffer_state::yy_bs_column, yy_buffer_state::yy_bs_lineno, YY_CURRENT_BUFFER, yy_buffer_state::yy_fill_buffer, yy_flush_buffer(), yy_buffer_state::yy_input_file, and yy_buffer_state::yy_is_interactive.

02214 {
02215     int oerrno = errno;
02216     
02217     yy_flush_buffer(b );
02218 
02219     b->yy_input_file = file;
02220     b->yy_fill_buffer = 1;
02221 
02222     /* If b is the current buffer, then yy_init_buffer was _probably_
02223      * called from yyrestart() or through yy_get_next_buffer.
02224      * In that case, we don't want to reset the lineno or column.
02225      */
02226     if (b != YY_CURRENT_BUFFER){
02227         b->yy_bs_lineno = 1;
02228         b->yy_bs_column = 0;
02229     }
02230 
02231         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
02232     
02233     errno = oerrno;
02234 }

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static int yy_init_globals ( void   )  [static]

Definition at line 2554 of file faustlexer.cpp.

References yy_buffer_stack_max, yy_buffer_stack_top, yy_c_buf_p, yy_init, yy_start, yyin, and yyout.

Referenced by yylex_destroy().

02555 {
02556         /* Initialization is the same as for the non-reentrant scanner.
02557      * This function is called from yylex_destroy(), so don't allocate here.
02558      */
02559 
02560     /* We do not touch yylineno unless the option is enabled. */
02561     yylineno =  1;
02562     
02563     (yy_buffer_stack) = 0;
02564     (yy_buffer_stack_top) = 0;
02565     (yy_buffer_stack_max) = 0;
02566     (yy_c_buf_p) = (char *) 0;
02567     (yy_init) = 0;
02568     (yy_start) = 0;
02569 
02570 /* Defined in main.c */
02571 #ifdef YY_STDINIT
02572     yyin = stdin;
02573     yyout = stdout;
02574 #else
02575     yyin = (FILE *) 0;
02576     yyout = (FILE *) 0;
02577 #endif
02578 
02579     /* For future reference: Set errno on error, since we are called by
02580      * yylex_init()
02581      */
02582     return 0;
02583 }

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static void yy_load_buffer_state ( void   )  [static]

Referenced by yy_flush_buffer(), yypop_buffer_state(), and yypush_buffer_state().

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YY_BUFFER_STATE yy_scan_buffer ( char *  base,
yy_size_t  size 
)

Setup the input buffer state to scan directly from a user-specified character buffer.

Parameters:
base the character buffer
size the size in bytes of the character buffer
Returns:
the newly allocated buffer state object.

Definition at line 2367 of file faustlexer.cpp.

References yy_buffer_state::yy_at_bol, yy_buffer_state::yy_buf_pos, yy_buffer_state::yy_buf_size, YY_BUFFER_NEW, yy_buffer_state::yy_buffer_status, yy_buffer_state::yy_ch_buf, YY_END_OF_BUFFER_CHAR, YY_FATAL_ERROR, yy_buffer_state::yy_fill_buffer, yy_buffer_state::yy_input_file, yy_buffer_state::yy_is_interactive, yy_buffer_state::yy_is_our_buffer, yy_buffer_state::yy_n_chars, yy_switch_to_buffer(), and yyalloc().

Referenced by yy_scan_bytes().

02368 {
02369     YY_BUFFER_STATE b;
02370     
02371     if ( size < 2 ||
02372          base[size-2] != YY_END_OF_BUFFER_CHAR ||
02373          base[size-1] != YY_END_OF_BUFFER_CHAR )
02374         /* They forgot to leave room for the EOB's. */
02375         return 0;
02376 
02377     b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state )  );
02378     if ( ! b )
02379         YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
02380 
02381     b->yy_buf_size = size - 2;  /* "- 2" to take care of EOB's */
02382     b->yy_buf_pos = b->yy_ch_buf = base;
02383     b->yy_is_our_buffer = 0;
02384     b->yy_input_file = 0;
02385     b->yy_n_chars = b->yy_buf_size;
02386     b->yy_is_interactive = 0;
02387     b->yy_at_bol = 1;
02388     b->yy_fill_buffer = 0;
02389     b->yy_buffer_status = YY_BUFFER_NEW;
02390 
02391     yy_switch_to_buffer(b  );
02392 
02393     return b;
02394 }

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YY_BUFFER_STATE yy_scan_bytes ( yyconst char *  yybytes,
int  _yybytes_len 
)

Setup the input buffer state to scan the given bytes.

The next call to yylex() will scan from a copy of bytes.

Parameters:
yybytes the byte buffer to scan
_yybytes_len the number of bytes in the buffer pointed to by bytes.
Returns:
the newly allocated buffer state object.

Definition at line 2417 of file faustlexer.cpp.

References YY_END_OF_BUFFER_CHAR, YY_FATAL_ERROR, yy_buffer_state::yy_is_our_buffer, yy_scan_buffer(), and yyalloc().

Referenced by yy_scan_string().

02418 {
02419     YY_BUFFER_STATE b;
02420     char *buf;
02421     yy_size_t n;
02422     int i;
02423     
02424     /* Get memory for full buffer, including space for trailing EOB's. */
02425     n = _yybytes_len + 2;
02426     buf = (char *) yyalloc(n  );
02427     if ( ! buf )
02428         YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
02429 
02430     for ( i = 0; i < _yybytes_len; ++i )
02431         buf[i] = yybytes[i];
02432 
02433     buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
02434 
02435     b = yy_scan_buffer(buf,n );
02436     if ( ! b )
02437         YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
02438 
02439     /* It's okay to grow etc. this buffer, and we should throw it
02440      * away when we're done.
02441      */
02442     b->yy_is_our_buffer = 1;
02443 
02444     return b;
02445 }

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YY_BUFFER_STATE yy_scan_string ( yyconst char *  yystr  ) 

Setup the input buffer state to scan a string.

The next call to yylex() will scan from a copy of str.

Parameters:
yystr a NUL-terminated string to scan
Returns:
the newly allocated buffer state object.
Note:
If you want to scan bytes that may contain NUL values, then use yy_scan_bytes() instead.

Definition at line 2404 of file faustlexer.cpp.

References yy_scan_bytes().

02405 {
02406     
02407     return yy_scan_bytes(yystr,strlen(yystr) );
02408 }

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void yy_switch_to_buffer ( YY_BUFFER_STATE  new_buffer  ) 

Referenced by yy_scan_buffer().

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static yy_state_type yy_try_NUL_trans ( yy_state_type  current_state  )  [static]
void * yyalloc ( yy_size_t  size  ) 

Definition at line 2631 of file faustlexer.cpp.

Referenced by yy_scan_buffer(), yy_scan_bytes(), and yyensure_buffer_stack().

02632 {
02633     return (void *) malloc( size );
02634 }

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static void yyensure_buffer_stack ( void   )  [static]

Definition at line 2318 of file faustlexer.cpp.

References yy_buffer_stack_max, yy_buffer_stack_top, YY_FATAL_ERROR, yyalloc(), and yyrealloc().

Referenced by yypush_buffer_state().

02319 {
02320     int num_to_alloc;
02321     
02322     if (!(yy_buffer_stack)) {
02323 
02324         /* First allocation is just for 2 elements, since we don't know if this
02325          * scanner will even need a stack. We use 2 instead of 1 to avoid an
02326          * immediate realloc on the next call.
02327          */
02328         num_to_alloc = 1;
02329         (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
02330                                 (num_to_alloc * sizeof(struct yy_buffer_state*)
02331                                 );
02332         if ( ! (yy_buffer_stack) )
02333             YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
02334                                   
02335         memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
02336                 
02337         (yy_buffer_stack_max) = num_to_alloc;
02338         (yy_buffer_stack_top) = 0;
02339         return;
02340     }
02341 
02342     if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
02343 
02344         /* Increase the buffer to prepare for a possible push. */
02345         int grow_size = 8 /* arbitrary grow size */;
02346 
02347         num_to_alloc = (yy_buffer_stack_max) + grow_size;
02348         (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
02349                                 ((yy_buffer_stack),
02350                                 num_to_alloc * sizeof(struct yy_buffer_state*)
02351                                 );
02352         if ( ! (yy_buffer_stack) )
02353             YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
02354 
02355         /* zero only the new slots.*/
02356         memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
02357         (yy_buffer_stack_max) = num_to_alloc;
02358     }
02359 }

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void yyfree ( void *  ptr  ) 

Definition at line 2648 of file faustlexer.cpp.

Referenced by yylex_destroy().

02649 {
02650     free( (char *) ptr );   /* see yyrealloc() for (char *) cast */
02651 }

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int yyget_debug ( void   ) 

Definition at line 2544 of file faustlexer.cpp.

02545 {
02546         return yy_flex_debug;
02547 }

YY_EXTRA_TYPE yyget_extra ( void   ) 
FILE * yyget_in ( void   ) 

Get the input stream.

Definition at line 2488 of file faustlexer.cpp.

References yyin.

02489 {
02490         return yyin;
02491 }

int yyget_leng ( void   ) 

Get the length of the current token.

Definition at line 2504 of file faustlexer.cpp.

References yyleng.

02505 {
02506         return yyleng;
02507 }

int yyget_lineno ( void   ) 

Get the current line number.

Definition at line 2479 of file faustlexer.cpp.

02480 {
02481         
02482     return yylineno;
02483 }

FILE * yyget_out ( void   ) 

Get the output stream.

Definition at line 2496 of file faustlexer.cpp.

References yyout.

02497 {
02498         return yyout;
02499 }

char * yyget_text ( void   ) 

Get the current token.

Definition at line 2513 of file faustlexer.cpp.

02514 {
02515         return yytext;
02516 }

int yylex ( void   ) 
int yylex_destroy ( void   ) 

Definition at line 2586 of file faustlexer.cpp.

References YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yy_delete_buffer(), yy_init_globals(), yyfree(), and yypop_buffer_state().

02587 {
02588     
02589     /* Pop the buffer stack, destroying each element. */
02590     while(YY_CURRENT_BUFFER){
02591         yy_delete_buffer(YY_CURRENT_BUFFER  );
02592         YY_CURRENT_BUFFER_LVALUE = NULL;
02593         yypop_buffer_state();
02594     }
02595 
02596     /* Destroy the stack itself. */
02597     yyfree((yy_buffer_stack) );
02598     (yy_buffer_stack) = NULL;
02599 
02600     /* Reset the globals. This is important in a non-reentrant scanner so the next time
02601      * yylex() is called, initialization will occur. */
02602     yy_init_globals( );
02603 
02604     return 0;
02605 }

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void yypop_buffer_state ( void   ) 

Removes and deletes the top of the stack, if present.

The next element becomes the new top.

Definition at line 2299 of file faustlexer.cpp.

References yy_buffer_stack_top, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yy_delete_buffer(), yy_did_buffer_switch_on_eof, and yy_load_buffer_state().

Referenced by yylex_destroy().

02300 {
02301         if (!YY_CURRENT_BUFFER)
02302         return;
02303 
02304     yy_delete_buffer(YY_CURRENT_BUFFER );
02305     YY_CURRENT_BUFFER_LVALUE = NULL;
02306     if ((yy_buffer_stack_top) > 0)
02307         --(yy_buffer_stack_top);
02308 
02309     if (YY_CURRENT_BUFFER) {
02310         yy_load_buffer_state( );
02311         (yy_did_buffer_switch_on_eof) = 1;
02312     }
02313 }

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void yypush_buffer_state ( YY_BUFFER_STATE  new_buffer  ) 

Pushes the new state onto the stack.

The new state becomes the current state. This function will allocate the stack if necessary.

Parameters:
new_buffer The new state.

Definition at line 2269 of file faustlexer.cpp.

References yy_buffer_stack_top, yy_c_buf_p, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yy_did_buffer_switch_on_eof, yy_hold_char, yy_load_buffer_state(), yy_n_chars, and yyensure_buffer_stack().

02270 {
02271         if (new_buffer == NULL)
02272         return;
02273 
02274     yyensure_buffer_stack();
02275 
02276     /* This block is copied from yy_switch_to_buffer. */
02277     if ( YY_CURRENT_BUFFER )
02278         {
02279         /* Flush out information for old buffer. */
02280         *(yy_c_buf_p) = (yy_hold_char);
02281         YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
02282         YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
02283         }
02284 
02285     /* Only push if top exists. Otherwise, replace top. */
02286     if (YY_CURRENT_BUFFER)
02287         (yy_buffer_stack_top)++;
02288     YY_CURRENT_BUFFER_LVALUE = new_buffer;
02289 
02290     /* copied from yy_switch_to_buffer. */
02291     yy_load_buffer_state( );
02292     (yy_did_buffer_switch_on_eof) = 1;
02293 }

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void * yyrealloc ( void *  ptr,
yy_size_t  size 
)

Definition at line 2636 of file faustlexer.cpp.

Referenced by yyensure_buffer_stack().

02637 {
02638     /* The cast to (char *) in the following accommodates both
02639      * implementations that use char* generic pointers, and those
02640      * that use void* generic pointers.  It works with the latter
02641      * because both ANSI C and C++ allow castless assignment from
02642      * any pointer type to void*, and deal with argument conversions
02643      * as though doing an assignment.
02644      */
02645     return (void *) realloc( (char *) ptr, size );
02646 }

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void yyrestart ( FILE *  input_file  ) 
void yyset_debug ( int  debug_flag  ) 

Definition at line 2549 of file faustlexer.cpp.

02550 {
02551         yy_flex_debug = bdebug ;
02552 }

void yyset_extra ( YY_EXTRA_TYPE  user_defined  ) 
void yyset_in ( FILE *  in_str  ) 

Set the input stream.

This does not discard the current input buffer.

Parameters:
in_str A readable stream.
See also:
yy_switch_to_buffer

Definition at line 2534 of file faustlexer.cpp.

References yyin.

02535 {
02536         yyin = in_str ;
02537 }

void yyset_lineno ( int  line_number  ) 

Set the current line number.

Parameters:
line_number 

Definition at line 2522 of file faustlexer.cpp.

02523 {
02524     
02525     yylineno = line_number;
02526 }

void yyset_out ( FILE *  out_str  ) 

Definition at line 2539 of file faustlexer.cpp.

References yyout.

02540 {
02541         yyout = out_str ;
02542 }

static void yyunput ( int  c,
char *  buf_ptr 
) [static]
int yywrap ( void   ) 

Definition at line 2658 of file faustlexer.cpp.

02658 { return 1; }


Variable Documentation

yyconst flex_int16_t yy_accept[390] [static]

Definition at line 394 of file faustlexer.cpp.

yyconst flex_int16_t yy_base[401] [static]

Definition at line 483 of file faustlexer.cpp.

Stack as an array.

Definition at line 277 of file faustlexer.cpp.

size_t yy_buffer_stack_max = 0 [static]

capacity of stack.

Definition at line 276 of file faustlexer.cpp.

Referenced by yy_init_globals(), and yyensure_buffer_stack().

size_t yy_buffer_stack_top = 0 [static]

index of top of stack.

Definition at line 275 of file faustlexer.cpp.

Referenced by yy_init_globals(), yyensure_buffer_stack(), yypop_buffer_state(), and yypush_buffer_state().

char* yy_c_buf_p = (char *) 0 [static]

Definition at line 300 of file faustlexer.cpp.

Referenced by yy_init_globals(), and yypush_buffer_state().

yyconst flex_int16_t yy_chk[541] [static]

Definition at line 642 of file faustlexer.cpp.

yyconst flex_int16_t yy_def[401] [static]

Definition at line 531 of file faustlexer.cpp.

Definition at line 307 of file faustlexer.cpp.

Referenced by yypop_buffer_state(), and yypush_buffer_state().

yyconst flex_int32_t yy_ec[256] [static]

Definition at line 440 of file faustlexer.cpp.

int yy_flex_debug = 0

Definition at line 720 of file faustlexer.cpp.

char yy_hold_char [static]

Definition at line 295 of file faustlexer.cpp.

Referenced by yypush_buffer_state().

int yy_init = 0 [static]

Definition at line 301 of file faustlexer.cpp.

Referenced by yy_init_globals().

char* yy_last_accepting_cpos [static]

Definition at line 717 of file faustlexer.cpp.

Definition at line 716 of file faustlexer.cpp.

yyconst flex_int32_t yy_meta[62] [static]
Initial value:
    {   0,
        1,    1,    2,    2,    1,    1,    1,    1,    1,    1,
        1,    1,    3,    1,    1,    1,    4,    4,    5,    5,
        5,    5,    5,    4,    1,    4,    4,    4,    1,    6,
        1,    1,    5,    6,    6,    6,    6,    6,    6,    6,
        6,    6,    6,    6,    6,    6,    6,    6,    6,    6,
        6,    6,    6,    6,    6,    6,    6,    1,    1,    1,
        1
    }

Definition at line 472 of file faustlexer.cpp.

int yy_n_chars [static]

Definition at line 296 of file faustlexer.cpp.

Referenced by yypush_buffer_state().

yyconst flex_int16_t yy_nxt[541] [static]

Definition at line 579 of file faustlexer.cpp.

yyconst flex_int32_t yy_rule_can_match_eol[123] [static]
Initial value:
    {   0,
0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 
    1, 0, 0,     }

Definition at line 706 of file faustlexer.cpp.

int yy_start = 0 [static]

Definition at line 302 of file faustlexer.cpp.

Referenced by yy_init_globals().

FILE* yyin = (FILE *) 0

Definition at line 359 of file faustlexer.cpp.

int yyleng

Definition at line 297 of file faustlexer.cpp.

Referenced by yyget_leng().

int yylineno = 1

Definition at line 365 of file faustlexer.cpp.

FILE * yyout = (FILE *) 0

Definition at line 359 of file faustlexer.cpp.

Referenced by yy_init_globals(), yyget_out(), and yyset_out().

char * yytext

Definition at line 729 of file faustlexer.cpp.

Referenced by yyparse().

Generated on Wed Apr 28 23:45:49 2010 for FAUST compiler by  doxygen 1.6.3