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   134
#define YY_END_OF_BUFFER   135
#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 lst   3
#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 [458]
static yyconst flex_int32_t yy_ec [256]
static yyconst flex_int32_t yy_meta [64]
static yyconst flex_int16_t yy_base [470]
static yyconst flex_int16_t yy_def [470]
static yyconst flex_int16_t yy_nxt [668]
static yyconst flex_int16_t yy_chk [668]
static yyconst flex_int32_t yy_rule_can_match_eol [135]
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 794 of file faustlexer.cpp.

#define doc   2

Definition at line 795 of file faustlexer.cpp.

Referenced by collectDocEqns(), and printdoccontent().

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

Definition at line 888 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 793 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 lst   3

Definition at line 796 of file faustlexer.cpp.

#define REJECT   reject_used_but_not_detected

Definition at line 775 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 967 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 955 of file faustlexer.cpp.

#define YY_DECL_IS_OURS   1

Definition at line 951 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   135

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 2561 of file faustlexer.cpp.

Referenced by yy_fatal_error().

#define YY_EXTRA_TYPE   void *

Definition at line 807 of file faustlexer.cpp.

#define YY_FATAL_ERROR ( msg   )     yy_fatal_error( msg )

Definition at line 942 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 895 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 777 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 786 of file faustlexer.cpp.

#define YY_NULL   0

Definition at line 113 of file faustlexer.cpp.

#define YY_NUM_RULES   134

Definition at line 385 of file faustlexer.cpp.

#define YY_READ_BUF_SIZE   8192

Definition at line 879 of file faustlexer.cpp.

#define YY_RESTORE_YY_MORE_OFFSET

Definition at line 778 of file faustlexer.cpp.

#define YY_RULE_SETUP   YY_USER_ACTION

Definition at line 970 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 937 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 962 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 2573 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 2573 of file faustlexer.cpp.

 
#define yymore (  )     yymore_used_but_not_detected

Definition at line 776 of file faustlexer.cpp.

#define YYSTATE   YY_START

Definition at line 133 of file faustlexer.cpp.

#define YYTABLES_NAME   "yytables"

Definition at line 2766 of file faustlexer.cpp.

 
#define yyterminate (  )     return YY_NULL

Definition at line 932 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 2564 of file faustlexer.cpp.

References YY_EXIT_FAILURE.

02565 {
02566         (void) fprintf( stderr, "%s\n", msg );
02567     exit( YY_EXIT_FAILURE );
02568 }

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 2353 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().

02354 {
02355         if ( ! b )
02356         return;
02357 
02358     b->yy_n_chars = 0;
02359 
02360     /* We always need two end-of-buffer characters.  The first causes
02361      * a transition to the end-of-buffer state.  The second causes
02362      * a jam in that state.
02363      */
02364     b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
02365     b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
02366 
02367     b->yy_buf_pos = &b->yy_ch_buf[0];
02368 
02369     b->yy_at_bol = 1;
02370     b->yy_buffer_status = YY_BUFFER_NEW;
02371 
02372     if ( b == YY_CURRENT_BUFFER )
02373         yy_load_buffer_state( );
02374 }

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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 2325 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.

02327 {
02328     int oerrno = errno;
02329     
02330     yy_flush_buffer(b );
02331 
02332     b->yy_input_file = file;
02333     b->yy_fill_buffer = 1;
02334 
02335     /* If b is the current buffer, then yy_init_buffer was _probably_
02336      * called from yyrestart() or through yy_get_next_buffer.
02337      * In that case, we don't want to reset the lineno or column.
02338      */
02339     if (b != YY_CURRENT_BUFFER){
02340         b->yy_bs_lineno = 1;
02341         b->yy_bs_column = 0;
02342     }
02343 
02344         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
02345     
02346     errno = oerrno;
02347 }

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static int yy_init_globals ( void   )  [static]

Definition at line 2667 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().

02668 {
02669         /* Initialization is the same as for the non-reentrant scanner.
02670      * This function is called from yylex_destroy(), so don't allocate here.
02671      */
02672 
02673     /* We do not touch yylineno unless the option is enabled. */
02674     yylineno =  1;
02675     
02676     (yy_buffer_stack) = 0;
02677     (yy_buffer_stack_top) = 0;
02678     (yy_buffer_stack_max) = 0;
02679     (yy_c_buf_p) = (char *) 0;
02680     (yy_init) = 0;
02681     (yy_start) = 0;
02682 
02683 /* Defined in main.c */
02684 #ifdef YY_STDINIT
02685     yyin = stdin;
02686     yyout = stdout;
02687 #else
02688     yyin = (FILE *) 0;
02689     yyout = (FILE *) 0;
02690 #endif
02691 
02692     /* For future reference: Set errno on error, since we are called by
02693      * yylex_init()
02694      */
02695     return 0;
02696 }

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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 2480 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().

02481 {
02482     YY_BUFFER_STATE b;
02483     
02484     if ( size < 2 ||
02485          base[size-2] != YY_END_OF_BUFFER_CHAR ||
02486          base[size-1] != YY_END_OF_BUFFER_CHAR )
02487         /* They forgot to leave room for the EOB's. */
02488         return 0;
02489 
02490     b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state )  );
02491     if ( ! b )
02492         YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
02493 
02494     b->yy_buf_size = size - 2;  /* "- 2" to take care of EOB's */
02495     b->yy_buf_pos = b->yy_ch_buf = base;
02496     b->yy_is_our_buffer = 0;
02497     b->yy_input_file = 0;
02498     b->yy_n_chars = b->yy_buf_size;
02499     b->yy_is_interactive = 0;
02500     b->yy_at_bol = 1;
02501     b->yy_fill_buffer = 0;
02502     b->yy_buffer_status = YY_BUFFER_NEW;
02503 
02504     yy_switch_to_buffer(b  );
02505 
02506     return b;
02507 }

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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 2530 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().

02531 {
02532     YY_BUFFER_STATE b;
02533     char *buf;
02534     yy_size_t n;
02535     int i;
02536     
02537     /* Get memory for full buffer, including space for trailing EOB's. */
02538     n = _yybytes_len + 2;
02539     buf = (char *) yyalloc(n  );
02540     if ( ! buf )
02541         YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
02542 
02543     for ( i = 0; i < _yybytes_len; ++i )
02544         buf[i] = yybytes[i];
02545 
02546     buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
02547 
02548     b = yy_scan_buffer(buf,n );
02549     if ( ! b )
02550         YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
02551 
02552     /* It's okay to grow etc. this buffer, and we should throw it
02553      * away when we're done.
02554      */
02555     b->yy_is_our_buffer = 1;
02556 
02557     return b;
02558 }

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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 2517 of file faustlexer.cpp.

References yy_scan_bytes().

02518 {
02519     
02520     return yy_scan_bytes(yystr,strlen(yystr) );
02521 }

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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 2744 of file faustlexer.cpp.

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

02745 {
02746     return (void *) malloc( size );
02747 }

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static void yyensure_buffer_stack ( void   )  [static]

Definition at line 2431 of file faustlexer.cpp.

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

Referenced by yypush_buffer_state().

02432 {
02433     int num_to_alloc;
02434     
02435     if (!(yy_buffer_stack)) {
02436 
02437         /* First allocation is just for 2 elements, since we don't know if this
02438          * scanner will even need a stack. We use 2 instead of 1 to avoid an
02439          * immediate realloc on the next call.
02440          */
02441         num_to_alloc = 1;
02442         (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
02443                                 (num_to_alloc * sizeof(struct yy_buffer_state*)
02444                                 );
02445         if ( ! (yy_buffer_stack) )
02446             YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
02447                                   
02448         memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
02449                 
02450         (yy_buffer_stack_max) = num_to_alloc;
02451         (yy_buffer_stack_top) = 0;
02452         return;
02453     }
02454 
02455     if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
02456 
02457         /* Increase the buffer to prepare for a possible push. */
02458         int grow_size = 8 /* arbitrary grow size */;
02459 
02460         num_to_alloc = (yy_buffer_stack_max) + grow_size;
02461         (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
02462                                 ((yy_buffer_stack),
02463                                 num_to_alloc * sizeof(struct yy_buffer_state*)
02464                                 );
02465         if ( ! (yy_buffer_stack) )
02466             YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
02467 
02468         /* zero only the new slots.*/
02469         memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
02470         (yy_buffer_stack_max) = num_to_alloc;
02471     }
02472 }

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void yyfree ( void *  ptr  ) 

Definition at line 2761 of file faustlexer.cpp.

Referenced by yylex_destroy().

02762 {
02763     free( (char *) ptr );   /* see yyrealloc() for (char *) cast */
02764 }

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int yyget_debug ( void   ) 

Definition at line 2657 of file faustlexer.cpp.

02658 {
02659         return yy_flex_debug;
02660 }

YY_EXTRA_TYPE yyget_extra ( void   ) 
FILE * yyget_in ( void   ) 

Get the input stream.

Definition at line 2601 of file faustlexer.cpp.

References yyin.

02602 {
02603         return yyin;
02604 }

int yyget_leng ( void   ) 

Get the length of the current token.

Definition at line 2617 of file faustlexer.cpp.

References yyleng.

02618 {
02619         return yyleng;
02620 }

int yyget_lineno ( void   ) 

Get the current line number.

Definition at line 2592 of file faustlexer.cpp.

02593 {
02594         
02595     return yylineno;
02596 }

FILE * yyget_out ( void   ) 

Get the output stream.

Definition at line 2609 of file faustlexer.cpp.

References yyout.

02610 {
02611         return yyout;
02612 }

char * yyget_text ( void   ) 

Get the current token.

Definition at line 2626 of file faustlexer.cpp.

02627 {
02628         return yytext;
02629 }

int yylex ( void   ) 
int yylex_destroy ( void   ) 

Definition at line 2699 of file faustlexer.cpp.

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

02700 {
02701     
02702     /* Pop the buffer stack, destroying each element. */
02703     while(YY_CURRENT_BUFFER){
02704         yy_delete_buffer(YY_CURRENT_BUFFER  );
02705         YY_CURRENT_BUFFER_LVALUE = NULL;
02706         yypop_buffer_state();
02707     }
02708 
02709     /* Destroy the stack itself. */
02710     yyfree((yy_buffer_stack) );
02711     (yy_buffer_stack) = NULL;
02712 
02713     /* Reset the globals. This is important in a non-reentrant scanner so the next time
02714      * yylex() is called, initialization will occur. */
02715     yy_init_globals( );
02716 
02717     return 0;
02718 }

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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 2412 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().

02413 {
02414         if (!YY_CURRENT_BUFFER)
02415         return;
02416 
02417     yy_delete_buffer(YY_CURRENT_BUFFER );
02418     YY_CURRENT_BUFFER_LVALUE = NULL;
02419     if ((yy_buffer_stack_top) > 0)
02420         --(yy_buffer_stack_top);
02421 
02422     if (YY_CURRENT_BUFFER) {
02423         yy_load_buffer_state( );
02424         (yy_did_buffer_switch_on_eof) = 1;
02425     }
02426 }

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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 2382 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().

02383 {
02384         if (new_buffer == NULL)
02385         return;
02386 
02387     yyensure_buffer_stack();
02388 
02389     /* This block is copied from yy_switch_to_buffer. */
02390     if ( YY_CURRENT_BUFFER )
02391         {
02392         /* Flush out information for old buffer. */
02393         *(yy_c_buf_p) = (yy_hold_char);
02394         YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
02395         YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
02396         }
02397 
02398     /* Only push if top exists. Otherwise, replace top. */
02399     if (YY_CURRENT_BUFFER)
02400         (yy_buffer_stack_top)++;
02401     YY_CURRENT_BUFFER_LVALUE = new_buffer;
02402 
02403     /* copied from yy_switch_to_buffer. */
02404     yy_load_buffer_state( );
02405     (yy_did_buffer_switch_on_eof) = 1;
02406 }

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void * yyrealloc ( void *  ptr,
yy_size_t  size 
)

Definition at line 2749 of file faustlexer.cpp.

Referenced by yyensure_buffer_stack().

02750 {
02751     /* The cast to (char *) in the following accommodates both
02752      * implementations that use char* generic pointers, and those
02753      * that use void* generic pointers.  It works with the latter
02754      * because both ANSI C and C++ allow castless assignment from
02755      * any pointer type to void*, and deal with argument conversions
02756      * as though doing an assignment.
02757      */
02758     return (void *) realloc( (char *) ptr, size );
02759 }

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

Definition at line 2662 of file faustlexer.cpp.

02663 {
02664         yy_flex_debug = bdebug ;
02665 }

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 2647 of file faustlexer.cpp.

References yyin.

02648 {
02649         yyin = in_str ;
02650 }

void yyset_lineno ( int  line_number  ) 

Set the current line number.

Parameters:
line_number 

Definition at line 2635 of file faustlexer.cpp.

02636 {
02637     
02638     yylineno = line_number;
02639 }

void yyset_out ( FILE *  out_str  ) 

Definition at line 2652 of file faustlexer.cpp.

References yyout.

02653 {
02654         yyout = out_str ;
02655 }

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

Definition at line 2771 of file faustlexer.cpp.

02771 { return 1; }


Variable Documentation

yyconst flex_int16_t yy_accept[458] [static]

Definition at line 394 of file faustlexer.cpp.

yyconst flex_int16_t yy_base[470] [static]

Definition at line 491 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[668] [static]

Definition at line 678 of file faustlexer.cpp.

yyconst flex_int16_t yy_def[470] [static]

Definition at line 546 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 448 of file faustlexer.cpp.

int yy_flex_debug = 0

Definition at line 770 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 767 of file faustlexer.cpp.

Definition at line 766 of file faustlexer.cpp.

yyconst flex_int32_t yy_meta[64] [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,    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 480 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[668] [static]

Definition at line 601 of file faustlexer.cpp.

yyconst flex_int32_t yy_rule_can_match_eol[135] [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, 0, 0, 0, 0, 
    0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0,     }

Definition at line 756 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 779 of file faustlexer.cpp.

Referenced by yyparse().

Generated on Tue Aug 10 08:04:13 2010 for FAUST compiler by  doxygen 1.6.3