/* First, we deal with platform-specific or compiler-specific issues. */
/* begin standard C headers. */
/* %if-c-only */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
/* %endif */
/* %if-tables-serialization */
/* %endif */
/* end standard C headers. */
/* %if-c-or-c++ */
/* flex integer type definitions */
#ifndef FLEXINT_H
#define FLEXINT_H
/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
* if you want the limit (max/min) macros for int types.
*/
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t;
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;
/* %not-for-header */
/* Returned upon end-of-file. */
#define YY_NULL 0
/* %ok-for-header */
/* %not-for-header */
/* Promotes a possibly negative, possibly signed char to an
* integer in range [0..255] for use as an array index.
*/
#define YY_SC_TO_UI(c) ((YY_CHAR) (c))
/* %ok-for-header */
/* %if-reentrant */
/* %endif */
/* %if-not-reentrant */
/* %endif */
/* Enter a start condition. This macro really ought to take a parameter,
* but we do it the disgusting crufty way forced on us by the ()-less
* definition of BEGIN.
*/
#define BEGIN (yy_start) = 1 + 2 *
/* Translate the current start state into a value that can be later handed
* to BEGIN to return to the state. The YYSTATE alias is for lex
* compatibility.
*/
#define YY_START (((yy_start) - 1) / 2)
#define YYSTATE YY_START
/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE yyrestart( yyin )
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
* Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
* Ditto for the __ia64__ case accordingly.
*/
#define YY_BUF_SIZE 32768
#else
#define YY_BUF_SIZE 16384
#endif /* __ia64__ */
#endif
/* The state buf must be large enough to hold one state per character in the main buffer.
*/
#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
int yyless_macro_arg = (n); \
YY_LESS_LINENO(yyless_macro_arg);\
*yy_cp = (yy_hold_char); \
YY_RESTORE_YY_MORE_OFFSET \
(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
} \
while ( 0 )
#define unput(c) yyunput( c, (yytext_ptr) )
char *yy_ch_buf; /* input buffer */
char *yy_buf_pos; /* current position in input buffer */
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
int yy_buf_size;
/* Number of characters read into yy_ch_buf, not including EOB
* characters.
*/
int yy_n_chars;
/* Whether we "own" the buffer - i.e., we know we created it,
* and can realloc() it to grow it, and should free() it to
* delete it.
*/
int yy_is_our_buffer;
/* Whether this is an "interactive" input source; if so, and
* if we're using stdio for input, then we want to use getc()
* instead of fread(), to make sure we stop fetching input after
* each newline.
*/
int yy_is_interactive;
/* Whether we're considered to be at the beginning of a line.
* If so, '^' rules will be active on the next match, otherwise
* not.
*/
int yy_at_bol;
int yy_bs_lineno; /**< The line count. */
int yy_bs_column; /**< The column count. */
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
int yy_fill_buffer;
int yy_buffer_status;
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
/* When an EOF's been seen but there's still some text to process
* then we mark the buffer as YY_EOF_PENDING, to indicate that we
* shouldn't try reading from the input source any more. We might
* still have a bunch of tokens to match, though, because of
* possible backing-up.
*
* When we actually see the EOF, we change the status to "new"
* (via yyrestart()), so that the user can continue scanning by
* just pointing yyin at a new input file.
*/
#define YY_BUFFER_EOF_PENDING 2
/* Stack of input buffers. */
static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */
/* %endif */
/* %ok-for-header */
/* %endif */
/* We provide macros for accessing buffer states in case in the
* future we want to put the buffer states in a more general
* "scanner state".
*
* Returns the top of the stack, or NULL.
*/
#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
? (yy_buffer_stack)[(yy_buffer_stack_top)] \
: NULL)
/* Same as previous macro, but useful when we know that the buffer stack is not
* NULL or when we need an lvalue. For internal use only.
*/
#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
/* %if-c-only Standard (non-C++) definition */
/* %if-not-reentrant */
/* %not-for-header */
/* yy_hold_char holds the character lost when yytext is formed. */
static char yy_hold_char;
static int yy_n_chars; /* number of characters read into yy_ch_buf */
int yyleng;
/* Points to current character in buffer. */
static char *yy_c_buf_p = NULL;
static int yy_init = 0; /* whether we need to initialize */
static int yy_start = 0; /* start state number */
/* Flag which is used to allow yywrap()'s to do buffer switches
* instead of setting up a fresh yyin. A bit of a hack ...
*/
static int yy_did_buffer_switch_on_eof;
/* %ok-for-header */
/* The intent behind this definition is that it'll catch
* any uses of REJECT which flex missed.
*/
#define REJECT reject_used_but_not_detected
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "camp.l"
#line 2 "camp.l"
/*****
* camp.l
* Andy Hammerlindl 2002/06/14
*
* The lexical analyzer of the Asymptote language.
*****/
/* For optimization reasons, the operator names are translated into symbols
* just once, and can be accessed throughout the code as SYM_PLUS, SYM_DASHES,
* etc. Following the Don't Repeat Yourself principle, the mapping from
* strings to names is defined only here in camp.l (because we can't produce
* lex rules from a C style macro).
* The script opsymbols.py reads this file scanning for rules using DEFSYMBOL
* and creates opsymbols.h which defines the names for use in C++ code.
*/
#define DEFSYMBOL(name) \
savesymbol(name)
/* Extra symbols can be added by EXTRASYMBOL */
#define EXTRASYMBOL(chars, codename) /* blank */
// Used by the lexer rules to flag an unexpected end of input. The message is
// the error message that should be reported, and may differ if, say the input
// ends in the middle of a string or comment.
void setEOF(string message) {
isEof=true;
eofMessage=message;
}
// Called by code outside of the lexer to see if a parse error was caused by
// running out of input.
bool lexerEOF()
{
return isEof;
}
// Called by code outside of the lexer when it wants to report the unexpected
// eof as an error (instead of looking for more input).
void reportEOF() {
assert(isEof);
error();
em << eofMessage;
em.sync(true);
}
position stringpos; // The position of the start of the string.
string stringbuild; // Stores the string literal as it is read.
void append(char c)
{
stringbuild.push_back(c);
yylval.pos = here();
}
void getstring(void)
{
// NOTE: Replace here() with a position at the start of the string.
yylval.stre = new stringExp(stringpos, stringbuild);
string().swap(stringbuild);
}
}
#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
* down here because we want the user's section 1 to have been scanned first.
* The user has a chance to override it with an option.
*/
/* %if-c-only */
#include <unistd.h>
/* %endif */
/* %if-c++-only */
/* %endif */
#endif
#ifndef YY_NO_INPUT
/* %if-c-only Standard (non-C++) definition */
/* %not-for-header */
#ifdef __cplusplus
static int yyinput ( void );
#else
static int input ( void );
#endif
/* %ok-for-header */
/* %endif */
#endif
/* %if-c-only */
/* %endif */
/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k */
#define YY_READ_BUF_SIZE 16384
#else
#define YY_READ_BUF_SIZE 8192
#endif /* __ia64__ */
#endif
/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* %if-c-only Standard (non-C++) definition */
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0)
/* %endif */
/* %if-c++-only C++ definition */
/* %endif */
#endif
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
* is returned in "result".
*/
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
/* %% [5.0] fread()/read() definition of YY_INPUT goes here unless we're doing C++ \ */\
if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
{ \
int c = '*'; \
int n; \
for ( n = 0; n < max_size && \
(c = getc( yyin )) != EOF && c != '\n'; ++n ) \
buf[n] = (char) c; \
if ( c == '\n' ) \
buf[n++] = (char) c; \
if ( c == EOF && ferror( yyin ) ) \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
result = n; \
} \
else \
{ \
errno=0; \
while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \
{ \
if( errno != EINTR) \
{ \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
break; \
} \
errno=0; \
clearerr(yyin); \
} \
}\
\
/* %if-c++-only C++ definition \ */\
/* %endif */
#endif
/* No semi-colon after return; correct usage is to write "yyterminate();" -
* we don't want an extra ';' after the "return" because that will cause
* some compilers to complain about unreachable statements.
*/
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif
/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif
/* %not-for-header */
/* %tables-yydmap generated elements */
/* %endif */
/* end tables serialization structures and prototypes */
/* %ok-for-header */
/* Default declaration of generated scanner - a define so the user can
* easily add parameters.
*/
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1
/* %if-c-only Standard (non-C++) definition */
extern int yylex (void);
#define YY_DECL int yylex (void)
/* %endif */
/* %if-c++-only C++ definition */
/* %endif */
#endif /* !YY_DECL */
/* Code executed at the beginning of each rule, after yytext and yyleng
* have been set up.
*/
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif
/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK /*LINTED*/break;
#endif
/* %not-for-header */
/** The main scanner function which does all the work.
*/
YY_DECL
{
yy_state_type yy_current_state;
char *yy_cp, *yy_bp;
int yy_act;
if ( !(yy_init) )
{
(yy_init) = 1;
#ifdef YY_USER_INIT
YY_USER_INIT;
#endif
if ( ! (yy_start) )
(yy_start) = 1; /* first start state */
{
/* %% [7.0] user's declarations go here */
#line 211 "camp.l"
#line 1279 "lex.yy.cc"
while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */
{
/* %% [8.0] yymore()-related code goes here */
yy_cp = (yy_c_buf_p);
/* Support of yytext. */
*yy_cp = (yy_hold_char);
/* yy_bp points to the position in yy_ch_buf of the start of
* the current run.
*/
yy_bp = yy_cp;
/* %% [9.0] code to set up and find next match goes here */
yy_current_state = (yy_start);
yy_match:
do
{
YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
if ( yy_accept[yy_current_state] )
{
(yy_last_accepting_state) = yy_current_state;
(yy_last_accepting_cpos) = yy_cp;
}
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 351 )
yy_c = yy_meta[yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
++yy_cp;
}
while ( yy_base[yy_current_state] != 558 );
yy_find_action:
/* %% [10.0] code to find the action number goes here */
yy_act = yy_accept[yy_current_state];
if ( yy_act == 0 )
{ /* have to back up */
yy_cp = (yy_last_accepting_cpos);
yy_current_state = (yy_last_accepting_state);
yy_act = yy_accept[yy_current_state];
}
YY_DO_BEFORE_ACTION;
/* %% [11.0] code for yylineno update goes here */
do_action: /* This label is used only to access EOF actions. */
/* %% [12.0] debug code goes here */
if ( yy_flex_debug )
{
if ( yy_act == 0 )
fprintf( stderr, "--scanner backing up\n" );
else if ( yy_act < 126 )
fprintf( stderr, "--accepting rule at line %ld (\"%s\")\n",
(long)yy_rule_linenum[yy_act], yytext );
else if ( yy_act == 126 )
fprintf( stderr, "--accepting default rule (\"%s\")\n",
yytext );
else if ( yy_act == 127 )
fprintf( stderr, "--(end of buffer or a NUL)\n" );
else
fprintf( stderr, "--EOF (start condition %d)\n", YY_START );
}
switch ( yy_act )
{ /* beginning of action switch */
/* %% [13.0] actions go here */
case 0: /* must back up */
/* undo the effects of YY_DO_BEFORE_ACTION */
*yy_cp = (yy_hold_char);
yy_cp = (yy_last_accepting_cpos);
yy_current_state = (yy_last_accepting_state);
goto yy_find_action;
case 1:
YY_RULE_SETUP
#line 214 "camp.l"
{adjust(); /*commentDepth++;*/}
YY_BREAK
case 2:
YY_RULE_SETUP
#line 215 "camp.l"
{adjust(); /*commentDepth--;*/
/*if (commentDepth == 0)*/ BEGIN INITIAL; }
YY_BREAK
case 3:
/* rule 3 can match eol */
YY_RULE_SETUP
#line 217 "camp.l"
{adjust(); newline(); continue; }
YY_BREAK
case YY_STATE_EOF(lexcomment):
#line 218 "camp.l"
{adjust();
setEOF("comment not terminated");
BEGIN INITIAL;
return GARBAGE;
}
YY_BREAK
case 4:
YY_RULE_SETUP
#line 223 "camp.l"
{adjust(); continue; }
YY_BREAK
case 5:
/* rule 5 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */
YY_LINENO_REWIND_TO(yy_bp + 1);
(yy_c_buf_p) = yy_cp = yy_bp + 1;
YY_DO_BEFORE_ACTION; /* set up yytext again */
YY_RULE_SETUP
#line 227 "camp.l"
{adjust(); BEGIN INITIAL;}
YY_BREAK
case 6:
YY_RULE_SETUP
#line 228 "camp.l"
{adjust();
BEGIN INITIAL;
getstring();
return STRING; }
YY_BREAK
case YY_STATE_EOF(texstring):
#line 232 "camp.l"
{adjust();
setEOF("string not terminated");
BEGIN INITIAL;
getstring();
return GARBAGE;
}
YY_BREAK
case 7:
/* rule 7 can match eol */
YY_RULE_SETUP
#line 238 "camp.l"
{adjust(); newline(); append('\n'); continue; }
YY_BREAK
case 8:
YY_RULE_SETUP
#line 239 "camp.l"
{adjust(); append('\\'); append('\\'); continue; }
YY_BREAK
case 9:
YY_RULE_SETUP
#line 240 "camp.l"
{adjust(); append('\"'); continue; }
YY_BREAK
case 10:
YY_RULE_SETUP
#line 241 "camp.l"
{adjust(); append(*yytext); }
YY_BREAK
case 11:
/* rule 11 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */
YY_LINENO_REWIND_TO(yy_bp + 1);
(yy_c_buf_p) = yy_cp = yy_bp + 1;
YY_DO_BEFORE_ACTION; /* set up yytext again */
YY_RULE_SETUP
#line 245 "camp.l"
{adjust(); BEGIN INITIAL;}
YY_BREAK
case 12:
YY_RULE_SETUP
#line 246 "camp.l"
{adjust();
BEGIN INITIAL;
getstring();
return STRING; }
YY_BREAK
case YY_STATE_EOF(cstring):
#line 250 "camp.l"
{adjust();
setEOF("string not terminated");
BEGIN INITIAL;
getstring();
return GARBAGE;
}
YY_BREAK
case 13:
/* rule 13 can match eol */
YY_RULE_SETUP
#line 256 "camp.l"
{adjust(); newline(); append('\n'); continue; }
YY_BREAK
case 14:
YY_RULE_SETUP
#line 257 "camp.l"
{adjust(); append(yytext[1]); continue; }
YY_BREAK
case 15:
YY_RULE_SETUP
#line 258 "camp.l"
{adjust(); append('\a'); continue; }
YY_BREAK
case 16:
YY_RULE_SETUP
#line 259 "camp.l"
{adjust(); append('\b'); continue; }
YY_BREAK
case 17:
YY_RULE_SETUP
#line 260 "camp.l"
{adjust(); append('\f'); continue; }
YY_BREAK
case 18:
YY_RULE_SETUP
#line 261 "camp.l"
{adjust(); append('\n'); continue; }
YY_BREAK
case 19:
YY_RULE_SETUP
#line 262 "camp.l"
{adjust(); append('\r'); continue; }
YY_BREAK
case 20:
YY_RULE_SETUP
#line 263 "camp.l"
{adjust(); append('\t'); continue; }
YY_BREAK
case 21:
YY_RULE_SETUP
#line 264 "camp.l"
{adjust(); append('\v'); continue; }
YY_BREAK
case 22:
YY_RULE_SETUP
#line 265 "camp.l"
{adjust();
char x=(char)(yytext[1]-'0');
append(x);
continue;
}
YY_BREAK
case 23:
YY_RULE_SETUP
#line 270 "camp.l"
{adjust();
char x=(char)((yytext[1]-'0')*8+yytext[2]-'0');
append(x);
continue;
}
YY_BREAK
case 24:
YY_RULE_SETUP
#line 275 "camp.l"
{adjust();
char x=(char)((yytext[1]-'0')*64+(yytext[2]-'0')*8
+yytext[3]-'0');
append(x);
continue;
}
YY_BREAK
case 25:
YY_RULE_SETUP
#line 281 "camp.l"
{adjust();
char x=(char) (yytext[2] <= '9' ? yytext[2]-'0' :
10+yytext[2]-'A');
append(x);
continue;
}
YY_BREAK
case 26:
YY_RULE_SETUP
#line 287 "camp.l"
{adjust();
char x=(char) ((yytext[2] <= '9' ? yytext[2]-'0' :
10+yytext[2]-'A')*16
+(yytext[3] <= '9' ? yytext[3]-'0' :
10+yytext[3]-'A'));
append(x);
continue;
}
YY_BREAK
case 27:
YY_RULE_SETUP
#line 295 "camp.l"
{adjust(); append(*yytext); }
YY_BREAK
case 115:
YY_RULE_SETUP
#line 412 "camp.l"
{adjust(); continue;}
YY_BREAK
case 116:
/* rule 116 can match eol */
YY_RULE_SETUP
#line 413 "camp.l"
{adjust(); newline(); continue;}
YY_BREAK
case YY_STATE_EOF(opname):
#line 414 "camp.l"
{adjust();
setEOF("missing operator name");
BEGIN INITIAL;
return GARBAGE;
}
YY_BREAK
case 117:
YY_RULE_SETUP
#line 419 "camp.l"
{ savesymbol(SYM_CARET);
BEGIN INITIAL;
return ID;
}
YY_BREAK
case 118:
YY_RULE_SETUP
#line 423 "camp.l"
{
makeopsymbol();
BEGIN INITIAL;
return ID;}
YY_BREAK
case 119:
YY_RULE_SETUP
#line 427 "camp.l"
{
makeopsymbol();
BEGIN INITIAL;
return ID; }
YY_BREAK
case 120:
YY_RULE_SETUP
#line 431 "camp.l"
{}
YY_BREAK
case 121:
YY_RULE_SETUP
#line 434 "camp.l"
{
makesymbol();
return ID; }
YY_BREAK
case 122:
YY_RULE_SETUP
#line 438 "camp.l"
{adjust(); /*commentDepth = 1;*/ BEGIN lexcomment; }
YY_BREAK
case 123:
YY_RULE_SETUP
#line 439 "camp.l"
{startstring(); BEGIN texstring; }
YY_BREAK
case 124:
YY_RULE_SETUP
#line 440 "camp.l"
{startstring(); BEGIN cstring; }
YY_BREAK
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(lexformat):
#line 442 "camp.l"
{ setEOF("unexpected end of input"); yyterminate(); }
YY_BREAK
case 125:
YY_RULE_SETUP
#line 444 "camp.l"
{adjust();
error();
em << "invalid token";
if (isgraph(yytext[0]))
em << " '" << yytext[0] << "'";
}
YY_BREAK
case 126:
YY_RULE_SETUP
#line 450 "camp.l"
ECHO;
YY_BREAK
#line 2117 "lex.yy.cc"
case YY_END_OF_BUFFER:
{
/* Amount of text matched not including the EOB char. */
int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
/* Undo the effects of YY_DO_BEFORE_ACTION. */
*yy_cp = (yy_hold_char);
YY_RESTORE_YY_MORE_OFFSET
if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
{
/* We're scanning a new file or input source. It's
* possible that this happened because the user
* just pointed yyin at a new source and called
* yylex(). If so, then we have to assure
* consistency between YY_CURRENT_BUFFER and our
* globals. Here is the right place to do so, because
* this is the first action (other than possibly a
* back-up) that will match for the new input source.
*/
(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
/* %if-c-only */
YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
/* %endif */
/* %if-c++-only */
/* %endif */
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
}
/* Note that here we test for yy_c_buf_p "<=" to the position
* of the first EOB in the buffer, since yy_c_buf_p will
* already have been incremented past the NUL character
* (since all states make transitions on EOB to the
* end-of-buffer state). Contrast this with the test
* in input().
*/
if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
{ /* This was really a NUL. */
yy_state_type yy_next_state;
/* 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).
*/
if ( yywrap( ) )
{
/* Note: because we've taken care in
* yy_get_next_buffer() to have set up
* yytext, we can now set up
* yy_c_buf_p so that if some total
* hoser (like flex itself) wants to
* call the scanner after we return the
* YY_NULL, it'll still work - another
* YY_NULL will get returned.
*/
(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
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 */
/* yy_get_next_buffer - try to read in a new buffer
*
* Returns a code representing an action:
* EOB_ACT_LAST_MATCH -
* EOB_ACT_CONTINUE_SCAN - continue scanning from current position
* EOB_ACT_END_OF_FILE - end of file
*/
/* %if-c-only */
static int yy_get_next_buffer (void)
/* %endif */
/* %if-c++-only */
/* %endif */
{
char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
char *source = (yytext_ptr);
int number_to_move, i;
int ret_val;
if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
YY_FATAL_ERROR(
"fatal flex scanner internal error--end of buffer missed" );
if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
{ /* Don't try to fill the buffer, so this is an EOF. */
if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
{
/* We matched a single character, the EOB, so
* treat this as a final EOF.
*/
return EOB_ACT_END_OF_FILE;
}
else
{
/* We matched some text prior to the EOB, first
* process it.
*/
return EOB_ACT_LAST_MATCH;
}
}
/* Try to read more data. */
/* First move last chars to start of buffer. */
number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1);
for ( i = 0; i < number_to_move; ++i )
*(dest++) = *(source++);
if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
/* don't do the read, it's not guaranteed to return an EOF,
* just force an EOF
*/
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
else
{
int num_to_read =
YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
while ( num_to_read <= 0 )
{ /* Not enough room in the buffer - grow it. */
/* just a shorter name for the current buffer */
YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
int yy_c_buf_p_offset =
(int) ((yy_c_buf_p) - b->yy_ch_buf);
if ( b->yy_is_our_buffer )
{
int new_size = b->yy_buf_size * 2;
if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
/* Extend the array by 50%, plus the number we really need. */
int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
(void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size );
if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
/* "- 2" to take care of EOB's */
YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
}
/* %% [15.0] code to get the start state into yy_current_state goes here */
yy_current_state = (yy_start);
for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
{
/* %% [16.0] code to find the next state goes here */
YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
if ( yy_accept[yy_current_state] )
{
(yy_last_accepting_state) = yy_current_state;
(yy_last_accepting_cpos) = yy_cp;
}
while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
{
yy_current_state = (int) yy_def[yy_current_state];
if ( yy_current_state >= 351 )
yy_c = yy_meta[yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
}
return yy_current_state;
}
/* yy_try_NUL_trans - try to make a transition on the NUL character
*
* synopsis
* next_state = yy_try_NUL_trans( current_state );
*/
/* %if-c-only */
static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
/* %endif */
/* %if-c++-only */
/* %endif */
{
int yy_is_jam;
/* %% [17.0] code to find the next state, and perhaps do backing up, goes here */
char *yy_cp = (yy_c_buf_p);
/* undo effects of setting up yytext */
*yy_cp = (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_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;
if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
{
/* yy_c_buf_p now points to the character we want to return.
* If this occurs *before* the EOB characters, then it's a
* valid NUL; if not, then we've hit the end of the buffer.
*/
if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
/* This was really a NUL. */
*(yy_c_buf_p) = '\0';
else
{ /* need more input */
int offset = (int) ((yy_c_buf_p) - (yytext_ptr));
++(yy_c_buf_p);
switch ( yy_get_next_buffer( ) )
{
case EOB_ACT_LAST_MATCH:
/* This happens because yy_g_n_b()
* sees that we've accumulated a
* token and flags that we need to
* try matching the token before
* proceeding. But for input(),
* there's no matching to consider.
* So convert the EOB_ACT_LAST_MATCH
* to EOB_ACT_END_OF_FILE.
*/
/* Reset buffer status. */
yyrestart( yyin );
/*FALLTHROUGH*/
case EOB_ACT_END_OF_FILE:
{
if ( yywrap( ) )
return 0;
/** Immediately switch to a different input stream.
* @param input_file A readable stream.
*
* @note This function does not reset the start condition to @c INITIAL .
*/
/* %if-c-only */
void yyrestart (FILE * input_file )
/* %endif */
/* %if-c++-only */
/* %endif */
{
/** Switch to a different input buffer.
* @param new_buffer The new input buffer.
*
*/
/* %if-c-only */
void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
/* %endif */
/* %if-c++-only */
/* %endif */
{
/* TODO. We should be able to replace this entire function body
* with
* yypop_buffer_state();
* yypush_buffer_state(new_buffer);
*/
yyensure_buffer_stack ();
if ( YY_CURRENT_BUFFER == new_buffer )
return;
if ( YY_CURRENT_BUFFER )
{
/* Flush out information for old buffer. */
*(yy_c_buf_p) = (yy_hold_char);
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
}
/* We don't actually know whether we did this switch during
* EOF (yywrap()) processing, but the only time this flag
* is looked at is after yywrap() is called, so it's safe
* to go ahead and always set it.
*/
(yy_did_buffer_switch_on_eof) = 1;
}
/** Allocate and initialize an input buffer state.
* @param file A readable stream.
* @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
*
* @return the allocated buffer state.
*/
/* %if-c-only */
YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
/* %endif */
/* %if-c++-only */
/* %endif */
{
YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
b->yy_buf_size = size;
/* yy_ch_buf has to be 2 characters longer than the size given because
* we need to put in 2 end-of-buffer characters.
*/
b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) );
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
b->yy_is_our_buffer = 1;
yy_init_buffer( b, file );
return b;
}
/* %if-c++-only */
/* %endif */
/** Destroy the buffer.
* @param b a buffer created with yy_create_buffer()
*
*/
/* %if-c-only */
void yy_delete_buffer (YY_BUFFER_STATE b )
/* %endif */
/* %if-c++-only */
/* %endif */
{
if ( ! b )
return;
if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
if ( b->yy_is_our_buffer )
yyfree( (void *) b->yy_ch_buf );
yyfree( (void *) b );
}
/* Initializes or reinitializes a buffer.
* This function is sometimes called more than once on the same buffer,
* such as during a yyrestart() or at EOF.
*/
/* %if-c-only */
static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
/* %endif */
/* %if-c++-only */
/* %endif */
/* 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;
}
/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
* @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
*
*/
/* %if-c-only */
void yy_flush_buffer (YY_BUFFER_STATE b )
/* %endif */
/* %if-c++-only */
/* %endif */
{
if ( ! b )
return;
b->yy_n_chars = 0;
/* We always need two end-of-buffer characters. The first causes
* a transition to the end-of-buffer state. The second causes
* a jam in that state.
*/
b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
if ( b == YY_CURRENT_BUFFER )
yy_load_buffer_state( );
}
/* %if-c-or-c++ */
/** Pushes the new state onto the stack. The new state becomes
* the current state. This function will allocate the stack
* if necessary.
* @param new_buffer The new state.
*
*/
/* %if-c-only */
void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
/* %endif */
/* %if-c++-only */
/* %endif */
{
if (new_buffer == NULL)
return;
yyensure_buffer_stack();
/* This block is copied from yy_switch_to_buffer. */
if ( YY_CURRENT_BUFFER )
{
/* Flush out information for old buffer. */
*(yy_c_buf_p) = (yy_hold_char);
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
}
/* Only push if top exists. Otherwise, replace top. */
if (YY_CURRENT_BUFFER)
(yy_buffer_stack_top)++;
YY_CURRENT_BUFFER_LVALUE = new_buffer;
/* %if-c-or-c++ */
/** Removes and deletes the top of the stack, if present.
* The next element becomes the new top.
*
*/
/* %if-c-only */
void yypop_buffer_state (void)
/* %endif */
/* %if-c++-only */
/* %endif */
{
if (!YY_CURRENT_BUFFER)
return;
yy_delete_buffer(YY_CURRENT_BUFFER );
YY_CURRENT_BUFFER_LVALUE = NULL;
if ((yy_buffer_stack_top) > 0)
--(yy_buffer_stack_top);
/* %if-c-or-c++ */
/* Allocates the stack if it does not exist.
* Guarantees space for at least one push.
*/
/* %if-c-only */
static void yyensure_buffer_stack (void)
/* %endif */
/* %if-c++-only */
/* %endif */
{
yy_size_t num_to_alloc;
if (!(yy_buffer_stack)) {
/* First allocation is just for 2 elements, since we don't know if this
* scanner will even need a stack. We use 2 instead of 1 to avoid an
* immediate realloc on the next call.
*/
num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
(num_to_alloc * sizeof(struct yy_buffer_state*)
);
if ( ! (yy_buffer_stack) )
YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
/* Increase the buffer to prepare for a possible push. */
yy_size_t grow_size = 8 /* arbitrary grow size */;
num_to_alloc = (yy_buffer_stack_max) + grow_size;
(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
((yy_buffer_stack),
num_to_alloc * sizeof(struct yy_buffer_state*)
);
if ( ! (yy_buffer_stack) )
YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
/* zero only the new slots.*/
memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
(yy_buffer_stack_max) = num_to_alloc;
}
}
/* %endif */
/* %if-c-only */
/** Setup the input buffer state to scan directly from a user-specified character buffer.
* @param base the character buffer
* @param size the size in bytes of the character buffer
*
* @return the newly allocated buffer state object.
*/
YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
{
YY_BUFFER_STATE b;
if ( size < 2 ||
base[size-2] != YY_END_OF_BUFFER_CHAR ||
base[size-1] != YY_END_OF_BUFFER_CHAR )
/* They forgot to leave room for the EOB's. */
return NULL;
b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
/* %if-c-only */
/** Setup the input buffer state to scan a string. The next call to yylex() will
* scan from a @e copy of @a str.
* @param yystr a NUL-terminated string to scan
*
* @return the newly allocated buffer state object.
* @note If you want to scan bytes that may contain NUL values, then use
* yy_scan_bytes() instead.
*/
YY_BUFFER_STATE yy_scan_string (const char * yystr )
{
/* %if-c-only */
/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
* scan from a @e copy of @a bytes.
* @param yybytes the byte buffer to scan
* @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
*
* @return the newly allocated buffer state object.
*/
YY_BUFFER_STATE yy_scan_bytes (const char * yybytes, int _yybytes_len )
{
YY_BUFFER_STATE b;
char *buf;
yy_size_t n;
int i;
/* Get memory for full buffer, including space for trailing EOB's. */
n = (yy_size_t) (_yybytes_len + 2);
buf = (char *) yyalloc( n );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
for ( i = 0; i < _yybytes_len; ++i )
buf[i] = yybytes[i];
/* Accessor methods (get/set functions) to struct members. */
/* %if-c-only */
/* %if-reentrant */
/* %endif */
/** Get the current line number.
*
*/
int yyget_lineno (void)
{
return yylineno;
}
/** Get the input stream.
*
*/
FILE *yyget_in (void)
{
return yyin;
}
/** Get the output stream.
*
*/
FILE *yyget_out (void)
{
return yyout;
}
/** Get the length of the current token.
*
*/
int yyget_leng (void)
{
return yyleng;
}
/** Get the current token.
*
*/
char *yyget_text (void)
{
return yytext;
}
/* %if-reentrant */
/* %endif */
/** Set the current line number.
* @param _line_number line number
*
*/
void yyset_lineno (int _line_number )
{
yylineno = _line_number;
}
/** Set the input stream. This does not discard the current
* input buffer.
* @param _in_str A readable stream.
*
* @see yy_switch_to_buffer
*/
void yyset_in (FILE * _in_str )
{
yyin = _in_str ;
}
/* %if-c-only */
static int yy_init_globals (void)
{
/* Initialization is the same as for the non-reentrant scanner.
* This function is called from yylex_destroy(), so don't allocate here.
*/
/* For future reference: Set errno on error, since we are called by
* yylex_init()
*/
return 0;
}
/* %endif */
/* %if-c-only SNIP! this currently causes conflicts with the c++ scanner */
/* yylex_destroy is for both reentrant and non-reentrant scanners. */
int yylex_destroy (void)
{
/* Pop the buffer stack, destroying each element. */
while(YY_CURRENT_BUFFER){
yy_delete_buffer( YY_CURRENT_BUFFER );
YY_CURRENT_BUFFER_LVALUE = NULL;
yypop_buffer_state();
}
/* Reset the globals. This is important in a non-reentrant scanner so the next time
* yylex() is called, initialization will occur. */
yy_init_globals( );
/* 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);
}
/* %if-tables-serialization definitions */
/* %define-yytables The name for this specific scanner's tables. */
#define YYTABLES_NAME "yytables"
/* %endif */
