/* A lexical scanner generated by flex */
/* Scanner skeleton version:
* $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $
*/
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#include <stdio.h>
#include <unistd.h>
/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif
#ifdef __cplusplus
#include <stdlib.h>
/* Use prototypes in function declarations. */
#define YY_USE_PROTOS
/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST
#else /* ! __cplusplus */
#if __STDC__
#define YY_USE_PROTOS
#define YY_USE_CONST
#endif /* __STDC__ */
#endif /* ! __cplusplus */
#ifdef __TURBOC__
#pragma warn -rch
#pragma warn -use
#include <io.h>
#include <stdlib.h>
#define YY_USE_CONST
#define YY_USE_PROTOS
#endif
#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif
#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
#endif
/* Returned upon end-of-file. */
#define YY_NULL 0
/* Promotes a possibly negative, possibly signed char to an unsigned
* integer for use as an array index. If the signed char is negative,
* we want to instead treat it as an 8-bit unsigned char, hence the
* double cast.
*/
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
/* 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. */
#define YY_BUF_SIZE 16384
typedef struct yy_buffer_state *YY_BUFFER_STATE;
extern int yyleng;
extern FILE *yyin, *yyout;
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
/* The funky do-while in the following #define is used to turn the definition
* int a single C statement (which needs a semi-colon terminator). This
* avoids problems with code like:
*
* if ( condition_holds )
* yyless( 5 );
* else
* do_something_else();
*
* Prior to using the do-while the compiler would get upset at the
* "else" because it interpreted the "if" statement as being all
* done when it reached the ';' after the yyless() call.
*/
/* Return all but the first 'n' matched characters back to the input stream. */
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
*yy_cp = yy_hold_char; \
YY_RESTORE_YY_MORE_OFFSET \
yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
} \
while ( 0 )
#define unput(c) yyunput( c, yytext_ptr )
/* The following is because we cannot portably get our hands on size_t
* (without autoconf's help, which isn't available because we want
* flex-generated scanners to compile on their own).
*/
typedef unsigned int yy_size_t;
struct yy_buffer_state
{
FILE *yy_input_file;
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.
*/
yy_size_t 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;
/* 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
};
static YY_BUFFER_STATE yy_current_buffer = 0;
/* 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".
*/
#define YY_CURRENT_BUFFER yy_current_buffer
/* 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 = (char *) 0;
static int yy_init = 1; /* 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;
void yyrestart YY_PROTO(( FILE *input_file ));
void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
void yy_load_buffer_state YY_PROTO(( void ));
YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
static void yy_flex_free YY_PROTO(( void * ));
#define yy_new_buffer yy_create_buffer
#define yy_set_interactive(is_interactive) \
{ \
if ( ! yy_current_buffer ) \
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
yy_current_buffer->yy_is_interactive = is_interactive; \
}
#define yy_set_bol(at_bol) \
{ \
if ( ! yy_current_buffer ) \
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
yy_current_buffer->yy_at_bol = at_bol; \
}
#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;
extern char *yytext;
#define yytext_ptr yytext
static yy_state_type yy_get_previous_state YY_PROTO(( void ));
static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
static int yy_get_next_buffer YY_PROTO(( void ));
static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
/* Done after the current pattern has been matched and before the
* corresponding action - sets up yytext.
*/
#define YY_DO_BEFORE_ACTION \
yytext_ptr = yy_bp; \
yyleng = (int) (yy_cp - yy_bp); \
yy_hold_char = *yy_cp; \
*yy_cp = '\0'; \
yy_c_buf_p = yy_cp;
#define YY_NUM_RULES 59
#define YY_END_OF_BUFFER 60
static yyconst short int yy_accept[163] =
{ 0,
0, 0, 0, 0, 0, 0, 60, 58, 3, 4,
11, 58, 1, 58, 18, 58, 15, 13, 14, 57,
16, 32, 32, 10, 24, 7, 25, 57, 57, 28,
29, 17, 57, 57, 57, 57, 57, 57, 57, 19,
12, 11, 47, 46, 45, 47, 47, 59, 48, 59,
53, 53, 53, 53, 53, 3, 23, 0, 43, 1,
34, 8, 0, 43, 57, 57, 35, 35, 32, 0,
0, 0, 20, 26, 22, 27, 21, 0, 57, 57,
57, 57, 57, 57, 0, 57, 57, 9, 42, 23,
0, 0, 0, 53, 53, 53, 53, 53, 53, 57,
57, 35, 30, 0, 35, 33, 0, 57, 57, 56,
57, 39, 57, 5, 38, 57, 57, 0, 53, 53,
53, 49, 0, 57, 35, 31, 57, 57, 56, 41,
57, 40, 57, 36, 44, 51, 52, 53, 35, 57,
0, 55, 0, 37, 57, 50, 57, 0, 54, 0,
2, 57, 54, 57, 57, 57, 57, 57, 57, 57,
6, 0
} ;
static yyconst int yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
1, 1, 4, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 5, 6, 7, 8, 1, 9, 10, 1,
1, 11, 12, 1, 13, 14, 15, 16, 17, 18,
18, 18, 18, 18, 18, 18, 18, 19, 1, 20,
21, 22, 1, 1, 23, 24, 23, 25, 25, 23,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 27, 26, 26,
28, 1, 29, 30, 31, 1, 32, 33, 34, 35,
36, 37, 38, 39, 40, 26, 26, 41, 42, 43,
44, 45, 46, 47, 48, 49, 50, 26, 51, 27,
26, 26, 1, 52, 1, 53, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1
} ;
static yyconst int yy_meta[54] =
{ 0,
1, 1, 2, 1, 1, 1, 1, 1, 1, 1,
1, 1, 3, 4, 4, 5, 5, 5, 1, 1,
1, 1, 6, 6, 6, 4, 4, 1, 1, 1,
4, 6, 6, 6, 6, 6, 6, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 1, 1
} ;
static yyconst short int yy_base[175] =
{ 0,
0, 424, 51, 54, 90, 0, 428, 430, 425, 430,
405, 419, 0, 0, 415, 143, 430, 430, 430, 43,
0, 183, 48, 430, 47, 402, 48, 0, 412, 430,
430, 430, 388, 29, 388, 31, 417, 382, 370, 364,
430, 394, 430, 430, 430, 196, 371, 430, 430, 0,
0, 369, 373, 370, 367, 407, 430, 402, 401, 0,
0, 430, 396, 395, 232, 0, 186, 210, 241, 60,
69, 0, 430, 430, 430, 430, 430, 62, 360, 364,
367, 360, 357, 352, 86, 168, 348, 430, 0, 0,
211, 354, 361, 0, 0, 339, 345, 326, 315, 285,
251, 263, 198, 207, 213, 0, 255, 305, 302, 207,
288, 0, 286, 430, 0, 284, 297, 290, 290, 283,
297, 0, 257, 284, 292, 430, 279, 314, 325, 0,
290, 0, 278, 0, 430, 0, 0, 275, 303, 272,
279, 430, 275, 0, 227, 0, 218, 308, 430, 319,
0, 205, 430, 200, 180, 170, 174, 103, 36, 23,
0, 430, 338, 344, 350, 352, 356, 362, 365, 369,
375, 381, 383, 389
} ;
static yyconst short int yy_def[175] =
{ 0,
162, 1, 163, 163, 162, 5, 162, 162, 162, 162,
162, 164, 165, 166, 162, 162, 162, 162, 162, 167,
167, 162, 162, 162, 162, 162, 162, 167, 167, 162,
162, 162, 167, 167, 167, 167, 167, 167, 167, 162,
162, 168, 162, 162, 162, 162, 162, 162, 162, 169,
170, 170, 170, 170, 170, 162, 162, 164, 164, 165,
166, 162, 171, 171, 172, 167, 167, 162, 162, 162,
162, 173, 162, 162, 162, 162, 162, 162, 167, 167,
167, 167, 167, 167, 162, 167, 167, 162, 168, 168,
162, 162, 162, 170, 170, 170, 170, 170, 170, 172,
167, 162, 162, 162, 162, 173, 162, 167, 167, 167,
167, 167, 167, 162, 167, 167, 167, 162, 170, 170,
170, 170, 162, 167, 167, 162, 167, 167, 162, 167,
167, 167, 167, 167, 162, 170, 170, 170, 162, 167,
174, 162, 162, 167, 167, 170, 167, 174, 162, 174,
167, 167, 162, 167, 167, 167, 167, 167, 167, 167,
167, 0, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162, 162
} ;
static yyconst short int yy_nxt[484] =
{ 0,
8, 9, 10, 8, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 23, 24, 25,
26, 27, 28, 29, 28, 28, 28, 30, 31, 32,
28, 33, 29, 28, 28, 34, 35, 28, 28, 28,
28, 28, 28, 28, 36, 37, 38, 28, 39, 28,
28, 40, 41, 44, 45, 46, 44, 45, 67, 67,
67, 68, 80, 69, 69, 69, 73, 74, 76, 77,
83, 81, 71, 161, 84, 103, 103, 107, 107, 160,
104, 104, 71, 71, 105, 105, 105, 85, 114, 47,
48, 48, 49, 48, 48, 48, 48, 48, 48, 50,
48, 48, 48, 51, 51, 48, 48, 48, 48, 48,
48, 48, 51, 51, 51, 51, 51, 48, 48, 48,
51, 51, 52, 53, 51, 51, 54, 51, 51, 55,
51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
51, 48, 48, 63, 63, 159, 63, 63, 63, 63,
63, 63, 64, 63, 63, 63, 65, 65, 63, 63,
63, 63, 63, 63, 63, 65, 65, 65, 65, 65,
63, 63, 63, 65, 65, 65, 65, 65, 65, 65,
65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
65, 65, 65, 65, 63, 63, 68, 91, 69, 69,
69, 67, 67, 67, 158, 115, 70, 71, 129, 72,
101, 157, 91, 103, 103, 70, 116, 71, 71, 156,
101, 101, 105, 105, 105, 102, 102, 102, 105, 105,
105, 92, 63, 63, 71, 63, 63, 63, 63, 63,
63, 64, 63, 63, 71, 71, 92, 155, 130, 154,
63, 63, 63, 63, 68, 152, 69, 69, 69, 63,
63, 63, 123, 124, 126, 71, 125, 125, 125, 151,
107, 107, 139, 139, 139, 71, 71, 142, 102, 102,
102, 149, 150, 63, 63, 63, 63, 71, 63, 63,
63, 63, 63, 63, 64, 63, 63, 71, 71, 125,
125, 125, 147, 63, 63, 63, 63, 125, 125, 125,
149, 150, 63, 63, 63, 141, 142, 143, 139, 139,
139, 153, 150, 146, 145, 144, 129, 140, 138, 137,
136, 135, 134, 133, 132, 131, 63, 63, 43, 43,
43, 43, 43, 43, 58, 128, 58, 58, 58, 58,
60, 127, 60, 60, 60, 60, 61, 61, 66, 66,
66, 66, 89, 122, 89, 89, 89, 89, 94, 121,
94, 95, 95, 95, 95, 63, 120, 63, 63, 63,
63, 100, 119, 100, 100, 100, 100, 106, 106, 148,
148, 148, 148, 148, 148, 118, 93, 117, 113, 112,
111, 110, 109, 108, 64, 64, 59, 59, 56, 99,
98, 97, 96, 93, 90, 88, 87, 86, 85, 82,
79, 78, 75, 62, 59, 57, 56, 162, 42, 7,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162
} ;
static yyconst short int yy_chk[484] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 3, 3, 4, 4, 4, 20, 20,
20, 23, 34, 23, 23, 23, 25, 25, 27, 27,
36, 34, 23, 160, 36, 70, 70, 78, 78, 159,
71, 71, 23, 23, 71, 71, 71, 85, 85, 4,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 16, 16, 158, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 22, 46, 22, 22,
22, 67, 67, 67, 157, 86, 22, 22, 110, 22,
67, 156, 91, 103, 103, 22, 86, 22, 22, 155,
67, 67, 104, 104, 104, 68, 68, 68, 105, 105,
105, 46, 65, 65, 68, 65, 65, 65, 65, 65,
65, 65, 65, 65, 68, 68, 91, 154, 110, 152,
65, 65, 65, 65, 69, 147, 69, 69, 69, 65,
65, 65, 101, 101, 107, 69, 101, 101, 101, 145,
107, 107, 123, 123, 123, 69, 69, 143, 102, 102,
102, 141, 141, 65, 65, 100, 100, 102, 100, 100,
100, 100, 100, 100, 100, 100, 100, 102, 102, 124,
124, 124, 140, 100, 100, 100, 100, 125, 125, 125,
148, 148, 100, 100, 100, 128, 128, 128, 139, 139,
139, 150, 150, 138, 133, 131, 129, 127, 121, 120,
119, 118, 117, 116, 113, 111, 100, 100, 163, 163,
163, 163, 163, 163, 164, 109, 164, 164, 164, 164,
165, 108, 165, 165, 165, 165, 166, 166, 167, 167,
167, 167, 168, 99, 168, 168, 168, 168, 169, 98,
169, 170, 170, 170, 170, 171, 97, 171, 171, 171,
171, 172, 96, 172, 172, 172, 172, 173, 173, 174,
174, 174, 174, 174, 174, 93, 92, 87, 84, 83,
82, 81, 80, 79, 64, 63, 59, 58, 56, 55,
54, 53, 52, 47, 42, 40, 39, 38, 37, 35,
33, 29, 26, 15, 12, 11, 9, 7, 2, 162,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162, 162, 162, 162, 162, 162, 162, 162,
162, 162, 162
} ;
static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;
/* 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 "scan.ll"
#define INITIAL 0
#line 2 "scan.ll"
/*
Copyright (C) 1998 T. Scott Dattalo
This file is part of gpsim.
gpsim is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
gpsim is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with gpsim; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <string>
#include <unistd.h>
#include <glib.h>
#ifdef _WIN32
/* declaration of isatty() */
#include <io.h>
#endif
#include "command.h"
#include "../src/operator.h"
//#include "../src/errors.h"
#include "cmd_macro.h"
#include "../src/symbol.h"
#include "../src/stimuli.h"
#include "parse.h"
#include "input.h"
#include "scan.h"
#include "../src/processor.h"
/* Since our parser is reentrant, it needs to pass us a pointer
* to the yylval that it would like us to use */
#ifdef YY_PROTO
#define YY_DECL int yylex YY_PROTO(( YYSTYPE* yylvalP ))
#else
#define YY_DECL int yylex ( YYSTYPE* yylvalP )
#endif
extern int yyparse(void);
/* This is the max length of a line within a macro definition */
static char macroBody[65536], *macroBodyPtr=0;
static char* max_bodyPtr = ¯oBody[0] + sizeof(macroBody)-1;
struct LexerStateStruct {
struct cmd_options *options;
command *cmd;
int input_mode;
int end_of_command;
int have_parameters;
int mode;
struct LexerStateStruct *prev;
struct LexerStateStruct *next;
};
static char * m_pLastFullCommand = NULL;
void SetLastFullCommand(const char *pCmd)
{
if (strlen(pCmd)>1) {
if (m_pLastFullCommand)
free (m_pLastFullCommand);
m_pLastFullCommand = strdup(pCmd);
}
}
const char * GetLastFullCommand()
{
return m_pLastFullCommand;
}
static LexerStateStruct *pLexerState = 0;
static int sLevels=0;
extern int quit_parse;
extern int parser_spanning_lines;
extern int last_command_is_repeatable;
static string strip_trailing_whitespace (char *s);
static int handle_identifier(YYSTYPE* yylvalP, string &tok, cmd_options **op );
static int process_intLiteral(YYSTYPE* yylvalP, char *buffer, int conversionBase);
static int process_booleanLiteral(YYSTYPE* yylvalP, bool value);
static int process_macroBody(YYSTYPE* yylvalP, const char *text);
static int process_floatLiteral(YYSTYPE* yylvalP, char *buffer);
static int process_stringLiteral(YYSTYPE* yylvalP, const char *buffer);
static int process_quotedStringLiteral(YYSTYPE* yylvalP, const char *buffer);
static int process_shellLine(YYSTYPE* yylvalP, const char *buffer);
static int recognize(int token,const char *);
static void SetMode(int newmode);
void scanPopMacroState();
int cli_corba_init (char *ior_id);
extern Macro *isMacro(const string &s);
static Macro *gCurrentMacro=0;
#define YYDEBUG 1
//========================================================================
// MacroChain class
//
//
class MacroChain
{
public:
struct Link {
Link *prev;
Link *next;
Macro *m;
};
MacroChain() {
head.prev = head.next =0;
curr = &head;
}
void push(Macro *m) {
if (verbose & 4 && m) {
cout << "Pushing " << m->name() << " onto the macro chain\n";
}
Link *pL = new Link();
pL->m = m;
pL->prev = &head;
pL->next = head.next;
head.next = pL;
param = pL;
curr = &head;
}
void pop()
{
Link *pL = head.next;
if (pL) {
if (verbose & 4 && pL->m) {
cout << "Popping " << pL->m->name() << " from the macro chain\n";
}
head.next = pL->next;
if (pL->next)
pL->next->prev = &head;
delete pL;
}
}
Macro *nextParamSource()
{
if (curr)
curr = curr->next;
if (verbose & 4 && curr && curr->m ) {
cout << " selecting parameter source " << curr->m->name() << endl;
}
if(curr)
return curr->m;
return 0;
}
void popParamSource()
{
if (verbose & 4 && curr && curr->m ) {
cout << " popping parameter source " << curr->m->name() << endl;
}
if (curr)
curr = curr->prev;
}
void resetParamSource()
{
if (verbose & 4) {
cout << " resetparameter source\n";
}
curr = &head;
}
private:
Link *curr;
Link head;
Link *param;
};
static MacroChain theMacroChain;
#line 233 "scan.ll"
/* Lexer States */
#define MACROBODY 1
#define DECLARATION 2
#line 239 "scan.ll"
//************************************************************************
//************************************************************************
#line 738 "scan.cc"
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap YY_PROTO(( void ));
#else
extern int yywrap YY_PROTO(( void ));
#endif
#endif
#ifndef YY_NO_UNPUT
static void yyunput YY_PROTO(( int c, char *buf_ptr ));
#endif
#ifndef yytext_ptr
static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen YY_PROTO(( yyconst char * ));
#endif
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput YY_PROTO(( void ));
#else
static int input YY_PROTO(( void ));
#endif
#endif
#if YY_STACK_USED
static int yy_start_stack_ptr = 0;
static int yy_start_stack_depth = 0;
static int *yy_start_stack = 0;
#ifndef YY_NO_PUSH_STATE
static void yy_push_state YY_PROTO(( int new_state ));
#endif
#ifndef YY_NO_POP_STATE
static void yy_pop_state YY_PROTO(( void ));
#endif
#ifndef YY_NO_TOP_STATE
static int yy_top_state YY_PROTO(( void ));
#endif
#else
#define YY_NO_PUSH_STATE 1
#define YY_NO_POP_STATE 1
#define YY_NO_TOP_STATE 1
#endif
#ifdef YY_MALLOC_DECL
YY_MALLOC_DECL
#else
#if __STDC__
#ifndef __cplusplus
#include <stdlib.h>
#endif
#else
/* Just try to get by without declaring the routines. This will fail
* miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
* or sizeof(void*) != sizeof(int).
*/
#endif
#endif
/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif
/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
#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) \
if ( yy_current_buffer->yy_is_interactive ) \
{ \
int c = '*', 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 if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
&& ferror( yyin ) ) \
YY_FATAL_ERROR( "input in flex scanner failed" );
#endif
/* No semi-colon after return; correct usage is to write "yyterminate();" -
* we don't want an extra ';' after the "return" because that will cause
* some compilers to complain about unreachable statements.
*/
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif
/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif
/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
#endif
/* Default declaration of generated scanner - a define so the user can
* easily add parameters.
*/
#ifndef YY_DECL
#define YY_DECL int yylex YY_PROTO(( void ))
#endif
/* 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 break;
#endif
#define YY_RULE_SETUP \
if ( yyleng > 0 ) \
yy_current_buffer->yy_at_bol = \
(yytext[yyleng - 1] == '\n'); \
YY_USER_ACTION
YY_DECL
{
register yy_state_type yy_current_state;
register char *yy_cp = NULL, *yy_bp = NULL;
register int yy_act;
#line 243 "scan.ll"
// Comments. Ignore all text after a comment character
#line 899 "scan.cc"
if ( yy_init )
{
yy_init = 0;
#ifdef YY_USER_INIT
YY_USER_INIT;
#endif
if ( ! yy_start )
yy_start = 1; /* first start state */
if ( ! yyin )
yyin = stdin;
if ( ! yyout )
yyout = stdout;
if ( ! yy_current_buffer )
yy_current_buffer =
yy_create_buffer( yyin, YY_BUF_SIZE );
yy_load_buffer_state();
}
while ( 1 ) /* loops until end-of-file is reached */
{
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;
yy_current_state = yy_start;
yy_current_state += YY_AT_BOL();
yy_match:
do
{
register 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 >= 163 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
++yy_cp;
}
while ( yy_base[yy_current_state] != 430 );
yy_find_action:
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;
do_action: /* This label is used only to access EOF actions. */
switch ( yy_act )
{ /* beginning of action switch */
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 249 "scan.ll"
YY_BREAK
case 2:
YY_RULE_SETUP
#line 251 "scan.ll"
recognize(COMMENT_T,"comment");
YY_BREAK
case 3:
YY_RULE_SETUP
#line 255 "scan.ll"
{ /* ignore white space */ }
YY_BREAK
case 4:
YY_RULE_SETUP
#line 257 "scan.ll"
{
if(verbose)
cout << "got EOL\n";
pLexerState->input_mode = 0; // assume that this is not a multi-line command.
if(pLexerState->cmd &&
pLexerState->cmd->can_span_lines() &&
pLexerState->have_parameters &&
!pLexerState->end_of_command )
pLexerState->input_mode = CONTINUING_LINE;
else {
pLexerState->cmd = 0;
return recognize(EOLN_T, " end of line");
}
}
YY_BREAK
{
// Got an eol.
if(verbose)
cout << "got INITIAL\n";
pLexerState->input_mode = 0; // assume that this is not a multi-line command.
if(pLexerState->cmd &&
pLexerState->cmd->can_span_lines() &&
pLexerState->have_parameters &&
!pLexerState->end_of_command )
pLexerState->input_mode = CONTINUING_LINE;
//else
// return recognize(EOLN_T, " end of line");
}
case 5:
YY_RULE_SETUP
#line 292 "scan.ll"
{ /* short cut for quiting */
quit_parse =1;
return QUIT;
}
YY_BREAK
case 6:
YY_RULE_SETUP
#line 297 "scan.ll"
{
/* a sure way to abort a script */
return ABORT;
}
YY_BREAK
case 7:
YY_RULE_SETUP
#line 302 "scan.ll"
{return(recognize(EQU_T, "="));}
YY_BREAK
case 8:
YY_RULE_SETUP
#line 303 "scan.ll"
{return(recognize(LAND_T, "&&"));}
YY_BREAK
case 9:
YY_RULE_SETUP
#line 304 "scan.ll"
{return(recognize(LOR_T, "||"));}
YY_BREAK
case 10:
YY_RULE_SETUP
#line 306 "scan.ll"
{return(recognize(COLON_T, ":"));}
YY_BREAK
case 11:
YY_RULE_SETUP
#line 307 "scan.ll"
{return(recognize(LNOT_T,"!"));}
YY_BREAK
case 12:
YY_RULE_SETUP
#line 308 "scan.ll"
{return(recognize(ONESCOMP_T,"~"));}
YY_BREAK
case 13:
YY_RULE_SETUP
#line 309 "scan.ll"
{return(recognize(PLUS_T,"+"));}
YY_BREAK
case 14:
YY_RULE_SETUP
#line 310 "scan.ll"
{return(recognize(MINUS_T,"-"));}
YY_BREAK
case 15:
YY_RULE_SETUP
#line 311 "scan.ll"
{return(recognize(MPY_T,"*"));}
YY_BREAK
case 16:
YY_RULE_SETUP
#line 312 "scan.ll"
{return(recognize(DIV_T,"/"));}
YY_BREAK
case 17:
YY_RULE_SETUP
#line 313 "scan.ll"
{return(recognize(XOR_T,"^"));}
YY_BREAK
case 18:
YY_RULE_SETUP
#line 314 "scan.ll"
{return(recognize(AND_T,"&"));}
YY_BREAK
case 19:
YY_RULE_SETUP
#line 315 "scan.ll"
{return(recognize(OR_T,"|"));}
YY_BREAK
case 20:
YY_RULE_SETUP
#line 316 "scan.ll"
{return(recognize(SHL_T,"<<"));}
YY_BREAK
case 21:
YY_RULE_SETUP
#line 317 "scan.ll"
{return(recognize(SHR_T,">>"));}
YY_BREAK
case 22:
YY_RULE_SETUP
#line 319 "scan.ll"
{return(recognize(EQ_T, "=="));}
YY_BREAK
case 23:
YY_RULE_SETUP
#line 320 "scan.ll"
{return(recognize(NE_T, "!="));}
YY_BREAK
case 24:
YY_RULE_SETUP
#line 321 "scan.ll"
{return(recognize(LT_T, "<"));}
YY_BREAK
case 25:
YY_RULE_SETUP
#line 322 "scan.ll"
{return(recognize(GT_T, ">"));}
YY_BREAK
case 26:
YY_RULE_SETUP
#line 323 "scan.ll"
{return(recognize(LE_T, "<="));}
YY_BREAK
case 27:
YY_RULE_SETUP
#line 324 "scan.ll"
{return(recognize(GE_T, ">="));}
YY_BREAK
case 28:
YY_RULE_SETUP
#line 326 "scan.ll"
{return(recognize(INDEXERLEFT_T, "["));}
YY_BREAK
case 29:
YY_RULE_SETUP
#line 327 "scan.ll"
{return(recognize(INDEXERRIGHT_T, "]"));}
YY_BREAK
case 30:
YY_RULE_SETUP
#line 329 "scan.ll"
{return(process_intLiteral(yylvalP,&yytext[2], 2));}
YY_BREAK
case 31:
YY_RULE_SETUP
#line 330 "scan.ll"
{return(process_intLiteral(yylvalP,&yytext[2], 2));}
YY_BREAK
case 32:
YY_RULE_SETUP
#line 331 "scan.ll"
{return(process_intLiteral(yylvalP,&yytext[0], 10));}
YY_BREAK
case 33:
YY_RULE_SETUP
#line 332 "scan.ll"
{return(process_intLiteral(yylvalP,&yytext[2], 16));}
YY_BREAK
case 34:
YY_RULE_SETUP
#line 333 "scan.ll"
{return(process_intLiteral(yylvalP,&yytext[1], 16));}
YY_BREAK
case 35:
YY_RULE_SETUP
#line 334 "scan.ll"
{return process_floatLiteral(yylvalP,yytext);}
YY_BREAK
case 36:
YY_RULE_SETUP
#line 335 "scan.ll"
{return(process_booleanLiteral(yylvalP,true));}
YY_BREAK
case 37:
YY_RULE_SETUP
#line 336 "scan.ll"
{return(process_booleanLiteral(yylvalP,false));}
YY_BREAK
case 38:
YY_RULE_SETUP
#line 337 "scan.ll"
{return(recognize(REG_T,"reg"));}
YY_BREAK
case 39:
YY_RULE_SETUP
#line 338 "scan.ll"
{return(recognize(PIN_T, "pin"));}
YY_BREAK
case 40:
YY_RULE_SETUP
#line 339 "scan.ll"
{return(recognize(PORT_T, "port"));}
YY_BREAK
case 41:
YY_RULE_SETUP
#line 341 "scan.ll"
{scanPopMacroState();}
YY_BREAK
case 42:
YY_RULE_SETUP
#line 343 "scan.ll"
{return(process_shellLine(yylvalP,&yytext[1]));}
YY_BREAK
case 43:
YY_RULE_SETUP
#line 344 "scan.ll"
{return(process_quotedStringLiteral(yylvalP,&yytext[1]));}
YY_BREAK
//========================================================================
// Macro processing
case 44:
YY_RULE_SETUP
#line 352 "scan.ll"
{SetMode(INITIAL); return(recognize(ENDM,"endm")); }
YY_BREAK
case 45:
YY_RULE_SETUP
#line 354 "scan.ll"
{/*discard CR's*/}
YY_BREAK
case 46:
YY_RULE_SETUP
#line 355 "scan.ll"
{*macroBodyPtr++ = '\n';
*macroBodyPtr = 0;
macroBodyPtr = macroBody;
return(process_macroBody(yylvalP,macroBody));}
YY_BREAK
case 47:
YY_RULE_SETUP
#line 361 "scan.ll"
{ *macroBodyPtr++ = *yytext;
if(verbose&4)
printf("adding [%c]\n", *yytext);
if (macroBodyPtr > max_bodyPtr) {
cout << "buffer overflow in macro definition\n";
exit(0);
}
}
YY_BREAK
//========================================================================
// Declaration Processing
case 48:
YY_RULE_SETUP
#line 376 "scan.ll"
{SetMode(INITIAL); return(recognize(EOLN_T, "end of declaration")); }
YY_BREAK
case 49:
YY_RULE_SETUP
#line 377 "scan.ll"
{return recognize(DECLARE_INT_T, "int type"); }
YY_BREAK
case 50:
YY_RULE_SETUP
#line 378 "scan.ll"
{return recognize(DECLARE_FLOAT_T,"float type"); }
YY_BREAK
case 51:
YY_RULE_SETUP
#line 379 "scan.ll"
{return recognize(DECLARE_BOOL_T, "bool type"); }
YY_BREAK
case 52:
YY_RULE_SETUP
#line 380 "scan.ll"
{return recognize(DECLARE_FLOAT_T,"char type"); }
YY_BREAK
case 53:
YY_RULE_SETUP
#line 381 "scan.ll"
{ return process_stringLiteral(yylvalP, yytext); }
YY_BREAK
// The 'echo' command is handled by the lexer instead of the
// parser (like the other commands). All it does is just display
// the contents of yytext beyond the "echo".
case 54:
YY_RULE_SETUP
#line 390 "scan.ll"
{
fprintf(yyout,"%s",&yytext[5]);
return recognize(EOLN_T, " end of line");
}
YY_BREAK
case 55:
YY_RULE_SETUP
#line 396 "scan.ll"
{
fprintf(yyout,"\n");
return recognize(EOLN_T, " end of line");
}
YY_BREAK
// Indirect register access.... this should be an expression operator.
/*
{INDIRECT} {
return INDIRECT;
}
*/
// If this is a command that is spanning more than one line
// then the 'end' command will finish it.
case 56:
YY_RULE_SETUP
#line 421 "scan.ll"
{
if (pLexerState->cmd && pLexerState->cmd->can_span_lines() ) {
pLexerState->end_of_command = 1;
return(END_OF_COMMAND);
}
printf("Warning: found \"end\" while not in multiline mode\n");
}
YY_BREAK
// Identifiers. These are either gpsim commands or user macros.
case 57:
YY_RULE_SETUP
#line 433 "scan.ll"
{
string tok = strip_trailing_whitespace (yytext);
int ret=0;
if(strlen(tok.c_str()))
ret = handle_identifier (yylvalP, tok, &pLexerState->options);
else
ret = recognize(0,"invalid identifier");
if(ret)
return ret;
}
YY_BREAK
/* Default is to recognize the character we are looking at as a single char */
case 58:
YY_RULE_SETUP
#line 450 "scan.ll"
{return(recognize(*yytext,"Single character"));}
YY_BREAK
case 59:
YY_RULE_SETUP
#line 452 "scan.ll"
ECHO;
YY_BREAK
#line 1388 "scan.cc"
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(MACROBODY):
case YY_STATE_EOF(DECLARATION):
yyterminate();
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->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->yy_n_chars;
yy_current_buffer->yy_input_file = yyin;
yy_current_buffer->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->yy_ch_buf[yy_n_chars] )
{ /* This was really a NUL. */
yy_state_type yy_next_state;
yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state();
/* Okay, we're now positioned to make the NUL
* transition. We couldn't have
* yy_get_previous_state() go ahead and do it
* for us because it doesn't know how to deal
* with the possibility of jamming (and we don't
* want to build jamming into it because then it
* will run more slowly).
*/
yy_next_state = yy_try_NUL_trans( yy_current_state );
yy_bp = yytext_ptr + YY_MORE_ADJ;
if ( yy_next_state )
{
/* Consume the NUL. */
yy_cp = ++yy_c_buf_p;
yy_current_state = yy_next_state;
goto yy_match;
}
else
{
yy_cp = yy_c_buf_p;
goto yy_find_action;
}
}
else switch ( yy_get_next_buffer() )
{
case EOB_ACT_END_OF_FILE:
{
yy_did_buffer_switch_on_eof = 0;
if ( yywrap() )
{
/* Note: because we've taken care in
* yy_get_next_buffer() to have set up
* yytext, we can now set up
* yy_c_buf_p so that if some total
* hoser (like flex itself) wants to
* call the scanner after we return the
* YY_NULL, it'll still work - another
* YY_NULL will get returned.
*/
yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
yy_act = YY_STATE_EOF(YY_START);
goto do_action;
}
else
{
if ( ! yy_did_buffer_switch_on_eof )
YY_NEW_FILE;
}
break;
}
case EOB_ACT_CONTINUE_SCAN:
yy_c_buf_p =
yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state();
yy_cp = yy_c_buf_p;
yy_bp = yytext_ptr + YY_MORE_ADJ;
goto yy_match;
case EOB_ACT_LAST_MATCH:
yy_c_buf_p =
&yy_current_buffer->yy_ch_buf[yy_n_chars];
yy_current_state = yy_get_previous_state();
yy_cp = yy_c_buf_p;
yy_bp = yytext_ptr + YY_MORE_ADJ;
goto yy_find_action;
}
break;
}
default:
YY_FATAL_ERROR(
"fatal flex scanner internal error--no action found" );
} /* end of action switch */
} /* end of scanning one token */
} /* end of yylex */
/* 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
*/
static int yy_get_next_buffer()
{
register char *dest = yy_current_buffer->yy_ch_buf;
register char *source = yytext_ptr;
register int number_to_move, i;
int ret_val;
if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
YY_FATAL_ERROR(
"fatal flex scanner internal error--end of buffer missed" );
if ( yy_current_buffer->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->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->yy_n_chars = yy_n_chars = 0;
else
{
int num_to_read =
yy_current_buffer->yy_buf_size - number_to_move - 1;
while ( num_to_read <= 0 )
{ /* Not enough room in the buffer - grow it. */
#ifdef YY_USES_REJECT
YY_FATAL_ERROR(
"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
#else
/* just a shorter name for the current buffer */
YY_BUFFER_STATE b = yy_current_buffer;
int yy_c_buf_p_offset =
(int) (yy_c_buf_p - b->yy_ch_buf);
if ( b->yy_is_our_buffer )
{
int new_size = b->yy_buf_size * 2;
if ( new_size <= 0 )
b->yy_buf_size += b->yy_buf_size / 8;
else
b->yy_buf_size *= 2;
b->yy_ch_buf = (char *)
/* Include room in for 2 EOB chars. */
yy_flex_realloc( (void *) b->yy_ch_buf,
b->yy_buf_size + 2 );
}
else
/* Can't grow it, we don't own it. */
b->yy_ch_buf = 0;
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR(
"fatal error - scanner input buffer overflow" );
yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
num_to_read = yy_current_buffer->yy_buf_size -
number_to_move - 1;
#endif
}
if ( num_to_read > YY_READ_BUF_SIZE )
num_to_read = YY_READ_BUF_SIZE;
/* Read in more data. */
YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
yy_n_chars, num_to_read );
yy_current_buffer->yy_n_chars = yy_n_chars;
}
if ( yy_n_chars == 0 )
{
if ( number_to_move == YY_MORE_ADJ )
{
ret_val = EOB_ACT_END_OF_FILE;
yyrestart( yyin );
}
else
{
ret_val = EOB_ACT_LAST_MATCH;
yy_current_buffer->yy_buffer_status =
YY_BUFFER_EOF_PENDING;
}
}
else
ret_val = EOB_ACT_CONTINUE_SCAN;
yy_n_chars += number_to_move;
yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
return ret_val;
}
/* yy_get_previous_state - get the state just before the EOB char was reached */
static yy_state_type yy_get_previous_state()
{
register yy_state_type yy_current_state;
register char *yy_cp;
yy_current_state = yy_start;
yy_current_state += YY_AT_BOL();
for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
{
register 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 >= 163 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) 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 );
*/
#ifdef YY_USE_PROTOS
static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
#else
static yy_state_type yy_try_NUL_trans( yy_current_state )
yy_state_type yy_current_state;
#endif
{
register int yy_is_jam;
register char *yy_cp = yy_c_buf_p;
register YY_CHAR yy_c = 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 >= 163 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
yy_is_jam = (yy_current_state == 162);
return yy_is_jam ? 0 : yy_current_state;
}
#ifndef YY_NO_UNPUT
#ifdef YY_USE_PROTOS
static void yyunput( int c, register char *yy_bp )
#else
static void yyunput( c, yy_bp )
int c;
register char *yy_bp;
#endif
{
register char *yy_cp = yy_c_buf_p;
/* undo effects of setting up yytext */
*yy_cp = yy_hold_char;
if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
{ /* need to shift things up to make room */
/* +2 for EOB chars. */
register int number_to_move = yy_n_chars + 2;
register char *dest = &yy_current_buffer->yy_ch_buf[
yy_current_buffer->yy_buf_size + 2];
register char *source =
&yy_current_buffer->yy_ch_buf[number_to_move];
while ( source > yy_current_buffer->yy_ch_buf )
*--dest = *--source;
yy_cp += (int) (dest - source);
yy_bp += (int) (dest - source);
yy_current_buffer->yy_n_chars =
yy_n_chars = yy_current_buffer->yy_buf_size;
if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
YY_FATAL_ERROR( "flex scanner push-back overflow" );
}
*--yy_cp = (char) c;
yytext_ptr = yy_bp;
yy_hold_char = *yy_cp;
yy_c_buf_p = yy_cp;
}
#endif /* ifndef YY_NO_UNPUT */
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput()
#else
static int input()
#endif
{
int c;
*yy_c_buf_p = yy_hold_char;
if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
{
/* yy_c_buf_p now points to the character we want to return.
* If this occurs *before* the EOB characters, then it's a
* valid NUL; if not, then we've hit the end of the buffer.
*/
if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
/* This was really a NUL. */
*yy_c_buf_p = '\0';
else
{ /* need more input */
int offset = 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 );
/* fall through */
case EOB_ACT_END_OF_FILE:
{
if ( yywrap() )
return EOF;
if ( ! yy_did_buffer_switch_on_eof )
YY_NEW_FILE;
#ifdef __cplusplus
return yyinput();
#else
return input();
#endif
}
case EOB_ACT_CONTINUE_SCAN:
yy_c_buf_p = yytext_ptr + offset;
break;
}
}
}
c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */
*yy_c_buf_p = '\0'; /* preserve yytext */
yy_hold_char = *++yy_c_buf_p;
yy_current_buffer->yy_at_bol = (c == '\n');
return c;
}
#endif /* YY_NO_INPUT */
#ifdef YY_USE_PROTOS
void yyrestart( FILE *input_file )
#else
void yyrestart( input_file )
FILE *input_file;
#endif
{
if ( ! yy_current_buffer )
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
yy_init_buffer( yy_current_buffer, input_file );
yy_load_buffer_state();
}
#ifdef YY_USE_PROTOS
void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
#else
void yy_switch_to_buffer( new_buffer )
YY_BUFFER_STATE new_buffer;
#endif
{
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->yy_buf_pos = yy_c_buf_p;
yy_current_buffer->yy_n_chars = yy_n_chars;
}
yy_current_buffer = new_buffer;
yy_load_buffer_state();
/* We don't actually know whether we did this switch during
* EOF (yywrap()) processing, but the only time this flag
* is looked at is after yywrap() is called, so it's safe
* to go ahead and always set it.
*/
yy_did_buffer_switch_on_eof = 1;
}
#ifdef YY_USE_PROTOS
void yy_load_buffer_state( void )
#else
void yy_load_buffer_state()
#endif
{
yy_n_chars = yy_current_buffer->yy_n_chars;
yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
yyin = yy_current_buffer->yy_input_file;
yy_hold_char = *yy_c_buf_p;
}
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
#else
YY_BUFFER_STATE yy_create_buffer( file, size )
FILE *file;
int size;
#endif
{
YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE) yy_flex_alloc( 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 *) yy_flex_alloc( 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;
}
#ifdef YY_USE_PROTOS
void yy_delete_buffer( YY_BUFFER_STATE b )
#else
void yy_delete_buffer( b )
YY_BUFFER_STATE b;
#endif
{
if ( ! b )
return;
if ( b == yy_current_buffer )
yy_current_buffer = (YY_BUFFER_STATE) 0;
if ( b->yy_is_our_buffer )
yy_flex_free( (void *) b->yy_ch_buf );
yy_flex_free( (void *) b );
}
#ifdef YY_USE_PROTOS
void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
#else
void yy_init_buffer( b, file )
YY_BUFFER_STATE b;
FILE *file;
#endif
{
yy_flush_buffer( b );
b->yy_input_file = file;
b->yy_fill_buffer = 1;
#if YY_ALWAYS_INTERACTIVE
b->yy_is_interactive = 1;
#else
#if YY_NEVER_INTERACTIVE
b->yy_is_interactive = 0;
#else
b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
#endif
#endif
}
#ifdef YY_USE_PROTOS
void yy_flush_buffer( YY_BUFFER_STATE b )
#else
void yy_flush_buffer( b )
YY_BUFFER_STATE b;
#endif
{
if ( ! b )
return;
b->yy_n_chars = 0;
/* We always need two end-of-buffer characters. The first causes
* a transition to the end-of-buffer state. The second causes
* a jam in that state.
*/
b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
b->yy_buf_pos = &b->yy_ch_buf[0];
b->yy_at_bol = 1;
b->yy_buffer_status = YY_BUFFER_NEW;
if ( b == yy_current_buffer )
yy_load_buffer_state();
}
#ifndef YY_NO_SCAN_BUFFER
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
#else
YY_BUFFER_STATE yy_scan_buffer( base, size )
char *base;
yy_size_t size;
#endif
{
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 0;
b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
b->yy_buf_pos = b->yy_ch_buf = base;
b->yy_is_our_buffer = 0;
b->yy_input_file = 0;
b->yy_n_chars = b->yy_buf_size;
b->yy_is_interactive = 0;
b->yy_at_bol = 1;
b->yy_fill_buffer = 0;
b->yy_buffer_status = YY_BUFFER_NEW;
yy_switch_to_buffer( b );
return b;
}
#endif
#ifndef YY_NO_SCAN_STRING
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
#else
YY_BUFFER_STATE yy_scan_string( yy_str )
yyconst char *yy_str;
#endif
{
int len;
for ( len = 0; yy_str[len]; ++len )
;
return yy_scan_bytes( yy_str, len );
}
#endif
#ifndef YY_NO_SCAN_BYTES
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
#else
YY_BUFFER_STATE yy_scan_bytes( bytes, len )
yyconst char *bytes;
int len;
#endif
{
YY_BUFFER_STATE b;
char *buf;
yy_size_t n;
int i;
/* Get memory for full buffer, including space for trailing EOB's. */
n = len + 2;
buf = (char *) yy_flex_alloc( n );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
for ( i = 0; i < len; ++i )
buf[i] = bytes[i];
buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
b = yy_scan_buffer( buf, n );
if ( ! b )
YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
/* It's okay to grow etc. this buffer, and we should throw it
* away when we're done.
*/
b->yy_is_our_buffer = 1;
return b;
}
#endif
#ifndef YY_NO_PUSH_STATE
#ifdef YY_USE_PROTOS
static void yy_push_state( int new_state )
#else
static void yy_push_state( new_state )
int new_state;
#endif
{
if ( yy_start_stack_ptr >= yy_start_stack_depth )
{
yy_size_t new_size;
yy_start_stack_depth += YY_START_STACK_INCR;
new_size = yy_start_stack_depth * sizeof( int );
if ( ! yy_start_stack )
yy_start_stack = (int *) yy_flex_alloc( new_size );
else
yy_start_stack = (int *) yy_flex_realloc(
(void *) yy_start_stack, new_size );
if ( ! yy_start_stack )
YY_FATAL_ERROR(
"out of memory expanding start-condition stack" );
}
yy_start_stack[yy_start_stack_ptr++] = YY_START;
BEGIN(new_state);
}
#endif
#ifndef YY_NO_POP_STATE
static void yy_pop_state()
{
if ( --yy_start_stack_ptr < 0 )
YY_FATAL_ERROR( "start-condition stack underflow" );
BEGIN(yy_start_stack[yy_start_stack_ptr]);
}
#endif
#ifndef YY_NO_TOP_STATE
static int yy_top_state()
{
return yy_start_stack[yy_start_stack_ptr - 1];
}
#endif
#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif
#ifdef YY_USE_PROTOS
static void yy_fatal_error( yyconst char msg[] )
#else
static void yy_fatal_error( msg )
char msg[];
#endif
{
(void) fprintf( stderr, "%s\n", msg );
exit( YY_EXIT_FAILURE );
}
/* Redefine yyless() so it works in section 3 code. */
#undef yyless
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
yytext[yyleng] = yy_hold_char; \
yy_c_buf_p = yytext + n; \
yy_hold_char = *yy_c_buf_p; \
*yy_c_buf_p = '\0'; \
yyleng = n; \
} \
while ( 0 )
/* Internal utility routines. */
#ifndef yytext_ptr
#ifdef YY_USE_PROTOS
static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
#else
static void yy_flex_strncpy( s1, s2, n )
char *s1;
yyconst char *s2;
int n;
#endif
{
register int i;
for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
#endif
#ifdef YY_NEED_STRLEN
#ifdef YY_USE_PROTOS
static int yy_flex_strlen( yyconst char *s )
#else
static int yy_flex_strlen( s )
yyconst char *s;
#endif
{
register int n;
for ( n = 0; s[n]; ++n )
;
return n;
}
#endif
#ifdef YY_USE_PROTOS
static void *yy_flex_alloc( yy_size_t size )
#else
static void *yy_flex_alloc( size )
yy_size_t size;
#endif
{
return (void *) malloc( size );
}
#ifdef YY_USE_PROTOS
static void *yy_flex_realloc( void *ptr, yy_size_t size )
#else
static void *yy_flex_realloc( ptr, size )
void *ptr;
yy_size_t size;
#endif
{
/* 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 (void *) realloc( (char *) ptr, size );
}
#ifdef YY_USE_PROTOS
static void yy_flex_free( void *ptr )
#else
static void yy_flex_free( ptr )
void *ptr;
#endif
{
free( ptr );
}
#if YY_MAIN
int main()
{
yylex();
return 0;
}
#endif
#line 452 "scan.ll"
/* make it work with flex 2.5.31 */
#ifndef yytext_ptr
#define yytext_ptr yytext
#endif
#define MAX_STACK_LEVELS 16
static int input_stack_index=0;
YY_BUFFER_STATE input_stack[MAX_STACK_LEVELS];
/************************************************************************
* yywrap()
*
* Revert to an old input stream if there is one. If there is not an old
* old stream, then the lexer will try to get data from YY_INPUT which
* is a macro that calls gpsim_read() (see scan.h).
* An 'old' stream is one that was interrupted by a macro expansion.
*
*/
#ifdef yywrap
#undef yywrap
#endif
int yywrap (void)
{
if(input_stack_index) {
yy_delete_buffer(YY_CURRENT_BUFFER);
yy_switch_to_buffer(input_stack[--input_stack_index]);
return 0;
}
return 1;
}
/************************************************************************
* push_input_stack
*
* called when macros are being expanded.
*/
static void push_input_stack(void)
{
if(input_stack_index<MAX_STACK_LEVELS)
input_stack[input_stack_index++] = YY_CURRENT_BUFFER;
}
/************************************************************************
*
*/
static int recognize(int token_id,const char *description)
{
/* add optional debugging stuff here */
if((bool)verbose && description)
cout << "scan: " << description << endl;
return(token_id);
}
/************************************************************************
*/
int translate_token(int tt)
{
switch(tt)
{
case OPT_TT_BITFLAG:
return recognize(BIT_FLAG,"BIT_FLAG");
case OPT_TT_NUMERIC:
return recognize(EXPRESSION_OPTION,"EXPRESSION_OPTION");
case OPT_TT_STRING:
return recognize(STRING_OPTION,"STRING_OPTION");
case OPT_TT_SUBTYPE:
return recognize(CMD_SUBTYPE,"CMD_SUBTYPE");
case OPT_TT_SYMBOL:
return recognize(SYMBOL_OPTION,"SYMBOL_OPTION");
}
return 0;
}
static bool bTryMacroParameterExpansion(string &s)
{
// If we're invoking a macro, search the parameters
string replaced;
Macro *currentMacro = theMacroChain.nextParamSource();
if (verbose & 4) {
cout << "Searching for parameter named:" << s;
if (currentMacro)
cout << " in macro: " << currentMacro->name() << endl;
else
cout << " but there is no current macro\n";
}
if(currentMacro && currentMacro->substituteParameter(s,replaced))
if(replaced != s) {
if (verbose & 4)
cout << " -- found it and replaced it with " << replaced << endl;
if (bTryMacroParameterExpansion (replaced))
return true;
push_input_stack();
yy_scan_string(replaced.c_str());
theMacroChain.resetParamSource();
return true;
}
theMacroChain.popParamSource();
return false;
}
/*************************************************************************
*
* handle_identifier
*
* input string &s
* cmd_options **op
* output int
*
* 1 - If `op' is NULL, then handle identifier hasn't been called
* for the current command that's being processed. So, the
* the string `s' is compared to all of the valid commands.
* If it is valid, then `op' is assigned a pointer to the
* options associated with the command. If the string is not
* found, then that's a syntax error and the string is ignored.
* 2 - If `op' is non-NULL, then handle_identifier has been called
* at least once before for the command that's being processed.
* So the string `s' is then compared to the options associated
* with the command. If an option is not found, then the string
* is returned to the parser (as a type STRING). This places the
* burden of syntax checking on the parser and/or the individual
* command.
*
*/
int handle_identifier(YYSTYPE* yylvalP, string &s, cmd_options **op )
{
int retval = 0;
// If no command has been found so far, then the options (*op)
// haven't been selected either (and consequently *op is null).
if(! *op) {
// If the first character in the string is a ' (single quote character) then
// this means that the user is explicitly trying to access a user defined symbol
// (e.g. if there is variable named "help" in the user's symbol table, then the
// only way to get access to it is by using the single quote character:
// 'help
if(s[0] == '\'')
// Strip away the quote, we won't treat this as a command and the parser
// doesn't want to know about it.
s=s.erase(0,1);
else {
// Search the commands
pLexerState->cmd = search_commands(s);
if(pLexerState->cmd) {
if(verbose&2)
cout << "\n *******\nprocessing command " << (pLexerState->cmd->name) << "\n token value " <<
(pLexerState->cmd->get_token()) << "\n *******\n";
*op = pLexerState->cmd->get_op();
pLexerState->have_parameters = 0;
retval = pLexerState->cmd->get_token();
// ugh. This is problem when the parser becomes re-entrant.
last_command_is_repeatable = pLexerState->cmd->is_repeatable();
return recognize(retval,"good command");
}
}
// Search the macros
yylvalP->Macro_P = isMacro(s);
if(yylvalP->Macro_P) {
return MACROINVOCATION_T;
}
if (bTryMacroParameterExpansion(s))
return 0;
} else {
if(verbose&2)
cout << "search options for command '"
<< (pLexerState->cmd ? pLexerState->cmd->name : "?")
<< "'\n";
if (bTryMacroParameterExpansion(s))
return 0;
// We already have the command, so search the options.
struct cmd_options *opt = *op;
// We also have one or more parameters now (though they
// may not be correct, but that's the parser's job to determine).
pLexerState->have_parameters = 1;
while(opt->name)
if(strcmp(opt->name, s.c_str()) == 0) {
if(verbose&2)
cout << "found option '" << opt->name << "'\n";
yylvalP->co = opt;
return recognize(translate_token(opt->token_type),"option");
}
else
opt++;
}
// If we get here, then the option was not found.
// So let's check the symbols
Processor *cpu;
if(s[0] == '.' && (cpu = get_active_cpu()) != 0)
s.insert(0,cpu->name());
string s1(s);
Value *sym = get_symbol_table().find(s1);
if(sym) {
yylvalP->Symbol_P = sym;
if(verbose&2)
cout << "found symbol '" << sym->name() << "'\n";
return recognize(SYMBOL_T,"symbol");
}
//cout << "didn't find it in the symbol list\n";
// Either 1) there's a typo or 2) the command is creating
// a new symbol or node or something along those lines.
// In either case, let's let the parser deal with it.
if(verbose&2)
cout << " returning unknown string: " << s << endl;
return process_stringLiteral(yylvalP,s.c_str());
return 0;
}
/*****************************************************************
* Process an integer literal. This routine constructs the
* YYSTYPE object. The caller is responsible from returning the
* LITERAL_INT_T token identifer to the parser.
*/
static int process_intLiteral(YYSTYPE* yylvalP, char *buffer, int conversionBase)
{
char c;
gint64 literalValue=0;
gint64 nxtDigit;
while (*buffer) {
c = toupper(*buffer++);
nxtDigit = (c) <= '9' ? c-'0' : c-'A'+10;
if ((nxtDigit >= conversionBase) || (nxtDigit<0)) {
/* If the next digit exceeds the base, then it's an error unless
this is a binary conversion and the character is a single quote */
if(!(conversionBase == 2 && c == '\''))
literalValue = 0;
break;
}
literalValue *= conversionBase;
literalValue += nxtDigit;
}
yylvalP->Integer_P = new Integer(literalValue);
return(recognize(LITERAL_INT_T,"literal int"));
}
/*****************************************************************
*
*/
static int process_macroBody(YYSTYPE* yylvalP, const char *text)
{
yylvalP->s = strdup(text);
return recognize(MACROBODY_T,"macro body");
}
/*****************************************************************
*
*/
static int process_booleanLiteral(YYSTYPE* yylvalP, bool value)
{
yylvalP->Boolean_P = new Boolean(value);
return(recognize(LITERAL_BOOL_T, "boolean literal"));
}
/*****************************************************************
*
*/
static int process_floatLiteral(YYSTYPE* yylvalP, char *buffer)
{
double floatValue;
#if 0
errno = 0;
floatValue = atof(buffer);
if (errno != 0) {
/* The conversion failed */
throw new Error("Bad floating point literal");
}
#else
char *endptr=0;
floatValue = strtod(buffer, &endptr);
if (endptr == buffer)
throw new Error("Bad floating point literal");
#endif
yylvalP->Float_P = new Float(floatValue);
return(recognize(LITERAL_FLOAT_T, "float literal"));
}
/*****************************************************************
*
*/
static int process_stringLiteral(YYSTYPE* yylvalP, const char *buffer)
{
yylvalP->String_P = new String(buffer);
return(recognize(LITERAL_STRING_T, "string literal"));
}
static int process_quotedStringLiteral(YYSTYPE* yylvalP, const char *buffer)
{
char * pCloseQuote = strchr(buffer, '\"');
if(pCloseQuote == NULL)
pCloseQuote = strchr(buffer, '\'');
*pCloseQuote = 0;
yylvalP->String_P = new String(buffer);
return(recognize(LITERAL_STRING_T, "string literal"));
}
/*****************************************************************
*
*/
static int process_shellLine(YYSTYPE* yylvalP, const char *buffer)
{
yylvalP->String_P = new String(buffer);
return(recognize(SHELL, "shell line"));
}
static string
strip_trailing_whitespace (char *s)
{
string retval = s;
size_t pos = retval.find_first_of (" \t");
if (pos != string::npos)
retval.resize (pos);
return retval;
}
//------------------------------------------------------------------------
static void SetMode(int newmode)
{
BEGIN(newmode);
if(pLexerState)
pLexerState->mode = newmode;
}
void initialize_commands(void);
void init_cmd_state(void)
{
if(pLexerState) {
if (verbose)
cout << "scan: clearing lexer state and flushing buffer\n";
pLexerState->cmd = 0;
pLexerState->options = 0;
pLexerState->input_mode = 0;
pLexerState->end_of_command = 0;
pLexerState->have_parameters = 0;
pLexerState->mode = 0;
}
}
void FlushLexerBuffer() {
#ifdef YY_FLUSH_BUFFER
YY_FLUSH_BUFFER;
#else
yy_flush_buffer( YY_CURRENT_BUFFER );
#endif
}
static void pushLexerState()
{
if(verbose)
cout << "pushing lexer state: from level " << sLevels
<< " to " << (sLevels+1) << endl;
sLevels++;
LexerStateStruct *pLS = new LexerStateStruct();
if(pLexerState)
pLexerState->next = pLS;
pLS->prev = pLexerState;
pLexerState = pLS;
pLS->next = 0;
init_cmd_state();
}
static void popLexerState()
{
if(verbose)
cout << "popping lexer state: from level " << sLevels
<< " to " << (sLevels-1) << endl;
sLevels--;
if(pLexerState) {
LexerStateStruct *pLS = pLexerState;
pLexerState = pLS->prev;
if(pLexerState) {
pLexerState->next = 0;
pLexerState->cmd = 0;
pLexerState->options = 0;
}
SetMode(pLS->mode);
delete pLS;
}
}
int
scan_read (char *buf, unsigned max_size)
{
static int lastRet = -1;
// hack
int ret = gpsim_read(buf,max_size);
if (lastRet == ret && ret == 0) {
*buf = '\n';
ret = 1;
}
lastRet = ret;
return ret;
}
int init_parser()
{
pushLexerState();
int ret = yyparse();
popLexerState();
return ret;
}
// Tell us what the current buffer is.
YY_BUFFER_STATE
current_buffer (void)
{
return YY_CURRENT_BUFFER;
}
// Create a new buffer.
YY_BUFFER_STATE
create_buffer (FILE *f)
{
return yy_create_buffer (f, YY_BUF_SIZE);
}
// Start reading a new buffer.
void
switch_to_buffer (YY_BUFFER_STATE buf)
{
yy_switch_to_buffer (buf);
}
// Delete a buffer.
void
delete_buffer (YY_BUFFER_STATE buf)
{
yy_delete_buffer (buf);
}
// Restore a buffer (for unwind-prot).
void
restore_input_buffer (void *buf)
{
switch_to_buffer ((YY_BUFFER_STATE) buf);
}
// Delete a buffer (for unwind-prot).
void
delete_input_buffer (void *buf)
{
delete_buffer ((YY_BUFFER_STATE) buf);
}
//------------------------------------------------------------------------
// called by the parser error handler.
command *getLastKnownCommand()
{
if(pLexerState)
return pLexerState->cmd;
return 0;
}
//----------------------------------------
//
void lexer_setMacroBodyMode(void)
{
macroBodyPtr = ¯oBody[0];
if(verbose&4)
cout << "setting lexer MACROBODY mode\n";
SetMode(MACROBODY);
}
//----------------------------------------
//
void lexer_setDeclarationMode()
{
if(verbose&4)
cout << "setting lexer DECLARATION mode\n";
SetMode(DECLARATION);
}
//----------------------------------------
static bool isWhiteSpace(char c)
{
return (c==' ' || c == '\t');
}
//----------------------------------------
// getNextMacroParameter(char *s, int l)
//
// returns true if a macro parameter can be extracted
// from yyinput buffer. If it does return true, then the
// extracted macro parameter will get copied to
// the string 's'.
//
// This routine will lexically analyze a character string
// and split it up into chunks that can be passed to a
// macro invocation. It might be possible to add a new
// lex state and do this work in the lexer...
//
// If input stream looks something like:
//
// expression1, expression2, expression3, ...
//
// then this function will return true and copies 'expression1'
// to 's'.
static bool getNextMacroParameter(char *s, int l)
{
char c;
// delete all leading white space.
do {
c = yyinput();
} while(isWhiteSpace(c));
if(c==',')
goto done;
unput(c);
if(!c)
return false;
{
int nParen=0;
bool bDone = false;
do {
c = yyinput();
if(c == '(')
nParen++;
if(c == ')' && --nParen < 0 )
bDone = true;
if(c==',')
break;
if(c==0 || c=='\n' ) {
bDone=true;
unput(c);
} else
*s++ = c;
} while(--l>0 && !bDone);
}
done:
*s=0;
return true;
}
void lexer_InvokeMacro(Macro *m)
{
if(!m)
return;
if(verbose &4)
cout << "Invoking macro: " << m->name() << endl;
theMacroChain.push(m);
m->prepareForInvocation();
int i=0;
bool bValidParameter = false;
do {
i++;
char s[256];
bValidParameter = getNextMacroParameter(s,sizeof(s));
if(bValidParameter) {
m->add_parameter(s);
if(verbose &4)
cout << "macro param: " << s << endl;
}
} while (bValidParameter && i<m->nParameters());
m->invoke();
}
void scanPushMacroState(Macro *m)
{
gCurrentMacro = m;
}
void scanPopMacroState()
{
theMacroChain.pop();
}
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