/* 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>
/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif
#ifdef __cplusplus
#include <stdlib.h>
#include <unistd.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 80
#define YY_END_OF_BUFFER 81
static yyconst short int yy_accept[217] =
{ 0,
0, 0, 0, 0, 0, 0, 81, 79, 1, 78,
77, 10, 2, 79, 74, 79, 79, 71, 70, 69,
79, 72, 8, 79, 66, 63, 64, 76, 76, 76,
76, 76, 76, 76, 76, 76, 76, 76, 76, 76,
76, 76, 76, 76, 76, 76, 21, 12, 11, 80,
4, 5, 4, 1, 2, 9, 31, 31, 3, 0,
0, 8, 57, 67, 68, 65, 76, 76, 76, 76,
76, 76, 76, 76, 37, 76, 76, 76, 41, 76,
76, 76, 43, 61, 76, 76, 76, 76, 76, 76,
76, 76, 76, 76, 76, 21, 20, 13, 14, 18,
19, 15, 17, 16, 6, 30, 0, 30, 0, 0,
0, 0, 0, 0, 0, 58, 0, 59, 76, 76,
76, 76, 76, 73, 76, 39, 76, 76, 75, 60,
76, 76, 76, 76, 76, 76, 76, 76, 76, 76,
54, 76, 76, 62, 13, 14, 29, 22, 0, 0,
23, 27, 28, 24, 26, 25, 0, 76, 76, 76,
76, 76, 38, 76, 42, 76, 76, 76, 76, 76,
76, 76, 51, 52, 76, 76, 56, 13, 22, 0,
23, 0, 32, 33, 34, 35, 76, 76, 76, 76,
76, 76, 76, 76, 76, 53, 55, 0, 76, 76,
76, 45, 46, 76, 48, 49, 50, 7, 36, 76,
76, 47, 40, 76, 44, 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, 1, 5, 6, 7, 8, 1, 9, 10,
11, 12, 13, 1, 14, 15, 16, 17, 17, 17,
17, 17, 17, 17, 17, 18, 18, 19, 1, 20,
21, 22, 1, 1, 23, 23, 23, 23, 23, 23,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
1, 25, 1, 1, 26, 1, 27, 28, 29, 30,
31, 32, 33, 34, 35, 24, 36, 37, 38, 39,
40, 41, 24, 42, 43, 44, 45, 46, 47, 48,
49, 24, 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, 1, 1, 1, 1
} ;
static yyconst int yy_meta[50] =
{ 0,
1, 1, 2, 1, 3, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 4, 4, 1, 1,
1, 1, 4, 5, 3, 5, 4, 4, 4, 4,
4, 4, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5
} ;
static yyconst short int yy_base[226] =
{ 0,
0, 0, 47, 48, 51, 52, 277, 278, 274, 278,
278, 278, 0, 0, 278, 250, 262, 278, 278, 278,
258, 278, 41, 251, 39, 278, 250, 0, 23, 26,
230, 35, 30, 224, 39, 228, 227, 42, 224, 234,
47, 43, 225, 236, 45, 222, 0, 278, 278, 68,
278, 278, 250, 258, 0, 0, 250, 104, 278, 243,
64, 72, 278, 278, 278, 278, 0, 227, 214, 222,
223, 214, 220, 205, 0, 207, 219, 209, 0, 216,
216, 201, 0, 0, 204, 62, 201, 205, 210, 199,
195, 196, 202, 192, 193, 0, 278, 76, 80, 278,
278, 278, 278, 278, 278, 278, 225, 224, 99, 102,
223, 222, 221, 220, 219, 278, 84, 0, 200, 191,
198, 181, 196, 0, 191, 0, 192, 182, 0, 0,
190, 178, 186, 172, 170, 183, 182, 173, 180, 175,
0, 172, 174, 0, 97, 106, 278, 278, 109, 116,
278, 278, 278, 278, 278, 278, 111, 158, 167, 169,
160, 158, 0, 158, 0, 170, 158, 172, 171, 155,
165, 166, 0, 0, 157, 162, 0, 113, 278, 132,
278, 120, 0, 0, 0, 0, 155, 156, 160, 159,
144, 142, 140, 136, 130, 0, 0, 122, 123, 122,
102, 0, 0, 98, 0, 0, 0, 127, 0, 70,
62, 0, 0, 64, 0, 278, 150, 155, 160, 84,
165, 167, 172, 177, 182
} ;
static yyconst short int yy_def[226] =
{ 0,
216, 1, 217, 217, 218, 218, 216, 216, 216, 216,
216, 216, 219, 220, 216, 221, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 222, 222, 222,
222, 222, 222, 222, 222, 222, 222, 222, 222, 222,
222, 222, 222, 222, 222, 222, 223, 216, 216, 224,
216, 216, 216, 216, 219, 220, 216, 225, 216, 216,
216, 216, 216, 216, 216, 216, 222, 222, 222, 222,
222, 222, 222, 222, 222, 222, 222, 222, 222, 222,
222, 222, 222, 222, 222, 222, 222, 222, 222, 222,
222, 222, 222, 222, 222, 223, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 222, 222, 222,
222, 222, 222, 222, 222, 222, 222, 222, 222, 222,
222, 222, 222, 222, 222, 222, 222, 222, 222, 222,
222, 222, 222, 222, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 222, 222, 222,
222, 222, 222, 222, 222, 222, 222, 222, 222, 222,
222, 222, 222, 222, 222, 222, 222, 216, 216, 216,
216, 216, 222, 222, 222, 222, 222, 222, 222, 222,
222, 222, 222, 222, 222, 222, 222, 216, 222, 222,
222, 222, 222, 222, 222, 222, 222, 216, 222, 222,
222, 222, 222, 222, 222, 0, 216, 216, 216, 216,
216, 216, 216, 216, 216
} ;
static yyconst short int yy_nxt[328] =
{ 0,
8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
8, 18, 19, 20, 21, 22, 23, 23, 24, 25,
26, 27, 28, 28, 8, 8, 29, 30, 31, 32,
33, 34, 28, 28, 35, 28, 28, 36, 37, 38,
39, 40, 41, 42, 43, 44, 45, 46, 28, 48,
48, 49, 49, 52, 52, 61, 70, 62, 62, 64,
65, 68, 53, 53, 69, 73, 76, 71, 77, 74,
79, 50, 50, 83, 75, 87, 89, 88, 93, 94,
117, 117, 80, 84, 98, 99, 61, 56, 62, 62,
132, 90, 145, 146, 215, 100, 146, 146, 157, 101,
117, 117, 133, 214, 134, 135, 102, 148, 213, 103,
151, 104, 108, 178, 146, 149, 150, 179, 150, 150,
109, 110, 146, 146, 181, 180, 150, 182, 182, 146,
146, 111, 150, 150, 198, 112, 182, 182, 208, 208,
179, 212, 113, 208, 208, 114, 211, 115, 150, 150,
47, 47, 47, 47, 47, 51, 51, 51, 51, 51,
55, 210, 55, 55, 55, 57, 209, 57, 57, 57,
67, 67, 96, 207, 206, 96, 96, 97, 205, 97,
97, 97, 107, 204, 107, 107, 107, 203, 202, 201,
200, 199, 197, 196, 195, 194, 193, 192, 191, 190,
189, 188, 187, 186, 185, 184, 183, 177, 176, 175,
174, 173, 172, 171, 170, 169, 168, 167, 166, 165,
164, 163, 162, 161, 160, 159, 158, 156, 155, 154,
153, 152, 147, 147, 144, 143, 142, 141, 140, 139,
138, 137, 136, 131, 130, 129, 128, 127, 126, 125,
124, 123, 122, 121, 120, 119, 118, 116, 106, 54,
105, 95, 92, 91, 86, 85, 82, 81, 78, 72,
66, 63, 60, 59, 58, 54, 216, 7, 216, 216,
216, 216, 216, 216, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216
} ;
static yyconst short int yy_chk[328] =
{ 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, 3,
4, 3, 4, 5, 6, 23, 30, 23, 23, 25,
25, 29, 5, 6, 29, 32, 33, 30, 33, 32,
35, 3, 4, 38, 32, 41, 42, 41, 45, 45,
61, 61, 35, 38, 50, 50, 62, 220, 62, 62,
86, 42, 98, 98, 214, 50, 99, 99, 117, 50,
117, 117, 86, 211, 86, 86, 50, 109, 210, 50,
110, 50, 58, 145, 145, 109, 109, 149, 110, 110,
58, 58, 146, 146, 150, 149, 149, 157, 157, 178,
178, 58, 150, 150, 182, 58, 182, 182, 198, 198,
180, 204, 58, 208, 208, 58, 201, 58, 180, 180,
217, 217, 217, 217, 217, 218, 218, 218, 218, 218,
219, 200, 219, 219, 219, 221, 199, 221, 221, 221,
222, 222, 223, 195, 194, 223, 223, 224, 193, 224,
224, 224, 225, 192, 225, 225, 225, 191, 190, 189,
188, 187, 176, 175, 172, 171, 170, 169, 168, 167,
166, 164, 162, 161, 160, 159, 158, 143, 142, 140,
139, 138, 137, 136, 135, 134, 133, 132, 131, 128,
127, 125, 123, 122, 121, 120, 119, 115, 114, 113,
112, 111, 108, 107, 95, 94, 93, 92, 91, 90,
89, 88, 87, 85, 82, 81, 80, 78, 77, 76,
74, 73, 72, 71, 70, 69, 68, 60, 57, 54,
53, 46, 44, 43, 40, 39, 37, 36, 34, 31,
27, 24, 21, 17, 16, 9, 7, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216, 216, 216, 216,
216, 216, 216, 216, 216, 216, 216
} ;
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 "mgllex.l"
#define INITIAL 0
#line 2 "mgllex.l"
/*
* mgllex.l - Lexer for Bootrom Menu Generation Language
*
* Copyright (C) 1997-2003 Gero Kuhlmann <gero@gkminix.han.de>
*
* This program 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 of the License, or
* any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: mgllex.l,v 1.4 2003/01/25 23:29:44 gkminix Exp $
*/
#include "mknbi.h"
#include "mgl.h"
#include "gencode.h"
#include "y.tab.h"
/*
********************************************************************
*
* Definition of builtin data types. We need this here for the definition
* of internal functions.
*/
/* No type - used to catch errors in type definitions */
struct typesdef none_type = {
EXPR_NONE, 0, { { 0, 0, -1 } }, NULL
};
/* Integer type */
struct typesdef int_type = {
EXPR_NUM, 2, { { -MAX_INT, MAX_INT, -1 } }, &none_type
};
/* String type */
struct typesdef string_type = {
EXPR_STRING, MAX_STR_LEN, { { 0, 0, -1 } }, &int_type
};
/* Type for string index */
struct typesdef strindex_type = {
EXPR_NUM, 2, { { 0, 255, -1 } }, & string_type
};
/* Character type */
struct typesdef char_type = {
EXPR_CHAR, 1, { { 0, MAX_CHAR, -1 } }, &strindex_type
};
/* Boolean type */
struct typesdef bool_type = {
EXPR_BOOL, 1, { { 0, 1, -1 } }, &char_type
};
/* Table of names for predefined types */
struct {
char *name;
struct typesdef *t;
} predeftypes[] = {
{ "integer", &int_type },
{ "string", &string_type },
{ "char", &char_type },
{ "boolean", &bool_type },
{ "logical", &bool_type },
{ NULL, NULL }
};
/*
********************************************************************
*
* List of internally defined constants
*/
struct {
char *name;
char *strval;
int numval;
struct typesdef *t;
} predefconsts[] = {
{ "maxint", NULL, MAX_INT, &int_type },
{ "true", NULL, 1, &bool_type },
{ "false", NULL, 0, &bool_type },
{ "BOOTP_HOSTNAME", NULL, 12, &int_type },
{ "BOOTP_DOMAIN", NULL, 15, &int_type },
{ "BOOTP_ROOTPATH", NULL, 17, &int_type },
{ NULL, NULL, 0, NULL }
};
/*
********************************************************************
*
* List of internally defined variables.
*/
struct {
char *name;
long addr;
struct typesdef *t;
} predefvars[] = {
{ "servername", ADDR_SERVERNAME, &string_type },
{ "hostname", ADDR_HOSTNAME, &string_type },
{ NULL, 0, NULL }
};
/*
********************************************************************
*
* Definition of internal functions. To add a new internal function,
* simply assign a new CMD_* value to pass to the runtime module, and
* add a new entry here. You might optionally add a collapsing function
* into mglparse.y for constant arguments.
*/
struct {
char *name;
struct funcdef f;
} functab[] = {
/* This is a general scalar operation - int types are just dummies */
{ "pred", { 0, 0, CMD_PRED, 1, &int_type,
{ &int_type }, { ATTR_NONE } } },
/* This is a general scalar operation - int types are just dummies */
{ "succ", { 0, 0, CMD_SUCC, 1, &int_type,
{ &int_type }, { ATTR_NONE } } },
/* This is a general scalar operation - int types are just dummies */
{ "ord", { 0, 0, CMD_ORD, 1, &int_type,
{ &int_type }, { ATTR_NONE } } },
{ "odd", { 0, 0, CMD_ODD, 1, &bool_type,
{ &int_type }, { ATTR_NONE } } },
{ "chr", { 0, 0, CMD_CHR, 1, &char_type,
{ &int_type }, { ATTR_NONE } } },
{ "strlen", { 0, 0, CMD_STRLEN, 1, &int_type,
{ &string_type }, { ATTR_CONST } } },
{ "strsub", { 0, 0, CMD_STRSUB, 3, &string_type,
{ &string_type, &int_type, &int_type },
{ ATTR_CONST, ATTR_NONE, ATTR_NONE } } },
{ "abs", { 0, 0, CMD_ABS, 1, &int_type,
{ &int_type }, { ATTR_NONE } } },
{ "sqr", { 0, 0, CMD_SQR, 1, &int_type,
{ &int_type }, { ATTR_NONE } } },
{ "cls", { 0, 0, CMD_CLS, 0, NULL,
{ NULL }, { ATTR_NONE } } },
{ NULL, { 0, 0, CMD_NONE, 0, NULL,
{ NULL }, { ATTR_NONE } } }
};
/*
********************************************************************
*
* Some symbols are used internally by the lexer, and just return a
* token to the parser. This way, we can redefine the symbols in the
* user program, and still use them as tokens in the parser.
*/
struct {
char *name;
int token;
} specialtab[] = {
{ "at", AT },
{ "from", FROM },
{ "gateway", GATEWAY },
{ "get", GET },
{ "gotoxy", GOTOXY },
{ "load", LOAD },
{ "menu", MENU },
{ "print", PRINT },
{ "timeout", TIMEOUT },
{ NULL, 0 }
};
/*
********************************************************************
*
* Global variables
*/
char *curfile; /* Name of current input file */
/*
********************************************************************
*
* String buffer for C style strings
*/
static char string_buf[MAX_STR_LEN + 1]; /* string buffer */
static char *string_pos; /* current string position */
static int string_flag; /* flag if string too long */
/*
********************************************************************
*
* Routine to add a character to the constant string
*/
static void add_string(c)
char c;
{
if (string_pos >= &string_buf[MAX_STR_LEN]) {
if (!string_flag) {
warning("string too long, truncating");
string_flag++;
}
} else
*string_pos++ = c;
}
/*
********************************************************************
*
* Define some generally useful regular expressions
*/
/*
********************************************************************
*
* Always use a pointer for yytext
*/
/*
********************************************************************
*
* Define an exclusive start state for scanning C style strings
*/
#define Cstring 1
#define Comment 2
#line 750 "lex.yy.c"
/* 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 \
YY_USER_ACTION
YY_DECL
{
register yy_state_type yy_current_state;
register char *yy_cp, *yy_bp;
register int yy_act;
#line 259 "mgllex.l"
/*
********************************************************************
*
* Skip all whitespace and comments
*/
#line 911 "lex.yy.c"
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_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 >= 217 )
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] != 278 );
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 268 "mgllex.l"
;
YY_BREAK
case 2:
YY_RULE_SETUP
#line 269 "mgllex.l"
;
YY_BREAK
case 3:
YY_RULE_SETUP
#line 271 "mgllex.l"
{ BEGIN Comment; } /* Switch to comment mode */
YY_BREAK
case 4:
YY_RULE_SETUP
#line 272 "mgllex.l"
; /* Throw away any comment text */
YY_BREAK
case 5:
YY_RULE_SETUP
#line 273 "mgllex.l"
{ lineno++; } /* We still have to count line numbers */
YY_BREAK
case 6:
YY_RULE_SETUP
#line 274 "mgllex.l"
{ BEGIN INITIAL; } /* Return to regular mode */
YY_BREAK
/*
********************************************************************
*
* Parse an IP number
*/
case 7:
YY_RULE_SETUP
#line 283 "mgllex.l"
{
#ifdef HAVE_INET
static struct in_addr addr;
if ((unsigned long)(addr.s_addr = inet_addr(yytext)) ==
(unsigned long)-1) {
warning("invalid IP address, assuming 0.0.0.0");
addr.s_addr = INADDR_ANY;
}
#else
static char addr[INADDR_SIZE];
warning("no IP address support available, assuming 0.0.0.0");
memset(addr, 0, INADDR_SIZE);
#endif
yylval.inaddr = (char *)&addr;
return(INADDR);
}
YY_BREAK
/*
********************************************************************
*
* Parse an integer number
*/
case 8:
YY_RULE_SETUP
#line 309 "mgllex.l"
{
/* Decimal number */
char *cp;
unsigned long result = 0;
for (cp = yytext; *cp; cp++) {
result = result * 10 + *cp - '0';
if (result > MAX_INT) {
warning("integer number too large, assuming maximum");
result = MAX_INT;
break;
}
}
yylval.intarg = result;
return(NUM);
}
YY_BREAK
case 9:
YY_RULE_SETUP
#line 327 "mgllex.l"
{
/* Hex number */
char *cp;
unsigned long result = 0;
for (cp = yytext; *cp; cp++) {
if (*cp >= '0' && *cp <= '9')
result = result * 16 + *cp - '0';
else if (*cp >= 'a' && *cp <= 'f')
result = result * 16 + *cp + 10 - 'a';
else if (*cp >= 'A' && *cp <= 'F')
result = result * 16 + *cp + 10 - 'F';
if (result > MAX_INT) {
warning("integer number too large, assuming maximum");
result = MAX_INT;
break;
}
}
yylval.intarg = result;
return(NUM);
}
YY_BREAK
/*
********************************************************************
*
* Parse a C type string
*/
case 10:
YY_RULE_SETUP
#line 357 "mgllex.l"
{
string_flag = 0;
string_pos = string_buf;
BEGIN Cstring;
}
YY_BREAK
case 11:
YY_RULE_SETUP
#line 363 "mgllex.l"
{
/* All done at closing quote */
BEGIN INITIAL;
*string_pos = '\0';
yylval.string = string_buf;
return(QSTRING);
}
YY_BREAK
case 12:
YY_RULE_SETUP
#line 371 "mgllex.l"
{
/* Unterminated string constant */
BEGIN INITIAL;
warning("unterminated string constant");
*string_pos = '\0';
yylval.string = string_buf;
return(QSTRING);
}
YY_BREAK
case 13:
YY_RULE_SETUP
#line 380 "mgllex.l"
{
/* Octal escape sequence */
int result;
if (sscanf(yytext + 1, "%o", &result) != 1) {
warning("invalid octal number in string constant, "
"assuming \\377");
result = '\377';
}
if (result > 0xff) {
warning("octal number in string constant too large, "
"assuming \\377");
result = '\377';
}
add_string(result);
}
YY_BREAK
case 14:
YY_RULE_SETUP
#line 397 "mgllex.l"
{
/* Bad escape sequence */
warning("bad escape sequence, skipping");
}
YY_BREAK
case 15:
YY_RULE_SETUP
#line 402 "mgllex.l"
{ add_string('\n'); }
YY_BREAK
case 16:
YY_RULE_SETUP
#line 403 "mgllex.l"
{ add_string('\t'); }
YY_BREAK
case 17:
YY_RULE_SETUP
#line 404 "mgllex.l"
{ add_string('\r'); }
YY_BREAK
case 18:
YY_RULE_SETUP
#line 405 "mgllex.l"
{ add_string('\b'); }
YY_BREAK
case 19:
YY_RULE_SETUP
#line 406 "mgllex.l"
{ add_string('\f'); }
YY_BREAK
case 20:
YY_RULE_SETUP
#line 407 "mgllex.l"
{ add_string(yytext[1]); }
YY_BREAK
case 21:
YY_RULE_SETUP
#line 409 "mgllex.l"
{
char *yptr = yytext;
while (*yptr)
add_string(*yptr++);
}
YY_BREAK
/*
********************************************************************
*
* Parse a C type character value
*/
case 22:
YY_RULE_SETUP
#line 423 "mgllex.l"
{
/* Octal escape sequence */
int result;
yytext[strlen(yytext) - 1] = '\0';
if (sscanf(yytext + 2, "%o", &result) != 1) {
warning("invalid octal number in character constant, "
"assuming \\377");
result = '\377';
}
if (result > 0xff) {
warning("octal number in character constant too large, "
"assuming \\377");
result = '\377';
}
yylval.chrarg = result & 0xff;
return(CHR);
}
YY_BREAK
case 23:
YY_RULE_SETUP
#line 442 "mgllex.l"
{
/* Bad escape sequence */
warning("bad escape sequence, assuming \\377");
yylval.chrarg = 0xff;
return(CHR);
}
YY_BREAK
case 24:
YY_RULE_SETUP
#line 449 "mgllex.l"
{ yylval.chrarg = '\n'; return(CHR); }
YY_BREAK
case 25:
YY_RULE_SETUP
#line 450 "mgllex.l"
{ yylval.chrarg = '\t'; return(CHR); }
YY_BREAK
case 26:
YY_RULE_SETUP
#line 451 "mgllex.l"
{ yylval.chrarg = '\r'; return(CHR); }
YY_BREAK
case 27:
YY_RULE_SETUP
#line 452 "mgllex.l"
{ yylval.chrarg = '\b'; return(CHR); }
YY_BREAK
case 28:
YY_RULE_SETUP
#line 453 "mgllex.l"
{ yylval.chrarg = '\f'; return(CHR); }
YY_BREAK
case 29:
YY_RULE_SETUP
#line 454 "mgllex.l"
{ yylval.chrarg = yytext[2]; return(CHR); }
YY_BREAK
case 30:
YY_RULE_SETUP
#line 456 "mgllex.l"
{
yylval.chrarg = yytext[1];
return(CHR);
}
YY_BREAK
case 31:
YY_RULE_SETUP
#line 461 "mgllex.l"
{
warning("missing closing quote in character constant");
yylval.chrarg = yytext[1];
return(CHR);
}
YY_BREAK
/*
********************************************************************
*
* Rules to parse reserved names
*/
case 32:
YY_RULE_SETUP
#line 474 "mgllex.l"
{ return(ARRAY); }
YY_BREAK
case 33:
YY_RULE_SETUP
#line 475 "mgllex.l"
{ return(CBEGIN); }
YY_BREAK
case 34:
YY_RULE_SETUP
#line 476 "mgllex.l"
{ return(BREAK); }
YY_BREAK
case 35:
YY_RULE_SETUP
#line 477 "mgllex.l"
{ return(CONST); }
YY_BREAK
case 36:
YY_RULE_SETUP
#line 478 "mgllex.l"
{ return(DEFAULT); }
YY_BREAK
case 37:
YY_RULE_SETUP
#line 479 "mgllex.l"
{ return(DO); }
YY_BREAK
case 38:
YY_RULE_SETUP
#line 480 "mgllex.l"
{ return(ELSE); }
YY_BREAK
case 39:
YY_RULE_SETUP
#line 481 "mgllex.l"
{ return(END); }
YY_BREAK
case 40:
YY_RULE_SETUP
#line 482 "mgllex.l"
{ return(FUNCTION); }
YY_BREAK
case 41:
YY_RULE_SETUP
#line 483 "mgllex.l"
{ return(IF); }
YY_BREAK
case 42:
YY_RULE_SETUP
#line 484 "mgllex.l"
{ return(ITEM); }
YY_BREAK
case 43:
YY_RULE_SETUP
#line 485 "mgllex.l"
{ return(OF); }
YY_BREAK
case 44:
YY_RULE_SETUP
#line 486 "mgllex.l"
{ return(PROCEDURE); }
YY_BREAK
case 45:
YY_RULE_SETUP
#line 487 "mgllex.l"
{ return(RECORD); }
YY_BREAK
case 46:
YY_RULE_SETUP
#line 488 "mgllex.l"
{ return(REPEAT); }
YY_BREAK
case 47:
YY_RULE_SETUP
#line 489 "mgllex.l"
{ return(RESTART); }
YY_BREAK
case 48:
YY_RULE_SETUP
#line 490 "mgllex.l"
{ return(RETURN); }
YY_BREAK
case 49:
YY_RULE_SETUP
#line 491 "mgllex.l"
{ return(SCREEN); }
YY_BREAK
case 50:
YY_RULE_SETUP
#line 492 "mgllex.l"
{ return(SELECT); }
YY_BREAK
case 51:
YY_RULE_SETUP
#line 493 "mgllex.l"
{ return(THEN); }
YY_BREAK
case 52:
YY_RULE_SETUP
#line 494 "mgllex.l"
{ return(TYPE); }
YY_BREAK
case 53:
YY_RULE_SETUP
#line 495 "mgllex.l"
{ return(UNTIL); }
YY_BREAK
case 54:
YY_RULE_SETUP
#line 496 "mgllex.l"
{ return(VAR); }
YY_BREAK
case 55:
YY_RULE_SETUP
#line 497 "mgllex.l"
{ return(WHILE); }
YY_BREAK
case 56:
YY_RULE_SETUP
#line 498 "mgllex.l"
{ return(WITH); }
YY_BREAK
case 57:
YY_RULE_SETUP
#line 500 "mgllex.l"
{ return(ASSIGN); }
YY_BREAK
case 58:
YY_RULE_SETUP
#line 501 "mgllex.l"
{ return(DOTS); }
YY_BREAK
/*
********************************************************************
*
* Logical operations
*/
case 59:
YY_RULE_SETUP
#line 510 "mgllex.l"
{ yylval.op = CMD_AND; return(ANDOP); }
YY_BREAK
case 60:
YY_RULE_SETUP
#line 511 "mgllex.l"
{ yylval.op = CMD_NOT; return(NOTOP); }
YY_BREAK
case 61:
YY_RULE_SETUP
#line 512 "mgllex.l"
{ yylval.op = CMD_OR; return(OROP); }
YY_BREAK
case 62:
YY_RULE_SETUP
#line 513 "mgllex.l"
{ yylval.op = CMD_XOR; return(XOROP); }
YY_BREAK
/*
********************************************************************
*
* Comparison rules
*/
case 63:
YY_RULE_SETUP
#line 522 "mgllex.l"
{ yylval.op = CMD_EQ; return(COMPARISON); }
YY_BREAK
case 64:
YY_RULE_SETUP
#line 523 "mgllex.l"
{ yylval.op = CMD_GT; return(COMPARISON); }
YY_BREAK
case 65:
YY_RULE_SETUP
#line 524 "mgllex.l"
{ yylval.op = CMD_GE; return(COMPARISON); }
YY_BREAK
case 66:
YY_RULE_SETUP
#line 525 "mgllex.l"
{ yylval.op = CMD_LT; return(COMPARISON); }
YY_BREAK
case 67:
YY_RULE_SETUP
#line 526 "mgllex.l"
{ yylval.op = CMD_LE; return(COMPARISON); }
YY_BREAK
case 68:
YY_RULE_SETUP
#line 527 "mgllex.l"
{ yylval.op = CMD_NE; return(COMPARISON); }
YY_BREAK
/*
********************************************************************
*
* Arithmetic operations
*/
case 69:
YY_RULE_SETUP
#line 536 "mgllex.l"
{ yylval.op = '-'; return(ADDOP); }
YY_BREAK
case 70:
YY_RULE_SETUP
#line 537 "mgllex.l"
{ yylval.op = '+'; return(ADDOP); }
YY_BREAK
case 71:
YY_RULE_SETUP
#line 538 "mgllex.l"
{ yylval.op = '*'; return(MULOP); }
YY_BREAK
case 72:
YY_RULE_SETUP
#line 539 "mgllex.l"
{ yylval.op = '/'; return(MULOP); }
YY_BREAK
case 73:
YY_RULE_SETUP
#line 540 "mgllex.l"
{ yylval.op = '/'; return(MULOP); }
YY_BREAK
case 74:
YY_RULE_SETUP
#line 541 "mgllex.l"
{ yylval.op = '%'; return(MULOP); }
YY_BREAK
case 75:
YY_RULE_SETUP
#line 542 "mgllex.l"
{ yylval.op = '%'; return(MULOP); }
YY_BREAK
/*
********************************************************************
*
* Symbol names
*/
case 76:
YY_RULE_SETUP
#line 551 "mgllex.l"
{
struct sym *sp;
yylval.symbol = NULL;
if (strlen(yytext) > MAX_ID_LEN) {
warning("ID too long, truncating to 16 characters");
yytext[MAX_ID_LEN] = '\0';
}
/* Search if symbol already exists */
for (sp = symtab; sp != NULL; sp = sp->next)
if (!strcmp(sp->name, yytext))
break;
/* If it's a special symbol, return it's token */
if (isspecialsym(sp))
return(sp->def.s.token);
/* If symbol doesn't exist, create it. */
if (sp == NULL) {
sp = (struct sym *)nbmalloc(sizeof(struct sym));
sp->type = nosym;
sp->level = curlevel;
copystr(&(sp->name), yytext);
sp->next = symtab;
symtab = sp;
}
/* Return the symbol to the parser */
yylval.symbol = sp;
return(ID);
}
YY_BREAK
/*
********************************************************************
*
* Misc. rules: count lines and ignore \r, return all other
* characters as is to the parser.
*/
case 77:
YY_RULE_SETUP
#line 592 "mgllex.l"
;
YY_BREAK
case 78:
YY_RULE_SETUP
#line 593 "mgllex.l"
{ lineno++; }
YY_BREAK
case 79:
YY_RULE_SETUP
#line 594 "mgllex.l"
{ return(yytext[0]); }
YY_BREAK
case 80:
YY_RULE_SETUP
#line 596 "mgllex.l"
ECHO;
YY_BREAK
#line 1599 "lex.yy.c"
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(Cstring):
case YY_STATE_EOF(Comment):
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;
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 >= 217 )
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 >= 217 )
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 == 216);
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 */
#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;
return c;
}
#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 );
}
#ifndef YY_ALWAYS_INTERACTIVE
#ifndef YY_NEVER_INTERACTIVE
#include<unistd.h>
#endif
#endif
#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 596 "mgllex.l"
/*
*****************************************************************************
*
* Print current token. This has to be here because the definition of yytext
* is in the lexer, and it's not consistent among different lex versions.
*/
void print_token()
{
fprintf(stderr, "'%s'", yytext);
}
/*
*****************************************************************************
*
* Initialize lexer
*/
void yylexinit(infile)
char *infile;
{
struct sym *sp;
long size;
int i;
/* Open input file */
if (infile == NULL || !*infile)
yyin = stdin;
else if ((yyin = fopen(infile, "r")) == NULL) {
perror(progname);
exit(EXIT_MGL_PROGOPEN);
}
/* Set name of current input file */
curfile = infile;
/* Preset the list of known types with builtin static type list */
typetab = &bool_type;
for (i = 0; predeftypes[i].name != NULL; i++) {
sp = (struct sym *)nbmalloc(sizeof(struct sym));
sp->type = typesym;
sp->name = predeftypes[i].name;
sp->level = -1;
sp->def.t = predeftypes[i].t;
sp->next = symtab;
symtab = sp;
}
/* The string type is special */
string_type.def.a.elementnum = MAX_STR_LEN;
string_type.def.a.indextype = &strindex_type;
string_type.def.a.basetype = &char_type;
/* Preset the list of internal functions */
for (i = 0; functab[i].name != NULL; i++) {
sp = (struct sym *)nbmalloc(sizeof(struct sym));
sp->type = funcsym;
sp->name = functab[i].name;
sp->level = -1;
sp->def.f = functab[i].f;
sp->next = symtab;
symtab = sp;
}
/* Preset the list of special symbols */
for (i = 0; specialtab[i].name != NULL; i++) {
sp = (struct sym *)nbmalloc(sizeof(struct sym));
sp->type = specialsym;
sp->name = specialtab[i].name;
sp->level = -1;
sp->def.s.token = specialtab[i].token;
sp->next = symtab;
symtab = sp;
}
/* Preset the list of internal constants */
for (i = 0; predefconsts[i].name != NULL; i++) {
sp = (struct sym *)nbmalloc(sizeof(struct sym));
sp->type = constsym;
sp->name = predefconsts[i].name;
sp->level = -1;
sp->def.c.t = predefconsts[i].t;
switch (predefconsts[i].t->type) {
case EXPR_NUM:
sp->def.c.val.i = predefconsts[i].numval;
break;
case EXPR_BOOL:
sp->def.c.val.b = predefconsts[i].numval;
break;
case EXPR_CHAR:
sp->def.c.val.c = predefconsts[i].numval;
break;
default:
break;
}
sp->next = symtab;
symtab = sp;
}
/* Preset the list of internally defined variables */
for (i = 0; predefvars[i].name != NULL; i++) {
#ifdef PARANOID
if (dataptr != predefvars[i].addr)
interror(118, "internal variable address doesn't match default");
#endif
size = predefvars[i].t->size;
if (predefvars[i].t->type == EXPR_STRING)
size++;
dataptr += (size + 1) & 0xfffe;
sp = (struct sym *)nbmalloc(sizeof(struct sym));
sp->type = varsym;
sp->name = predefvars[i].name;
sp->addr = predefvars[i].addr;
sp->level = -1;
sp->def.v.t = predefvars[i].t;
sp->def.v.attr = ATTR_CONST;
sp->next = symtab;
symtab = sp;
}
}
/*
*****************************************************************************
*
* Terminate lexer
*/
void yylexterm()
{
/* Close input file */
if (curfile != NULL && *curfile)
fclose(yyin);
}
/*
*****************************************************************************
*
* We don't want to need to use a library, so define yywrap here, if it's
* not a macro.
*/
#ifndef yywrap
int yywrap()
{
return(1);
}
#endif
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