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#include <stdio.h>
#include <string.h>
#include <Foundation/Foundation.h>
#define IDENT_BUFLEN 256
@interface Clang : NSObject
{
@public
/* State machine operation data. */
int cs;
/* Parsing data. */
char identBuf[IDENT_BUFLEN+1];
int identLen;
int curLine;
};
- (void) initFsm;
- (void) executeWithData:(const char *)data len:(int)len;
- (int) finish;
@end
@implementation Clang
static const char _Clang_actions [] = { 0, 1, 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1, 8, 2, 0, 8, 2, 1, 0, 2, 2, 1, 2, 2, 8, 2, 3, 1, 2, 3, 8, 2, 4, 1, 2, 4, 8, 2, 5, 1, 2, 5, 8, 2, 6, 1, 2, 6, 8, 2, 7, 1, 2, 7, 8, 3, 2, 1, 0, 3, 3, 1, 0, 3, 4, 1, 0, 3, 5, 1, 0, 3, 6, 1, 0, 3, 7, 1, 0, 0 , };
static const char _Clang_trans_keys [] = { 1, 0, 0, 12, 0, 12, 0, 0, 0, 5, 0, 7, 0, 0, 8, 9, 8, 10, 0, 0, 0, 13, 0, 13, 0, 13, 0, 13, 0, 13, 0, 13, 0, 13, 0, 13, 0, 13, 0 , };
static const char _Clang_char_class [] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 2, 2, 2, 4, 2, 2, 5, 2, 2, 2, 6, 7, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 12, 2, 2, 11, 2, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 13, 11, 11, 2, 2, 2, 2, 0 , };
static const short _Clang_index_offsets [] = { 0, 0, 13, 26, 27, 33, 41, 42, 44, 47, 48, 62, 76, 90, 104, 118, 132, 146, 160, 0 , };
static const char _Clang_indicies [] = { 1, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 6, 5, 8, 7, 7, 7, 7, 9, 8, 7, 7, 7, 7, 9, 7, 10, 12, 13, 13, 15, 15, 15, 1, 12, 10, 16, 17, 18, 16, 16, 19, 20, 21, 22, 22, 16, 22, 24, 23, 25, 26, 27, 25, 25, 28, 29, 30, 31, 31, 25, 31, 33, 32, 34, 35, 36, 34, 34, 37, 38, 39, 40, 40, 34, 40, 24, 23, 25, 26, 27, 7, 25, 11, 29, 30, 31, 31, 25, 31, 42, 41, 43, 44, 45, 43, 46, 47, 48, 48, 49, 49, 43, 50, 52, 51, 53, 54, 55, 53, 53, 56, 13, 13, 57, 57, 53, 57, 59, 58, 60, 61, 62, 60, 60, 63, 64, 64, 64, 64, 60, 64, 42, 41, 43, 44, 45, 43, 46, 47, 48, 48, 49, 49, 43, 49, 66, 65, 67, 68, 69, 67, 67, 70, 71, 71, 71, 72, 67, 72, 0 , };
static const char _Clang_index_defaults [] = { 0, 0, 4, 4, 7, 7, 11, 14, 14, 0, 10, 23, 32, 23, 41, 51, 58, 41, 65, 0 , };
static const char _Clang_trans_cond_spaces [] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0 , };
static const char _Clang_cond_targs [] = { 1, 1, 12, 9, 2, 2, 3, 4, 4, 5, 10, 6, 10, 15, 0, 18, 11, 1, 2, 13, 14, 17, 16, 10, 10, 11, 1, 2, 13, 14, 17, 16, 10, 10, 11, 1, 2, 13, 14, 17, 16, 10, 10, 11, 1, 2, 7, 13, 17, 16, 8, 10, 10, 11, 1, 2, 13, 16, 10, 10, 11, 1, 2, 13, 16, 10, 10, 11, 1, 2, 13, 18, 16, 0 , };
static const char _Clang_cond_actions [] = { 1, 19, 0, 0, 1, 19, 0, 0, 17, 0, 0, 0, 17, 1, 0, 22, 22, 3, 3, 22, 22, 22, 22, 15, 58, 81, 55, 55, 81, 81, 81, 81, 7, 34, 65, 31, 31, 65, 65, 65, 65, 11, 46, 73, 43, 43, 1, 73, 1, 73, 0, 9, 40, 69, 37, 37, 69, 69, 5, 28, 61, 25, 25, 61, 1, 13, 52, 77, 49, 49, 77, 1, 77, 0 , };
static const char _Clang_eof_actions [] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 7, 15, 11, 9, 5, 11, 13, 0 , };
static const char _Clang_nfa_targs [] = { 0, 0 , };
static const char _Clang_nfa_offsets [] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , };
static const char _Clang_nfa_push_actions [] = { 0, 0 , };
static const char _Clang_nfa_pop_trans [] = { 0, 0 , };
static const int Clang_start = 10;
static const int Clang_first_final = 10;
static const int Clang_error = 0;
static const int Clang_en_main = 10;
- (void) initFsm;
{
identLen = 0;
curLine = 1;
{
cs = ( int ) Clang_start;
}
}
- (void) executeWithData:(const char *)data len:(int)len;
{
const char *p = data;
const char *pe = data + len;
const char *eof = pe;
{
unsigned int _trans = 0;
unsigned int _have = 0;
unsigned int _cont = 1;
const char *_acts;
unsigned int _nacts;
const char *_keys;
const char *_inds;
while ( _cont == 1 )
{
if ( cs == 0 )
_cont = 0;
_have = 0;
if ( p == pe )
{
if ( p == eof )
{
if ( _have == 0 )
{
const char *__acts;
unsigned int __nacts;
__acts = _Clang_actions + _Clang_eof_actions[cs];
__nacts = ( unsigned int ) (*( __acts ))
;
__acts += 1;
while ( __nacts > 0 )
{
switch ( (*( __acts ))
) {
case 2 :
{
identBuf[identLen] = 0;
printf("ident(%i): %s\n", curLine, identBuf);
}
break;
case 3 :
{
identBuf[identLen] = 0;
printf("literal(%i): %s\n", curLine, identBuf);
}
break;
case 4 :
{
identBuf[identLen] = 0;
printf("float(%i): %s\n", curLine, identBuf);
}
break;
case 5 :
{
identBuf[identLen] = 0;
printf("int(%i): %s\n", curLine, identBuf);
}
break;
case 6 :
{
identBuf[identLen] = 0;
printf("hex(%i): 0x%s\n", curLine, identBuf);
}
break;
case 7 :
{
identBuf[identLen] = 0;
printf("symbol(%i): %s\n", curLine, identBuf);
}
break;
}
__nacts -= 1;
__acts += 1;
}
}
}
if ( _have == 0 )
_cont = 0;
}
if ( _cont == 1 )
{
if ( _have == 0 )
{
_keys = _Clang_trans_keys + (cs<<1);
_inds = _Clang_indicies + _Clang_index_offsets[cs];
if ( ((*( p ))
)<= 126 && ((*( p ))
)>= 10 )
{
int _ic = ( int ) _Clang_char_class[( int ) ((*( p ))
)- 10];
if ( _ic <= ( int ) (*( _keys+1 ))
&& _ic >= ( int ) (*( _keys ))
)
_trans = ( unsigned int ) (*( _inds + ( int ) (_ic - ( int ) (*( _keys ))
) ))
;
else
_trans = ( unsigned int ) _Clang_index_defaults[cs];
}
else
{
_trans = ( unsigned int ) _Clang_index_defaults[cs];
}
}
if ( _cont == 1 )
{
cs = ( int ) _Clang_cond_targs[_trans];
if ( _Clang_cond_actions[_trans]!= 0 )
{
_acts = _Clang_actions + _Clang_cond_actions[_trans];
_nacts = ( unsigned int ) (*( _acts ))
;
_acts += 1;
while ( _nacts > 0 )
{
switch ( (*( _acts ))
) {
case 0 :
{
if ( identLen < IDENT_BUFLEN ) {
identBuf[identLen] = (((*( p ))
));
identLen += 1;
}
}
break;
case 1 :
{
identLen = 0;
}
break;
case 2 :
{
identBuf[identLen] = 0;
printf("ident(%i): %s\n", curLine, identBuf);
}
break;
case 3 :
{
identBuf[identLen] = 0;
printf("literal(%i): %s\n", curLine, identBuf);
}
break;
case 4 :
{
identBuf[identLen] = 0;
printf("float(%i): %s\n", curLine, identBuf);
}
break;
case 5 :
{
identBuf[identLen] = 0;
printf("int(%i): %s\n", curLine, identBuf);
}
break;
case 6 :
{
identBuf[identLen] = 0;
printf("hex(%i): 0x%s\n", curLine, identBuf);
}
break;
case 7 :
{
identBuf[identLen] = 0;
printf("symbol(%i): %s\n", curLine, identBuf);
}
break;
case 8 :
{
curLine += 1;
}
break;
}
_nacts -= 1;
_acts += 1;
}
}
if ( cs == 0 )
_cont = 0;
if ( _cont == 1 )
p += 1;
}
}
}
}
}
- (int) finish;
{
if ( cs == Clang_error )
return -1;
if ( cs >= Clang_first_final )
return 1;
return 0;
}
@end
#define BUFSIZE 2048
Clang *fsm;
char buf[BUFSIZE];
void test( char *buf )
{
int len = strlen(buf);
fsm = [[Clang alloc] init];
[fsm initFsm];
[fsm executeWithData:buf len:len];
if ( [fsm finish] > 0 )
printf("ACCEPT\n");
else
printf("FAIL\n");
}
int main()
{
test(
"999 0xaAFF99 99.99 /*\n"
"*/ 'lksdj' //\n"
"\"\n"
"\n"
"literal\n"
"\n"
"\n"
"\"0x00aba foobardd.ddsf 0x0.9\n" );
test(
"wordwithnum00asdf\n"
"000wordfollowsnum,makes new symbol\n"
"\n"
"finishing early /* unfinished ...\n" );
test(
"/*\n"
" * Copyright\n"
" */\n"
"\n"
"/* Aapl.\n"
" */\n"
" \n"
"#define _AAPL_RESIZE_H\n"
"\n"
"#include <assert.h>\n"
"\n"
"#ifdef AAPL_NAMESPACE\n"
"namespace Aapl {\n"
"#endif\n"
"#define LIN_DEFAULT_STEP 256\n"
"#define EXPN_UP( existing, needed ) \\\n"
" need > eng ? (ned<<1) : eing\n"
" \n"
"\n"
"/*@}*/\n"
"#undef EXPN_UP\n"
"#ifdef AAPL_NAMESPACE\n"
"#endif /* _AAPL_RESIZE_H */\n" );
return 0;
}
|
