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|
host( "working/cppscan3.rl", 1 ) @{/*
* @@LANG: c++
*/
#include <iostream>
#include <string.h>
using namespace std;
#define TK_Dlit 192
#define TK_Slit 193
#define TK_Float 194
#define TK_Id 195
#define TK_NameSep 197
#define TK_Arrow 211
#define TK_PlusPlus 212
#define TK_MinusMinus 213
#define TK_ArrowStar 214
#define TK_DotStar 215
#define TK_ShiftLeft 216
#define TK_ShiftRight 217
#define TK_IntegerDecimal 218
#define TK_IntegerOctal 219
#define TK_IntegerHex 220
#define TK_EqualsEquals 223
#define TK_NotEquals 224
#define TK_AndAnd 225
#define TK_OrOr 226
#define TK_MultAssign 227
#define TK_DivAssign 228
#define TK_PercentAssign 229
#define TK_PlusAssign 230
#define TK_MinusAssign 231
#define TK_AmpAssign 232
#define TK_CaretAssign 233
#define TK_BarAssign 234
#define TK_DotDotDot 240
#define TK_Whitespace 241
#define TK_Comment 242
#define BUFSIZE 4096
char buf[BUFSIZE];
struct Scanner
{
int cs, act;
const char *ts, *te;
void token( int tok );
void run();
void init( );
void execute( const char *data, int len );
int finish( );
};
}@
array s8 _Scanner_actions( 0, 45 ) = { 0, 1, 2, 1, 3, 1, 8, 1, 9, 1, 10, 1, 11, 1, 12, 1, 13, 1, 14, 1, 15, 1, 16, 1, 17, 1, 18, 1, 19, 1, 20, 1, 21, 1, 22, 1, 23, 1, 24, 1, 25, 1, 26, 1, 27, 1, 28, 1, 29, 1, 30, 1, 31, 1, 32, 1, 33, 1, 34, 1, 35, 1, 36, 1, 37, 1, 38, 1, 39, 1, 40, 1, 41, 1, 42, 1, 43, 1, 44, 1, 45, 2, 0, 1, 2, 3, 4, 2, 3, 5, 2, 3, 6, 2, 3, 7, 0 };
array char _Scanner_trans_keys( 0, 28 ) = { 1, 0, 0, 24, 1, 0, 0, 24, 1, 0, 11, 11, 9, 14, 13, 14, 8, 8, 8, 12, 0, 0, 13, 20, 2, 28, 2, 28, 16, 16, 16, 16, 6, 16, 16, 16, 9, 16, 10, 17, 8, 8, 8, 14, 13, 26, 13, 26, 8, 16, 11, 27, 11, 26, 22, 26, 22, 26, 22, 26, 13, 26, 22, 26, 11, 26, 15, 15, 16, 16, 13, 27, 3, 27, 16, 16, 16, 28, 0 };
array s8 _Scanner_char_class( 0, 28 ) = { 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, 4, 4, 5, 6, 7, 4, 4, 8, 9, 4, 10, 11, 12, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 4, 4, 16, 17, 4, 4, 18, 18, 18, 18, 19, 20, 21, 21, 21, 21, 21, 22, 21, 21, 21, 21, 21, 21, 21, 21, 23, 21, 21, 21, 21, 21, 4, 24, 4, 25, 21, 4, 18, 18, 18, 18, 19, 20, 21, 21, 21, 21, 21, 26, 21, 21, 21, 21, 21, 21, 21, 21, 23, 21, 21, 27, 21, 21, 4, 28, 4, 4, 0 };
array s16 _Scanner_index_offsets( 0, 329 ) = { 0, 0, 25, 25, 50, 50, 51, 57, 59, 60, 65, 66, 74, 101, 128, 129, 130, 141, 142, 150, 158, 159, 166, 180, 194, 203, 220, 236, 241, 246, 251, 265, 270, 286, 287, 288, 303, 328, 329, 0 };
array s8 _Scanner_indices( 0, 74 ) = { 0, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 0, 4, 4, 4, 4, 4, 4, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, 8, 9, 9, 0, 0, 10, 10, 10, 10, 12, 12, 11, 11, 11, 13, 15, 17, 17, 16, 16, 16, 17, 17, 17, 19, 1, 20, 21, 22, 4, 23, 24, 25, 26, 27, 28, 29, 30, 31, 20, 32, 32, 32, 32, 33, 32, 20, 34, 32, 32, 35, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 38, 39, 40, 37, 37, 37, 37, 37, 37, 37, 37, 37, 41, 42, 43, 37, 37, 37, 37, 37, 37, 44, 45, 37, 37, 37, 37, 37, 46, 47, 49, 50, 37, 37, 51, 37, 52, 52, 52, 52, 53, 53, 53, 53, 54, 55, 53, 55, 53, 53, 53, 55, 10, 10, 53, 53, 53, 53, 53, 55, 53, 55, 53, 53, 53, 55, 11, 37, 37, 37, 14, 37, 37, 37, 56, 52, 57, 58, 58, 57, 57, 57, 57, 54, 57, 57, 59, 59, 57, 57, 59, 60, 52, 61, 58, 58, 61, 61, 61, 61, 54, 61, 61, 62, 62, 61, 61, 62, 63, 63, 61, 61, 63, 64, 64, 57, 57, 64, 65, 65, 57, 57, 65, 17, 17, 66, 66, 66, 17, 17, 17, 66, 67, 67, 66, 66, 67, 68, 68, 66, 66, 68, 52, 57, 29, 29, 57, 57, 57, 57, 54, 57, 57, 59, 59, 57, 57, 59, 69, 70, 32, 32, 71, 71, 71, 32, 32, 32, 32, 32, 32, 71, 71, 32, 32, 1, 71, 71, 71, 4, 71, 71, 71, 71, 71, 32, 32, 71, 71, 71, 32, 32, 32, 32, 32, 32, 71, 71, 32, 32, 72, 73, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 74, 0 };
array s8 _Scanner_index_defaults( 0, 71 ) = { 0, 1, 1, 4, 4, 7, 0, 0, 11, 11, 14, 16, 18, 18, 37, 37, 37, 37, 37, 37, 48, 37, 53, 53, 37, 57, 61, 61, 57, 57, 66, 66, 57, 37, 37, 71, 71, 37, 37, 0 };
array s8 _Scanner_trans_cond_spaces( -1, 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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0 };
array s8 _Scanner_cond_targs( 0, 38 ) = { 12, 1, 12, 2, 3, 12, 4, 12, 12, 7, 23, 8, 9, 12, 10, 12, 12, 30, 13, 14, 12, 15, 16, 17, 18, 19, 21, 24, 25, 32, 33, 34, 35, 36, 37, 38, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 20, 12, 12, 12, 5, 22, 12, 6, 12, 12, 12, 26, 28, 11, 12, 27, 12, 29, 12, 12, 31, 12, 12, 12, 12, 12, 12, 12, 0 };
array s8 _Scanner_cond_actions( 0, 93 ) = { 79, 0, 7, 0, 0, 5, 0, 77, 51, 0, 0, 0, 0, 55, 0, 57, 75, 0, 0, 0, 53, 0, 0, 0, 0, 0, 3, 3, 90, 90, 0, 0, 0, 84, 0, 0, 73, 71, 21, 31, 23, 37, 27, 43, 33, 45, 35, 0, 69, 47, 49, 0, 87, 61, 0, 9, 29, 63, 93, 0, 0, 65, 0, 13, 0, 11, 67, 0, 15, 17, 19, 59, 39, 41, 25, 0 };
array s8 _Scanner_to_state_actions( 0, 81 ) = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 81, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
array s8 _Scanner_from_state_actions( 0, 1 ) = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
array s8 _Scanner_eof_trans( 0, 72 ) = { 0, 1, 1, 1, 1, 8, 1, 1, 8, 8, 8, 17, 0, 37, 38, 38, 38, 38, 38, 38, 49, 38, 54, 54, 38, 58, 62, 62, 58, 58, 67, 67, 58, 38, 38, 72, 72, 38, 38, 0 };
array s8 _Scanner_nfa_targs( 0, 0 ) = { 0, 0 };
array s8 _Scanner_nfa_offsets( 0, 0 ) = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
array s8 _Scanner_nfa_push_actions( 0, 0 ) = { 0, 0 };
array s8 _Scanner_nfa_pop_trans( 0, 0 ) = { 0, 0 };
value int Scanner_start = 12;
value int Scanner_first_final = 12;
value int Scanner_error = 0;
value int Scanner_en_main = 12;
host( "working/cppscan3.rl", 132 ) @{
void Scanner::init( )
{
}@
{
cs = cast(int)Scanner_start;
ts = nil;
te = nil;
act = 0;
}
host( "working/cppscan3.rl", 136 ) @{
}
/* Returns the count of bytes still in the buffer
* (shifted to the biginning) */
void Scanner::execute( const char *data, int len )
{
const char *p = data;
const char *pe = data + len;
const char *eof = pe;
}@
{
int _trans = 0;
index s8 _acts;
uint _nacts;
index char _keys;
index s8 _inds;
entry {
if ( p == pe )
goto _test_eof;
if ( cs == 0 )
goto _out;
label _resume {
_acts = offset( _Scanner_actions, _Scanner_from_state_actions[cs] );
_nacts = cast(uint)deref( _Scanner_actions, _acts );
_acts += 1;
while ( _nacts > 0 ) {
switch ( deref( _Scanner_actions, _acts ) ) {
case 2 {
host( "NONE", 1 ) ${${ts = p;}$}$
}
}
_nacts -= 1;
_acts += 1;
}
_keys = offset( _Scanner_trans_keys, (cs<<1) );
_inds = offset( _Scanner_indices, _Scanner_index_offsets[cs] );
if ( ( deref( data, p )) <= 126 && ( deref( data, p )) >= 10 )
{
int _ic = cast(int)_Scanner_char_class[cast(int)( deref( data, p )) - 10];
if ( _ic <= cast(int)deref( _Scanner_trans_keys, _keys+1 ) && _ic >= cast(int)deref( _Scanner_trans_keys, _keys ) )
_trans = cast(int)deref( _Scanner_indices, _inds + cast(int)( _ic - cast(int)deref( _Scanner_trans_keys, _keys ) ) );
else
_trans = cast(int)_Scanner_index_defaults[cs];
}
else {
_trans = cast(int)_Scanner_index_defaults[cs];
}
goto _match_cond;
}
label _match_cond {
cs = cast(int)_Scanner_cond_targs[_trans];
if ( _Scanner_cond_actions[_trans] == 0 )
goto _again;
_acts = offset( _Scanner_actions, _Scanner_cond_actions[_trans] );
_nacts = cast(uint)deref( _Scanner_actions, _acts );
_acts += 1;
while ( _nacts > 0 ) {
switch ( deref( _Scanner_actions, _acts ) )
{
case 3 {
host( "NONE", 1 ) ${${te = p+1;}$}$
}
case 4 {
host( "working/cppscan3.rl", 70 ) ${${act = 3;}$}$
}
case 5 {
host( "working/cppscan3.rl", 79 ) ${${act = 4;}$}$
}
case 6 {
host( "working/cppscan3.rl", 83 ) ${${act = 5;}$}$
}
case 7 {
host( "working/cppscan3.rl", 87 ) ${${act = 6;}$}$
}
case 8 {
host( "working/cppscan3.rl", 64 ) ${${te = p+1;host( "working/cppscan3.rl", 64 ) ${ token( TK_Slit );}$}$}$
}
case 9 {
host( "working/cppscan3.rl", 66 ) ${${te = p+1;host( "working/cppscan3.rl", 66 ) ${ token( TK_Dlit );}$}$}$
}
case 10 {
host( "working/cppscan3.rl", 79 ) ${${te = p+1;host( "working/cppscan3.rl", 79 ) ${ token( TK_Float );}$}$}$
}
case 11 {
host( "working/cppscan3.rl", 83 ) ${${te = p+1;host( "working/cppscan3.rl", 83 ) ${ token( TK_IntegerDecimal );}$}$}$
}
case 12 {
host( "working/cppscan3.rl", 87 ) ${${te = p+1;host( "working/cppscan3.rl", 87 ) ${ token( TK_IntegerOctal );}$}$}$
}
case 13 {
host( "working/cppscan3.rl", 91 ) ${${te = p+1;host( "working/cppscan3.rl", 91 ) ${ token( TK_IntegerHex );}$}$}$
}
case 14 {
host( "working/cppscan3.rl", 94 ) ${${te = p+1;host( "working/cppscan3.rl", 94 ) ${token( TK_NameSep );}$}$}$
}
case 15 {
host( "working/cppscan3.rl", 95 ) ${${te = p+1;host( "working/cppscan3.rl", 95 ) ${token( TK_EqualsEquals );}$}$}$
}
case 16 {
host( "working/cppscan3.rl", 96 ) ${${te = p+1;host( "working/cppscan3.rl", 96 ) ${token( TK_NotEquals );}$}$}$
}
case 17 {
host( "working/cppscan3.rl", 97 ) ${${te = p+1;host( "working/cppscan3.rl", 97 ) ${token( TK_AndAnd );}$}$}$
}
case 18 {
host( "working/cppscan3.rl", 98 ) ${${te = p+1;host( "working/cppscan3.rl", 98 ) ${token( TK_OrOr );}$}$}$
}
case 19 {
host( "working/cppscan3.rl", 99 ) ${${te = p+1;host( "working/cppscan3.rl", 99 ) ${token( TK_MultAssign );}$}$}$
}
case 20 {
host( "working/cppscan3.rl", 100 ) ${${te = p+1;host( "working/cppscan3.rl", 100 ) ${token( TK_DivAssign );}$}$}$
}
case 21 {
host( "working/cppscan3.rl", 101 ) ${${te = p+1;host( "working/cppscan3.rl", 101 ) ${token( TK_PercentAssign );}$}$}$
}
case 22 {
host( "working/cppscan3.rl", 102 ) ${${te = p+1;host( "working/cppscan3.rl", 102 ) ${token( TK_PlusAssign );}$}$}$
}
case 23 {
host( "working/cppscan3.rl", 103 ) ${${te = p+1;host( "working/cppscan3.rl", 103 ) ${token( TK_MinusAssign );}$}$}$
}
case 24 {
host( "working/cppscan3.rl", 104 ) ${${te = p+1;host( "working/cppscan3.rl", 104 ) ${token( TK_AmpAssign );}$}$}$
}
case 25 {
host( "working/cppscan3.rl", 105 ) ${${te = p+1;host( "working/cppscan3.rl", 105 ) ${token( TK_CaretAssign );}$}$}$
}
case 26 {
host( "working/cppscan3.rl", 106 ) ${${te = p+1;host( "working/cppscan3.rl", 106 ) ${token( TK_BarAssign );}$}$}$
}
case 27 {
host( "working/cppscan3.rl", 107 ) ${${te = p+1;host( "working/cppscan3.rl", 107 ) ${token( TK_PlusPlus );}$}$}$
}
case 28 {
host( "working/cppscan3.rl", 108 ) ${${te = p+1;host( "working/cppscan3.rl", 108 ) ${token( TK_MinusMinus );}$}$}$
}
case 29 {
host( "working/cppscan3.rl", 110 ) ${${te = p+1;host( "working/cppscan3.rl", 110 ) ${token( TK_ArrowStar );}$}$}$
}
case 30 {
host( "working/cppscan3.rl", 111 ) ${${te = p+1;host( "working/cppscan3.rl", 111 ) ${token( TK_DotStar );}$}$}$
}
case 31 {
host( "working/cppscan3.rl", 114 ) ${${te = p+1;host( "working/cppscan3.rl", 114 ) ${ token( TK_DotDotDot );}$}$}$
}
case 32 {
host( "working/cppscan3.rl", 117 ) ${${te = p+1;host( "working/cppscan3.rl", 117 ) ${ token( ts[0] );}$}$}$
}
case 33 {
host( "working/cppscan3.rl", 119 ) ${${te = p+1;host( "working/cppscan3.rl", 119 ) ${
token( TK_Comment );
}$}$}$
}
case 34 {
host( "working/cppscan3.rl", 119 ) ${${te = p+1;host( "working/cppscan3.rl", 119 ) ${
token( TK_Comment );
}$}$}$
}
case 35 {
host( "working/cppscan3.rl", 70 ) ${${te = p;p = p - 1;host( "working/cppscan3.rl", 70 ) ${ token( TK_Id );}$}$}$
}
case 36 {
host( "working/cppscan3.rl", 79 ) ${${te = p;p = p - 1;host( "working/cppscan3.rl", 79 ) ${ token( TK_Float );}$}$}$
}
case 37 {
host( "working/cppscan3.rl", 83 ) ${${te = p;p = p - 1;host( "working/cppscan3.rl", 83 ) ${ token( TK_IntegerDecimal );}$}$}$
}
case 38 {
host( "working/cppscan3.rl", 87 ) ${${te = p;p = p - 1;host( "working/cppscan3.rl", 87 ) ${ token( TK_IntegerOctal );}$}$}$
}
case 39 {
host( "working/cppscan3.rl", 91 ) ${${te = p;p = p - 1;host( "working/cppscan3.rl", 91 ) ${ token( TK_IntegerHex );}$}$}$
}
case 40 {
host( "working/cppscan3.rl", 109 ) ${${te = p;p = p - 1;host( "working/cppscan3.rl", 109 ) ${token( TK_Arrow );}$}$}$
}
case 41 {
host( "working/cppscan3.rl", 117 ) ${${te = p;p = p - 1;host( "working/cppscan3.rl", 117 ) ${ token( ts[0] );}$}$}$
}
case 42 {
host( "working/cppscan3.rl", 126 ) ${${te = p;p = p - 1;host( "working/cppscan3.rl", 126 ) ${ token( TK_Whitespace );}$}$}$
}
case 43 {
host( "working/cppscan3.rl", 83 ) ${${p = ((te))-1;
host( "working/cppscan3.rl", 83 ) ${ token( TK_IntegerDecimal );}$}$}$
}
case 44 {
host( "working/cppscan3.rl", 117 ) ${${p = ((te))-1;
host( "working/cppscan3.rl", 117 ) ${ token( ts[0] );}$}$}$
}
case 45 {
host( "NONE", 1 ) ${${switch( act ) {
case 0 {
host( "NONE", 1 ) ${${cs = 0; goto _again;}$}$ }
case 3 {
p = ((te))-1;
host( "working/cppscan3.rl", 70 ) ${ token( TK_Id );}$ }
case 4 {
p = ((te))-1;
host( "working/cppscan3.rl", 79 ) ${ token( TK_Float );}$ }
case 5 {
p = ((te))-1;
host( "working/cppscan3.rl", 83 ) ${ token( TK_IntegerDecimal );}$ }
case 6 {
p = ((te))-1;
host( "working/cppscan3.rl", 87 ) ${ token( TK_IntegerOctal );}$ }
}}$
}$
}
}
_nacts -= 1;
_acts += 1;
}
}
label _again {
_acts = offset( _Scanner_actions, _Scanner_to_state_actions[cs] );
_nacts = cast(uint)deref( _Scanner_actions, _acts ); _acts += 1;
while ( _nacts > 0 ) {
switch ( deref( _Scanner_actions, _acts ) ) {
case 0 {
host( "NONE", 1 ) ${${ts = nil;}$}$
}
case 1 {
host( "NONE", 1 ) ${${act = 0;}$}$
}
}
_nacts -= 1;
_acts += 1;
}
if ( cs == 0 )
goto _out;
p += 1;
if ( p != pe )
goto _resume;
}
label _test_eof { {}
if ( p == eof )
{
if ( _Scanner_eof_trans[cs] > 0 ) {
_trans = cast(int)_Scanner_eof_trans[cs] - 1;
goto _match_cond;
}
}
}
label _out { {}
}
}
}
host( "working/cppscan3.rl", 147 ) @{
cout << "P: " << (p - data) << endl;
}
int Scanner::finish( )
{
if ( cs == Scanner_error )
return -1;
if ( cs >= Scanner_first_final )
return 1;
return 0;
}
void Scanner::token( int tok )
{
const char *data = ts;
int len = te - ts;
cout << "<" << tok << "> ";
for ( int i = 0; i < len; i++ )
cout << data[i];
cout << '\n';
}
void test( const char *buf )
{
int len = strlen( buf );
std::ios::sync_with_stdio(false);
Scanner scanner;
scanner.init();
scanner.execute( buf, len );
if ( scanner.cs == Scanner_error ) {
/* Machine failed before finding a token. */
cout << "PARSE ERROR" << endl;
}
/* FIXME: Last token may get lost. */
scanner.finish();
}
int main()
{
test(
"\"\\\"hi\" /*\n"
"*/\n"
"44 .44\n"
"44. 44\n"
"44 . 44\n"
"44.44\n"
"_hithere22"
);
test(
"'\\''\"\\n\\d'\\\"\"\n"
"hi\n"
"99\n"
".99\n"
"99e-4\n"
"->*\n"
"||\n"
"0x98\n"
"0x\n"
"//\n"
"/* * */"
);
test(
"'\n"
"'\n"
);
}
}@
|
