static char* DaoReadLine( const char *s, DString *buffer )
{
int ch;
char *line;
DString_Reset( buffer, 0 );
#ifdef DAO_WITH_THREAD
if( ! DThread_IsMain() ){
printf( "%s", s );
fflush( stdout );
while( (ch = getchar()) != '\n' ) DString_AppendWChar( buffer, ch );
return DString_GetData( buffer );
}
#endif
readingline = 1;
count = 0;
#ifdef DAO_USE_READLINE
line = readline( s );
DString_SetChars( buffer, line );
free( line );
#endif
readingline = 0;
return DString_GetData( buffer );
}
void DString_ToUpper( DString *self )
{
daoint i;
char *bytes;
DArray *wcs;
DString_Detach( self, self->size );
if( DString_IsASCII( self ) ){
for(i=0,bytes=self->chars; i<self->size; i++, bytes++) *bytes = toupper( *bytes );
return;
}
wcs = DArray_New( sizeof(wchar_t) );
DString_DecodeUTF8( self, wcs );
self->size = 0;
for(i=0; i<wcs->size; ++i){
DString_AppendWChar( self, towupper( wcs->data.wchars[i] ) );
}
DArray_Delete( wcs );
}
static void STD_String( DaoProcess *proc, DaoValue *p[], int N )
{
DaoInteger idint = {DAO_INTEGER,0,0,0,0,0};
DaoValue *index = (DaoValue*)(void*)&idint;
DaoVmCode *sect = DaoGetSectionCode( proc->activeCode );
DString *string = DaoProcess_PutMBString( proc, "" );
daoint i, entry, size = p[0]->xInteger.value;
if( p[1]->xEnum.value ) DString_ToWCS( string );
if( sect == NULL || size < 0 ) return; // TODO exception
if( DaoProcess_PushSectionFrame( proc ) == NULL ) return;
entry = proc->topFrame->entry;
DaoProcess_AcquireCV( proc );
for(i=0; i<size; i++){
idint.value = i;
if( sect->b >0 ) DaoProcess_SetValue( proc, sect->a, index );
proc->topFrame->entry = entry;
DaoProcess_Execute( proc );
if( proc->status == DAO_PROCESS_ABORTED ) break;
DString_AppendWChar( string, proc->stackValues[0]->xInteger.value );
}
DaoProcess_ReleaseCV( proc );
DaoProcess_PopFrame( proc );
}
int DaoLexer_Tokenize( DaoLexer *self, const char *src, int flags )
{
DString *source = DString_New(1);
DVector *lexenvs = DVector_New( sizeof(int) );
DaoToken *token = DaoToken_New();
DString *literal = & token->string;
char ch, *ss, hex[11] = "0x00000000";
int replace = flags & DAO_LEX_ESCAPE;
int comment = flags & DAO_LEX_COMMENT;
int space = flags & DAO_LEX_SPACE;
int srcSize = (int)strlen( src );
int old=0, state = TOK_START;
int lexenv = LEX_ENV_NORMAL;
int unicoded = 0;
int line = 1;
int cpos = 0;
int ret = 1;
int it = 0;
int i, m = 4;
DString_SetSharing( literal, 0 );
for(it=0; it<srcSize; it++){
if( (signed char) src[it] < 0 ){
unicoded = 1;
break;
}
}
if( unicoded && daoConfig.mbs == 0 ){
DString *wcs = DString_New(0);
/* http://www.cl.cam.ac.uk/~mgk25/ucs/quotes.html */
wchar_t quotes[] = {
0x27 , 0x27 , 0x27, /* single q.m. */
0x22 , 0x22 , 0x22, /* double q.m. */
0x27 + 0xfee0 , 0x27 + 0xfee0 , 0x27 , /* single q.m. unicode */
0x22 + 0xfee0 , 0x22 + 0xfee0 , 0x22 , /* double q.m. unicode */
0x60 , 0x27 , 0x27, /* grave accent */
0x2018 , 0x2019 , 0x27 , /* left/right single q.m. */
0x201C , 0x201D , 0x22 /* left/right double q.m. */
};
wchar_t sl = L'\\' + 0xfee0;
wchar_t stop;
int i, N = 21;
it = 0;
DString_SetMBS( wcs, src );
while( it < wcs->size ){ // TODO: handle verbatim string!
for( i=0; i<N; i+=3 ){
if( wcs->wcs[it] == quotes[i] ){
stop = quotes[i+1];
wcs->wcs[it] = quotes[i+2];
it ++;
while( it < wcs->size && wcs->wcs[it] != stop ){
if( wcs->wcs[it] == sl || wcs->wcs[it] == L'\\' ){
it ++;
continue;
}
it ++;
}
if( it < wcs->size ) wcs->wcs[it] = quotes[i+2];
break;
}
}
if( it >= wcs->size ) break;
if( wcs->wcs[it] == 0x3000 ){
wcs->wcs[it] = 32; /* blank space */
}else if( wcs->wcs[it] > 0xff00 && wcs->wcs[it] < 0xff5f ){
wcs->wcs[it] -= 0xfee0; /* DBC to SBC */
}
it ++;
}
if( wcs->size ){
DString_SetWCS( source, wcs->wcs );
src = source->mbs;
srcSize = source->size;
}
DString_Delete( wcs );
}
DaoLexer_Reset( self );
DVector_PushInt( lexenvs, LEX_ENV_NORMAL );
it = 0;
token->cpos = 0;
while( it < srcSize ){
#if 0
printf( "tok: %i %i %i %c %s\n", srcSize, it, ch, ch, literal->mbs );
#endif
token->type = state;
token->name = 0;
token->line = line;
ch = src[it];
cpos += ch == '\t' ? daoConfig.tabspace : 1;
if( ch == '\n' ) cpos = 0, line ++;
if( literal->size == 0 ) token->cpos = cpos;
if( state == TOK_STRING_MBS || state == TOK_STRING_WCS ){
if( ch == '\\' ){
it ++;
if( replace == 0 ){
DString_AppendChar( literal, ch );
if( it < srcSize ){
if( src[it] == '\n' ) cpos = 0, line ++;
DString_AppendChar( literal, src[it] );
}
it ++;
continue;
}
if( it >= srcSize ){
ret = 0;
printf( "error: incomplete string at line %i.\n", line );
break;
}
if( src[it] == '\n' ) cpos = 0, line ++;
switch( src[it] ){
case '0' : case '1' : case '2' : case '3' :
case '4' : case '5' : case '6' : case '7' : /* \ooo */
i = 2;
while( i < 5 && it < srcSize && src[it] >= '0' && src[it] < '8' ){
hex[i] = src[it++];
hex[++i] = 0;
}
DString_AppendChar( literal, (char) strtol( hex+2, NULL, 8 ) );
it --;
break;
case '8' : case '9' :
DString_AppendChar( literal, (char) (src[it] - '0') );
break;
case 'x' :
case 'u' :
case 'U' :
i = 2;
switch( src[it] ){
case 'x' : m = 4; break; /* \xhh: max 2 hex digit; */
case 'u' : m = 6; break; /* \uhhhh: max 4 hex digit; */
case 'U' : m = 10; break; /* \Uhhhhhhhh: max 8 hex digit; */
}
while( i < m && (it+1) < srcSize && isxdigit( src[it+1] ) ){
hex[i] = src[++it];
hex[++i] = 0;
}
DString_AppendWChar( literal, (wchar_t) strtol( hex, NULL, 0 ) );
break;
case 't' : DString_AppendChar( literal, '\t' ); break;
case 'n' : DString_AppendChar( literal, '\n' ); break;
case 'r' : DString_AppendChar( literal, '\r' ); break;
case '\'' : DString_AppendChar( literal, '\'' ); break;
case '\"' : DString_AppendChar( literal, '\"' ); break;
default : DString_AppendChar( literal, src[it] ); break;
}
}else if( ch == '\'' && state == TOK_STRING_MBS ){
DString_AppendChar( literal, ch );
state = TOK_RESTART;
token->type = token->name = DTOK_MBS;
DaoLexer_AppendToken( self, token );
DString_Clear( literal );
}else if( ch == '\"' && state == TOK_STRING_WCS ){
DString_AppendChar( literal, ch );
state = TOK_RESTART;
token->type = token->name = DTOK_WCS;
DaoLexer_AppendToken( self, token );
DString_Clear( literal );
}else{
DString_AppendChar( literal, ch );
}
}else if( ch == ']' && state == TOK_VERBATIM ){
int len = srcSize - it - 1;
DString_AppendChar( literal, ']' );
token->type = token->name = DTOK_VBT_OPEN;
if( (ss = strstr( src + it + 1, literal->mbs )) != NULL ){
len = (ss - src) - it - 1 + literal->size;
token->type = token->name = DTOK_VERBATIM;
}
for(i=0; i<len; i++) if( src[it+1+i] == '\n' ) line += 1;
DString_AppendDataMBS( literal, src + it + 1, len );
state = TOK_RESTART;
DaoLexer_AppendToken( self, token );
DString_Clear( literal );
it += len;
}else if( lexenv == LEX_ENV_NORMAL ){
old = state;
if( ch >=0 ){
state = daoLexTable[ state ][ (int)ch ];
}else if( state <= TOK_START ){
state = TOK_RESTART;
}else if( state != TOK_IDENTIFIER && state != TOK_STRING_MBS
&& state != TOK_STRING_WCS
&& state != TOK_COMT_LINE && state != TOK_COMT_OPEN ){
state = TOK_RESTART;
}
if( state >= TOK_END ){
DString_AppendChar( literal, ch );
token->type = token->name = daoTokenMap[ state ];
if( token->type == DTOK_ID_THTYPE || token->type == DTOK_ID_SYMBOL )
token->type = DTOK_IDENTIFIER;
if( space || comment || token->type != DTOK_COMMENT ){
if( isspace( token->string.mbs[0] ) )
token->type = token->name = daoSpaceType[ (int)token->string.mbs[0] ];
DaoLexer_AppendToken( self, token );
}
/* may be a token before the line break; */
DString_Clear( literal );
state = TOK_START;
}else if( state == TOK_RESTART ){
if( literal->size ){
if( old == TOK_IDENTIFIER ){
token->name = dao_key_hash( literal->mbs, literal->size );
token->type = DTOK_IDENTIFIER;
if( token->name == 0 ) token->name = DTOK_IDENTIFIER;
DaoLexer_AppendToken( self, token );
}else if( old > TOK_RESTART && old != TOK_END ){
token->type = token->name = daoTokenMap[ old ];
if( token->type == DTOK_ID_THTYPE || token->type == DTOK_ID_SYMBOL )
token->type = DTOK_IDENTIFIER;
DaoLexer_AppendToken( self, token );
}else if( space ){
if( isspace( token->string.mbs[0] ) )
token->type = token->name = daoSpaceType[ (int)token->string.mbs[0] ];
DaoLexer_AppendToken( self, token );
}
DString_Clear( literal );
token->cpos = cpos;
}
DString_AppendChar( literal, ch );
if( ch >=0 )
state = daoLexTable[ TOK_START ][ (int)ch ];
else
state = TOK_IDENTIFIER;
}else if( state == TOK_COMT_OPEN ){
DString_AppendChar( literal, ch );
lexenv = LEX_ENV_COMMENT;
DVector_PushInt( lexenvs, LEX_ENV_COMMENT );
}else{
DString_AppendChar( literal, ch );
}
}else if( lexenv == LEX_ENV_COMMENT ){
DString_AppendChar( literal, ch );
if( ch == '#' ){
state = TOK_OP_SHARP;
}else if( ch == '{' && state == TOK_OP_SHARP ){
state = TOK_COMT_OPEN;
DVector_PushInt( lexenvs, LEX_ENV_COMMENT );
}else if( ch == '}' && state == TOK_OP_SHARP ){
state = TOK_COMT_CLOSE;
DVector_Pop( lexenvs );
lexenv = lexenvs->data.ints[lexenvs->size-1];
if( lexenv != LEX_ENV_COMMENT ){
token->type = token->name = DTOK_COMMENT;
if( comment ) DaoLexer_AppendToken( self, token );
DString_Clear( literal );
state = TOK_RESTART;
}
}else{
state = TOK_START;
}
}
it ++;
}
if( literal->size ){
token->type = token->name = daoTokenMap[ state ];
if( lexenv == LEX_ENV_COMMENT ) token->type = token->name = DTOK_CMT_OPEN;
switch( state ){
case TOK_STRING_MBS : token->type = token->name = DTOK_MBS_OPEN; break;
case TOK_STRING_WCS : token->type = token->name = DTOK_WCS_OPEN; break;
}
if( token->type == DTOK_IDENTIFIER ){
token->name = dao_key_hash( literal->mbs, literal->size );
if( token->name == 0 ) token->name = DTOK_IDENTIFIER;
}else if( token->type == DTOK_ID_THTYPE || token->type == DTOK_ID_SYMBOL ){
token->type = DTOK_IDENTIFIER;
}
if( token->type || space ){
if( isspace( token->string.mbs[0] ) )
token->type = token->name = daoSpaceType[ (int)token->string.mbs[0] ];
DaoLexer_AppendToken( self, token );
}
}
DaoToken_Delete( token );
DVector_Delete( lexenvs );
DString_Delete( source );
#if 0
for(i=0; i<self->tokens->size; i++){
DaoToken *tk = self->tokens->items.pToken[i];
printf( "%4i: %4i %4i , %4i, %s\n", i, tk->type, tk->name, tk->cpos, tk->string.mbs );
}
#endif
return ret ? line : 0;
}
/*
// C printf format: %[parameter][flags][width][.precision][length]type
//
// Dao writef format: %[flags][width][.precision]type[color]
//
// Where 'flags', 'width' and 'precision' will conform to the C format,
// but 'type' can only be:
// d, i, o, u, x/X : for integer;
// e/E, f/F, g/G : for float and double;
// c/C : for character, C for local encoding;
// s/S : for string, S for local encoding;
// p : for any type, write address;
// a : automatic, for any type, write in the default format;
// Namely the standard ones except 'n', and plus 'a'.
//
// Optional 'color' format will be in form of: [foreground:background], [foreground]
// or [:background]. The supported color name format will depend on the color printing
// handle. Mininum requirement is the support of the following 8 color names:
// black, white, red, green, blue, yellow, magenta, cyan.
*/
static void DaoIO_Writef0( DaoStream *self, DaoProcess *proc, DaoValue *p[], int N )
{
DaoValue *value;
DString *fmt2;
DString *fgcolor = NULL;
DString *bgcolor = NULL;
DMap *cycmap = NULL;
const char *convs = "asSpcCdiouxXfFeEgG";
char F, *s, *end, *fg, *bg, *fmt, message[100];
int i, k, id = 0;
if( DaoIO_CheckMode( self, proc, DAO_STREAM_WRITABLE ) == 0 ) return;
fmt2 = DString_New();
for(i=0; i<N; i++){
if( p[i]->type > DAO_ARRAY ){
cycmap = DHash_New(0,0);
break;
}
}
s = p[0]->xString.value->chars;
end = s + p[0]->xString.value->size;
for(; s<end; s++){
if( *s != '%' ){
DaoStream_WriteChar( self, *s );
continue;
}
fmt = s;
s += 1;
if( *s =='%' || *s == '[' ){
DaoStream_WriteChar( self, *s );
continue;
}
if( ++id >= N || p[id] == NULL ) goto NullParameter;
value = p[id];
/* flags: */
while( *s == '+' || *s == '-' || *s == '#' || *s == '0' || *s == ' ' ) s += 1;
while( isdigit( *s ) ) s += 1; /* width; */
if( *s == '.' ){ /* precision: */
s += 1;
while( isdigit( *s ) ) s += 1;
}
DString_SetBytes( fmt2, fmt, s - fmt + 1 );
if( strchr( convs, *s ) == NULL ){
DaoProcess_RaiseWarning( proc, NULL, "invalid format conversion" );
continue;
}
F = *s;
s += 1;
fg = bg = NULL;
if( *s == '[' ){
s += 1;
fmt = s;
while( isalnum( *s ) ) s += 1;
if( fgcolor == NULL ) fgcolor = DString_New();
DString_SetBytes( fgcolor, fmt, s - fmt );
if( fgcolor->size ) fg = fgcolor->chars;
if( *s == ':' ){
s += 1;
fmt = s;
while( isalnum( *s ) ) s += 1;
if( bgcolor == NULL ) bgcolor = DString_New();
DString_SetBytes( bgcolor, fmt, s - fmt );
if( bgcolor->size ) bg = bgcolor->chars;
}
if( *s != ']' ) goto WrongColor;
}else{
s -= 1;
}
if( fg || bg ){
if( DaoStream_SetColor( self, fg, bg ) == 0 ) goto WrongColor;
}
self->format = fmt2->chars;
if( F == 'c' || F == 'C' ){
if( value->type != DAO_INTEGER ) goto WrongParameter;
DString_Reset( fmt2, 0 );
DString_AppendWChar( fmt2, value->xInteger.value );
self->format = "%s";
if( F == 'C' ) DString_ToLocal( fmt2 );
DaoStream_WriteString( self, fmt2 );
}else if( F == 'd' || F == 'i' || F == 'o' || F == 'x' || F == 'X' ){
if( value->type == DAO_NONE || value->type > DAO_FLOAT ) goto WrongParameter;
DString_InsertChars( fmt2, "ll", fmt2->size-1, 0, 2 );
self->format = fmt2->chars;
DaoStream_WriteInt( self, DaoValue_GetInteger( value ) );
}else if( toupper( F ) == 'E' || toupper( F ) == 'F' || toupper( F ) == 'G' ){
if( value->type == DAO_NONE || value->type > DAO_FLOAT ) goto WrongParameter;
DaoStream_WriteFloat( self, DaoValue_GetFloat( value ) );
}else if( F == 's' && value->type == DAO_STRING ){
DaoStream_WriteString( self, value->xString.value );
}else if( F == 'S' && value->type == DAO_STRING ){
DaoStream_WriteLocalString( self, value->xString.value );
}else if( F == 'p' ){
DaoStream_WritePointer( self, value );
}else if( F == 'a' ){
self->format = NULL;
if( value->type > DAO_ARRAY ) DMap_Reset( cycmap );
DaoValue_Print( value, self, cycmap, proc );
}else{
goto WrongParameter;
}
self->format = NULL;
if( fg || bg ) DaoStream_SetColor( self, NULL, NULL );
continue;
NullParameter:
sprintf( message, "%i-th parameter is null!", id );
DaoProcess_RaiseWarning( proc, NULL, message );
continue;
WrongColor:
sprintf( message, "%i-th parameter has wrong color format!", id );
DaoProcess_RaiseWarning( proc, NULL, message );
continue;
WrongParameter:
self->format = NULL;
if( fg || bg ) DaoStream_SetColor( self, NULL, NULL );
sprintf( message, "%i-th parameter has wrong type for format \"%s\"!", id, fmt2->chars );
DaoProcess_RaiseWarning( proc, NULL, message );
}
if( cycmap ) DMap_Delete( cycmap );
if( fgcolor ) DString_Delete( fgcolor );
if( bgcolor ) DString_Delete( bgcolor );
DString_Delete( fmt2 );
}
