int DaoParser_ParseMacro( DaoParser *self, int start )
{
int rb1, rb2, i = start, N = self->tokens->size;
DaoToken **toks = self->tokens->items.pToken;
DaoMacro *macro;
DString *lang = NULL;
DArray *stops;
DMap *markers;
if( start + 5 >= N ) return -1;
if( toks[start+1]->type != DTOK_LCB ){
lang = & toks[start+1]->string;
if( toks[start+1]->type != DTOK_IDENTIFIER ){
DaoParser_Error( self, DAO_TOKEN_NEED_NAME, lang );
return -1;
}
if( lang->size == 3 && strcmp( lang->mbs, "dao" ) == 0 ){
DaoParser_Error( self, DAO_TOKEN_NEED_NAME, lang );
return -1;
}
start += 1;
}
if( toks[start+1]->name != DTOK_LCB ) return -1;
self->curLine = toks[start]->line;
rb1 = DaoParser_FindPairToken( self, DTOK_LCB, DTOK_RCB, start, -1 );
if( rb1 <0 || rb1 +3 >= N ) return -1;
if( toks[rb1+1]->name != DKEY_AS || toks[rb1+2]->name != DTOK_LCB ){
DaoParser_Error( self, DAO_CTW_INV_MAC_DEFINE, NULL );
return -1;
}
rb2 = DaoParser_FindPairToken( self, DTOK_LCB, DTOK_RCB, rb1 + 1, -1 );
if( rb2 <0 ) return -1;
/*
for( i=start; i<rb2; i++ ) printf( "%s ", toks[i]->string.mbs ); printf("\n");
*/
macro = DaoMacro_New();
if( DaoParser_MakeMacroGroup( self, macro->macroMatch, macro->macroMatch, start+2, rb1 ) ==0 ){
DaoMacro_Delete( macro );
return -1;
}
if( macro->macroMatch->units->size >0 ){
DMacroUnit *unit = (DMacroUnit*) macro->macroMatch->units->items.pVoid[0];
if( unit->type != DMACRO_TOK )
DaoParser_Error( self, DAO_CTW_INV_MAC_FIRSTOK, & toks[i]->string );
}
if( toks[rb1+3]->line != toks[rb1+2]->line ) macro->macroApply->cpos = toks[rb1+3]->cpos;
if( DaoParser_MakeMacroGroup( self, macro->macroApply, macro->macroApply, rb1+3, rb2 ) ==0 ){
DaoMacro_Delete( macro );
return -1;
}
markers = DMap_New(D_STRING,0);
for(i=start+2; i<rb1; i++){
if( toks[i]->string.mbs[0] == '$' ){
if( MAP_Find( markers, & toks[i]->string ) != NULL ){
self->curLine = toks[i]->line;
DaoParser_Error( self, DAO_CTW_REDEF_MAC_MARKER, & toks[i]->string );
return 0;
}
MAP_Insert( markers, & toks[i]->string, 0 );
}
}
DMap_Clear( markers );
i = rb1+3;
if( DString_EQ( & toks[start+2]->string, & toks[rb1+3]->string ) ) i ++;
while( i < rb2 ){
char ch = toks[i]->string.mbs[0];
if( ch != '$' && ch != '\\' && ch != '\'' ){
if( MAP_Find( markers, & toks[i]->string ) == NULL ){
DArray_Append( macro->keyListApply, & toks[i]->string );
MAP_Insert( markers, & toks[i]->string, 0 );
}
}
i ++;
}
stops = DArray_New(D_TOKEN);
DMacroGroup_SetStop( macro->macroMatch, stops );
DMacroGroup_FindVariables( macro->macroMatch );
DArray_Clear( stops );
DMacroGroup_SetStop( macro->macroApply, stops );
DaoNamespace_AddMacro( self->nameSpace, lang, & toks[start+2]->string, macro );
DArray_Delete( stops );
DMap_Delete( markers );
return rb2;
}
int DaoParser_ParseMacro( DaoParser *self, int start )
{
int rb1, rb2, i = start, N = self->tokens->size;
DaoToken **toks = self->tokens->items.pToken;
DMacroUnit *first;
DaoMacro *macro;
DString *lang = NULL;
DArray *stops;
DMap *markers;
DNode *it;
if( start + 5 >= N ) return -1;
if( toks[start+1]->type != DTOK_LCB ){
lang = & toks[start+1]->string;
if( toks[start+1]->type != DTOK_IDENTIFIER ){
DaoParser_Error( self, DAO_TOKEN_NEED_NAME, lang );
return -1;
}
if( lang->size == 3 && strcmp( lang->mbs, "dao" ) == 0 ){
DaoParser_Error( self, DAO_TOKEN_NEED_NAME, lang );
return -1;
}
start += 1;
}
if( toks[start+1]->name != DTOK_LCB ) return -1;
self->curLine = toks[start]->line;
rb1 = DaoParser_FindPairToken( self, DTOK_LCB, DTOK_RCB, start, -1 );
if( rb1 <0 || rb1 +3 >= N ) return -1;
if( toks[rb1+1]->name != DKEY_AS || toks[rb1+2]->name != DTOK_LCB ){
DaoParser_Error( self, DAO_CTW_INV_MAC_DEFINE, NULL );
return -1;
}
rb2 = DaoParser_FindPairToken( self, DTOK_LCB, DTOK_RCB, rb1 + 1, -1 );
if( rb2 <0 ) return -1;
/*
for( i=start; i<rb2; i++ ) printf( "%s ", toks[i]->string.mbs ); printf("\n");
*/
macro = DaoMacro_New();
markers = DMap_New(D_STRING,0);
if( DaoParser_MakeMacroGroup( self, macro->macroMatch, macro->macroMatch, start+2, rb1, markers, NULL ) ==0 ){
goto Error;
}
if( macro->macroMatch->units->size == 0 ) goto Error;
first = (DMacroUnit*) macro->macroMatch->units->items.pVoid[0];
if( first->type != DMACRO_TOK ){
DaoParser_Error( self, DAO_CTW_INV_MAC_FIRSTOK, & toks[i]->string );
goto Error;
}
for(it=DMap_First(markers); it; it=DMap_Next(markers,it)){
if( it->value.pInt > 1 ){
DaoParser_Error( self, DAO_CTW_REDEF_MAC_MARKER, it->key.pString );
goto Error;
}
}
DMap_Clear( markers );
if( toks[rb1+3]->line != toks[rb1+2]->line ) macro->macroApply->cpos = toks[rb1+3]->cpos;
if( DaoParser_MakeMacroGroup( self, macro->macroApply, macro->macroApply, rb1+3, rb2, NULL, markers ) ==0 ){
goto Error;
}
for(it=DMap_First(markers); it; it=DMap_Next(markers,it)){
DArray_Append( macro->keyListApply, it->key.pString );
}
stops = DArray_New(D_TOKEN);
DMacroGroup_SetStop( macro->macroMatch, stops );
DMacroGroup_FindVariables( macro->macroMatch );
DArray_Clear( stops );
DMacroGroup_SetStop( macro->macroApply, stops );
DaoNamespace_AddMacro( self->nameSpace, lang, & first->marker->string, macro );
DArray_Delete( stops );
DMap_Delete( markers );
return rb2;
Error:
DaoMacro_Delete( macro );
DMap_Delete( markers );
return -1;
}
