Statement *ParseStatement()
{
Statement *snp;
switch( lastst ) {
case semicolon:
NextToken();
snp = NULL;
break;
case begin:
NextToken();
snp = ParseCompoundStatement();
return snp;
case kw_if: snp = ParseIfStatement(); break;
case kw_while: snp = ParseWhileStatement(); break;
case kw_until: snp = ParseUntilStatement(); break;
case kw_for: snp = ParseForStatement(); break;
case kw_forever: snp = ParseForeverStatement(); break;
case kw_firstcall: snp = ParseFirstcallStatement(); break;
case kw_return: snp = ParseReturnStatement(); break;
case kw_break: snp = ParseBreakStatement(); break;
case kw_goto: snp = ParseGotoStatement(); break;
case kw_continue: snp = ParseContinueStatement(); break;
case kw_do:
case kw_loop: snp = ParseDoStatement(); break;
case kw_switch: snp = ParseSwitchStatement(); break;
case kw_try: snp = ParseTryStatement(); break;
case kw_throw: snp = ParseThrowStatement(); break;
case kw_vortex:
snp = vortex_stmt();
break;
case kw_intoff: snp = ParseIntoffStatement(); break;
case kw_inton: snp = ParseIntonStatement(); break;
case kw_stop: snp = ParseStopStatement(); break;
case kw_asm:
snp = ParseAsmStatement(); break;
case kw_critical: snp = ParseCriticalStatement(); break;
case kw_spinlock: snp = ParseSpinlockStatement(); break;
case kw_spinunlock: snp = ParseSpinunlockStatement(); break;
case id:
SkipSpaces();
if( lastch == ':' )
return ParseLabelStatement();
// else fall through to parse expression
default:
snp = ParseExpressionStatement();
break;
}
if( snp != NULL )
snp->next = NULL;
return snp;
}
Sentencia* Sintactico::ParseIterationStatement()
{
//Utilizamos Primeros
if ( proximo_token.GetTipo() == kw_for )
{
return ParseForStatement();
}
else if ( proximo_token.GetTipo() == kw_repeat )
{
return ParseRepeatStatement();
}
else if ( proximo_token.GetTipo() == kw_while )
{
return ParseWhileStatement();
}
else
throw SyntaxException("No se encontro token valido",analizador_lexico->GetLineaActual() );
}