CoutStatementNode * ParserClass::CoutStatement() {
Match(COUT_TOKEN);
Match(INSERTION_TOKEN);
CoutStatementNode *csn = new CoutStatementNode();
ExpressionNode *expression = Expression();
csn->AddExpression(expression);
while (true) {
TokenType tt = mScanner->PeekNextToken().GetTokenType();
if (tt == INSERTION_TOKEN) {
Match(INSERTION_TOKEN);
TokenClass next = mScanner->PeekNextToken();
if (next.GetTokenType() == ENDL_TOKEN) {
Match(ENDL_TOKEN);
csn->AddExpression(NULL);
}
else {
ExpressionNode *nextExpression = Expression();
csn->AddExpression(nextExpression);
}
}
else {
if (tt == ENDL_TOKEN) {
Match(ENDL_TOKEN);
csn->AddExpression(NULL);
}
Match(SEMICOLON_TOKEN);
break;
}
}
return csn;
}
CoutStatementNode * ParserClass::CoutStatement()
{
CoutStatementNode * csn = new CoutStatementNode();
this->Match(INSERTION_TOKEN);
TokenType tt = this->mScanner->PeekNextToken().GetTokenType();
switch (tt)
{
case ENDL_TOKEN:
this->Match(ENDL_TOKEN);
csn->AddExpression(NULL);
break;
default:
csn->AddExpression(this->Expression());
break;
}
while (true)
{
tt = this->mScanner->PeekNextToken().GetTokenType();
if (tt != INSERTION_TOKEN) break;
this->Match(INSERTION_TOKEN);
tt = this->mScanner->PeekNextToken().GetTokenType();
switch (tt)
{
case ENDL_TOKEN:
this->Match(ENDL_TOKEN);
csn->AddExpression(NULL);
break;
default:
csn->AddExpression(this->Expression());
break;
}
}
return csn;
}