Function ParseSwitchExpr

NULLC/Parser.cpp:1637–1678

}

bool ParseSwitchExpr(Lexeme** str)
{
	if(!ParseLexem(str, lex_switch))
		return false;

	if(!ParseLexem(str, lex_oparen))
		ThrowError((*str)->pos, "ERROR: '(' not found after 'switch'");

	const char *condPos = (*str)->pos;
	if(!ParseVaribleSet(str))
		ThrowError((*str)->pos, "ERROR: expression not found after 'switch('");
	BeginSwitch(condPos);

	if(!ParseLexem(str, lex_cparen))
		ThrowError((*str)->pos, "ERROR: closing ')' not found after expression in 'switch' statement");

	if(!ParseLexem(str, lex_ofigure))
		ThrowError((*str)->pos, "ERROR: '{' not found after 'switch(...)'");

	while(ParseLexem(str, lex_case) || ParseLexem(str, lex_default))
	{
		Lexeme *condPos = *str;
		if(condPos[-1].type == lex_case && !ParseVaribleSet(str))
			ThrowError((*str)->pos, "ERROR: expression expected after 'case' of 'default'");
		if(!ParseLexem(str, lex_colon))
			ThrowError((*str)->pos, "ERROR: ':' expected");

		if(!ParseExpression(str))
			AddVoidNode();
		while(ParseExpression(str))
			AddTwoExpressionNode();
		if(condPos[-1].type == lex_default)
			AddDefaultNode();
		else
			AddCaseNode(condPos->pos);
	}

	if(!ParseLexem(str, lex_cfigure))
		ThrowError((*str)->pos, "ERROR: '}' not found after 'switch' statement");
	EndSwitch();
	return true;
}

bool ParseReturnExpr(Lexeme** str, bool yield)
{