std::unique_ptr<AST::Asignment> Parser_Ast::Impl::parseAsignment()
{
auto lhs = parseLHS();
if (lhs == nullptr)
{
return nullptr;
}
if (not parseEqualsign())
{
throw std::logic_error("failed to parse =");
}
auto rhs = parseRHS();
if (rhs == nullptr)
{
throw std::logic_error("failed to parse rhs");
}
if (not parseSemicolon())
{
throw std::logic_error("failed to parse ;");
}
return std::make_unique<AST::Asignment>(std::move(lhs), std::move(rhs));
}
void Parser::parse(list<Token> tokens) {
for (list<Token>::iterator it=tokens.begin(); it != tokens.end(); it++) {
token = *it;
TokenType type = token.getType();
if (comment && type != LINE_END) continue;
switch(type) {
case SEMICOLON:
parseSemicolon();
break;
case LINE_START:
parseLineStart();
break;
case LINE_END:
parseLineEnd();
break;
case COLON:
parseColon();
break;
case WHITESPACE:
parseWhitespace();
break;
case COMMA:
parseComma();
break;
case TEXT:
parseText();
break;
}
}
}
