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LibCpp: Parse sizeof() expression

This commit is contained in:
Itamar 2021-04-02 10:49:12 +03:00 committed by Andreas Kling
parent 8bcf5daf3f
commit fc503b1368
4 changed files with 44 additions and 1 deletions

View file

@ -447,6 +447,9 @@ NonnullRefPtr<Expression> Parser::parse_primary_expression(ASTNode& parent)
if (match_cpp_cast_expression())
return parse_cpp_cast_expression(parent);
if(match_sizeof_expression())
return parse_sizeof_expression(parent);
if (match_name()) {
if (match_function_call() != TemplatizedMatchResult::NoMatch)
return parse_function_call(parent);
@ -847,7 +850,8 @@ bool Parser::match_expression()
return match_literal()
|| token_type == Token::Type::Identifier
|| match_unary_expression()
|| match_cpp_cast_expression();
|| match_cpp_cast_expression()
|| match_sizeof_expression();
}
bool Parser::eof() const
@ -1399,4 +1403,20 @@ NonnullRefPtr<CppCastExpression> Parser::parse_cpp_cast_expression(ASTNode& pare
return cast_expression;
}
bool Parser::match_sizeof_expression()
{
return match_keyword("sizeof");
}
NonnullRefPtr<SizeofExpression> Parser::parse_sizeof_expression(ASTNode& parent)
{
auto exp = create_ast_node<SizeofExpression>(parent, position(), {});
consume(Token::Type::Keyword);
consume(Token::Type::LeftParen);
exp->m_type = parse_type(parent);
consume(Token::Type::RightParen);
exp->set_end(position());
return exp;
}
}