RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-18 21:45:08 +00:00
Code Issues Activity Actions

LibCpp: Parse C-Style parse expressions

Browse source
This commit is contained in:
Itamar 2021-04-02 11:29:44 +03:00 • committed by Andreas Kling
parent ec2c54ee2e
commit aa717e6a62
4 changed files with 65 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

38
Userland/Libraries/LibCpp/Parser.cpp
View file

@ -448,6 +448,9 @@ NonnullRefPtr<Expression> Parser::parse_primary_expression(ASTNode& parent)
if (match_cpp_cast_expression())
return parse_cpp_cast_expression(parent);
if (match_c_style_cast_expression())
return parse_c_style_cast_expression(parent);
if (match_sizeof_expression())
return parse_sizeof_expression(parent);
@ -857,6 +860,7 @@ bool Parser::match_expression()
|| token_type == Token::Type::Identifier
|| match_unary_expression()
|| match_cpp_cast_expression()
|| match_c_style_cast_expression()
|| match_sizeof_expression()
|| match_braced_init_list();
}
@ -1394,6 +1398,40 @@ bool Parser::match_cpp_cast_expression()
return false;
}
bool Parser::match_c_style_cast_expression()
{
save_state();
ScopeGuard state_guard = [this] { load_state(); };
if (consume().type() != Token::Type::LeftParen)
return false;
if (match_type() == TemplatizedMatchResult::NoMatch)
return false;
parse_type(*m_root_node);
if (consume().type() != Token::Type::RightParen)
return false;
if (!match_expression())
return false;
return true;
}
NonnullRefPtr<CStyleCastExpression> Parser::parse_c_style_cast_expression(ASTNode& parent)
{
auto parse_exp = create_ast_node<CStyleCastExpression>(parent, position(), {});
consume(Token::Type::LeftParen);
parse_exp->m_type = parse_type(*parse_exp);
consume(Token::Type::RightParen);
parse_exp->m_expression = parse_expression(*parse_exp);
parse_exp->set_end(position());
return parse_exp;
}
NonnullRefPtr<CppCastExpression> Parser::parse_cpp_cast_expression(ASTNode& parent)
{
auto cast_expression = create_ast_node<CppCastExpression>(parent, position(), {});