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LibCpp: Parse Bitwise & Logical Or & And operators

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This commit is contained in:
Itamar 2021-04-02 10:28:17 +03:00 • committed by Andreas Kling
parent 8962581c9c
commit 575d6a8ee1
3 changed files with 27 additions and 2 deletions
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9
Userland/Libraries/LibCpp/AST.cpp
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@ -209,6 +209,12 @@ void BinaryExpression::dump(size_t indent) const
case BinaryOp::NotEqual:
op_string = "!=";
break;
case BinaryOp::LogicalOr:
op_string = "||";
break;
case BinaryOp::LogicalAnd:
op_string = "&&";
break;
}
m_lhs->dump(indent + 1);
@ -319,6 +325,9 @@ void UnaryExpression::dump(size_t indent) const
case UnaryOp::PlusPlus:
op_string = "++";
break;
case UnaryOp::Address:
op_string = "&";
break;
default:
op_string = "<invalid>";
}

3
Userland/Libraries/LibCpp/AST.h
View file

@ -420,6 +420,8 @@ enum class BinaryOp {
RightShift,
EqualsEquals,
NotEqual,
LogicalOr,
LogicalAnd,
};
class BinaryExpression : public Expression {
@ -582,6 +584,7 @@ enum class UnaryOp {
Plus,
Minus,
PlusPlus,
Address,
};
class UnaryExpression : public Expression {

17
Userland/Libraries/LibCpp/Parser.cpp
View file

@ -421,7 +421,8 @@ bool Parser::match_secondary_expression()
|| type == Token::Type::EqualsEquals
|| type == Token::Type::AndAnd
|| type == Token::Type::PipePipe
|| type == Token::Type::ExclamationMarkEquals;
|| type == Token::Type::ExclamationMarkEquals
|| type == Token::Type::PipePipe;
}
NonnullRefPtr<Expression> Parser::parse_primary_expression(ASTNode& parent)
@ -481,7 +482,8 @@ bool Parser::match_unary_expression()
|| type == Token::Type::ExclamationMark
|| type == Token::Type::Tilde
|| type == Token::Type::Plus
|| type == Token::Type::Minus;
|| type == Token::Type::Minus
|| type == Token::Type::And;
}
NonnullRefPtr<UnaryExpression> Parser::parse_unary_expression(ASTNode& parent)
@ -505,6 +507,9 @@ NonnullRefPtr<UnaryExpression> Parser::parse_unary_expression(ASTNode& parent)
case Token::Type::PlusPlus:
op = UnaryOp::PlusPlus;
break;
case Token::Type::And:
op = UnaryOp::Address;
break;
default:
break;
}
@ -555,6 +560,14 @@ NonnullRefPtr<Expression> Parser::parse_secondary_expression(ASTNode& parent, No
return parse_binary_expression(parent, lhs, BinaryOp::EqualsEquals);
case Token::Type::ExclamationMarkEquals:
return parse_binary_expression(parent, lhs, BinaryOp::NotEqual);
case Token::Type::And:
return parse_binary_expression(parent, lhs, BinaryOp::BitwiseAnd);
case Token::Type::AndAnd:
return parse_binary_expression(parent, lhs, BinaryOp::LogicalAnd);
case Token::Type::Pipe:
return parse_binary_expression(parent, lhs, BinaryOp::BitwiseOr);
case Token::Type::PipePipe:
return parse_binary_expression(parent, lhs, BinaryOp::LogicalOr);
case Token::Type::Equals:
return parse_assignment_expression(parent, lhs, AssignmentOp::Assignment);
case Token::Type::Dot: {