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mark an identifier as callable if its next token is '('

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This commit is contained in:
Lu Guanqun 2015-02-28 16:11:59 +08:00
parent 67ffc3db71
commit 1efef53cb3
2 changed files with 11 additions and 3 deletions
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7
AST.h
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@ -1134,8 +1134,8 @@ public:
class Identifier: public PrimaryExpression
{
public:
Identifier(SourceLocation const& _location, ASTPointer<ASTString> const& _name):
PrimaryExpression(_location), m_name(_name) {}
Identifier(SourceLocation const& _location, ASTPointer<ASTString> const& _name, bool _isCallable):
PrimaryExpression(_location), m_name(_name), m_isCallable(_isCallable) {}
virtual void accept(ASTVisitor& _visitor) override;
virtual void accept(ASTConstVisitor& _visitor) const override;
virtual void checkTypeRequirements() override;
@ -1151,6 +1151,8 @@ public:
Declaration const* getReferencedDeclaration() const { return m_referencedDeclaration; }
ContractDefinition const* getCurrentContract() const { return m_currentContract; }
bool isCallable() const { return m_isCallable; }
private:
ASTPointer<ASTString> m_name;
@ -1159,6 +1161,7 @@ private:
/// Stores a reference to the current contract. This is needed because types of base contracts
/// change depending on the context.
ContractDefinition const* m_currentContract = nullptr;
bool m_isCallable = false;
};
/**

7
Parser.cpp
View File

@ -837,9 +837,14 @@ ASTPointer<Expression> Parser::parsePrimaryExpression()
expression = nodeFactory.createNode<Literal>(token, getLiteralAndAdvance());
break;
case Token::Identifier:
{
nodeFactory.markEndPosition();
expression = nodeFactory.createNode<Identifier>(getLiteralAndAdvance());
// if the next token is '(', this identifier looks like function call,
// it could be a contract, event etc.
bool isCallable = m_scanner->peekNextToken() == Token::LParen;
expression = nodeFactory.createNode<Identifier>(getLiteralAndAdvance(), isCallable);
break;
}
case Token::LParen:
{
m_scanner->next();