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Move Solidity specific methods from ParserBase to the Solidity Parser

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This commit is contained in:
Alex Beregszaszi 2017-05-24 22:55:29 +01:00
parent 788b64ea61
commit 2fefe3b549
4 changed files with 60 additions and 60 deletions
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56
libsolidity/parsing/Parser.cpp
View File

@ -1437,5 +1437,61 @@ ASTPointer<ParameterList> Parser::createEmptyParameterList()
return nodeFactory.createNode<ParameterList>(vector<ASTPointer<VariableDeclaration>>());
}
Token::Value Parser::expectAssignmentOperator()
{
Token::Value op = m_scanner->currentToken();
if (!Token::isAssignmentOp(op))
{
if (Token::isElementaryTypeName(op)) //for the sake of accuracy in reporting
{
ElementaryTypeNameToken elemTypeName = m_scanner->currentElementaryTypeNameToken();
fatalParserError(
string("Expected assignment operator, got '") +
elemTypeName.toString() +
string("'")
);
}
else
fatalParserError(
string("Expected assignment operator, got '") +
string(Token::name(m_scanner->currentToken())) +
string("'")
);
}
m_scanner->next();
return op;
}
ASTPointer<ASTString> Parser::expectIdentifierToken()
{
Token::Value id = m_scanner->currentToken();
if (id != Token::Identifier)
{
if (Token::isElementaryTypeName(id)) //for the sake of accuracy in reporting
{
ElementaryTypeNameToken elemTypeName = m_scanner->currentElementaryTypeNameToken();
fatalParserError(
string("Expected identifier, got '") +
elemTypeName.toString() +
string("'")
);
}
else
fatalParserError(
string("Expected identifier, got '") +
string(Token::name(id)) +
string("'")
);
}
return getLiteralAndAdvance();
}
ASTPointer<ASTString> Parser::getLiteralAndAdvance()
{
ASTPointer<ASTString> identifier = make_shared<ASTString>(m_scanner->currentLiteral());
m_scanner->next();
return identifier;
}
}
}

4
libsolidity/parsing/Parser.h
View File

@ -154,6 +154,10 @@ private:
std::vector<ASTPointer<PrimaryExpression>> const& _path,
std::vector<std::pair<ASTPointer<Expression>, SourceLocation>> const& _indices
);
Token::Value expectAssignmentOperator();
ASTPointer<ASTString> expectIdentifierToken();
ASTPointer<ASTString> getLiteralAndAdvance();
///@}
/// Creates an empty ParameterList at the current location (used if parameters can be omitted).

56
libsolidity/parsing/ParserBase.cpp
View File

@ -80,62 +80,6 @@ void ParserBase::expectToken(Token::Value _value)
m_scanner->next();
}
Token::Value ParserBase::expectAssignmentOperator()
{
Token::Value op = m_scanner->currentToken();
if (!Token::isAssignmentOp(op))
{
if (Token::isElementaryTypeName(op)) //for the sake of accuracy in reporting
{
ElementaryTypeNameToken elemTypeName = m_scanner->currentElementaryTypeNameToken();
fatalParserError(
string("Expected assignment operator, got '") +
elemTypeName.toString() +
string("'")
);
}
else
fatalParserError(
string("Expected assignment operator, got '") +
string(Token::name(m_scanner->currentToken())) +
string("'")
);
}
m_scanner->next();
return op;
}
ASTPointer<ASTString> ParserBase::expectIdentifierToken()
{
Token::Value id = m_scanner->currentToken();
if (id != Token::Identifier)
{
if (Token::isElementaryTypeName(id)) //for the sake of accuracy in reporting
{
ElementaryTypeNameToken elemTypeName = m_scanner->currentElementaryTypeNameToken();
fatalParserError(
string("Expected identifier, got '") +
elemTypeName.toString() +
string("'")
);
}
else
fatalParserError(
string("Expected identifier, got '") +
string(Token::name(id)) +
string("'")
);
}
return getLiteralAndAdvance();
}
ASTPointer<ASTString> ParserBase::getLiteralAndAdvance()
{
ASTPointer<ASTString> identifier = make_shared<ASTString>(m_scanner->currentLiteral());
m_scanner->next();
return identifier;
}
void ParserBase::parserError(string const& _description)
{
auto err = make_shared<Error>(Error::Type::ParserError);

4
libsolidity/parsing/ParserBase.h
View File

@ -25,7 +25,6 @@
#include <memory>
#include <libsolidity/interface/Exceptions.h>
#include <libsolidity/parsing/Token.h>
#include <libsolidity/ast/ASTForward.h>
namespace dev
{
@ -52,9 +51,6 @@ protected:
///@name Helper functions
/// If current token value is not _value, throw exception otherwise advance token.
void expectToken(Token::Value _value);
Token::Value expectAssignmentOperator();
ASTPointer<ASTString> expectIdentifierToken();
ASTPointer<ASTString> getLiteralAndAdvance();
///@}
/// Creates a @ref ParserError and annotates it with the current position and the