mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
/*
|
|
This file is part of solidity.
|
|
|
|
solidity is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
solidity is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with solidity. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <libsolidity/analysis/TypeChecker.h>
|
|
#include <libsolidity/ast/Types.h>
|
|
#include <libsolidity/ast/ASTAnnotations.h>
|
|
#include <libsolidity/ast/ASTForward.h>
|
|
#include <libsolidity/ast/ASTVisitor.h>
|
|
|
|
namespace langutil
|
|
{
|
|
class ErrorReporter;
|
|
}
|
|
|
|
namespace dev
|
|
{
|
|
namespace solidity
|
|
{
|
|
|
|
/**
|
|
* The module that performs syntax analysis on the AST:
|
|
* - whether continue/break is in a for/while loop.
|
|
* - whether a modifier contains at least one '_'
|
|
* - issues deprecation warnings for unary '+'
|
|
* - issues deprecation warning for throw
|
|
* - whether the msize instruction is used and the Yul optimizer is enabled at the same time.
|
|
*/
|
|
class SyntaxChecker: private ASTConstVisitor
|
|
{
|
|
public:
|
|
/// @param _errorReporter provides the error logging functionality.
|
|
SyntaxChecker(langutil::ErrorReporter& _errorReporter, bool _useYulOptimizer):
|
|
m_errorReporter(_errorReporter),
|
|
m_useYulOptimizer(_useYulOptimizer)
|
|
{}
|
|
|
|
bool checkSyntax(ASTNode const& _astRoot);
|
|
|
|
private:
|
|
|
|
bool visit(SourceUnit const& _sourceUnit) override;
|
|
void endVisit(SourceUnit const& _sourceUnit) override;
|
|
bool visit(PragmaDirective const& _pragma) override;
|
|
|
|
bool visit(ModifierDefinition const& _modifier) override;
|
|
void endVisit(ModifierDefinition const& _modifier) override;
|
|
|
|
/// Reports an error if _statement is a VariableDeclarationStatement.
|
|
/// Used by if/while/for to check for single statement variable declarations
|
|
/// without a block.
|
|
void checkSingleStatementVariableDeclaration(ASTNode const& _statement);
|
|
|
|
bool visit(IfStatement const& _ifStatement) override;
|
|
bool visit(WhileStatement const& _whileStatement) override;
|
|
void endVisit(WhileStatement const& _whileStatement) override;
|
|
bool visit(ForStatement const& _forStatement) override;
|
|
void endVisit(ForStatement const& _forStatement) override;
|
|
|
|
bool visit(Continue const& _continueStatement) override;
|
|
bool visit(Break const& _breakStatement) override;
|
|
|
|
bool visit(Throw const& _throwStatement) override;
|
|
|
|
bool visit(UnaryOperation const& _operation) override;
|
|
|
|
bool visit(InlineAssembly const& _inlineAssembly) override;
|
|
|
|
bool visit(PlaceholderStatement const& _placeholderStatement) override;
|
|
|
|
bool visit(ContractDefinition const& _contract) override;
|
|
bool visit(FunctionDefinition const& _function) override;
|
|
bool visit(FunctionTypeName const& _node) override;
|
|
|
|
bool visit(VariableDeclarationStatement const& _statement) override;
|
|
|
|
bool visit(StructDefinition const& _struct) override;
|
|
bool visit(Literal const& _literal) override;
|
|
|
|
langutil::ErrorReporter& m_errorReporter;
|
|
|
|
bool m_useYulOptimizer = false;
|
|
|
|
/// Flag that indicates whether a function modifier actually contains '_'.
|
|
bool m_placeholderFound = false;
|
|
|
|
/// Flag that indicates whether some version pragma was present.
|
|
bool m_versionPragmaFound = false;
|
|
|
|
int m_inLoopDepth = 0;
|
|
bool m_isInterface = false;
|
|
|
|
SourceUnit const* m_sourceUnit = nullptr;
|
|
};
|
|
|
|
}
|
|
}
|