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author | Federico Bond <federicobond@gmail.com> | 2016-12-01 21:55:02 +0800 |
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committer | Federico Bond <federicobond@gmail.com> | 2016-12-09 03:22:13 +0800 |
commit | 05139500fb44c1ff574756b3a5d10d46674c236d (patch) | |
tree | 252284ed87c33e648dd955739dfe104c12bad323 /libsolidity/analysis/StaticAnalyzer.h | |
parent | 84443eb56022cdb236425b99e253d0b142261372 (diff) | |
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Warn about using msg.value in non-payable function
Diffstat (limited to 'libsolidity/analysis/StaticAnalyzer.h')
-rw-r--r-- | libsolidity/analysis/StaticAnalyzer.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libsolidity/analysis/StaticAnalyzer.h b/libsolidity/analysis/StaticAnalyzer.h new file mode 100644 index 00000000..b6cf783e --- /dev/null +++ b/libsolidity/analysis/StaticAnalyzer.h @@ -0,0 +1,72 @@ +/* + 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/>. +*/ +/** + * @author Federico Bond <federicobond@gmail.com> + * @date 2016 + * Static analyzer and checker. + */ + +#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 dev +{ +namespace solidity +{ + + +/** + * The module that performs static analysis on the AST. + */ +class StaticAnalyzer: private ASTConstVisitor +{ +public: + /// @param _errors the reference to the list of errors and warnings to add them found during static analysis. + explicit StaticAnalyzer(ErrorList& _errors): m_errors(_errors) {} + + /// Performs static analysis on the given source unit and all of its sub-nodes. + /// @returns true iff all checks passed. Note even if all checks passed, errors() can still contain warnings + bool analyze(SourceUnit const& _sourceUnit); + +private: + /// Adds a new warning to the list of errors. + void warning(SourceLocation const& _location, std::string const& _description); + + virtual bool visit(ContractDefinition const& _contract) override; + virtual void endVisit(ContractDefinition const& _contract) override; + + virtual bool visit(FunctionDefinition const& _function) override; + virtual void endVisit(FunctionDefinition const& _function) override; + + virtual bool visit(MemberAccess const& _memberAccess) override; + + ErrorList& m_errors; + + /// Flag that indicates whether the current contract definition is a library. + bool m_library = false; + + /// Flag that indicates whether a public function does not contain the "payable" modifier. + bool m_nonPayablePublic = false; +}; + +} +} |