mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
197 lines
6.9 KiB
C++
197 lines
6.9 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Lefteris <lefteris@ethdev.com>
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* @date 2015
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* Converts the AST into json format
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*/
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#pragma once
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#include <libsolidity/ast/ASTAnnotations.h>
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#include <libsolidity/ast/ASTVisitor.h>
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#include <liblangutil/Exceptions.h>
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#include <json/json.h>
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#include <algorithm>
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#include <optional>
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#include <ostream>
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#include <stack>
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#include <vector>
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namespace solidity::langutil
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{
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struct SourceLocation;
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}
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namespace solidity::frontend
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{
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/**
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* Converter of the AST into JSON format
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*/
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class ASTJsonConverter: public ASTConstVisitor
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{
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public:
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/// Create a converter to JSON for the given abstract syntax tree.
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/// @a _legacy if true, use legacy format
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/// @a _sourceIndices is used to abbreviate source names in source locations.
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explicit ASTJsonConverter(
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bool _legacy,
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std::map<std::string, unsigned> _sourceIndices = std::map<std::string, unsigned>()
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);
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/// Output the json representation of the AST to _stream.
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void print(std::ostream& _stream, ASTNode const& _node);
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Json::Value&& toJson(ASTNode const& _node);
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template <class T>
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Json::Value toJson(std::vector<ASTPointer<T>> const& _nodes)
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{
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Json::Value ret(Json::arrayValue);
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for (auto const& n: _nodes)
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if (n)
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appendMove(ret, toJson(*n));
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else
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ret.append(Json::nullValue);
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return ret;
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}
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bool visit(SourceUnit const& _node) override;
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bool visit(PragmaDirective const& _node) override;
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bool visit(ImportDirective const& _node) override;
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bool visit(ContractDefinition const& _node) override;
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bool visit(InheritanceSpecifier const& _node) override;
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bool visit(UsingForDirective const& _node) override;
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bool visit(StructDefinition const& _node) override;
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bool visit(EnumDefinition const& _node) override;
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bool visit(EnumValue const& _node) override;
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bool visit(ParameterList const& _node) override;
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bool visit(OverrideSpecifier const& _node) override;
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bool visit(FunctionDefinition const& _node) override;
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bool visit(VariableDeclaration const& _node) override;
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bool visit(ModifierDefinition const& _node) override;
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bool visit(ModifierInvocation const& _node) override;
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bool visit(EventDefinition const& _node) override;
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bool visit(ElementaryTypeName const& _node) override;
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bool visit(UserDefinedTypeName const& _node) override;
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bool visit(FunctionTypeName const& _node) override;
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bool visit(Mapping const& _node) override;
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bool visit(ArrayTypeName const& _node) override;
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bool visit(InlineAssembly const& _node) override;
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bool visit(Block const& _node) override;
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bool visit(PlaceholderStatement const& _node) override;
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bool visit(IfStatement const& _node) override;
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bool visit(TryCatchClause const& _node) override;
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bool visit(TryStatement const& _node) override;
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bool visit(WhileStatement const& _node) override;
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bool visit(ForStatement const& _node) override;
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bool visit(Continue const& _node) override;
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bool visit(Break const& _node) override;
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bool visit(Return const& _node) override;
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bool visit(Throw const& _node) override;
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bool visit(EmitStatement const& _node) override;
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bool visit(VariableDeclarationStatement const& _node) override;
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bool visit(ExpressionStatement const& _node) override;
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bool visit(Conditional const& _node) override;
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bool visit(Assignment const& _node) override;
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bool visit(TupleExpression const& _node) override;
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bool visit(UnaryOperation const& _node) override;
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bool visit(BinaryOperation const& _node) override;
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bool visit(FunctionCall const& _node) override;
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bool visit(FunctionCallOptions const& _node) override;
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bool visit(NewExpression const& _node) override;
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bool visit(MemberAccess const& _node) override;
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bool visit(IndexAccess const& _node) override;
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bool visit(IndexRangeAccess const& _node) override;
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bool visit(Identifier const& _node) override;
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bool visit(ElementaryTypeNameExpression const& _node) override;
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bool visit(Literal const& _node) override;
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bool visit(StructuredDocumentation const& _node) override;
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void endVisit(EventDefinition const&) override;
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private:
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void setJsonNode(
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ASTNode const& _node,
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std::string const& _nodeName,
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std::initializer_list<std::pair<std::string, Json::Value>>&& _attributes
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);
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void setJsonNode(
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ASTNode const& _node,
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std::string const& _nodeName,
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std::vector<std::pair<std::string, Json::Value>>&& _attributes
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);
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size_t sourceIndexFromLocation(langutil::SourceLocation const& _location) const;
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std::string sourceLocationToString(langutil::SourceLocation const& _location) const;
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static std::string namePathToString(std::vector<ASTString> const& _namePath);
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static Json::Value idOrNull(ASTNode const* _pt)
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{
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return _pt ? Json::Value(nodeId(*_pt)) : Json::nullValue;
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}
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Json::Value toJsonOrNull(ASTNode const* _node)
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{
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return _node ? toJson(*_node) : Json::nullValue;
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}
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Json::Value inlineAssemblyIdentifierToJson(std::pair<yul::Identifier const* , InlineAssemblyAnnotation::ExternalIdentifierInfo> _info) const;
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static std::string location(VariableDeclaration::Location _location);
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static std::string contractKind(ContractKind _kind);
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static std::string functionCallKind(FunctionCallKind _kind);
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static std::string literalTokenKind(Token _token);
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static std::string type(Expression const& _expression);
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static std::string type(VariableDeclaration const& _varDecl);
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static int nodeId(ASTNode const& _node)
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{
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return _node.id();
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}
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template<class Container>
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static Json::Value getContainerIds(Container const& _container, bool _order = false)
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{
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std::vector<int> tmp;
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for (auto const& element: _container)
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{
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solAssert(element, "");
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tmp.push_back(nodeId(*element));
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}
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if (_order)
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std::sort(tmp.begin(), tmp.end());
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Json::Value json(Json::arrayValue);
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for (int val: tmp)
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json.append(val);
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return json;
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}
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static Json::Value typePointerToJson(TypePointer _tp, bool _short = false);
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static Json::Value typePointerToJson(std::optional<FuncCallArguments> const& _tps);
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void appendExpressionAttributes(
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std::vector<std::pair<std::string, Json::Value>> &_attributes,
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ExpressionAnnotation const& _annotation
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);
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static void appendMove(Json::Value& _array, Json::Value&& _value)
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{
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solAssert(_array.isArray(), "");
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_array.append(std::move(_value));
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}
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bool m_legacy = false; ///< if true, use legacy format
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bool m_inEvent = false; ///< whether we are currently inside an event or not
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Json::Value m_currentValue;
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std::map<std::string, unsigned> m_sourceIndices;
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};
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}
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