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Solidity AST Json Exporter

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- A first version of the exporter is ready with this commit
- Further refinement will follow once it gets used
This commit is contained in:
Lefteris Karapetsas 2015-01-15 16:54:59 +01:00
parent 2eaf9ff865
commit 9c8ce49969
2 changed files with 105 additions and 137 deletions
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225
ASTJsonConverter.cpp
View File

@ -30,39 +30,50 @@ namespace dev
namespace solidity namespace solidity
{ {
void ASTJsonConverter::addJsonNode(string const& _typeName, void ASTJsonConverter::addKeyValue(Json::Value& _obj, string const& _key, string const& _val)
{
// special handling for booleans
if (_key == "const" || _key == "public" || _key == "local" ||
_key == "lvalue" || _key == "local_lvalue" || _key == "prefix")
_obj[_key] = (_val == "1") ? true : false;
else
// else simply add it as a string
_obj[_key] = _val;
}
void ASTJsonConverter::addJsonNode(string const& _nodeName,
initializer_list<pair<string const, string const>> _list, initializer_list<pair<string const, string const>> _list,
bool _hasChildren = false) bool _hasChildren = false)
{ {
Json::Value node; Json::Value node;
node["name"] = _nodeName;
if (_list.size() !=0)
{
Json::Value attrs; Json::Value attrs;
node["type"] = _typeName;
for (auto &e: _list) for (auto &e: _list)
attrs[e.first] = e.second; addKeyValue(attrs, e.first, e.second);
node["attributes"] = attrs; node["attributes"] = attrs;
}
m_jsonNodePtrs.top().append(node); (*m_jsonNodePtrs.top()).append(node);
if (_hasChildren) { if (_hasChildren)
{
Json::Value& addedNode = (*m_jsonNodePtrs.top())[m_jsonNodePtrs.top()->size() - 1];
Json::Value children(Json::arrayValue); Json::Value children(Json::arrayValue);
node["children"] = children; addedNode["children"] = children;
m_jsonNodePtrs.push(node["children"]); m_jsonNodePtrs.push(&addedNode["children"]);
m_depth ++;
cout << "goDown" << endl;
} }
} }
ASTJsonConverter::ASTJsonConverter(ASTNode const& _ast): m_ast(&_ast), m_depth(0) ASTJsonConverter::ASTJsonConverter(ASTNode const& _ast): m_ast(&_ast)
{ {
Json::Value attrs;
Json::Value children(Json::arrayValue); Json::Value children(Json::arrayValue);
m_astJson["type"] = "root"; m_astJson["name"] = "root";
m_astJson["attributes"] = attrs;
attrs["name"] = "nameoffile"; //TODO
m_astJson["children"] = children; m_astJson["children"] = children;
m_jsonNodePtrs.push(m_astJson["children"]); m_jsonNodePtrs.push(&m_astJson["children"]);
} }
void ASTJsonConverter::print(ostream& _stream) void ASTJsonConverter::print(ostream& _stream)
@ -74,31 +85,31 @@ void ASTJsonConverter::print(ostream& _stream)
bool ASTJsonConverter::visit(ImportDirective const& _node) bool ASTJsonConverter::visit(ImportDirective const& _node)
{ {
addJsonNode("import", { make_pair("file", _node.getIdentifier())}); addJsonNode("Import", { make_pair("file", _node.getIdentifier())});
return true; return true;
} }
bool ASTJsonConverter::visit(ContractDefinition const& _node) bool ASTJsonConverter::visit(ContractDefinition const& _node)
{ {
addJsonNode("contract", { make_pair("name", _node.getName())}, true); addJsonNode("Contract", { make_pair("name", _node.getName())}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(StructDefinition const& _node) bool ASTJsonConverter::visit(StructDefinition const& _node)
{ {
addJsonNode("struct", { make_pair("name", _node.getName())}, true); addJsonNode("Struct", { make_pair("name", _node.getName())}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(ParameterList const& _node) bool ASTJsonConverter::visit(ParameterList const&)
{ {
addJsonNode("parameter_list", {}, true); addJsonNode("ParameterList", {}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(FunctionDefinition const& _node) bool ASTJsonConverter::visit(FunctionDefinition const& _node)
{ {
addJsonNode("function", addJsonNode("Function",
{ make_pair("name", _node.getName()), { make_pair("name", _node.getName()),
make_pair("public", boost::lexical_cast<std::string>(_node.isPublic())), make_pair("public", boost::lexical_cast<std::string>(_node.isPublic())),
make_pair("const", boost::lexical_cast<std::string>(_node.isDeclaredConst()))}, make_pair("const", boost::lexical_cast<std::string>(_node.isDeclaredConst()))},
@ -108,235 +119,196 @@ bool ASTJsonConverter::visit(FunctionDefinition const& _node)
bool ASTJsonConverter::visit(VariableDeclaration const& _node) bool ASTJsonConverter::visit(VariableDeclaration const& _node)
{ {
addJsonNode("variable_declaration", addJsonNode("VariableDeclaration",
{ //make_pair("type", _node.getTypeName()->getName()), { make_pair("name", _node.getName()),
make_pair("name", _node.getName()), make_pair("local", boost::lexical_cast<std::string>(_node.isLocalVariable()))},
make_pair("local", boost::lexical_cast<std::string>(_node.isLocalVariable()))}); true);
return true; return true;
} }
bool ASTJsonConverter::visit(TypeName const& _node) bool ASTJsonConverter::visit(TypeName const&)
{ {
// writeLine("TypeName");
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(ElementaryTypeName const& _node) bool ASTJsonConverter::visit(ElementaryTypeName const& _node)
{ {
// writeLine(string("ElementaryTypeName ") + Token::toString(_node.getTypeName())); addJsonNode("ElementaryTypeName", { make_pair("name", Token::toString(_node.getTypeName())) });
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(UserDefinedTypeName const& _node) bool ASTJsonConverter::visit(UserDefinedTypeName const& _node)
{ {
// writeLine("UserDefinedTypeName \"" + _node.getName() + "\""); addJsonNode("UserDefinedTypeName", { make_pair("name", _node.getName()) });
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(Mapping const& _node) bool ASTJsonConverter::visit(Mapping const&)
{ {
// writeLine("Mapping"); addJsonNode("Mapping", {}, true);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(Statement const& _node) bool ASTJsonConverter::visit(Statement const&)
{ {
addJsonNode("statement", {}, true); addJsonNode("Statement", {}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(Block const& _node) bool ASTJsonConverter::visit(Block const&)
{ {
addJsonNode("block", {}, true); addJsonNode("Block", {}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(IfStatement const& _node) bool ASTJsonConverter::visit(IfStatement const&)
{ {
addJsonNode("if_statement", {}, true); addJsonNode("IfStatement", {}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(BreakableStatement const& _node) bool ASTJsonConverter::visit(BreakableStatement const&)
{ {
// writeLine("BreakableStatement");
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(WhileStatement const& _node) bool ASTJsonConverter::visit(WhileStatement const&)
{ {
addJsonNode("while_statement", {}, true); addJsonNode("WhileStatement", {}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(ForStatement const& _node) bool ASTJsonConverter::visit(ForStatement const&)
{ {
addJsonNode("for_statement", {}, true); addJsonNode("ForStatement", {}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(Continue const& _node) bool ASTJsonConverter::visit(Continue const&)
{ {
addJsonNode("continue", {}); addJsonNode("Continue", {});
return true; return true;
} }
bool ASTJsonConverter::visit(Break const& _node) bool ASTJsonConverter::visit(Break const&)
{ {
addJsonNode("break", {}); addJsonNode("Break", {});
return true; return true;
} }
bool ASTJsonConverter::visit(Return const& _node) bool ASTJsonConverter::visit(Return const&)
{ {
addJsonNode("return", {});; addJsonNode("Return", {}, true);;
return true; return true;
} }
bool ASTJsonConverter::visit(VariableDefinition const& _node) bool ASTJsonConverter::visit(VariableDefinition const&)
{ {
addJsonNode("variable_definition", {}, true); addJsonNode("VariableDefinition", {}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(ExpressionStatement const& _node) bool ASTJsonConverter::visit(ExpressionStatement const&)
{ {
addJsonNode("expression_statement", {}, true); addJsonNode("ExpressionStatement", {}, true);
return true; return true;
} }
bool ASTJsonConverter::visit(Expression const& _node) bool ASTJsonConverter::visit(Expression const& _node)
{ {
addJsonNode("expression", addJsonNode("Expression",
{ {
make_pair("type", _node.getType()->toString()), make_pair("type", getType(_node)),
make_pair("lvalue", boost::lexical_cast<std::string>(_node.isLValue())), make_pair("lvalue", boost::lexical_cast<std::string>(_node.isLValue())),
make_pair("local_lvalue", boost::lexical_cast<std::string>(_node.isLocalLValue())), make_pair("local_lvalue", boost::lexical_cast<std::string>(_node.isLocalLValue()))},
},
true); true);
// writeLine("Expression");
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(Assignment const& _node) bool ASTJsonConverter::visit(Assignment const& _node)
{ {
addJsonNode("assignment", {make_pair("operator", Token::toString(_node.getAssignmentOperator()))}, true); addJsonNode("Assignment",
// writeLine(string("Assignment using operator ") + Token::toString(_node.getAssignmentOperator())); {make_pair("operator", Token::toString(_node.getAssignmentOperator())),
// printType(_node); make_pair("type", getType(_node))},
// printSourcePart(_node); true);
return true; return true;
} }
bool ASTJsonConverter::visit(UnaryOperation const& _node) bool ASTJsonConverter::visit(UnaryOperation const& _node)
{ {
addJsonNode("unary_op", addJsonNode("UnaryOperation",
{make_pair("prefix", boost::lexical_cast<std::string>(_node.isPrefixOperation())), {make_pair("prefix", boost::lexical_cast<std::string>(_node.isPrefixOperation())),
make_pair("operator", Token::toString(_node.getOperator()))}, make_pair("operator", Token::toString(_node.getOperator())),
make_pair("type", getType(_node))},
true); true);
// writeLine(string("UnaryOperation (") + (_node.isPrefixOperation() ? "prefix" : "postfix") +
// ") " + Token::toString(_node.getOperator()));
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(BinaryOperation const& _node) bool ASTJsonConverter::visit(BinaryOperation const& _node)
{ {
addJsonNode("binary_op", addJsonNode("BinaryOperation",
{make_pair("operator", Token::toString(_node.getOperator()))}, {make_pair("operator", Token::toString(_node.getOperator())),
make_pair("type", getType(_node))},
true); true);
// writeLine(string("BinaryOperation using operator ") + Token::toString(_node.getOperator()));
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(FunctionCall const& _node) bool ASTJsonConverter::visit(FunctionCall const& _node)
{ {
addJsonNode("function_call", addJsonNode("FunctionCall",
{make_pair("type_conversion", boost::lexical_cast<std::string>(_node.isTypeConversion()))}, {make_pair("type_conversion", boost::lexical_cast<std::string>(_node.isTypeConversion())),
make_pair("type", getType(_node))},
true); true);
// writeLine("FunctionCall");
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(NewExpression const& _node) bool ASTJsonConverter::visit(NewExpression const& _node)
{ {
addJsonNode("new_expression", {}, true); addJsonNode("NewExpression", {make_pair("type", getType(_node))}, true);
// writeLine("NewExpression");
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(MemberAccess const& _node) bool ASTJsonConverter::visit(MemberAccess const& _node)
{ {
addJsonNode("member_access", {make_pair("member_name", _node.getMemberName())}, true); addJsonNode("MemberAccess",
// writeLine("MemberAccess to member " + _node.getMemberName()); {make_pair("member_name", _node.getMemberName()),
// printType(_node); make_pair("type", getType(_node))},
// printSourcePart(_node); true);
return true; return true;
} }
bool ASTJsonConverter::visit(IndexAccess const& _node) bool ASTJsonConverter::visit(IndexAccess const& _node)
{ {
addJsonNode("index_access", {}, true); addJsonNode("IndexAccess", {make_pair("type", getType(_node))}, true);
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(PrimaryExpression const& _node) bool ASTJsonConverter::visit(PrimaryExpression const&)
{ {
// writeLine("PrimaryExpression");
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(Identifier const& _node) bool ASTJsonConverter::visit(Identifier const& _node)
{ {
addJsonNode("identifier", {make_pair("value", _node.getName())}); addJsonNode("Identifier",
// writeLine(string("Identifier ") + _node.getName()); {make_pair("value", _node.getName()), make_pair("type", getType(_node))});
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(ElementaryTypeNameExpression const& _node) bool ASTJsonConverter::visit(ElementaryTypeNameExpression const& _node)
{ {
addJsonNode("elementary_typename_expression", addJsonNode("ElementaryTypenameExpression",
{make_pair("value", Token::toString(_node.getTypeToken()))}); {make_pair("value", Token::toString(_node.getTypeToken())), make_pair("type", getType(_node))});
// writeLine(string("ElementaryTypeNameExpression ") + Token::toString(_node.getTypeToken()));
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
bool ASTJsonConverter::visit(Literal const& _node) bool ASTJsonConverter::visit(Literal const& _node)
{ {
char const* tokenString = Token::toString(_node.getToken()); char const* tokenString = Token::toString(_node.getToken());
addJsonNode("literal", addJsonNode("Literal",
{ {make_pair("string", (tokenString) ? tokenString : "null"),
make_pair("string", (tokenString) ? tokenString : "null"), make_pair("value", _node.getValue()),
make_pair("value", _node.getValue())}); make_pair("type", getType(_node))});
// char const* tokenString = Token::toString(_node.getToken());
// if (!tokenString)
// tokenString = "[no token]";
// writeLine(string("Literal, token: ") + tokenString + " value: " + _node.getValue());
// printType(_node);
// printSourcePart(_node);
return true; return true;
} }
@ -431,7 +403,7 @@ void ASTJsonConverter::endVisit(Break const&)
void ASTJsonConverter::endVisit(Return const&) void ASTJsonConverter::endVisit(Return const&)
{ {
goUp();
} }
void ASTJsonConverter::endVisit(VariableDefinition const&) void ASTJsonConverter::endVisit(VariableDefinition const&)
@ -504,12 +476,9 @@ void ASTJsonConverter::endVisit(Literal const&)
} }
void ASTJsonConverter::printType(Expression const& _expression) string const ASTJsonConverter::getType(Expression const& _expression)
{ {
// if (_expression.getType()) return (_expression.getType()) ? _expression.getType()->toString() : "Unknown";
// *m_ostream << getIndentation() << " Type: " << _expression.getType()->toString() << "\n";
// else
// *m_ostream << getIndentation() << " Type unknown.\n";
} }

13
ASTJsonConverter.h
View File

@ -114,21 +114,20 @@ public:
void endVisit(Literal const&) override; void endVisit(Literal const&) override;
private: private:
void addJsonNode(std::string const& _typeName, void addKeyValue(Json::Value& _obj, std::string const& _key, std::string const& _val);
void addJsonNode(std::string const& _nodeName,
std::initializer_list<std::pair<std::string const, std::string const>> _list, std::initializer_list<std::pair<std::string const, std::string const>> _list,
bool _hasChildren); bool _hasChildren);
void printType(Expression const& _expression); std::string const getType(Expression const& _expression);
inline void goUp() inline void goUp()
{ {
std::cout << "goUp" << std::endl; if (m_jsonNodePtrs.empty())
m_jsonNodePtrs.pop();
m_depth--;
if (m_depth < 0)
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Internal error")); BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Internal error"));
m_jsonNodePtrs.pop();
}; };
Json::Value m_astJson; Json::Value m_astJson;
std::stack<Json::Value> m_jsonNodePtrs; std::stack<Json::Value*> m_jsonNodePtrs;
std::string m_source; std::string m_source;
ASTNode const* m_ast; ASTNode const* m_ast;
int m_depth; int m_depth;