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#include <libsolidity/interface/InterfaceHandler.h>
#include <boost/range/irange.hpp>
#include <libsolidity/ast/AST.h>
#include <libsolidity/interface/CompilerStack.h>
using namespace std;
using namespace dev;
using namespace dev::solidity;
string InterfaceHandler::documentation(
ContractDefinition const& _contractDef,
DocumentationType _type
)
{
switch(_type)
{
case DocumentationType::NatspecUser:
return userDocumentation(_contractDef);
case DocumentationType::NatspecDev:
return devDocumentation(_contractDef);
case DocumentationType::ABIInterface:
return abiInterface(_contractDef);
case DocumentationType::ABISolidityInterface:
return ABISolidityInterface(_contractDef);
}
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown documentation type"));
return "";
}
string InterfaceHandler::abiInterface(ContractDefinition const& _contractDef)
{
Json::Value abi(Json::arrayValue);
auto populateParameters = [](vector<string> const& _paramNames, vector<string> const& _paramTypes)
{
Json::Value params(Json::arrayValue);
solAssert(_paramNames.size() == _paramTypes.size(), "Names and types vector size does not match");
for (unsigned i = 0; i < _paramNames.size(); ++i)
{
Json::Value param;
param["name"] = _paramNames[i];
param["type"] = _paramTypes[i];
params.append(param);
}
return params;
};
for (auto it: _contractDef.interfaceFunctions())
{
auto externalFunctionType = it.second->interfaceFunctionType();
Json::Value method;
method["type"] = "function";
method["name"] = it.second->declaration().name();
method["constant"] = it.second->isConstant();
method["inputs"] = populateParameters(
externalFunctionType->parameterNames(),
externalFunctionType->parameterTypeNames(_contractDef.isLibrary())
);
method["outputs"] = populateParameters(
externalFunctionType->returnParameterNames(),
externalFunctionType->returnParameterTypeNames(_contractDef.isLibrary())
);
abi.append(method);
}
if (_contractDef.constructor())
{
Json::Value method;
method["type"] = "constructor";
auto externalFunction = FunctionType(*_contractDef.constructor()).interfaceFunctionType();
solAssert(!!externalFunction, "");
method["inputs"] = populateParameters(
externalFunction->parameterNames(),
externalFunction->parameterTypeNames(_contractDef.isLibrary())
);
abi.append(method);
}
for (auto const& it: _contractDef.interfaceEvents())
{
Json::Value event;
event["type"] = "event";
event["name"] = it->name();
event["anonymous"] = it->isAnonymous();
Json::Value params(Json::arrayValue);
for (auto const& p: it->parameters())
{
Json::Value input;
input["name"] = p->name();
input["type"] = p->annotation().type->canonicalName(false);
input["indexed"] = p->isIndexed();
params.append(input);
}
event["inputs"] = params;
abi.append(event);
}
return Json::FastWriter().write(abi);
}
string InterfaceHandler::ABISolidityInterface(ContractDefinition const& _contractDef)
{
string ret = (_contractDef.isLibrary() ? "library " : "contract ") + _contractDef.name() + "{";
auto populateParameters = [](vector<string> const& _paramNames, vector<string> const& _paramTypes)
{
string ret = "(";
for (size_t i = 0; i < _paramNames.size(); ++i)
ret += _paramTypes[i] + " " + _paramNames[i] + ",";
if (ret.size() != 1)
ret.pop_back();
return ret + ")";
};
// If this is a library, include all its enum and struct types. Should be more intelligent
// in the future and check what is actually used (it might even use types from other libraries
// or contracts or in the global scope).
if (_contractDef.isLibrary())
{
for (auto const& stru: _contractDef.definedStructs())
{
ret += "struct " + stru->name() + "{";
for (ASTPointer<VariableDeclaration> const& _member: stru->members())
ret += _member->type(nullptr)->canonicalName(false) + " " + _member->name() + ";";
ret += "}";
}
for (auto const& enu: _contractDef.definedEnums())
{
ret += "enum " + enu->name() + "{";
for (ASTPointer<EnumValue> const& val: enu->members())
ret += val->name() + ",";
if (ret.back() == ',')
ret.pop_back();
ret += "}";
}
}
if (_contractDef.constructor())
{
auto externalFunction = FunctionType(*_contractDef.constructor()).interfaceFunctionType();
solAssert(!!externalFunction, "");
ret +=
"function " +
_contractDef.name() +
populateParameters(
externalFunction->parameterNames(),
externalFunction->parameterTypeNames(_contractDef.isLibrary())
) +
";";
}
for (auto const& it: _contractDef.interfaceFunctions())
{
ret += "function " + it.second->declaration().name() +
populateParameters(
it.second->parameterNames(),
it.second->parameterTypeNames(_contractDef.isLibrary())
) + (it.second->isConstant() ? "constant " : "");
if (it.second->returnParameterTypes().size())
ret += "returns" + populateParameters(
it.second->returnParameterNames(),
it.second->returnParameterTypeNames(_contractDef.isLibrary())
);
else if (ret.back() == ' ')
ret.pop_back();
ret += ";";
}
return ret + "}";
}
string InterfaceHandler::userDocumentation(ContractDefinition const& _contractDef)
{
Json::Value doc;
Json::Value methods(Json::objectValue);
for (auto const& it: _contractDef.interfaceFunctions())
if (it.second->hasDeclaration())
if (auto const* f = dynamic_cast<FunctionDefinition const*>(&it.second->declaration()))
{
string value = extractDoc(f->annotation().docTags, "notice");
if (!value.empty())
{
Json::Value user;
// since @notice is the only user tag if missing function should not appear
user["notice"] = Json::Value(value);
methods[it.second->externalSignature()] = user;
}
}
doc["methods"] = methods;
return Json::StyledWriter().write(doc);
}
string InterfaceHandler::devDocumentation(ContractDefinition const& _contractDef)
{
Json::Value doc;
Json::Value methods(Json::objectValue);
auto author = extractDoc(_contractDef.annotation().docTags, "author");
if (!author.empty())
doc["author"] = author;
auto title = extractDoc(_contractDef.annotation().docTags, "title");
if (!title.empty())
doc["title"] = title;
for (auto const& it: _contractDef.interfaceFunctions())
{
if (!it.second->hasDeclaration())
continue;
Json::Value method;
if (auto fun = dynamic_cast<FunctionDefinition const*>(&it.second->declaration()))
{
auto dev = extractDoc(fun->annotation().docTags, "dev");
if (!dev.empty())
method["details"] = Json::Value(dev);
auto author = extractDoc(fun->annotation().docTags, "author");
if (!author.empty())
method["author"] = author;
auto ret = extractDoc(fun->annotation().docTags, "return");
if (!ret.empty())
method["return"] = ret;
Json::Value params(Json::objectValue);
auto paramRange = fun->annotation().docTags.equal_range("param");
for (auto i = paramRange.first; i != paramRange.second; ++i)
params[i->second.paramName] = Json::Value(i->second.content);
if (!params.empty())
method["params"] = params;
if (!method.empty())
// add the function, only if we have any documentation to add
methods[it.second->externalSignature()] = method;
}
}
doc["methods"] = methods;
return Json::StyledWriter().write(doc);
}
string InterfaceHandler::extractDoc(multimap<string, DocTag> const& _tags, string const& _name)
{
string value;
auto range = _tags.equal_range(_name);
for (auto i = range.first; i != range.second; i++)
value += i->second.content;
return value;
}
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