mirror of
				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	Also:
- Use {}-style list initialisation for SourceLocation construction
- Introduce new system includes
- Changes the API of the Scanner to take source as value (with move) as opposed to as a reference
		
	
			
		
			
				
	
	
		
			141 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			4.0 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 Christian <c@ethdev.com>
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 * @date 2015
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 * Parses and analyses the doc strings.
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 * Stores the parsing results in the AST annotations and reports errors.
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 */
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#include <libsolidity/analysis/DocStringAnalyser.h>
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#include <libsolidity/ast/AST.h>
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#include <liblangutil/ErrorReporter.h>
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#include <libsolidity/parsing/DocStringParser.h>
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using namespace std;
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using namespace dev;
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using namespace langutil;
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using namespace dev::solidity;
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bool DocStringAnalyser::analyseDocStrings(SourceUnit const& _sourceUnit)
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{
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	m_errorOccured = false;
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	_sourceUnit.accept(*this);
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	return !m_errorOccured;
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}
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bool DocStringAnalyser::visit(ContractDefinition const& _contract)
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{
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	static const set<string> validTags = set<string>{"author", "title", "dev", "notice"};
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	parseDocStrings(_contract, _contract.annotation(), validTags, "contracts");
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	return true;
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}
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bool DocStringAnalyser::visit(FunctionDefinition const& _function)
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{
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	if (_function.isConstructor())
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		handleConstructor(_function, _function, _function.annotation());
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	else
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		handleCallable(_function, _function, _function.annotation());
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	return true;
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}
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bool DocStringAnalyser::visit(ModifierDefinition const& _modifier)
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{
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	handleCallable(_modifier, _modifier, _modifier.annotation());
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	return true;
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}
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bool DocStringAnalyser::visit(EventDefinition const& _event)
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{
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	handleCallable(_event, _event, _event.annotation());
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	return true;
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}
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void DocStringAnalyser::checkParameters(
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	CallableDeclaration const& _callable,
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	DocumentedAnnotation& _annotation
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)
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{
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	set<string> validParams;
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	for (auto const& p: _callable.parameters())
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		validParams.insert(p->name());
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	if (_callable.returnParameterList())
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		for (auto const& p: _callable.returnParameterList()->parameters())
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			validParams.insert(p->name());
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	auto paramRange = _annotation.docTags.equal_range("param");
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	for (auto i = paramRange.first; i != paramRange.second; ++i)
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		if (!validParams.count(i->second.paramName))
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			appendError(
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				"Documented parameter \"" +
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				i->second.paramName +
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				"\" not found in the parameter list of the function."
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			);
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}
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void DocStringAnalyser::handleConstructor(
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	CallableDeclaration const& _callable,
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	Documented const& _node,
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	DocumentedAnnotation& _annotation
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)
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{
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	static const set<string> validTags = set<string>{"author", "dev", "notice", "param"};
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	parseDocStrings(_node, _annotation, validTags, "constructor");
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	checkParameters(_callable, _annotation);
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}
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void DocStringAnalyser::handleCallable(
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	CallableDeclaration const& _callable,
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	Documented const& _node,
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	DocumentedAnnotation& _annotation
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)
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{
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	static const set<string> validTags = set<string>{"author", "dev", "notice", "return", "param"};
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	parseDocStrings(_node, _annotation, validTags, "functions");
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	checkParameters(_callable, _annotation);
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}
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void DocStringAnalyser::parseDocStrings(
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	Documented const& _node,
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	DocumentedAnnotation& _annotation,
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	set<string> const& _validTags,
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	string const& _nodeName
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)
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{
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	DocStringParser parser;
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	if (_node.documentation() && !_node.documentation()->empty())
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	{
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		if (!parser.parse(*_node.documentation(), m_errorReporter))
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			m_errorOccured = true;
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		_annotation.docTags = parser.tags();
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	}
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	for (auto const& docTag: _annotation.docTags)
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		if (!_validTags.count(docTag.first))
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			appendError("Doc tag @" + docTag.first + " not valid for " + _nodeName + ".");
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}
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void DocStringAnalyser::appendError(string const& _description)
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{
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	m_errorOccured = true;
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	m_errorReporter.docstringParsingError(_description);
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}
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