Provide dialect to Parser and InlineAssembly AST nodes.

This commit is contained in:
chriseth 2019-05-22 13:57:48 +02:00
parent fb2b3bb2b9
commit 9a00729ce7
11 changed files with 58 additions and 27 deletions

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@ -27,7 +27,6 @@
#include <libyul/AsmAnalysis.h>
#include <libyul/AsmAnalysisInfo.h>
#include <libyul/AsmData.h>
#include <libyul/backends/evm/EVMDialect.h>
#include <liblangutil/ErrorReporter.h>
@ -707,7 +706,7 @@ bool TypeChecker::visit(InlineAssembly const& _inlineAssembly)
*_inlineAssembly.annotation().analysisInfo,
m_errorReporter,
Error::Type::SyntaxError,
yul::EVMDialect::looseAssemblyForEVM(m_evmVersion),
_inlineAssembly.dialect(),
identifierAccess
);
if (!analyzer.analyze(_inlineAssembly.operations()))

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@ -18,6 +18,7 @@
#include <libsolidity/analysis/ViewPureChecker.h>
#include <libsolidity/ast/ExperimentalFeatures.h>
#include <libyul/AsmData.h>
#include <libyul/backends/evm/EVMDialect.h>
#include <liblangutil/ErrorReporter.h>
#include <libevmasm/SemanticInformation.h>
#include <functional>
@ -33,7 +34,11 @@ namespace
class AssemblyViewPureChecker: public boost::static_visitor<void>
{
public:
explicit AssemblyViewPureChecker(std::function<void(StateMutability, SourceLocation const&)> _reportMutability):
explicit AssemblyViewPureChecker(
yul::Dialect const& _dialect,
std::function<void(StateMutability, SourceLocation const&)> _reportMutability
):
m_dialect(_dialect),
m_reportMutability(_reportMutability) {}
void operator()(yul::Label const&) { }
@ -69,6 +74,11 @@ public:
}
void operator()(yul::FunctionCall const& _funCall)
{
if (yul::EVMDialect const* dialect = dynamic_cast<decltype(dialect)>(&m_dialect))
if (yul::BuiltinFunctionForEVM const* fun = dialect->builtin(_funCall.functionName.name))
if (fun->instruction)
checkInstruction(_funCall.location, *fun->instruction);
for (auto const& arg: _funCall.arguments)
boost::apply_visitor(*this, arg);
}
@ -107,7 +117,6 @@ public:
}
private:
std::function<void(StateMutability, SourceLocation const&)> m_reportMutability;
void checkInstruction(SourceLocation _location, dev::eth::Instruction _instruction)
{
if (eth::SemanticInformation::invalidInViewFunctions(_instruction))
@ -117,6 +126,9 @@ private:
else if (eth::SemanticInformation::invalidInPureFunctions(_instruction))
m_reportMutability(StateMutability::View, _location);
}
yul::Dialect const& m_dialect;
std::function<void(StateMutability, SourceLocation const&)> m_reportMutability;
};
}
@ -223,6 +235,7 @@ void ViewPureChecker::endVisit(Identifier const& _identifier)
void ViewPureChecker::endVisit(InlineAssembly const& _inlineAssembly)
{
AssemblyViewPureChecker{
_inlineAssembly.dialect(),
[=](StateMutability _mutability, SourceLocation const& _location) { reportMutability(_mutability, _location); }
}(_inlineAssembly.operations());
}

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@ -43,6 +43,7 @@ namespace yul
{
// Forward-declaration to <yul/AsmData.h>
struct Block;
struct Dialect;
}
namespace dev
@ -1049,17 +1050,20 @@ public:
InlineAssembly(
SourceLocation const& _location,
ASTPointer<ASTString> const& _docString,
yul::Dialect const& _dialect,
std::shared_ptr<yul::Block> const& _operations
):
Statement(_location, _docString), m_operations(_operations) {}
Statement(_location, _docString), m_dialect(_dialect), m_operations(_operations) {}
void accept(ASTVisitor& _visitor) override;
void accept(ASTConstVisitor& _visitor) const override;
yul::Dialect const& dialect() const { return m_dialect; }
yul::Block const& operations() const { return *m_operations; }
InlineAssemblyAnnotation& annotation() const override;
private:
yul::Dialect const& m_dialect;
std::shared_ptr<yul::Block> m_operations;
};

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@ -35,8 +35,9 @@
namespace yul
{
struct AsmAnalysisInfo;
struct Identifier;
struct AsmAnalysisInfo;
struct Identifier;
struct Dialect;
}
namespace dev

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@ -217,7 +217,7 @@ bool CompilerStack::parse()
string const& path = sourcesToParse[i];
Source& source = m_sources[path];
source.scanner->reset();
source.ast = Parser(m_errorReporter).parse(source.scanner);
source.ast = Parser(m_errorReporter, m_evmVersion).parse(source.scanner);
if (!source.ast)
solAssert(!Error::containsOnlyWarnings(m_errorReporter.errors()), "Parser returned null but did not report error.");
else

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@ -29,6 +29,7 @@
#include <liblangutil/Scanner.h>
#include <liblangutil/SemVerHandler.h>
#include <liblangutil/SourceLocation.h>
#include <libyul/backends/evm/EVMDialect.h>
#include <cctype>
#include <vector>
@ -1039,21 +1040,22 @@ ASTPointer<InlineAssembly> Parser::parseInlineAssembly(ASTPointer<ASTString> con
SourceLocation location{position(), -1, source()};
expectToken(Token::Assembly);
yul::Dialect const& dialect = yul::EVMDialect::looseAssemblyForEVM(m_evmVersion);
if (m_scanner->currentToken() == Token::StringLiteral)
{
if (m_scanner->currentLiteral() != "evmasm")
fatalParserError("Only \"evmasm\" supported.");
// This can be used in the future to set the dialect.
m_scanner->next();
}
// Using latest EVM Version for now, it will be run again later.
yul::Parser asmParser(m_errorReporter, yul::EVMDialect::looseAssemblyForEVM(EVMVersion{}));
yul::Parser asmParser(m_errorReporter, dialect);
shared_ptr<yul::Block> block = asmParser.parse(m_scanner, true);
if (block == nullptr)
BOOST_THROW_EXCEPTION(FatalError());
location.end = block->location.end;
return make_shared<InlineAssembly>(location, _docString, block);
return make_shared<InlineAssembly>(location, _docString, dialect, block);
}
ASTPointer<IfStatement> Parser::parseIfStatement(ASTPointer<ASTString> const& _docString)

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@ -24,6 +24,7 @@
#include <libsolidity/ast/AST.h>
#include <liblangutil/ParserBase.h>
#include <liblangutil/EVMVersion.h>
namespace langutil
{
@ -38,7 +39,13 @@ namespace solidity
class Parser: public langutil::ParserBase
{
public:
explicit Parser(langutil::ErrorReporter& _errorReporter): ParserBase(_errorReporter) {}
explicit Parser(
langutil::ErrorReporter& _errorReporter,
langutil::EVMVersion _evmVersion
):
ParserBase(_errorReporter),
m_evmVersion(_evmVersion)
{}
ASTPointer<SourceUnit> parse(std::shared_ptr<langutil::Scanner> const& _scanner);
@ -181,6 +188,7 @@ private:
/// Flag that signifies whether '_' is parsed as a PlaceholderStatement or a regular identifier.
bool m_insideModifier = false;
langutil::EVMVersion m_evmVersion;
};
}

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@ -90,19 +90,18 @@ pair<YulString, BuiltinFunctionForEVM> createFunction(
return {name, f};
}
map<YulString, BuiltinFunctionForEVM> createBuiltins(langutil::EVMVersion _evmVersion, bool _objectAccess, bool _evmOpcodes)
map<YulString, BuiltinFunctionForEVM> createBuiltins(langutil::EVMVersion _evmVersion, bool _objectAccess)
{
map<YulString, BuiltinFunctionForEVM> builtins;
if (_evmOpcodes)
for (auto const& instr: Parser::instructions())
if (
!dev::eth::isDupInstruction(instr.second) &&
!dev::eth::isSwapInstruction(instr.second) &&
instr.second != eth::Instruction::JUMP &&
instr.second != eth::Instruction::JUMPI &&
_evmVersion.hasOpcode(instr.second)
)
builtins.emplace(createEVMFunction(instr.first, instr.second));
for (auto const& instr: Parser::instructions())
if (
!dev::eth::isDupInstruction(instr.second) &&
!dev::eth::isSwapInstruction(instr.second) &&
instr.second != eth::Instruction::JUMP &&
instr.second != eth::Instruction::JUMPI &&
_evmVersion.hasOpcode(instr.second)
)
builtins.emplace(createEVMFunction(instr.first, instr.second));
if (_objectAccess)
{
@ -167,7 +166,7 @@ EVMDialect::EVMDialect(AsmFlavour _flavour, bool _objectAccess, langutil::EVMVer
Dialect{_flavour},
m_objectAccess(_objectAccess),
m_evmVersion(_evmVersion),
m_functions(createBuiltins(_evmVersion, _objectAccess, _flavour != AsmFlavour::Loose))
m_functions(createBuiltins(_evmVersion, _objectAccess))
{
}

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@ -57,7 +57,7 @@ eth::AssemblyItems compileContract(std::shared_ptr<CharStream> _sourceCode)
{
ErrorList errors;
ErrorReporter errorReporter(errors);
Parser parser(errorReporter);
Parser parser(errorReporter, dev::test::Options::get().evmVersion());
ASTPointer<SourceUnit> sourceUnit;
BOOST_REQUIRE_NO_THROW(sourceUnit = parser.parse(make_shared<Scanner>(_sourceCode)));
BOOST_CHECK(!!sourceUnit);

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@ -102,7 +102,9 @@ bytes compileFirstExpression(
{
ErrorList errors;
ErrorReporter errorReporter(errors);
sourceUnit = Parser(errorReporter).parse(make_shared<Scanner>(CharStream(_sourceCode, "")));
sourceUnit = Parser(errorReporter, dev::test::Options::get().evmVersion()).parse(
make_shared<Scanner>(CharStream(_sourceCode, ""))
);
if (!sourceUnit)
return bytes();
}

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@ -44,7 +44,10 @@ namespace
ASTPointer<ContractDefinition> parseText(std::string const& _source, ErrorList& _errors)
{
ErrorReporter errorReporter(_errors);
ASTPointer<SourceUnit> sourceUnit = Parser(errorReporter).parse(std::make_shared<Scanner>(CharStream(_source, "")));
ASTPointer<SourceUnit> sourceUnit = Parser(
errorReporter,
dev::test::Options::get().evmVersion()
).parse(std::make_shared<Scanner>(CharStream(_source, "")));
if (!sourceUnit)
return ASTPointer<ContractDefinition>();
for (ASTPointer<ASTNode> const& node: sourceUnit->nodes())