2 files changed, 18 insertions, 31 deletions

diff --git a/libsolidity/interface/AssemblyStack.cpp b/libsolidity/interface/AssemblyStack.cpp
index 31959d93..24e190b3 100644
--- a/libsolidity/interface/AssemblyStack.cpp
+++ b/libsolidity/interface/AssemblyStack.cpp
@@ -30,6 +30,7 @@
 #include <libyul/AsmCodeGen.h>
 #include <libyul/backends/evm/EVMCodeTransform.h>
 #include <libyul/backends/evm/EVMAssembly.h>
+#include <libyul/ObjectParser.h>
 
 #include <libevmasm/Assembly.h>
 
@@ -69,30 +70,22 @@ bool AssemblyStack::parseAndAnalyze(std::string const& _sourceName, std::string
 	m_errors.clear();
 	m_analysisSuccessful = false;
 	m_scanner = make_shared<Scanner>(CharStream(_source), _sourceName);
-	m_parserResult = yul::Parser(m_errorReporter, languageToAsmFlavour(m_language)).parse(m_scanner, false);
+	m_parserResult = yul::ObjectParser(m_errorReporter, languageToAsmFlavour(m_language)).parse(m_scanner, false);
 	if (!m_errorReporter.errors().empty())
 		return false;
 	solAssert(m_parserResult, "");
-
-	return analyzeParsed();
-}
-
-bool AssemblyStack::analyze(yul::Block const& _block, Scanner const* _scanner)
-{
-	m_errors.clear();
-	m_analysisSuccessful = false;
-	if (_scanner)
-		m_scanner = make_shared<Scanner>(*_scanner);
-	m_parserResult = make_shared<yul::Block>(_block);
+	solAssert(m_parserResult->code, "");
 
 	return analyzeParsed();
 }
 
 bool AssemblyStack::analyzeParsed()
 {
-	m_analysisInfo = make_shared<yul::AsmAnalysisInfo>();
-	yul::AsmAnalyzer analyzer(*m_analysisInfo, m_errorReporter, m_evmVersion, boost::none, languageToAsmFlavour(m_language));
-	m_analysisSuccessful = analyzer.analyze(*m_parserResult);
+	solAssert(m_parserResult, "");
+	solAssert(m_parserResult->code, "");
+	m_parserResult->analysisInfo = make_shared<yul::AsmAnalysisInfo>();
+	yul::AsmAnalyzer analyzer(*m_parserResult->analysisInfo, m_errorReporter, m_evmVersion, boost::none, languageToAsmFlavour(m_language));
+	m_analysisSuccessful = analyzer.analyze(*m_parserResult->code);
 	return m_analysisSuccessful;
 }
 
@@ -100,7 +93,8 @@ MachineAssemblyObject AssemblyStack::assemble(Machine _machine) const
 {
 	solAssert(m_analysisSuccessful, "");
 	solAssert(m_parserResult, "");
-	solAssert(m_analysisInfo, "");
+	solAssert(m_parserResult->code, "");
+	solAssert(m_parserResult->analysisInfo, "");
 
 	switch (_machine)
 	{
@@ -108,7 +102,7 @@ MachineAssemblyObject AssemblyStack::assemble(Machine _machine) const
 	{
 		MachineAssemblyObject object;
 		eth::Assembly assembly;
-		yul::CodeGenerator::assemble(*m_parserResult, *m_analysisInfo, assembly);
+		yul::CodeGenerator::assemble(*m_parserResult->code, *m_parserResult->analysisInfo, assembly);
 		object.bytecode = make_shared<eth::LinkerObject>(assembly.assemble());
 		object.assembly = assembly.assemblyString();
 		return object;
@@ -117,7 +111,7 @@ MachineAssemblyObject AssemblyStack::assemble(Machine _machine) const
 	{
 		MachineAssemblyObject object;
 		yul::EVMAssembly assembly(true);
-		yul::CodeTransform(assembly, *m_analysisInfo, m_language == Language::Yul, true)(*m_parserResult);
+		yul::CodeTransform(assembly, *m_parserResult->analysisInfo, m_language == Language::Yul, true)(*m_parserResult->code);
 		object.bytecode = make_shared<eth::LinkerObject>(assembly.finalize());
 		/// TODO: fill out text representation
 		return object;
@@ -132,5 +126,6 @@ MachineAssemblyObject AssemblyStack::assemble(Machine _machine) const
 string AssemblyStack::print() const
 {
 	solAssert(m_parserResult, "");
-	return yul::AsmPrinter(m_language == Language::Yul)(*m_parserResult);
+	solAssert(m_parserResult->code, "");
+	return m_parserResult->toString(m_language == Language::Yul) + "\n";
 }
diff --git a/libsolidity/interface/AssemblyStack.h b/libsolidity/interface/AssemblyStack.h
index 03b811db..7ae0592e 100644
--- a/libsolidity/interface/AssemblyStack.h
+++ b/libsolidity/interface/AssemblyStack.h
@@ -24,6 +24,9 @@
 #include <liblangutil/ErrorReporter.h>
 #include <liblangutil/EVMVersion.h>
 
+#include <libyul/Object.h>
+#include <libyul/ObjectParser.h>
+
 #include <libevmasm/LinkerObject.h>
 
 #include <string>
@@ -34,12 +37,6 @@ namespace langutil
 class Scanner;
 }
 
-namespace yul
-{
-struct AsmAnalysisInfo;
-struct Block;
-}
-
 namespace dev
 {
 namespace solidity
@@ -72,10 +69,6 @@ public:
 	/// Multiple calls overwrite the previous state.
 	bool parseAndAnalyze(std::string const& _sourceName, std::string const& _source);
 
-	/// Runs analysis step on the supplied block, returns false if input cannot be assembled.
-	/// Multiple calls overwrite the previous state.
-	bool analyze(yul::Block const& _block, langutil::Scanner const* _scanner = nullptr);
-
 	/// Run the assembly step (should only be called after parseAndAnalyze).
 	MachineAssemblyObject assemble(Machine _machine) const;
 
@@ -94,8 +87,7 @@ private:
 	std::shared_ptr<langutil::Scanner> m_scanner;
 
 	bool m_analysisSuccessful = false;
-	std::shared_ptr<yul::Block> m_parserResult;
-	std::shared_ptr<yul::AsmAnalysisInfo> m_analysisInfo;
+	std::shared_ptr<yul::Object> m_parserResult;
 	langutil::ErrorList m_errors;
 	langutil::ErrorReporter m_errorReporter;
 };