Introduce namespace `langutil` in liblangutil directory.

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

18 files changed, 25 insertions, 9 deletions

diff --git a/test/libsolidity/AnalysisFramework.cpp b/test/libsolidity/AnalysisFramework.cpp
index dafd1748..12d63cb7 100644
--- a/test/libsolidity/AnalysisFramework.cpp
+++ b/test/libsolidity/AnalysisFramework.cpp
@@ -35,6 +35,7 @@
 
 using namespace std;
 using namespace dev;
+using namespace langutil;
 using namespace dev::solidity;
 using namespace dev::solidity::test;
 
@@ -127,7 +128,7 @@ string AnalysisFramework::formatError(Error const& _error) const
 	return SourceReferenceFormatter::formatExceptionInformation(
 			_error,
 			(_error.type() == Error::Type::Warning) ? "Warning" : "Error",
-			[&](std::string const& _sourceName) -> solidity::Scanner const& { return m_compiler.scanner(_sourceName); }
+			[&](std::string const& _sourceName) -> Scanner const& { return m_compiler.scanner(_sourceName); }
 		);
 }
 
diff --git a/test/libsolidity/AnalysisFramework.h b/test/libsolidity/AnalysisFramework.h
index a904617d..391a21da 100644
--- a/test/libsolidity/AnalysisFramework.h
+++ b/test/libsolidity/AnalysisFramework.h
@@ -45,7 +45,7 @@ class AnalysisFramework
 {
 
 protected:
-	virtual std::pair<SourceUnit const*, ErrorList>
+	virtual std::pair<SourceUnit const*, langutil::ErrorList>
 	parseAnalyseAndReturnError(
 		std::string const& _source,
 		bool _reportWarnings = false,
@@ -56,10 +56,10 @@ protected:
 
 	SourceUnit const* parseAndAnalyse(std::string const& _source);
 	bool success(std::string const& _source);
-	ErrorList expectError(std::string const& _source, bool _warning = false, bool _allowMultiple = false);
+	langutil::ErrorList expectError(std::string const& _source, bool _warning = false, bool _allowMultiple = false);
 
 	std::string formatErrors() const;
-	std::string formatError(Error const& _error) const;
+	std::string formatError(langutil::Error const& _error) const;
 
 	static ContractDefinition const* retrieveContractByName(SourceUnit const& _source, std::string const& _name);
 	static FunctionTypePointer retrieveFunctionBySignature(
@@ -68,7 +68,7 @@ protected:
 	);
 
 	// filter out the warnings in m_warningsToFilter or all warnings if _includeWarnings is false
-	ErrorList filterErrors(ErrorList const& _errorList, bool _includeWarnings) const;
+	langutil::ErrorList filterErrors(langutil::ErrorList const& _errorList, bool _includeWarnings) const;
 
 	std::vector<std::string> m_warningsToFilter = {"This is a pre-release compiler version"};
 	dev::solidity::CompilerStack m_compiler;
diff --git a/test/libsolidity/Assembly.cpp b/test/libsolidity/Assembly.cpp
index 78fa7bcf..926e29fe 100644
--- a/test/libsolidity/Assembly.cpp
+++ b/test/libsolidity/Assembly.cpp
@@ -39,6 +39,7 @@
 #include <iostream>
 
 using namespace std;
+using namespace langutil;
 using namespace dev::eth;
 
 namespace dev
diff --git a/test/libsolidity/ErrorCheck.cpp b/test/libsolidity/ErrorCheck.cpp
index fba2c897..e1f48fb2 100644
--- a/test/libsolidity/ErrorCheck.cpp
+++ b/test/libsolidity/ErrorCheck.cpp
@@ -27,6 +27,7 @@
 
 using namespace std;
 using namespace dev;
+using namespace langutil;
 using namespace dev::solidity;
 
 namespace
diff --git a/test/libsolidity/ErrorCheck.h b/test/libsolidity/ErrorCheck.h
index c70a6645..c3a2f522 100644
--- a/test/libsolidity/ErrorCheck.h
+++ b/test/libsolidity/ErrorCheck.h
@@ -30,10 +30,10 @@ namespace dev
 {
 namespace solidity
 {
-bool searchErrorMessage(Error const& _err, std::string const& _substr);
+bool searchErrorMessage(langutil::Error const& _err, std::string const& _substr);
 /// Checks that all provided errors are of the given type and have a given substring in their
 /// description.
 /// If the expectations are not met, returns a nonempty description, otherwise an empty string.
-std::string searchErrors(ErrorList const& _errors, std::vector<std::pair<Error::Type, std::string>> const& _expectations);
+std::string searchErrors(langutil::ErrorList const& _errors, std::vector<std::pair<langutil::Error::Type, std::string>> const& _expectations);
 }
 }
diff --git a/test/libsolidity/GasMeter.cpp b/test/libsolidity/GasMeter.cpp
index 4887dd5b..61f16c0f 100644
--- a/test/libsolidity/GasMeter.cpp
+++ b/test/libsolidity/GasMeter.cpp
@@ -29,6 +29,7 @@
 #include <libsolidity/interface/SourceReferenceFormatter.h>
 
 using namespace std;
+using namespace langutil;
 using namespace dev::eth;
 using namespace dev::solidity;
 using namespace dev::test;
diff --git a/test/libsolidity/InlineAssembly.cpp b/test/libsolidity/InlineAssembly.cpp
index 3079e032..31d21490 100644
--- a/test/libsolidity/InlineAssembly.cpp
+++ b/test/libsolidity/InlineAssembly.cpp
@@ -36,6 +36,7 @@
 #include <memory>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {
diff --git a/test/libsolidity/SMTChecker.cpp b/test/libsolidity/SMTChecker.cpp
index 195004cb..13fcc5b4 100644
--- a/test/libsolidity/SMTChecker.cpp
+++ b/test/libsolidity/SMTChecker.cpp
@@ -25,6 +25,7 @@
 #include <string>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {
diff --git a/test/libsolidity/SemVerMatcher.cpp b/test/libsolidity/SemVerMatcher.cpp
index b2f4b3c2..2e147847 100644
--- a/test/libsolidity/SemVerMatcher.cpp
+++ b/test/libsolidity/SemVerMatcher.cpp
@@ -28,6 +28,7 @@
 #include <test/Options.h>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {
diff --git a/test/libsolidity/SolidityExecutionFramework.h b/test/libsolidity/SolidityExecutionFramework.h
index ab71a3e0..d43e994d 100644
--- a/test/libsolidity/SolidityExecutionFramework.h
+++ b/test/libsolidity/SolidityExecutionFramework.h
@@ -72,13 +72,13 @@ public:
 		m_compiler.setOptimiserSettings(m_optimize, m_optimizeRuns);
 		if (!m_compiler.compile())
 		{
-			auto scannerFromSourceName = [&](std::string const& _sourceName) -> solidity::Scanner const& { return m_compiler.scanner(_sourceName); };
+			auto scannerFromSourceName = [&](std::string const& _sourceName) -> langutil::Scanner const& { return m_compiler.scanner(_sourceName); };
 			SourceReferenceFormatter formatter(std::cerr, scannerFromSourceName);
 
 			for (auto const& error: m_compiler.errors())
 				formatter.printExceptionInformation(
 					*error,
-					(error->type() == Error::Type::Warning) ? "Warning" : "Error"
+					(error->type() == langutil::Error::Type::Warning) ? "Warning" : "Error"
 				);
 			BOOST_ERROR("Compiling contract failed");
 		}
diff --git a/test/libsolidity/SolidityExpressionCompiler.cpp b/test/libsolidity/SolidityExpressionCompiler.cpp
index 37183279..a68eb3df 100644
--- a/test/libsolidity/SolidityExpressionCompiler.cpp
+++ b/test/libsolidity/SolidityExpressionCompiler.cpp
@@ -33,6 +33,7 @@
 #include <test/Options.h>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {
diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp
index 5ec010c7..75726027 100644
--- a/test/libsolidity/SolidityNameAndTypeResolution.cpp
+++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp
@@ -33,6 +33,7 @@
 #include <string>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {
diff --git a/test/libsolidity/SolidityNatspecJSON.cpp b/test/libsolidity/SolidityNatspecJSON.cpp
index 45191ce1..d930f697 100644
--- a/test/libsolidity/SolidityNatspecJSON.cpp
+++ b/test/libsolidity/SolidityNatspecJSON.cpp
@@ -27,6 +27,8 @@
 #include <liblangutil/Exceptions.h>
 #include <libdevcore/Exceptions.h>
 
+using namespace langutil;
+
 namespace dev
 {
 namespace solidity
diff --git a/test/libsolidity/SolidityParser.cpp b/test/libsolidity/SolidityParser.cpp
index cf5461ba..3534dd5b 100644
--- a/test/libsolidity/SolidityParser.cpp
+++ b/test/libsolidity/SolidityParser.cpp
@@ -29,6 +29,7 @@
 #include <test/libsolidity/ErrorCheck.h>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {
diff --git a/test/libsolidity/SolidityScanner.cpp b/test/libsolidity/SolidityScanner.cpp
index 53ec0a4c..2d164ae3 100644
--- a/test/libsolidity/SolidityScanner.cpp
+++ b/test/libsolidity/SolidityScanner.cpp
@@ -24,6 +24,7 @@
 #include <boost/test/unit_test.hpp>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {
diff --git a/test/libsolidity/SolidityTypes.cpp b/test/libsolidity/SolidityTypes.cpp
index 6f9d4ce8..c839afd4 100644
--- a/test/libsolidity/SolidityTypes.cpp
+++ b/test/libsolidity/SolidityTypes.cpp
@@ -26,6 +26,7 @@
 #include <boost/test/unit_test.hpp>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {
diff --git a/test/libsolidity/SyntaxTest.cpp b/test/libsolidity/SyntaxTest.cpp
index 91d1681f..45d32b55 100644
--- a/test/libsolidity/SyntaxTest.cpp
+++ b/test/libsolidity/SyntaxTest.cpp
@@ -25,6 +25,7 @@
 #include <stdexcept>
 
 using namespace dev;
+using namespace langutil;
 using namespace solidity;
 using namespace dev::solidity::test;
 using namespace dev::solidity::test::formatting;
diff --git a/test/libsolidity/ViewPureChecker.cpp b/test/libsolidity/ViewPureChecker.cpp
index b7ea1efc..64e52604 100644
--- a/test/libsolidity/ViewPureChecker.cpp
+++ b/test/libsolidity/ViewPureChecker.cpp
@@ -28,6 +28,7 @@
 #include <tuple>
 
 using namespace std;
+using namespace langutil;
 
 namespace dev
 {