Add error IDs to console output

test/cmdlineTests.sh

@@ -121,6 +121,7 @@ function test_solc_behaviour()
         rm "$stdout_path.bak"
     else
         sed -i.bak -e '/^Warning: This is a pre-release compiler version, please do not use it in production./d' "$stderr_path"
+        sed -i.bak -e '/^Warning (3805): This is a pre-release compiler version, please do not use it in production./d' "$stderr_path"
         sed -i.bak -e 's/\(^[ ]*auxdata: \)0x[0-9a-f]*$/\1AUXDATA REMOVED/' "$stdout_path"
         sed -i.bak -e 's/ Consider adding "pragma .*$//' "$stderr_path"
         # Remove trailing empty lines. Needs a line break to make OSX sed happy.

test/cmdlineTests/error_codes/args

@@ -0,0 +1 @@
+--error-codes

test/cmdlineTests/error_codes/err

@@ -0,0 +1,26 @@
+Error (4937): No visibility specified. Did you intend to add "public"?
+ --> error_codes/input.sol:4:5:
+  |
+4 |     function f() {
+  |     ^ (Relevant source part starts here and spans across multiple lines).
+
+Warning (3420): Source file does not specify required compiler version!
+--> error_codes/input.sol
+
+Error (4247): Expression has to be an lvalue.
+ --> error_codes/input.sol:5:9:
+  |
+5 |         2=0;
+  |         ^
+
+Error (7407): Type int_const 0 is not implicitly convertible to expected type int_const 2.
+ --> error_codes/input.sol:5:11:
+  |
+5 |         2=0;
+  |           ^
+
+Error (2614): Indexed expression has to be a type, mapping or array (is literal_string "")
+ --> error_codes/input.sol:6:9:
+  |
+6 |         ""[2];
+  |         ^^

test/cmdlineTests/error_codes/exit

@@ -0,0 +1 @@
+1

test/cmdlineTests/error_codes/input.sol

@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-3.0
+
+contract C {
+    function f() {
+        2=0;
+        ""[2];
+    }
+}

test/libsolidity/ASTJSONTest.cpp

@@ -134,7 +134,7 @@ TestCase::TestResult ASTJSONTest::run(ostream& _stream, string const& _linePrefi
 		c.analyze();
 	else
 	{
-		SourceReferenceFormatterHuman formatter(_stream, _formatted);
+		SourceReferenceFormatterHuman formatter(_stream, _formatted, false);
 		for (auto const& error: c.errors())
 			formatter.printErrorInformation(*error);
 		return TestResult::FatalError;

test/libsolidity/GasTest.cpp

@@ -118,7 +118,7 @@ TestCase::TestResult GasTest::run(ostream& _stream, string const& _linePrefix, b
 
 	if (!compiler().parseAndAnalyze() || !compiler().compile())
 	{
-		SourceReferenceFormatterHuman formatter(_stream, _formatted);
+		SourceReferenceFormatterHuman formatter(_stream, _formatted, false);
 		for (auto const& error: compiler().errors())
 			formatter.printErrorInformation(*error);
 		return TestResult::FatalError;