soltest.sh, EthOptions.cmake, and CODING_STYLE.md tweaks

solidity.sh:
  * introduce SOLIDITY_BUILD_DIR env var for soltest.sh,
  * add --help output

EthOptions.cmake: more complete configuration information

CODING_STYLE.md: note existence of .editorconfig
contributing.rst: note that tests are Boost C++ unit tests

CODING_STYLE.md

@@ -46,6 +46,8 @@ foo->bar(someLongVariableName,
 cout << "some very long string that contains completely irrelevant text that talks about this and that and contains the words \"lorem\" and \"ipsum\"" << endl;
 ```
 
+To set indentation and tab width settings uniformly, the repository contains an [EditorConfig](https://editorconfig.org/) [`.editorconfig`](https://github.com/ethereum/solidity/blob/develop/.editorconfig) file, which describes some of the styles used and which is recognized by many IDE's and editors.
+
 ## 1. Namespaces
 
 1. No `using namespace` declarations in header files.

Changelog.md

@@ -30,10 +30,9 @@ Bugfixes:
    libraries. This affected code generation.
  * Yul: Properly register functions and disallow shadowing between function variables and variables in the outside scope.
 
-
 Build System:
  * Soltest: Add commandline option `--test` / `-t` to isoltest which takes a string that allows filtering unit tests.
-
+ * soltest.sh: allow environment variable ``SOLIDITY_BUILD_DIR`` to specify build folder and add ``--help`` usage.
 
 ### 0.5.7 (2019-03-26)
 

cmake/EthOptions.cmake

@@ -1,3 +1,6 @@
+# CMAKE macros to set default CMAKE options and to show the
+# resulting configuration.
+
 macro(configure_project)
 	set(NAME ${PROJECT_NAME})
 
@@ -22,7 +25,7 @@ endmacro()
 macro(print_config NAME)
 	message("")
 	message("------------------------------------------------------------------------")
-	message("-- Configuring ${NAME}")
+	message("-- Configuring ${NAME} ${PROJECT_VERSION}")
 	message("------------------------------------------------------------------------")
 	message("--                  CMake Version                            ${CMAKE_VERSION}")
 	message("-- CMAKE_BUILD_TYPE Build type                               ${CMAKE_BUILD_TYPE}")
@@ -36,6 +39,9 @@ endif()
 if (SUPPORT_TOOLS)
 	message("-- TOOLS            Build tools                              ${TOOLS}")
 endif()
+	message("------------------------------------------------------------------ flags")
+	message("-- OSSFUZZ                                                   ${OSSFUZZ}")
+	message("-- LLL                                                       ${LLL}")
 	message("------------------------------------------------------------------------")
 	message("")
 endmacro()

docs/contributing.rst

@@ -74,12 +74,18 @@ The ``./scripts/tests.sh`` script executes most Solidity tests and
 runs ``aleth`` automatically if it is in the path. The script does not download it,
 so you need to install it first. Please read on for the details.
 
-Solidity includes different types of tests, most of them bundled into the `C++ Boost Test Framework <https://www.boost.org/doc/libs/1_69_0/libs/test/doc/html/index.html>`_ application ``soltest``.
+Solidity includes different types of tests, most of them bundled into the `Boost C++ Test Framework <https://www.boost.org/doc/libs/1_69_0/libs/test/doc/html/index.html>`_ application ``soltest``.
 Some of them require the ``aleth`` client in testing mode, others require ``libz3``.
 
 To run a basic set of tests that require neither ``aleth`` nor ``libz3``, run
-``./scripts/soltest.sh --no-ipc --no-smt``. This script runs ``./build/test/soltest``
-internally. ``./build/test/soltest --help`` has extensive help on all of the options available. See especially `run_test <https://www.boost.org/doc/libs/1_69_0/libs/test/doc/html/boost_test/utf_reference/rt_param_reference/run_test.html>`_ to list specific unit tests, and `report-level <https://www.boost.org/doc/libs/1_69_0/libs/test/doc/html/boost_test/utf_reference/rt_param_reference/report_level.html>`_ give a more detailed report.
+``./scripts/soltest.sh --no-ipc --no-smt``.
+
+``./build/test/soltest --help`` has extensive help on all of the options available.
+See especially:
+
+- `show_progress (-p) <https://www.boost.org/doc/libs/1_69_0/libs/test/doc/html/boost_test/utf_reference/rt_param_reference/show_progress.html>`_ to show test completion,
+- `run_test (-t) <https://www.boost.org/doc/libs/1_69_0/libs/test/doc/html/boost_test/utf_reference/rt_param_reference/run_test.html>`_ to run specific tests cases, and
+- `report-level (-r) <https://www.boost.org/doc/libs/1_69_0/libs/test/doc/html/boost_test/utf_reference/rt_param_reference/report_level.html>`_ give a more detailed report.
 
 .. note ::
 

scripts/soltest.sh

@@ -1,5 +1,4 @@
 #!/usr/bin/env bash
-
 set -e
 
 REPO_ROOT="$(dirname "$0")"/..
@@ -7,6 +6,27 @@ USE_DEBUGGER=0
 DEBUGGER="gdb --args"
 BOOST_OPTIONS=
 SOLTEST_OPTIONS=
+SOLIDITY_BUILD_DIR=${SOLIDITY_BUILD_DIR:-build}
+
+usage() {
+    echo 2>&1 "
+Usage: $0 [options] [soltest-options]
+Runs BOOST C++ unit test program, soltest.
+
+Options:
+  --debug                  soltest invocation prefaced with: \"$DEBUGGER\"
+  --debugger *dbg-cmd*     soltest prefaced with your own debugger command.
+  --run_test | -t  *name*  filters test unit(s) to include or exclude from test.
+                           This  option can be given several times.
+  --boost-options *x*      Set BOOST option *x*.
+  --show-progress | -p     Set BOOST option --show-progress.
+
+Important environment variables:
+
+SOLIDITY_BUILD_DIR: Sets directory under the repository root of where test/soltest should be found.
+           The default is \"${SOLIDITY_BUILD_DIR}\".
+"
+}
 
 while [ $# -gt 0 ]
 do
@@ -23,7 +43,11 @@ do
 			shift
 			BOOST_OPTIONS="${BOOST_OPTIONS} $1"
 			;;
-		-t)
+		--help)
+		        usage
+			exit 0
+			;;
+		--run_test | -t )
 			shift
 			BOOST_OPTIONS="${BOOST_OPTIONS} -t $1"
 			;;
@@ -40,4 +64,4 @@ if [ "$USE_DEBUGGER" -ne "0" ]; then
 	DEBUG_PREFIX=${DEBUGGER}
 fi
 
-exec ${DEBUG_PREFIX} ${REPO_ROOT}/build/test/soltest ${BOOST_OPTIONS} -- --testpath ${REPO_ROOT}/test ${SOLTEST_OPTIONS}
+exec ${DEBUG_PREFIX} ${REPO_ROOT}/${SOLIDITY_BUILD_DIR}/test/soltest ${BOOST_OPTIONS} -- --testpath ${REPO_ROOT}/test ${SOLTEST_OPTIONS}