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runbench.d
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runbench.d
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module runbench;
import std.algorithm;
import std.array;
import std.conv;
import std.datetime;
import std.exception;
import std.file;
import std.format;
import std.process;
import std.path;
import std.random;
import std.regex;
import std.stdio;
import std.string;
import core.sys.posix.sys.wait;
void usage()
{
write("runbench [<test_regex>] [arguments to pass to test]\n"
"\n"
" test_regex: regex of test cases to run\n"
"\n"
" example: runbench pi 100\n"
"\n"
" relevant environment variables:\n"
" ARGS: arguments always passed to the compiler\n"
" RUN_ARGS: arguments always passed to the test\n"
" DMD: compiler to use, ex: ../src/dmd\n"
" CC: C++ compiler to use, ex: dmc, g++\n"
" OS: win32, win64, linux, freebsd, osx\n"
" RESULTS_DIR: base directory for test results\n"
" windows vs non-windows portability env vars:\n"
" DSEP: \\\\ or /\n"
" SEP: \\ or /\n"
" OBJ: .obj or .o\n"
" EXE: .exe or <null>\n");
}
struct TestArgs
{
bool compileSeparately;
string executeArgs;
string[] sources;
string[] cppSources;
string compileOutput;
string postScript;
string requiredArgs;
string requiredArgsForLink;
// reason for disabling the test (if empty, the test is not disabled)
string disabled_reason;
@property bool disabled() { return disabled_reason != ""; }
}
struct EnvData
{
string all_args;
string dmd;
string results_dir;
string sep;
string dsep;
string obj;
string exe;
string os;
string compiler;
string ccompiler;
string model;
string required_args;
string run_args;
}
bool findTestParameter(string file, string token, ref string result)
{
auto tokenStart = std.string.indexOf(file, token);
if (tokenStart == -1) return false;
auto lineEndR = std.string.indexOf(file[tokenStart .. $], "\r");
auto lineEndN = std.string.indexOf(file[tokenStart .. $], "\n");
auto lineEnd = lineEndR == -1 ?
(lineEndN == -1 ? file.length : lineEndN) :
(lineEndN == -1 ? lineEndR : min(lineEndR, lineEndN));
//writeln("found ", token, " in line: ", file.length, ", ", tokenStart, ", ", tokenStart+lineEnd);
//writeln("found ", token, " in line: '", file[tokenStart .. tokenStart+lineEnd], "'");
result = strip(file[tokenStart+token.length .. tokenStart+lineEnd]);
// skips the :, if present
if (result.length > 0 && result[0] == ':')
result = strip(result[1 .. $]);
//writeln("arg: '", result, "'");
string result2;
if (findTestParameter(file[tokenStart+lineEnd..$], token, result2))
result ~= " " ~ result2;
return true;
}
bool findOutputParameter(string file, string token, out string result, string sep)
{
bool found = false;
while (true)
{
auto istart = std.string.indexOf(file, token);
if (istart == -1)
break;
found = true;
// skips the :, if present
if (file[istart] == ':') ++istart;
enum embed_sep = "---";
auto n = std.string.indexOf(file[istart .. $], embed_sep);
enforce(n != -1, "invalid TEST_OUTPUT format");
istart += n + embed_sep.length;
while (file[istart] == '-') ++istart;
if (file[istart] == '\r') ++istart;
if (file[istart] == '\n') ++istart;
auto iend = std.string.indexOf(file[istart .. $], embed_sep);
enforce(iend != -1, "invalid TEST_OUTPUT format");
iend += istart;
result ~= file[istart .. iend];
while (file[iend] == '-') ++iend;
file = file[iend .. $];
}
if (found)
{
result = std.string.strip(result);
result = result.unifyNewLine().unifyDirSep(sep);
result = result ? result : ""; // keep non-null
}
return found;
}
void replaceResultsDir(ref string arguments, const ref EnvData envData)
{
// Bash would expand this automatically on Posix, but we need to manually
// perform the replacement for Windows compatibility.
arguments = replace(arguments, "${RESULTS_DIR}", envData.results_dir);
}
void gatherTestParameters(ref TestArgs testArgs, string input_dir, string input_file, const ref EnvData envData)
{
string input_path = buildPath(input_dir, input_file);
string file = cast(string)std.file.read(input_path);
findTestParameter(file, "REQUIRED_ARGS", testArgs.requiredArgs);
if(envData.required_args.length)
testArgs.requiredArgs ~= " " ~ envData.required_args;
replaceResultsDir(testArgs.requiredArgs, envData);
findTestParameter(file, "EXECUTE_ARGS", testArgs.executeArgs);
replaceResultsDir(testArgs.executeArgs, envData);
string extraSourcesStr;
findTestParameter(file, "EXTRA_SOURCES", extraSourcesStr);
testArgs.sources = [input_path];
// prepend input_dir to each extra source file
foreach(s; split(extraSourcesStr))
testArgs.sources ~= input_dir ~ "/" ~ s;
string extraCppSourcesStr;
findTestParameter(file, "EXTRA_CPP_SOURCES", extraCppSourcesStr);
testArgs.cppSources = [];
// prepend input_dir to each extra source file
foreach(s; split(extraCppSourcesStr))
testArgs.cppSources ~= s;
// swap / with $SEP
if (envData.sep && envData.sep != "/")
foreach (ref s; testArgs.sources)
s = replace(s, "/", to!string(envData.sep));
//writeln ("sources: ", testArgs.sources);
// COMPILE_SEPARATELY can take optional compiler switches when link .o files
testArgs.compileSeparately = findTestParameter(file, "COMPILE_SEPARATELY", testArgs.requiredArgsForLink);
findTestParameter(file, "DISABLED", testArgs.disabled_reason);
findOutputParameter(file, "TEST_OUTPUT", testArgs.compileOutput, envData.sep);
if (findTestParameter(file, "POST_SCRIPT", testArgs.postScript))
testArgs.postScript = replace(testArgs.postScript, "/", to!string(envData.sep));
}
string genTempFilename(string result_path)
{
auto a = appender!string();
a.put(result_path);
foreach (ref e; 0 .. 8)
{
formattedWrite(a, "%x", rndGen.front);
rndGen.popFront();
}
return a.data;
}
int system(string command)
{
import std.c.process;
if (command.empty) return std.c.process.system(null);
const commandz = toStringz(command);
auto status = std.c.process.system(commandz);
if (status == -1) return status;
version (Windows) status <<= 8;
return status;
}
version(Windows)
{
extern (D) bool WIFEXITED( int status ) { return ( status & 0x7F ) == 0; }
extern (D) int WEXITSTATUS( int status ) { return ( status & 0xFF00 ) >> 8; }
extern (D) int WTERMSIG( int status ) { return status & 0x7F; }
extern (D) bool WIFSIGNALED( int status )
{
return ( cast(byte) ( ( status & 0x7F ) + 1 ) >> 1 ) > 0;
}
}
void removeIfExists(in char[] filename)
{
if (std.file.exists(filename))
std.file.remove(filename);
}
string execute(ref File f, string command, bool expectpass, string result_path)
{
auto filename = genTempFilename(result_path);
scope(exit) removeIfExists(filename);
auto rc = system(command ~ " > " ~ filename ~ " 2>&1");
string output = readText(filename);
f.writeln(command);
f.write(output);
if (WIFSIGNALED(rc))
{
auto value = WTERMSIG(rc);
enforceEx!Error(0 == value, "caught signal: " ~ to!string(value));
}
else if (WIFEXITED(rc))
{
auto value = WEXITSTATUS(rc);
if (expectpass)
enforce(0 == value, "expected rc == 0, exited with rc == " ~ to!string(value));
else
enforce(1 == value, "expected rc == 1, but exited with rc == " ~ to!string(value));
}
return output;
}
string unifyNewLine(string str)
{
return std.regex.replace(str, regex(`\r\n|\r|\n`, "g"), "\n");
}
string unifyDirSep(string str, string sep)
{
return std.regex.replace(str, regex(`(?<=\w\w*)/(?=\w[\w/]*\.di?\b)`, "g"), sep);
}
unittest
{
assert(`fail_compilation/test.d(1) Error: dummy error message for 'test'`.unifyDirSep(`\`)
== `fail_compilation\test.d(1) Error: dummy error message for 'test'`);
assert(`fail_compilation/test.d(1) Error: at fail_compilation/test.d(2)`.unifyDirSep(`\`)
== `fail_compilation\test.d(1) Error: at fail_compilation\test.d(2)`);
assert(`fail_compilation/test.d(1) Error: at fail_compilation/imports/test.d(2)`.unifyDirSep(`\`)
== `fail_compilation\test.d(1) Error: at fail_compilation\imports\test.d(2)`);
assert(`fail_compilation/diag.d(2): Error: fail_compilation/imports/fail.d must be imported`.unifyDirSep(`\`)
== `fail_compilation\diag.d(2): Error: fail_compilation\imports\fail.d must be imported`);
}
int main(string[] args)
{
string pattern = r".*\.d";
if (args.length > 1)
{
if (args[1] == "-unittest")
return 0;
if (args[1].startsWith("-"))
{
usage();
return 1;
}
pattern = args[1];
}
// provide some sensible defaults
version(Windows) enum isWindows = true; else enum isWindows = false;
EnvData envData;
envData.results_dir = environment.get("RESULTS_DIR", "results");
envData.sep = environment.get("SEP", isWindows ? r"\" : "/");
envData.dsep = environment.get("DSEP", isWindows ? r"\\" : "/");
envData.obj = environment.get("OBJ", isWindows ? ".obj" : ".o");
envData.exe = environment.get("EXE", isWindows ? ".exe" : "");
envData.os = environment.get("OS", isWindows ? "win32" : "");
envData.dmd = replace(environment.get("DMD", "dmd"), "/", envData.sep);
envData.compiler = "dmd"; //should be replaced for other compilers
envData.ccompiler = environment.get("CC");
envData.model = environment.get("MODEL", envData.os == "win32" ? "32" : "64");
envData.required_args = environment.get("ARGS", "-O -release -inline");
envData.run_args = environment.get("RUN_ARGS", "");
if (envData.ccompiler.empty)
{
switch (envData.os)
{
case "win32": envData.ccompiler = "dmc"; break;
case "win64": envData.ccompiler = `\"Program Files (x86)"\"Microsoft Visual Studio 10.0"\VC\bin\amd64\cl.exe`; break;
default: envData.ccompiler = "g++"; break;
}
}
string[] sources;
auto re = regex(pattern, "g");
auto self = buildPath(".", "runbench.d");
foreach(DirEntry src; dirEntries(".", SpanMode.depth))
{
if (src.isFile && !match(src.name, re).empty &&
endsWith(src.name, ".d") && src.name != self)
{
sources ~= src.name;
}
}
int rc = 0;
string test_args = args.length > 2 ? join(args[2..$], " ") : "";
foreach(tst; sources)
if (auto res = runTest(envData, tst, test_args))
rc = res;
return rc;
}
int runTest(const ref EnvData envData, string tst, string test_args)
{
tst = tst.replace("/", envData.sep);
string test_name = tst.stripExtension;
string result_path = envData.results_dir ~ envData.sep;
string input_file = baseName(tst);
string input_dir = dirName(test_name);
string output_dir = result_path ~ input_dir;
string output_file = result_path ~ input_dir ~ envData.sep ~ input_file ~ ".out";
string test_app_dmd_base = output_dir ~ envData.sep ~ baseName(test_name) /*~ "_"*/;
if (!std.file.exists(output_dir))
std.file.mkdirRecurse(output_dir);
TestArgs testArgs;
gatherTestParameters(testArgs, input_dir, input_file, envData);
//prepare cpp extra sources
if (testArgs.cppSources.length)
{
switch (envData.compiler)
{
case "dmd":
if(envData.os != "win32" && envData.os != "win64")
testArgs.requiredArgs ~= " -L-lstdc++";
break;
case "ldc":
testArgs.requiredArgs ~= " -L-lstdc++";
break;
case "gdc":
testArgs.requiredArgs ~= "-Xlinker -lstdc++";
break;
default:
writeln("unknown compiler: "~envData.compiler);
return 1;
}
foreach (cur; testArgs.cppSources)
{
auto curSrc = input_dir ~ envData.sep ~"extra-files" ~ envData.sep ~ cur;
auto curObj = output_dir ~ envData.sep ~ cur ~ envData.obj;
string command = envData.ccompiler;
if (envData.compiler == "dmd")
{
if (envData.os == "win32")
{
command ~= " -c "~curSrc~" -o"~curObj;
}
else if (envData.os == "win64")
{
command ~= ` /c /nologo `~curSrc~` /Fo`~curObj;
}
else
{
command ~= " -m"~envData.model~" -c "~curSrc~" -o "~curObj;
}
}
else
{
command ~= " -m"~envData.model~" -c "~curSrc~" -o "~curObj;
}
auto rc = system(command);
if(rc)
{
writeln("failed to execute '"~command~"'");
return 1;
}
testArgs.sources ~= curObj;
}
}
writef(" . %-16s ", input_file);
fflush(core.stdc.stdio.stdout);
if (testArgs.disabled)
{
writefln("!!! [DISABLED: %s]", testArgs.disabled_reason);
return 0;
}
removeIfExists(output_file);
auto f = File(output_file, "a");
//foreach(i, c; combinations(testArgs.permuteArgs))
{
string c = "";
string test_app_dmd = test_app_dmd_base /*~ to!string(i)*/ ~ envData.exe;
try
{
string[] toCleanup;
auto thisRunName = genTempFilename(result_path);
auto fThisRun = File(thisRunName, "w");
scope(exit)
{
fThisRun.close();
f.write(readText(thisRunName));
f.writeln();
removeIfExists(thisRunName);
}
string compile_output;
if (!testArgs.compileSeparately)
{
string objfile = output_dir ~ envData.sep ~ baseName(test_name) /*~ "_" ~ to!string(i)*/ ~ envData.obj;
toCleanup ~= objfile;
string command = format("%s -m%s -I%s %s %s -od%s -of%s %s", envData.dmd, envData.model, input_dir,
testArgs.requiredArgs, c, output_dir,
test_app_dmd, join(testArgs.sources, " "));
version(Windows) command ~= " -map nul.map";
compile_output = execute(fThisRun, command, true, result_path);
}
else
{
foreach (filename; testArgs.sources)
{
string newo= result_path ~ replace(replace(filename, ".d", envData.obj), envData.sep~"imports"~envData.sep, envData.sep);
toCleanup ~= newo;
string command = format("%s -m%s -I%s %s %s -od%s -c %s", envData.dmd, envData.model, input_dir,
testArgs.requiredArgs, c, output_dir, filename);
compile_output ~= execute(fThisRun, command, true, result_path);
}
//if (testArgs.mode == TestMode.RUN)
{
// link .o's into an executable
string command = format("%s -m%s %s %s -od%s -of%s %s", envData.dmd, envData.model, envData.required_args,
testArgs.requiredArgsForLink, output_dir, test_app_dmd, join(toCleanup, " "));
version(Windows) command ~= " -map nul.map";
execute(fThisRun, command, true, result_path);
}
}
compile_output = std.regex.replace(compile_output, regex(`^DMD v2\.[0-9]+.* DEBUG$`, "m"), "");
compile_output = std.string.strip(compile_output);
compile_output = compile_output.unifyNewLine();
auto m = std.regex.match(compile_output, `Internal error: .*$`);
enforce(!m, m.hit);
if (testArgs.compileOutput !is null)
{
enforce(compile_output == testArgs.compileOutput,
"\nexpected:\n----\n"~testArgs.compileOutput~"\n----\nactual:\n----\n"~compile_output~"\n----\n");
}
//if (testArgs.mode == TestMode.RUN)
{
toCleanup ~= test_app_dmd;
version(Windows)
if (envData.model == "64")
{
toCleanup ~= test_app_dmd_base /*~ to!string(i)*/ ~ ".ilk";
toCleanup ~= test_app_dmd_base /*~ to!string(i)*/ ~ ".pdb";
}
string command = test_app_dmd;
if (!test_args.empty)
command ~= " " ~ test_args;
else if (!testArgs.executeArgs.empty)
command ~= " " ~ testArgs.executeArgs;
if (!envData.run_args.empty)
command ~= " " ~ envData.run_args;
removeIfExists("gcx.log");
StopWatch sw;
sw.start();
string output = execute(fThisRun, command, true, result_path);
sw.stop();
fThisRun.writeln("Execution took ", sw.peek().to!("seconds",double), " s");
bool inlog = false;
string search = "maxPoolMemory = ";
auto pos = output.indexOf(search);
if (pos < 0)
if (std.file.exists("gcx.log"))
{
output = cast(string) std.file.read("gcx.log");
output = output.unifyNewLine();
pos = output.indexOf("maxPoolMemory = ");
inlog = pos >= 0;
fThisRun.writeln(output);
}
string memtxt;
if (pos >= 0)
{
auto pos2 = output.indexOf('\n', pos);
if (pos2 < 0)
pos2 = output.length;
memtxt = strip(output[pos..pos2]);
if (inlog)
fThisRun.writeln(memtxt);
}
std.stdio.writef("%6.3f s", sw.peek().to!("seconds",double));
if (!memtxt.empty)
std.stdio.write(", ", memtxt);
std.stdio.writeln;
}
fThisRun.close();
if (!testArgs.postScript.empty)
{
f.write("Executing post-test script: ");
string prefix = "";
version (Windows) prefix = "bash ";
execute(f, prefix ~ testArgs.postScript ~ " " ~ thisRunName, true, result_path);
}
foreach (file; toCleanup) collectException(std.file.remove(file));
}
catch(Exception e)
{
// it failed but it was disabled, exit as if it was successful
if (testArgs.disabled)
return 0;
f.writeln();
f.writeln("==============================");
f.writeln("Test failed: ", e.msg);
f.close();
writeln("Test failed. The logged output:");
writeln(cast(string)std.file.read(output_file));
std.file.remove(output_file);
return 1;
}
}
// it was disabled but it passed! print an informational message
if (testArgs.disabled)
writefln(" !!! %-30s DISABLED but PASSES!", input_file);
return 0;
}