public void WithoutError()
{
const string output = "";
var messages = RustcMessageJsonParser.Parse(output).ToList();
Assert.AreEqual(0, messages.Count);
}
public void FileNotFound()
{
const string output = "{\"message\":\"couldn't read \\\"main2.rs\\\": file" +
" not found. (os error 2)\",\"code\":null,\"level\":\"error" +
"\",\"spans\":[],\"children\":[],\"rendered\":null}\n";
var messages = RustcMessageJsonParser.Parse(output).ToList();
Assert.AreEqual(1, messages.Count);
Assert.AreEqual(RustcMessageType.Error, messages[0].GetLevelAsEnum());
}
public void NoMain()
{
const string output = "{\"message\":\"main function not found\",\"code\":null" +
",\"level\":\"error\",\"spans\":[],\"children\":[],\"rendered\":null" +
"}\n{\"message\":\"aborting due to previous error\",\"code\":null,\"level" +
"\":\"error\",\"spans\":[],\"children\":[],\"rendered\":null}\n";
var messages = RustcMessageJsonParser.Parse(output).ToList();
Assert.AreEqual(2, messages.Count);
}
public void WithWarning()
{
const string output = "{\"message\":\"unused variable: `x`, #[warn" +
"(unused_variables)] on by default\",\"code\":null,\"level\":\"war" +
"ning\",\"spans\":[{\"file_name\":\"main.rs\",\"byte_start\":498,\"by" +
"te_end\":499,\"line_start\":12,\"line_end\":12,\"column_start\":9,\"c" +
"olumn_end\":10,\"is_primary\":true,\"text\":[{\"text\":\" let x " +
"= 42;\\r\",\"highlight_start\":9,\"highlight_end\":10}],\"label\":nu" +
"ll,\"suggested_replacement\":null,\"expansion\":null}],\"chil" +
"dren\":[],\"rendered\":null}\n";
var messages = RustcMessageJsonParser.Parse(output).ToList();
Assert.AreEqual(1, messages.Count);
Assert.AreEqual(RustcMessageType.Warning, messages[0].GetLevelAsEnum());
var span = messages[0].GetPrimarySpan();
Assert.NotNull(span);
Assert.True(span.is_primary);
}
private bool ExecuteInner()
{
var useJsonErrorFormat = rustcVersion.Major >= 1 && rustcVersion.Minor >= 12;
StringBuilder sb = new StringBuilder();
if (ConfigFlags.Length > 0)
{
sb.AppendFormat(" --cfg {0}", String.Join(",", ConfigFlags));
}
if (AdditionalLibPaths.Length > 0)
{
sb.AppendFormat(" -L {0}", String.Join(",", AdditionalLibPaths));
}
if (CrateType.Length > 0)
{
sb.AppendFormat(" --crate-type {0}", String.Join(",", CrateType));
}
if (Emit.Length > 0)
{
sb.AppendFormat(" --emit {0}", String.Join(",", Emit));
}
if (!String.IsNullOrWhiteSpace(CrateName))
{
sb.AppendFormat(" --crate-name {0}", CrateName);
}
if (DebugInfo)
{
sb.AppendFormat(" -g");
}
if (OutputFile != null)
{
sb.AppendFormat(" -o {0}", OutputFile);
}
if (optimizationLevel.HasValue)
{
sb.AppendFormat(" -C opt-level={0}", Shared.OptimizationLevelExtension.Parse(OptimizationLevel.ToString()).ToBuildString());
}
if (OutputDirectory != null)
{
sb.AppendFormat(" --out-dir {0}", OutputDirectory);
}
if (test.HasValue && test.Value)
{
sb.Append(" --test");
}
if (TargetTriple != null && !String.Equals(TargetTriple, Shared.Environment.DefaultTarget, StringComparison.OrdinalIgnoreCase))
{
sb.AppendFormat(" --target {0}", TargetTriple);
}
if (LintsAsWarnings.Length > 0)
{
sb.AppendFormat(" -W {0}", String.Join(",", LintsAsWarnings));
}
if (LintsAsAllowed.Length > 0)
{
sb.AppendFormat(" -A {0}", String.Join(",", LintsAsAllowed));
}
if (LintsAsDenied.Length > 0)
{
sb.AppendFormat(" -D {0}", String.Join(",", LintsAsDenied));
}
if (LintsAsForbidden.Length > 0)
{
sb.AppendFormat(" -F {0}", String.Join(",", LintsAsForbidden));
}
if (lto.HasValue && lto.Value)
{
sb.AppendFormat(" -C lto");
}
if (CodegenOptions != null)
{
sb.AppendFormat(" -C {0}", CodegenOptions);
}
if (useJsonErrorFormat)
{
sb.Append(" --error-format=json");
}
sb.AppendFormat(" {0}", Input);
var process = CreateProcess(sb.ToString());
Log.LogCommandLine(String.Join(" ", process.StartInfo.FileName, process.StartInfo.Arguments));
try
{
StringBuilder error = new StringBuilder();
using (AutoResetEvent errorWaitHandle = new AutoResetEvent(false))
{
process.ErrorDataReceived += (sender, e) =>
{
if (e.Data == null)
{
errorWaitHandle.Set();
}
else
{
error.AppendLine(e.Data);
}
};
process.Start();
process.BeginErrorReadLine();
process.WaitForExit();
errorWaitHandle.WaitOne();
}
string errorOutput = error.ToString();
// We found some warning or errors in the output, print them out
IEnumerable <RustcMessageHuman> messagesHuman = null;
IEnumerable <RustcMessageJson> messageJson = null;
bool haveAnyMessages = false;
if (useJsonErrorFormat)
{
messageJson = RustcMessageJsonParser.Parse(errorOutput);
foreach (var msg in messageJson)
{
LogRustcMessage(msg, WorkingDirectory, Log);
haveAnyMessages = true;
}
}
else
{
messagesHuman = RustcMessageHumanParser.Parse(errorOutput);
foreach (var msg in messagesHuman)
{
LogRustcMessage(msg);
haveAnyMessages = true;
}
}
// rustc failed but we couldn't sniff anything from stderr
// this could be an internal compiler error or a missing main() function (there are probably more errors without spans)
if (process.ExitCode != 0 && !haveAnyMessages)
{
// FIXME: This automatically sets the file to VisualRust.Rust.targets. Is there a way to set no file instead?
this.Log.LogError(errorOutput);
return(false);
}
return(process.ExitCode == 0);
}
catch (Exception ex)
{
Log.LogErrorFromException(ex, true);
return(false);
}
}