#253 - Interpret the process return code in a better way (posix)

src/ce_ceproject.pas

@@ -906,10 +906,10 @@ begin
   begin
     getprocInputHandler.removeProcess(TProcess(sender));
     SetCurrentDirUTF8(fRunnerOldCwd);
-    //
+
     if (proc.ExitStatus <> 0) then
-      fMsgs.message(format('error: the process (%s) has returned the code %d',
-        [proc.Executable, proc.ExitStatus]), self as ICECommonProject, amcProj, amkErr);
+      fMsgs.message(format('error: the process (%s) has returned the status %s',
+        [proc.Executable, prettyReturnStatus(proc)]), self as ICECommonProject, amcProj, amkErr);
   end;
 end;
 

src/ce_dubproject.pas

@@ -895,8 +895,12 @@ begin
     fMsgs.message(prjname + ' has been successfully compiled',
       self as ICECommonProject, amcProj, amkInf)
   else
+  begin
     fMsgs.message(prjname + ' has not been compiled',
       self as ICECommonProject, amcProj, amkWarn);
+    fMsgs.message(format('error: DUB has returned the status %s',
+      [prettyReturnStatus(fDubProc)]), self as ICECommonProject, amcProj, amkErr);
+  end;
   subjProjCompiled(fProjectSubject, self as ICECommonProject, fCompiled);
   SetCurrentDirUTF8(fPreCompilePath);
 end;

src/ce_main.pas

@@ -2800,8 +2800,8 @@ begin
   if inph.isNotNil then
     (inph as ICEProcInputHandler).removeProcess(proc);
   if (proc.ExitStatus <> 0) then
-    fMsgs.message(format('error: the process (%s) has returned the code %d',
-      [proc.Executable, proc.ExitStatus]), fDoc, amcEdit, amkErr);
+    fMsgs.message(format('error: the process (%s) has returned the status %s',
+      [proc.Executable, prettyReturnStatus(proc)]), fDoc, amcEdit, amkErr);
 end;
 
 procedure TCEMainForm.actSetRunnableSwExecute(Sender: TObject);
@@ -2972,8 +2972,8 @@ begin
         fDoc, amcEdit, amkInf);
     end
     else begin
-      fMsgs.message(format('error: the process (%s) has returned the code %d',
-        [dmdproc.Executable, dmdproc.ExitStatus]), fDoc, amcEdit, amkErr);
+      fMsgs.message(format('error: the process (%s) has returned the status %s',
+        [dmdproc.Executable, prettyReturnStatus(dmdproc)]), fDoc, amcEdit, amkErr);
       fMsgs.message(shortenPath(fDoc.fileName, 25) + ' has not been compiled',
         fDoc, amcEdit, amkErr);
     end;

src/ce_processes.pas

@@ -80,6 +80,8 @@ type
 
   procedure killProcess(var proc: TCEProcess);
 
+  function prettyReturnStatus(proc: TProcess): string;
+
 implementation
 
 procedure killProcess(var proc: TCEProcess);
@@ -92,6 +94,59 @@ begin
   proc := nil;
 end;
 
+function prettyReturnStatus(proc: TProcess): string;
+{$IFDEF UNIX}
+var
+  s: integer;
+{$ENDIF}
+begin
+  result := '';
+  {$IFDEF UNIX}
+  if proc.ExitStatus and $80 > 0 then
+  begin
+    s := proc.ExitStatus - 128;
+    if s > 0 then case s of
+      1: result := '1 (SIGHUP)';
+      2: result := '2 (SIGINT)';
+      3: result := '3 (SIGQUIT)';
+      4: result := '4 (SIGILL)';
+      5: result := '4 (SIGTRAP)';
+      6: result := '6 (SIGABRT)';
+      7: result := '7 (SIGEMT)';
+      8: result := '8 (SIGFPE)';
+      9: result := '9 (SIGKILL)';
+      10: result := '10 (SIGBUS)';
+      11: result := '11 (SIGSEGV)';
+      12: result := '12 (SIGSYS)';
+      13: result := '13 (SIGPIPE)';
+      14: result := '14 (SIGALRM)';
+      15: result := '15 (SIGTERM)';
+      16: result := '16 (SIGUSR1)';
+      17: result := '17 (SIGUSR2)';
+      18: result := '18 (SIGCHLD)';
+      19: result := '19 (SIGPWR)';
+      20: result := '20 (SIGWINCH)';
+      21: result := '21 (SIGURG)';
+      22: result := '22 (SIGPOLL)';
+      23: result := '23 (SIGSTOP)';
+      24: result := '24 (SIGTSTP)';
+      25: result := '25 (SIGCONT)';
+      26: result := '26 (SIGTTIN)';
+      27: result := '27 (SIGTTOU)';
+      28: result := '28 (SIGVTALRM)';
+      29: result := '29 (SIGPROF)';
+      30: result := '30 (SIGXCPU)';
+      31: result := '31 (SIGXFSZ)';
+      32: result := '32 (SIGWAITING)';
+      33: result := '33 (SIGLWP)';
+      34: result := '34 (SIGAIO)';
+    end;
+  end;
+  {$ENDIF}
+  if result = '' then
+    result := intToStr(proc.ExitStatus);
+end;
+
 constructor TCEProcess.create(aOwner: TComponent);
 begin
   inherited;

src/ce_tools.pas

@@ -261,10 +261,21 @@ begin
       lst.Free;
     end;
   end;
-  if (not fProcess.Running) and fNextToolAlias.isNotEmpty then
+  if (not fProcess.Running) then
   begin
-    nxt := fToolItems.findTool(fNextToolAlias);
-    if nxt.isNotNil then nxt.execute(self);
+    if fProcess.ExitStatus > 0 then
+    begin
+      fMsgs.message(format('error: the tool (%s) has returned the status %s',
+        [fProcess.Executable, prettyReturnStatus(fProcess)]), nil, amcMisc, amkErr);
+      ce_processes.killProcess(fProcess);
+      exit;
+    end;
+    if fNextToolAlias.isNotEmpty then
+    begin
+      nxt := fToolItems.findTool(fNextToolAlias);
+      if nxt.isNotNil then
+        nxt.execute(self);
+    end;
   end;
 end;
 {$ENDREGION --------------------------------------------------------------------}
@@ -277,15 +288,16 @@ begin
   inherited;
   fTools := TCEToolItems.Create(TCEToolItem);
   fname := getCoeditDocPath + toolsFname;
-  if fname.fileExists then loadFromFile(fname);
-  //
+  if fname.fileExists then
+    loadFromFile(fname);
+
   EntitiesConnector.addObserver(self);
 end;
 
 destructor TCETools.destroy;
 begin
   EntitiesConnector.removeObserver(self);
-  //
+
   ForceDirectoriesUTF8(getCoeditDocPath);
   saveToFile(getCoeditDocPath + toolsFname);
   fTools.Free;