#99, add a service allowing to select a compiler

src/ce_ceproject.pas

@@ -788,7 +788,7 @@ begin
   fCompilProc.OnTerminate:= @compProcTerminated;
   getOpts(fCompilProc.Parameters);
   //getUpToDateObjects(fCompilProc.Parameters);
-  if CEProjectCompiler = gdc then
+  if CEProjectCompiler = TCECompiler.gdc then
     fCompilProc.Parameters.Add('-gdc=gdc');
   fCompilProc.Execute;
 end;
@@ -1082,20 +1082,20 @@ end;
 procedure setCEProjectCompiler(value: TCECompiler);
 begin
   case value of
-    dmd: CEProjectCompilerFilename := exeFullName('dmd' + exeExt);
-    gdc: CEProjectCompilerFilename := exeFullName('gdmd' + exeExt);
-    ldc: CEProjectCompilerFilename := exeFullName('ldmd2' + exeExt);
+    TCECompiler.dmd: CEProjectCompilerFilename := exeFullName('dmd' + exeExt);
+    TCECompiler.gdc: CEProjectCompilerFilename := exeFullName('gdmd' + exeExt);
+    TCECompiler.ldc: CEProjectCompilerFilename := exeFullName('ldmd2' + exeExt);
   end;
   if (not CEProjectCompilerFilename.fileExists)
     or CEProjectCompilerFilename.isEmpty then
   begin
-    value := dmd;
+    value := TCECompiler.dmd;
     CEProjectCompilerFilename:= 'dmd' + exeExt;
   end;
   CEProjectCompiler := value;
 end;
 
 initialization
-  setCEProjectCompiler(dmd);
+  setCEProjectCompiler(TCECompiler.dmd);
   RegisterClasses([TCENativeProject]);
 end.

src/ce_dmdwrap.pas

@@ -258,7 +258,7 @@ type
     destructor destroy; override;
     procedure assign(source: TPersistent); override;
     procedure getOpts(list: TStrings; base: TOptsGroup = nil); override;
-    procedure getCompilerSpecificOpts(list: TStrings; base: TOptsGroup = nil; compiler: TCECompiler = dmd);
+    procedure getCompilerSpecificOpts(list: TStrings; base: TOptsGroup = nil; compiler: TCECompiler = TCECompiler.dmd);
   end;
 
   (*****************************************************************************
@@ -1209,7 +1209,7 @@ begin
 end;
 
 procedure TOtherOpts.getCompilerSpecificOpts(list: TStrings; base:
-    TOptsGroup = nil; compiler: TCECompiler = dmd);
+    TOptsGroup = nil; compiler: TCECompiler = TCECompiler.dmd);
 var
   i: integer;
   str: string;

src/ce_dubproject.pas

@@ -157,7 +157,7 @@ type
   procedure setDubCompiler(value: TCECompiler);
 
 var
-  DubCompiler: TCECompiler = dmd;
+  DubCompiler: TCECompiler = TCECompiler.dmd;
   DubCompilerFilename: string = 'dmd';
 
 const
@@ -1219,13 +1219,13 @@ end;
 procedure setDubCompiler(value: TCECompiler);
 begin
   case value of
-    dmd: DubCompilerFilename := exeFullName('dmd' + exeExt);
-    gdc: DubCompilerFilename := exeFullName('gdc' + exeExt);
-    ldc: DubCompilerFilename := exeFullName('ldc2' + exeExt);
+    TCECompiler.dmd: DubCompilerFilename := exeFullName('dmd' + exeExt);
+    TCECompiler.gdc: DubCompilerFilename := exeFullName('gdc' + exeExt);
+    TCECompiler.ldc: DubCompilerFilename := exeFullName('ldc2' + exeExt);
   end;
   if (not DubCompilerFilename.fileExists) or DubCompilerFilename.isEmpty then
   begin
-    value := dmd;
+    value := TCECompiler.dmd;
     DubCompilerFilename:= 'dmd' + exeExt;
   end;
   DubCompiler := value;
@@ -1233,7 +1233,7 @@ end;
 {$ENDREGION}
 
 initialization
-  setDubCompiler(dmd);
+  setDubCompiler(TCECompiler.dmd);
   dubBuildOptions:= TCEDubBuildOptions.create(nil);
 finalization
   dubBuildOptions.free;

src/ce_interfaces.pas

@@ -386,6 +386,21 @@ type
   end;
 
 
+  DCompiler = (dmd, gdc, gdmd, ldc, ldmd, user1, user2);
+
+  (**
+   * Single service provided by the options editor.
+   *)
+  ICECompilerSelector = interface(ICESingleService)
+    // Indicates wether a D compiler is usable.
+    function isCompilerValid(value: DCompiler): boolean;
+    // Returns a D compiler exe filename.
+    function getCompilerPath(value: DCompiler): string;
+    // Fills value with the runtime/phobos import paths for a particular D compiler.
+    procedure getCompilerImports(value: DCompiler; paths: TStrings);
+  end;
+
+
   TDCDCompletionKind = (
     dckClass,
     dckInterface,
@@ -445,6 +460,7 @@ type
   function getProjectGroup: ICEProjectGroup;
   function getExplorer: ICEExplorer;
   function getOptionsEditor: ICEOptionsEditor;
+  function getCompilerSelector: ICECompilerSelector;
 
 implementation
 
@@ -589,6 +605,11 @@ function getOptionsEditor: ICEOptionsEditor;
 begin
   exit(EntitiesConnector.getSingleService('ICEOptionsEditor') as ICEOptionsEditor);
 end;
+
+function getCompilerSelector: ICECompilerSelector;
+begin
+  exit(EntitiesConnector.getSingleService('ICECompilerSelector') as ICECompilerSelector);
+end;
 {$ENDREGION}
 
 end.

src/ce_main.pas

@@ -693,10 +693,10 @@ end;
 procedure TCERunnableOptions.setCompiler(value: TCECompiler);
 begin
   case value of
-    ldc: if not exeInSysPath('ldmd2' + exeExt) then
-      value := dmd;
-    gdc: if not exeInSysPath('gdmd' + exeExt) then
-      value := dmd;
+    TCECompiler.ldc: if not exeInSysPath('ldmd2' + exeExt) then
+      value := TCECompiler.dmd;
+    TCECompiler.gdc: if not exeInSysPath('gdmd' + exeExt) then
+      value := TCECompiler.dmd;
   end;
   fCompiler :=value;
 end;
@@ -2604,9 +2604,9 @@ begin
   	dmdproc.OnTerminate:= @asyncprocTerminate;
     dmdproc.Options := [poUsePipes, poStderrToOutPut];
     case fRunnablesOptions.compiler of
-      dmd: dmdProc.Executable :='dmd'   + exeExt;
-      ldc: dmdProc.Executable :='ldmd2' + exeExt;
-      gdc: dmdProc.Executable :='gdmd'  + exeExt;
+      TCECompiler.dmd: dmdProc.Executable :='dmd'   + exeExt;
+      TCECompiler.ldc: dmdProc.Executable :='ldmd2' + exeExt;
+      TCECompiler.gdc: dmdProc.Executable :='gdmd'  + exeExt;
     end;
     dmdproc.Parameters.Add(fDoc.fileName);
     if not asObj then
@@ -2884,8 +2884,8 @@ begin
     {$ENDIF}
   end;
   case fRunnablesOptions.compiler of
-    gdc: fRunProc.Parameters.add('--compiler=gdc');
-    ldc: fRunProc.Parameters.add('--compiler=ldc2');
+    TCECompiler.gdc: fRunProc.Parameters.add('--compiler=gdc');
+    TCECompiler.ldc: fRunProc.Parameters.add('--compiler=ldc2');
   end;
   fRunProc.execute;
 end;