From: Daniel Dunbar <daniel@zuster.org>
Date: Wed, 4 Mar 2009 21:05:23 +0000 (+0000)
Subject: Driver: Add Option flags.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0f9098e093089e935066729ea06bc86c23d9a432;p=clang

Driver: Add Option flags.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66067 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/Driver/Option.h b/include/clang/Driver/Option.h
index 47e249c57c..0c74f345f2 100644
--- a/include/clang/Driver/Option.h
+++ b/include/clang/Driver/Option.h
@@ -61,6 +61,23 @@ namespace driver {
     /// Option that this is an alias for, if any.
     const Option *Alias;
 
+    /// Unsupported options will not be rejected.
+    bool Unsupported : 1;
+
+    /// Treat this option like a linker input?
+    bool LinkerInput : 1;
+    
+    /// When rendering as an input, don't render the option.
+
+    // FIXME: We should ditch the render/renderAsInput distinction.
+    bool NoOptAsInput : 1;
+
+    /// Always render this option as separate form its value.
+    bool ForceSeparateRender : 1;
+    
+    /// Always render this option joined with its value.
+    bool ForceJoinedRender : 1;    
+
   protected:
     Option(OptionClass Kind, const char *Name, 
            const OptionGroup *Group, const Option *Alias);
@@ -72,6 +89,21 @@ namespace driver {
     const OptionGroup *getGroup() const { return Group; }
     const Option *getAlias() const { return Alias; }
 
+    bool isUnsupported() const { return Unsupported; }
+    void setUnsupported(bool Value) { Unsupported = Value; }
+
+    bool isLinkerInput() const { return LinkerInput; }
+    void setLinkerInput(bool Value) { LinkerInput = Value; }
+
+    bool isNoOptAsInput() const { return NoOptAsInput; }
+    void setNoOptAsInput(bool Value) { NoOptAsInput = Value; }
+
+    bool isForceSeparateRender() const { return ForceSeparateRender; }
+    void setForceSeparateRender(bool Value) { ForceSeparateRender = Value; }
+
+    bool isForceJoinedRender() const { return ForceJoinedRender; }
+    void setForceJoinedRender(bool Value) { ForceJoinedRender = Value; }
+
     /// getUnaliasedOption - Return the final option this option
     /// aliases (itself, if the option has no alias).
     const Option *getUnaliasedOption() const { 
diff --git a/lib/Driver/OptTable.cpp b/lib/Driver/OptTable.cpp
index 731334848a..335d7720bf 100644
--- a/lib/Driver/OptTable.cpp
+++ b/lib/Driver/OptTable.cpp
@@ -95,21 +95,14 @@ Option *OptTable::constructOption(options::ID id) const {
     Opt = new JoinedAndSeparateOption(info.Name, Group, Alias); break;
   }
 
-  // FIXME: Set flags.
   for (const char *s = info.Flags; *s; ++s) {
     switch (*s) {
-    default:
-      assert(0 && "Invalid option flag.");
-    case 'l':
-      break;
-    case 'i':
-      break;
-    case 'J':
-      break;
-    case 'S':
-      break;
-    case 'U':
-      break;
+    default: assert(0 && "Invalid option flag.");
+    case 'l': Opt->setLinkerInput(true); break;
+    case 'i': Opt->setNoOptAsInput(true); break;
+    case 'J': Opt->setForceJoinedRender(true); break;
+    case 'S': Opt->setForceSeparateRender(true); break;
+    case 'U': Opt->setUnsupported(true); break;
     }
   }
 
diff --git a/lib/Driver/Option.cpp b/lib/Driver/Option.cpp
index cf5c3eb0fa..368f004b60 100644
--- a/lib/Driver/Option.cpp
+++ b/lib/Driver/Option.cpp
@@ -15,7 +15,10 @@ using namespace clang::driver;
 
 Option::Option(OptionClass _Kind, const char *_Name,
                const OptionGroup *_Group, const Option *_Alias) 
-  : Kind(_Kind), Name(_Name), Group(_Group), Alias(_Alias) {
+  : Kind(_Kind), Name(_Name), Group(_Group), Alias(_Alias),
+    Unsupported(false), LinkerInput(false), NoOptAsInput(false),
+    ForceSeparateRender(false), ForceJoinedRender(false)
+{
 
   // Multi-level aliases are not supported, and alias options cannot
   // have groups. This just simplifies option tracking, it is not an