Refactor compiler option representations. (#3598)

* Refactor compiler option representation.

* Fix binary compatibility.

* Add a test for specifying compiler options at link time.

* Fix binary compatibility.

* Fix binary compatibility.

* Fix backward compatibility on matrix layout.

* Fix.

* Fix.

* Fix.

* Fix gfx.

* Fix gfx.

* Fix dynamic dispatch.

* Polish.

2 files changed, 48 insertions, 7 deletions

diff --git a/source/compiler-core/slang-command-line-args.cpp b/source/compiler-core/slang-command-line-args.cpp
index 813d2dd26..b69836030 100644
--- a/source/compiler-core/slang-command-line-args.cpp
+++ b/source/compiler-core/slang-command-line-args.cpp
@@ -2,7 +2,8 @@
 
 #include "../core/slang-process-util.h"
 #include "../core/slang-string-escape-util.h"
-
+#include "../core/slang-string-util.h"
+#include "../core/slang-type-text-util.h"
 #include "slang-core-diagnostics.h"
 
 namespace Slang {
@@ -63,6 +64,27 @@ bool CommandLineArgs::hasArgs(const char*const* args, Index count) const
     return true;
 }
 
+String CommandLineArgs::serialize()
+{
+    StringBuilder sb;
+    for (auto& arg : m_args)
+        sb << arg.value << "\n";
+    return sb.produceString();
+}
+
+void CommandLineArgs::deserialize(String content)
+{
+    List<UnownedStringSlice> slices;
+    StringUtil::split(content.getUnownedSlice(), '\n', slices);
+    for (auto arg : slices)
+    {
+        Arg v;
+        v.value = arg;
+        v.loc = SourceLoc();
+        m_args.add(v);
+    }
+}
+
 /* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
                          CommandLineReader
@@ -118,6 +140,24 @@ SlangResult CommandLineReader::expectArg(CommandLineArg& outArg)
 
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
 
+DownstreamArgs::DownstreamArgs(CommandLineContext* context)
+    : m_context(context)
+{
+    // Add all of the possible names we allow for downstream tools
+    {
+        for (Index i = SLANG_PASS_THROUGH_NONE + 1; i < SLANG_PASS_THROUGH_COUNT_OF; ++i)
+        {
+            addName(TypeTextUtil::getPassThroughName(SlangPassThrough(i)));
+        }
+
+        // Generic downstream tool
+        addName("downstream");
+        // Generic downstream linker
+        addName("linker");
+    }
+}
+
+
 Index DownstreamArgs::addName(const String& name)
 {
     Index index = findName(name);
diff --git a/source/compiler-core/slang-command-line-args.h b/source/compiler-core/slang-command-line-args.h
index b2bd48c61..0c11a3c46 100644
--- a/source/compiler-core/slang-command-line-args.h
+++ b/source/compiler-core/slang-command-line-args.h
@@ -69,6 +69,9 @@ struct CommandLineArgs
     //String m_executablePath;                ///< Can be optionally be set
     List<Arg> m_args;                       ///< The args
     RefPtr<CommandLineContext> m_context;   ///< The context, which mainly has source manager
+
+    String serialize();
+    void deserialize(String content);
 };
 
 struct CommandLineReader
@@ -155,18 +158,16 @@ struct DownstreamArgs
     CommandLineContext* getContext() const { return m_context; }
 
         /// Ctor
-    DownstreamArgs(CommandLineContext* context):
-        m_context(context)
-    {
-    }
+    DownstreamArgs(CommandLineContext* context);
+
         /// Default ctor - for convenience, should really use with context normally
     DownstreamArgs() {}
 
+    List<Entry> m_entries;                  ///< All of the entries
+
 protected:
     Index _findOrAddName(SourceLoc loc, const UnownedStringSlice& name, Flags flags, DiagnosticSink* sink);
 
-    List<Entry> m_entries;                  ///< All of the entries
-
     RefPtr<CommandLineContext> m_context;   ///< The context that is being used (primarily for loc tracking) across all entries/args
 };