Add an API option to control emission of `#line` directives

- API users can use this to get "clean" output to aid with debugging Slang issues

- Also changes the prefix on intermediate files that Slang dumps, to make them easier to ignore with a regexp

1 files changed, 11 insertions, 0 deletions

diff --git a/source/slang/compiler.h b/source/slang/compiler.h
index a7d104b5f..09797664f 100644
--- a/source/slang/compiler.h
+++ b/source/slang/compiler.h
@@ -48,6 +48,14 @@ namespace Slang
         ReflectionJSON      = SLANG_REFLECTION_JSON,
     };
 
+    enum class LineDirectiveMode : SlangLineDirectiveMode
+    {
+        Default     = SLANG_LINE_DIRECTIVE_MODE_DEFAULT,
+        None        = SLANG_LINE_DIRECTIVE_MODE_NONE,
+        Standard    = SLANG_LINE_DIRECTIVE_MODE_STANDARD,
+        GLSL        = SLANG_LINE_DIRECTIVE_MODE_GLSL,
+    };
+
     enum class ResultFormat
     {
         None,
@@ -210,6 +218,9 @@ namespace Slang
         // Should we dump intermediate results along the way, for debugging?
         bool shouldDumpIntermediates = false;
 
+        // How should `#line` directives be emitted (if at all)?
+        LineDirectiveMode lineDirectiveMode = LineDirectiveMode::Default;
+
         // Output stuff
         DiagnosticSink mSink;
         String mDiagnosticOutput;