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, 9 insertions, 0 deletions

diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp
index caa50ad0e..65f12fe59 100644
--- a/source/slang/slang.cpp
+++ b/source/slang/slang.cpp
@@ -675,6 +675,15 @@ SLANG_API void spSetDumpIntermediates(
     REQ(request)->shouldDumpIntermediates = enable != 0;
 }
 
+SLANG_API void spSetLineDirectiveMode(
+    SlangCompileRequest*    request,
+    SlangLineDirectiveMode  mode)
+{
+    // TODO: validation
+
+    REQ(request)->lineDirectiveMode = Slang::LineDirectiveMode(mode);
+}
+
 
 SLANG_API void spSetCodeGenTarget(
         SlangCompileRequest*    request,