Add an option to disable source map in obfuscation (#4260)

Add option "-disable-source-map" to disable the source map in obfuscation.

3 files changed, 12 insertions, 5 deletions

diff --git a/source/slang/slang-compiler-options.h b/source/slang/slang-compiler-options.h
index 221d0189f..e1ce21789 100644
--- a/source/slang/slang-compiler-options.h
+++ b/source/slang/slang-compiler-options.h
@@ -371,6 +371,11 @@ namespace Slang
             return !getBoolOption(CompilerOptionName::DisableNonEssentialValidations);
         }
 
+        bool shouldHaveSourceMap()
+        {
+            return !getBoolOption(CompilerOptionName::DisableSourceMap);
+        }
+
         FloatingPointMode getFloatingPointMode()
         {
             return getEnumOption<FloatingPointMode>(CompilerOptionName::FloatingPointMode);
diff --git a/source/slang/slang-lower-to-ir.cpp b/source/slang/slang-lower-to-ir.cpp
index 403e2a921..5c4196839 100644
--- a/source/slang/slang-lower-to-ir.cpp
+++ b/source/slang/slang-lower-to-ir.cpp
@@ -10984,13 +10984,13 @@ RefPtr<IRModule> generateIRForTranslationUnit(
         //
         eliminateDeadCode(module, dceOptions);
 
+        if (stripOptions.shouldStripNameHints && linkage->m_optionSet.shouldHaveSourceMap())
+        {
+            // The obfuscated source map is stored on the module
+            obfuscateModuleLocs(module, compileRequest->getSourceManager());
+        }
     }
 
-    if (linkage->m_optionSet.shouldObfuscateCode())
-    {
-        // The obfuscated source map is stored on the module
-        obfuscateModuleLocs(module, compileRequest->getSourceManager());
-    }
 
     // TODO: consider doing some more aggressive optimizations
     // (in particular specialization of generics) here, so
diff --git a/source/slang/slang-options.cpp b/source/slang/slang-options.cpp
index dcc0f521d..a51ea01fe 100644
--- a/source/slang/slang-options.cpp
+++ b/source/slang/slang-options.cpp
@@ -292,6 +292,7 @@ void initCommandOptions(CommandOptions& options)
         { OptionKind::IgnoreCapabilities,"-ignore-capabilities", nullptr, "Do not warn or error if capabilities are violated"},
         { OptionKind::MinimumSlangOptimization, "-minimum-slang-optimization", nullptr, "Perform minimum code optimization in Slang to favor compilation time."},
         { OptionKind::DisableNonEssentialValidations, "-disable-non-essential-validations", nullptr, "Disable non-essential IR validations such as use of uninitialized variables."},
+        { OptionKind::DisableSourceMap, "-disable-source-map", nullptr, "Disable source mapping in the Obfuscation."},
         { OptionKind::ModuleName,     "-module-name", "-module-name <name>", 
         "Set the module name to use when compiling multiple .slang source files into a single module."},
         { OptionKind::Output, "-o", "-o <path>", 
@@ -1686,6 +1687,7 @@ SlangResult OptionsParser::_parse(
             case OptionKind::IgnoreCapabilities:
             case OptionKind::MinimumSlangOptimization:
             case OptionKind::DisableNonEssentialValidations:
+            case OptionKind::DisableSourceMap:
             case OptionKind::DefaultImageFormatUnknown:
             case OptionKind::Obfuscate:
             case OptionKind::OutputIncludes: