From cb610113605f62e784b63012b31b751acb6fac72 Mon Sep 17 00:00:00 2001
From: skallweitNV <64953474+skallweitNV@users.noreply.github.com>
Date: Thu, 27 Jun 2024 17:35:17 +0200
Subject: Add API for querying dependency files on IModule (#4493)

* Add API for querying dependency files on IModule

* return nullptr
---
 source/slang/slang-compiler.cpp | 12 ++++++++++++
 source/slang/slang-compiler.h   |  9 +++++++++
 2 files changed, 21 insertions(+)

(limited to 'source/slang')

diff --git a/source/slang/slang-compiler.cpp b/source/slang/slang-compiler.cpp
index cee104dc9..e61c0f220 100644
--- a/source/slang/slang-compiler.cpp
+++ b/source/slang/slang-compiler.cpp
@@ -2471,6 +2471,18 @@ namespace Slang
         return nullptr;
     }
 
+    SLANG_NO_THROW SlangInt32 SLANG_MCALL Module::getDependencyFileCount()
+    {
+        return (SlangInt32)getFileDependencies().getCount();
+    }
+
+    SLANG_NO_THROW char const* SLANG_MCALL Module::getDependencyFilePath(
+        SlangInt32 index)
+    {
+        SourceFile* sourceFile = getFileDependencies()[index];
+        return sourceFile->getPathInfo().hasFoundPath() ? sourceFile->getPathInfo().foundPath.getBuffer() : nullptr;
+    }
+
     void validateEntryPoint(
         EntryPoint* entryPoint,
         DiagnosticSink* sink);
diff --git a/source/slang/slang-compiler.h b/source/slang/slang-compiler.h
index 056e6ea21..46724119b 100755
--- a/source/slang/slang-compiler.h
+++ b/source/slang/slang-compiler.h
@@ -1453,6 +1453,15 @@ namespace Slang
         /// Get the unique identity of the module.
         virtual SLANG_NO_THROW const char* SLANG_MCALL getUniqueIdentity() override;
 
+        /// Get the number of dependency files that this module depends on.
+        /// This includes both the explicit source files, as well as any
+        /// additional files that were transitively referenced (e.g., via
+        /// a `#include` directive).
+        virtual SLANG_NO_THROW SlangInt32 SLANG_MCALL getDependencyFileCount() override;
+
+        /// Get the path to a file this module depends on.
+        virtual SLANG_NO_THROW char const* SLANG_MCALL getDependencyFilePath(
+            SlangInt32 index) override;
 
         virtual void buildHash(DigestBuilder<SHA1>& builder) SLANG_OVERRIDE;
 
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