Support `include` for pulling file into the current module. (#3377)

* Support `include` for pulling file into the current module.

* Add auto-completion, hover info and goto-def support.

* Disable warning for missing `module` declaration for now.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

2 files changed, 13 insertions, 0 deletions

diff --git a/source/core/slang-io.cpp b/source/core/slang-io.cpp
index 4ef5ecc2d..c546dd059 100644
--- a/source/core/slang-io.cpp
+++ b/source/core/slang-io.cpp
@@ -794,6 +794,17 @@ namespace Slang
     }
 #endif
 
+    bool Path::equals(String path1, String path2)
+    {
+        Path::getCanonical(path1, path1);
+        Path::getCanonical(path2, path2);
+#if SLANG_WINDOWS_FAMILY
+        return path1.getUnownedSlice().caseInsensitiveEquals(path2.getUnownedSlice());
+#else
+        return path1 == path2;
+#endif
+    }
+
     /// Gets the path to the executable that was invoked that led to the current threads execution
     /// If run from a shared library/dll will be the path of the executable that loaded said library
     /// @param outPath Pointer to buffer to hold the path.
diff --git a/source/core/slang-io.h b/source/core/slang-io.h
index 30c477730..125ac135c 100644
--- a/source/core/slang-io.h
+++ b/source/core/slang-io.h
@@ -211,6 +211,8 @@ namespace Slang
             /// @param path
             /// @return SLANG_OK if file or directory is removed
         static SlangResult remove(const String& path);
+
+        static bool equals(String path1, String path2);
     };
 
     struct URI