From 8ec5b3e6ef2e7e5c3adaa5accb375676b1c09ff0 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 22 Feb 2024 07:14:55 -0800
Subject: Add API for querying and reusing precompiled binary modules. (#3614)

---
 source/compiler-core/slang-source-loc.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'source/compiler-core/slang-source-loc.cpp')

diff --git a/source/compiler-core/slang-source-loc.cpp b/source/compiler-core/slang-source-loc.cpp
index fe08f8dfc..872c40f0d 100644
--- a/source/compiler-core/slang-source-loc.cpp
+++ b/source/compiler-core/slang-source-loc.cpp
@@ -4,7 +4,6 @@
 #include "../core/slang-string-util.h"
 #include "../core/slang-string-escape-util.h"
 #include "../core/slang-char-encode.h"
-
 #include "slang-artifact-representation-impl.h"
 #include "slang-artifact-impl.h"
 #include "slang-artifact-util.h"
@@ -602,6 +601,17 @@ SourceFile::~SourceFile()
 {
 }
 
+SHA1::Digest SourceFile::getDigest()
+{
+    if (m_digest == SHA1::Digest())
+    {
+        DigestBuilder<SHA1> builder;
+        builder.append(getContent());
+        m_digest = builder.finalize();
+    }
+    return m_digest;
+}
+
 String SourceFile::calcVerbosePath() const
 {
     ISlangFileSystemExt* fileSystemExt = getSourceManager()->getFileSystemExt();
-- 
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