From 4f5052a92ca402c4d90fbfdb9a18549b16d5a716 Mon Sep 17 00:00:00 2001
From: q66 <daniel@octaforge.org>
Date: Sun, 16 May 2021 19:51:52 +0200
Subject: [PATCH] clazy: rebuild for llvm12

---
 ...a6e3393ebc75e16c91e606ad2015a16295c3.patch | 88 +++++++++++++++++++
 srcpkgs/clazy/template                        |  2 +-
 2 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 srcpkgs/clazy/patches/2592a6e3393ebc75e16c91e606ad2015a16295c3.patch

diff --git a/srcpkgs/clazy/patches/2592a6e3393ebc75e16c91e606ad2015a16295c3.patch b/srcpkgs/clazy/patches/2592a6e3393ebc75e16c91e606ad2015a16295c3.patch
new file mode 100644
index 00000000000..9a91341513d
--- /dev/null
+++ b/srcpkgs/clazy/patches/2592a6e3393ebc75e16c91e606ad2015a16295c3.patch
@@ -0,0 +1,88 @@
+From 2592a6e3393ebc75e16c91e606ad2015a16295c3 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Christian=20Sch=C3=A4rf?= <c.schaerf@t-online.de>
+Date: Sat, 23 Jan 2021 15:34:10 +0100
+Subject: [PATCH] Fix build with Clang 12
+
+Required due to Clang changes https://github.com/llvm/llvm-project/commit/b3eff6b7bb31e7ef059a3d238de138849839fbbd and https://github.com/llvm/llvm-project/commit/d758f79e5d381bd4f5122193a9538d89c907c812
+---
+ src/SourceCompatibilityHelpers.h | 26 ++++++++++++++++++++++++++
+ src/SuppressionManager.cpp       |  5 ++---
+ 2 files changed, 28 insertions(+), 3 deletions(-)
+
+diff --git a/src/SourceCompatibilityHelpers.h b/src/SourceCompatibilityHelpers.h
+index 4db141ab..1737d5a5 100644
+--- src/SourceCompatibilityHelpers.h
++++ src/SourceCompatibilityHelpers.h
+@@ -29,6 +29,7 @@
+ #include <clang/Basic/SourceLocation.h>
+ #include <clang/Basic/SourceManager.h>
+ #include <clang/Frontend/FrontendDiagnostic.h>
++#include <clang/Lex/Lexer.h>
+ #include <clang/Tooling/Core/Diagnostic.h>
+ 
+ #if defined(CLAZY_USES_BOOST_REGEX)
+@@ -103,6 +104,31 @@ inline clang::tooling::Replacements& DiagnosticFix(clang::tooling::Diagnostic &d
+ #endif
+ }
+ 
++inline auto getBuffer(const clang::SourceManager &sm, clang::FileID id, bool *invalid)
++{
++#if LLVM_VERSION_MAJOR >= 12
++    auto buffer = sm.getBufferOrNone(id);
++    *invalid = !buffer.hasValue();
++    return buffer;
++#else
++    return sm.getBuffer(id, invalid);
++#endif
++}
++
++#if LLVM_VERSION_MAJOR >= 12
++inline clang::Lexer getLexer(clang::FileID id, llvm::Optional<llvm::MemoryBufferRef> inputFile,
++                             const clang::SourceManager &sm, const clang::LangOptions &lo)
++{
++    return clang::Lexer(id, inputFile.getValue(), sm, lo);
++}
++#else
++inline clang::Lexer getLexer(clang::FileID id, const llvm::MemoryBuffer *inputFile,
++                             const clang::SourceManager &sm, const clang::LangOptions &lo)
++{
++    return clang::Lexer(id, inputFile, sm, lo);
++}
++#endif
++
+ }
+ 
+ #endif
+diff --git a/src/SuppressionManager.cpp b/src/SuppressionManager.cpp
+index 9d774ea6..9881388d 100644
+--- src/SuppressionManager.cpp
++++ src/SuppressionManager.cpp
+@@ -24,7 +24,6 @@
+ #include "clazy_stl.h"
+ 
+ #include <clang/Basic/SourceManager.h>
+-#include <clang/Lex/Lexer.h>
+ #include <clang/Basic/SourceLocation.h>
+ #include <clang/Basic/TokenKinds.h>
+ #include <clang/Lex/Token.h>
+@@ -84,7 +83,7 @@ void SuppressionManager::parseFile(FileID id, const SourceManager &sm, const cla
+     Suppressions &suppressions = (*it).second;
+ 
+     bool invalid = false;
+-    auto buffer = sm.getBuffer(id, &invalid);
++    auto buffer = clazy::getBuffer(sm, id, &invalid);
+     if (invalid) {
+         llvm::errs() << "SuppressionManager::parseFile: Invalid buffer ";
+         if (buffer)
+@@ -92,7 +91,7 @@ void SuppressionManager::parseFile(FileID id, const SourceManager &sm, const cla
+         return;
+     }
+ 
+-    Lexer lexer(id, buffer, sm, lo);
++    auto lexer = clazy::getLexer(id, buffer, sm, lo);
+     lexer.SetCommentRetentionState(true);
+ 
+     Token token;
+-- 
+GitLab
+
diff --git a/srcpkgs/clazy/template b/srcpkgs/clazy/template
index 39f529593eb..2c958d5d481 100644
--- a/srcpkgs/clazy/template
+++ b/srcpkgs/clazy/template
@@ -1,7 +1,7 @@
 # Template file for 'clazy'
 pkgname=clazy
 version=1.9
-revision=1
+revision=2
 build_style=cmake
 makedepends="clang llvm"
 depends="clang"