[PATCH] D118008: [demangler] write-protect non-canonical source
Nathan Sidwell via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Jan 23 14:17:48 PST 2022
urnathan created this revision.
urnathan added reviewers: ChuanqiXu, serge-sans-paille, aaron.ballman.
urnathan requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
To try and void undesired changes to the non-canonical demangler sources, change the cp-to-llvm script to (a) write-protect the target files and (b) prepend 'do not edit' comments that are significant to emacs[*], and hopefully humans.
[X] bite me :)
https://reviews.llvm.org/D118008
Files:
libcxxabi/src/demangle/cp-to-llvm.sh
llvm/include/llvm/Demangle/ItaniumDemangle.h
llvm/include/llvm/Demangle/StringView.h
llvm/include/llvm/Demangle/Utility.h
Index: llvm/include/llvm/Demangle/Utility.h
===================================================================
--- llvm/include/llvm/Demangle/Utility.h
+++ llvm/include/llvm/Demangle/Utility.h
@@ -1,3 +1,5 @@
+// Do not edit! -*- read-only -*-
+// See README.txt for instructions
//===--- Utility.h ----------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
Index: llvm/include/llvm/Demangle/StringView.h
===================================================================
--- llvm/include/llvm/Demangle/StringView.h
+++ llvm/include/llvm/Demangle/StringView.h
@@ -1,3 +1,5 @@
+// Do not edit! -*- read-only -*-
+// See README.txt for instructions
//===--- StringView.h -------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
Index: llvm/include/llvm/Demangle/ItaniumDemangle.h
===================================================================
--- llvm/include/llvm/Demangle/ItaniumDemangle.h
+++ llvm/include/llvm/Demangle/ItaniumDemangle.h
@@ -1,3 +1,5 @@
+// Do not edit! -*- read-only -*-
+// See README.txt for instructions
//===------------------------- ItaniumDemangle.h ----------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
Index: libcxxabi/src/demangle/cp-to-llvm.sh
===================================================================
--- libcxxabi/src/demangle/cp-to-llvm.sh
+++ libcxxabi/src/demangle/cp-to-llvm.sh
@@ -5,7 +5,8 @@
set -e
-FILES="ItaniumDemangle.h StringView.h Utility.h README.txt"
+cd $(dirname $0)
+HDRS="ItaniumDemangle.h StringView.h Utility.h"
LLVM_DEMANGLE_DIR=$1
if [[ -z "$LLVM_DEMANGLE_DIR" ]]; then
@@ -21,7 +22,15 @@
echo
if [[ $ANSWER =~ ^[Yy]$ ]]; then
- for I in $FILES ; do
- cp $I $LLVM_DEMANGLE_DIR/$I
+ cp -f README.txt $LLVM_DEMANGLE_DIR
+ chmod -w $LLVM_DEMANGLE_DIR/README.txt
+ for I in $HDRS ; do
+ rm -f $LLVM_DEMANGLE_DIR/$I
+ cat >$LLVM_DEMANGLE_DIR/$I <<EOF
+// Do not edit! -*- read-only -*-
+// See README.txt for instructions
+EOF
+ cat $I >>$LLVM_DEMANGLE_DIR/$I
+ chmod -w $LLVM_DEMANGLE_DIR/$I
done
fi
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