From e96545e9f1e46b091dc8b305a6a3657374fb31b3 Mon Sep 17 00:00:00 2001
From: Sven Göthel <sgothel@jausoft.com>
Date: Sun, 12 May 2024 08:29:11 +0200
Subject: Produce ${CMAKE_CURRENT_SOURCE_DIR}/.clangd w/ cmake configuration if
 not existing (deleted the git-repo version), allowing to set all absolute
 path properly

---
 .clangd                 | 34 ----------------------------------
 .gitignore              |  1 +
 CMakeLists.txt          |  8 ++++++++
 cmake/modules/clangd.in | 32 ++++++++++++++++++++++++++++++++
 4 files changed, 41 insertions(+), 34 deletions(-)
 delete mode 100644 .clangd
 create mode 100644 cmake/modules/clangd.in

diff --git a/.clangd b/.clangd
deleted file mode 100644
index 58bfe1b..0000000
--- a/.clangd
+++ /dev/null
@@ -1,34 +0,0 @@
-#ClangTidy config is merged w/ .clang-tidy where this file takes precedence
-#Diagnostics:
-#  ClangTidy:
-#    Add: [clang-diagnostic-*, clang-analyzer-*, modernize-*, bugprone-*]
-#
-#    Remove: [modernize-use-auto, modernize-use-nodiscard, modernize-use-using, modernize-use-trailing-return-type, 
-#             modernize-avoid-c-arrays, modernize-use-default-member-init, modernize-return-braced-init-list, 
-#             modernize-avoid-bind, modernize-use-transparent-functors,
-#             bugprone-reserved-identifier, bugprone-easily-swappable-parameters, bugprone-assignment-in-if-condition,
-#             bugprone-misplaced-widening-cast, bugprone-branch-clone]
-#
-#    CheckOptions:
-#        modernize-use-default-member-init.UseAssignment: true
-
-# Tell clangd to use the compile_commands.json file in the build/default folder
-#  Add: [-isystem, /usr/local/projects/jausoft/gamp/jaulib/include]
-#  Add: [-isystem, ../jaulib/include]
-CompileFlags:
-  CompilationDatabase: build/default
-  Add: [-isystem, /usr/local/projects/jausoft/gamp/jaulib/include]
-
-Diagnostics:
-  UnusedIncludes: Strict
-
-InlayHints:
-  Enabled: No
-  BlockEnd: Yes
-  Designators: No
-  ParameterNames: Yes
-  DeducedTypes: Yes
-  TypeNameLimit: 24
-
-Hover:
-  ShowAKA: Yes
diff --git a/.gitignore b/.gitignore
index 66205fa..43cc61b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,5 @@ snaps/
 /compile_commands.json
 *~
 *.log
+.clangd
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1b86ed7..af52bce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,6 +26,14 @@ endif()
 include(WasmSetup.cmake)
 JaulibSetup()
 
+if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.clangd)
+# Fixup clangd w/ absolute path
+set (gamp_clangd_source_args "-isystem, ${CMAKE_CURRENT_SOURCE_DIR}/jaulib/include, -isystem, ${CMAKE_CURRENT_SOURCE_DIR}/jaulib/src, -isystem, ${CMAKE_CURRENT_SOURCE_DIR}/jaulib/java_jni/jni, -isystem, ${CMAKE_CURRENT_SOURCE_DIR}/jaulib/java_jni/jni/jau, -isystem, ${CMAKE_CURRENT_SOURCE_DIR}/jaulib/test")
+set (gamp_clangd_source_args "${gamp_clangd_source_args} -isystem, ${CMAKE_CURRENT_SOURCE_DIR}/include, -isystem, ${CMAKE_CURRENT_SOURCE_DIR}/src, -isystem, ${CMAKE_CURRENT_SOURCE_DIR}/test")
+configure_file (${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/clangd.in
+                ${CMAKE_CURRENT_SOURCE_DIR}/.clangd)
+endif()
+
 # this is the library version, derived from git tag and revision
 set (gamp_VERSION_MAJOR      ${VERSION_MAJOR})
 set (gamp_VERSION_MINOR      ${VERSION_MINOR})
diff --git a/cmake/modules/clangd.in b/cmake/modules/clangd.in
new file mode 100644
index 0000000..9388250
--- /dev/null
+++ b/cmake/modules/clangd.in
@@ -0,0 +1,32 @@
+#ClangTidy config is merged w/ .clang-tidy where this file takes precedence
+#Diagnostics:
+#  ClangTidy:
+#    Add: [clang-diagnostic-*, clang-analyzer-*, modernize-*, bugprone-*]
+#
+#    Remove: [modernize-use-auto, modernize-use-nodiscard, modernize-use-using, modernize-use-trailing-return-type, 
+#             modernize-avoid-c-arrays, modernize-use-default-member-init, modernize-return-braced-init-list, 
+#             modernize-avoid-bind, modernize-use-transparent-functors,
+#             bugprone-reserved-identifier, bugprone-easily-swappable-parameters, bugprone-assignment-in-if-condition,
+#             bugprone-misplaced-widening-cast, bugprone-branch-clone]
+#
+#    CheckOptions:
+#        modernize-use-default-member-init.UseAssignment: true
+
+# Tell clangd to use the compile_commands.json file in the build/default folder
+CompileFlags:
+  CompilationDatabase: @CMAKE_CURRENT_BINARY_DIR@
+  Add: [@gamp_clangd_source_args@]
+
+Diagnostics:
+  UnusedIncludes: Strict
+
+InlayHints:
+  Enabled: No
+  BlockEnd: Yes
+  Designators: No
+  ParameterNames: Yes
+  DeducedTypes: Yes
+  TypeNameLimit: 24
+
+Hover:
+  ShowAKA: Yes
-- 
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