From 5c49bb98ce17ca45349b633cc1709c0e662de18c Mon Sep 17 00:00:00 2001
From: Camden Dixie O'Brien <cdo@wip.sh>
Date: Wed, 25 Dec 2024 18:08:53 +0000
Subject: [PATCH] Set up auto-formatter

---
 .clang-format           | 21 +++++++++++++++++++++
 CMakeLists.txt          |  9 +++++++++
 scripts/check-format.sh |  2 ++
 scripts/format.sh       |  2 ++
 scripts/sources.sh      |  3 +++
 5 files changed, 37 insertions(+)
 create mode 100644 .clang-format
 create mode 100755 scripts/check-format.sh
 create mode 100755 scripts/format.sh
 create mode 100755 scripts/sources.sh

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..3840d47
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,21 @@
+---
+BasedOnStyle: WebKit
+AlignAfterOpenBracket: AlwaysBreak
+AlignConsecutiveMacros: false
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: DontAlign
+AlignOperands: false
+AlignTrailingComments: false
+TabWidth: 4
+UseTab: ForIndentation
+DerivePointerAlignment: false
+PointerAlignment: Right
+BinPackArguments: true
+BinPackParameters: true
+ExperimentalAutoDetectBinPacking: false
+AllowAllArgumentsOnNextLine: true
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortFunctionsOnASingleLine: None
+ColumnLimit: 77
+...
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 40dc82b..202e440 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,15 @@ macro(set_default_target_options target)
   endif()
 endmacro()
 
+add_custom_target(format
+  COMMAND sh ${CMAKE_SOURCE_DIR}/scripts/format.sh
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+)
+add_custom_target(check-format
+  COMMAND sh ${CMAKE_SOURCE_DIR}/scripts/check-format.sh
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+)
+
 add_subdirectory(engine)
 
 if (${TESTS})
diff --git a/scripts/check-format.sh b/scripts/check-format.sh
new file mode 100755
index 0000000..423cec7
--- /dev/null
+++ b/scripts/check-format.sh
@@ -0,0 +1,2 @@
+scripts_dir=`dirname $0`
+sh "$scripts_dir/sources.sh" | xargs -n 1 clang-format --dry-run --Werror
diff --git a/scripts/format.sh b/scripts/format.sh
new file mode 100755
index 0000000..6a2c92c
--- /dev/null
+++ b/scripts/format.sh
@@ -0,0 +1,2 @@
+scripts_dir=`dirname $0`
+sh "$scripts_dir/sources.sh" | xargs -n 1 clang-format -i
diff --git a/scripts/sources.sh b/scripts/sources.sh
new file mode 100755
index 0000000..4074056
--- /dev/null
+++ b/scripts/sources.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+root=`git rev-parse --show-toplevel`
+find "$root/engine" "$root/tests" -name '*.c' -o -name '*.h'