Set up auto-formatter

.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
+...

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})

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

scripts/format.sh

@@ -0,0 +1,2 @@
+scripts_dir=`dirname $0`
+sh "$scripts_dir/sources.sh" | xargs -n 1 clang-format -i

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'