actually make the vim syntax work nicely + document it

1 files changed, 29 insertions, 0 deletions

diff --git a/vim/werge.vim b/vim/werge.vim
new file mode 100644
index 0000000..0997437
--- /dev/null
+++ b/vim/werge.vim
@@ -0,0 +1,29 @@
+" Vim syntax file
+" Language: werge
+" Maintainer: Mirek Kratochvil
+" Last Change: Oct 14, 2025
+" Version: 1
+" URL: https://github.com/exaexa/werge
+
+" quit if a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+" syntax for the werge files
+syntax region wergeHunk start=/<<<<</ end=/>>>>>/ contains=wergeRm,wergeDiffAdd,wergeConflictOrigAdd
+syntax region wergeRm  start=/<<<<</hs=e+1  end=/|||||/he=s-1,me=s-1 contained
+syntax match wergeDiffAdd /|||||\([^>=]\|>\{1,4\}>\@!\|=\{1,4\}=\@!\)*>>>>>/ms=s+5,me=e-5 contained
+syntax match wergeConflictOrigAdd /|||||\([^=>]\|=\{1,4\}=\@!\|>\{1,4\}>\@!\)*=====\([^=>]\|=\{1,4\}=\@!\|>\{1,4\}>\@!\)*>>>>>/me=e-5 contained contains=wergeConflictOrig,wergeconflictAdd
+syntax region wergeConflictOrig start=/|||||/hs=e+1  end=/=====/he=s-1,me=s-1 contained
+syntax region wergeConflictAdd start=/=====/hs=e+1  end=/>>>>>/he=s-1,me=s-1 contained
+
+" color specification
+highlight default link wergeHunk Comment
+highlight default link wergeRm Removed
+highlight default link wergeDiffAdd Added
+highlight default link wergeConflictOrigAdd Comment
+highlight default link wergeConflictOrig Changed
+highlight default link wergeConflictAdd Added
+
+let b:current_syntax = "werge"