runtime(hcl,terraform): Add runtime files for HCL and Terraform
closes: #15618
Signed-off-by: Gregory Anders <greg@gpanders.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/autoload/hcl.vim b/runtime/autoload/hcl.vim
new file mode 100644
index 0000000..2215fc8
--- /dev/null
+++ b/runtime/autoload/hcl.vim
@@ -0,0 +1,40 @@
+" Language: HCL
+" Maintainer: Gregory Anders
+" Last Change: 2024-09-03
+" Based on: https://github.com/hashivim/vim-terraform
+
+function! hcl#indentexpr(lnum)
+ " Beginning of the file should have no indent
+ if a:lnum == 0
+ return 0
+ endif
+
+ " Usual case is to continue at the same indent as the previous non-blank line.
+ let prevlnum = prevnonblank(a:lnum-1)
+ let thisindent = indent(prevlnum)
+
+ " If that previous line is a non-comment ending in [ { (, increase the
+ " indent level.
+ let prevline = getline(prevlnum)
+ if prevline !~# '^\s*\(#\|//\)' && prevline =~# '[\[{\(]\s*$'
+ let thisindent += &shiftwidth
+ endif
+
+ " If the current line ends a block, decrease the indent level.
+ let thisline = getline(a:lnum)
+ if thisline =~# '^\s*[\)}\]]'
+ let thisindent -= &shiftwidth
+ endif
+
+ " If the previous line starts a block comment /*, increase by one
+ if prevline =~# '/\*'
+ let thisindent += 1
+ endif
+
+ " If the previous line ends a block comment */, decrease by one
+ if prevline =~# '\*/'
+ let thisindent -= 1
+ endif
+
+ return thisindent
+endfunction