From 93ec42d06e6c7b8c157fd17a1ed40dda3ee91bf3 Mon Sep 17 00:00:00 2001
From: Michael Daffin
Date: Fri, 25 Feb 2022 08:48:20 +0000
Subject: Add support for HCL language (#1705)

Queries based on the neovims ones: https://github.com/nvim-treesitter/nvim-treesitter/tree/master/queries/hcl and modified for helix support.---
 runtime/queries/hcl/folds.scm      |   6 +++
 runtime/queries/hcl/highlights.scm | 100 +++++++++++++++++++++++++++++++++++++
 runtime/queries/hcl/indents.toml   |  13 +++++
 runtime/queries/hcl/injections.scm |   2 +
 4 files changed, 121 insertions(+)
 create mode 100644 runtime/queries/hcl/folds.scm
 create mode 100644 runtime/queries/hcl/highlights.scm
 create mode 100644 runtime/queries/hcl/indents.toml
 create mode 100644 runtime/queries/hcl/injections.scm

(limited to 'runtime/queries/hcl')

diff --git a/runtime/queries/hcl/folds.scm b/runtime/queries/hcl/folds.scm
new file mode 100644
index 00000000..cb20b2aa
--- /dev/null
+++ b/runtime/queries/hcl/folds.scm
@@ -0,0 +1,6 @@
+[
+ (comment)
+ (block)
+ (heredoc_template)
+ (object)
+] @fold
diff --git a/runtime/queries/hcl/highlights.scm b/runtime/queries/hcl/highlights.scm
new file mode 100644
index 00000000..03b3e525
--- /dev/null
+++ b/runtime/queries/hcl/highlights.scm
@@ -0,0 +1,100 @@
+(ERROR) @error
+
+; { key: val }
+
+(object_elem val: (expression
+  (variable_expr
+      (identifier) @type.builtin (#match? @type.builtin "^(bool|string|number|object|tuple|list|map|set|any)$"))))
+
+(get_attr (identifier) @variable.builtin (#match? @variable.builtin  "^(root|cwd|module)$"))
+(variable_expr (identifier) @variable.builtin (#match? @variable.builtin "^(var|local|path)$"))
+((identifier) @type.builtin (#match? @type.builtin "^(bool|string|number|object|tuple|list|map|set|any)$"))
+((identifier) @keyword (#match? @keyword "^(module|root|cwd|resource|variable|data|locals|terraform|provider|output)$"))
+
+; highlight identifier keys as though they were block attributes
+(object_elem key: (expression (variable_expr (identifier) @variable.other.member)))
+
+(attribute (identifier) @variable.other.member)
+(function_call (identifier) @function.method)
+(block (identifier) @type.builtin)
+
+(identifier) @variable
+(comment) @comment
+(null_lit) @constant.builtin
+(numeric_lit) @constant.number
+(bool_lit) @constant.builtin.boolean
+
+[
+  (template_interpolation_start) ; ${
+  (template_interpolation_end) ; }
+  (template_directive_start) ; %{
+  (template_directive_end) ; }
+  (strip_marker) ; ~
+] @punctuation.special
+
+[
+  (heredoc_identifier) ; <<END
+  (heredoc_start) ; END
+] @punctuation.delimiter
+
+[
+  (quoted_template_start) ; "
+  (quoted_template_end); "
+  (template_literal) ; non-interpolation/directive content
+] @string
+
+[ 
+  "if"
+  "else"
+  "endif"
+] @keyword.control.conditional
+
+[
+  "for"
+  "endfor"
+  "in"
+] @keyword.control.repeat
+
+[
+  ":"
+  "="
+] @none
+
+[
+  (ellipsis)
+  "\?"
+  "=>"
+] @punctuation.special
+
+[
+  "."
+  ".*"
+  ","
+  "[*]"
+] @punctuation.delimiter
+
+[
+  "{"
+  "}"
+  "["
+  "]"
+  "("
+  ")"
+] @punctuation.bracket
+
+[
+  "!"
+  "\*"
+  "/"
+  "%"
+  "\+"
+  "-"
+  ">"
+  ">="
+  "<"
+  "<="
+  "=="
+  "!="
+  "&&"
+  "||"
+] @operator
diff --git a/runtime/queries/hcl/indents.toml b/runtime/queries/hcl/indents.toml
new file mode 100644
index 00000000..b0d4a3f0
--- /dev/null
+++ b/runtime/queries/hcl/indents.toml
@@ -0,0 +1,13 @@
+indent = [
+  "object",
+  "block",
+  "tuple",
+  "for_tuple_expr",
+  "for_object_expr"
+]
+
+outdent = [
+  "object_end",
+  "block_end",
+  "tuple_end"
+]
diff --git a/runtime/queries/hcl/injections.scm b/runtime/queries/hcl/injections.scm
new file mode 100644
index 00000000..fd69161a
--- /dev/null
+++ b/runtime/queries/hcl/injections.scm
@@ -0,0 +1,2 @@
+((comment) @injection.content
+	(#set! injection.language "comment"))
-- 
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