From 30646b17280a9c05f43d289b5fa5fb9ec898091d Mon Sep 17 00:00:00 2001
From: Aris Julio <arisjulio@users.noreply.github.com>
Date: Tue, 6 Feb 2024 21:14:33 -0500
Subject: Add language_graphql.lua (#360)

* Add language_graphql.lua

* Fix code style in language_graphql.lua

* Add language_graphql as a dependency in meta_languages
---
 plugins/language_graphql.lua | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 plugins/language_graphql.lua

(limited to 'plugins/language_graphql.lua')

diff --git a/plugins/language_graphql.lua b/plugins/language_graphql.lua
new file mode 100644
index 0000000..6e38d28
--- /dev/null
+++ b/plugins/language_graphql.lua
@@ -0,0 +1,42 @@
+-- mod-version:3
+local syntax = require "core.syntax"
+
+syntax.add {
+  name = "GraphQL",
+  files = { "%.graphql$", "%.gql$" },
+  comment = "#",
+  block_comment = { '"""', '"""' },
+  patterns = {
+    { pattern = { '"', '"', "\\" },                        type = "string"   },
+    { pattern = { '"""', '"""' },                          type = "comment"  },
+    { pattern = "#.*",                                     type = "comment"  },
+    { pattern = "-?%.?%d+",                                type = "number"   },
+    { pattern = "%s*[@]%s*[%a_][%w_]*",                    type = "function" },
+    { pattern = "!",                                       type = "operator" },
+    { pattern = "%s*=%s*",                                 type = "operator" },
+    { pattern = "%s*%$[%a_][%w_]*:*",                      type = "literal"  },
+    { pattern = "query%s*()[%a_][%w_]*[(]",                type = { "keyword", "function" } },
+    { pattern = "mutation%s*()[%a_][%w_]*[(]",             type = { "keyword", "function" } },
+    { pattern = ":%s*%[*()[%a_,%s][%w_,%s]*()%]*()[!]*",   type = { "symbol", "literal", "symbol", "operator" } },
+  },
+  symbols = {
+    ["query"]         = "keyword",
+    ["mutation"]      = "keyword",
+    ["type"]          = "keyword",
+    ["interface"]     = "keyword",
+    ["input"]         = "keyword",
+    ["fragment"]      = "keyword",
+    ["directive"]     = "keyword",
+    ["extends"]       = "keyword",
+    ["implements"]    = "keyword",
+    ["on"]            = "keyword",
+    ["enum"]          = "keyword",
+    ["scalar"]        = "keyword",
+    ["union"]         = "keyword",
+    ["schema"]        = "keyword",
+    ["extend"]        = "keyword2",
+    ["true"]          = "literal",
+    ["false"]         = "literal",
+  },
+}
+
-- 
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