From 49e067874133e12d10ad3ac0c941438e2d7025e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bla=C5=BE=20Hrastnik?= <blaz@mxxn.io>
Date: Wed, 15 Dec 2021 00:45:38 +0900
Subject: [PATCH] Add markdown grammar

Fixes #215
---
 .gitmodules                                 |  4 +++
 helix-syntax/languages/tree-sitter-markdown |  1 +
 languages.toml                              |  9 ++++++
 runtime/queries/markdown/highlights.scm     | 35 +++++++++++++++++++++
 runtime/queries/markdown/injections.scm     |  0
 runtime/queries/svelte/highlights.scm       |  2 +-
 theme.toml                                  |  6 ++++
 7 files changed, 56 insertions(+), 1 deletion(-)
 create mode 160000 helix-syntax/languages/tree-sitter-markdown
 create mode 100644 runtime/queries/markdown/highlights.scm
 create mode 100644 runtime/queries/markdown/injections.scm

diff --git a/.gitmodules b/.gitmodules
index 6295b9e95..9c10846d0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -150,3 +150,7 @@
 	path = helix-syntax/languages/tree-sitter-llvm
 	url = https://github.com/benwilliamgraham/tree-sitter-llvm
 	shallow = true
+[submodule "helix-syntax/languages/tree-sitter-markdown"]
+	path = helix-syntax/languages/tree-sitter-markdown
+	url = https://github.com/MDeiml/tree-sitter-markdown
+	shallow = true
diff --git a/helix-syntax/languages/tree-sitter-markdown b/helix-syntax/languages/tree-sitter-markdown
new file mode 160000
index 000000000..ad8c32917
--- /dev/null
+++ b/helix-syntax/languages/tree-sitter-markdown
@@ -0,0 +1 @@
+Subproject commit ad8c32917a16dfbb387d1da567bf0c3fb6fffde2
diff --git a/languages.toml b/languages.toml
index 07b6dba9f..abb94acf7 100644
--- a/languages.toml
+++ b/languages.toml
@@ -421,3 +421,12 @@ roots = []
 file-types = ["ll"]
 comment-token = ";"
 indent = { tab-width = 2, unit = "  " }
+
+[[language]]
+name = "markdown"
+scope = "source.md"
+injection-regex = "md|markdown"
+file-types = ["md"]
+roots = []
+
+indent = { tab-width = 2, unit = "  " }
diff --git a/runtime/queries/markdown/highlights.scm b/runtime/queries/markdown/highlights.scm
new file mode 100644
index 000000000..a102719b1
--- /dev/null
+++ b/runtime/queries/markdown/highlights.scm
@@ -0,0 +1,35 @@
+[
+  (atx_heading)
+  (setext_heading)
+] @markup.heading
+
+(code_fence_content) @none
+
+[
+  (indented_code_block)
+  (fenced_code_block)
+] @markup.raw.block
+
+(code_span) @markup.raw.inline
+
+(emphasis) @markup.italic
+
+(strong_emphasis) @markup.bold
+
+(link_destination) @markup.underline.link
+
+; (link_label) @markup.label ; TODO: rename
+
+[
+  (list_marker_plus)
+  (list_marker_minus)
+  (list_marker_star)
+  (list_marker_dot)
+  (list_marker_parenthesis)
+] @punctuation.special
+
+[
+  (backslash_escape)
+  (hard_line_break)
+] @string.character.escape
+
diff --git a/runtime/queries/markdown/injections.scm b/runtime/queries/markdown/injections.scm
new file mode 100644
index 000000000..e69de29bb
diff --git a/runtime/queries/svelte/highlights.scm b/runtime/queries/svelte/highlights.scm
index 4fcdfd669..f9eef6b5f 100644
--- a/runtime/queries/svelte/highlights.scm
+++ b/runtime/queries/svelte/highlights.scm
@@ -25,7 +25,7 @@
 
 ((attribute
    (attribute_name) @_attr
-   (quoted_attribute_value (attribute_value) @markup.undeline.link))
+   (quoted_attribute_value (attribute_value) @markup.underline.link))
  (#match? @_attr "^(href|src)$"))
 
 (tag_name) @tag
diff --git a/theme.toml b/theme.toml
index 8c0d1f6ca..0a79861e2 100644
--- a/theme.toml
+++ b/theme.toml
@@ -28,6 +28,12 @@ string = "silver"
 # used for lifetimes
 label = "honey"
 
+"markup.heading" = "lilac"
+"markup.bold" = { modifiers = ["bold"] }
+"markup.italic" = { modifiers = ["italic"] }
+"markup.underline.link" = { fg = "silver", modifiers = ["underlined"] }
+"markup.raw" = "almond"
+
 # TODO: diferentiate doc comment
 # concat (ERROR) @error.syntax and "MISSING ;" selectors for errors