add Markdown support

Author: BrianHicks

README.md

@@ -86,6 +86,7 @@ For example:
 - Elm
 - Haskell
 - JavaScript
+- Markdown
 - PHP
 - Ruby
 - Rust

build.rs

@@ -92,6 +92,24 @@ fn main() {
         .file(javascript_dir.join("scanner.c"))
         .compile("tree_sitter_javascript_scanner");
 
+    // markdown
+    let markdown_dir: PathBuf = ["vendor", "tree-sitter-markdown", "src"].iter().collect();
+
+    println!("cargo:rerun-if-changed=vendor/tree-sitter-markdown/src/parser.c");
+    cc::Build::new()
+        .include(&markdown_dir)
+        .warnings(false)
+        .file(markdown_dir.join("parser.c"))
+        .compile("tree-sitter-markdown");
+
+    println!("cargo:rerun-if-changed=vendor/tree-sitter-markdown/src/scanner.cc");
+    cc::Build::new()
+        .include(&markdown_dir)
+        .cpp(true)
+        .warnings(false)
+        .file(markdown_dir.join("scanner.cc"))
+        .compile("tree_sitter_markdown_scanner");
+
     // php
     let php_dir: PathBuf = ["vendor", "tree-sitter-php", "src"].iter().collect();
 

src/language.rs

@@ -9,6 +9,7 @@ pub enum Language {
     Elm,
     Haskell,
     JavaScript,
+    Markdown,
     Php,
     Ruby,
     Rust,
@@ -23,6 +24,7 @@ impl Language {
             Language::Elm,
             Language::Haskell,
             Language::JavaScript,
+            Language::Markdown,
             Language::Php,
             Language::Ruby,
             Language::Rust,
@@ -38,6 +40,7 @@ impl Language {
                 Language::Elm => tree_sitter_elm(),
                 Language::Haskell => tree_sitter_haskell(),
                 Language::JavaScript => tree_sitter_javascript(),
+                Language::Markdown => tree_sitter_markdown(),
                 Language::Php => tree_sitter_php(),
                 Language::Ruby => tree_sitter_ruby(),
                 Language::Rust => tree_sitter_rust(),
@@ -57,6 +60,7 @@ impl Language {
             Language::Elm => "elm",
             Language::Haskell => "haskell",
             Language::JavaScript => "js",
+            Language::Markdown => "markdown",
             Language::Php => "php",
             Language::Ruby => "ruby",
             Language::Rust => "rust",
@@ -75,6 +79,7 @@ impl FromStr for Language {
             "elm" => Ok(Language::Elm),
             "haskell" => Ok(Language::Haskell),
             "javascript" => Ok(Language::JavaScript),
+            "markdown" => Ok(Language::Markdown),
             "php" => Ok(Language::Php),
             "ruby" => Ok(Language::Ruby),
             "rust" => Ok(Language::Rust),
@@ -100,6 +105,7 @@ impl Display for Language {
             Language::Elm => f.write_str("elm"),
             Language::Haskell => f.write_str("haskell"),
             Language::JavaScript => f.write_str("javascript"),
+            Language::Markdown => f.write_str("markdown"),
             Language::Php => f.write_str("php"),
             Language::Ruby => f.write_str("ruby"),
             Language::Rust => f.write_str("rust"),
@@ -148,6 +154,7 @@ extern "C" {
     fn tree_sitter_elm() -> tree_sitter::Language;
     fn tree_sitter_haskell() -> tree_sitter::Language;
     fn tree_sitter_javascript() -> tree_sitter::Language;
+    fn tree_sitter_markdown() -> tree_sitter::Language;
     fn tree_sitter_php() -> tree_sitter::Language;
     fn tree_sitter_ruby() -> tree_sitter::Language;
     fn tree_sitter_rust() -> tree_sitter::Language;

src/main.rs

@@ -326,6 +326,20 @@ mod tests {
         ]))
     }
 
+    #[test]
+    fn all_markdown() {
+        insta::assert_snapshot!(call(&[
+            "tree-grepper",
+            "-q",
+            "markdown",
+            "(_)",
+            "--format=pretty-json",
+            "--sort",
+            "--no-gitignore",
+            "vendor/tree-sitter-markdown/README.md",
+        ]))
+    }
+
     #[test]
     fn all_php() {
         insta::assert_snapshot!(call(&[