Add support for MATLAB/Octave files (#5192)

book/src/generated/lang-support.md

@@ -78,6 +78,7 @@
 | make | ✓ |  |  |  |
 | markdown | ✓ |  |  | `marksman` |
 | markdown.inline | ✓ |  |  |  |
+| matlab | ✓ |  |  |  |
 | mermaid | ✓ |  |  |  |
 | meson | ✓ |  | ✓ |  |
 | mint |  |  |  | `mint` |

languages.toml

@@ -2068,3 +2068,16 @@ indent = { tab-width = 4, unit = "    " }
 [[grammar]]
 name = "mermaid"
 source = { git = "https://github.com/monaqa/tree-sitter-mermaid", rev = "d787c66276e7e95899230539f556e8b83ee16f6d" }
+
+[[language]]
+name = "matlab"
+scope = "source.m"
+file-types = ["m"]
+comment-token = "%"
+shebangs = ["octave-cli", "matlab"]
+roots = []
+indent = { tab-width = 2, unit = "  " }
+
+[[grammar]]
+name = "matlab"
+source = { git = "https://github.com/mstanciu552/tree-sitter-matlab", rev = "2d5d3d5193718a86477d4335aba5b34e79147326" }

runtime/queries/matlab/highlights.scm

@@ -0,0 +1,97 @@
+  ; highlights.scm
+
+function_keyword: (function_keyword) @keyword.function
+
+(function_definition
+function_name: (identifier) @function
+(end) @function)
+
+(parameter_list (identifier) @variable.parameter)
+
+[
+    "if"
+    "elseif"
+    "else"
+    "switch"
+    "case"
+    "otherwise"
+] @keyword.control.conditional
+
+(if_statement (end) @keyword.control.conditional)
+(switch_statement (end) @keyword.control.conditional)
+
+["for" "while"] @keyword.control.repeat
+(for_statement (end) @keyword.control.repeat)
+(while_statement (end) @keyword.control.repeat)
+
+["try" "catch"] @keyword.control.exception
+(try_statement (end) @keyword.control.exception)
+
+(function_definition end: (end) @keyword)
+
+["return" "break" "continue"] @keyword.return
+
+(
+(identifier) @constant.builtin
+(#any-of? @constant.builtin "true" "false")
+)
+
+(
+    (identifier) @constant.builtin
+    (#eq? @constant.builtin "end")
+)
+
+;; Punctuations
+
+[";" ","] @punctuation.special
+(argument_list "," @punctuation.delimiter)
+(vector_definition ["," ";"] @punctuation.delimiter)
+(cell_definition ["," ";"] @punctuation.delimiter)
+":" @punctuation.delimiter
+(parameter_list "," @punctuation.delimiter)
+(return_value "," @punctuation.delimiter)
+
+; ;; Brackets
+
+[
+ "("
+ ")"
+ "["
+ "]"
+ "{"
+ "}"
+] @punctuation.bracket
+
+;; Operators
+"=" @operator
+(operation [ ">"
+            "<"
+            "=="
+            "<="
+            ">="
+            "=<"
+            "=>"
+            "~="
+            "*"
+            ".*"
+            "/"
+            "\\"
+            "./"
+            "^"
+            ".^"
+            "+"] @operator)
+
+;; boolean operator
+[
+    "&&"
+    "||"
+] @operator
+
+;; Number
+(number) @constant.numeric
+
+;; String
+(string) @string
+
+;; Comment
+(comment) @comment