Add salesforce apex support

build.rs

@@ -311,6 +311,11 @@ fn main() {
             src_dir: "vendored_parsers/tree-sitter-sql-src",
             extra_files: vec!["scanner.cc"],
         },
+        TreeSitterParser {
+            name: "tree-sitter-sfapex",
+            src_dir: "vendored_parsers/tree-sitter-sfapex-src",
+            extra_files: vec![],
+        },
         TreeSitterParser {
             name: "tree-sitter-swift",
             src_dir: "vendored_parsers/tree-sitter-swift-src",

manual/src/languages_supported.md

@@ -9,6 +9,7 @@ with `difft --list-languages`.
 | Language        | Parser Used                                                                                 |
 |-----------------|---------------------------------------------------------------------------------------------|
 | Ada             | [briot/tree-sitter-ada](https://github.com/briot/tree-sitter-ada)                           |
+| Apex            | [aheber/tree-sitter-sfapex](https://github.com/aheber/tree-sitter-sfapex)                   |
 | Bash            | [tree-sitter/tree-sitter-bash](https://github.com/tree-sitter/tree-sitter-bash)             |
 | C               | [tree-sitter/tree-sitter-c](https://github.com/tree-sitter/tree-sitter-c)                   |
 | C++             | [tree-sitter/tree-sitter-cpp](https://github.com/tree-sitter/tree-sitter-cpp)               |

sample_files/apex_after.cls

@@ -0,0 +1,10 @@
+/**
+ * @description diffstatic test file
+ */
+public with sharing class MyClass extends OtherClass implements MyInterface {
+    private static final Integer A_CONSTANT = 0;
+
+    public void doSomething(Object param1, Object param2) {
+        System.debug('Hello world!');
+    }
+}

sample_files/apex_before.cls

@@ -0,0 +1,14 @@
+/**
+ * @description diffstatic test file
+ */
+public with sharing class MyClass extends OtherClass
+         implements MyInterface {
+
+    private static final Integer A_CONSTANT = 0;
+
+    public void doSomething(Object param1,
+        Object param2) {
+
+        System.debug('Hello world!');
+    }
+}

sample_files/compare.expected

@@ -7,6 +7,9 @@ sample_files/ada_before.adb sample_files/ada_after.adb
 sample_files/added_line_before.txt sample_files/added_line_after.txt
 5996d2f9cc7c1e3acfdeafcf0f5e43c1  -
 
+sample_files/apex_before.cls sample_files/apex_after.cls
+fde5c2cb739fb8bb42a592f64190137e  -
+
 sample_files/align_footer_before.txt sample_files/align_footer_after.txt
 202e1821f9214f74568578dbc12ca83e  -
 

src/parse/guess_language.rs

@@ -19,6 +19,7 @@ use strum::{EnumIter, IntoEnumIterator};
 #[derive(Debug, Clone, Copy, PartialEq, Eq, EnumIter)]
 pub(crate) enum Language {
     Ada,
+    Apex,
     Bash,
     C,
     Clojure,
@@ -105,6 +106,7 @@ pub(crate) fn language_override_from_name(name: &str) -> Option<LanguageOverride
 pub(crate) fn language_name(language: Language) -> &'static str {
     match language {
         Ada => "Ada",
+        Apex => "Apex",
         Bash => "Bash",
         C => "C",
         Clojure => "Clojure",
@@ -217,6 +219,7 @@ pub(crate) fn language_globs(language: Language) -> Vec<glob::Pattern> {
             "zshenv",
             "zshrc",
         ],
+        Apex => &["*.cls", "*.apexc", "*.trigger"],
         C => &["*.c"],
         Clojure => &[
             "*.bb", "*.boot", "*.clj", "*.cljc", "*.clje", "*.cljs", "*.cljx", "*.edn", "*.joke",

src/parse/tree_sitter_parser.rs

@@ -61,6 +61,7 @@ pub(crate) struct TreeSitterConfig {
 
 extern "C" {
     fn tree_sitter_ada() -> ts::Language;
+    fn tree_sitter_apex() -> ts::Language;
     fn tree_sitter_bash() -> ts::Language;
     fn tree_sitter_c() -> ts::Language;
     fn tree_sitter_c_sharp() -> ts::Language;
@@ -146,6 +147,30 @@ pub(crate) fn from_language(language: guess::Language) -> TreeSitterConfig {
                 sub_languages: vec![],
             }
         }
+        Apex => {
+            let language = unsafe { tree_sitter_apex() };
+            TreeSitterConfig {
+                language,
+                atom_nodes: vec![
+                    "string_literal",
+                    "null_literal",
+                    "boolean",
+                    "int",
+                    "decimal_floating_point_literal",
+                    "date_literal",
+                    "currency_literal",
+                ]
+                .into_iter()
+                .collect(),
+                delimiter_tokens: vec![("[", "]"), ("(", ")"), ("{", "}")],
+                highlight_query: ts::Query::new(
+                    language,
+                    include_str!("../../vendored_parsers/highlights/apex.scm"),
+                )
+                .unwrap(),
+                sub_languages: vec![],
+            }
+        }
         Bash => {
             let language = unsafe { tree_sitter_bash() };
             TreeSitterConfig {

translation/zh-CN/manual-zh-CN/src/languages_supported.md

@@ -7,6 +7,7 @@
 | 语言             | 使用的解析器                                                                                                                                                      |
 |-----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | Bash            | [tree-sitter/tree-sitter-bash](https://github.com/tree-sitter/tree-sitter-bash)                                                                                |
+| Apex            | [aheber/tree-sitter-sfapex](https://github.com/aheber/tree-sitter-sfapex)                                                                                      |
 | C               | [tree-sitter/tree-sitter-c](https://github.com/tree-sitter/tree-sitter-c)                                                                                      |
 | C++             | [tree-sitter/tree-sitter-cpp](https://github.com/tree-sitter/tree-sitter-cpp)                                                                                  |
 | C#              | [tree-sitter/tree-sitter-c-sharp](https://github.com/tree-sitter/tree-sitter-c-sharp)                                                                          |