commit 33dda6a2910364b5781e9c2071d5a8d95e2bbad0
Author: Martino Ferrari <martinogiordano.ferrari@iter.org>
Date:   Thu May 7 15:24:36 2026 +0200

    Initial zed_marte language extension

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..24657b9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,25 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug
+target
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+# Generated by cargo mutants
+# Contains mutation testing data
+**/mutants.out*/
+
+# rustc will dump stack traces when hitting an internal compiler error to PWD
+rustc-ice-*.txt
+
+# RustRover
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..ef13428
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,341 @@
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+# It is not intended for manual editing.
+version = 4
+
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+ "serde_json",
+ "wasm-encoder",
+ "wasm-metadata",
+ "wasmparser",
+ "wit-parser",
+]
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+ "indexmap",
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+ "serde",
+ "serde_derive",
+ "serde_json",
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+ "wasmparser",
+]
+
+[[package]]
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+dependencies = [
+ "serde",
+ "serde_json",
+ "wit-bindgen",
+]
+
+[[package]]
+name = "zed_marte"
+version = "0.0.1"
+dependencies = [
+ "zed_extension_api",
+]
+
+[[package]]
+name = "zmij"
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..17ea6a7
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "zed_marte"
+version = "0.0.1"
+edition = "2021"
+publish = false
+
+[lib]
+path = "src/lib.rs"
+crate-type = ["cdylib"]
+
+[dependencies]
+zed_extension_api = "0.1.0"
diff --git a/extension.toml b/extension.toml
new file mode 100644
index 0000000..d55b7a5
--- /dev/null
+++ b/extension.toml
@@ -0,0 +1,32 @@
+id = "Marte"
+name = "MARTe"
+version = "0.0.6"
+schema_version = 1
+description = "MARTe language support for Zed"
+themes = []
+languages = ["languages/marte"]
+
+[lib]
+kind = "Rust"
+version = "0.2.0"
+
+[grammars.marte]
+repository = "https://github.com/MARTe-Community/tree-sitter-marte"
+rev = "1edbdc955fe6c0cf5bccd33368f0eb03a62d2682"
+
+[language_servers.mdt]
+name = "mdt"
+# MATCH THE CASING EXACTLY:
+language = "MARTe" 
+languages = []
+
+[language_servers.mdt.language_ids]
+# Left side MUST exactly match the `name` field in config.toml
+# Right side is what your specific LSP expects the language ID to be
+MARTe = "MARTe" 
+
+[context_servers]
+
+[slash_commands]
+
+[indexed_docs_providers]
diff --git a/extension.wasm b/extension.wasm
new file mode 100644
index 0000000..d0b35c7
Binary files /dev/null and b/extension.wasm differ
diff --git a/grammars/marte b/grammars/marte
new file mode 160000
index 0000000..1edbdc9
--- /dev/null
+++ b/grammars/marte
@@ -0,0 +1 @@
+Subproject commit 1edbdc955fe6c0cf5bccd33368f0eb03a62d2682
diff --git a/grammars/marte.wasm b/grammars/marte.wasm
new file mode 100755
index 0000000..84a1f08
Binary files /dev/null and b/grammars/marte.wasm differ
diff --git a/languages/marte/config.toml b/languages/marte/config.toml
new file mode 100644
index 0000000..ce2c91e
--- /dev/null
+++ b/languages/marte/config.toml
@@ -0,0 +1,11 @@
+name = "MARTe"
+grammar = "marte"
+path_suffixes = ["marte"]
+line_comments = ["// "]
+autoclose_before = "}])"
+brackets = [
+    { start = "(", end = ")", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "{", end = "}", close = true, newline = true },
+]
+language_servers = ["mdt"]
diff --git a/languages/marte/highlights.scm b/languages/marte/highlights.scm
new file mode 100644
index 0000000..6ad7955
--- /dev/null
+++ b/languages/marte/highlights.scm
@@ -0,0 +1,17 @@
+(property) @property
+(attribute) @attribute
+(marte_common) @keyword
+(app) @function
+(string_literal) @string
+(definition) @constructor
+(builtintype) @type.builtin
+(number) @number
+(comment) @comment
+(assign) @operator
+(obrace) @punctuation.bracket
+(cbrace) @punctuation.bracket
+(opar) @punctuation.bracket
+(cpar) @punctuation.bracket
+(vbar) @operator
+(comma) @punctuation.delimiter
+
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..afb9e0e
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,54 @@
+use zed_extension_api::{self as zed, Result};
+
+struct Marte {
+    cached_binary_path: Option<String>,
+}
+
+impl Marte {
+    fn language_server_path(
+        &mut self,
+        _language_server_id: &zed::LanguageServerId,
+        worktree: &zed::Worktree,
+    ) -> Result<String> {
+        // 1. Ask the worktree to resolve the binary in the system PATH
+        if let Some(path) = worktree.which("mdt") {
+            self.cached_binary_path = Some(path.clone());
+            return Ok(path);
+        }
+
+        // 2. Fallback to cache using zed::fs, NOT std::fs
+        if let Some(path) = &self.cached_binary_path {
+            // Note: in zed::fs, is_file is a boolean field, not a method
+            if std::fs::metadata(path).map_or(false, |stat| stat.is_file()) {
+                return Ok(path.clone());
+            }
+        }
+
+        Err("mdt executable not found in PATH. Please install it in /usr/bin/ or add it to your PATH.".to_string())
+    }
+}
+
+impl zed::Extension for Marte {
+    fn new() -> Self {
+        Self {
+            cached_binary_path: None,
+        }
+    }
+
+    fn language_server_command(
+        &mut self,
+        language_server_id: &zed::LanguageServerId,
+        worktree: &zed::Worktree,
+    ) -> Result<zed::Command> {
+        // Call the method to get the absolute path to /usr/bin/mdt
+        let path = self.language_server_path(language_server_id, worktree)?;
+
+        Ok(zed::Command {
+            command: path, // Use the resolved absolute path here
+            args: vec!["lsp".to_string()],
+            env: Default::default(),
+        })
+    }
+}
+
+zed::register_extension!(Marte);
diff --git a/test_layout.json b/test_layout.json
new file mode 100644
index 0000000..4dc0e60
--- /dev/null
+++ b/test_layout.json
@@ -0,0 +1,138 @@
+{
+  "Split": {
+    "direction": "Vertical",
+    "ratio": 0.5,
+    "left": {
+      "Leaf": {
+        "id": "view_0",
+        "title": "Main View",
+        "view_type": "Scope",
+        "signals": [
+          "analog_1",
+          "analog_2"
+        ],
+        "signal_styles": {
+          "analog_2": {
+            "color": [
+              255,
+              128,
+              128
+            ],
+            "label": "",
+            "unit": "",
+            "scale": 1.0,
+            "offset": 0.0,
+            "line_style": "Solid",
+            "show_points": true
+          },
+          "analog_1": {
+            "color": [
+              173,
+              216,
+              230
+            ],
+            "label": "",
+            "unit": "",
+            "scale": 1.0,
+            "offset": 0.0,
+            "line_style": "Solid",
+            "show_points": true
+          }
+        }
+      }
+    },
+    "right": {
+      "Leaf": {
+        "id": "view_0_B",
+        "title": "Main View (Split)",
+        "view_type": "Logic",
+        "signals": [
+          "digital_1",
+          "digital_2",
+          "digital_3",
+          "digital_4"
+        ],
+        "signal_styles": {
+          "digital_3": {
+            "color": [
+              144,
+              238,
+              144
+            ],
+            "label": "",
+            "unit": "",
+            "scale": 1.0,
+            "offset": 0.0,
+            "line_style": "Solid",
+            "show_points": false
+          },
+          "digital_4": {
+            "color": [
+              255,
+              215,
+              0
+            ],
+            "label": "",
+            "unit": "",
+            "scale": 1.0,
+            "offset": 0.0,
+            "line_style": "Solid",
+            "show_points": false
+          },
+          "analog_2": {
+            "color": [
+              255,
+              128,
+              128
+            ],
+            "label": "",
+            "unit": "",
+            "scale": 1.0,
+            "offset": 0.0,
+            "line_style": "Solid",
+            "show_points": false
+          },
+          "analog_1": {
+            "color": [
+              173,
+              216,
+              230
+            ],
+            "label": "",
+            "unit": "",
+            "scale": 1.0,
+            "offset": 0.0,
+            "line_style": "Solid",
+            "show_points": false
+          },
+          "digital_1": {
+            "color": [
+              173,
+              216,
+              230
+            ],
+            "label": "",
+            "unit": "",
+            "scale": 1.0,
+            "offset": 0.0,
+            "line_style": "Solid",
+            "show_points": false
+          },
+          "digital_2": {
+            "color": [
+              255,
+              128,
+              128
+            ],
+            "label": "",
+            "unit": "",
+            "scale": 1.0,
+            "offset": 0.0,
+            "line_style": "Solid",
+            "show_points": false
+          }
+        }
+      }
+    }
+  }
+}
\ No newline at end of file