Add new command: scopes. Lists all scopes from the passed grammar file.

1st1 · 1st1 · commit 9c969d08f519 · 2015-10-17T20:20:59.000-04:00
diff --git a/bin/syntaxdev.js b/bin/syntaxdev.js
@@ -19,6 +19,15 @@ var sub = cli.addSubparsers({
     dest:    'command'
 });
 
+
+var listCli = sub.addParser('scopes');
+
+listCli.addArgument([ '--syntax' ], {
+    help: 'Syntax file in YAML format, ex: "--syntax FooLang.YAML-tmLanguage"',
+    required: true
+});
+
+
 var testCli = sub.addParser('test');
 
 testCli.addArgument([ '--tests' ], {
@@ -89,6 +98,8 @@ function main() {
         syntaxdev.buildCson(options.in, options.out);
     } else if (options.command == 'build-plist') {
         syntaxdev.buildPList(options.in, options.out);
+    } else if (options.command == 'scopes') {
+        console.log(syntaxdev.listScopes(options.syntax).join('\n'));
     }
 }
 
diff --git a/index.js b/index.js
@@ -303,8 +303,52 @@ function buildPList(inName, outName) {
 }
 
 
+function listScopes(grammarFile) {
+    var schema = readGrammarFile(grammarFile),
+        scopes = [];
+
+    function addName(name) {
+        scopes.push.apply(scopes, name.split(/\s+/g));
+    }
+
+    function visit(o) {
+        if (_.has(o, 'name')) {
+            addName(o.name);
+        }
+
+        if (_.has(o, 'patterns')) {
+            _.each(o.patterns, visit);
+        }
+
+        _.each(
+            ['beginCaptures', 'endCaptures', 'captures'],
+            function(prop) {
+                if (!_.has(o, prop)) {
+                    return
+                }
+
+                _.each(o[prop], function(v) {
+                    if (_.has(v, 'name')) {
+                        addName(v.name);
+                    }
+                })
+            }
+        );
+    }
+
+    if (schema.repository) {
+        _.each(schema.repository, function(v, k) {
+            visit(v);
+        });
+    }
+
+    return _.chain(scopes).uniq().sort().value();
+}
+
+
 module.exports = {
     test: test,
     buildCson: buildCson,
-    buildPList: buildPList
+    buildPList: buildPList,
+    listScopes: listScopes
 };
