Initial Dever 0.0.1

editor/vscode/graph.cjs

@@ -0,0 +1,28 @@
+// 所有关系来自编译器；这里只按源码位置选择符号和分组显示。
+function contains(range, position) {
+  const compare = (left, right) => left.line - right.line || left.character - right.character;
+  return compare(range.start, position) <= 0 && compare(position, range.end) < 0;
+}
+
+// 自动分派用于调用层级；不能抢走显式绑定或 Port 声明的“转到定义”。
+const generated = new Set(['verify', 'rest-field', 'rest-model', 'adapter']);
+function at(index, file, position) {
+  const calls = index.calls.filter(call => !generated.has(call.kind) && call.site.file === file && contains(call.site, position));
+  const targets = new Set(calls.map(call => call.callee));
+  if (targets.size) return index.symbols.filter(symbol => targets.has(symbol.id));
+  return index.symbols.filter(symbol => symbol.declarations.some(location =>
+    location.file === file && contains(location, position)));
+}
+
+function relations(index, id, incoming) {
+  const grouped = new Map();
+  for (const call of index.calls) {
+    if ((incoming ? call.callee : call.caller) !== id) continue;
+    const target = incoming ? call.caller : call.callee;
+    if (!grouped.has(target)) grouped.set(target, []);
+    grouped.get(target).push(call);
+  }
+  return [...grouped].map(([id, calls]) => ({ symbol: index.symbols.find(symbol => symbol.id === id), calls }));
+}
+
+module.exports = { at, relations, contains };