simplify compilation requestors

query.cm

@@ -0,0 +1,56 @@
+// query.cm — Semantic queries over index data.
+//
+// All functions take an index object (from index.cm) and return arrays of hits.
+
+var query = {}
+
+// Top-level this: references where name=="this" and enclosing==null.
+query.top_level_this = function(idx) {
+  var hits = []
+  var i = 0
+  var ref = null
+  while (i < length(idx.references)) {
+    ref = idx.references[i]
+    if (ref.name == "this" && ref.enclosing == null) {
+      hits[] = ref
+    }
+    i = i + 1
+  }
+  return hits
+}
+
+// Intrinsic usage: find refs to a built-in name (e.g., print).
+query.intrinsic = function(idx, name) {
+  var hits = []
+  var i = 0
+  var ref = null
+  if (idx.intrinsic_refs == null) return hits
+  while (i < length(idx.intrinsic_refs)) {
+    ref = idx.intrinsic_refs[i]
+    if (ref.name == name) {
+      hits[] = ref
+    }
+    i = i + 1
+  }
+  return hits
+}
+
+// Variable declarations matching a name and optional kind filter.
+// kind is one of "var", "def", "fn", "param", or null (any).
+query.find_decl = function(idx, name, kind) {
+  var hits = []
+  var i = 0
+  var sym = null
+  while (i < length(idx.symbols)) {
+    sym = idx.symbols[i]
+    if (sym.name == name) {
+      if (kind == null || sym.kind == kind) {
+        hits[] = sym
+      }
+    }
+    i = i + 1
+  }
+  return hits
+}
+
+return query