refs: fix refs for struct member fn

Author: bvdberg

ast/type_ref.c2

@@ -299,6 +299,10 @@ fn bool TypeRef.isBuiltin(const TypeRef* r) {
     return r.flags.kind == TypeRefKind.Builtin;
 }
 
+public fn bool TypeRef.isStructMemberFn(const TypeRef* r) {
+    return r.flags.kind == TypeRefKind.StructMemberType;
+}
+
 public fn bool TypeRef.isVoid(const TypeRef* r) {
     return r.isBuiltin() && r.flags.num_ptrs == 0 && r.getBuiltinKind() == BuiltinKind.Void;
 }

generator/ast_visitor.c2

@@ -119,14 +119,16 @@ fn void Visitor.handleTypeRef(Visitor* v, const TypeRef* r) {
 
         const Ref* user = r.getUser();
         v.on_ref(v.arg, user);
+    } else if (r.isStructMemberFn()) {
+        const Ref* member = r.getStructMemberType();
+        v.handleFunction((FunctionDecl*)member.decl);
     }
 
     u32 num_arrays = r.getNumArrays();
     for (u32 i=0; i<num_arrays; i++) {
         Expr* e = r.getArray(i);
         if (e) v.handleExpr(e); // could be foo[]
     }
-
 }
 
 /*

generator/c2refs.c2

@@ -361,7 +361,7 @@ fn u32 Lengths.get_offset(const Lengths* l, u32 start, u32 line, u32 column) {
 }
 
 fn void Lengths.dump(const Lengths* f, bool verbose) {
-    printf("  Lengths: %7d bytes  %d/%d entries\n", f.total_size, f.count, f.cap);
+    printf("  line lengths: %7d bytes  %d/%d entries\n", f.total_size, f.count, f.cap);
     if (verbose) {
         for (u32 i=0; i<f.count; i++) {
             printf("  [%4d] %4d\n", i, f.lengths[i]);