boolean (PsiBuilder b, int l) { if (!recursion_guard_(b, l, "brace_expansion")) return false; if (!nextTokenIs(b, LEFT_CURLY)) return false; boolean r; Marker m = enter_section_(b); r = consumeToken(b, LEFT_CURLY); r = r && brace_expansion_1(b, l + 1); r = r && consumeToken(b, RIGHT_CURLY); exit_section_(b, m, BRACE_EXPANSION, r); return r; }