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[test] Check we can scale to large numbers of classes, interfaces, fields, type parameters, etc.
Bug: #61310 Change-Id: Idf8557f996d1274a0120458b32604fbd356bd7a6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/271220 Reviewed-by: Alexander Markov <[email protected]> Commit-Queue: Ryan Macnak <[email protected]>
1 parent a9a9c37 commit 922aff8

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‎runtime/tests/vm/dart/.gitignore

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‎runtime/tests/vm/dart/generated/.gitignore

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# Tests generated by `gclient runhooks`.
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*_test.dart

‎runtime/tests/vm/dart/generated/deeply_nested_closure_expression_generator.dart

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// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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main() {
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const n = 64;
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// TODO(https://github.com/dart-lang/sdk/issues/61310): n = 256
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print("class C {");
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print(" String field;");
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print(" C(this.field);");
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print(" createClosure() {");
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print(" return");
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for (var i = 0; i < n; i++) {
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print(" () =>");
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}
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print(" field;");
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print(" }");
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print("}");
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print("""
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main() {
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const n = $n;
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dynamic c = C("42").createClosure();
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for (var i = 0; i < n; i++) {
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if (c is! Function) throw "Wrong!";
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c = c.call();
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}
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if (c != "42") throw "Wrong!";
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}
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""");
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}

‎runtime/tests/vm/dart/generated/deeply_nested_list_literal_generator.dart

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// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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main() {
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const n = 1 << 8;
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// TODO(https://github.com/dart-lang/sdk/issues/61310): n = 1 << 16
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print("var list =");
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for (var i = 0; i < n; i++) {
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print("[");
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}
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print("null");
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for (var i = 0; i < n; i++) {
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print("]");
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}
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print(";");
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print("""
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main() {
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const n = $n;
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dynamic l = list;
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for (var i = 0; i < n; i++) {
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if (l is! List) throw "wrong";
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l = l[0];
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}
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if (l != null) throw "wrong";
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}
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""");
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}

‎runtime/tests/vm/dart/generated/deeply_nested_logical_expression_generator.dart

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// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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main() {
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const n = 512;
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print("@pragma('vm:never-inline')");
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print("@pragma('vm:entry-point') // Stop TFA");
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print("@pragma('dart2js:noInline')");
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print("dynamic check(List<int> x, int y) {");
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print(" return x[0] == y");
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for (var i = 1; i < n; i++) {
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print(" && x[$i] == y");
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}
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print(" ;");
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print("}");
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print("""
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main() {
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var x = new List<int>.filled($n, 42);
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if (!check(x, 42)) throw "Wrong!";
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}
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""");
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}

‎runtime/tests/vm/dart/generated/deeply_nested_map_literal_generator.dart

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// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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main() {
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const n = 1 << 8;
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// TODO(https://github.com/dart-lang/sdk/issues/61310): n = 1 << 16
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print("var map =");
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for (var i = 0; i < n; i++) {
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print("{0:");
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}
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print("null");
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for (var i = 0; i < n; i++) {
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print("}");
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}
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print(";");
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print("""
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main() {
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const n = $n;
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dynamic m = map;
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for (var i = 0; i < n; i++) {
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if (m is! Map) throw "wrong";
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m = m[0];
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}
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if (m != null) throw "wrong";
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}
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""");
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}

‎runtime/tests/vm/dart/generated/deeply_nested_set_literal_generator.dart

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// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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main() {
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const n = 1 << 8;
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// TODO(https://github.com/dart-lang/sdk/issues/61310): n = 1 << 16
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print("var set =");
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for (var i = 0; i < n; i++) {
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print("{");
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}
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print("null");
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for (var i = 0; i < n; i++) {
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print("}");
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}
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print(";");
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print("""
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main() {
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const n = $n;
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dynamic s = set;
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for (var i = 0; i < n; i++) {
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if (s is! Set) throw "wrong";
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s = s.single;
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}
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if (s != null) throw "wrong";
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}
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""");
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}

‎runtime/tests/vm/dart/generated/deeply_nested_type_parameters_generator.dart

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// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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main() {
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const n = 1 << 8;
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// TODO(https://github.com/dart-lang/sdk/issues/61310): n = 1 << 16
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print("class C<T> {}");
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for (var i = 0; i < n; i++) {
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print("C<");
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}
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print("int");
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for (var i = 0; i < n; i++) {
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print(">");
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}
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print(" c = new");
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for (var i = 0; i < n; i++) {
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print("C<");
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}
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print("int");
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for (var i = 0; i < n; i++) {
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print(">");
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}
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print("();");
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print("@pragma('vm:never-inline')");
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print("@pragma('vm:entry-point') // Stop TFA");
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print("@pragma('dart2js:noInline')");
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print("bool isCheck(dynamic c) {");
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print(" return c is ");
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for (var i = 0; i < n; i++) {
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print("C<");
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}
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print("int");
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for (var i = 0; i < n; i++) {
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print(">");
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}
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print(";");
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print("}");
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print("@pragma('vm:never-inline')");
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print("@pragma('vm:entry-point') // Stop TFA");
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print("@pragma('dart2js:noInline')");
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print("void asCheck(dynamic c) {");
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print(" c as ");
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for (var i = 0; i < n; i++) {
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print("C<");
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}
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print("int");
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for (var i = 0; i < n; i++) {
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print(">");
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}
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print(";");
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print("}");
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print("main() {");
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print(" if (!isCheck(c)) throw 'Wrong!';");
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print(" asCheck(c);");
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print("}");
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}

‎runtime/tests/vm/dart/generated/large_offset_type_parameter_generator.dart

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// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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main() {
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const n = 1 << 10;
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print(
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"// VMOptions=--optimization-counter-threshold=100 --no-use-osr --no-background-compilation",
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);
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print("class C <");
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print(" T0");
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for (var i = 1; i < n; i++) {
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print(" ,T${i}");
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}
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print("> {");
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print(" @pragma('vm:never-inline')");
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print(" @pragma('vm:entry-point') // Stop TFA");
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print(" @pragma('dart2js:noInline')");
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print(" static create<T>() {");
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print(" return new C<");
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for (var i = 0; i < (n - 1); i++) {
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print(" double,");
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}
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print(" T>();");
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print(" }");
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print("""
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@pragma('vm:never-inline')
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@pragma('vm:entry-point') // Stop TFA
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@pragma('dart2js:noInline')
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dynamic checkIs(dynamic x) => x is T${n - 1};
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@pragma('vm:never-inline')
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@pragma('vm:entry-point') // Stop TFA
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@pragma('dart2js:noInline')
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dynamic checkAs(dynamic x) => x as T${n - 1};
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@pragma('vm:never-inline')
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@pragma('vm:entry-point') // Stop TFA
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@pragma('dart2js:noInline')
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dynamic checkInstantiate() => new G<G<T${n - 1}>>();
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}
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class G<T> {}
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main() {
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for (var i = 0; i < 101; i++) {
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var c1 = C.create<int>();
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if (c1.checkIs(42) != true) throw "Wrong is";
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if (c1.checkAs(42) != 42) throw "Wrong as";
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if (c1.checkInstantiate() is! G<G<int>>) throw "Wrong instantiate";
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var c2 = C.create<double>();
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if (c2.checkIs(42.0) != true) throw "Wrong is";
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if (c2.checkAs(42.0) != 42.0) throw "Wrong as";
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if (c2.checkInstantiate() is! G<G<double>>) throw "Wrong instantiate";
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var c3 = C.create<String>();
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if (c3.checkIs("42") != true) throw "Wrong is";
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if (c3.checkAs("42") != "42") throw "Wrong as";
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if (c3.checkInstantiate() is! G<G<String>>) throw "Wrong instantiate";
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}
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}
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""");
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}

‎runtime/tests/vm/dart/generated/large_offset_type_vector_generator.dart

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// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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main() {
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const n = 1 << 10;
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print(
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"// VMOptions=--optimization-counter-threshold=100 --no-use-osr --no-background-compilation",
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);
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print("class NotGeneric {");
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for (var i = 0; i < n; i++) {
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print(" dynamic field${i};");
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}
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print(" @pragma('vm:never-inline')");
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print(" @pragma('vm:entry-point') // Stop TFA");
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print(" @pragma('dart2js:noInline')");
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print(" NotGeneric(x) :");
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for (var i = 0; i < (n - 1); i++) {
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print(" field${i} = x,");
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}
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print(" field${n - 1} = x {}");
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print(" @pragma('vm:never-inline')");
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print(" @pragma('vm:entry-point') // Stop TFA");
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print(" @pragma('dart2js:noInline')");
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print(" dynamic checkFields(dynamic x) {");
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for (var i = 0; i < n; i++) {
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print(" if (field${i} != x) return false;");
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}
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print(" return true;");
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print(" }");
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print("}");
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print("""
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class C<T> extends NotGeneric {
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C(x) : super(x);
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@pragma('vm:never-inline')
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@pragma('vm:entry-point') // Stop TFA
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@pragma('dart2js:noInline')
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dynamic checkIs(dynamic x) => x is T;
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@pragma('vm:never-inline')
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@pragma('vm:entry-point') // Stop TFA
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@pragma('dart2js:noInline')
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dynamic checkAs(dynamic x) => x as T;
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@pragma('vm:never-inline')
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@pragma('vm:entry-point') // Stop TFA
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@pragma('dart2js:noInline')
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dynamic checkInstantiate() => new G<G<T>>();
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}
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class G<T> {}
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main() {
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for (var i = 0; i < 101; i++) {
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var c1 = new C<int>(10);
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if (c1.checkIs(42) != true) throw "Wrong is";
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if (c1.checkAs(42) != 42) throw "Wrong as";
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if (c1.checkInstantiate() is! G<G<int>>) throw "Wrong instanitate";
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if (!c1.checkFields(10)) throw "Wrong fields";
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var c2 = new C<double>(10);
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if (c2.checkIs(42.0) != true) throw "Wrong is";
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if (c2.checkAs(42.0) != 42.0) throw "Wrong as";
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if (c2.checkInstantiate() is! G<G<double>>) throw "Wrong instanitate";
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if (!c2.checkFields(10)) throw "Wrong fields";
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var c3 = new C<String>(10);
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if (c3.checkIs("42") != true) throw "Wrong is";
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if (c3.checkAs("42") != "42") throw "Wrong as";
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if (c3.checkInstantiate() is! G<G<String>>) throw "Wrong instanitate";
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if (!c3.checkFields(10)) throw "Wrong fields";
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}
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}
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""");
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}

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