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Features: * Add `virtual` virtual override keyword for functions * Support `virtual` class methods using dynamic dispatch Changes: * Add `vtable` in `NominalClassType`, * Add `NominalClassValue**` in class values pointing to descendant-most class * Resolve virtual methods during member lookup Limitations: * Does not include yet `impl`, `abstract` virtual override keywords, or the complete logic for virtual function declaration Depends on #2460 Relates to #1881 Relates to #2493
22 lines
589 B
Plaintext
22 lines
589 B
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// RUN: %{not} %{explorer-run}
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// RUN: %{not} %{explorer-run-trace}
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package ExplorerTest api;
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class C {
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virtual fn Foo() -> i32 {
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return 1;
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// CHECK:STDERR: COMPILATION ERROR: {{.*}}/explorer/testdata/class/fail_virtual_class_function.carbon:[[@LINE+1]]: Error declaring `Foo`: class functions cannot be virtual.
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}
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}
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fn Main() -> i32 {
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let c: C = {};
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return 0;
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}
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