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a0b9b54944
When shutting down, the plugin, we send SIGTERM, then wait(2) on it. But we observed some cases the compiler waits for the plugin process exit for long time. To resolve that, send an empty message to the plugin and let them exit itself. rdar://160820381
72 lines
3.9 KiB
Swift
72 lines
3.9 KiB
Swift
// REQUIRES: swift_swift_parser
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// REQUIRES: swift_feature_Macros
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// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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// RUN: %swift-build-c-plugin -o %t/mock-plugin %t/plugin.c
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// RUN: env SWIFT_DUMP_PLUGIN_MESSAGING=1 %target-swift-frontend \
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// RUN: -typecheck -verify \
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// RUN: -swift-version 5 -enable-experimental-feature Macros \
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// RUN: -load-plugin-executable %t/mock-plugin#TestPlugin \
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// RUN: -module-name MyApp \
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// RUN: %t/test.swift \
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// RUN: > %t/macro-expansions.txt 2>&1
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// RUN: %FileCheck -strict-whitespace %s < %t/macro-expansions.txt
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// CHECK: ->(plugin:[[#PID1:]]) {"getCapability":{"capability":{"protocolVersion":[[#PROTOCOL_VERSION:]]}}}
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// CHECK-NEXT: <-(plugin:[[#PID1]]) {"getCapabilityResult":{"capability":{"protocolVersion":1}}}
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// CHECK-NEXT: ->(plugin:[[#PID1]]) {"expandFreestandingMacro":{"discriminator":"$s{{.+}}","lexicalContext":[{{.*}}],"macro":{"moduleName":"TestPlugin","name":"fooMacro","typeName":"FooMacro"},"macroRole":"expression","staticBuildConfiguration"{{.*}},"syntax":{"kind":"expression","location":{"column":19,"fileID":"MyApp/test.swift","fileName":"{{.+}}test.swift","line":7,"offset":[[#]]},"source":"#fooMacro(1)"}}}
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// CHECK-NEXT: <-(plugin:[[#PID1]]) {"invalidResponse":{}}
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// CHECK-NEXT: ->(plugin:[[#PID1]]) {"expandFreestandingMacro":{"discriminator":"$s{{.+}}","lexicalContext":[{{.*}}],"macro":{"moduleName":"TestPlugin","name":"fooMacro","typeName":"FooMacro"},"macroRole":"expression","staticBuildConfiguration"{{.*}},"syntax":{"kind":"expression","location":{"column":19,"fileID":"MyApp/test.swift","fileName":"{{.+}}test.swift","line":9,"offset":[[#]]},"source":"#fooMacro(2)"}}}
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// ^ This messages causes the mock plugin exit because there's no matching expected message.
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// CHECK: ->(plugin:[[#PID2:]]) {"getCapability":{"capability":{"protocolVersion":[[#PROTOCOL_VERSION]]}}}
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// CHECK-NEXT: <-(plugin:[[#PID2]]) {"getCapabilityResult":{"capability":{"protocolVersion":1}}}
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// CHECK-NEXT: ->(plugin:[[#PID2]]) {"expandFreestandingMacro":{"discriminator":"$s{{.+}}","lexicalContext":[{{.*}}],"macro":{"moduleName":"TestPlugin","name":"fooMacro","typeName":"FooMacro"},"macroRole":"expression","staticBuildConfiguration"{{.*}},"syntax":{"kind":"expression","location":{"column":19,"fileID":"MyApp/test.swift","fileName":"{{.+}}test.swift","line":11,"offset":[[#]]},"source":"#fooMacro(3)"}}}
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// CHECK-NEXT: <-(plugin:[[#PID2:]]) {"expandFreestandingMacroResult":{"diagnostics":[],"expandedSource":"3.description"}}
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// CHECK-NEXT: ->(plugin:[[#PID2:]]) {{$}}
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//--- test.swift
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@freestanding(expression) macro fooMacro(_: Any) -> String = #externalMacro(module: "TestPlugin", type: "FooMacro")
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func test() {
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// FIXME: Should be more user friendly message.
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// FIXME: -module-abi-name ABI name is leaking.
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let _: String = #fooMacro(1)
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// expected-error @-1 {{typeMismatch(_CompilerSwiftCompilerPluginMessageHandling.PluginToHostMessage}}
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let _: String = #fooMacro(2)
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// expected-error @-1 {{failed to receive result from plugin (from macro 'fooMacro')}}
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let _: String = #fooMacro(3)
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// ^ This should succeed.
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}
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//--- plugin.c
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#include "swift-c/MockPlugin/MockPlugin.h"
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MOCK_PLUGIN([
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{
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"expect": {"getCapability": {}},
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"response": {"getCapabilityResult": {"capability": {"protocolVersion": 1}}}
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},
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{
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"expect": {"expandFreestandingMacro": {
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"macro": {"moduleName": "TestPlugin", "typeName": "FooMacro"},
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"syntax": {"kind": "expression", "source": "#fooMacro(1)"}}},
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"response": {"invalidResponse": {}}
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},
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{
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"expect": {"getCapability": {}},
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"response": {"getCapabilityResult": {"capability": {"protocolVersion": 1}}}
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},
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{
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"expect": {"expandFreestandingMacro": {
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"macro": {"moduleName": "TestPlugin", "typeName": "FooMacro"},
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"syntax": {"kind": "expression", "source": "#fooMacro(3)"}}},
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"response": {"expandFreestandingMacroResult": {"expandedSource": "3.description", "diagnostics": []}}
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}
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])
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