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407674ea52
There is no `%swift-frontend-target` subsitution in test, which is actually `%target-swift-frontend`. The wrong spelling is actually interpreted by lit as `%swift`-frontend-target, and surprising didn't break any tests as the last argument from subsitution is `-define-availability` so it just leads to an very akward availability definition.
85 lines
2.6 KiB
Swift
85 lines
2.6 KiB
Swift
// REQUIRES: swift_swift_parser
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// sandbox-exec is only avaiable in Darwin
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// REQUIRES: OS=macosx
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// RUN: %empty-directory(%t)
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// RUN: %empty-directory(%t/plugins)
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// RUN: split-file %s %t
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//== Build the plugins
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// RUN: %host-build-swift \
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// RUN: -swift-version 5 \
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// RUN: -emit-library \
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// RUN: -o %t/plugins/%target-library-name(MacroDefinition) \
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// RUN: -module-name=MacroDefinition \
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// RUN: %t/MacroDefinition.swift \
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// RUN: -g -no-toolchain-stdlib-rpath
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// RUN: %swift-build-c-plugin -o %t/mock-plugin %t/TestPlugin.c
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//== Nested sandbox. Expected to fail because sandbox-exec doesn't support nested sandboxing.
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// RUN: not sandbox-exec -p '(version 1)(allow default)' \
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// RUN: %target-swift-frontend \
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// RUN: -typecheck -verify \
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// RUN: -swift-version 5 \
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// RUN: -external-plugin-path %t/plugins#%swift-plugin-server \
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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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//== Avoid nested sandbox by -disable-sandbox
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// RUN: sandbox-exec -p '(version 1)(allow default)' \
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// RUN: %target-swift-frontend \
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// RUN: -disable-sandbox \
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// RUN: -typecheck -verify \
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// RUN: -swift-version 5 \
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// RUN: -external-plugin-path %t/plugins#%swift-plugin-server \
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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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//--- MacroDefinition.swift
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import SwiftSyntax
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import SwiftSyntaxBuilder
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import SwiftSyntaxMacros
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public struct StringifyMacro: ExpressionMacro {
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public static func expansion(
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of macro: some FreestandingMacroExpansionSyntax,
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in context: some MacroExpansionContext
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) -> ExprSyntax {
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guard let argument = macro.arguments.first?.expression else {
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fatalError("boom")
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}
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return "(\(argument), \(StringLiteralExprSyntax(content: argument.description)))"
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}
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}
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//--- TestPlugin.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": "TestStringMacro"}}},
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"response": {"expandMacroResult": {"expandedSource": "\"test string\"", "diagnostics": []}}
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}
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])
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//--- test.swift
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@freestanding(expression) macro stringify<T>(_ value: T) -> (T, String) = #externalMacro(module: "MacroDefinition", type: "StringifyMacro")
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@freestanding(expression) macro testString() -> String = #externalMacro(module: "TestPlugin", type: "TestStringMacro")
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func test() {
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let _: String = #stringify(42).1
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let _: String = #testString
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}
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