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https://github.com/apple/swift.git
synced 2026-06-20 15:42:51 +02:00
Doug Gregor
8713c13bef
For a given function, we might end up emitting it's definition as object code, serialized SIL, or both. The @export, @inlinable, and @inline(always) attributes provide control of this behavior at the declaration level. Centralize the query function that will look for each of these attributes and map down to a specific "code generation model", whose 3 options follow the naming from SE-0497: interface, inlinable, and implementation. Use this one computation to back the queries for "always emit into client", "never emit into client", and "inlinable" so we can't get inconsistent results from places that are doing one-off checks for these attributes.
64 lines
2.7 KiB
Swift
64 lines
2.7 KiB
Swift
// REQUIRES: swift_swift_parser
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/// Test loading dependencies that has macros.
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// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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/// Build macros.
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// RUN: %host-build-swift -swift-version 5 -emit-library -o %t/%target-library-name(MacroOne) -module-name=MacroOne %t/macro-1.swift
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// RUN: %host-build-swift -swift-version 5 -emit-library -o %t/%target-library-name(MacroTwo) -module-name=MacroTwo %t/macro-2.swift
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// RUN: %target-swift-frontend -emit-module %t/test.swift -module-name Test -o %t/Test.swiftmodule \
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// RUN: -swift-version 5 -external-plugin-path %t#%swift-plugin-server -package-name Test \
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// RUN: -plugin-path %swift-plugin-dir -prefix-serialized-debugging-options \
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// RUN: -load-plugin-library %t/%target-library-name(MacroOne) \
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// RUN: -debug-prefix-map %t=/externalsearchpath \
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// RUN: -debug-prefix-map %swift-plugin-server=/externalserverpath \
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// RUN: -debug-prefix-map %swift-plugin-dir=/plugindir
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// RUN: %llvm-bcanalyzer -dump %t/Test.swiftmodule | %FileCheck %s
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// CHECK: <PLUGIN_SEARCH_OPTION abbrevid=[[ID:[0-9]+]] op0=1/> blob data = '/externalsearchpath#/externalserverpath'
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// CHECK: <PLUGIN_SEARCH_OPTION abbrevid=[[ID]] op0=0/> blob data = '/plugindir'
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// CHECK: <PLUGIN_SEARCH_OPTION abbrevid=[[ID]] op0=2/> blob data = '/externalsearchpath/{{(lib)?}}MacroOne
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//--- macro-1.swift
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import SwiftSyntax
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@_spi(ExperimentalLanguageFeatures) import SwiftSyntaxMacros
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public struct AssertMacro: 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 "assert(\(argument))"
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}
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}
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//--- macro-2.swift
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import SwiftSyntax
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@_spi(ExperimentalLanguageFeatures) 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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//--- test.swift
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import Swift
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@freestanding(expression) public macro assert(_: Bool) = #externalMacro(module: "MacroOne", type: "AssertMacro")
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@freestanding(expression) public macro assert_2(_: Bool) = #externalMacro(module: "MacroOne", type: "AssertMacro")
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@freestanding(expression) public macro stringify<T>(_ value: T) -> (T, String) = #externalMacro(module: "MacroTwo", type: "StringifyMacro")
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@freestanding(expression) public macro stringify_2<T>(_ value: T) -> (T, String) = #externalMacro(module: "MacroTwo", type: "StringifyMacro")
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