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[SourceKit] Implement macro expansion for (some) attached macros.

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Extend the macro-expansion refactoring to work with member and
member-attribute attached macros. These expansions can return several
different changes, e.g., adding new members, sprinkling member
attributes around, and so on.
This commit is contained in:
Doug Gregor
2023-02-10 22:44:25 -08:00
parent 7ea0e3f096
commit 96380624db
6 changed files with 221 additions and 27 deletions
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38
test/SourceKit/Macros/macro_basic.swift
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@@ -4,6 +4,26 @@ func testStringify(a: Int, b: Int) {
_ = #stringify(a + b)
}
@attached(memberAttribute)
@attached(member)
macro myTypeWrapper() = #externalMacro(module: "MacroDefinition", type: "TypeWrapperMacro")
@attached(accessor) macro accessViaStorage() = #externalMacro(module: "MacroDefinition", type: "AccessViaStorageMacro")
struct _Storage {
var x: Int = 0 {
willSet { print("setting \(newValue)") }
}
var y: Int = 0 {
willSet { print("setting \(newValue)") }
}
}
@myTypeWrapper
struct S {
var x: Int
var y: Int
}
// FIXME: Swift parser is not enabled on Linux CI yet.
// REQUIRES: OS=macosx
@@ -54,3 +74,21 @@ func testStringify(a: Int, b: Int) {
// EXPAND: source.edit.kind.active:
// EXPAND-NEXT: 4:7-4:24 "(a + b, "a + b")"
//##-- cursor-info at 'macro name' position following @.
// RUN: %sourcekitd-test -req=cursor -pos=21:2 -cursor-action %s -- ${COMPILER_ARGS[@]} | %FileCheck -check-prefix=CURSOR_ATTACHED_MACRO %s
// CURSOR_ATTACHED_MACRO-LABEL: ACTIONS BEGIN
// CURSOR_ATTACHED_MACRO: source.refactoring.kind.expand.macro
// CURSOR_ATTACHED_MACRO-NEXT: Expand Macro
// CURSOR_ATTACHED_MACRO: ACTIONS END
//##-- Refactoring expanding the attached macro
// RUN: %sourcekitd-test -req=refactoring.expand.macro -pos=21:2 %s -- ${COMPILER_ARGS[@]} | %FileCheck -check-prefix=ATTACHED_EXPAND %s
// ATTACHED_EXPAND: source.edit.kind.active:
// ATTACHED_EXPAND: 23:3-23:3 "@accessViaStorage"
// ATTACHED_EXPAND: source.edit.kind.active:
// ATTACHED_EXPAND: 24:3-24:3 "@accessViaStorage"
// ATTACHED_EXPAND: source.edit.kind.active:
// ATTACHED_EXPAND: 22:11-22:11 "private var _storage = _Storage()"
// ATTACHED_EXPAND: source.edit.kind.active:
// ATTACHED_EXPAND: 21:1-21:15 ""