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This PR refactors the ASTDumper to make it more structured, less mistake-prone, and more amenable to future changes. For example:
```cpp
// Before:
void visitUnresolvedDotExpr(UnresolvedDotExpr *E) {
printCommon(E, "unresolved_dot_expr")
<< " field '" << E->getName() << "'";
PrintWithColorRAII(OS, ExprModifierColor)
<< " function_ref=" << getFunctionRefKindStr(E->getFunctionRefKind());
if (E->getBase()) {
OS << '\n';
printRec(E->getBase());
}
PrintWithColorRAII(OS, ParenthesisColor) << ')';
}
// After:
void visitUnresolvedDotExpr(UnresolvedDotExpr *E, StringRef label) {
printCommon(E, "unresolved_dot_expr", label);
printFieldQuoted(E->getName(), "field");
printField(E->getFunctionRefKind(), "function_ref", ExprModifierColor);
if (E->getBase()) {
printRec(E->getBase());
}
printFoot();
}
```
* Values are printed through calls to base class methods, rather than direct access to the underlying `raw_ostream`.
* These methods tend to reduce the chances of bugs like missing/extra spaces or newlines, too much/too little indentation, etc.
* More values are quoted, and unprintable/non-ASCII characters in quoted values are escaped before printing.
* Infrastructure to label child nodes now exists.
* Some weird breaks from the normal "style", like `PatternBindingDecl`'s original and processed initializers, have been brought into line.
* Some types that previously used ad-hoc dumping functions, like conformances and substitution maps, are now structured similarly to the dumper classes.
* I've fixed the odd dumping bug along the way. For example, distributed actors were only marked `actor`, not `distributed actor`.
This PR doesn't change the overall style of AST dumps; they're still pseudo-S-expressions. But the logic that implements this style is now isolated into a relatively small base class, making it feasible to introduce e.g. JSON dumping in the future.
298 lines
13 KiB
Swift
298 lines
13 KiB
Swift
// RUN: %target-swift-frontend -swift-version 5 -typecheck -dump-ast %s | %FileCheck %s
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struct Strukt {
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// CHECK: (struct_decl {{.*}} "Strukt"
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// CHECK: (var_decl {{.*}} "dynamicStorageOnlyVar" interface type="Int" access=internal dynamic readImpl=stored writeImpl=stored readWriteImpl=stored
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="dynamicStorageOnlyVar"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic set for="dynamicStorageOnlyVar"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="dynamicStorageOnlyVar"
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dynamic var dynamicStorageOnlyVar : Int = 0
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// CHECK: (var_decl {{.*}} "computedVar" interface type="Int" access=internal dynamic readImpl=getter immutable
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="computedVar"
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dynamic var computedVar : Int {
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return 0
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}
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// CHECK: (var_decl {{.*}} "computedVar2" interface type="Int" access=internal dynamic readImpl=getter immutable
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="computedVar2"
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dynamic var computedVar2 : Int {
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get {
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return 0
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}
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}
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// CHECK: (var_decl {{.*}} "computedVarGetterSetter" interface type="Int" access=internal dynamic readImpl=getter writeImpl=setter readWriteImpl=materialize_to_temporary
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="computedVarGetterSetter"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic set for="computedVarGetterSetter"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="computedVarGetterSetter"
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dynamic var computedVarGetterSetter : Int {
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get {
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return 0
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}
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set {
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}
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}
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// CHECK: (var_decl {{.*}} "computedVarGetterModify" interface type="Int" access=internal dynamic readImpl=getter writeImpl=modify_coroutine readWriteImpl=modify_coroutine
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="computedVarGetterModify"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _modify for="computedVarGetterModify"
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// CHECK: (accessor_decl {{.*}} access=internal set for="computedVarGetterModify"
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dynamic var computedVarGetterModify : Int {
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get {
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return 0
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}
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_modify {
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}
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}
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// CHECK: (var_decl {{.*}} "computedVarReadSet" interface type="Int" access=internal dynamic readImpl=read_coroutine writeImpl=setter readWriteImpl=materialize_to_temporary
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _read for="computedVarReadSet"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic set for="computedVarReadSet"
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// CHECK: (accessor_decl {{.*}} access=internal get for="computedVarReadSet"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="computedVarReadSet"
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dynamic var computedVarReadSet : Int {
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_read {
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}
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set {
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}
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}
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// CHECK: (var_decl {{.*}} "computedVarReadModify" interface type="Int" access=internal dynamic readImpl=read_coroutine writeImpl=modify_coroutine readWriteImpl=modify_coroutine
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _read for="computedVarReadModify"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _modify for="computedVarReadModify"
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// CHECK: (accessor_decl {{.*}} access=internal get for="computedVarReadModify"
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// CHECK: (accessor_decl {{.*}} access=internal set for="computedVarReadModify"
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dynamic var computedVarReadModify : Int {
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_read {
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}
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_modify {
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}
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}
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// CHECK: (var_decl {{.*}} "storedWithObserver" interface type="Int" access=internal dynamic readImpl=stored writeImpl=stored_with_observers readWriteImpl=stored_with_didset
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// CHECK: (accessor_decl {{.*}}access=private dynamic didSet for="storedWithObserver"
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// CHECK: (accessor_decl {{.*}}access=internal dynamic get for="storedWithObserver"
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// CHECK: (accessor_decl {{.*}}access=internal set for="storedWithObserver"
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// CHECK: (accessor_decl {{.*}}access=internal _modify for="storedWithObserver"
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dynamic var storedWithObserver : Int {
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didSet {
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}
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}
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// CHECK: (func_decl {{.*}} access=internal dynamic
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dynamic func aMethod(arg: Int) -> Int {
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return arg
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}
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// CHECK: (subscript_decl {{.*}} "subscript(_:)" {{.*}} access=internal dynamic readImpl=getter writeImpl=setter readWriteImpl=materialize_to_temporary
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic set for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="subscript(_:)"
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dynamic subscript(_ index: Int) -> Int {
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get {
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return 1
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}
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set {
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}
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}
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// CHECK: (subscript_decl {{.*}} "subscript(_:)" {{.*}} access=internal dynamic readImpl=getter writeImpl=modify_coroutine readWriteImpl=modify_coroutine
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _modify for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal set for="subscript(_:)"
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dynamic subscript(_ index: Float) -> Int {
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get {
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return 1
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}
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_modify {
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}
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}
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// CHECK: (subscript_decl {{.*}} "subscript(_:)" {{.*}} access=internal dynamic readImpl=read_coroutine writeImpl=modify_coroutine readWriteImpl=modify_coroutine
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _read for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _modify for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal get for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal set for="subscript(_:)"
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dynamic subscript(_ index: Double) -> Int {
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_read {
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}
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_modify {
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}
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}
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// CHECK: (subscript_decl {{.*}} "subscript(_:)" {{.*}} access=internal dynamic readImpl=read_coroutine writeImpl=setter readWriteImpl=materialize_to_temporary
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _read for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic set for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal get for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="subscript(_:)"
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dynamic subscript(_ index: Strukt) -> Int {
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_read {
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}
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set {
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}
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}
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}
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class Klass {
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// CHECK: (class_decl {{.*}} "Klass"
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// CHECK: (var_decl {{.*}} "dynamicStorageOnlyVar" interface type="Int" access=internal dynamic readImpl=stored writeImpl=stored readWriteImpl=stored
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="dynamicStorageOnlyVar"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic set for="dynamicStorageOnlyVar"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="dynamicStorageOnlyVar"
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dynamic var dynamicStorageOnlyVar : Int = 0
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// CHECK: (var_decl {{.*}} "computedVar" interface type="Int" access=internal dynamic readImpl=getter immutable
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="computedVar"
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dynamic var computedVar : Int {
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return 0
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}
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// CHECK: (var_decl {{.*}} "computedVar2" interface type="Int" access=internal dynamic readImpl=getter immutable
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="computedVar2"
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dynamic var computedVar2 : Int {
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get {
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return 0
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}
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}
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// CHECK: (var_decl {{.*}} "computedVarGetterSetter" interface type="Int" access=internal dynamic readImpl=getter writeImpl=setter readWriteImpl=materialize_to_temporary
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="computedVarGetterSetter"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic set for="computedVarGetterSetter"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="computedVarGetterSetter"
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dynamic var computedVarGetterSetter : Int {
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get {
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return 0
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}
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set {
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}
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}
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// CHECK: (var_decl {{.*}} "computedVarGetterModify" interface type="Int" access=internal dynamic readImpl=getter writeImpl=modify_coroutine readWriteImpl=modify_coroutine
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="computedVarGetterModify"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _modify for="computedVarGetterModify"
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// CHECK: (accessor_decl {{.*}} access=internal set for="computedVarGetterModify"
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dynamic var computedVarGetterModify : Int {
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get {
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return 0
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}
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_modify {
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}
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}
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// CHECK: (var_decl {{.*}} "computedVarReadSet" interface type="Int" access=internal dynamic readImpl=read_coroutine writeImpl=setter readWriteImpl=materialize_to_temporary
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _read for="computedVarReadSet"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic set for="computedVarReadSet"
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// CHECK: (accessor_decl {{.*}} access=internal get for="computedVarReadSet"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="computedVarReadSet"
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dynamic var computedVarReadSet : Int {
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_read {
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}
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set {
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}
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}
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// CHECK: (var_decl {{.*}} "computedVarReadModify" interface type="Int" access=internal dynamic readImpl=read_coroutine writeImpl=modify_coroutine readWriteImpl=modify_coroutine
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _read for="computedVarReadModify"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _modify for="computedVarReadModify"
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// CHECK: (accessor_decl {{.*}} access=internal get for="computedVarReadModify"
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// CHECK: (accessor_decl {{.*}} access=internal set for="computedVarReadModify"
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dynamic var computedVarReadModify : Int {
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_read {
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}
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_modify {
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}
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}
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// CHECK: (func_decl {{.*}} "aMethod(arg:)" {{.*}} access=internal dynamic
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dynamic func aMethod(arg: Int) -> Int {
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return arg
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}
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// CHECK-NOT: (func_decl {{.*}} "anotherMethod()" {{.*}} access=internal{{.*}} dynamic
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func anotherMethod() -> Int {
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return 3
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}
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// CHECK: (subscript_decl {{.*}} "subscript(_:)" {{.*}} access=internal dynamic readImpl=addressor writeImpl=mutable_addressor readWriteImpl=mutable_addressor
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// CHECK: (accessor_decl {{.*}} access=internal dynamic unsafeAddress for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic unsafeMutableAddress for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal get for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal set for="subscript(_:)"
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dynamic subscript(_ index: Int) -> Int {
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unsafeAddress {
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fatalError()
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}
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unsafeMutableAddress {
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fatalError()
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}
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}
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// CHECK: (subscript_decl {{.*}} "subscript(_:)" {{.*}} access=internal dynamic readImpl=getter writeImpl=mutable_addressor readWriteImpl=mutable_addressor
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// CHECK: (accessor_decl {{.*}} access=internal dynamic get for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic unsafeMutableAddress for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal set for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="subscript(_:)"
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dynamic subscript(_ index: Float) -> Int {
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get {
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return 1
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}
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unsafeMutableAddress {
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fatalError()
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}
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}
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// CHECK: (subscript_decl {{.*}} "subscript(_:)" {{.*}} access=internal dynamic readImpl=read_coroutine writeImpl=mutable_addressor readWriteImpl=mutable_addressor
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _read for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic unsafeMutableAddress for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal get for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal set for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="subscript(_:)"
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dynamic subscript(_ index: Double) -> Int {
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_read {
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}
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unsafeMutableAddress {
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fatalError()
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}
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}
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// CHECK: (subscript_decl {{.*}} "subscript(_:)" {{.*}} access=internal dynamic readImpl=addressor writeImpl=setter readWriteImpl=materialize_to_temporary
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// CHECK: (accessor_decl {{.*}} access=internal dynamic unsafeAddress for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic set for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal get for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal _modify for="subscript(_:)"
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dynamic subscript(_ index: Int8) -> Int {
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unsafeAddress {
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fatalError()
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}
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set {
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}
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}
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// CHECK: (subscript_decl {{.*}} "subscript(_:)" {{.*}} access=internal dynamic readImpl=addressor writeImpl=modify_coroutine readWriteImpl=modify_coroutine
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// CHECK: (accessor_decl {{.*}} access=internal dynamic unsafeAddress for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal dynamic _modify for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal get for="subscript(_:)"
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// CHECK: (accessor_decl {{.*}} access=internal set for="subscript(_:)"
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dynamic subscript(_ index: Int16) -> Int {
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unsafeAddress {
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fatalError()
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}
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_modify {
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}
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}
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}
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class SubKlass : Klass {
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// CHECK: (class_decl {{.*}} "SubKlass"
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// CHECK: (func_decl {{.*}} "aMethod(arg:)" interface type="(SubKlass) -> (Int) -> Int" access=internal {{.*}} dynamic
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override dynamic func aMethod(arg: Int) -> Int {
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return 23
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}
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// CHECK: (func_decl {{.*}} "anotherMethod()" interface type="(SubKlass) -> () -> Int" access=internal {{.*}} dynamic
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override dynamic func anotherMethod() -> Int {
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return 23
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}
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}
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