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Handle arrow operator (#3768)

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This change implements the check behavior for the arrow operator.

`ptr->Foo()` is rewritten as `(*ptr).Foo()` and `ptr->(X.y)` is
rewritten as `(*ptr).(X.y)`
This commit is contained in:
CJ Johnson
2024-03-18 17:40:00 +00:00
committed by GitHub
parent 4421a75c36
commit d0e8afc51b
17 changed files with 365 additions and 89 deletions
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toolchain/check/testdata/pointer/fail_deref_function.carbon
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+7 -1
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@@ -9,6 +9,10 @@ fn A() {
// CHECK:STDERR: *A;
// CHECK:STDERR: ^
*A;
// CHECK:STDERR: fail_deref_function.carbon:[[@LINE+3]]:3: ERROR: Expression cannot be used as a value.
// CHECK:STDERR: A->foo;
// CHECK:STDERR: ^
A->foo;
}
// CHECK:STDOUT: --- fail_deref_function.carbon
@@ -22,8 +26,10 @@ fn A() {
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %A.ref: <function> = name_ref A, file.%A [template = file.%A]
// CHECK:STDOUT: %A.ref.loc11: <function> = name_ref A, file.%A [template = file.%A]
// CHECK:STDOUT: %.loc11: ref <error> = deref <error>
// CHECK:STDOUT: %A.ref.loc15: <function> = name_ref A, file.%A [template = file.%A]
// CHECK:STDOUT: %.loc15: ref <error> = deref <error>
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: