FIR checker: substitute type parameters in dispatch receiver type

Consider the following code:

```
fun test(a: List<String>) {
  a.first()
}
```

The dispatch receiver type of `first` in this case is `List<T>` before
this change. After this change, it's `List<String>`.

In addition, this change also replace the dispatch receiver type with
the more specific type if available. For example, consider the following

```
class MyList: ArrayList<String>()

fun test(a: MyList) {
  a.get(0)
}
```
The dispatch receiver type of `get` is `MyList`, instead of
`ArrayList<String>`. That is, a fake override is created in this case.
This commit is contained in:
Tianyu Geng
2021-08-06 14:56:37 -07:00
committed by teamcityserver
parent c047adbaec
commit 765cad8448
61 changed files with 342 additions and 145 deletions
@@ -2,7 +2,7 @@ FILE: NoWarning.kt
public final fun foo(): R|kotlin/Unit| {
{
lval <iterator>: R|kotlin/collections/IntIterator| = Int(1).R|kotlin/Int.rangeTo|(Int(2)).R|kotlin/ranges/IntProgression.iterator|()
while(R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()) {
while(R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/IntIterator.hasNext: R|kotlin/Boolean|>|()) {
lval i: R|kotlin/Int| = R|<local>/<iterator>|.R|kotlin/collections/IntIterator.next|()
}
@@ -19,7 +19,7 @@ FILE: NoWarning.kt
public final fun backward(): R|kotlin/Unit| {
{
lval <iterator>: R|kotlin/collections/IntIterator| = Int(2).R|kotlin/ranges/downTo|(Int(1)).R|kotlin/ranges/IntProgression.iterator|()
while(R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()) {
while(R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/IntIterator.hasNext: R|kotlin/Boolean|>|()) {
lval i: R|kotlin/Int| = R|<local>/<iterator>|.R|kotlin/collections/IntIterator.next|()
}
@@ -36,7 +36,7 @@ FILE: NoWarning.kt
public final fun until(): R|kotlin/Unit| {
{
lval <iterator>: R|kotlin/collections/IntIterator| = Int(1).R|kotlin/ranges/until|(Int(2)).R|kotlin/ranges/IntProgression.iterator|()
while(R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()) {
while(R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/IntIterator.hasNext: R|kotlin/Boolean|>|()) {
lval i: R|kotlin/Int| = R|<local>/<iterator>|.R|kotlin/collections/IntIterator.next|()
}
@@ -2,7 +2,7 @@ FILE: Warning.kt
public final fun foo(): R|kotlin/Unit| {
{
lval <iterator>: R|kotlin/collections/IntIterator| = Int(2).R|kotlin/Int.rangeTo|(Int(1)).R|kotlin/ranges/IntProgression.iterator|()
while(R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()) {
while(R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/IntIterator.hasNext: R|kotlin/Boolean|>|()) {
lval i: R|kotlin/Int| = R|<local>/<iterator>|.R|kotlin/collections/IntIterator.next|()
}
@@ -19,7 +19,7 @@ FILE: Warning.kt
public final fun backward(): R|kotlin/Unit| {
{
lval <iterator>: R|kotlin/collections/IntIterator| = Int(1).R|kotlin/ranges/downTo|(Int(2)).R|kotlin/ranges/IntProgression.iterator|()
while(R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()) {
while(R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/IntIterator.hasNext: R|kotlin/Boolean|>|()) {
lval i: R|kotlin/Int| = R|<local>/<iterator>|.R|kotlin/collections/IntIterator.next|()
}
@@ -36,7 +36,7 @@ FILE: Warning.kt
public final fun until(): R|kotlin/Unit| {
{
lval <iterator>: R|kotlin/collections/IntIterator| = Int(1).R|kotlin/ranges/until|(Int(1)).R|kotlin/ranges/IntProgression.iterator|()
while(R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()) {
while(R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/IntIterator.hasNext: R|kotlin/Boolean|>|()) {
lval i: R|kotlin/Int| = R|<local>/<iterator>|.R|kotlin/collections/IntIterator.next|()
}