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
@@ -204,7 +204,7 @@ digraph complex_kt {
color=blue
62 [label="Enter loop condition"];
63 [label="Access variable R|<local>/<iterator>|"];
64 [label="Function call: R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()"];
64 [label="Function call: R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/Iterator.hasNext: R|kotlin/Boolean|>|()"];
65 [label="Exit loop condition"];
}
subgraph cluster_23 {
@@ -27,7 +27,7 @@ FILE: complex.kt
public final inline fun <reified T : R|kotlin/Any|> R|kotlin/collections/List<*>|.firstIsInstanceOrNull(): R|T?| {
{
lval <iterator>: R|kotlin/collections/Iterator<kotlin/Any?>| = this@R|/firstIsInstanceOrNull|.R|SubstitutionOverride<kotlin/collections/List.iterator: R|kotlin/collections/Iterator<CapturedType(*)>|>|()
while(R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()) {
while(R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/Iterator.hasNext: R|kotlin/Boolean|>|()) {
lval element: R|kotlin/Any?| = R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/Iterator.next: R|kotlin/Any?|>|()
when () {
(R|<local>/element| is R|T|) -> {
+1 -1
View File
@@ -133,7 +133,7 @@ digraph loops_kt {
color=blue
45 [label="Enter loop condition"];
46 [label="Access variable R|<local>/<iterator>|"];
47 [label="Function call: R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()"];
47 [label="Function call: R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/IntIterator.hasNext: R|kotlin/Boolean|>|()"];
48 [label="Exit loop condition"];
}
subgraph cluster_17 {
@@ -16,7 +16,7 @@ FILE: loops.kt
public final fun testFor(x: R|kotlin/Any?|): R|kotlin/Unit| {
{
lval <iterator>: R|kotlin/collections/IntIterator| = Int(0).R|kotlin/Int.rangeTo|(Int(5)).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|()
lval y: R|kotlin/Boolean| = (R|<local>/x| is R|kotlin/String|)
}