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:
committed by
teamcityserver
parent
c047adbaec
commit
765cad8448
@@ -204,7 +204,7 @@ digraph complex_kt {
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color=blue
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62 [label="Enter loop condition"];
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63 [label="Access variable R|<local>/<iterator>|"];
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64 [label="Function call: R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()"];
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64 [label="Function call: R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/Iterator.hasNext: R|kotlin/Boolean|>|()"];
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65 [label="Exit loop condition"];
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}
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subgraph cluster_23 {
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@@ -27,7 +27,7 @@ FILE: complex.kt
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public final inline fun <reified T : R|kotlin/Any|> R|kotlin/collections/List<*>|.firstIsInstanceOrNull(): R|T?| {
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{
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lval <iterator>: R|kotlin/collections/Iterator<kotlin/Any?>| = this@R|/firstIsInstanceOrNull|.R|SubstitutionOverride<kotlin/collections/List.iterator: R|kotlin/collections/Iterator<CapturedType(*)>|>|()
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while(R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()) {
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while(R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/Iterator.hasNext: R|kotlin/Boolean|>|()) {
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lval element: R|kotlin/Any?| = R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/Iterator.next: R|kotlin/Any?|>|()
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when () {
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(R|<local>/element| is R|T|) -> {
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@@ -133,7 +133,7 @@ digraph loops_kt {
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color=blue
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45 [label="Enter loop condition"];
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46 [label="Access variable R|<local>/<iterator>|"];
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47 [label="Function call: R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()"];
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47 [label="Function call: R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/IntIterator.hasNext: R|kotlin/Boolean|>|()"];
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48 [label="Exit loop condition"];
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}
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subgraph cluster_17 {
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@@ -16,7 +16,7 @@ FILE: loops.kt
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public final fun testFor(x: R|kotlin/Any?|): R|kotlin/Unit| {
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{
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lval <iterator>: R|kotlin/collections/IntIterator| = Int(0).R|kotlin/Int.rangeTo|(Int(5)).R|kotlin/ranges/IntProgression.iterator|()
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while(R|<local>/<iterator>|.R|kotlin/collections/Iterator.hasNext|()) {
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while(R|<local>/<iterator>|.R|SubstitutionOverride<kotlin/collections/IntIterator.hasNext: R|kotlin/Boolean|>|()) {
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lval i: R|kotlin/Int| = R|<local>/<iterator>|.R|kotlin/collections/IntIterator.next|()
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lval y: R|kotlin/Boolean| = (R|<local>/x| is R|kotlin/String|)
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}
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