[FIR] Fix issue with multiple smartcasts of this.

This commit is contained in:
Mark Punzalan
2019-12-09 11:25:19 -08:00
committed by Dmitriy Novozhilov
parent 91f97fa611
commit f031b47363
5 changed files with 544 additions and 148 deletions
@@ -32,6 +32,8 @@ import org.jetbrains.kotlin.fir.symbols.CallableId
import org.jetbrains.kotlin.fir.symbols.impl.FirNamedFunctionSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
import org.jetbrains.kotlin.fir.types.*
import org.jetbrains.kotlin.fir.unwrapSmartcast
import org.jetbrains.kotlin.fir.unwrapWhenSubjectExpression
import org.jetbrains.kotlin.fir.visitors.transformSingle
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
@@ -838,23 +840,15 @@ class FirDataFlowAnalyzer(private val components: FirAbstractBodyResolveTransfor
private fun getOrCreateSyntheticVariable(fir: FirElement): SyntheticDataFlowVariable =
variableStorage.getOrCreateNewSyntheticVariable(fir)
private fun FirElement.unwrapWhenSubjectExpression(): FirElement = if (this is FirWhenSubjectExpression) {
val whenExpression = whenSubject.whenExpression
whenExpression.subjectVariable
?: whenExpression.subject
?: throw IllegalStateException("Subject or subject variable must be not null")
} else {
this
}
private fun getOrCreateRealVariable(fir: FirElement): RealDataFlowVariable? {
@Suppress("NAME_SHADOWING")
val fir = fir.unwrapWhenSubjectExpression()
if (fir is FirThisReceiverExpressionImpl) {
return variableStorage.getOrCreateNewThisRealVariable(fir.calleeReference.boundSymbol ?: return null)
val fir = fir.unwrapWhenSubjectExpression().unwrapSmartcast()
val symbol = fir.resolvedSymbol ?: return null
return when {
fir is FirThisReceiverExpressionImpl -> variableStorage.getOrCreateNewThisRealVariable(symbol)
symbol is FirVariableSymbol<*> -> variableStorage.getOrCreateNewRealVariable(symbol).variableUnderAlias
else -> null
}
val symbol = fir.resolvedSymbol as? FirVariableSymbol<*> ?: return null
return variableStorage.getOrCreateNewRealVariable(symbol).variableUnderAlias
}
private fun getOrCreateVariable(fir: FirElement): DataFlowVariable {
@@ -21,77 +21,89 @@ digraph implicitReceivers_kt {
subgraph cluster_2 {
color=red
4 [label="Enter function with" style="filled" fillcolor=red];
5 [label="Exit function with" style="filled" fillcolor=red];
4 [label="Enter function <init>" style="filled" fillcolor=red];
5 [label="Exit function <init>" style="filled" fillcolor=red];
}
4 -> {5};
subgraph cluster_3 {
color=red
6 [label="Enter function test_1" style="filled" fillcolor=red];
subgraph cluster_4 {
color=blue
7 [label="Enter when"];
subgraph cluster_5 {
color=blue
8 [label="Enter when branch condition "];
9 [label="Access variable this@R|/test_1|"];
10 [label="Type operator: this is A"];
11 [label="Exit when branch condition"];
}
subgraph cluster_6 {
color=blue
12 [label="Enter when branch condition else"];
13 [label="Exit when branch condition"];
}
14 [label="Enter when branch result"];
subgraph cluster_7 {
color=blue
15 [label="Enter block"];
16 [label="Access variable this@R|/test_1|"];
17 [label="Function call: this@R|/test_1|.<Unresolved name: foo>#()"];
18 [label="Function call: <Unresolved name: foo>#()"];
19 [label="Exit block"];
}
20 [label="Exit when branch result"];
21 [label="Enter when branch result"];
subgraph cluster_8 {
color=blue
22 [label="Enter block"];
23 [label="Access variable this@R|/test_1|"];
24 [label="Function call: this@R|/test_1|.R|/A.foo|()"];
25 [label="Function call: this@R|/A|.R|/A.foo|()"];
26 [label="Exit block"];
}
27 [label="Exit when branch result"];
28 [label="Exit when"];
}
29 [label="Access variable this@R|/test_1|"];
30 [label="Function call: this@R|/test_1|.<Unresolved name: foo>#()"];
31 [label="Function call: <Unresolved name: foo>#()"];
32 [label="Exit function test_1" style="filled" fillcolor=red];
6 [label="Enter function bar" style="filled" fillcolor=red];
7 [label="Exit function bar" style="filled" fillcolor=red];
}
6 -> {7};
7 -> {8};
subgraph cluster_4 {
color=red
8 [label="Enter function with" style="filled" fillcolor=red];
9 [label="Exit function with" style="filled" fillcolor=red];
}
8 -> {9};
9 -> {10};
subgraph cluster_5 {
color=red
10 [label="Enter function test_1" style="filled" fillcolor=red];
subgraph cluster_6 {
color=blue
11 [label="Enter when"];
subgraph cluster_7 {
color=blue
12 [label="Enter when branch condition "];
13 [label="Access variable this@R|/test_1|"];
14 [label="Type operator: this is A"];
15 [label="Exit when branch condition"];
}
subgraph cluster_8 {
color=blue
16 [label="Enter when branch condition else"];
17 [label="Exit when branch condition"];
}
18 [label="Enter when branch result"];
subgraph cluster_9 {
color=blue
19 [label="Enter block"];
20 [label="Access variable this@R|/test_1|"];
21 [label="Function call: this@R|/test_1|.<Unresolved name: foo>#()"];
22 [label="Function call: <Unresolved name: foo>#()"];
23 [label="Exit block"];
}
24 [label="Exit when branch result"];
25 [label="Enter when branch result"];
subgraph cluster_10 {
color=blue
26 [label="Enter block"];
27 [label="Access variable this@R|/test_1|"];
28 [label="Function call: this@R|/test_1|.R|/A.foo|()"];
29 [label="Function call: this@R|/A|.R|/A.foo|()"];
30 [label="Exit block"];
}
31 [label="Exit when branch result"];
32 [label="Exit when"];
}
33 [label="Access variable this@R|/test_1|"];
34 [label="Function call: this@R|/test_1|.<Unresolved name: foo>#()"];
35 [label="Function call: <Unresolved name: foo>#()"];
36 [label="Exit function test_1" style="filled" fillcolor=red];
}
10 -> {11};
11 -> {21 12};
11 -> {12};
12 -> {13};
13 -> {14};
14 -> {15};
15 -> {16};
15 -> {25 16};
16 -> {17};
17 -> {18};
18 -> {19};
19 -> {20};
20 -> {28};
20 -> {21};
21 -> {22};
22 -> {23};
23 -> {24};
24 -> {25};
24 -> {32};
25 -> {26};
26 -> {27};
27 -> {28};
@@ -99,72 +111,72 @@ digraph implicitReceivers_kt {
29 -> {30};
30 -> {31};
31 -> {32};
subgraph cluster_9 {
color=red
33 [label="Enter function test_2" style="filled" fillcolor=red];
subgraph cluster_10 {
color=blue
34 [label="Enter when"];
subgraph cluster_11 {
color=blue
35 [label="Enter when branch condition "];
36 [label="Access variable this@R|/test_2|"];
37 [label="Type operator: this !is A"];
38 [label="Exit when branch condition"];
}
subgraph cluster_12 {
color=blue
39 [label="Enter when branch condition else"];
40 [label="Exit when branch condition"];
}
41 [label="Enter when branch result"];
subgraph cluster_13 {
color=blue
42 [label="Enter block"];
43 [label="Access variable this@R|/test_2|"];
44 [label="Function call: this@R|/test_2|.R|/A.foo|()"];
45 [label="Function call: this@R|/A|.R|/A.foo|()"];
46 [label="Exit block"];
}
47 [label="Exit when branch result"];
48 [label="Enter when branch result"];
subgraph cluster_14 {
color=blue
49 [label="Enter block"];
50 [label="Access variable this@R|/test_2|"];
51 [label="Function call: this@R|/test_2|.<Unresolved name: foo>#()"];
52 [label="Function call: <Unresolved name: foo>#()"];
53 [label="Exit block"];
}
54 [label="Exit when branch result"];
55 [label="Exit when"];
}
56 [label="Access variable this@R|/test_2|"];
57 [label="Function call: this@R|/test_2|.<Unresolved name: foo>#()"];
58 [label="Function call: <Unresolved name: foo>#()"];
59 [label="Exit function test_2" style="filled" fillcolor=red];
}
32 -> {33};
33 -> {34};
34 -> {35};
35 -> {36};
36 -> {37};
subgraph cluster_11 {
color=red
37 [label="Enter function test_2" style="filled" fillcolor=red];
subgraph cluster_12 {
color=blue
38 [label="Enter when"];
subgraph cluster_13 {
color=blue
39 [label="Enter when branch condition "];
40 [label="Access variable this@R|/test_2|"];
41 [label="Type operator: this !is A"];
42 [label="Exit when branch condition"];
}
subgraph cluster_14 {
color=blue
43 [label="Enter when branch condition else"];
44 [label="Exit when branch condition"];
}
45 [label="Enter when branch result"];
subgraph cluster_15 {
color=blue
46 [label="Enter block"];
47 [label="Access variable this@R|/test_2|"];
48 [label="Function call: this@R|/test_2|.R|/A.foo|()"];
49 [label="Function call: this@R|/A|.R|/A.foo|()"];
50 [label="Exit block"];
}
51 [label="Exit when branch result"];
52 [label="Enter when branch result"];
subgraph cluster_16 {
color=blue
53 [label="Enter block"];
54 [label="Access variable this@R|/test_2|"];
55 [label="Function call: this@R|/test_2|.<Unresolved name: foo>#()"];
56 [label="Function call: <Unresolved name: foo>#()"];
57 [label="Exit block"];
}
58 [label="Exit when branch result"];
59 [label="Exit when"];
}
60 [label="Access variable this@R|/test_2|"];
61 [label="Function call: this@R|/test_2|.<Unresolved name: foo>#()"];
62 [label="Function call: <Unresolved name: foo>#()"];
63 [label="Exit function test_2" style="filled" fillcolor=red];
}
37 -> {38};
38 -> {48 39};
38 -> {39};
39 -> {40};
40 -> {41};
41 -> {42};
42 -> {43};
42 -> {52 43};
43 -> {44};
44 -> {45};
45 -> {46};
46 -> {47};
47 -> {55};
47 -> {48};
48 -> {49};
49 -> {50};
50 -> {51};
51 -> {52};
51 -> {59};
52 -> {53};
53 -> {54};
54 -> {55};
@@ -172,41 +184,45 @@ digraph implicitReceivers_kt {
56 -> {57};
57 -> {58};
58 -> {59};
59 -> {60};
60 -> {61};
61 -> {62};
62 -> {63};
subgraph cluster_15 {
subgraph cluster_17 {
color=red
60 [label="Enter function test_3" style="filled" fillcolor=red];
61 [label="Access variable R|<local>/a|"];
subgraph cluster_16 {
64 [label="Enter function test_3" style="filled" fillcolor=red];
65 [label="Access variable R|<local>/a|"];
subgraph cluster_18 {
color=blue
62 [label="Enter function anonymousFunction"];
63 [label="Access variable R|<local>/b|"];
subgraph cluster_17 {
66 [label="Enter function anonymousFunction"];
67 [label="Access variable R|<local>/b|"];
subgraph cluster_19 {
color=blue
64 [label="Enter function anonymousFunction"];
65 [label="Access variable R|<local>/c|"];
subgraph cluster_18 {
68 [label="Enter function anonymousFunction"];
69 [label="Access variable R|<local>/c|"];
subgraph cluster_20 {
color=blue
66 [label="Enter function anonymousFunction"];
67 [label="Access variable this@R|special/anonymous|"];
68 [label="Type operator: this@wb as A"];
69 [label="Access variable this@R|special/anonymous|"];
70 [label="Function call: this@R|special/anonymous|.R|/A.foo|()"];
71 [label="Function call: this@R|/A|.R|/A.foo|()"];
72 [label="Exit function anonymousFunction"];
70 [label="Enter function anonymousFunction"];
71 [label="Access variable this@R|special/anonymous|"];
72 [label="Type operator: this@wb as A"];
73 [label="Access variable this@R|special/anonymous|"];
74 [label="Function call: this@R|special/anonymous|.R|/A.foo|()"];
75 [label="Function call: this@R|/A|.R|/A.foo|()"];
76 [label="Exit function anonymousFunction"];
}
73 [label="Function call: R|kotlin/with|<R|kotlin/Any|, R|kotlin/Unit|>(R|<local>/c|, <L> = wc@fun R|kotlin/Any|.<anonymous>(): R|kotlin/Unit| <kind=EXACTLY_ONCE> {
77 [label="Function call: R|kotlin/with|<R|kotlin/Any|, R|kotlin/Unit|>(R|<local>/c|, <L> = wc@fun R|kotlin/Any|.<anonymous>(): R|kotlin/Unit| <kind=EXACTLY_ONCE> {
(this@R|special/anonymous| as R|A|)
this@R|special/anonymous|.R|/A.foo|()
this@R|/A|.R|/A.foo|()
}
)"];
74 [label="Access variable this@R|special/anonymous|"];
75 [label="Function call: this@R|special/anonymous|.R|/A.foo|()"];
76 [label="Function call: this@R|/A|.R|/A.foo|()"];
77 [label="Exit function anonymousFunction"];
78 [label="Access variable this@R|special/anonymous|"];
79 [label="Function call: this@R|special/anonymous|.R|/A.foo|()"];
80 [label="Function call: this@R|/A|.R|/A.foo|()"];
81 [label="Exit function anonymousFunction"];
}
78 [label="Function call: R|kotlin/with|<R|kotlin/Any|, R|kotlin/Unit|>(R|<local>/b|, <L> = wb@fun R|kotlin/Any|.<anonymous>(): R|kotlin/Unit| <kind=EXACTLY_ONCE> {
82 [label="Function call: R|kotlin/with|<R|kotlin/Any|, R|kotlin/Unit|>(R|<local>/b|, <L> = wb@fun R|kotlin/Any|.<anonymous>(): R|kotlin/Unit| <kind=EXACTLY_ONCE> {
R|kotlin/with|<R|kotlin/Any|, R|kotlin/Unit|>(R|<local>/c|, <L> = wc@fun R|kotlin/Any|.<anonymous>(): R|kotlin/Unit| <kind=EXACTLY_ONCE> {
(this@R|special/anonymous| as R|A|)
this@R|special/anonymous|.R|/A.foo|()
@@ -217,9 +233,9 @@ digraph implicitReceivers_kt {
this@R|/A|.R|/A.foo|()
}
)"];
79 [label="Exit function anonymousFunction"];
83 [label="Exit function anonymousFunction"];
}
80 [label="Function call: R|kotlin/with|<R|kotlin/Any|, R|kotlin/Unit|>(R|<local>/a|, <L> = wa@fun R|kotlin/Any|.<anonymous>(): R|kotlin/Unit| <kind=EXACTLY_ONCE> {
84 [label="Function call: R|kotlin/with|<R|kotlin/Any|, R|kotlin/Unit|>(R|<local>/a|, <L> = wa@fun R|kotlin/Any|.<anonymous>(): R|kotlin/Unit| <kind=EXACTLY_ONCE> {
R|kotlin/with|<R|kotlin/Any|, R|kotlin/Unit|>(R|<local>/b|, <L> = wb@fun R|kotlin/Any|.<anonymous>(): R|kotlin/Unit| <kind=EXACTLY_ONCE> {
R|kotlin/with|<R|kotlin/Any|, R|kotlin/Unit|>(R|<local>/c|, <L> = wc@fun R|kotlin/Any|.<anonymous>(): R|kotlin/Unit| <kind=EXACTLY_ONCE> {
(this@R|special/anonymous| as R|A|)
@@ -233,13 +249,9 @@ digraph implicitReceivers_kt {
)
}
)"];
81 [label="Exit function test_3" style="filled" fillcolor=red];
85 [label="Exit function test_3" style="filled" fillcolor=red];
}
60 -> {61};
61 -> {62};
62 -> {63};
63 -> {64};
64 -> {65};
65 -> {66};
66 -> {67};
@@ -257,5 +269,278 @@ digraph implicitReceivers_kt {
78 -> {79};
79 -> {80};
80 -> {81};
81 -> {82};
82 -> {83};
83 -> {84};
84 -> {85};
subgraph cluster_21 {
color=red
86 [label="Enter function test_4" style="filled" fillcolor=red];
subgraph cluster_22 {
color=blue
87 [label="Enter when"];
subgraph cluster_23 {
color=blue
88 [label="Enter when branch condition "];
89 [label="Access variable this@R|/test_4|"];
90 [label="Type operator: this !is A"];
91 [label="Exit when branch condition"];
}
subgraph cluster_24 {
color=blue
92 [label="Enter when branch condition else"];
93 [label="Exit when branch condition"];
}
94 [label="Enter when branch result"];
subgraph cluster_25 {
color=blue
95 [label="Enter block"];
subgraph cluster_26 {
color=blue
96 [label="Enter when"];
subgraph cluster_27 {
color=blue
97 [label="Enter when branch condition "];
98 [label="Access variable this@R|/test_4|"];
99 [label="Type operator: this !is B"];
100 [label="Exit when branch condition"];
}
subgraph cluster_28 {
color=blue
101 [label="Enter when branch condition else"];
102 [label="Exit when branch condition"];
}
103 [label="Enter when branch result"];
subgraph cluster_29 {
color=blue
104 [label="Enter block"];
105 [label="Access variable this@R|/test_4|"];
106 [label="Function call: this@R|/test_4|.R|/A.foo|()"];
107 [label="Function call: this@R|/A|.R|/A.foo|()"];
108 [label="Access variable this@R|/test_4|"];
109 [label="Function call: this@R|/test_4|.R|/B.bar|()"];
110 [label="Function call: this@R|/B|.R|/B.bar|()"];
111 [label="Exit block"];
}
112 [label="Exit when branch result"];
113 [label="Enter when branch result"];
subgraph cluster_30 {
color=blue
114 [label="Enter block"];
115 [label="Access variable this@R|/test_4|"];
116 [label="Function call: this@R|/test_4|.<Unresolved name: bar>#()"];
117 [label="Function call: <Unresolved name: bar>#()"];
118 [label="Access variable this@R|/test_4|"];
119 [label="Function call: this@R|/test_4|.R|/A.foo|()"];
120 [label="Function call: this@R|/A|.R|/A.foo|()"];
121 [label="Exit block"];
}
122 [label="Exit when branch result"];
123 [label="Exit when"];
}
124 [label="Exit block"];
}
125 [label="Exit when branch result"];
126 [label="Enter when branch result"];
subgraph cluster_31 {
color=blue
127 [label="Enter block"];
128 [label="Access variable this@R|/test_4|"];
129 [label="Function call: this@R|/test_4|.<Unresolved name: foo>#()"];
130 [label="Function call: <Unresolved name: foo>#()"];
131 [label="Access variable this@R|/test_4|"];
132 [label="Function call: this@R|/test_4|.<Unresolved name: bar>#()"];
133 [label="Function call: <Unresolved name: bar>#()"];
134 [label="Exit block"];
}
135 [label="Exit when branch result"];
136 [label="Exit when"];
}
137 [label="Access variable this@R|/test_4|"];
138 [label="Function call: this@R|/test_4|.<Unresolved name: foo>#()"];
139 [label="Function call: <Unresolved name: foo>#()"];
140 [label="Access variable this@R|/test_4|"];
141 [label="Function call: this@R|/test_4|.<Unresolved name: bar>#()"];
142 [label="Function call: <Unresolved name: bar>#()"];
143 [label="Exit function test_4" style="filled" fillcolor=red];
}
86 -> {87};
87 -> {88};
88 -> {89};
89 -> {90};
90 -> {91};
91 -> {126 92};
92 -> {93};
93 -> {94};
94 -> {95};
95 -> {96};
96 -> {97};
97 -> {98};
98 -> {99};
99 -> {100};
100 -> {113 101};
101 -> {102};
102 -> {103};
103 -> {104};
104 -> {105};
105 -> {106};
106 -> {107};
107 -> {108};
108 -> {109};
109 -> {110};
110 -> {111};
111 -> {112};
112 -> {123};
113 -> {114};
114 -> {115};
115 -> {116};
116 -> {117};
117 -> {118};
118 -> {119};
119 -> {120};
120 -> {121};
121 -> {122};
122 -> {123};
123 -> {124};
124 -> {125};
125 -> {136};
126 -> {127};
127 -> {128};
128 -> {129};
129 -> {130};
130 -> {131};
131 -> {132};
132 -> {133};
133 -> {134};
134 -> {135};
135 -> {136};
136 -> {137};
137 -> {138};
138 -> {139};
139 -> {140};
140 -> {141};
141 -> {142};
142 -> {143};
subgraph cluster_32 {
color=red
144 [label="Enter function test_5" style="filled" fillcolor=red];
subgraph cluster_33 {
color=blue
145 [label="Enter when"];
subgraph cluster_34 {
color=blue
146 [label="Enter when branch condition "];
147 [label="Access variable this@R|/test_5|"];
148 [label="Type operator: this is List<*>"];
149 [label="Exit when branch condition"];
}
subgraph cluster_35 {
color=blue
150 [label="Enter when branch condition "];
151 [label="Access variable this@R|/test_5|"];
152 [label="Type operator: this is String"];
153 [label="Exit when branch condition"];
}
subgraph cluster_36 {
color=blue
154 [label="Enter when branch condition else"];
155 [label="Exit when branch condition"];
}
156 [label="Enter when branch result"];
subgraph cluster_37 {
color=blue
157 [label="Enter block"];
158 [label="Const: Int(0)"];
159 [label="Exit block"];
}
160 [label="Exit when branch result"];
161 [label="Enter when branch result"];
subgraph cluster_38 {
color=blue
162 [label="Enter block"];
163 [label="Access variable R|kotlin/String.length|"];
164 [label="Exit block"];
}
165 [label="Exit when branch result"];
166 [label="Enter when branch result"];
subgraph cluster_39 {
color=blue
167 [label="Enter block"];
168 [label="Access variable R|kotlin/collections/List.size|"];
169 [label="Exit block"];
}
170 [label="Exit when branch result"];
171 [label="Exit when"];
}
172 [label="Jump: ^test_5 when () {
(this@R|/test_5| is R|kotlin/collections/List<*>|) -> {
this@R|kotlin/collections/List|.R|kotlin/collections/List.size|
}
(this@R|/test_5| is R|kotlin/String|) -> {
this@R|kotlin/String|.R|kotlin/String.length|
}
else -> {
Int(0)
}
}
"];
173 [label="Stub" style="filled" fillcolor=gray];
174 [label="Exit function test_5" style="filled" fillcolor=red];
}
144 -> {145};
145 -> {146};
146 -> {147};
147 -> {148};
148 -> {149};
149 -> {166 150};
150 -> {151};
151 -> {152};
152 -> {153};
153 -> {161 154};
154 -> {155};
155 -> {156};
156 -> {157};
157 -> {158};
158 -> {159};
159 -> {160};
160 -> {171};
161 -> {162};
162 -> {163};
163 -> {164};
164 -> {165};
165 -> {171};
166 -> {167};
167 -> {168};
168 -> {169};
169 -> {170};
170 -> {171};
171 -> {172};
172 -> {174};
172 -> {173} [style=dotted];
173 -> {174} [style=dotted];
subgraph cluster_40 {
color=red
175 [label="Enter function test_6" style="filled" fillcolor=red];
176 [label="Access variable this@R|/test_6|"];
177 [label="Type operator: this as List<*>"];
178 [label="Access variable R|kotlin/collections/List.size|"];
179 [label="Access variable this@R|/test_6|"];
180 [label="Type operator: this as String"];
181 [label="Access variable R|kotlin/String.length|"];
182 [label="Exit function test_6" style="filled" fillcolor=red];
}
175 -> {176};
176 -> {177};
177 -> {178};
178 -> {179};
179 -> {180};
180 -> {181};
181 -> {182};
}
@@ -2,6 +2,10 @@ class A {
fun foo() {}
}
class B {
fun bar() {}
}
fun <T> T.with(block: T.() -> Unit) {}
fun Any?.test_1() {
@@ -28,7 +32,6 @@ fun Any?.test_2() {
<!UNRESOLVED_REFERENCE!>foo<!>()
}
fun test_3(a: Any, b: Any, c: Any) {
with(a) wa@{
with(b) wb@{
@@ -41,4 +44,40 @@ fun test_3(a: Any, b: Any, c: Any) {
foo()
}
}
}
fun Any?.test_4() {
if (this !is A) {
this.<!UNRESOLVED_REFERENCE!>foo<!>()
<!UNRESOLVED_REFERENCE!>foo<!>()
this.<!UNRESOLVED_REFERENCE!>bar<!>()
<!UNRESOLVED_REFERENCE!>bar<!>()
} else if (this !is B) {
this.<!UNRESOLVED_REFERENCE!>bar<!>()
<!UNRESOLVED_REFERENCE!>bar<!>()
this.foo()
foo()
} else {
this.foo()
foo()
this.bar()
bar()
}
this.<!UNRESOLVED_REFERENCE!>foo<!>()
<!UNRESOLVED_REFERENCE!>foo<!>()
this.<!UNRESOLVED_REFERENCE!>bar<!>()
<!UNRESOLVED_REFERENCE!>bar<!>()
}
fun Any.test_5(): Int = when {
this is List<*> -> size
this is String -> length
else -> 0
}
fun Any.test_6() {
this as List<*>
size
this as String
length
}
@@ -7,6 +7,15 @@ FILE: implicitReceivers.kt
public final fun foo(): R|kotlin/Unit| {
}
}
public final class B : R|kotlin/Any| {
public constructor(): R|B| {
super<R|kotlin/Any|>()
}
public final fun bar(): R|kotlin/Unit| {
}
}
public final fun <T> R|T|.with(block: R|T.() -> kotlin/Unit|): R|kotlin/Unit| {
}
@@ -56,3 +65,55 @@ FILE: implicitReceivers.kt
}
)
}
public final fun R|kotlin/Any?|.test_4(): R|kotlin/Unit| {
when () {
(this@R|/test_4| !is R|A|) -> {
this@R|/test_4|.<Unresolved name: foo>#()
<Unresolved name: foo>#()
this@R|/test_4|.<Unresolved name: bar>#()
<Unresolved name: bar>#()
}
else -> {
when () {
(this@R|/test_4| !is R|B|) -> {
this@R|/test_4|.<Unresolved name: bar>#()
<Unresolved name: bar>#()
this@R|/test_4|.R|/A.foo|()
this@R|/A|.R|/A.foo|()
}
else -> {
this@R|/test_4|.R|/A.foo|()
this@R|/A|.R|/A.foo|()
this@R|/test_4|.R|/B.bar|()
this@R|/B|.R|/B.bar|()
}
}
}
}
this@R|/test_4|.<Unresolved name: foo>#()
<Unresolved name: foo>#()
this@R|/test_4|.<Unresolved name: bar>#()
<Unresolved name: bar>#()
}
public final fun R|kotlin/Any|.test_5(): R|kotlin/Int| {
^test_5 when () {
(this@R|/test_5| is R|kotlin/collections/List<*>|) -> {
this@R|kotlin/collections/List|.R|kotlin/collections/List.size|
}
(this@R|/test_5| is R|kotlin/String|) -> {
this@R|kotlin/String|.R|kotlin/String.length|
}
else -> {
Int(0)
}
}
}
public final fun R|kotlin/Any|.test_6(): R|kotlin/Unit| {
(this@R|/test_6| as R|kotlin/collections/List<*>|)
this@R|kotlin/collections/List|.R|kotlin/collections/List.size|
(this@R|/test_6| as R|kotlin/String|)
this@R|kotlin/String|.R|kotlin/String.length|
}
@@ -8,9 +8,26 @@ package org.jetbrains.kotlin.fir
import org.jetbrains.kotlin.analyzer.ModuleInfo
import org.jetbrains.kotlin.fir.expressions.FirBlock
import org.jetbrains.kotlin.fir.expressions.FirExpression
import org.jetbrains.kotlin.fir.expressions.FirExpressionWithSmartcast
import org.jetbrains.kotlin.fir.expressions.FirWhenSubjectExpression
import org.jetbrains.kotlin.fir.visitors.FirTransformer
fun ModuleInfo.dependenciesWithoutSelf(): Sequence<ModuleInfo> = dependencies().asSequence().filter { it != this }
// TODO: rewrite
fun FirBlock.returnExpressions(): List<FirExpression> = listOfNotNull(statements.lastOrNull() as? FirExpression)
fun FirBlock.returnExpressions(): List<FirExpression> = listOfNotNull(statements.lastOrNull() as? FirExpression)
fun FirElement.unwrapWhenSubjectExpression(): FirElement = if (this is FirWhenSubjectExpression) {
val whenExpression = whenSubject.whenExpression
whenExpression.subjectVariable
?: whenExpression.subject
?: throw IllegalStateException("Subject or subject variable must be not null")
} else {
this
}
tailrec fun FirElement.unwrapSmartcast(): FirElement = if (this is FirExpressionWithSmartcast) {
originalExpression.unwrapSmartcast()
} else {
this
}