[FIR] Properly support smartcasts on stable when subjects in when conditions

^KT-49860 Fixed
This commit is contained in:
Dmitriy Novozhilov
2021-11-24 17:14:21 +03:00
committed by teamcityserver
parent 20425fb458
commit 330574cab6
41 changed files with 1225 additions and 791 deletions
@@ -3657,6 +3657,12 @@ public class DiagnosisCompilerFirTestdataTestGenerated extends AbstractDiagnosis
public void testWhen() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/smartcasts/controlStructures/when.kt");
}
@Test
@TestMetadata("whenSubjectExpression.kt")
public void testWhenSubjectExpression() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/smartcasts/controlStructures/whenSubjectExpression.kt");
}
}
@Nested
@@ -3241,6 +3241,11 @@ public class LazyBodyIsNotTouchedTilContractsPhaseTestGenerated extends Abstract
public void testWhen() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/smartcasts/controlStructures/when.kt");
}
@TestMetadata("whenSubjectExpression.kt")
public void testWhenSubjectExpression() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/smartcasts/controlStructures/whenSubjectExpression.kt");
}
}
@TestMetadata("compiler/fir/analysis-tests/testData/resolve/smartcasts/lambdas")
@@ -66,43 +66,45 @@ digraph exhaustiveWhenAndDNNType_kt {
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@@ -116,8 +118,8 @@ digraph exhaustiveWhenAndDNNType_kt {
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@@ -126,9 +128,9 @@ digraph exhaustiveWhenAndDNNType_kt {
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@@ -292,26 +298,32 @@ digraph exhaustiveWhenAndDNNType_kt {
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}
@@ -234,108 +234,113 @@ digraph when_kt {
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color=blue
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214 [label="Access variable R|<local>/y|"];
215 [label="Function call: R|<local>/y|.R|kotlin/Int.inc|()"];
216 [label="Exit block"];
}
217 [label="Exit when branch result"];
218 [label="Enter when branch result"];
subgraph cluster_50 {
color=blue
219 [label="Enter block"];
220 [label="Access variable R|<local>/x|"];
221 [label="Function call: R|<local>/x|.R|/A.foo|()"];
222 [label="Access variable R|<local>/y|"];
223 [label="Function call: R|<local>/y|.R|/A.foo|()"];
224 [label="Exit block"];
}
225 [label="Exit when branch result"];
226 [label="Enter when branch result"];
subgraph cluster_51 {
color=blue
227 [label="Enter block"];
228 [label="Exit block"];
}
229 [label="Exit when branch result"];
230 [label="Exit when"];
}
231 [label="Exit block"];
}
232 [label="Exit function test_3" style="filled" fillcolor=red];
}
146 -> {147};
147 -> {148};
148 -> {149};
149 -> {150};
150 -> {151};
151 -> {152};
subgraph cluster_36 {
color=red
152 [label="Enter function test_3" style="filled" fillcolor=red];
subgraph cluster_37 {
color=blue
153 [label="Enter block"];
subgraph cluster_38 {
color=blue
154 [label="Enter when"];
155 [label="Access variable R|<local>/x|"];
156 [label="Variable declaration: lval y: R|kotlin/Any?|"];
subgraph cluster_39 {
color=blue
157 [label="Enter when branch condition "];
158 [label="Exit $subj"];
159 [label="Type operator: ($subj$ is R|A|)"];
160 [label="Exit when branch condition"];
}
subgraph cluster_40 {
color=blue
161 [label="Enter when branch condition "];
162 [label="Exit $subj"];
163 [label="Type operator: ($subj$ is R|B|)"];
164 [label="Exit when branch condition"];
}
165 [label="Synthetic else branch"];
166 [label="Enter when branch result"];
subgraph cluster_41 {
color=blue
167 [label="Enter block"];
168 [label="Access variable R|<local>/x|"];
169 [label="Function call: R|<local>/x|.R|/B.bar|()"];
170 [label="Access variable R|<local>/y|"];
171 [label="Function call: R|<local>/y|.R|/B.bar|()"];
172 [label="Exit block"];
}
173 [label="Exit when branch result"];
174 [label="Enter when branch result"];
subgraph cluster_42 {
color=blue
175 [label="Enter block"];
176 [label="Access variable R|<local>/x|"];
177 [label="Function call: R|<local>/x|.R|/A.foo|()"];
178 [label="Access variable R|<local>/y|"];
179 [label="Function call: R|<local>/y|.R|/A.foo|()"];
180 [label="Exit block"];
}
181 [label="Exit when branch result"];
182 [label="Exit when"];
}
subgraph cluster_43 {
color=blue
183 [label="Enter when"];
184 [label="Access variable R|<local>/x|"];
185 [label="Variable declaration: lval y: R|kotlin/Any?|"];
subgraph cluster_44 {
color=blue
186 [label="Enter when branch condition "];
187 [label="Exit $subj"];
188 [label="Type operator: ($subj$ !is R|A|)"];
189 [label="Exit when branch condition"];
}
subgraph cluster_45 {
color=blue
190 [label="Enter when branch condition "];
191 [label="Exit $subj"];
192 [label="Type operator: ($subj$ !is R|B|)"];
193 [label="Exit when branch condition"];
}
subgraph cluster_46 {
color=blue
194 [label="Enter when branch condition "];
195 [label="Exit $subj"];
196 [label="Type operator: ($subj$ is R|kotlin/Int|)"];
197 [label="Exit when branch condition"];
}
subgraph cluster_47 {
color=blue
198 [label="Enter when branch condition else"];
199 [label="Exit when branch condition"];
}
200 [label="Enter when branch result"];
subgraph cluster_48 {
color=blue
201 [label="Enter block"];
202 [label="Access variable R|<local>/x|"];
203 [label="Function call: R|<local>/x|.R|/A.foo|()"];
204 [label="Access variable R|<local>/x|"];
205 [label="Function call: R|<local>/x|.R|/B.bar|()"];
206 [label="Access variable R|<local>/y|"];
207 [label="Function call: R|<local>/y|.R|/A.foo|()"];
208 [label="Access variable R|<local>/y|"];
209 [label="Function call: R|<local>/y|.R|/B.bar|()"];
210 [label="Exit block"];
}
211 [label="Exit when branch result"];
212 [label="Enter when branch result"];
subgraph cluster_49 {
color=blue
213 [label="Enter block"];
214 [label="Access variable R|<local>/x|"];
215 [label="Function call: R|<local>/x|.R|/A.foo|()"];
216 [label="Access variable R|<local>/x|"];
217 [label="Function call: R|<local>/x|.R|/B.bar|()"];
218 [label="Access variable R|<local>/x|"];
219 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
220 [label="Access variable R|<local>/y|"];
221 [label="Function call: R|<local>/y|.R|/A.foo|()"];
222 [label="Access variable R|<local>/y|"];
223 [label="Function call: R|<local>/y|.R|/B.bar|()"];
224 [label="Access variable R|<local>/y|"];
225 [label="Function call: R|<local>/y|.R|kotlin/Int.inc|()"];
226 [label="Exit block"];
}
227 [label="Exit when branch result"];
228 [label="Enter when branch result"];
subgraph cluster_50 {
color=blue
229 [label="Enter block"];
230 [label="Access variable R|<local>/x|"];
231 [label="Function call: R|<local>/x|.R|/A.foo|()"];
232 [label="Access variable R|<local>/y|"];
233 [label="Function call: R|<local>/y|.R|/A.foo|()"];
234 [label="Exit block"];
}
235 [label="Exit when branch result"];
236 [label="Enter when branch result"];
subgraph cluster_51 {
color=blue
237 [label="Enter block"];
238 [label="Exit block"];
}
239 [label="Exit when branch result"];
240 [label="Exit when"];
}
241 [label="Exit block"];
}
242 [label="Exit function test_3" style="filled" fillcolor=red];
}
152 -> {153};
153 -> {154};
154 -> {167 155};
154 -> {155};
155 -> {156};
156 -> {157};
157 -> {159 158};
158 -> {175};
157 -> {158};
158 -> {159};
159 -> {160};
160 -> {161};
160 -> {174 161};
161 -> {162};
162 -> {163};
163 -> {164};
164 -> {165};
165 -> {166};
166 -> {175};
164 -> {166 165};
165 -> {182};
166 -> {167};
167 -> {168};
168 -> {169};
169 -> {170};
170 -> {171};
171 -> {172};
172 -> {173};
173 -> {174};
173 -> {182};
174 -> {175};
175 -> {176};
176 -> {177};
@@ -573,27 +583,27 @@ digraph when_kt {
178 -> {179};
179 -> {180};
180 -> {181};
181 -> {226 182};
181 -> {182};
182 -> {183};
183 -> {184};
184 -> {218 185};
184 -> {185};
185 -> {186};
186 -> {187};
187 -> {202 188};
187 -> {188};
188 -> {189};
189 -> {190};
189 -> {236 190};
190 -> {191};
191 -> {192};
192 -> {193};
193 -> {194};
193 -> {228 194};
194 -> {195};
195 -> {196};
196 -> {197};
197 -> {198};
197 -> {212 198};
198 -> {199};
199 -> {200};
200 -> {201};
201 -> {230};
201 -> {202};
202 -> {203};
203 -> {204};
204 -> {205};
@@ -603,13 +613,13 @@ digraph when_kt {
208 -> {209};
209 -> {210};
210 -> {211};
211 -> {212};
211 -> {240};
212 -> {213};
213 -> {214};
214 -> {215};
215 -> {216};
216 -> {217};
217 -> {230};
217 -> {218};
218 -> {219};
219 -> {220};
220 -> {221};
@@ -617,60 +627,61 @@ digraph when_kt {
222 -> {223};
223 -> {224};
224 -> {225};
225 -> {230};
225 -> {226};
226 -> {227};
227 -> {228};
227 -> {240};
228 -> {229};
229 -> {230};
230 -> {231};
231 -> {232};
subgraph cluster_52 {
color=red
233 [label="Enter function test_4" style="filled" fillcolor=red];
subgraph cluster_53 {
color=blue
234 [label="Enter block"];
subgraph cluster_54 {
color=blue
235 [label="Enter when"];
236 [label="Access variable R|<local>/x|"];
237 [label="Type operator: (R|<local>/x| as R|kotlin/Int|)"];
subgraph cluster_55 {
color=blue
238 [label="Enter when branch condition "];
239 [label="Const: Int(1)"];
240 [label="Equality operator =="];
241 [label="Exit when branch condition"];
}
242 [label="Synthetic else branch"];
243 [label="Enter when branch result"];
subgraph cluster_56 {
color=blue
244 [label="Enter block"];
245 [label="Access variable R|<local>/x|"];
246 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
247 [label="Exit block"];
}
248 [label="Exit when branch result"];
249 [label="Exit when"];
}
250 [label="Access variable R|<local>/x|"];
251 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
252 [label="Exit block"];
}
253 [label="Exit function test_4" style="filled" fillcolor=red];
}
232 -> {233};
233 -> {234};
234 -> {235};
235 -> {236};
235 -> {240};
236 -> {237};
237 -> {238};
238 -> {239};
239 -> {240};
240 -> {241};
241 -> {243 242};
242 -> {249};
241 -> {242};
subgraph cluster_52 {
color=red
243 [label="Enter function test_4" style="filled" fillcolor=red];
subgraph cluster_53 {
color=blue
244 [label="Enter block"];
subgraph cluster_54 {
color=blue
245 [label="Enter when"];
246 [label="Access variable R|<local>/x|"];
247 [label="Type operator: (R|<local>/x| as R|kotlin/Int|)"];
subgraph cluster_55 {
color=blue
248 [label="Enter when branch condition "];
249 [label="Exit $subj"];
250 [label="Const: Int(1)"];
251 [label="Equality operator =="];
252 [label="Exit when branch condition"];
}
253 [label="Synthetic else branch"];
254 [label="Enter when branch result"];
subgraph cluster_56 {
color=blue
255 [label="Enter block"];
256 [label="Access variable R|<local>/x|"];
257 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
258 [label="Exit block"];
}
259 [label="Exit when branch result"];
260 [label="Exit when"];
}
261 [label="Access variable R|<local>/x|"];
262 [label="Function call: R|<local>/x|.R|kotlin/Int.inc|()"];
263 [label="Exit block"];
}
264 [label="Exit function test_4" style="filled" fillcolor=red];
}
243 -> {244};
244 -> {245};
245 -> {246};
@@ -680,6 +691,17 @@ digraph when_kt {
249 -> {250};
250 -> {251};
251 -> {252};
252 -> {253};
252 -> {254 253};
253 -> {260};
254 -> {255};
255 -> {256};
256 -> {257};
257 -> {258};
258 -> {259};
259 -> {260};
260 -> {261};
261 -> {262};
262 -> {263};
263 -> {264};
}
@@ -0,0 +1,198 @@
digraph whenSubjectExpression_kt {
graph [nodesep=3]
node [shape=box penwidth=2]
edge [penwidth=2]
subgraph cluster_0 {
color=red
0 [label="Enter function whenWithSubjectExpression" style="filled" fillcolor=red];
subgraph cluster_1 {
color=blue
1 [label="Enter block"];
subgraph cluster_2 {
color=blue
2 [label="Enter when"];
3 [label="Access variable R|<local>/x|"];
subgraph cluster_3 {
color=blue
4 [label="Enter when branch condition "];
5 [label="Exit $subj"];
6 [label="Type operator: ($subj$ !is R|kotlin/Double|)"];
7 [label="Exit when branch condition"];
}
subgraph cluster_4 {
color=blue
8 [label="Enter when branch condition "];
9 [label="Exit $subj"];
10 [label="Const: Double(0.0)"];
11 [label="Equality operator =="];
12 [label="Exit when branch condition"];
}
subgraph cluster_5 {
color=blue
13 [label="Enter when branch condition else"];
14 [label="Exit when branch condition"];
}
15 [label="Enter when branch result"];
subgraph cluster_6 {
color=blue
16 [label="Enter block"];
17 [label="Access variable R|<local>/x|"];
18 [label="Function call: R|<local>/x|.R|kotlin/Double.toInt|()"];
19 [label="Exit block"];
}
20 [label="Exit when branch result"];
21 [label="Enter when branch result"];
subgraph cluster_7 {
color=blue
22 [label="Enter block"];
23 [label="Const: Int(0)"];
24 [label="Exit block"];
}
25 [label="Exit when branch result"];
26 [label="Enter when branch result"];
subgraph cluster_8 {
color=blue
27 [label="Enter block"];
28 [label="Const: Int(-1)"];
29 [label="Exit block"];
}
30 [label="Exit when branch result"];
31 [label="Exit when"];
}
32 [label="Exit block"];
}
33 [label="Exit function whenWithSubjectExpression" style="filled" fillcolor=red];
}
0 -> {1};
1 -> {2};
2 -> {3};
3 -> {4};
4 -> {5};
5 -> {6};
6 -> {7};
7 -> {26 8};
8 -> {9};
9 -> {10};
10 -> {11};
11 -> {12};
12 -> {21 13};
13 -> {14};
14 -> {15};
15 -> {16};
16 -> {17};
17 -> {18};
18 -> {19};
19 -> {20};
20 -> {31};
21 -> {22};
22 -> {23};
23 -> {24};
24 -> {25};
25 -> {31};
26 -> {27};
27 -> {28};
28 -> {29};
29 -> {30};
30 -> {31};
31 -> {32};
32 -> {33};
subgraph cluster_9 {
color=red
34 [label="Enter function whenWithSubjectVariable" style="filled" fillcolor=red];
subgraph cluster_10 {
color=blue
35 [label="Enter block"];
subgraph cluster_11 {
color=blue
36 [label="Enter when"];
37 [label="Access variable R|<local>/x|"];
38 [label="Variable declaration: lval y: R|kotlin/Any|"];
subgraph cluster_12 {
color=blue
39 [label="Enter when branch condition "];
40 [label="Exit $subj"];
41 [label="Type operator: ($subj$ !is R|kotlin/Double|)"];
42 [label="Exit when branch condition"];
}
subgraph cluster_13 {
color=blue
43 [label="Enter when branch condition "];
44 [label="Exit $subj"];
45 [label="Const: Double(0.0)"];
46 [label="Equality operator =="];
47 [label="Exit when branch condition"];
}
subgraph cluster_14 {
color=blue
48 [label="Enter when branch condition else"];
49 [label="Exit when branch condition"];
}
50 [label="Enter when branch result"];
subgraph cluster_15 {
color=blue
51 [label="Enter block"];
52 [label="Access variable R|<local>/y|"];
53 [label="Function call: R|<local>/y|.R|kotlin/Double.toInt|()"];
54 [label="Exit block"];
}
55 [label="Exit when branch result"];
56 [label="Enter when branch result"];
subgraph cluster_16 {
color=blue
57 [label="Enter block"];
58 [label="Const: Int(0)"];
59 [label="Exit block"];
}
60 [label="Exit when branch result"];
61 [label="Enter when branch result"];
subgraph cluster_17 {
color=blue
62 [label="Enter block"];
63 [label="Const: Int(-1)"];
64 [label="Exit block"];
}
65 [label="Exit when branch result"];
66 [label="Exit when"];
}
67 [label="Exit block"];
}
68 [label="Exit function whenWithSubjectVariable" style="filled" fillcolor=red];
}
34 -> {35};
35 -> {36};
36 -> {37};
37 -> {38};
38 -> {39};
39 -> {40};
40 -> {41};
41 -> {42};
42 -> {61 43};
43 -> {44};
44 -> {45};
45 -> {46};
46 -> {47};
47 -> {56 48};
48 -> {49};
49 -> {50};
50 -> {51};
51 -> {52};
52 -> {53};
53 -> {54};
54 -> {55};
55 -> {66};
56 -> {57};
57 -> {58};
58 -> {59};
59 -> {60};
60 -> {66};
61 -> {62};
62 -> {63};
63 -> {64};
64 -> {65};
65 -> {66};
66 -> {67};
67 -> {68};
}
@@ -0,0 +1,29 @@
FILE: whenSubjectExpression.kt
public final fun whenWithSubjectExpression(x: R|kotlin/Any|): R|kotlin/Unit| {
when (R|<local>/x|) {
($subj$ !is R|kotlin/Double|) -> {
Int(-1)
}
==($subj$, Double(0.0)) -> {
Int(0)
}
else -> {
R|<local>/x|.R|kotlin/Double.toInt|()
}
}
}
public final fun whenWithSubjectVariable(x: R|kotlin/Any|): R|kotlin/Unit| {
when (lval y: R|kotlin/Any| = R|<local>/x|) {
($subj$ !is R|kotlin/Double|) -> {
Int(-1)
}
==($subj$, Double(0.0)) -> {
Int(0)
}
else -> {
R|<local>/y|.R|kotlin/Double.toInt|()
}
}
}
@@ -0,0 +1,18 @@
// DUMP_CFG
// ISSUE: KT-49860
fun whenWithSubjectExpression(x: Any) {
when (x) {
!is Double -> -1
0.0 -> 0 // `subj` in `subj == 0.0` must have type 'double'
else -> x.toInt()
}
}
fun whenWithSubjectVariable(x: Any) {
when (val y = x) {
!is Double -> -1
0.0 -> 0 // `subj` in `subj == 0.0` must have type 'double'
else -> y.toInt()
}
}
@@ -108,88 +108,92 @@ digraph lambdaInWhenBranch_kt {
subgraph cluster_14 {
color=blue
32 [label="Enter when branch condition "];
33 [label="Type operator: ($subj$ is R|SubClass1|)"];
34 [label="Exit when branch condition"];
33 [label="Exit $subj"];
34 [label="Type operator: ($subj$ is R|SubClass1|)"];
35 [label="Exit when branch condition"];
}
subgraph cluster_15 {
color=blue
35 [label="Enter when branch condition "];
36 [label="Type operator: ($subj$ is R|SubClass2|)"];
37 [label="Exit when branch condition"];
36 [label="Enter when branch condition "];
37 [label="Exit $subj"];
38 [label="Type operator: ($subj$ is R|SubClass2|)"];
39 [label="Exit when branch condition"];
}
38 [label="Enter when branch result"];
40 [label="Enter when branch result"];
subgraph cluster_16 {
color=blue
39 [label="Enter block"];
40 [label="Const: String()"];
41 [label="Exit block"];
41 [label="Enter block"];
42 [label="Const: String()"];
43 [label="Exit block"];
}
42 [label="Exit when branch result"];
43 [label="Enter when branch result"];
44 [label="Exit when branch result"];
45 [label="Enter when branch result"];
subgraph cluster_17 {
color=blue
44 [label="Enter block"];
45 [label="Const: String()"];
46 [label="Postponed enter to lambda"];
46 [label="Enter block"];
47 [label="Const: String()"];
48 [label="Postponed enter to lambda"];
subgraph cluster_18 {
color=blue
77 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
81 [label="Enter function anonymousFunction" style="filled" fillcolor=red];
subgraph cluster_19 {
color=blue
78 [label="Enter block"];
79 [label="Access variable R|<local>/it|"];
80 [label="Exit block"];
82 [label="Enter block"];
83 [label="Access variable R|<local>/it|"];
84 [label="Exit block"];
}
81 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
85 [label="Exit function anonymousFunction" style="filled" fillcolor=red];
}
47 [label="Postponed exit from lambda"];
48 [label="Function call: String().R|kotlin/let|<R|kotlin/String|, R|kotlin/String|>(...)"];
49 [label="Exit block"];
49 [label="Postponed exit from lambda"];
50 [label="Function call: String().R|kotlin/let|<R|kotlin/String|, R|kotlin/String|>(...)"];
51 [label="Exit block"];
}
50 [label="Exit when branch result"];
51 [label="Exit when"];
52 [label="Exit when branch result"];
53 [label="Exit when"];
}
52 [label="Access variable R|<local>/p|"];
53 [label="Access variable <Unresolved name: t>#"];
54 [label="Access variable R|<local>/p|"];
55 [label="Access variable <Unresolved name: t>#"];
subgraph cluster_20 {
color=blue
54 [label="Enter when"];
55 [label="Access variable R|<local>/p|"];
56 [label="Enter when"];
57 [label="Access variable R|<local>/p|"];
subgraph cluster_21 {
color=blue
56 [label="Enter when branch condition "];
57 [label="Type operator: ($subj$ is R|SubClass1|)"];
58 [label="Exit when branch condition"];
58 [label="Enter when branch condition "];
59 [label="Exit $subj"];
60 [label="Type operator: ($subj$ is R|SubClass1|)"];
61 [label="Exit when branch condition"];
}
subgraph cluster_22 {
color=blue
59 [label="Enter when branch condition "];
60 [label="Type operator: ($subj$ is R|SubClass2|)"];
61 [label="Exit when branch condition"];
62 [label="Enter when branch condition "];
63 [label="Exit $subj"];
64 [label="Type operator: ($subj$ is R|SubClass2|)"];
65 [label="Exit when branch condition"];
}
62 [label="Enter when branch result"];
66 [label="Enter when branch result"];
subgraph cluster_23 {
color=blue
63 [label="Enter block"];
64 [label="Const: String(2)"];
65 [label="Exit block"];
67 [label="Enter block"];
68 [label="Const: String(2)"];
69 [label="Exit block"];
}
66 [label="Exit when branch result"];
67 [label="Enter when branch result"];
70 [label="Exit when branch result"];
71 [label="Enter when branch result"];
subgraph cluster_24 {
color=blue
68 [label="Enter block"];
69 [label="Access variable R|<local>/p|"];
70 [label="Access variable R|/SubClass1.t|"];
71 [label="Exit block"];
72 [label="Enter block"];
73 [label="Access variable R|<local>/p|"];
74 [label="Access variable R|/SubClass1.t|"];
75 [label="Exit block"];
}
72 [label="Exit when branch result"];
73 [label="Exit when"];
76 [label="Exit when branch result"];
77 [label="Exit when"];
}
74 [label="Access variable R|kotlin/String.length|"];
75 [label="Exit block"];
78 [label="Access variable R|kotlin/String.length|"];
79 [label="Exit block"];
}
76 [label="Exit function foo" style="filled" fillcolor=red];
80 [label="Exit function foo" style="filled" fillcolor=red];
}
28 -> {29};
29 -> {30};
@@ -197,23 +201,23 @@ digraph lambdaInWhenBranch_kt {
31 -> {32};
32 -> {33};
33 -> {34};
34 -> {43 35};
35 -> {36};
34 -> {35};
35 -> {45 36};
36 -> {37};
37 -> {38};
38 -> {39};
39 -> {40};
40 -> {41};
41 -> {42};
42 -> {51};
42 -> {43};
43 -> {44};
44 -> {45};
44 -> {53};
45 -> {46};
46 -> {77};
46 -> {47} [color=red];
46 -> {77} [style=dashed];
46 -> {47};
47 -> {48};
48 -> {49};
48 -> {81};
48 -> {49} [color=red];
48 -> {81} [style=dashed];
49 -> {50};
50 -> {51};
51 -> {52};
@@ -223,28 +227,32 @@ digraph lambdaInWhenBranch_kt {
55 -> {56};
56 -> {57};
57 -> {58};
58 -> {67 59};
58 -> {59};
59 -> {60};
60 -> {61};
61 -> {62};
61 -> {71 62};
62 -> {63};
63 -> {64};
64 -> {65};
65 -> {66};
66 -> {73};
66 -> {67};
67 -> {68};
68 -> {69};
69 -> {70};
70 -> {71};
70 -> {77};
71 -> {72};
72 -> {73};
73 -> {74};
74 -> {75};
75 -> {76};
76 -> {77};
77 -> {78};
78 -> {79};
79 -> {80};
80 -> {81};
81 -> {47} [color=green];
81 -> {82};
82 -> {83};
83 -> {84};
84 -> {85};
85 -> {49} [color=green];
}
@@ -16,48 +16,50 @@ digraph implicitReceiverAsWhenSubject_kt {
subgraph cluster_3 {
color=blue
4 [label="Enter when branch condition "];
5 [label="Type operator: ($subj$ is R|kotlin/collections/List<*>|)"];
6 [label="Exit when branch condition"];
5 [label="Exit $subj"];
6 [label="Type operator: ($subj$ is R|kotlin/collections/List<*>|)"];
7 [label="Exit when branch condition"];
}
subgraph cluster_4 {
color=blue
7 [label="Enter when branch condition "];
8 [label="Type operator: ($subj$ is R|kotlin/String|)"];
9 [label="Exit when branch condition"];
8 [label="Enter when branch condition "];
9 [label="Exit $subj"];
10 [label="Type operator: ($subj$ is R|kotlin/String|)"];
11 [label="Exit when branch condition"];
}
subgraph cluster_5 {
color=blue
10 [label="Enter when branch condition else"];
11 [label="Exit when branch condition"];
12 [label="Enter when branch condition else"];
13 [label="Exit when branch condition"];
}
12 [label="Enter when branch result"];
14 [label="Enter when branch result"];
subgraph cluster_6 {
color=blue
13 [label="Enter block"];
14 [label="Const: Int(0)"];
15 [label="Exit block"];
15 [label="Enter block"];
16 [label="Const: Int(0)"];
17 [label="Exit block"];
}
16 [label="Exit when branch result"];
17 [label="Enter when branch result"];
18 [label="Exit when branch result"];
19 [label="Enter when branch result"];
subgraph cluster_7 {
color=blue
18 [label="Enter block"];
19 [label="Access variable R|kotlin/String.length|"];
20 [label="Exit block"];
20 [label="Enter block"];
21 [label="Access variable R|kotlin/String.length|"];
22 [label="Exit block"];
}
21 [label="Exit when branch result"];
22 [label="Enter when branch result"];
23 [label="Exit when branch result"];
24 [label="Enter when branch result"];
subgraph cluster_8 {
color=blue
23 [label="Enter block"];
24 [label="Access variable this@R|/test_1|"];
25 [label="Access variable R|SubstitutionOverride<kotlin/collections/List.size: R|kotlin/Int|>|"];
26 [label="Exit block"];
25 [label="Enter block"];
26 [label="Access variable this@R|/test_1|"];
27 [label="Access variable R|SubstitutionOverride<kotlin/collections/List.size: R|kotlin/Int|>|"];
28 [label="Exit block"];
}
27 [label="Exit when branch result"];
28 [label="Exit when"];
29 [label="Exit when branch result"];
30 [label="Exit when"];
}
29 [label="Jump: ^test_1 when (this@R|/test_1|) {
31 [label="Jump: ^test_1 when (this@R|/test_1|) {
($subj$ is R|kotlin/collections/List<*>|) -> {
this@R|/test_1|.R|SubstitutionOverride<kotlin/collections/List.size: R|kotlin/Int|>|
}
@@ -69,10 +71,10 @@ digraph implicitReceiverAsWhenSubject_kt {
}
}
"];
30 [label="Stub" style="filled" fillcolor=gray];
31 [label="Exit block" style="filled" fillcolor=gray];
32 [label="Stub" style="filled" fillcolor=gray];
33 [label="Exit block" style="filled" fillcolor=gray];
}
32 [label="Exit function test_1" style="filled" fillcolor=red];
34 [label="Exit function test_1" style="filled" fillcolor=red];
}
0 -> {1};
1 -> {2};
@@ -80,94 +82,98 @@ digraph implicitReceiverAsWhenSubject_kt {
3 -> {4};
4 -> {5};
5 -> {6};
6 -> {22 7};
7 -> {8};
6 -> {7};
7 -> {24 8};
8 -> {9};
9 -> {17 10};
9 -> {10};
10 -> {11};
11 -> {12};
11 -> {19 12};
12 -> {13};
13 -> {14};
14 -> {15};
15 -> {16};
16 -> {28};
16 -> {17};
17 -> {18};
18 -> {19};
18 -> {30};
19 -> {20};
20 -> {21};
21 -> {28};
21 -> {22};
22 -> {23};
23 -> {24};
23 -> {30};
24 -> {25};
25 -> {26};
26 -> {27};
27 -> {28};
28 -> {29};
29 -> {32};
29 -> {30} [style=dotted];
30 -> {31} [style=dotted];
29 -> {30};
30 -> {31};
31 -> {34};
31 -> {32} [style=dotted];
32 -> {33} [style=dotted];
33 -> {34} [style=dotted];
subgraph cluster_9 {
color=red
33 [label="Enter function test_2" style="filled" fillcolor=red];
35 [label="Enter function test_2" style="filled" fillcolor=red];
subgraph cluster_10 {
color=blue
34 [label="Enter block"];
36 [label="Enter block"];
subgraph cluster_11 {
color=blue
35 [label="Enter when"];
36 [label="Access variable this@R|/test_2|"];
37 [label="Variable declaration: lval x: R|kotlin/Any|"];
37 [label="Enter when"];
38 [label="Access variable this@R|/test_2|"];
39 [label="Variable declaration: lval x: R|kotlin/Any|"];
subgraph cluster_12 {
color=blue
38 [label="Enter when branch condition "];
39 [label="Type operator: ($subj$ is R|kotlin/collections/List<*>|)"];
40 [label="Exit when branch condition"];
40 [label="Enter when branch condition "];
41 [label="Exit $subj"];
42 [label="Type operator: ($subj$ is R|kotlin/collections/List<*>|)"];
43 [label="Exit when branch condition"];
}
subgraph cluster_13 {
color=blue
41 [label="Enter when branch condition "];
42 [label="Type operator: ($subj$ is R|kotlin/String|)"];
43 [label="Exit when branch condition"];
44 [label="Enter when branch condition "];
45 [label="Exit $subj"];
46 [label="Type operator: ($subj$ is R|kotlin/String|)"];
47 [label="Exit when branch condition"];
}
subgraph cluster_14 {
color=blue
44 [label="Enter when branch condition else"];
45 [label="Exit when branch condition"];
48 [label="Enter when branch condition else"];
49 [label="Exit when branch condition"];
}
46 [label="Enter when branch result"];
50 [label="Enter when branch result"];
subgraph cluster_15 {
color=blue
47 [label="Enter block"];
48 [label="Const: Int(0)"];
49 [label="Exit block"];
51 [label="Enter block"];
52 [label="Const: Int(0)"];
53 [label="Exit block"];
}
50 [label="Exit when branch result"];
51 [label="Enter when branch result"];
54 [label="Exit when branch result"];
55 [label="Enter when branch result"];
subgraph cluster_16 {
color=blue
52 [label="Enter block"];
53 [label="Access variable R|<local>/x|"];
54 [label="Access variable R|kotlin/String.length|"];
55 [label="Access variable R|kotlin/String.length|"];
56 [label="Exit block"];
56 [label="Enter block"];
57 [label="Access variable R|<local>/x|"];
58 [label="Access variable R|kotlin/String.length|"];
59 [label="Access variable R|kotlin/String.length|"];
60 [label="Exit block"];
}
57 [label="Exit when branch result"];
58 [label="Enter when branch result"];
61 [label="Exit when branch result"];
62 [label="Enter when branch result"];
subgraph cluster_17 {
color=blue
59 [label="Enter block"];
60 [label="Access variable R|<local>/x|"];
61 [label="Access variable R|SubstitutionOverride<kotlin/collections/List.size: R|kotlin/Int|>|"];
62 [label="Access variable this@R|/test_2|"];
63 [label="Access variable R|SubstitutionOverride<kotlin/collections/List.size: R|kotlin/Int|>|"];
64 [label="Exit block"];
63 [label="Enter block"];
64 [label="Access variable R|<local>/x|"];
65 [label="Access variable R|SubstitutionOverride<kotlin/collections/List.size: R|kotlin/Int|>|"];
66 [label="Access variable this@R|/test_2|"];
67 [label="Access variable R|SubstitutionOverride<kotlin/collections/List.size: R|kotlin/Int|>|"];
68 [label="Exit block"];
}
65 [label="Exit when branch result"];
66 [label="Exit when"];
69 [label="Exit when branch result"];
70 [label="Exit when"];
}
67 [label="Jump: ^test_2 when (lval x: R|kotlin/Any| = this@R|/test_2|) {
71 [label="Jump: ^test_2 when (lval x: R|kotlin/Any| = this@R|/test_2|) {
($subj$ is R|kotlin/collections/List<*>|) -> {
R|<local>/x|.R|SubstitutionOverride<kotlin/collections/List.size: R|kotlin/Int|>|
this@R|/test_2|.R|SubstitutionOverride<kotlin/collections/List.size: R|kotlin/Int|>|
@@ -181,48 +187,50 @@ digraph implicitReceiverAsWhenSubject_kt {
}
}
"];
68 [label="Stub" style="filled" fillcolor=gray];
69 [label="Exit block" style="filled" fillcolor=gray];
72 [label="Stub" style="filled" fillcolor=gray];
73 [label="Exit block" style="filled" fillcolor=gray];
}
70 [label="Exit function test_2" style="filled" fillcolor=red];
74 [label="Exit function test_2" style="filled" fillcolor=red];
}
33 -> {34};
34 -> {35};
35 -> {36};
36 -> {37};
37 -> {38};
38 -> {39};
39 -> {40};
40 -> {58 41};
40 -> {41};
41 -> {42};
42 -> {43};
43 -> {51 44};
43 -> {62 44};
44 -> {45};
45 -> {46};
46 -> {47};
47 -> {48};
47 -> {55 48};
48 -> {49};
49 -> {50};
50 -> {66};
50 -> {51};
51 -> {52};
52 -> {53};
53 -> {54};
54 -> {55};
54 -> {70};
55 -> {56};
56 -> {57};
57 -> {66};
57 -> {58};
58 -> {59};
59 -> {60};
60 -> {61};
61 -> {62};
61 -> {70};
62 -> {63};
63 -> {64};
64 -> {65};
65 -> {66};
66 -> {67};
67 -> {70};
67 -> {68} [style=dotted];
68 -> {69} [style=dotted];
69 -> {70} [style=dotted];
67 -> {68};
68 -> {69};
69 -> {70};
70 -> {71};
71 -> {74};
71 -> {72} [style=dotted];
72 -> {73} [style=dotted];
73 -> {74} [style=dotted];
}
@@ -3657,6 +3657,12 @@ public class FirDiagnosticTestGenerated extends AbstractFirDiagnosticTest {
public void testWhen() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/smartcasts/controlStructures/when.kt");
}
@Test
@TestMetadata("whenSubjectExpression.kt")
public void testWhenSubjectExpression() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/smartcasts/controlStructures/whenSubjectExpression.kt");
}
}
@Nested
@@ -3657,6 +3657,12 @@ public class FirDiagnosticsWithLightTreeTestGenerated extends AbstractFirDiagnos
public void testWhen() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/smartcasts/controlStructures/when.kt");
}
@Test
@TestMetadata("whenSubjectExpression.kt")
public void testWhenSubjectExpression() throws Exception {
runTest("compiler/fir/analysis-tests/testData/resolve/smartcasts/controlStructures/whenSubjectExpression.kt");
}
}
@Nested
@@ -290,6 +290,25 @@ class Fir2IrImplicitCastInserter(
return data
}
override fun visitWhenSubjectExpressionWithSmartcast(
whenSubjectExpressionWithSmartcast: FirWhenSubjectExpressionWithSmartcast,
data: IrElement
): IrElement {
return if (whenSubjectExpressionWithSmartcast.isStable) {
implicitCastOrExpression(data as IrExpression, whenSubjectExpressionWithSmartcast.typeRef)
} else {
data as IrExpression
}
}
override fun visitWhenSubjectExpressionWithSmartcastToNull(
whenSubjectExpressionWithSmartcastToNull: FirWhenSubjectExpressionWithSmartcastToNull,
data: IrElement
): IrElement {
// We don't want an implicit cast to Nothing?. This expression just encompasses nullability after null check.
return data
}
internal fun implicitCastFromDispatchReceiver(
original: IrExpression,
originalTypeRef: FirTypeRef,
@@ -478,6 +478,22 @@ class Fir2IrVisitor(
return convertToIrExpression(expressionWithSmartcastToNull.originalExpression)
}
override fun visitWhenSubjectExpressionWithSmartcast(
whenSubjectExpressionWithSmartcast: FirWhenSubjectExpressionWithSmartcast,
data: Any?
): IrElement {
val value = visitWhenSubjectExpression(whenSubjectExpressionWithSmartcast.originalExpression, data)
return implicitCastInserter.visitWhenSubjectExpressionWithSmartcast(whenSubjectExpressionWithSmartcast, value)
}
override fun visitWhenSubjectExpressionWithSmartcastToNull(
whenSubjectExpressionWithSmartcastToNull: FirWhenSubjectExpressionWithSmartcastToNull,
data: Any?
): IrElement {
// This should not be materialized. Generate the expression with the original expression.
return visitWhenSubjectExpression(whenSubjectExpressionWithSmartcastToNull.originalExpression, data)
}
override fun visitCallableReferenceAccess(callableReferenceAccess: FirCallableReferenceAccess, data: Any?): IrElement {
val explicitReceiverExpression = convertToIrReceiverExpression(
callableReferenceAccess.explicitReceiver, callableReferenceAccess.calleeReference, callableReferenceAccess
@@ -16,7 +16,6 @@ import org.jetbrains.kotlin.fir.declarations.*
import org.jetbrains.kotlin.fir.declarations.utils.canNarrowDownGetterType
import org.jetbrains.kotlin.fir.declarations.utils.expandedConeType
import org.jetbrains.kotlin.fir.declarations.utils.isFinal
import org.jetbrains.kotlin.fir.declarations.utils.isInner
import org.jetbrains.kotlin.fir.diagnostics.ConeDiagnostic
import org.jetbrains.kotlin.fir.diagnostics.ConeSimpleDiagnostic
import org.jetbrains.kotlin.fir.diagnostics.ConeStubDiagnostic
@@ -31,6 +30,8 @@ import org.jetbrains.kotlin.fir.resolve.calls.Candidate
import org.jetbrains.kotlin.fir.resolve.calls.FirNamedReferenceWithCandidate
import org.jetbrains.kotlin.fir.resolve.calls.FirPropertyWithExplicitBackingFieldResolvedNamedReference
import org.jetbrains.kotlin.fir.resolve.calls.ImplicitDispatchReceiverValue
import org.jetbrains.kotlin.fir.resolve.dfa.FirDataFlowAnalyzer
import org.jetbrains.kotlin.fir.resolve.dfa.PropertyStability
import org.jetbrains.kotlin.fir.resolve.diagnostics.ConeUnresolvedNameError
import org.jetbrains.kotlin.fir.resolve.providers.symbolProvider
import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.resultType
@@ -291,26 +292,52 @@ private fun BodyResolveComponents.typeFromSymbol(symbol: FirBasedSymbol<*>, make
fun BodyResolveComponents.transformQualifiedAccessUsingSmartcastInfo(
qualifiedAccessExpression: FirQualifiedAccessExpression
): FirQualifiedAccessExpression {
val (stability, typesFromSmartCast) = dataFlowAnalyzer.getTypeUsingSmartcastInfo(qualifiedAccessExpression)
?: return qualifiedAccessExpression
val builder = transformExpressionUsingSmartcastInfo(
qualifiedAccessExpression,
dataFlowAnalyzer::getTypeUsingSmartcastInfo,
::FirExpressionWithSmartcastBuilder,
::FirExpressionWithSmartcastToNullBuilder
) ?: return qualifiedAccessExpression
return builder.build()
}
fun BodyResolveComponents.transformWhenSubjectExpressionUsingSmartcastInfo(
whenSubjectExpression: FirWhenSubjectExpression
): FirWhenSubjectExpression {
val builder = transformExpressionUsingSmartcastInfo(
whenSubjectExpression,
dataFlowAnalyzer::getTypeUsingSmartcastInfo,
::FirWhenSubjectExpressionWithSmartcastBuilder,
::FirWhenSubjectExpressionWithSmartcastToNullBuilder
) ?: return whenSubjectExpression
return builder.build()
}
private inline fun <T : FirExpression> BodyResolveComponents.transformExpressionUsingSmartcastInfo(
expression: T,
smartcastExtractor: (T) -> Pair<PropertyStability, MutableList<ConeKotlinType>>?,
smartcastBuilder: () -> FirWrappedExpressionWithSmartcastBuilder<T>,
smartcastToNullBuilder: () -> FirWrappedExpressionWithSmartcastToNullBuilder<T>
): FirWrappedExpressionWithSmartcastBuilder<T>? {
val (stability, typesFromSmartCast) = smartcastExtractor(expression) ?: return null
val smartcastStability = stability.impliedSmartcastStability
?: if (dataFlowAnalyzer.isAccessToUnstableLocalVariable(qualifiedAccessExpression)) {
?: if (dataFlowAnalyzer.isAccessToUnstableLocalVariable(expression)) {
SmartcastStability.CAPTURED_VARIABLE
} else {
SmartcastStability.STABLE_VALUE
}
val originalType = qualifiedAccessExpression.resultType.coneType
val originalType = expression.resultType.coneType
val allTypes = typesFromSmartCast.also {
it += originalType
}
val intersectedType = ConeTypeIntersector.intersectTypes(session.typeContext, allTypes)
if (intersectedType == originalType) return qualifiedAccessExpression
if (intersectedType == originalType) return null
val intersectedTypeRef = buildResolvedTypeRef {
source = qualifiedAccessExpression.resultType.source?.fakeElement(KtFakeSourceElementKind.SmartCastedTypeRef)
source = expression.resultType.source?.fakeElement(KtFakeSourceElementKind.SmartCastedTypeRef)
type = intersectedType
annotations += qualifiedAccessExpression.resultType.annotations
delegatedTypeRef = qualifiedAccessExpression.resultType
annotations += expression.resultType.annotations
delegatedTypeRef = expression.resultType
}
// For example, if (x == null) { ... },
// we need to track the type without `Nothing?` so that resolution with this as receiver can go through properly.
@@ -322,13 +349,13 @@ fun BodyResolveComponents.transformQualifiedAccessUsingSmartcastInfo(
val intersectedTypeWithoutNullableNothing =
ConeTypeIntersector.intersectTypes(session.typeContext, typesFromSmartcastWithoutNullableNothing)
val intersectedTypeRefWithoutNullableNothing = buildResolvedTypeRef {
source = qualifiedAccessExpression.resultType.source?.fakeElement(KtFakeSourceElementKind.SmartCastedTypeRef)
source = expression.resultType.source?.fakeElement(KtFakeSourceElementKind.SmartCastedTypeRef)
type = intersectedTypeWithoutNullableNothing
annotations += qualifiedAccessExpression.resultType.annotations
delegatedTypeRef = qualifiedAccessExpression.resultType
annotations += expression.resultType.annotations
delegatedTypeRef = expression.resultType
}
return buildExpressionWithSmartcastToNull {
originalExpression = qualifiedAccessExpression
return smartcastToNullBuilder().apply {
originalExpression = expression
smartcastType = intersectedTypeRef
smartcastTypeWithoutNullableNothing = intersectedTypeRefWithoutNullableNothing
this.typesFromSmartCast = typesFromSmartCast
@@ -336,8 +363,8 @@ fun BodyResolveComponents.transformQualifiedAccessUsingSmartcastInfo(
}
}
return buildExpressionWithSmartcast {
originalExpression = qualifiedAccessExpression
return smartcastBuilder().apply {
originalExpression = expression
smartcastType = intersectedTypeRef
this.typesFromSmartCast = typesFromSmartCast
this.smartcastStability = smartcastStability
@@ -6,8 +6,7 @@
package org.jetbrains.kotlin.fir.resolve.dfa
import org.jetbrains.kotlin.config.LanguageFeature
import org.jetbrains.kotlin.fir.FirSession
import org.jetbrains.kotlin.fir.PrivateForInline
import org.jetbrains.kotlin.fir.*
import org.jetbrains.kotlin.fir.contracts.FirResolvedContractDescription
import org.jetbrains.kotlin.fir.contracts.description.ConeBooleanConstantReference
import org.jetbrains.kotlin.fir.contracts.description.ConeConditionalEffectDeclaration
@@ -17,7 +16,6 @@ import org.jetbrains.kotlin.fir.declarations.*
import org.jetbrains.kotlin.fir.declarations.impl.FirDefaultPropertyAccessor
import org.jetbrains.kotlin.fir.declarations.utils.isLocal
import org.jetbrains.kotlin.fir.expressions.*
import org.jetbrains.kotlin.fir.languageVersionSettings
import org.jetbrains.kotlin.fir.references.FirControlFlowGraphReference
import org.jetbrains.kotlin.fir.references.FirResolvedNamedReference
import org.jetbrains.kotlin.fir.resolve.PersistentImplicitReceiverStack
@@ -35,7 +33,6 @@ import org.jetbrains.kotlin.fir.symbols.FirBasedSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
import org.jetbrains.kotlin.fir.types.*
import org.jetbrains.kotlin.fir.visibilityChecker
import org.jetbrains.kotlin.fir.visitors.transformSingle
import org.jetbrains.kotlin.name.StandardClassIds
import org.jetbrains.kotlin.types.ConstantValueKind
@@ -165,18 +162,41 @@ abstract class FirDataFlowAnalyzer<FLOW : Flow>(
// ----------------------------------- Requests -----------------------------------
fun isAccessToUnstableLocalVariable(qualifiedAccessExpression: FirQualifiedAccessExpression): Boolean {
fun isAccessToUnstableLocalVariable(expression: FirExpression): Boolean {
val qualifiedAccessExpression = when (expression) {
is FirQualifiedAccessExpression -> expression
is FirWhenSubjectExpression -> {
val whenExpression = expression.whenRef.value
when {
whenExpression.subjectVariable != null -> return true
else -> whenExpression.subject as? FirQualifiedAccessExpression
}
}
else -> null
} ?: return false
return context.firLocalVariableAssignmentAnalyzer?.isAccessToUnstableLocalVariable(qualifiedAccessExpression) == true
}
fun getTypeUsingSmartcastInfo(whenSubjectExpression: FirWhenSubjectExpression): Pair<PropertyStability, MutableList<ConeKotlinType>>? {
val symbol = whenSubjectExpression.symbol ?: return null
return getTypeUsingSmartcastInfo(symbol, whenSubjectExpression)
}
fun getTypeUsingSmartcastInfo(qualifiedAccessExpression: FirQualifiedAccessExpression): Pair<PropertyStability, MutableList<ConeKotlinType>>? {
/*
* DataFlowAnalyzer holds variables only for declarations that have some smartcast (or can have)
* If there is no useful information there is no data flow variable also
*/
val symbol: FirBasedSymbol<*> = qualifiedAccessExpression.symbol ?: return null
return getTypeUsingSmartcastInfo(symbol, qualifiedAccessExpression)
}
private fun getTypeUsingSmartcastInfo(
symbol: FirBasedSymbol<*>,
expression: FirExpression
): Pair<PropertyStability, MutableList<ConeKotlinType>>? {
val flow = graphBuilder.lastNode.flow
var variable = variableStorage.getRealVariableWithoutUnwrappingAlias(symbol, qualifiedAccessExpression, flow) ?: return null
var variable = variableStorage.getRealVariableWithoutUnwrappingAlias(symbol, expression, flow) ?: return null
val stability = variable.stability
val result = mutableListOf<ConeKotlinType>()
flow.directAliasMap[variable]?.let {
@@ -740,6 +760,10 @@ abstract class FirDataFlowAnalyzer<FLOW : Flow>(
whenExitNode.mergeIncomingFlow()
}
fun exitWhenSubjectExpression(expression: FirWhenSubjectExpression) {
graphBuilder.exitWhenSubjectExpression(expression).mergeIncomingFlow()
}
// ----------------------------------- While Loop -----------------------------------
private fun exitCommonLoop(exitNode: LoopExitNode) {
@@ -1178,6 +1178,9 @@ class ControlFlowGraphBuilder {
return Pair(kind, unionNode)
}
fun exitWhenSubjectExpression(expression: FirWhenSubjectExpression): WhenSubjectExpressionExitNode {
return createWhenSubjectExpressionExitNode(expression).also { addNewSimpleNode(it) }
}
// ----------------------------------- Annotations -----------------------------------
@@ -157,6 +157,9 @@ fun ControlFlowGraphBuilder.createElvisRhsEnterNode(fir: FirElvisExpression): El
fun ControlFlowGraphBuilder.createElvisLhsExitNode(fir: FirElvisExpression): ElvisLhsExitNode =
ElvisLhsExitNode(currentGraph, fir, levelCounter, createId())
fun ControlFlowGraphBuilder.createWhenSubjectExpressionExitNode(fir: FirWhenSubjectExpression): WhenSubjectExpressionExitNode =
WhenSubjectExpressionExitNode(currentGraph, fir, levelCounter, createId())
fun ControlFlowGraphBuilder.createElvisExitNode(fir: FirElvisExpression): ElvisExitNode =
ElvisExitNode(currentGraph, fir, levelCounter, createId())
@@ -14,6 +14,7 @@ import org.jetbrains.kotlin.fir.expressions.impl.FirEmptyExpressionBlock
import org.jetbrains.kotlin.fir.references.FirResolvedNamedReference
import org.jetbrains.kotlin.fir.resolve.ResolutionMode
import org.jetbrains.kotlin.fir.resolve.calls.isUnitOrFlexibleUnit
import org.jetbrains.kotlin.fir.resolve.transformWhenSubjectExpressionUsingSmartcastInfo
import org.jetbrains.kotlin.fir.resolve.transformers.FirSyntheticCallGenerator
import org.jetbrains.kotlin.fir.resolve.transformers.FirWhenExhaustivenessTransformer
import org.jetbrains.kotlin.fir.resolve.withExpectedType
@@ -126,7 +127,8 @@ class FirControlFlowStatementsResolveTransformer(transformer: FirBodyResolveTran
if (subjectType != null) {
whenSubjectExpression.resultType = subjectType
}
return whenSubjectExpression
dataFlowAnalyzer.exitWhenSubjectExpression(whenSubjectExpression)
return components.transformWhenSubjectExpressionUsingSmartcastInfo(whenSubjectExpression)
}
// ------------------------------- Try/catch expressions -------------------------------
@@ -794,6 +794,12 @@ class ElvisExitNode(owner: ControlFlowGraph, override val fir: FirElvisExpressio
}
}
class WhenSubjectExpressionExitNode(owner: ControlFlowGraph, override val fir: FirWhenSubjectExpression, level: Int, id: Int) : CFGNode<FirWhenSubjectExpression>(owner, level, id) {
override fun <R, D> accept(visitor: ControlFlowGraphVisitor<R, D>, data: D): R {
return visitor.visitWhenSubjectExpressionExitNode(this, data)
}
}
// ----------------------------------- Other -----------------------------------
@OptIn(CfgInternals::class)
@@ -99,6 +99,8 @@ fun CFGNode<*>.render(): String =
is EnterSafeCallNode -> "Enter safe call"
is ExitSafeCallNode -> "Exit safe call"
is WhenSubjectExpressionExitNode -> "Exit ${'$'}subj"
is PostponedLambdaEnterNode -> "Postponed enter to lambda"
is PostponedLambdaExitNode -> "Postponed exit from lambda"
@@ -347,6 +347,10 @@ abstract class ControlFlowGraphVisitor<out R, in D> {
return visitNode(node, data)
}
open fun visitWhenSubjectExpressionExitNode(node: WhenSubjectExpressionExitNode, data: D): R {
return visitNode(node, data)
}
// ----------------------------------- Elvis -----------------------------------
open fun visitElvisLhsExitNode(node: ElvisLhsExitNode, data: D): R {
@@ -10,7 +10,7 @@ import org.jetbrains.kotlin.fir.expressions.FirQualifiedAccessExpression
import org.jetbrains.kotlin.fir.expressions.impl.FirExpressionWithSmartcastImpl
class FirExpressionWithSmartcastBuilder : FirWrappedExpressionWithSmartcastBuilder<FirQualifiedAccessExpression>() {
fun build(): FirExpressionWithSmartcast {
override fun build(): FirExpressionWithSmartcast {
return FirExpressionWithSmartcastImpl(originalExpression, smartcastType, typesFromSmartCast, smartcastStability)
}
}
@@ -10,7 +10,7 @@ import org.jetbrains.kotlin.fir.expressions.FirQualifiedAccessExpression
import org.jetbrains.kotlin.fir.expressions.impl.FirExpressionWithSmartcastToNullImpl
class FirExpressionWithSmartcastToNullBuilder : FirWrappedExpressionWithSmartcastToNullBuilder<FirQualifiedAccessExpression>() {
fun build(): FirExpressionWithSmartcastToNull {
override fun build(): FirExpressionWithSmartcastToNull {
return FirExpressionWithSmartcastToNullImpl(
originalExpression,
smartcastType,
@@ -10,7 +10,7 @@ import org.jetbrains.kotlin.fir.expressions.FirWhenSubjectExpressionWithSmartcas
import org.jetbrains.kotlin.fir.expressions.impl.FirWhenSubjectExpressionWithSmartcastImpl
class FirWhenSubjectExpressionWithSmartcastBuilder : FirWrappedExpressionWithSmartcastBuilder<FirWhenSubjectExpression>() {
fun build(): FirWhenSubjectExpressionWithSmartcast {
override fun build(): FirWhenSubjectExpressionWithSmartcast {
return FirWhenSubjectExpressionWithSmartcastImpl(originalExpression, smartcastType, typesFromSmartCast, smartcastStability)
}
}
@@ -10,7 +10,7 @@ import org.jetbrains.kotlin.fir.expressions.FirWhenSubjectExpressionWithSmartcas
import org.jetbrains.kotlin.fir.expressions.impl.FirWhenSubjectExpressionWithSmartcastToNullImpl
class FirWhenSubjectExpressionWithSmartcastToNullBuilder : FirWrappedExpressionWithSmartcastToNullBuilder<FirWhenSubjectExpression>() {
fun build(): FirWhenSubjectExpressionWithSmartcastToNull {
override fun build(): FirWhenSubjectExpressionWithSmartcastToNull {
return FirWhenSubjectExpressionWithSmartcastToNullImpl(
originalExpression,
smartcastType,
@@ -15,6 +15,8 @@ abstract class FirWrappedExpressionWithSmartcastBuilder<E : FirExpression> {
lateinit var smartcastType: FirTypeRef
lateinit var typesFromSmartCast: Collection<ConeKotlinType>
lateinit var smartcastStability: SmartcastStability
abstract fun build(): E
}
abstract class FirWrappedExpressionWithSmartcastToNullBuilder<E : FirExpression> : FirWrappedExpressionWithSmartcastBuilder<E>() {
@@ -44,7 +44,8 @@ class FirWhenSubjectExpressionWithSmartcastImpl(
originalExpression.accept(visitor, data)
}
override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirElement {
throw IllegalStateException()
override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirWhenSubjectExpressionWithSmartcastImpl {
originalExpression = originalExpression.transform(transformer, data)
return this
}
}
@@ -45,7 +45,8 @@ class FirWhenSubjectExpressionWithSmartcastToNullImpl(
originalExpression.accept(visitor, data)
}
override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirElement {
throw IllegalStateException()
override fun <D> transformChildren(transformer: FirTransformer<D>, data: D): FirWhenSubjectExpressionWithSmartcastToNullImpl {
originalExpression = originalExpression.transform(transformer, data)
return this
}
}
@@ -1,6 +1,4 @@
// !LANGUAGE: +ProperIeee754Comparisons
// IGNORE_BACKEND_FIR: JVM_IR
// FIR status: Fail 1: other
fun testF(x: Any) =
when (x) {
@@ -24,4 +22,4 @@ fun box(): String {
if (td != "0.0") return "Fail 2: $td"
return "OK"
}
}
+184 -178
View File
@@ -468,7 +468,7 @@ digraph kt44814_kt {
}
141 -> {142};
142 -> {143};
143 -> {282} [color=green];
143 -> {285} [color=green];
subgraph cluster_47 {
color=red
@@ -566,103 +566,106 @@ digraph kt44814_kt {
subgraph cluster_58 {
color=blue
173 [label="Enter when branch condition [4]"];
174 [label="Const: Null(null) [5]"];
175 [label="Equality operator == [5]"];
176 [label="Exit when branch condition [4]"];
174 [label="Exit $subj [5]"];
175 [label="Const: Null(null) [5]"];
176 [label="Equality operator == [5]"];
177 [label="Exit when branch condition [4]"];
}
subgraph cluster_59 {
color=blue
177 [label="Enter when branch condition [5]"];
178 [label="Type operator: ($subj$ is R|FirPsiSourceElement|) [6]"];
179 [label="Exit when branch condition [5]"];
178 [label="Enter when branch condition [5]"];
179 [label="Exit $subj [6]"];
180 [label="Type operator: ($subj$ is R|FirPsiSourceElement|) [6]"];
181 [label="Exit when branch condition [5]"];
}
subgraph cluster_60 {
color=blue
180 [label="Enter when branch condition [6]"];
181 [label="Type operator: ($subj$ is R|FirLightSourceElement|) [7]"];
182 [label="Exit when branch condition [6]"];
182 [label="Enter when branch condition [6]"];
183 [label="Exit $subj [7]"];
184 [label="Type operator: ($subj$ is R|FirLightSourceElement|) [7]"];
185 [label="Exit when branch condition [6]"];
}
183 [label="Enter when branch result [7]"];
186 [label="Enter when branch result [7]"];
subgraph cluster_61 {
color=blue
184 [label="Enter block [7]"];
185 [label="Access variable R|/FirLightSourceElement.lighterASTNode| [9]"];
186 [label="Access variable R|/FirLightSourceElement.treeStructure| [9]"];
187 [label="Function call: this@R|/FirModifierList.Companion.getModifierList|.R|/FirLightSourceElement.lighterASTNode|.R|/LighterASTNode.getChildren|(...) [8]"];
188 [label="Postponed enter to lambda [8]"];
187 [label="Enter block [7]"];
188 [label="Access variable R|/FirLightSourceElement.lighterASTNode| [9]"];
189 [label="Access variable R|/FirLightSourceElement.treeStructure| [9]"];
190 [label="Function call: this@R|/FirModifierList.Companion.getModifierList|.R|/FirLightSourceElement.lighterASTNode|.R|/LighterASTNode.getChildren|(...) [8]"];
191 [label="Postponed enter to lambda [8]"];
subgraph cluster_62 {
color=blue
234 [label="Enter function anonymousFunction [9]" style="filled" fillcolor=red];
237 [label="Enter function anonymousFunction [9]" style="filled" fillcolor=red];
subgraph cluster_63 {
color=blue
235 [label="Enter block [9]"];
236 [label="Access variable R|<local>/it| [9]"];
237 [label="Enter safe call [9]"];
238 [label="Access variable R|/LighterASTNode.tokenType| [9]"];
239 [label="Exit safe call [9]"];
240 [label="Access qualifier /TokenType [9]"];
241 [label="Access variable R|/TokenType.Companion.MODIFIER_LIST| [9]"];
242 [label="Equality operator == [9]"];
243 [label="Exit block [9]"];
238 [label="Enter block [9]"];
239 [label="Access variable R|<local>/it| [9]"];
240 [label="Enter safe call [9]"];
241 [label="Access variable R|/LighterASTNode.tokenType| [9]"];
242 [label="Exit safe call [9]"];
243 [label="Access qualifier /TokenType [9]"];
244 [label="Access variable R|/TokenType.Companion.MODIFIER_LIST| [9]"];
245 [label="Equality operator == [9]"];
246 [label="Exit block [9]"];
}
244 [label="Exit function anonymousFunction [9]" style="filled" fillcolor=red];
247 [label="Exit function anonymousFunction [9]" style="filled" fillcolor=red];
}
189 [label="Postponed exit from lambda [8]"];
190 [label="Function call: this@R|/FirModifierList.Companion.getModifierList|.R|/FirLightSourceElement.lighterASTNode|.R|/LighterASTNode.getChildren|(...).R|kotlin/collections/find|<R|LighterASTNode?|>(...) [7]"];
191 [label="Exit lhs of ?: [7]"];
192 [label="Enter rhs of ?: [7]"];
193 [label="Const: Null(null) [7]"];
194 [label="Jump: ^getModifierList Null(null) [7]"];
195 [label="Stub [7]" style="filled" fillcolor=gray];
196 [label="Lhs of ?: is not null [7]"];
197 [label="Exit ?: [7]"];
198 [label="Variable declaration: lval modifierListNode: R|LighterASTNode| [7]"];
199 [label="Access variable R|<local>/modifierListNode| [8]"];
200 [label="Access variable R|/FirLightSourceElement.treeStructure| [8]"];
201 [label="Function call: R|/FirModifierList.FirLightModifierList.FirLightModifierList|(...) [7]"];
202 [label="Exit block [7]"];
192 [label="Postponed exit from lambda [8]"];
193 [label="Function call: this@R|/FirModifierList.Companion.getModifierList|.R|/FirLightSourceElement.lighterASTNode|.R|/LighterASTNode.getChildren|(...).R|kotlin/collections/find|<R|LighterASTNode?|>(...) [7]"];
194 [label="Exit lhs of ?: [7]"];
195 [label="Enter rhs of ?: [7]"];
196 [label="Const: Null(null) [7]"];
197 [label="Jump: ^getModifierList Null(null) [7]"];
198 [label="Stub [7]" style="filled" fillcolor=gray];
199 [label="Lhs of ?: is not null [7]"];
200 [label="Exit ?: [7]"];
201 [label="Variable declaration: lval modifierListNode: R|LighterASTNode| [7]"];
202 [label="Access variable R|<local>/modifierListNode| [8]"];
203 [label="Access variable R|/FirLightSourceElement.treeStructure| [8]"];
204 [label="Function call: R|/FirModifierList.FirLightModifierList.FirLightModifierList|(...) [7]"];
205 [label="Exit block [7]"];
}
203 [label="Exit when branch result [6]"];
204 [label="Enter when branch result [6]"];
206 [label="Exit when branch result [6]"];
207 [label="Enter when branch result [6]"];
subgraph cluster_64 {
color=blue
205 [label="Enter block [6]"];
206 [label="Access variable R|/FirPsiSourceElement.psi| [6]"];
207 [label="Type operator: (this@R|/FirModifierList.Companion.getModifierList|.R|/FirPsiSourceElement.psi| as? R|KtModifierListOwner|) [6]"];
208 [label="Enter safe call [6]"];
209 [label="Access variable R|/KtModifierListOwner.modifierList| [6]"];
210 [label="Exit safe call [6]"];
208 [label="Enter block [6]"];
209 [label="Access variable R|/FirPsiSourceElement.psi| [6]"];
210 [label="Type operator: (this@R|/FirModifierList.Companion.getModifierList|.R|/FirPsiSourceElement.psi| as? R|KtModifierListOwner|) [6]"];
211 [label="Enter safe call [6]"];
212 [label="Postponed enter to lambda [7]"];
212 [label="Access variable R|/KtModifierListOwner.modifierList| [6]"];
213 [label="Exit safe call [6]"];
214 [label="Enter safe call [6]"];
215 [label="Postponed enter to lambda [7]"];
subgraph cluster_65 {
color=blue
228 [label="Enter function anonymousFunction [8]" style="filled" fillcolor=red];
231 [label="Enter function anonymousFunction [8]" style="filled" fillcolor=red];
subgraph cluster_66 {
color=blue
229 [label="Enter block [8]"];
230 [label="Access variable R|<local>/it| [9]"];
231 [label="Function call: R|/FirModifierList.FirPsiModifierList.FirPsiModifierList|(...) [8]"];
232 [label="Exit block [8]"];
232 [label="Enter block [8]"];
233 [label="Access variable R|<local>/it| [9]"];
234 [label="Function call: R|/FirModifierList.FirPsiModifierList.FirPsiModifierList|(...) [8]"];
235 [label="Exit block [8]"];
}
233 [label="Exit function anonymousFunction [8]" style="filled" fillcolor=red];
236 [label="Exit function anonymousFunction [8]" style="filled" fillcolor=red];
}
213 [label="Postponed exit from lambda [7]"];
214 [label="Function call: $subj$.R|kotlin/let|<R|KtModifierList|, R|FirModifierList.FirPsiModifierList|>(...) [6]"];
215 [label="Exit safe call [6]"];
216 [label="Exit block [6]"];
216 [label="Postponed exit from lambda [7]"];
217 [label="Function call: $subj$.R|kotlin/let|<R|KtModifierList|, R|FirModifierList.FirPsiModifierList|>(...) [6]"];
218 [label="Exit safe call [6]"];
219 [label="Exit block [6]"];
}
217 [label="Exit when branch result [5]"];
218 [label="Enter when branch result [5]"];
220 [label="Exit when branch result [5]"];
221 [label="Enter when branch result [5]"];
subgraph cluster_67 {
color=blue
219 [label="Enter block [5]"];
220 [label="Const: Null(null) [5]"];
221 [label="Exit block [5]"];
222 [label="Enter block [5]"];
223 [label="Const: Null(null) [5]"];
224 [label="Exit block [5]"];
}
222 [label="Exit when branch result [4]"];
223 [label="Exit when [3]"];
225 [label="Exit when branch result [4]"];
226 [label="Exit when [3]"];
}
224 [label="Jump: ^getModifierList when (this@R|/FirModifierList.Companion.getModifierList|) {
227 [label="Jump: ^getModifierList when (this@R|/FirModifierList.Companion.getModifierList|) {
==($subj$, Null(null)) -> {
Null(null)
}
@@ -681,10 +684,10 @@ digraph kt44814_kt {
}
}
[3]"];
225 [label="Stub [3]" style="filled" fillcolor=gray];
226 [label="Exit block [3]" style="filled" fillcolor=gray];
228 [label="Stub [3]" style="filled" fillcolor=gray];
229 [label="Exit block [3]" style="filled" fillcolor=gray];
}
227 [label="Exit function getModifierList [3]" style="filled" fillcolor=red];
230 [label="Exit function getModifierList [3]" style="filled" fillcolor=red];
}
169 -> {170};
170 -> {171};
@@ -693,131 +696,134 @@ digraph kt44814_kt {
173 -> {174};
174 -> {175};
175 -> {176};
176 -> {218 177};
177 -> {178};
176 -> {177};
177 -> {221 178};
178 -> {179};
179 -> {204 180};
179 -> {180};
180 -> {181};
181 -> {182};
181 -> {207 182};
182 -> {183};
183 -> {184};
184 -> {185};
185 -> {186};
186 -> {187};
187 -> {188};
188 -> {234};
188 -> {189} [color=red];
188 -> {234} [style=dashed];
188 -> {189};
189 -> {190};
190 -> {191};
191 -> {196 192};
191 -> {237};
191 -> {192} [color=red];
191 -> {237} [style=dashed];
192 -> {193};
193 -> {194};
194 -> {227};
194 -> {195} [style=dotted];
195 -> {197} [style=dotted];
194 -> {199 195};
195 -> {196};
196 -> {197};
197 -> {198};
198 -> {199};
197 -> {230};
197 -> {198} [style=dotted];
198 -> {200} [style=dotted];
199 -> {200};
200 -> {201};
201 -> {202};
202 -> {203};
203 -> {223};
203 -> {204};
204 -> {205};
205 -> {206};
206 -> {207};
207 -> {208 210};
206 -> {226};
207 -> {208};
208 -> {209};
209 -> {210};
210 -> {211 215};
210 -> {211 213};
211 -> {212};
212 -> {228};
212 -> {213} [color=red];
212 -> {228} [style=dashed];
213 -> {214};
212 -> {213};
213 -> {214 218};
214 -> {215};
215 -> {216};
215 -> {231};
215 -> {216} [color=red];
215 -> {231} [style=dashed];
216 -> {217};
217 -> {223};
217 -> {218};
218 -> {219};
219 -> {220};
220 -> {221};
220 -> {226};
221 -> {222};
222 -> {223};
223 -> {224};
224 -> {227};
224 -> {225} [style=dotted];
225 -> {226} [style=dotted];
226 -> {227} [style=dotted];
228 -> {229};
229 -> {230};
230 -> {231};
224 -> {225};
225 -> {226};
226 -> {227};
227 -> {230};
227 -> {228} [style=dotted];
228 -> {229} [style=dotted];
229 -> {230} [style=dotted];
231 -> {232};
232 -> {233};
233 -> {213} [color=green];
234 -> {244 235};
233 -> {234};
234 -> {235};
235 -> {236};
236 -> {237 239};
237 -> {238};
236 -> {216} [color=green];
237 -> {247 238};
238 -> {239};
239 -> {240};
239 -> {240 242};
240 -> {241};
241 -> {242};
242 -> {243};
243 -> {244};
244 -> {189} [color=green];
244 -> {234} [color=green style=dashed];
244 -> {245};
245 -> {246};
246 -> {247};
247 -> {192} [color=green];
247 -> {237} [color=green style=dashed];
subgraph cluster_68 {
color=red
245 [label="Enter function boxImpl [3]" style="filled" fillcolor=red];
248 [label="Enter function boxImpl [3]" style="filled" fillcolor=red];
subgraph cluster_69 {
color=blue
246 [label="Enter block [3]"];
247 [label="Function call: R|/LighterASTNode.LighterASTNode|() [6]"];
248 [label="Function call: R|kotlin/collections/listOf|<R|LighterASTNode|>(...) [5]"];
249 [label="Function call: R|/LighterASTNode.LighterASTNode|(...) [4]"];
250 [label="Function call: R|/FlyweightCapableTreeStructure.FlyweightCapableTreeStructure|() [4]"];
251 [label="Function call: R|/FirLightSourceElement.FirLightSourceElement|(...) [3]"];
252 [label="Variable declaration: lval sourceElement: R|FirSourceElement?| [3]"];
253 [label="Access variable R|<local>/sourceElement| [4]"];
254 [label="Function call: (this@R|/FirModifierList.Companion|, R|<local>/sourceElement|).R|/FirModifierList.Companion.getModifierList|() [3]"];
255 [label="Variable declaration: lval result: R|FirModifierList?| [3]"];
249 [label="Enter block [3]"];
250 [label="Function call: R|/LighterASTNode.LighterASTNode|() [6]"];
251 [label="Function call: R|kotlin/collections/listOf|<R|LighterASTNode|>(...) [5]"];
252 [label="Function call: R|/LighterASTNode.LighterASTNode|(...) [4]"];
253 [label="Function call: R|/FlyweightCapableTreeStructure.FlyweightCapableTreeStructure|() [4]"];
254 [label="Function call: R|/FirLightSourceElement.FirLightSourceElement|(...) [3]"];
255 [label="Variable declaration: lval sourceElement: R|FirSourceElement?| [3]"];
256 [label="Access variable R|<local>/sourceElement| [4]"];
257 [label="Function call: (this@R|/FirModifierList.Companion|, R|<local>/sourceElement|).R|/FirModifierList.Companion.getModifierList|() [3]"];
258 [label="Variable declaration: lval result: R|FirModifierList?| [3]"];
subgraph cluster_70 {
color=blue
256 [label="Enter when [3]"];
259 [label="Enter when [3]"];
subgraph cluster_71 {
color=blue
257 [label="Enter when branch condition [4]"];
258 [label="Access variable R|<local>/result| [5]"];
259 [label="Type operator: (R|<local>/result| is R|FirModifierList.FirLightModifierList|) [5]"];
260 [label="Exit when branch condition [4]"];
260 [label="Enter when branch condition [4]"];
261 [label="Access variable R|<local>/result| [5]"];
262 [label="Type operator: (R|<local>/result| is R|FirModifierList.FirLightModifierList|) [5]"];
263 [label="Exit when branch condition [4]"];
}
subgraph cluster_72 {
color=blue
261 [label="Enter when branch condition else [5]"];
262 [label="Exit when branch condition [5]"];
264 [label="Enter when branch condition else [5]"];
265 [label="Exit when branch condition [5]"];
}
263 [label="Enter when branch result [6]"];
266 [label="Enter when branch result [6]"];
subgraph cluster_73 {
color=blue
264 [label="Enter block [6]"];
265 [label="Const: String(Fail) [6]"];
266 [label="Exit block [6]"];
267 [label="Enter block [6]"];
268 [label="Const: String(Fail) [6]"];
269 [label="Exit block [6]"];
}
267 [label="Exit when branch result [5]"];
268 [label="Enter when branch result [5]"];
270 [label="Exit when branch result [5]"];
271 [label="Enter when branch result [5]"];
subgraph cluster_74 {
color=blue
269 [label="Enter block [5]"];
270 [label="Const: String(OK) [5]"];
271 [label="Exit block [5]"];
272 [label="Enter block [5]"];
273 [label="Const: String(OK) [5]"];
274 [label="Exit block [5]"];
}
272 [label="Exit when branch result [4]"];
273 [label="Exit when [3]"];
275 [label="Exit when branch result [4]"];
276 [label="Exit when [3]"];
}
274 [label="Jump: ^boxImpl when () {
277 [label="Jump: ^boxImpl when () {
(R|<local>/result| is R|FirModifierList.FirLightModifierList|) -> {
String(OK)
}
@@ -826,14 +832,11 @@ digraph kt44814_kt {
}
}
[3]"];
275 [label="Stub [3]" style="filled" fillcolor=gray];
276 [label="Exit block [3]" style="filled" fillcolor=gray];
278 [label="Stub [3]" style="filled" fillcolor=gray];
279 [label="Exit block [3]" style="filled" fillcolor=gray];
}
277 [label="Exit function boxImpl [3]" style="filled" fillcolor=red];
280 [label="Exit function boxImpl [3]" style="filled" fillcolor=red];
}
245 -> {246};
246 -> {247};
247 -> {248};
248 -> {249};
249 -> {250};
250 -> {251};
@@ -846,64 +849,67 @@ digraph kt44814_kt {
257 -> {258};
258 -> {259};
259 -> {260};
260 -> {268 261};
260 -> {261};
261 -> {262};
262 -> {263};
263 -> {264};
263 -> {271 264};
264 -> {265};
265 -> {266};
266 -> {267};
267 -> {273};
267 -> {268};
268 -> {269};
269 -> {270};
270 -> {271};
270 -> {276};
271 -> {272};
272 -> {273};
273 -> {274};
274 -> {277};
274 -> {275} [style=dotted];
275 -> {276} [style=dotted];
276 -> {277} [style=dotted];
274 -> {275};
275 -> {276};
276 -> {277};
277 -> {280};
277 -> {278} [style=dotted];
278 -> {279} [style=dotted];
279 -> {280} [style=dotted];
subgraph cluster_75 {
color=red
278 [label="Enter class Companion [2]" style="filled" fillcolor=red];
279 [label="Exit class Companion [2]" style="filled" fillcolor=red];
281 [label="Enter class Companion [2]" style="filled" fillcolor=red];
282 [label="Exit class Companion [2]" style="filled" fillcolor=red];
}
278 -> {279} [color=green];
281 -> {282} [color=green];
subgraph cluster_76 {
color=red
280 [label="Enter class FirModifierList [1]" style="filled" fillcolor=red];
281 [label="Part of class initialization [1]"];
282 [label="Exit class FirModifierList [1]" style="filled" fillcolor=red];
283 [label="Enter class FirModifierList [1]" style="filled" fillcolor=red];
284 [label="Part of class initialization [1]"];
285 [label="Exit class FirModifierList [1]" style="filled" fillcolor=red];
}
280 -> {281} [color=green];
281 -> {282} [style=dotted];
281 -> {141} [color=green];
281 -> {141} [style=dashed];
283 -> {284} [color=green];
284 -> {285} [style=dotted];
284 -> {141} [color=green];
284 -> {141} [style=dashed];
subgraph cluster_77 {
color=red
283 [label="Enter function box [1]" style="filled" fillcolor=red];
286 [label="Enter function box [1]" style="filled" fillcolor=red];
subgraph cluster_78 {
color=blue
284 [label="Enter block [1]"];
285 [label="Access qualifier /FirModifierList [2]"];
286 [label="Function call: Q|FirModifierList|.R|/FirModifierList.Companion.boxImpl|() [1]"];
287 [label="Jump: ^box Q|FirModifierList|.R|/FirModifierList.Companion.boxImpl|() [1]"];
288 [label="Stub [1]" style="filled" fillcolor=gray];
289 [label="Exit block [1]" style="filled" fillcolor=gray];
287 [label="Enter block [1]"];
288 [label="Access qualifier /FirModifierList [2]"];
289 [label="Function call: Q|FirModifierList|.R|/FirModifierList.Companion.boxImpl|() [1]"];
290 [label="Jump: ^box Q|FirModifierList|.R|/FirModifierList.Companion.boxImpl|() [1]"];
291 [label="Stub [1]" style="filled" fillcolor=gray];
292 [label="Exit block [1]" style="filled" fillcolor=gray];
}
290 [label="Exit function box [1]" style="filled" fillcolor=red];
293 [label="Exit function box [1]" style="filled" fillcolor=red];
}
283 -> {284};
284 -> {285};
285 -> {286};
286 -> {287};
287 -> {290};
287 -> {288} [style=dotted];
288 -> {289} [style=dotted];
289 -> {290} [style=dotted];
287 -> {288};
288 -> {289};
289 -> {290};
290 -> {293};
290 -> {291} [style=dotted];
291 -> {292} [style=dotted];
292 -> {293} [style=dotted];
}
@@ -1,6 +1,4 @@
// !LANGUAGE: +VariableDeclarationInWhenSubject +ProperIeee754Comparisons
// IGNORE_BACKEND_FIR: JVM_IR
// FIR status: y is Double but not 0.0
val az: Any = -0.0
val afz: Any = -0.0f
@@ -40,7 +40,7 @@ fun third(arg: Any?): Int {
is String -> return 0
is Double -> return 1
is <!DUPLICATE_LABEL_IN_WHEN!>Double<!> -> return 2
<!DUPLICATE_LABEL_IN_WHEN!>null<!> -> return 3
<!DUPLICATE_LABEL_IN_WHEN, SENSELESS_NULL_IN_WHEN!>null<!> -> return 3
!is String -> return 4
else -> return 5
}
@@ -1,7 +1,7 @@
fun main(x1: Double?, range: ClosedRange<Double>) {
when (x1) {
null -> throw Exception()
<!ARGUMENT_TYPE_MISMATCH!>in range<!> -> {} // error, no smartcast from previous branch, OK in OI
in range -> {} // error, no smartcast from previous branch, OK in OI
}
when {
@@ -75,8 +75,9 @@ FILE fqName:<root> fileName:/whenByFloatingPoint.kt
GET_VAR 'val tmp_3: kotlin.Any [val] declared in <root>.testSmartCastInWhenConditionInBranch' type=kotlin.Any origin=null
then: CONST Int type=kotlin.Int value=-1
BRANCH
if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
arg0: GET_VAR 'val tmp_3: kotlin.Any [val] declared in <root>.testSmartCastInWhenConditionInBranch' type=kotlin.Any origin=null
if: CALL 'public final fun ieee754equals (arg0: kotlin.Double?, arg1: kotlin.Double?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
arg0: TYPE_OP type=kotlin.Double origin=IMPLICIT_CAST typeOperand=kotlin.Double
GET_VAR 'val tmp_3: kotlin.Any [val] declared in <root>.testSmartCastInWhenConditionInBranch' type=kotlin.Any origin=null
arg1: CONST Double type=kotlin.Double value=0.0
then: CONST Int type=kotlin.Int value=0
BRANCH
@@ -39,7 +39,7 @@ fun testSmartCastInWhenConditionInBranch(x: Any): Int {
val tmp3_subject: Any = x
when {
tmp3_subject !is Double -> -1
EQEQ(arg0 = tmp3_subject, arg1 = 0.0) -> 0
ieee754equals(arg0 = tmp3_subject /*as Double */, arg1 = 0.0) -> 0
else -> 1
}
}
@@ -77,3 +77,4 @@ fun testWithPrematureExitInConditionSubexpression(x: Any): Int {
}
}
}
+3 -2
View File
@@ -46,10 +46,11 @@ FILE fqName:<root> fileName:/when.kt
then: CONST String type=kotlin.String value="!Number"
BRANCH
if: CALL 'public final fun contains <T> (element: T of kotlin.collections.CollectionsKt.contains): kotlin.Boolean [operator] declared in kotlin.collections.CollectionsKt' type=kotlin.Boolean origin=IN
<T>: kotlin.Any?
<T>: kotlin.Number
$receiver: CALL 'public final fun setOf <T> (): kotlin.collections.Set<T of kotlin.collections.SetsKt.setOf> [inline] declared in kotlin.collections.SetsKt' type=kotlin.collections.Set<kotlin.Nothing> origin=null
<T>: kotlin.Nothing
element: GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.testWithSubject' type=kotlin.Any? origin=null
element: TYPE_OP type=kotlin.Number origin=IMPLICIT_CAST typeOperand=kotlin.Number
GET_VAR 'val tmp_0: kotlin.Any? [val] declared in <root>.testWithSubject' type=kotlin.Any? origin=null
then: CONST String type=kotlin.String value="nothingness?"
BRANCH
if: CONST Boolean type=kotlin.Boolean value=true
+2 -1
View File
@@ -15,7 +15,7 @@ fun testWithSubject(x: Any?): String {
EQEQ(arg0 = tmp0_subject, arg1 = A) -> "A"
tmp0_subject is String -> "String"
tmp0_subject !is Number -> "!Number"
setOf<Nothing>().contains<Any?>(element = tmp0_subject) -> "nothingness?"
setOf<Nothing>().contains<Number>(element = tmp0_subject /*as Number */) -> "nothingness?"
else -> "something"
}
}
@@ -61,3 +61,4 @@ fun testComma(x: Int): String {
}
}
}
@@ -62,7 +62,7 @@ fun case_7(value_1: SealedClassEmpty): String = when (value_1) {
* ISSUES: KT-22996
*/
fun case_8(value: SealedClass?): String = when (value) {
is SealedChild1, !is SealedChild3?, is SealedChild3? -> ""
is SealedChild1, !is SealedChild3?, <!USELESS_IS_CHECK!>is SealedChild3?<!> -> ""
}
/*
@@ -72,5 +72,5 @@ fun case_8(value: SealedClass?): String = when (value) {
*/
fun case_9(value: SealedClass?): String = when (value) {
is SealedChild1, !is SealedChild3 -> ""
is SealedChild3? -> ""
<!USELESS_IS_CHECK!>is SealedChild3?<!> -> ""
}
@@ -14,8 +14,8 @@ fun case_1(value_1: SealedClass) = when (value_1) {
*/
fun case_2(value_1: SealedClass?): String = when (value_1) {
!is SealedChild2 -> "" // including null
is SealedChild2 -> ""
null -> "" // redundant
<!USELESS_IS_CHECK!>is SealedChild2<!> -> ""
<!SENSELESS_NULL_IN_WHEN!>null<!> -> "" // redundant
}
// TESTCASE NUMBER: 3
@@ -33,7 +33,7 @@ fun case_3(value_1: SealedClass?): String = when (value_1) {
fun case_4(value_1: SealedClass?) {
when (value_1) {
!is SealedChild2 -> {} // including null
is SealedChild2? -> {} // redundant nullable type check
<!USELESS_IS_CHECK!>is SealedChild2?<!> -> {} // redundant nullable type check
}
}
@@ -3,7 +3,7 @@
// TESTCASE NUMBER: 1
fun case_1(value_1: SealedClass): String = when (value_1) {
is SealedChild1, !is SealedChild3 -> ""
is SealedChild3 -> ""
<!USELESS_IS_CHECK!>is SealedChild3<!> -> ""
}
// TESTCASE NUMBER: 2
@@ -18,7 +18,7 @@ fun case_3(value_1: SealedClass): String = when (value_1) {
// TESTCASE NUMBER: 4
fun case_4(value_1: SealedClass): String = when (value_1) {
!is SealedChild1, is SealedChild1 -> ""
!is SealedChild1, <!USELESS_IS_CHECK!>is SealedChild1<!> -> ""
}
// TESTCASE NUMBER: 5
@@ -34,7 +34,7 @@ fun case_5(value_1: Any?): String = when (value_1) {
*/
fun case_6(value_1: Any?): String = when (value_1) {
is Boolean?, !is SealedChild3 -> "" // double nullable type check in the one branch
is SealedChild3 -> ""
<!USELESS_IS_CHECK!>is SealedChild3<!> -> ""
else -> ""
}
@@ -226,7 +226,7 @@ fun case_23(value_1: Nothing) {
// TESTCASE NUMBER: 24
fun case_24(value_1: Nothing?) = when (value_1) {
<!SENSELESS_COMPARISON!>throw Exception()<!>, <!SENSELESS_COMPARISON!><!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> ""<!> -> ""
<!SENSELESS_NULL_IN_WHEN!>null<!>, <!SENSELESS_COMPARISON!><!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> ""<!>, <!SENSELESS_COMPARISON!>throw throw throw Exception()<!> -> ""
<!SENSELESS_NULL_IN_WHEN!>null<!>, <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> <!RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY!>return<!> "", throw throw throw Exception() -> ""
else -> ""
}