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[FIR] Create CFG for files to track top-level property initialization

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In order to properly analyze top-level property initialization, a
control-flow graph must be created for FirFiles. This change adds the
foundation for the file CFG and updates body resolve to create the CFG.
Checking the CFG for proper initialization is separated into a following
change to ease code review.

KT-56683
This commit is contained in:
Brian Norman
2023-07-25 10:23:22 -05:00
committed by Space Team
parent 0b7eb32064
commit b55fda0c55
127 changed files with 19565 additions and 18746 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/fir/analysis-tests/testData/resolve/smartcasts/loops/dataFlowInfoFromWhileCondition.dot
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+68 -61
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@@ -5,80 +5,85 @@ digraph dataFlowInfoFromWhileCondition_kt {
subgraph cluster_0 {
color=red
0 [label="Enter class A" style="filled" fillcolor=red];
1 [label="Exit class A" style="filled" fillcolor=red];
0 [label="Enter file dataFlowInfoFromWhileCondition.kt" style="filled" fillcolor=red];
1 [label="Exit file dataFlowInfoFromWhileCondition.kt" style="filled" fillcolor=red];
}
0 -> {1} [color=green];
subgraph cluster_1 {
color=red
2 [label="Enter function foo" style="filled" fillcolor=red];
3 [label="Exit function foo" style="filled" fillcolor=red];
2 [label="Enter class A" style="filled" fillcolor=red];
3 [label="Exit class A" style="filled" fillcolor=red];
}
2 -> {3};
2 -> {3} [color=green];
subgraph cluster_2 {
color=red
4 [label="Enter class B" style="filled" fillcolor=red];
5 [label="Exit class B" style="filled" fillcolor=red];
4 [label="Enter function foo" style="filled" fillcolor=red];
5 [label="Exit function foo" style="filled" fillcolor=red];
}
4 -> {5} [color=green];
4 -> {5};
subgraph cluster_3 {
color=red
6 [label="Enter class C" style="filled" fillcolor=red];
7 [label="Exit class C" style="filled" fillcolor=red];
6 [label="Enter class B" style="filled" fillcolor=red];
7 [label="Exit class B" style="filled" fillcolor=red];
}
6 -> {7} [color=green];
subgraph cluster_4 {
color=red
8 [label="Enter function test" style="filled" fillcolor=red];
subgraph cluster_5 {
color=blue
9 [label="Enter block"];
10 [label="Const: Null(null)"];
11 [label="Variable declaration: lvar a: R|A?|"];
subgraph cluster_6 {
color=blue
12 [label="Enter while loop"];
subgraph cluster_7 {
color=blue
13 [label="Enter loop condition"];
subgraph cluster_8 {
color=blue
14 [label="Enter ||"];
15 [label="Access variable R|<local>/a|"];
16 [label="Type operator: (R|<local>/a| is R|B|)"];
17 [label="Exit left part of ||"];
18 [label="Enter right part of ||"];
19 [label="Access variable R|<local>/a|"];
20 [label="Type operator: (R|<local>/a| is R|C|)"];
21 [label="Exit ||"];
}
22 [label="Exit loop condition"];
}
subgraph cluster_9 {
color=blue
23 [label="Enter loop block"];
subgraph cluster_10 {
color=blue
24 [label="Enter block"];
25 [label="Access variable R|<local>/a|"];
26 [label="Smart cast: R|<local>/a|"];
27 [label="Function call: R|<local>/a|.R|/A.foo|()" style="filled" fillcolor=yellow];
28 [label="Exit block"];
}
29 [label="Exit loop block"];
}
30 [label="Exit while loop"];
}
31 [label="Exit block"];
}
32 [label="Exit function test" style="filled" fillcolor=red];
8 [label="Enter class C" style="filled" fillcolor=red];
9 [label="Exit class C" style="filled" fillcolor=red];
}
8 -> {9} [color=green];
subgraph cluster_5 {
color=red
10 [label="Enter function test" style="filled" fillcolor=red];
subgraph cluster_6 {
color=blue
11 [label="Enter block"];
12 [label="Const: Null(null)"];
13 [label="Variable declaration: lvar a: R|A?|"];
subgraph cluster_7 {
color=blue
14 [label="Enter while loop"];
subgraph cluster_8 {
color=blue
15 [label="Enter loop condition"];
subgraph cluster_9 {
color=blue
16 [label="Enter ||"];
17 [label="Access variable R|<local>/a|"];
18 [label="Type operator: (R|<local>/a| is R|B|)"];
19 [label="Exit left part of ||"];
20 [label="Enter right part of ||"];
21 [label="Access variable R|<local>/a|"];
22 [label="Type operator: (R|<local>/a| is R|C|)"];
23 [label="Exit ||"];
}
24 [label="Exit loop condition"];
}
subgraph cluster_10 {
color=blue
25 [label="Enter loop block"];
subgraph cluster_11 {
color=blue
26 [label="Enter block"];
27 [label="Access variable R|<local>/a|"];
28 [label="Smart cast: R|<local>/a|"];
29 [label="Function call: R|<local>/a|.R|/A.foo|()" style="filled" fillcolor=yellow];
30 [label="Exit block"];
}
31 [label="Exit loop block"];
}
32 [label="Exit while loop"];
}
33 [label="Exit block"];
}
34 [label="Exit function test" style="filled" fillcolor=red];
}
8 -> {9};
9 -> {10};
10 -> {11};
11 -> {12};
12 -> {13};
@@ -86,20 +91,22 @@ digraph dataFlowInfoFromWhileCondition_kt {
14 -> {15};
15 -> {16};
16 -> {17};
17 -> {18 21};
17 -> {18};
18 -> {19};
19 -> {20};
19 -> {20 23};
20 -> {21};
21 -> {22};
22 -> {23 30};
22 -> {23};
23 -> {24};
24 -> {25};
24 -> {25 32};
25 -> {26};
26 -> {27};
27 -> {28};
28 -> {29};
29 -> {13} [color=green style=dashed];
29 -> {30};
30 -> {31};
31 -> {32};
31 -> {15} [color=green style=dashed];
32 -> {33};
33 -> {34};
}