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C#: Fix CFG for foreach statements with tuple declarations #726

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Jan 9, 2019
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C#: Fix CFG for foreach statements with tuple declarations #726

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C#: Add CFG tests for `foreach` statements with multipe variable decl…
hvitved Jan 4, 2019
6fccfa3
C#: Fix CFG for `foreach` statements with tuple declarations
hvitved Jan 4, 2019
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10 changes: 7 additions & 3 deletions csharp/ql/src/semmle/code/csharp/controlflow/ControlFlowGraph.qll
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Expand Up @@ -1665,8 +1665,9 @@ module ControlFlow {
}

pragma [nomagic]
private ControlFlowElement lastForeachStmtVariableDeclExpr(ForeachStmt fs, Completion c) {
result = last(fs.getVariableDeclExpr(), c)
private ControlFlowElement lastForeachStmtVariableDecl(ForeachStmt fs, Completion c) {
result = last(fs.getVariableDeclExpr(), c) or
result = last(fs.getVariableDeclTuple(), c)
}

pragma [nomagic]
Expand Down Expand Up @@ -2286,12 +2287,15 @@ module ControlFlow {
(
result = first(fs.getVariableDeclExpr())
or
result = first(fs.getVariableDeclTuple())
or
not exists(fs.getVariableDeclExpr()) and
not exists(fs.getVariableDeclTuple()) and
result = first(fs.getBody())
)
or
// Flow from last element of variable declaration to first element of loop body
cfe = lastForeachStmtVariableDeclExpr(fs, c) and
cfe = lastForeachStmtVariableDecl(fs, c) and
c instanceof SimpleCompletion and
result = first(fs.getBody())
or
Expand Down
12 changes: 12 additions & 0 deletions csharp/ql/test/library-tests/controlflow/graph/BasicBlock.expected
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Original file line number Diff line number Diff line change
Expand Up @@ -231,6 +231,18 @@
| Foreach.cs:20:22:20:22 | String x | Foreach.cs:21:11:21:11 | ; | 2 |
| Foreach.cs:20:29:20:38 | call to method ToArray | Foreach.cs:20:29:20:38 | call to method ToArray | 1 |
| Foreach.cs:20:43:20:68 | call to method Empty | Foreach.cs:20:43:20:68 | call to method Empty | 1 |
| Foreach.cs:24:10:24:11 | enter M4 | Foreach.cs:26:36:26:39 | access to parameter args | 3 |
| Foreach.cs:24:10:24:11 | exit M4 | Foreach.cs:24:10:24:11 | exit M4 | 1 |
| Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | 1 |
| Foreach.cs:26:23:26:23 | String x | Foreach.cs:27:11:27:11 | ; | 4 |
| Foreach.cs:30:10:30:11 | enter M5 | Foreach.cs:32:32:32:35 | access to parameter args | 3 |
| Foreach.cs:30:10:30:11 | exit M5 | Foreach.cs:30:10:30:11 | exit M5 | 1 |
| Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | 1 |
| Foreach.cs:32:23:32:23 | String x | Foreach.cs:33:11:33:11 | ; | 4 |
| Foreach.cs:36:10:36:11 | enter M6 | Foreach.cs:38:39:38:42 | access to parameter args | 3 |
| Foreach.cs:36:10:36:11 | exit M6 | Foreach.cs:36:10:36:11 | exit M6 | 1 |
| Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | 1 |
| Foreach.cs:38:26:38:26 | String x | Foreach.cs:39:11:39:11 | ; | 4 |
| Initializers.cs:6:5:6:16 | enter Initializers | Initializers.cs:6:5:6:16 | exit Initializers | 3 |
| Initializers.cs:8:10:8:10 | enter M | Initializers.cs:8:10:8:10 | exit M | 23 |
| NullCoalescing.cs:3:9:3:10 | enter M1 | NullCoalescing.cs:3:23:3:23 | access to parameter i | 3 |
Expand Down
54 changes: 54 additions & 0 deletions csharp/ql/test/library-tests/controlflow/graph/BasicBlockDominance.expected
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Original file line number Diff line number Diff line change
Expand Up @@ -477,6 +477,33 @@
| post | Foreach.cs:20:22:20:22 | String x | Foreach.cs:20:22:20:22 | String x |
| post | Foreach.cs:20:29:20:38 | call to method ToArray | Foreach.cs:20:29:20:38 | call to method ToArray |
| post | Foreach.cs:20:43:20:68 | call to method Empty | Foreach.cs:20:43:20:68 | call to method Empty |
| post | Foreach.cs:24:10:24:11 | enter M4 | Foreach.cs:24:10:24:11 | enter M4 |
| post | Foreach.cs:24:10:24:11 | exit M4 | Foreach.cs:24:10:24:11 | enter M4 |
| post | Foreach.cs:24:10:24:11 | exit M4 | Foreach.cs:24:10:24:11 | exit M4 |
| post | Foreach.cs:24:10:24:11 | exit M4 | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... |
| post | Foreach.cs:24:10:24:11 | exit M4 | Foreach.cs:26:23:26:23 | String x |
| post | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:24:10:24:11 | enter M4 |
| post | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... |
| post | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:26:23:26:23 | String x |
| post | Foreach.cs:26:23:26:23 | String x | Foreach.cs:26:23:26:23 | String x |
| post | Foreach.cs:30:10:30:11 | enter M5 | Foreach.cs:30:10:30:11 | enter M5 |
| post | Foreach.cs:30:10:30:11 | exit M5 | Foreach.cs:30:10:30:11 | enter M5 |
| post | Foreach.cs:30:10:30:11 | exit M5 | Foreach.cs:30:10:30:11 | exit M5 |
| post | Foreach.cs:30:10:30:11 | exit M5 | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... |
| post | Foreach.cs:30:10:30:11 | exit M5 | Foreach.cs:32:23:32:23 | String x |
| post | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:30:10:30:11 | enter M5 |
| post | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... |
| post | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:32:23:32:23 | String x |
| post | Foreach.cs:32:23:32:23 | String x | Foreach.cs:32:23:32:23 | String x |
| post | Foreach.cs:36:10:36:11 | enter M6 | Foreach.cs:36:10:36:11 | enter M6 |
| post | Foreach.cs:36:10:36:11 | exit M6 | Foreach.cs:36:10:36:11 | enter M6 |
| post | Foreach.cs:36:10:36:11 | exit M6 | Foreach.cs:36:10:36:11 | exit M6 |
| post | Foreach.cs:36:10:36:11 | exit M6 | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... |
| post | Foreach.cs:36:10:36:11 | exit M6 | Foreach.cs:38:26:38:26 | String x |
| post | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:36:10:36:11 | enter M6 |
| post | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... |
| post | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:38:26:38:26 | String x |
| post | Foreach.cs:38:26:38:26 | String x | Foreach.cs:38:26:38:26 | String x |
| post | Initializers.cs:6:5:6:16 | enter Initializers | Initializers.cs:6:5:6:16 | enter Initializers |
| post | Initializers.cs:8:10:8:10 | enter M | Initializers.cs:8:10:8:10 | enter M |
| post | NullCoalescing.cs:3:9:3:10 | enter M1 | NullCoalescing.cs:3:9:3:10 | enter M1 |
Expand Down Expand Up @@ -1856,6 +1883,33 @@
| pre | Foreach.cs:20:22:20:22 | String x | Foreach.cs:20:22:20:22 | String x |
| pre | Foreach.cs:20:29:20:38 | call to method ToArray | Foreach.cs:20:29:20:38 | call to method ToArray |
| pre | Foreach.cs:20:43:20:68 | call to method Empty | Foreach.cs:20:43:20:68 | call to method Empty |
| pre | Foreach.cs:24:10:24:11 | enter M4 | Foreach.cs:24:10:24:11 | enter M4 |
| pre | Foreach.cs:24:10:24:11 | enter M4 | Foreach.cs:24:10:24:11 | exit M4 |
| pre | Foreach.cs:24:10:24:11 | enter M4 | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... |
| pre | Foreach.cs:24:10:24:11 | enter M4 | Foreach.cs:26:23:26:23 | String x |
| pre | Foreach.cs:24:10:24:11 | exit M4 | Foreach.cs:24:10:24:11 | exit M4 |
| pre | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:24:10:24:11 | exit M4 |
| pre | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... |
| pre | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:26:23:26:23 | String x |
| pre | Foreach.cs:26:23:26:23 | String x | Foreach.cs:26:23:26:23 | String x |
| pre | Foreach.cs:30:10:30:11 | enter M5 | Foreach.cs:30:10:30:11 | enter M5 |
| pre | Foreach.cs:30:10:30:11 | enter M5 | Foreach.cs:30:10:30:11 | exit M5 |
| pre | Foreach.cs:30:10:30:11 | enter M5 | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... |
| pre | Foreach.cs:30:10:30:11 | enter M5 | Foreach.cs:32:23:32:23 | String x |
| pre | Foreach.cs:30:10:30:11 | exit M5 | Foreach.cs:30:10:30:11 | exit M5 |
| pre | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:30:10:30:11 | exit M5 |
| pre | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... |
| pre | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:32:23:32:23 | String x |
| pre | Foreach.cs:32:23:32:23 | String x | Foreach.cs:32:23:32:23 | String x |
| pre | Foreach.cs:36:10:36:11 | enter M6 | Foreach.cs:36:10:36:11 | enter M6 |
| pre | Foreach.cs:36:10:36:11 | enter M6 | Foreach.cs:36:10:36:11 | exit M6 |
| pre | Foreach.cs:36:10:36:11 | enter M6 | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... |
| pre | Foreach.cs:36:10:36:11 | enter M6 | Foreach.cs:38:26:38:26 | String x |
| pre | Foreach.cs:36:10:36:11 | exit M6 | Foreach.cs:36:10:36:11 | exit M6 |
| pre | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:36:10:36:11 | exit M6 |
| pre | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... |
| pre | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:38:26:38:26 | String x |
| pre | Foreach.cs:38:26:38:26 | String x | Foreach.cs:38:26:38:26 | String x |
| pre | Initializers.cs:6:5:6:16 | enter Initializers | Initializers.cs:6:5:6:16 | enter Initializers |
| pre | Initializers.cs:8:10:8:10 | enter M | Initializers.cs:8:10:8:10 | enter M |
| pre | NullCoalescing.cs:3:9:3:10 | enter M1 | NullCoalescing.cs:3:9:3:10 | enter M1 |
Expand Down
6 changes: 6 additions & 0 deletions csharp/ql/test/library-tests/controlflow/graph/ConditionBlock.expected
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Original file line number Diff line number Diff line change
Expand Up @@ -183,6 +183,12 @@
| Foreach.cs:20:9:21:11 | foreach (... ... in ...) ... | Foreach.cs:18:10:18:11 | exit M3 | true |
| Foreach.cs:20:9:21:11 | foreach (... ... in ...) ... | Foreach.cs:20:22:20:22 | String x | false |
| Foreach.cs:20:27:20:27 | access to parameter e | Foreach.cs:20:29:20:38 | call to method ToArray | false |
| Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:24:10:24:11 | exit M4 | true |
| Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:26:23:26:23 | String x | false |
| Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:30:10:30:11 | exit M5 | true |
| Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:32:23:32:23 | String x | false |
| Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:36:10:36:11 | exit M6 | true |
| Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:38:26:38:26 | String x | false |
| NullCoalescing.cs:3:23:3:23 | access to parameter i | NullCoalescing.cs:3:28:3:28 | 0 | true |
| NullCoalescing.cs:5:25:5:25 | access to parameter b | NullCoalescing.cs:5:30:5:34 | false | true |
| NullCoalescing.cs:5:25:5:25 | access to parameter b | NullCoalescing.cs:5:39:5:39 | 0 | true |
Expand Down
48 changes: 48 additions & 0 deletions csharp/ql/test/library-tests/controlflow/graph/Dominance.expected
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Expand Up @@ -872,6 +872,30 @@
| post | Foreach.cs:20:27:20:27 | access to parameter e | Foreach.cs:20:27:20:68 | ... ?? ... |
| post | Foreach.cs:20:27:20:68 | ... ?? ... | Foreach.cs:19:5:22:5 | {...} |
| post | Foreach.cs:21:11:21:11 | ; | Foreach.cs:20:22:20:22 | String x |
| post | Foreach.cs:24:10:24:11 | exit M4 | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... |
| post | Foreach.cs:25:5:28:5 | {...} | Foreach.cs:24:10:24:11 | enter M4 |
| post | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:26:36:26:39 | access to parameter args |
| post | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:27:11:27:11 | ; |
| post | Foreach.cs:26:18:26:31 | (..., ...) | Foreach.cs:26:30:26:30 | Int32 y |
| post | Foreach.cs:26:30:26:30 | Int32 y | Foreach.cs:26:23:26:23 | String x |
| post | Foreach.cs:26:36:26:39 | access to parameter args | Foreach.cs:25:5:28:5 | {...} |
| post | Foreach.cs:27:11:27:11 | ; | Foreach.cs:26:18:26:31 | (..., ...) |
| post | Foreach.cs:30:10:30:11 | exit M5 | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... |
| post | Foreach.cs:31:5:34:5 | {...} | Foreach.cs:30:10:30:11 | enter M5 |
| post | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:32:32:32:35 | access to parameter args |
| post | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:33:11:33:11 | ; |
| post | Foreach.cs:32:18:32:27 | (..., ...) | Foreach.cs:32:26:32:26 | Int32 y |
| post | Foreach.cs:32:26:32:26 | Int32 y | Foreach.cs:32:23:32:23 | String x |
| post | Foreach.cs:32:32:32:35 | access to parameter args | Foreach.cs:31:5:34:5 | {...} |
| post | Foreach.cs:33:11:33:11 | ; | Foreach.cs:32:18:32:27 | (..., ...) |
| post | Foreach.cs:36:10:36:11 | exit M6 | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... |
| post | Foreach.cs:37:5:40:5 | {...} | Foreach.cs:36:10:36:11 | enter M6 |
| post | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:38:39:38:42 | access to parameter args |
| post | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:39:11:39:11 | ; |
| post | Foreach.cs:38:18:38:34 | (..., ...) | Foreach.cs:38:33:38:33 | Int32 y |
| post | Foreach.cs:38:33:38:33 | Int32 y | Foreach.cs:38:26:38:26 | String x |
| post | Foreach.cs:38:39:38:42 | access to parameter args | Foreach.cs:37:5:40:5 | {...} |
| post | Foreach.cs:39:11:39:11 | ; | Foreach.cs:38:18:38:34 | (..., ...) |
| post | Initializers.cs:6:5:6:16 | exit Initializers | Initializers.cs:6:28:6:30 | {...} |
| post | Initializers.cs:6:28:6:30 | {...} | Initializers.cs:6:5:6:16 | enter Initializers |
| post | Initializers.cs:8:10:8:10 | exit M | Initializers.cs:11:13:11:63 | Initializers[] iz = ... |
Expand Down Expand Up @@ -3093,6 +3117,30 @@
| pre | Foreach.cs:20:27:20:27 | access to parameter e | Foreach.cs:20:29:20:38 | call to method ToArray |
| pre | Foreach.cs:20:27:20:27 | access to parameter e | Foreach.cs:20:43:20:68 | call to method Empty |
| pre | Foreach.cs:20:27:20:68 | ... ?? ... | Foreach.cs:20:27:20:27 | access to parameter e |
| pre | Foreach.cs:24:10:24:11 | enter M4 | Foreach.cs:25:5:28:5 | {...} |
| pre | Foreach.cs:25:5:28:5 | {...} | Foreach.cs:26:36:26:39 | access to parameter args |
| pre | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:24:10:24:11 | exit M4 |
| pre | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:26:23:26:23 | String x |
| pre | Foreach.cs:26:18:26:31 | (..., ...) | Foreach.cs:27:11:27:11 | ; |
| pre | Foreach.cs:26:23:26:23 | String x | Foreach.cs:26:30:26:30 | Int32 y |
| pre | Foreach.cs:26:30:26:30 | Int32 y | Foreach.cs:26:18:26:31 | (..., ...) |
| pre | Foreach.cs:26:36:26:39 | access to parameter args | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... |
| pre | Foreach.cs:30:10:30:11 | enter M5 | Foreach.cs:31:5:34:5 | {...} |
| pre | Foreach.cs:31:5:34:5 | {...} | Foreach.cs:32:32:32:35 | access to parameter args |
| pre | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:30:10:30:11 | exit M5 |
| pre | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:32:23:32:23 | String x |
| pre | Foreach.cs:32:18:32:27 | (..., ...) | Foreach.cs:33:11:33:11 | ; |
| pre | Foreach.cs:32:23:32:23 | String x | Foreach.cs:32:26:32:26 | Int32 y |
| pre | Foreach.cs:32:26:32:26 | Int32 y | Foreach.cs:32:18:32:27 | (..., ...) |
| pre | Foreach.cs:32:32:32:35 | access to parameter args | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... |
| pre | Foreach.cs:36:10:36:11 | enter M6 | Foreach.cs:37:5:40:5 | {...} |
| pre | Foreach.cs:37:5:40:5 | {...} | Foreach.cs:38:39:38:42 | access to parameter args |
| pre | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:36:10:36:11 | exit M6 |
| pre | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:38:26:38:26 | String x |
| pre | Foreach.cs:38:18:38:34 | (..., ...) | Foreach.cs:39:11:39:11 | ; |
| pre | Foreach.cs:38:26:38:26 | String x | Foreach.cs:38:33:38:33 | Int32 y |
| pre | Foreach.cs:38:33:38:33 | Int32 y | Foreach.cs:38:18:38:34 | (..., ...) |
| pre | Foreach.cs:38:39:38:42 | access to parameter args | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... |
| pre | Initializers.cs:6:5:6:16 | enter Initializers | Initializers.cs:6:28:6:30 | {...} |
| pre | Initializers.cs:6:28:6:30 | {...} | Initializers.cs:6:5:6:16 | exit Initializers |
| pre | Initializers.cs:8:10:8:10 | enter M | Initializers.cs:9:5:12:5 | {...} |
Expand Down
21 changes: 21 additions & 0 deletions csharp/ql/test/library-tests/controlflow/graph/ElementGraph.expected
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Original file line number Diff line number Diff line change
Expand Up @@ -664,6 +664,27 @@
| Foreach.cs:20:29:20:38 | call to method ToArray | Foreach.cs:20:43:20:68 | call to method Empty | semmle.label | null |
| Foreach.cs:20:43:20:68 | call to method Empty | Foreach.cs:20:9:21:11 | foreach (... ... in ...) ... | semmle.label | successor |
| Foreach.cs:21:11:21:11 | ; | Foreach.cs:20:9:21:11 | foreach (... ... in ...) ... | semmle.label | successor |
| Foreach.cs:25:5:28:5 | {...} | Foreach.cs:26:36:26:39 | access to parameter args | semmle.label | successor |
| Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | Foreach.cs:26:23:26:23 | String x | semmle.label | non-empty |
| Foreach.cs:26:18:26:31 | (..., ...) | Foreach.cs:27:11:27:11 | ; | semmle.label | successor |
| Foreach.cs:26:23:26:23 | String x | Foreach.cs:26:30:26:30 | Int32 y | semmle.label | successor |
| Foreach.cs:26:30:26:30 | Int32 y | Foreach.cs:26:18:26:31 | (..., ...) | semmle.label | successor |
| Foreach.cs:26:36:26:39 | access to parameter args | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | semmle.label | successor |
| Foreach.cs:27:11:27:11 | ; | Foreach.cs:26:9:27:11 | foreach (... ... in ...) ... | semmle.label | successor |
| Foreach.cs:31:5:34:5 | {...} | Foreach.cs:32:32:32:35 | access to parameter args | semmle.label | successor |
| Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | Foreach.cs:32:23:32:23 | String x | semmle.label | non-empty |
| Foreach.cs:32:18:32:27 | (..., ...) | Foreach.cs:33:11:33:11 | ; | semmle.label | successor |
| Foreach.cs:32:23:32:23 | String x | Foreach.cs:32:26:32:26 | Int32 y | semmle.label | successor |
| Foreach.cs:32:26:32:26 | Int32 y | Foreach.cs:32:18:32:27 | (..., ...) | semmle.label | successor |
| Foreach.cs:32:32:32:35 | access to parameter args | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | semmle.label | successor |
| Foreach.cs:33:11:33:11 | ; | Foreach.cs:32:9:33:11 | foreach (... ... in ...) ... | semmle.label | successor |
| Foreach.cs:37:5:40:5 | {...} | Foreach.cs:38:39:38:42 | access to parameter args | semmle.label | successor |
| Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | Foreach.cs:38:26:38:26 | String x | semmle.label | non-empty |
| Foreach.cs:38:18:38:34 | (..., ...) | Foreach.cs:39:11:39:11 | ; | semmle.label | successor |
| Foreach.cs:38:26:38:26 | String x | Foreach.cs:38:33:38:33 | Int32 y | semmle.label | successor |
| Foreach.cs:38:33:38:33 | Int32 y | Foreach.cs:38:18:38:34 | (..., ...) | semmle.label | successor |
| Foreach.cs:38:39:38:42 | access to parameter args | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | semmle.label | successor |
| Foreach.cs:39:11:39:11 | ; | Foreach.cs:38:9:39:11 | foreach (... ... in ...) ... | semmle.label | successor |
| Initializers.cs:9:5:12:5 | {...} | Initializers.cs:10:9:10:54 | ... ...; | semmle.label | successor |
| Initializers.cs:10:9:10:54 | ... ...; | Initializers.cs:10:13:10:13 | access to local variable i | semmle.label | successor |
| Initializers.cs:10:13:10:13 | access to local variable i | Initializers.cs:10:34:10:35 | "" | semmle.label | successor |
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