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Rust: Add additional tests for intraprocedural data flow
This commit is contained in:
Simon Friis Vindum
Родитель
b3668f8183
Коммит
bacc37d886
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@ -1,31 +1,61 @@
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| main.rs:2:9:2:9 | [SSA] s | main.rs:3:33:3:33 | s |
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| main.rs:2:13:2:19 | "Hello" | main.rs:2:9:2:9 | s |
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| main.rs:6:18:6:21 | [SSA] cond | main.rs:9:16:9:19 | cond |
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| main.rs:7:9:7:9 | [SSA] a | main.rs:10:9:10:9 | a |
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| main.rs:7:13:7:13 | 1 | main.rs:7:9:7:9 | a |
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| main.rs:8:9:8:9 | [SSA] b | main.rs:12:9:12:9 | b |
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| main.rs:8:13:8:13 | 2 | main.rs:8:9:8:9 | b |
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| main.rs:9:9:9:9 | [SSA] c | main.rs:14:5:14:5 | c |
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| main.rs:9:13:13:5 | IfExpr | main.rs:9:9:9:9 | c |
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| main.rs:9:21:11:5 | BlockExpr | main.rs:9:13:13:5 | IfExpr |
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| main.rs:10:9:10:9 | a | main.rs:9:21:11:5 | BlockExpr |
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| main.rs:11:12:13:5 | BlockExpr | main.rs:9:13:13:5 | IfExpr |
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| main.rs:12:9:12:9 | b | main.rs:11:12:13:5 | BlockExpr |
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| main.rs:14:5:14:5 | c | main.rs:6:37:15:1 | BlockExpr |
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| main.rs:18:9:18:9 | [SSA] a | main.rs:20:15:20:15 | a |
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| main.rs:18:13:18:13 | 1 | main.rs:18:9:18:9 | a |
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| main.rs:19:9:19:9 | [SSA] b | main.rs:22:5:22:5 | b |
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| main.rs:19:13:21:5 | LoopExpr | main.rs:19:9:19:9 | b |
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| main.rs:20:9:20:15 | BreakExpr | main.rs:19:13:21:5 | LoopExpr |
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| main.rs:20:15:20:15 | a | main.rs:20:9:20:15 | BreakExpr |
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| main.rs:22:5:22:5 | b | main.rs:17:29:23:1 | BlockExpr |
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| main.rs:26:17:26:17 | 1 | main.rs:26:9:26:13 | i |
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| main.rs:27:5:27:5 | [SSA] i | main.rs:28:5:28:5 | i |
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| main.rs:27:5:27:5 | i | main.rs:27:5:27:5 | [SSA] i |
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| main.rs:28:5:28:5 | i | main.rs:25:24:29:1 | BlockExpr |
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| main.rs:31:21:31:21 | [SSA] a | main.rs:33:20:33:20 | a |
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| main.rs:31:29:31:29 | [SSA] b | main.rs:34:17:34:17 | b |
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| main.rs:31:37:31:37 | [SSA] c | main.rs:32:11:32:11 | c |
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| main.rs:32:5:35:5 | MatchExpr | main.rs:31:60:36:1 | BlockExpr |
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| main.rs:33:20:33:20 | a | main.rs:32:5:35:5 | MatchExpr |
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| main.rs:34:17:34:17 | b | main.rs:32:5:35:5 | MatchExpr |
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| main.rs:3:11:3:11 | [SSA] i | main.rs:4:12:4:12 | i |
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| main.rs:4:5:4:12 | ... + ... | main.rs:3:26:5:1 | BlockExpr |
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| main.rs:7:9:7:9 | [SSA] s | main.rs:8:20:8:20 | s |
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| main.rs:19:9:19:9 | [SSA] s | main.rs:20:10:20:10 | s |
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| main.rs:19:13:19:21 | CallExpr | main.rs:19:9:19:9 | s |
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| main.rs:23:18:23:21 | [SSA] cond | main.rs:26:16:26:19 | cond |
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| main.rs:24:9:24:9 | [SSA] a | main.rs:26:23:26:23 | a |
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| main.rs:24:13:24:21 | CallExpr | main.rs:24:9:24:9 | a |
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| main.rs:25:9:25:9 | [SSA] b | main.rs:26:34:26:34 | b |
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| main.rs:25:13:25:13 | 2 | main.rs:25:9:25:9 | b |
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| main.rs:26:9:26:9 | [SSA] c | main.rs:27:10:27:10 | c |
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| main.rs:26:13:26:36 | IfExpr | main.rs:26:9:26:9 | c |
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| main.rs:26:21:26:25 | BlockExpr | main.rs:26:13:26:36 | IfExpr |
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| main.rs:26:23:26:23 | a | main.rs:26:21:26:25 | BlockExpr |
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| main.rs:26:32:26:36 | BlockExpr | main.rs:26:13:26:36 | IfExpr |
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| main.rs:26:34:26:34 | b | main.rs:26:32:26:36 | BlockExpr |
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| main.rs:30:21:30:21 | [SSA] m | main.rs:32:19:32:19 | m |
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| main.rs:31:9:31:9 | [SSA] a | main.rs:33:20:33:20 | a |
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| main.rs:31:13:31:21 | CallExpr | main.rs:31:9:31:9 | a |
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| main.rs:32:9:32:9 | [SSA] b | main.rs:36:10:36:10 | b |
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| main.rs:32:13:35:5 | MatchExpr | main.rs:32:9:32:9 | b |
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| main.rs:33:20:33:20 | a | main.rs:32:13:35:5 | MatchExpr |
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| main.rs:34:17:34:17 | 0 | main.rs:32:13:35:5 | MatchExpr |
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| main.rs:40:9:40:9 | [SSA] a | main.rs:43:10:43:10 | a |
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| main.rs:40:13:42:5 | LoopExpr | main.rs:40:9:40:9 | a |
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| main.rs:41:9:41:15 | BreakExpr | main.rs:40:13:42:5 | LoopExpr |
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| main.rs:41:15:41:15 | 1 | main.rs:41:9:41:15 | BreakExpr |
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| main.rs:44:9:44:9 | [SSA] b | main.rs:47:10:47:10 | b |
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| main.rs:44:13:46:5 | LoopExpr | main.rs:44:9:44:9 | b |
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| main.rs:45:9:45:23 | BreakExpr | main.rs:44:13:46:5 | LoopExpr |
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| main.rs:45:15:45:23 | CallExpr | main.rs:45:9:45:23 | BreakExpr |
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| main.rs:51:9:51:13 | [SSA] i | main.rs:52:10:52:10 | i |
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| main.rs:51:17:51:17 | 1 | main.rs:51:9:51:13 | i |
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| main.rs:53:5:53:5 | [SSA] i | main.rs:54:10:54:10 | i |
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| main.rs:53:5:53:5 | i | main.rs:53:5:53:5 | [SSA] i |
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| main.rs:61:9:61:9 | [SSA] i | main.rs:62:11:62:11 | i |
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| main.rs:61:13:61:31 | CallExpr | main.rs:61:9:61:9 | i |
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| main.rs:66:9:66:9 | [SSA] a | main.rs:67:10:67:10 | a |
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| main.rs:66:13:66:26 | TupleExpr | main.rs:66:9:66:9 | a |
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| main.rs:67:10:67:10 | a | main.rs:68:10:68:10 | a |
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| main.rs:78:9:78:9 | [SSA] p | main.rs:83:10:83:10 | p |
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| main.rs:78:13:82:5 | RecordExpr | main.rs:78:9:78:9 | p |
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| main.rs:83:10:83:10 | p | main.rs:84:10:84:10 | p |
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| main.rs:84:10:84:10 | p | main.rs:85:10:85:10 | p |
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| main.rs:92:9:92:9 | [SSA] p | main.rs:97:38:97:38 | p |
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| main.rs:92:13:96:5 | RecordExpr | main.rs:92:9:92:9 | p |
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| main.rs:97:20:97:20 | [SSA] a | main.rs:98:10:98:10 | a |
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| main.rs:97:26:97:26 | [SSA] b | main.rs:99:10:99:10 | b |
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| main.rs:97:32:97:32 | [SSA] c | main.rs:100:10:100:10 | c |
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| main.rs:97:38:97:38 | p | main.rs:97:9:97:34 | RecordPat |
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| main.rs:104:9:104:10 | [SSA] s1 | main.rs:106:11:106:12 | s1 |
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| main.rs:104:14:104:28 | CallExpr | main.rs:104:9:104:10 | s1 |
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| main.rs:105:9:105:10 | [SSA] s2 | main.rs:110:11:110:12 | s2 |
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| main.rs:105:14:105:20 | CallExpr | main.rs:105:9:105:10 | s2 |
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| main.rs:107:14:107:14 | [SSA] n | main.rs:107:25:107:25 | n |
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| main.rs:107:20:107:26 | CallExpr | main.rs:106:5:109:5 | MatchExpr |
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| main.rs:108:17:108:23 | CallExpr | main.rs:106:5:109:5 | MatchExpr |
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| main.rs:110:5:113:5 | MatchExpr | main.rs:103:27:114:1 | BlockExpr |
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| main.rs:111:14:111:14 | [SSA] n | main.rs:111:25:111:25 | n |
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| main.rs:111:20:111:26 | CallExpr | main.rs:110:5:113:5 | MatchExpr |
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| main.rs:112:17:112:23 | CallExpr | main.rs:110:5:113:5 | MatchExpr |
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@ -0,0 +1,8 @@
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models
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edges
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nodes
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| main.rs:15:10:15:18 | CallExpr | semmle.label | CallExpr |
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subpaths
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testFailures
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#select
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| main.rs:15:10:15:18 | CallExpr | main.rs:15:10:15:18 | CallExpr | main.rs:15:10:15:18 | CallExpr | $@ | main.rs:15:10:15:18 | CallExpr | CallExpr |
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@ -0,0 +1,12 @@
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/**
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* @kind path-problem
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*/
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import rust
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import utils.InlineFlowTest
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import DefaultFlowTest
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import ValueFlow::PathGraph
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from ValueFlow::PathNode source, ValueFlow::PathNode sink
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where ValueFlow::flowPath(source, sink)
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select sink, source, sink, "$@", source, source.toString()
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@ -1,41 +1,128 @@
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fn variable() {
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let s = "Hello";
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println!("{:?} data flow!", s);
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// Tests for intraprocedural data flow.
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fn source(i: i64) -> i64 {
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1000 + i
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}
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fn if_expression(cond: bool) -> i64 {
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let a = 1;
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fn sink(s: i64) {
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println!("{}", s);
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}
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// -----------------------------------------------------------------------------
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// Simple data flow through expressions and assignments
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fn direct() {
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sink(source(1)); // $ hasValueFlow=1
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}
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fn variable_usage() {
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let s = source(1);
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sink(s); // $ MISSING: hasValueFlow=1
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}
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fn if_expression(cond: bool) {
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let a = source(1);
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let b = 2;
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let c = if cond {
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a
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} else {
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b
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};
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c
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let c = if cond { a } else { b };
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sink(c); // $ MISSING: hasValueFlow=1
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}
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fn loop_expression() -> i64 {
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let a = 1;
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let b = loop {
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break a;
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};
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b
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}
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fn assignment() -> i64 {
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let mut i = 1;
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i = 2;
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i
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}
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fn match_expression(a: i64, b: i64, c: Option<i64>) -> i64 {
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match c {
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fn match_expression(m: Option<i64>) {
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let a = source(1);
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let b = match m {
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Some(_) => a,
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None => b,
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None => 0,
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};
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sink(b); // $ MISSING: hasValueFlow=1
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}
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fn loop_with_break() {
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let a = loop {
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break 1;
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};
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sink(a);
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let b = loop {
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break source(1);
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};
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sink(b); // $ MISSING: hasValueFlow=1
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}
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fn assignment() {
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let mut i = 1;
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sink(i);
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i = source(2);
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sink(i); // $ MISSING: hasValueFlow=2
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}
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// -----------------------------------------------------------------------------
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// Data flow through data structures by writing and reading
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fn box_deref() {
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let i = Box::new(source(1));
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sink(*i); // $ MISSING: hasValueFlow=1
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}
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fn tuple() {
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let a = (source(1), 2);
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sink(a.0); // $ MISSING: hasValueFlow=1
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sink(a.1);
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}
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struct Point {
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x: i64,
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y: i64,
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z: i64,
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}
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fn struct_field() {
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let p = Point {
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x: source(1),
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y: 2,
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z: source(3),
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};
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sink(p.x); // MISSING: hasValueFlow=1
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sink(p.y);
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sink(p.z); // MISSING: hasValueFlow=3
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}
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// -----------------------------------------------------------------------------
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// Data flow through data structures by pattern matching
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fn struct_pattern_match() {
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let p = Point {
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x: source(1),
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y: 2,
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z: source(3),
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};
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let Point { x: a, y: b, z: c } = p;
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sink(a); // MISSING: hasValueFlow=1
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sink(b);
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sink(c); // MISSING: hasValueFlow=3
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}
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fn option_pattern_match() {
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let s1 = Some(source(1));
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let s2 = Some(2);
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match s1 {
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Some(n) => sink(n), // MISSING: hasValueFlow=3
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None => sink(0),
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}
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match s2 {
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Some(n) => sink(n),
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None => sink(0),
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}
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}
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fn main() {
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variable();
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direct();
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variable_usage();
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if_expression(true);
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match_expression(Some(0));
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loop_with_break();
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assignment();
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box_deref();
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tuple();
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struct_field();
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struct_pattern_match();
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option_pattern_match();
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}
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