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Merge pull request #17947 from paldepind/rust-ssa-node-printing

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Rust: Mark SSA data flow nodes in output and hide them in paths
This commit is contained in:
Simon Friis Vindum
2024-11-11 09:55:26 +01:00
committed by GitHub
parent e3662fa97f 55796badaf
commit bf07aa1cbd
2 changed files with 14 additions and 17 deletions
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7
rust/ql/lib/codeql/rust/dataflow/internal/DataFlowImpl.qll
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@@ -180,12 +180,9 @@ module Node {
SsaImpl::DefinitionExt getDefinitionExt() { result = def }
/** Holds if this node should be hidden from path explanations. */
abstract predicate isHidden();
override Location getLocation() { result = node.getLocation() }
override string toString() { result = node.toString() }
override string toString() { result = "[SSA] " + node.toString() }
}
/** A data flow node that represents a value returned by a callable. */
@@ -318,7 +315,7 @@ module RustDataFlow implements InputSig<Location> {
DataFlowType getNodeType(Node node) { any() }
predicate nodeIsHidden(Node node) { none() }
predicate nodeIsHidden(Node node) { node instanceof Node::SsaNode }
class DataFlowExpr = ExprCfgNode;

24
rust/ql/test/library-tests/dataflow/local/DataFlowStep.expected
View File

@@ -1,24 +1,24 @@
| main.rs:2:9:2:9 | s | main.rs:3:33:3:33 | s |
| main.rs:6:18:6:21 | cond | main.rs:9:16:9:19 | cond |
| main.rs:7:9:7:9 | a | main.rs:10:9:10:9 | a |
| main.rs:8:9:8:9 | b | main.rs:12:9:12:9 | b |
| main.rs:9:9:9:9 | c | main.rs:14:5:14:5 | c |
| main.rs:2:9:2:9 | [SSA] s | main.rs:3:33:3:33 | s |
| main.rs:6:18:6:21 | [SSA] cond | main.rs:9:16:9:19 | cond |
| main.rs:7:9:7:9 | [SSA] a | main.rs:10:9:10:9 | a |
| main.rs:8:9:8:9 | [SSA] b | main.rs:12:9:12:9 | b |
| main.rs:9:9:9:9 | [SSA] c | main.rs:14:5:14:5 | c |
| main.rs:9:21:11:5 | BlockExpr | main.rs:9:13:13:5 | IfExpr |
| main.rs:10:9:10:9 | a | main.rs:9:21:11:5 | BlockExpr |
| main.rs:11:12:13:5 | BlockExpr | main.rs:9:13:13:5 | IfExpr |
| main.rs:12:9:12:9 | b | main.rs:11:12:13:5 | BlockExpr |
| main.rs:14:5:14:5 | c | main.rs:6:37:15:1 | BlockExpr |
| main.rs:18:9:18:9 | a | main.rs:20:15:20:15 | a |
| main.rs:19:9:19:9 | b | main.rs:22:5:22:5 | b |
| main.rs:18:9:18:9 | [SSA] a | main.rs:20:15:20:15 | a |
| main.rs:19:9:19:9 | [SSA] b | main.rs:22:5:22:5 | b |
| main.rs:20:9:20:15 | BreakExpr | main.rs:19:13:21:5 | LoopExpr |
| main.rs:20:15:20:15 | a | main.rs:20:9:20:15 | BreakExpr |
| main.rs:22:5:22:5 | b | main.rs:17:29:23:1 | BlockExpr |
| main.rs:27:5:27:5 | i | main.rs:27:5:27:5 | i |
| main.rs:27:5:27:5 | i | main.rs:28:5:28:5 | i |
| main.rs:27:5:27:5 | [SSA] i | main.rs:28:5:28:5 | i |
| main.rs:27:5:27:5 | i | main.rs:27:5:27:5 | [SSA] i |
| main.rs:28:5:28:5 | i | main.rs:25:24:29:1 | BlockExpr |
| main.rs:31:21:31:21 | a | main.rs:33:20:33:20 | a |
| main.rs:31:29:31:29 | b | main.rs:34:17:34:17 | b |
| main.rs:31:37:31:37 | c | main.rs:32:11:32:11 | c |
| main.rs:31:21:31:21 | [SSA] a | main.rs:33:20:33:20 | a |
| main.rs:31:29:31:29 | [SSA] b | main.rs:34:17:34:17 | b |
| main.rs:31:37:31:37 | [SSA] c | main.rs:32:11:32:11 | c |
| main.rs:32:5:35:5 | MatchExpr | main.rs:31:60:36:1 | BlockExpr |
| main.rs:33:20:33:20 | a | main.rs:32:5:35:5 | MatchExpr |
| main.rs:34:17:34:17 | b | main.rs:32:5:35:5 | MatchExpr |