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JavaScript: Document per-function caches in CFG extractor.

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Max Schaefer
2019-02-04 08:17:21 +00:00
parent 6ad45b2451
commit 7be3336aaf
1 changed files with 7 additions and 3 deletions
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10
javascript/extractor/src/com/semmle/js/extractor/CFGExtractor.java
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@@ -773,13 +773,17 @@ public class CFGExtractor {
public <Q, A> A accept(Visitor<Q, A> v, Q q) { return null; }
}
// associate statements with their (direct or indirect) labels
// associate statements with their (direct or indirect) labels;
// per-function cache, cleared after each function
private Map<Statement, Set<String>> loopLabels = new LinkedHashMap<Statement, Set<String>>();
// cache the set of normal control flow successors
// cache the set of normal control flow successors;
// per-function cache, cleared after each function
private Map<Node, Object> followingCache = new LinkedHashMap<Node, Object>();
// map from a node in a chain of property accesses or calls to the successor info for the first node in the chain
// map from a node in a chain of property accesses or calls to the successor info
// for the first node in the chain;
// per-function cache, cleared after each function
private Map<Chainable, SuccessorInfo> chainRootSuccessors = new LinkedHashMap<Chainable, SuccessorInfo>();
/**