asmhatreandClaude Sonnet 5.5
b31c6716a3
Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01KqJyCidz3ZgRyHABv2GVJh
23 lines
986 B
Plaintext
23 lines
986 B
Plaintext
$ java -version
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openjdk version "25.0.4.1" 2026-08-18 LTS
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OpenJDK Runtime Environment Temurin-25.0.4.1+1 (build 25.0.4.1+1-LTS)
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OpenJDK 64-Bit Server VM Temurin-25.0.4.1+1 (build 25.0.4.1+1-LTS, mixed mode, sharing)
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$ unzip -p lib/src.zip java.base/java/util/regex/Pattern.java | sed -n "/Optimize the greedy Loop/,/^ }$/p"
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// Optimize the greedy Loop to prevent exponential backtracking, IF there
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// is no group ref in this pattern. With a non-negative localTCNCount value,
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// the greedy type Loop, Curly will skip the backtracking for any starting
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// position "i" that failed in the past.
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if (!hasGroupRef) {
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for (Node node : topClosureNodes) {
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if (node instanceof Loop) {
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// non-deterministic-greedy-group
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((Loop)node).posIndex = localTCNCount++;
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}
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}
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}
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$ grep -ci timeout Pattern.java Matcher.java
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Pattern.java: 0
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Matcher.java: 0
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