asmhatreandClaude Sonnet 5
f59c1de96d
Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01B38FGKKam5SCGgwgduVAh3
33 lines
1.2 KiB
Bash
Executable File
33 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# The most useful demonstrations of a preview API are the compile errors. This compiles the same
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# JDK 26 sources with the 26 and the 27 compiler and commits what javac actually said.
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# ./scripts/broken-on-27.sh -> docs/output/20-broken-*.txt
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set -uo pipefail
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source "$(dirname "$0")/env.sh"
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SRC="$ROOT/jep-tour/src"
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compile() { # jdk-home release file -> prints javac's own output, then its real exit code
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local out rc
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out="$( cd "$SRC/broken" && "$1/bin/javac" --enable-preview --release "$2" -Xlint:-preview -d "$ROOT/build/broken-$2" "$3" 2>&1 )"; rc=$?
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printf '%s\n' "$out" | grep -v -E '^(Note: |$)' || true
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echo "exit=$rc"
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}
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for f in Pem26Style StructuredScope26 Lazy26; do
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out="$OUT/20-broken-$(echo "$f" | tr 'A-Z' 'a-z').txt"
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{
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echo "\$ javac --enable-preview --release 26 $f.java (JDK 26)"
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compile "$JDK26" 26 "$f.java"
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echo
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echo "\$ javac --enable-preview --release 27 $f.java (JDK 27)"
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compile "$JDK27" 27 "$f.java"
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} > "$out" 2>&1
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echo "wrote $out"
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done
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{
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echo "\$ javac --enable-preview --release 27 Dominated.java (JDK 27)"
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compile "$JDK27" 27 Dominated.java
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} > "$OUT/20-broken-dominated.txt" 2>&1
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echo "wrote $OUT/20-broken-dominated.txt"
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