diff options
| -rw-r--r-- | docs/DEVELOPER_README | 11 | ||||
| -rw-r--r-- | src/jdk/nashorn/internal/runtime/options/Options.java | 11 |
2 files changed, 22 insertions, 0 deletions
diff --git a/docs/DEVELOPER_README b/docs/DEVELOPER_README index 3bd220b2..d0587ce6 100644 --- a/docs/DEVELOPER_README +++ b/docs/DEVELOPER_README @@ -13,6 +13,17 @@ properties described herein are subject to change without notice. This documentation of the system property flags assume that the default value of the flag is false, unless otherwise specified. +SYSTEM PROPERTY: -Dnashorn.args=<string> + +This property takes as its value a space separated list of Nashorn +command line options that should be passed to Nashorn. This might be useful +in environments where it is hard to tell how a nashorn.jar is launched. + +Example: + +> java -Dnashorn.args="--lazy-complation --log=compiler" large-java-app-with-nashorn.jar +> ant -Dnashorn.args="--log=codegen" antjob + SYSTEM PROPERTY: -Dnashorn.unstable.relink.threshold=x This property controls how many call site misses are allowed before a diff --git a/src/jdk/nashorn/internal/runtime/options/Options.java b/src/jdk/nashorn/internal/runtime/options/Options.java index 0f30b1a1..3e09fa57 100644 --- a/src/jdk/nashorn/internal/runtime/options/Options.java +++ b/src/jdk/nashorn/internal/runtime/options/Options.java @@ -66,6 +66,9 @@ public final class Options { /** The options map of enabled options */ private final TreeMap<String, Option<?>> options; + /** System property that can be used for command line option propagation */ + private static final String NASHORN_ARGS_PROPERTY = "nashorn.args"; + /** * Constructor * @@ -386,6 +389,14 @@ public final class Options { final LinkedList<String> argList = new LinkedList<>(); Collections.addAll(argList, args); + final String extra = getStringProperty(NASHORN_ARGS_PROPERTY, null); + if (extra != null) { + final StringTokenizer st = new StringTokenizer(extra); + while (st.hasMoreTokens()) { + argList.add(st.nextToken()); + } + } + while (!argList.isEmpty()) { final String arg = argList.remove(0); |