The jjs Command-Line Tool - Scripting in Java: Integrating with Groovy and JavaScript - page 289

Table 10-1. ( continued )

Option Description

--early-lvalue-error Reports invalid lvalue expressions as early errors

when the code is parsed. By default, it is set to true .
When set to false, invalid lvalue expressions are
reported when the code is executed.

--empty-statements Preserves empty statements in the Java abstract

syntax tree (AST). By default, it is set to false .

-fv
-fullversion

Prints the full version of the Nashorn engine.

--function-statement-error Prints an error message when a function declaration
is used as a statement. The default is set to false .
--function-statement-warning Prints a warning message when a function declaration
is used as a statement. The default is set to false .

-fx Launches the script as a JavaFX application.

--global-per-engine Uses a single global instance per script engine

instance. The default is false .

-help
-h

Outputs the help message and exits.

-J<flag> Passes the specified <flag> to the JVM.

-language Specifies the ECMAScript language version. Valid

values are es5 and es6 . The default is es5 .

--lazy-compilation Enables lazy code generation strategies by not

compiling the entire script at once. The default is true .

--loader-per-compile

Creates a new class loader per compile. The default
is true .

-l
--locale

Sets the locale for script execution. The default is
en-US .

--log=subsystem:lebel Enables logging of a given level for a given number

of subsystems, for example, --log=fields:finest,
codegen:info . Logging for multiple subsystems are
separated by commas.

-nj
--no-java

Disables Java support. The default is false , meaning
that using Java classes in scripts are allowed.

-nse
--no-syntax-extensions

Disallows nonstandard syntax extensions. The
default is false .

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