forked from Mirrors/freeswitch
fff98f6316
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3693 d0543943-73ff-0310-b7d9-9358b9ac24b2
168 lines
3.5 KiB
Groff
168 lines
3.5 KiB
Groff
.TH JS 1 "22 July 2006"
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.SH NAME
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.BR js " - Mozilla JavaScript Shell"
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.SH SYNOPSIS
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.B js
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.RB [ -w ]
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.RB [ -W ]
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.RB [ -S ]
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.RB [ -x ]
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.RB [ -C ]
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.RB [ -c
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.IR stackchunksize ]
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.RB [ -S
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.IR maxstacksize ]
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.RB [ -b
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.IR maxbranches ]
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.RB [ -P ]
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.RB [ -v
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.IR version ]
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.RB [ -e
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.IR script ]
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.RB [ -f
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.IR scriptfile ]
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.RI [ scriptfile ]
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.RI [ scriptarg " ..." "" ]
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.SH DESCRIPTION
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The Mozilla JavaScript Shell
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.B js
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is a command line interface to the
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.B Mozilla JavaScript
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language engine ("SpiderMonkey"),
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as provided by the
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.B OSSP js
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distribution.
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The
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.B js
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program provides a test vehicle for easily evaluating JavaScript scripts, calling JavaScript functions,
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trying out debugger primitives, etc.
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.SH OPTIONS
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.SS Compile-Time Options
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.TP 8
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.B -w
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Disable the printing of warnings.
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.TP 8
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.B -W
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Enable the printing of warnings.
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.TP 8
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.B -s
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Enable strict language parsing during compile-time.
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This will print warnings on dubious JavaScript programming practices.
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.TP 8
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.B -x
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Enable ECMAScript for XML (E4X) support during compile-time.
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.TP 8
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.B -C
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Compile only. This compiles the script but does not
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execute it.
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.SS Run-Time Options
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.TP 8
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.BI -c " stackchunksize"
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Set the stack chunk size to
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.I stackchunksize
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bytes. The default is
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.BR 8192 .
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.TP 8
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.BI -S " maxstacksize"
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Set a maximum stack size limit to
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.I maxstacksize
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bytes in order to restruct script resource consumption.
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The default is a stack of unlimited size.
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.TP 8
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.BI -b " maxbranches"
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Set a maximum branch number limit to
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.I maxbranches
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in order to restrict script resource consumption. The default is an
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unlimited number of branches.
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.TP 8
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.B -P
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In case the prototype object of the (potentially changed) global object
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is no longer connected to the global class, create a new global object
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(which is again connected to the global class) and set its prototype
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object to the old global object.
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.TP 8
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.BI -v " version"
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override the numerical JavaScript version number, which the JavaScript
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.B version()
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function returns, with the value
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.IR version .
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The argument
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.I version
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usually is one of the following integer values:
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.B 0
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(default),
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.B 100
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(JS 1.0),
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.B 110
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(JS 1.1),
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.B 120
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(JS 1.2),
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.B 130
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(JS 1.3),
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.B 140
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(JS 1.4),
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.B 148
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(ECMA-3),
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.B 150
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(JS 1.5),
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.B 160
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(JS 1.6).
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.SS Script Execution
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.TP 8
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.BI -e " script"
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Command-line passed JavaScript script to execute.
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This is executed immediately during command
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line parsing, so specify it after
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.B "Compile-Time Options"
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and
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.BR "Run-Time Options" .
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.TP 7
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.BI -f " scriptfile"
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Externally passed JavaScript script to execute.
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This is executed immediately during command
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line parsing, so specify it after
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.B "Compile-Time Options"
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and
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.BR "Run-Time Options" .
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.SH ARGUMENTS
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.TP 8
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.RI scriptfile
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Externally passed JavaScript script to execute.
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This is executed after command line parsing
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(and this way after scripts of options
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.BR -e " and " -f
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were executed.
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This additional way of executing an external JavaScript
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script exists to especially support Unix "shebang"
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style scripts.
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.TP 8
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.IR scriptarg
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Zero or more arguments which are passed to the executed
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.IR scriptfile .
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They are available in the script through the global
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array object
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.BR arguments .
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.SH SEE ALSO
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.BR js ( 3 ),
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.BR js-config ( 1 )
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.PP
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.RS 0
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http://www.mozilla.org/js/spidermonkey/
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.RE
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.RS 0
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http://www.ossp.org/pkg/lib/js/
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.RE
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.SH AUTHOR
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The author of the
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.B Mozilla JavaScript
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language implementation ("SpiderMonkey") is
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.I Brendan Eich
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from the
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.IR "Mozilla Foundation" .
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This manual page was written by
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.I Ralf S. Engelschall
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for the
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.B OSSP js
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distribution of
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.BR "Mozilla JavaScript" .
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