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sh - command interface
include "sh.m";
Command: module
{
PATH: con "/dis/sh.dis";
init: fn(ctxt: ref Draw->Context, argv: list of string);
};
Description
A generic module interface appropriate for modules launched by the Inferno shell.
ctxt
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The ctxt parameter is of type ref Draw->Context and can be used by graphical applications.
|
argv
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The argv parameter is of type list of string. The Inferno shell constructs this list from the fields parsed from the user's response line to the command prompt. The module (command) being invoked (the leftmost field) is made the first accessible item of the list. The other fields are accessible in the order entered.
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Using this interface, a module (not just the Inferno control console) can launch a command-style module (specified at run time by filename, the second operand to Limbo's load operator).
Example
include "sh.m";
cmd:= load Command filename;
define ctxt
construct argv with module name at the head of the list
cmd->init(ctxt, argv);
Caveat
The usual convention of using ModuleType ->PATH in the load expression is inappropriate in this case.
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