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implement Parse, Mainmodule;
include "sys.m";
sys: Sys;
include "draw.m";
include "sh.m";
sh: Sh;
include "alphabet/reports.m";
reports: Reports;
Report, report: import reports;
include "alphabet.m";
alphabet: Alphabet;
Value: import alphabet;
Parse: module {};
typesig(): string
{
return "cs";
}
init()
{
sys = load Sys Sys->PATH;
alphabet = load Alphabet Alphabet->PATH;
sh = load Sh Sh->PATH;
sh->initialise();
}
quit()
{
}
run(nil: ref Draw->Context, nil: ref Reports->Report, errorc: chan of string,
nil: list of (int, list of ref Value),
args: list of ref Value): ref Value
{
(c, err) := sh->parse((hd args).s().i);
if(c == nil){
report(errorc, sys->sprint("parse: parse %q failed: %s", (hd args).s().i, err));
return nil;
}
return ref Value.Vc(c);
}
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