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#!/usr/bin/env nomsu -V6.15.13.8
#
Tool to print out a parse tree of files in an easy-to-read format. Usage:
nomsu tools/parse.nom file1 file2 directory1 ...
use "filesystem"
use "commandline"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(print tree $t at indent $indent) means:
if $t.type is:
"Action":
say "\($indent)Action (\($t.stub)):"
for $arg in $t:
if ($arg is syntax tree):
print tree $arg at indent "\$indent "
"MethodCall":
say "\($indent)MethodCall on:"
print tree $t.1 at indent "\$indent "
print tree $t.2 at indent "\$indent "
"Number":
say "\$indent\($t.1)"
"Var":
say "\($indent)$\($t.1)"
else:
say "\$indent\($t.type):"
for $arg in $t:
when:
($arg is syntax tree):
print tree $arg at indent "\$indent "
else:
say "\$indent \(quote $arg)"
($ as xml) means:
when (type of $) is:
"a Syntax Tree":
$body = ([: for $bit in $: add ($bit as xml)], joined with " ")
if ($.type == "Action"):
return ("
<Action name="\(($, get stub) as xml)">\$body</Action>
")
..else:
return ("
<\($.type)>\$body</\($.type)>
")
"Text":
return ($, with "&" -> "&", with "\"" -> """, with "'" -> "'", with "<" -> "<", with ">" -> ">")
else:
return "\$"
command line program with $args:
for $filename in $args.extras:
$file = (read file $filename)
unless $file:
fail "File does not exist: \$filename"
$nomsu = (NomsuCode from (Source $filename 1 (size of $file)) $file)
$tree = ($nomsu parsed)
if ($args.x or $args.xml):
say ($tree as xml)
..else:
print tree $tree at indent ""
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