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#!/usr/bin/env nomsu -V4.12.12.8
#
Tool to find and replace one tree with another.
nomsu tools/replace.nom [-i] tree_to_replace replacement file1 file2 directory1 ...
If "-i" is the first argument, replacements will be performed in-place. Otherwise, the
upgraded code will be printed.
use "lib/os.nom"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
barf "Deprecated."
if ((size of %args.extra_args) < 3):
say "Usage: nomsu tools/replace.nom [-i] tree_to_replace replacement files..."
lua> "os.exit(1)"
%pattern = (%args.extra_args.1 parsed)
%replacement = (%args.extra_args.2 parsed)
for %filename in %args.extra_args at %i:
if (%i < 3):
do next %i
%file = (read file %filename)
unless %file:
barf "File does not exist: \%filename"
%nomsu = (NomsuCode from (Source %filename 1 (size of %file)) %file)
%tree = (%nomsu parsed)
# TODO: fix this to use variable substitution
%tree2 = (%tree::map (for %subtree: if (%subtree == %pattern): return %replacement))
if (%tree2 == %tree):
say "No changes in \%filename"
do next %filename
%text = ((%tree2 as nomsu)::text)
when:
%args."-i":
say "Replaced in \%filename"
write %text to file %filename
else:
say %text
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