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#!/bin/bash
# See also: http://www.alchemylab.com/dictionary.htm#sectH:
# The Hermaphrodite represents Sulfur and Mercury after their
# Conjunction. Rebis (something double in characteristics) is another
# designation for this point in the alchemy of transformation.
prompt()
{
echo "$*"
read A
[ "$A" == "y" ] && return 1
return 0
}
echo Press enter to execute commands ending in ...
echo
prompt " 0. Cleaning up ./self ..."
mkdir -p self | exit 1
rm -rf self/*
prompt " 1. Copying the grammar to self..."
cp -r parser/grammar parser/inc self
prompt \
" 2. Run (in ./self) ../tmp/bin/binary on the grammar using ../skeletons"
cd self && ../tmp/bin/binary -S ../skeletons grammar
cd ..
prompt " 3. Copy the generated parserbase.h and parse.cc to ./parser"
cp ./self/parse.cc ./self/parserbase.h ./parser
prompt " 4. Rebuild: rebuilding the program ('build program')"
touch scanner/a
rm -f scanner/scanner.ih.gch parser/parser.ih.gch
build -P program || exit 1
echo
prompt " 5. Again: run '../tmp/bin/binary' on grammar"
cd self && ../tmp/bin/binary -S ../skeletons grammar
cd ..
echo " 6. Diffs should show differences in timestamps only:"
for file in parserbase.h parse.cc
do
prompt " RUN: 'diff self/$file parser' ..."
diff self/$file parser
echo
done
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