Isabelle module. Initial version providing function to strip Isabelle/ML/Pascal-style comments.
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# vim:ft=zsh ts=4 sw=2 sts=2
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#
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# Isabelle Plugin for ZSH
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#
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# Copyright (C) 2017 Achim D. Brucker, https://www.brucker.ch
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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zmodload zsh/pcre
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isabelle-strip-comments() {
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local stripped
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stripped=` echo "$1" | awk -e '
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BEGIN {
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found=0;
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}{
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spos=index($0,"(*");
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epos=index($0,"*)");
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if(spos > 0 && epos ==0) {
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printf("%s\n",substr($0,1,spos-1));
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found=1;
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} else if(spos == 0 && epos >0) {
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found=0;
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if(length($0) != epos+1) {
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printf("%s\n",substr($0,epos+2));
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}
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} else if(spos > 0 && epos > 0) {
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printf("%s %s\n",substr($0,1,spos-1),substr($0,epos+2));
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} else if(found==0) {
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print;
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}
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}' `
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echo "$stripped"
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}
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