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7bfff37f01
Add an example to demonstrate the use of push parser. I'm pleasantly surprised: parse.error=detailed works like a charm with push parsers. * examples/c/local.mk, examples/c/pushcalc/Makefile * examples/c/pushcalc/README.md, examples/c/pushcalc/calc.test, * examples/c/pushcalc/calc.y, examples/c/pushcalc/local.mk: New.
43 lines
969 B
Bash
43 lines
969 B
Bash
#! /bin/sh
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# Copyright (C) 2020 Free Software Foundation, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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cat >input <<EOF
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1+2*3
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EOF
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run 0 7
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cat >input <<EOF
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1 - 2 - 3
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EOF
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run 0 -4
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cat >input <<EOF
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8 / 2 / 2
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EOF
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run 0 2
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cat >input <<EOF
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(1+2) * 3
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EOF
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run 0 9
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run -noerr 0 9 -p
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cat >input <<EOF
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1++2
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EOF
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run 0 "err: syntax error, unexpected '+', expecting number or '('"
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