76 lines
1.7 KiB
Bash
Executable file
76 lines
1.7 KiB
Bash
Executable file
#!/bin/sh
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# Copyright 1989 by Kenneth Almquist. All rights reserved.
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#
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# This file is part of ash. Ash is distributed under the terms specified
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# by the Ash General Public License. See the file named LICENSE.
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# All calls to awk removed, because Minix bawk is deficient. (kjb)
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if [ $# -ne 2 ]
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then
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echo "Usage: $0 <unary_op> <binary_op>" >&2
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exit 1
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fi
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unary_op="$1"
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binary_op="$2"
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exec > operators.h
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i=0
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sed -e '/^[^#]/!d' "$unary_op" "$binary_op" | while read line
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do
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set -$- $line
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echo "#define $1 $i"
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i=`expr $i + 1`
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done
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echo
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echo "#define FIRST_BINARY_OP" `sed -e '/^[^#]/!d' "$unary_op" | wc -l`
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echo '
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#define OP_INT 1 /* arguments to operator are integer */
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#define OP_STRING 2 /* arguments to operator are string */
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#define OP_FILE 3 /* argument is a file name */
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extern char *const unary_op[];
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extern char *const binary_op[];
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extern const char op_priority[];
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extern const char op_argflag[];'
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exec > operators.c
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echo '/*
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* Operators used in the expr/test command.
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*/
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#include <stddef.h>
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#include "shell.h"
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#include "operators.h"
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char *const unary_op[] = {'
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sed -e '/^[^#]/!d
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s/[ ][ ]*/ /g
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s/^[^ ][^ ]* \([^ ][^ ]*\).*/ "\1",/
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' "$unary_op"
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echo ' NULL
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};
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char *const binary_op[] = {'
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sed -e '/^[^#]/!d
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s/[ ][ ]*/ /g
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s/^[^ ][^ ]* \([^ ][^ ]*\).*/ "\1",/
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' "$binary_op"
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echo ' NULL
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};
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const char op_priority[] = {'
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sed -e '/^[^#]/!d
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s/[ ][ ]*/ /g
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s/^[^ ][^ ]* [^ ][^ ]* \([^ ][^ ]*\).*/ \1,/
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' "$unary_op" "$binary_op"
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echo '};
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const char op_argflag[] = {'
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sed -e '/^[^#]/!d
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s/[ ][ ]*/ /g
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s/^[^ ][^ ]* [^ ][^ ]* [^ ][^ ]*$/& 0/
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s/^[^ ][^ ]* [^ ][^ ]* [^ ][^ ]* \([^ ][^ ]*\)/ \1,/
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' "$unary_op" "$binary_op"
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echo '};'
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