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25 lines
401 B
Bash
Executable File
25 lines
401 B
Bash
Executable File
#!/bin/sh
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LEX="$1"
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SRC="$2"
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DEST="$3"
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dir=`dirname $SRC`
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file=`basename $SRC`
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base=`basename $SRC .l`
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if [ -z "$LEX" ]; then
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echo "lex not found - not regenerating $DEST"
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exit;
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fi
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if [ -r $DEST ]; then
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if [ x`find $SRC -newer $DEST -print` != x$SRC ]; then
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exit;
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fi
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fi
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TOP=`pwd`
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if cd $dir && $LEX $file; then
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sed '/^#/ s|$base.yy\.c|$DEST|' $base.yy.c > $base.c
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rm -f $base.yy.c
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fi
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cd $TOP
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