68 lines
1.9 KiB
Bash
Executable File
68 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (C) 2007 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# opcode-gen <file>
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#
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# This script uses the file bytecodes.txt (in this directory) to
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# generate code inside the given <file>, based on the directives found
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# in that file. Refer to those files to understand what's being
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# generated. (Look for comments that say "BEGIN(name)" where "name" is
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# one of the "emission" directives defined in opcode-gen.awk in this
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# directory.)
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file="$1"
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tmpfile="/tmp/$$.txt"
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echo "processing `basename $1`" 1>&2
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if [ "x$1" = "x" ]; then
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echo "must specify a file" 1>&2
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exit 1
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fi
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# Set up prog to be the path of this script, including following symlinks,
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# and set up progdir to be the fully-qualified pathname of its directory.
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prog="$0"
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while [ -h "${prog}" ]; do
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newProg=`/bin/ls -ld "${prog}"`
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newProg=`expr "${newProg}" : ".* -> \(.*\)$"`
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if expr "x${newProg}" : 'x/' >/dev/null; then
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prog="${newProg}"
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else
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progdir=`dirname "${prog}"`
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prog="${progdir}/${newProg}"
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fi
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done
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oldwd=`pwd`
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progdir=`dirname "${prog}"`
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cd "${progdir}"
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progdir=`pwd`
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prog="${progdir}"/`basename "${prog}"`
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cd "${oldwd}"
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bytecodeFile="$progdir/bytecode.txt"
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awk -v "bytecodeFile=$bytecodeFile" -f "$progdir/opcode-gen.awk" \
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"$file" > "$tmpfile"
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if [ "$?" = "0" ]; then
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cp "$tmpfile" "$file"
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rm "$tmpfile"
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else
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echo "error running awk" 1>&2
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exit 1
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fi
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