[cleanup] Remove dead ANTLR build script for Torque parser
This CL removes a build script that was used to create ANTLR visitors for Torque parsing. As Torque rolls its own parser now, this script can safely be removed. R=tebbi@chromium.org Bug: v8:9183 Change-Id: Id56ee590d79e5c849ac111e8825cd3733cd55d90 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1587379 Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Commit-Queue: Simon Zünd <szuend@chromium.org> Cr-Commit-Position: refs/heads/master@{#61069}
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#!/usr/bin/env python
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# Copyright 2014 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""This program either generates the parser files for Torque, generating
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the source and header files directly in V8's src directory."""
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import subprocess
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import sys
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import os
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import ntpath
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import re
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cwd = os.getcwd()
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tools = ntpath.dirname(sys.argv[0]);
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grammar = tools + '/../../src/torque/Torque.g4'
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basename = ntpath.basename(grammar)
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dirname = ntpath.dirname(grammar)
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os.chdir(dirname)
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cargs = ['java', '-Xmx500M', 'org.antlr.v4.Tool', '-visitor', basename]
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result = subprocess.call(cargs)
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os.chdir(cwd)
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def fix_file(filename):
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is_header = re.search(r'\.h', filename) is not None;
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header_macro = filename.upper();
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header_macro = re.sub('\.', '_', header_macro);
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header_macro = "V8_TORQUE_" + header_macro + '_';
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copyright = '// Copyright 2018 the V8 project authors. All rights reserved.\n'
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copyright += '// Use of this source code is governed by a BSD-style license that can be\n'
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copyright += '// found in the LICENSE file.\n'
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file_path = tools + '/../../src/torque/' + filename;
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temp_file_path = file_path + '.tmp'
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output_file = open(temp_file_path, 'w')
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output_file.write(copyright);
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if is_header:
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output_file.write('#ifndef ' + header_macro + '\n');
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output_file.write('#define ' + header_macro + '\n');
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with open(file_path) as f:
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content = f.readlines()
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for x in content:
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x = re.sub(';;', ';', x)
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x = re.sub('antlr4-runtime\.h', './antlr4-runtime.h', x)
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x = re.sub(' TorqueParser.antlr4', ' explicit TorqueParser(antlr4', x)
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x = re.sub(' TorqueLexer.antlr4', ' explicit TorqueLexer(antlr4', x)
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if not re.search('= 0', x):
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x = re.sub('virtual', '', x)
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output_file.write(x)
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if is_header:
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output_file.write('#endif // ' + header_macro + '\n');
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output_file.close();
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subprocess.call(['rm', file_path])
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subprocess.call(['mv', temp_file_path, file_path])
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fix_file('TorqueBaseListener.h');
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fix_file('TorqueBaseListener.cpp');
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fix_file('TorqueBaseVisitor.h');
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fix_file('TorqueBaseVisitor.cpp');
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fix_file('TorqueLexer.h');
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fix_file('TorqueLexer.cpp');
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fix_file('TorqueParser.h');
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fix_file('TorqueParser.cpp');
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fix_file('TorqueListener.h');
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fix_file('TorqueListener.cpp');
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fix_file('TorqueVisitor.h');
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fix_file('TorqueVisitor.cpp');
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