v8/tools/torque/make-torque-parser.py
Daniel Clifford 675c1de5e2 [torque] Remove try/catch (only support try/label)
In the process, also fix the make-torque-parser.py script to work in its new
location.

Bug: v8:7793
Change-Id: I376a5f73ec9f7cc87995928397c6e399b1a490d8
Reviewed-on: https://chromium-review.googlesource.com/1084838
Commit-Queue: Daniel Clifford <danno@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53504}
2018-06-04 19:55:02 +00:00

72 lines
2.4 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright 2014 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""This program either generates the parser files for Torque, generating
the source and header files directly in V8's src directory."""
import subprocess
import sys
import os
import ntpath
import re
cwd = os.getcwd()
tools = ntpath.dirname(sys.argv[0]);
grammar = tools + '/../../src/torque/Torque.g4'
basename = ntpath.basename(grammar)
dirname = ntpath.dirname(grammar)
os.chdir(dirname)
cargs = ['java', '-Xmx500M', 'org.antlr.v4.Tool', '-visitor', basename]
result = subprocess.call(cargs)
os.chdir(cwd)
def fix_file(filename):
is_header = re.search(r'\.h', filename) <> None;
header_macro = filename.upper();
header_macro = re.sub('\.', '_', header_macro);
header_macro = "V8_TORQUE_" + header_macro + '_';
copyright = '// Copyright 2018 the V8 project authors. All rights reserved.\n'
copyright += '// Use of this source code is governed by a BSD-style license that can be\n'
copyright += '// found in the LICENSE file.\n'
file_path = tools + '/../../src/torque/' + filename;
temp_file_path = file_path + '.tmp'
output_file = open(temp_file_path, 'w')
output_file.write(copyright);
if is_header:
output_file.write('#ifndef ' + header_macro + '\n');
output_file.write('#define ' + header_macro + '\n');
with open(file_path) as f:
content = f.readlines()
for x in content:
x = re.sub(';;', ';', x)
x = re.sub('antlr4-runtime\.h', './antlr4-runtime.h', x)
x = re.sub(' TorqueParser.antlr4', ' explicit TorqueParser(antlr4', x)
x = re.sub(' TorqueLexer.antlr4', ' explicit TorqueLexer(antlr4', x)
if not re.search('= 0', x):
x = re.sub('virtual', '', x)
output_file.write(x)
if is_header:
output_file.write('#endif // ' + header_macro + '\n');
output_file.close();
subprocess.call(['rm', file_path])
subprocess.call(['mv', temp_file_path, file_path])
fix_file('TorqueBaseListener.h');
fix_file('TorqueBaseListener.cpp');
fix_file('TorqueBaseVisitor.h');
fix_file('TorqueBaseVisitor.cpp');
fix_file('TorqueLexer.h');
fix_file('TorqueLexer.cpp');
fix_file('TorqueParser.h');
fix_file('TorqueParser.cpp');
fix_file('TorqueListener.h');
fix_file('TorqueListener.cpp');
fix_file('TorqueVisitor.h');
fix_file('TorqueVisitor.cpp');