| # Copyright 2019 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import os.path |
| |
| from . import code_node |
| from .clang_format import clang_format |
| from .mako_renderer import MakoRenderer |
| |
| |
| def run_example(web_idl_database, output_dirs): |
| renderer = MakoRenderer() |
| |
| filename = 'v8_example.cc' |
| filepath = os.path.join(output_dirs['core'], filename) |
| |
| root_node = code_node.SequenceNode(renderer=renderer) |
| root_node.extend([ |
| code_node.SimpleNode(template_text="${z} = ${x} + ${y};"), |
| code_node.SimpleNode(template_text="print ${z};"), |
| ]) |
| |
| def make_symbol(name, template_text): |
| def constructor(symbol_node): |
| return code_node.SymbolDefinitionNode( |
| symbol_node, template_text=template_text) |
| |
| return code_node.SymbolNode( |
| name=name, definition_node_constructor=constructor) |
| |
| root_node.add_template_vars({ |
| 'x': make_symbol('x', "int ${x} = 1;"), |
| 'y': make_symbol('y', "int ${y} = 2;"), |
| 'z': make_symbol('z', "int ${z};"), |
| }) |
| |
| prev = '' |
| current = str(root_node) |
| while current != prev: |
| prev = current |
| current = str(root_node) |
| rendered_text = current |
| |
| format_result = clang_format(rendered_text, filename=filename) |
| with open(filepath, 'w') as output_file: |
| output_file.write(format_result.contents) |
