1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 import lexer.HidlLexer
18 import lexer.Token
19 import parser.LOG_NAME
20 import parser.config
21 import parser.files.AbstractFileParser
22 import parser.files.InterfaceFileParser
23 import parser.files.TypesFileParser
24 import writer.files.*
25 import java.nio.file.Paths
26 import java.text.ParseException
27
mainnull28 fun main(args: Array<String>) {
29 config.parseArgs(args)
30 if (config.verbose) println("$LOG_NAME args: ${config}")
31
32 val indexWriter = IndexFileWriter() //collects parser entries
33
34 /*
35 * parse and write HAL files
36 */
37 for (fp in config.files) {
38 println("$LOG_NAME Parsing input: $fp")
39
40 val tokens = HidlLexer.tokenize(fp)
41 val (parser, writer) = parseAndGetWriter(tokens)
42
43 indexWriter.addEntry(parser)
44
45 try {
46 //since lazily evaluated, check here for parse errors
47 if (writer.writeToFile()) println("$LOG_NAME Wrote file: ${writer.path}")
48
49 } catch (ex: ParseException) {
50 if (config.skipError) {
51 System.err.println("$LOG_NAME Error parsing file, skipping: $fp")
52 continue
53 } else {
54 System.err.println("$LOG_NAME Error parsing file: $fp")
55 throw ex
56 }
57 } finally {
58 if (config.verbose) writer.printInfo()
59 }
60 }
61
62 /*
63 * non-HAL file
64 */
65 if (indexWriter.writeToFile()) println("$LOG_NAME Wrote index: ${indexWriter.path}")
66
67 val cssPath = Paths.get("${config.outDir}/assets/style.css")
68 if (resources.copyToFile("/resources/assets/style.css", cssPath)) {
69 println("$LOG_NAME Copied resource file: $cssPath")
70 }
71 }
72
parseAndGetWriternull73 fun parseAndGetWriter(tokens: List<Token>): Pair<AbstractFileParser, AbstractParserFileWriter> {
74 val parser: AbstractFileParser
75 val writer: AbstractParserFileWriter
76 if (InterfaceFileParser.isInterface(tokens)) {
77 parser = InterfaceFileParser(tokens)
78 writer = InterfaceFileWriter(parser)
79 } else {
80 parser = TypesFileParser(tokens)
81 writer = TypesFileWriter(parser)
82 }
83 return Pair(parser, writer)
84 }