/*
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* Copyright (C) 2017 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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*/
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import lexer.HidlLexer
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import lexer.Token
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import parser.LOG_NAME
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import parser.config
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import parser.files.AbstractFileParser
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import parser.files.InterfaceFileParser
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import parser.files.TypesFileParser
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import writer.files.*
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import java.nio.file.Paths
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import java.text.ParseException
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fun main(args: Array<String>) {
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config.parseArgs(args)
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if (config.verbose) println("$LOG_NAME args: ${config}")
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val indexWriter = IndexFileWriter() //collects parser entries
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/*
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* parse and write HAL files
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*/
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for (fp in config.files) {
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println("$LOG_NAME Parsing input: $fp")
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val tokens = HidlLexer.tokenize(fp)
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val (parser, writer) = parseAndGetWriter(tokens)
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indexWriter.addEntry(parser)
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try {
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//since lazily evaluated, check here for parse errors
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if (writer.writeToFile()) println("$LOG_NAME Wrote file: ${writer.path}")
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} catch (ex: ParseException) {
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if (config.warnOnly) {
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System.err.println("$LOG_NAME Error parsing file, skipping: $fp")
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continue
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} else {
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System.err.println("$LOG_NAME Error parsing file: $fp")
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throw ex
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}
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} finally {
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if (config.verbose) writer.printInfo()
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}
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}
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/*
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* non-HAL file
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*/
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if (indexWriter.writeToFile()) println("$LOG_NAME Wrote index: ${indexWriter.path}")
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val cssPath = Paths.get("${config.outDir}/assets/style.css")
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if (resources.copyToFile("/resources/assets/style.css", cssPath)) {
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println("$LOG_NAME Copied resource file: $cssPath")
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}
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}
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fun parseAndGetWriter(tokens: List<Token>): Pair<AbstractFileParser, AbstractParserFileWriter> {
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val parser: AbstractFileParser
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val writer: AbstractParserFileWriter
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if (InterfaceFileParser.isInterface(tokens)) {
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parser = InterfaceFileParser(tokens)
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writer = InterfaceFileWriter(parser)
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} else {
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parser = TypesFileParser(tokens)
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writer = TypesFileWriter(parser)
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}
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return Pair(parser, writer)
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}
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