jolie.lang.parse.module.ModuleParser Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Narongrit Unwerawattana
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package jolie.lang.parse.module;
import java.io.IOException;
import java.util.Arrays;
import java.util.stream.Stream;
import jolie.lang.parse.OLParseTreeOptimizer;
import jolie.lang.parse.OLParser;
import jolie.lang.parse.ParserException;
import jolie.lang.parse.Scanner;
import jolie.lang.parse.ast.Program;
/**
* A class represent parser for the parser of Jolie module.
*/
public class ModuleParser {
private final ModuleParsingConfiguration parserConfiguration;
public ModuleParser( ModuleParsingConfiguration parserConfiguration ) {
this.parserConfiguration = parserConfiguration;
}
public ModuleRecord parse( Scanner scanner )
throws ParserException, IOException, ModuleException {
return parse( scanner, new String[ 0 ] );
}
public ModuleRecord parse( ModuleSource module ) throws ParserException, IOException, ModuleException {
String[] additionalPath;
if( module.includePath().isPresent() ) {
additionalPath = new String[] { module.includePath().get() };
} else {
additionalPath = new String[ 0 ];
}
return this.parse( new Scanner( module.openStream().get(), module.uri(),
parserConfiguration.charset(), parserConfiguration.includeDocumentation() ), additionalPath );
}
public ModuleRecord parse( Scanner scanner, String[] additionalIncludePaths )
throws ParserException, IOException, ModuleException {
String[] includePaths = Stream.concat( Arrays.stream( parserConfiguration.includePaths() ),
Arrays.stream( additionalIncludePaths ) )
.distinct().toArray( String[]::new );
OLParser olParser = new OLParser( scanner, includePaths, parserConfiguration.classLoader() );
olParser.putConstants( parserConfiguration.constantsMap() );
Program program = olParser.parse();
program = OLParseTreeOptimizer.optimize( program );
SymbolTable st = SymbolTableGenerator.generate( program );
return new ModuleRecord( scanner.source(), program, st );
}
}