878ddf1fc3
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
79 lines
3.0 KiB
Java
79 lines
3.0 KiB
Java
/*
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*
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* Copyright 2002-2004 The Ant-Contrib 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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package net.sf.antcontrib.cpptasks.parser;
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import java.io.IOException;
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import java.io.Reader;
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import java.util.Vector;
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/**
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* A parser that extracts #include statements from a Reader.
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*
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* @author Adam Murdoch
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* @author Curt Arnold
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*/
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public final class CParser extends AbstractParser implements Parser {
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private final Vector includes = new Vector();
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private AbstractParserState newLineState;
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/**
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*
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*
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*/
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public CParser() {
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AbstractParserState quote = new FilenameState(this, new char[]{'"'});
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AbstractParserState bracket = new FilenameState(this, new char[]{'>'});
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AbstractParserState postE = new PostE(this, bracket, quote);
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//
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// nclude
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//
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AbstractParserState e = new LetterState(this, 'e', postE, null);
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AbstractParserState d = new LetterState(this, 'd', e, null);
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AbstractParserState u = new LetterState(this, 'u', d, null);
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AbstractParserState l = new LetterState(this, 'l', u, null);
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AbstractParserState c = new LetterState(this, 'c', l, null);
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AbstractParserState n = new LetterState(this, 'n', c, null);
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//
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// mport is equivalent to nclude
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//
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AbstractParserState t = new LetterState(this, 't', postE, null);
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AbstractParserState r = new LetterState(this, 'r', t, null);
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AbstractParserState o = new LetterState(this, 'o', r, null);
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AbstractParserState p = new LetterState(this, 'p', o, null);
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AbstractParserState m = new LetterState(this, 'm', p, null);
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//
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// switch between
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//
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AbstractParserState n_m = new BranchState(this, new char[]{'n', 'm'},
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new AbstractParserState[]{n, m}, null);
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AbstractParserState i = new WhitespaceOrLetterState(this, 'i', n_m);
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newLineState = new LetterState(this, '#', i, null);
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}
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public void addFilename(String include) {
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includes.addElement(include);
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}
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public String[] getIncludes() {
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String[] retval = new String[includes.size()];
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includes.copyInto(retval);
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return retval;
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}
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public AbstractParserState getNewLineState() {
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return newLineState;
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}
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public void parse(Reader reader) throws IOException {
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includes.setSize(0);
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super.parse(reader);
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}
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}
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