diff options
Diffstat (limited to 'src/net/sf/antcontrib/cpptasks/parser/FortranParser.java')
-rw-r--r-- | src/net/sf/antcontrib/cpptasks/parser/FortranParser.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/net/sf/antcontrib/cpptasks/parser/FortranParser.java b/src/net/sf/antcontrib/cpptasks/parser/FortranParser.java new file mode 100644 index 0000000..d393e65 --- /dev/null +++ b/src/net/sf/antcontrib/cpptasks/parser/FortranParser.java @@ -0,0 +1,106 @@ +/* + * + * Copyright 2002-2004 The Ant-Contrib project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package net.sf.antcontrib.cpptasks.parser; + +import java.io.IOException; +import java.io.Reader; +import java.util.Vector; + +/** + * A parser that extracts INCLUDE statements from a Reader. + * + * @author Curt Arnold + */ +public final class FortranParser + extends AbstractParser + implements Parser { + /** + * List of included filenames. + */ + private final Vector includes = new Vector(); + + /** + * State that starts consuming content at the beginning of a line. + */ + private final AbstractParserState newLineState; + + /** + * Default constructor. + * + */ + public FortranParser() { + AbstractParserState filename = new FilenameState(this, new char[] {'\'', + '/'}); + AbstractParserState apos = new WhitespaceOrLetterState(this, '\'', + filename); + AbstractParserState blank = new LetterState(this, ' ', apos, null); + AbstractParserState e = new CaseInsensitiveLetterState(this, 'E', + blank, null); + AbstractParserState d = new CaseInsensitiveLetterState(this, 'D', e, + null); + AbstractParserState u = new CaseInsensitiveLetterState(this, 'U', d, + null); + AbstractParserState l = new CaseInsensitiveLetterState(this, 'L', u, + null); + AbstractParserState c = new CaseInsensitiveLetterState(this, 'C', l, + null); + AbstractParserState n = new CaseInsensitiveLetterState(this, 'N', c, + null); + newLineState = new WhitespaceOrCaseInsensitiveLetterState(this, 'I', n); + } + + /** + * Called by FilenameState at completion of file name production. + * + * @param include + * include file name + */ + public void addFilename(final String include) { + includes.addElement(include); + } + + /** + * Gets collection of include file names encountered in parse. + * @return include file names + */ + public String[] getIncludes() { + String[] retval = new String[includes.size()]; + includes.copyInto(retval); + return retval; + } + + /** + * Get the state for the beginning of a new line. + * @return start of line state + */ + public AbstractParserState getNewLineState() { + return newLineState; + } + + /** + * Collects all included files from the content of the reader. + * + * @param reader + * character reader containing a FORTRAN source module + * @throws IOException + * throw if I/O error during parse + */ + public void parse(final Reader reader) throws IOException { + includes.setSize(0); + super.parse(reader); + } +} |