forked from jasder/antlr
50 lines
2.0 KiB
Java
50 lines
2.0 KiB
Java
/*
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[The "BSD license"]
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Copyright (c) 2011 Terence Parr
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. The name of the author may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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import org.antlr.v4.runtime.*;
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public class TestE {
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public static void main(String[] args) throws Exception {
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// START:rig
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CharStream input = new ANTLRFileStream(args[0]);
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ELexer lexer = new ELexer(input);
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CommonTokenStream tokens = new CommonTokenStream(lexer);
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EParser parser = new EParser(tokens);
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parser.setBuildParseTree(true);
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ParserRuleContext ctx = parser.prog();
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System.out.println(ctx.toStringTree(parser));
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// Either view in dialog box:
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//ctx.inspect(parser);
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// Or in postscript
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ctx.save(parser, "/tmp/t.ps");
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// System.out.println(Trees.getPS(ctx, parser, "Helvetica", 10));
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// END:rig
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}
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}
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