mirror of
https://github.com/marcin-szczepanski/jFuzzyLogic.git
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319 lines
11 KiB
Java
319 lines
11 KiB
Java
/*
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[The "BSD licence"]
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Copyright (c) 2005-2006 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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package org.antlr.test;
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import org.antlr.Tool;
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import org.antlr.codegen.CodeGenerator;
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import org.antlr.tool.ErrorManager;
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import org.antlr.tool.Grammar;
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public class TestRewriteTemplates extends BaseTest {
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protected boolean debug = false;
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public void testDelete() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : ID INT -> ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("", found);
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}
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public void testAction() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : ID INT -> {new StringTemplate($ID.text)} ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("abc\n", found);
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}
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public void testEmbeddedLiteralConstructor() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : ID INT -> {%{$ID.text}} ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("abc\n", found);
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}
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public void testInlineTemplate() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : ID INT -> template(x={$ID},y={$INT}) <<x:<x.text>, y:<y.text>;>> ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("x:abc, y:34;\n", found);
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}
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public void testNamedTemplate() throws Exception {
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// the support code adds template group in it's output Test.java
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// that defines template foo.
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : ID INT -> foo(x={$ID.text},y={$INT.text}) ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("abc 34\n", found);
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}
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public void testIndirectTemplate() throws Exception {
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// the support code adds template group in it's output Test.java
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// that defines template foo.
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : ID INT -> ({\"foo\"})(x={$ID.text},y={$INT.text}) ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("abc 34\n", found);
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}
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public void testInlineTemplateInvokingLib() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : ID INT -> template(x={$ID.text},y={$INT.text}) \"<foo(...)>\" ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("abc 34\n", found);
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}
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public void testPredicatedAlts() throws Exception {
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// the support code adds template group in it's output Test.java
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// that defines template foo.
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : ID INT -> {false}? foo(x={$ID.text},y={$INT.text})\n" +
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" -> foo(x={\"hi\"}, y={$ID.text})\n" +
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" ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("hi abc\n", found);
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}
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public void testTemplateReturn() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : b {System.out.println($b.st);} ;\n" +
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"b : ID INT -> foo(x={$ID.text},y={$INT.text}) ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("abc 34\n", found);
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}
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public void testReturnValueWithTemplate() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a : b {System.out.println($b.i);} ;\n" +
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"b returns [int i] : ID INT {$i=8;} ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("8\n", found);
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}
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public void testTemplateRefToDynamicAttributes() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=template;}\n" +
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"a scope {String id;} : ID {$a::id=$ID.text;} b\n" +
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" {System.out.println($b.st.toString());}\n" +
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" ;\n" +
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"b : INT -> foo(x={$a::id}) ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abc 34", debug);
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assertEquals("abc \n", found);
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}
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// tests for rewriting templates in tree parsers
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public void testSingleNode() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=AST;}\n" +
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"a : ID ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String treeGrammar =
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"tree grammar TP;\n"+
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"options {ASTLabelType=CommonTree; output=template;}\n" +
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"s : a {System.out.println($a.st);} ;\n" +
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"a : ID -> template(x={$ID.text}) <<|<x>|>> ;\n";
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String found = execTreeParser("T.g", grammar, "TParser", "TP.g",
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treeGrammar, "TP", "TLexer", "a", "s", "abc");
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assertEquals("|abc|\n", found);
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}
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public void testSingleNodeRewriteMode() throws Exception {
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String grammar =
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"grammar T;\n" +
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"options {output=AST;}\n" +
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"a : ID ;\n" +
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"ID : 'a'..'z'+ ;\n" +
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"INT : '0'..'9'+;\n" +
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"WS : (' '|'\\n') {$channel=HIDDEN;} ;\n";
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String treeGrammar =
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"tree grammar TP;\n"+
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"options {ASTLabelType=CommonTree; output=template; rewrite=true;}\n" +
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"s : a {System.out.println(input.getTokenStream().toString(0,0));} ;\n" +
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"a : ID -> template(x={$ID.text}) <<|<x>|>> ;\n";
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String found = execTreeParser("T.g", grammar, "TParser", "TP.g",
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treeGrammar, "TP", "TLexer", "a", "s", "abc");
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assertEquals("|abc|\n", found);
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}
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public void testRewriteRuleAndRewriteModeOnSimpleElements() throws Exception {
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ErrorQueue equeue = new ErrorQueue();
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ErrorManager.setErrorListener(equeue);
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Grammar g = new Grammar(
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"tree grammar TP;\n"+
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"options {ASTLabelType=CommonTree; output=template; rewrite=true;}\n" +
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"a: ^(A B) -> {ick}\n" +
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" | y+=INT -> {ick}\n" +
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" | x=ID -> {ick}\n" +
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" | BLORT -> {ick}\n" +
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" ;\n"
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);
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Tool antlr = newTool();
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antlr.setOutputDirectory(null); // write to /dev/null
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CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
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g.setCodeGenerator(generator);
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generator.genRecognizer();
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assertEquals("unexpected errors: "+equeue, 0, equeue.warnings.size());
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}
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public void testRewriteRuleAndRewriteModeIgnoreActionsPredicates() throws Exception {
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ErrorQueue equeue = new ErrorQueue();
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ErrorManager.setErrorListener(equeue);
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Grammar g = new Grammar(
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"tree grammar TP;\n"+
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"options {ASTLabelType=CommonTree; output=template; rewrite=true;}\n" +
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"a: {action} {action2} x=A -> {ick}\n" +
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" | {pred1}? y+=B -> {ick}\n" +
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" | C {action} -> {ick}\n" +
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" | {pred2}?=> z+=D -> {ick}\n" +
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" | (E)=> ^(F G) -> {ick}\n" +
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" ;\n"
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);
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Tool antlr = newTool();
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antlr.setOutputDirectory(null); // write to /dev/null
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CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
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g.setCodeGenerator(generator);
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generator.genRecognizer();
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assertEquals("unexpected errors: "+equeue, 0, equeue.warnings.size());
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}
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public void testRewriteRuleAndRewriteModeNotSimple() throws Exception {
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ErrorQueue equeue = new ErrorQueue();
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ErrorManager.setErrorListener(equeue);
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Grammar g = new Grammar(
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"tree grammar TP;\n"+
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"options {ASTLabelType=CommonTree; output=template; rewrite=true;}\n" +
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"a : ID+ -> {ick}\n" +
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" | INT INT -> {ick}\n" +
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" ;\n"
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);
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Tool antlr = newTool();
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antlr.setOutputDirectory(null); // write to /dev/null
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CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
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g.setCodeGenerator(generator);
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generator.genRecognizer();
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assertEquals("unexpected errors: "+equeue, 2, equeue.warnings.size());
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}
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public void testRewriteRuleAndRewriteModeRefRule() throws Exception {
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ErrorQueue equeue = new ErrorQueue();
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ErrorManager.setErrorListener(equeue);
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Grammar g = new Grammar(
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"tree grammar TP;\n"+
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"options {ASTLabelType=CommonTree; output=template; rewrite=true;}\n" +
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"a : b+ -> {ick}\n" +
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" | b b A -> {ick}\n" +
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" ;\n" +
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"b : B ;\n"
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);
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Tool antlr = newTool();
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antlr.setOutputDirectory(null); // write to /dev/null
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CodeGenerator generator = new CodeGenerator(antlr, g, "Java");
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g.setCodeGenerator(generator);
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generator.genRecognizer();
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assertEquals("unexpected errors: "+equeue, 2, equeue.warnings.size());
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}
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}
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