mirror of
https://github.com/marcin-szczepanski/jFuzzyLogic.git
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288 lines
9.0 KiB
Java
288 lines
9.0 KiB
Java
/*
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[The "BSD licence"]
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Copyright (c) 2005-2008 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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/** Test the set stuff in lexer and parser */
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public class TestSets extends BaseTest {
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protected boolean debug = false;
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/** Public default constructor used by TestRig */
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public TestSets() {
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}
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public void testSeqDoesNotBecomeSet() throws Exception {
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// this must return A not I to the parser; calling a nonfragment rule
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// from a nonfragment rule does not set the overall token.
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String grammar =
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"grammar P;\n" +
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"a : C {System.out.println(input);} ;\n" +
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"fragment A : '1' | '2';\n" +
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"fragment B : '3' '4';\n" +
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"C : A | B;\n";
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String found = execParser("P.g", grammar, "PParser", "PLexer",
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"a", "34", debug);
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assertEquals("34\n", found);
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}
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public void testParserSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : t=('x'|'y') {System.out.println($t.text);} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "x", debug);
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assertEquals("x\n", found);
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}
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public void testParserNotSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : t=~('x'|'y') 'z' {System.out.println($t.text);} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "zz", debug);
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assertEquals("z\n", found);
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}
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public void testParserNotToken() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : ~'x' 'z' {System.out.println(input);} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "zz", debug);
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assertEquals("zz\n", found);
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}
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public void testParserNotTokenWithLabel() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : t=~'x' 'z' {System.out.println($t.text);} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "zz", debug);
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assertEquals("z\n", found);
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}
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public void testRuleAsSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a @after {System.out.println(input);} : 'a' | 'b' |'c' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "b", debug);
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assertEquals("b\n", found);
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}
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public void testRuleAsSetAST() 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 : 'a' | 'b' |'c' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "b", debug);
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assertEquals("b\n", found);
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}
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public void testNotChar() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println($A.text);} ;\n" +
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"A : ~'b' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "x", debug);
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assertEquals("x\n", found);
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}
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public void testOptionalSingleElement() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A? 'c' {System.out.println(input);} ;\n" +
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"A : 'b' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "bc", debug);
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assertEquals("bc\n", found);
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}
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public void testOptionalLexerSingleElement() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println(input);} ;\n" +
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"A : 'b'? 'c' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "bc", debug);
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assertEquals("bc\n", found);
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}
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public void testStarLexerSingleElement() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println(input);} ;\n" +
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"A : 'b'* 'c' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "bbbbc", debug);
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assertEquals("bbbbc\n", found);
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found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "c", debug);
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assertEquals("c\n", found);
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}
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public void testPlusLexerSingleElement() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println(input);} ;\n" +
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"A : 'b'+ 'c' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "bbbbc", debug);
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assertEquals("bbbbc\n", found);
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}
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public void testOptionalSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : ('a'|'b')? 'c' {System.out.println(input);} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "ac", debug);
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assertEquals("ac\n", found);
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}
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public void testStarSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : ('a'|'b')* 'c' {System.out.println(input);} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abaac", debug);
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assertEquals("abaac\n", found);
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}
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public void testPlusSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : ('a'|'b')+ 'c' {System.out.println(input);} ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abaac", debug);
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assertEquals("abaac\n", found);
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}
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public void testLexerOptionalSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println(input);} ;\n" +
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"A : ('a'|'b')? 'c' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "ac", debug);
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assertEquals("ac\n", found);
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}
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public void testLexerStarSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println(input);} ;\n" +
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"A : ('a'|'b')* 'c' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abaac", debug);
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assertEquals("abaac\n", found);
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}
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public void testLexerPlusSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println(input);} ;\n" +
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"A : ('a'|'b')+ 'c' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "abaac", debug);
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assertEquals("abaac\n", found);
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}
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public void testNotCharSet() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println($A.text);} ;\n" +
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"A : ~('b'|'c') ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "x", debug);
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assertEquals("x\n", found);
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}
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public void testNotCharSetWithLabel() throws Exception {
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// This doesn't work in lexer yet.
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// Generates: h=input.LA(1); but h is defined as a Token
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println($A.text);} ;\n" +
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"A : h=~('b'|'c') ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "x", debug);
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assertEquals("x\n", found);
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}
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public void testNotCharSetWithRuleRef() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println($A.text);} ;\n" +
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"A : ~('a'|B) ;\n" +
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"B : 'b' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "x", debug);
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assertEquals("x\n", found);
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}
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public void testNotCharSetWithRuleRef2() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println($A.text);} ;\n" +
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"A : ~('a'|B) ;\n" +
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"B : 'b'|'c' ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "x", debug);
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assertEquals("x\n", found);
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}
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public void testNotCharSetWithRuleRef3() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println($A.text);} ;\n" +
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"A : ('a'|B) ;\n" +
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"fragment\n" +
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"B : ~('a'|'c') ;\n";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "x", debug);
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assertEquals("x\n", found);
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}
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public void testNotCharSetWithRuleRef4() throws Exception {
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String grammar =
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"grammar T;\n" +
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"a : A {System.out.println($A.text);} ;\n" +
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"A : ('a'|B) ;\n" +
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"fragment\n" +
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"B : ~('a'|C) ;\n" +
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"fragment\n" +
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"C : 'c'|'d' ;\n ";
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String found = execParser("T.g", grammar, "TParser", "TLexer",
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"a", "x", debug);
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assertEquals("x\n", found);
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}
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}
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