Package aima.core.logic.common

Examples of aima.core.logic.common.Token

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  @Test
  public void testLexBasicExpression() {
    PELexer pelexer = new PELexer();
    pelexer.setInput("(P)");
    Assert.assertEquals(new Token(LogicTokenTypes.LPAREN, "("),
        pelexer.nextToken());
    Assert.assertEquals(new Token(LogicTokenTypes.SYMBOL, "P"),
        pelexer.nextToken());
    Assert.assertEquals(new Token(LogicTokenTypes.RPAREN, ")"),
        pelexer.nextToken());

    Assert.assertEquals(new Token(LogicTokenTypes.EOI, "EOI"),
        pelexer.nextToken());
  }
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  @Test
  public void testLexNotExpression() {
    PELexer pelexer = new PELexer();
    pelexer.setInput("(NOT P)");
    Assert.assertEquals(new Token(LogicTokenTypes.LPAREN, "("),
        pelexer.nextToken());
    Assert.assertEquals(new Token(LogicTokenTypes.CONNECTOR, "NOT"),
        pelexer.nextToken());

    Assert.assertEquals(new Token(LogicTokenTypes.SYMBOL, "P"),
        pelexer.nextToken());
    Assert.assertEquals(new Token(LogicTokenTypes.RPAREN, ")"),
        pelexer.nextToken());

    Assert.assertEquals(new Token(LogicTokenTypes.EOI, "EOI"),
        pelexer.nextToken());
  }
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  @Test
  public void testLexImpliesExpression() {
    PELexer pelexer = new PELexer();
    pelexer.setInput("(P => Q)");
    Assert.assertEquals(new Token(LogicTokenTypes.LPAREN, "("),
        pelexer.nextToken());
    Assert.assertEquals(new Token(LogicTokenTypes.SYMBOL, "P"),
        pelexer.nextToken());
    Assert.assertEquals(new Token(LogicTokenTypes.CONNECTOR, "=>"),
        pelexer.nextToken());
  }
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  @Test
  public void testLexBiCOnditionalExpression() {
    PELexer pelexer = new PELexer();
    pelexer.setInput("(B11 <=> (P12 OR P21))");
    Assert.assertEquals(new Token(LogicTokenTypes.LPAREN, "("),
        pelexer.nextToken());
    Assert.assertEquals(new Token(LogicTokenTypes.SYMBOL, "B11"),
        pelexer.nextToken());
    Assert.assertEquals(new Token(LogicTokenTypes.CONNECTOR, "<=>"),
        pelexer.nextToken());
  }
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Related Classes of aima.core.logic.common.Token

  • aima.core.logic.fol.parsing.FOLLexer
  • aima.core.logic.fol.parsing.FOLParser
  • aima.core.logic.propositional.parsing.PELexer
  • aima.core.logic.propositional.parsing.PEParser
  • aima.test.core.unit.logic.fol.parsing.FOLLexerTest
  • aima.test.core.unit.logic.propositional.parsing.PELexerTest
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