Examples of ParseTreePattern

org.antlr.v4.runtime.tree.pattern.ParseTreePattern
A pattern like {@code = ;} converted to a {@link ParseTree} by{@link ParseTreePatternMatcher#compile(String,int)}.

Examples of org.antlr.v4.runtime.tree.pattern.ParseTreePattern

      rawGenerateAndBuildRecognizer("X2.g4", grammar, "X2Parser", "X2Lexer", false);
    assertTrue(ok);


    ParseTreePatternMatcher m = getPatternMatcher("X2");


    ParseTreePattern t = m.compile("<ID> = <expr> ;", m.getParser().getRuleIndex("s"));
    String results = t.getPatternTree().toStringTree(m.getParser());
    String expected = "(s <ID> = (expr <expr>) ;)";
    assertEquals(expected, results);
  }

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Examples of org.antlr.v4.runtime.tree.pattern.ParseTreePattern

      rawGenerateAndBuildRecognizer("X2.g4", grammar, "X2Parser", "X2Lexer", false);
    assertTrue(ok);


    ParseTreePatternMatcher m = getPatternMatcher("X2");


    ParseTreePattern t = m.compile("<ID> = <expr> ;", m.getParser().getRuleIndex("s"));
    String results = t.getPatternTree().toStringTree(m.getParser());
    String expected = "(s <ID> = (expr <expr>) ;)";
    assertEquals(expected, results);
  }

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Examples of org.antlr.v4.runtime.tree.pattern.ParseTreePattern

      rawGenerateAndBuildRecognizer("X2.g4", grammar, "X2Parser", "X2Lexer", false);
    assertTrue(ok);


    ParseTreePatternMatcher m =  getPatternMatcher("X2");


    ParseTreePattern t = m.compile("<ID> = <ID> ;", m.getParser().getRuleIndex("s"));
    String results = t.getPatternTree().toStringTree(m.getParser());
    String expected = "(s <ID> = <ID> ;)";
    assertEquals(expected, results);
  }

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Examples of org.antlr.v4.runtime.tree.pattern.ParseTreePattern

      rawGenerateAndBuildRecognizer(grammarFileName, grammar, parserName, lexerName, false);
    assertTrue(ok);


    ParseTree result = execParser(startRule, input, parserName, lexerName);


    ParseTreePattern p = getPattern(grammarName, pattern, startRule);
    ParseTreeMatch match = p.match(result);
    boolean matched = match.succeeded();
    if ( invertMatch ) assertFalse(matched);
    else assertTrue(matched);
    return match;
  }

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