Package org.antlr.v4.tool

Examples of org.antlr.v4.tool.Grammar

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      tool.removeListeners();
      tool.addListener(errorQueue);
      assertEquals(0, errorQueue.size());
      GrammarRootAST grammarRootAST = tool.parseGrammarFromString(gstr);
      assertEquals(0, errorQueue.size());
      Grammar g = tool.createGrammar(grammarRootAST);
      assertEquals(0, errorQueue.size());
      g.fileName = "<string>";
      tool.process(g, false);
    }
    catch (Exception e) {
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import java.util.Arrays;

public class TestATNDeserialization extends BaseTest {
  @Test public void testSimpleNoBlock() throws Exception {
    Grammar g = new Grammar(
      "parser grammar T;\n"+
      "a : A B ;");
    checkDeserializationIsStable(g);
  }
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      "a : A B ;");
    checkDeserializationIsStable(g);
  }

  @Test public void testEOF() throws Exception {
    Grammar g = new Grammar(
      "parser grammar T;\n"+
      "a : EOF ;");
    checkDeserializationIsStable(g);
  }
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      "a : EOF ;");
    checkDeserializationIsStable(g);
  }

  @Test public void testEOFInSet() throws Exception {
    Grammar g = new Grammar(
      "parser grammar T;\n"+
      "a : (EOF|A) ;");
    checkDeserializationIsStable(g);
  }
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      "a : (EOF|A) ;");
    checkDeserializationIsStable(g);
  }

  @Test public void testNot() throws Exception {
    Grammar g = new Grammar(
      "parser grammar T;\n"+
      "tokens {A, B, C}\n" +
      "a : ~A ;");
    checkDeserializationIsStable(g);
  }
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      "a : ~A ;");
    checkDeserializationIsStable(g);
  }

  @Test public void testWildcard() throws Exception {
    Grammar g = new Grammar(
      "parser grammar T;\n"+
      "tokens {A, B, C}\n" +
      "a : . ;");
    checkDeserializationIsStable(g);
  }
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      "a : . ;");
    checkDeserializationIsStable(g);
  }

  @Test public void testPEGAchillesHeel() throws Exception {
    Grammar g = new Grammar(
      "parser grammar T;\n"+
      "a : A | A B ;");
    checkDeserializationIsStable(g);
  }
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      "a : A | A B ;");
    checkDeserializationIsStable(g);
  }

  @Test public void test3Alts() throws Exception {
    Grammar g = new Grammar(
      "parser grammar T;\n"+
      "a : A | A B | A B C ;");
    checkDeserializationIsStable(g);
  }
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      "a : A | A B | A B C ;");
    checkDeserializationIsStable(g);
  }

  @Test public void testSimpleLoop() throws Exception {
    Grammar g = new Grammar(
      "parser grammar T;\n"+
      "a : A+ B ;");
    checkDeserializationIsStable(g);
  }
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      "a : A+ B ;");
    checkDeserializationIsStable(g);
  }

  @Test public void testRuleRef() throws Exception {
    Grammar g = new Grammar(
      "parser grammar T;\n"+
      "a : e ;\n" +
      "e : E ;\n");
    checkDeserializationIsStable(g);
  }
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Related Classes of org.antlr.v4.tool.Grammar

  • com.github.jknack.antlr4ide.runtime.ParseTreeCommand
  • org.antlr.runtime.ANTLRFileStream
  • org.antlr.runtime.ANTLRStringStream
  • org.antlr.runtime.CharStream
  • org.antlr.runtime.CommonToken
  • org.antlr.runtime.tree.CommonTree
  • org.antlr.runtime.tree.CommonTreeNodeStream
  • org.antlr.runtime.tree.Tree
  • org.antlr.runtime.tree.TreeVisitor
  • org.antlr.runtime.tree.TreeVisitorAction
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