Package org.antlr.v4.runtime.atn

Examples of org.antlr.v4.runtime.atn.PredictionContext

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  }

  @Test public void test_Aab_Aa() { // a,b + a
    ArrayPredictionContext A1 = array(a(), b());
    ArrayPredictionContext A2 = array(a());
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[shape=record, label=\"<p0>|<p1>\"];\n" +
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  }

  @Test public void test_Aab_Ab() { // a,b + b
    ArrayPredictionContext A1 = array(a(), b());
    ArrayPredictionContext A2 = array(b());
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[shape=record, label=\"<p0>|<p1>\"];\n" +
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  @Test public void test_Aax_Aby() { // ax + by but in arrays
    SingletonPredictionContext a = createSingleton(x(), 1);
    SingletonPredictionContext b = createSingleton(y(), 2);
    ArrayPredictionContext A1 = array(a);
    ArrayPredictionContext A2 = array(b);
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[shape=record, label=\"<p0>|<p1>\"];\n" +
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  @Test public void test_Aax_Aay() { // ax + ay -> merged singleton a, array parent
    SingletonPredictionContext a1 = createSingleton(x(), 1);
    SingletonPredictionContext a2 = createSingleton(y(), 1);
    ArrayPredictionContext A1 = array(a1);
    ArrayPredictionContext A2 = array(a2);
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[label=\"0\"];\n" +
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  @Test public void test_Aaxc_Aayd() { // ax,c + ay,d -> merged a, array parent
    SingletonPredictionContext a1 = createSingleton(x(), 1);
    SingletonPredictionContext a2 = createSingleton(y(), 1);
    ArrayPredictionContext A1 = array(a1, c());
    ArrayPredictionContext A2 = array(a2, d());
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[shape=record, label=\"<p0>|<p1>|<p2>\"];\n" +
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    SingletonPredictionContext b = createSingleton(v(), 2);
    SingletonPredictionContext c = createSingleton(w(), 3);
    SingletonPredictionContext d = createSingleton(x(), 4);
    ArrayPredictionContext A1 = array(a, b);
    ArrayPredictionContext A2 = array(c, d);
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[shape=record, label=\"<p0>|<p1>|<p2>|<p3>\"];\n" +
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    SingletonPredictionContext b1 = createSingleton(v(), 2);
    SingletonPredictionContext b2 = createSingleton(v(), 2);
    SingletonPredictionContext d = createSingleton(x(), 4);
    ArrayPredictionContext A1 = array(a, b1);
    ArrayPredictionContext A2 = array(b2, d);
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[shape=record, label=\"<p0>|<p1>|<p2>\"];\n" +
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    SingletonPredictionContext b1 = createSingleton(v(), 2);
    SingletonPredictionContext b2 = createSingleton(w(), 2);
    SingletonPredictionContext d = createSingleton(x(), 4);
    ArrayPredictionContext A1 = array(a, b1);
    ArrayPredictionContext A2 = array(b2, d);
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[shape=record, label=\"<p0>|<p1>|<p2>\"];\n" +
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    SingletonPredictionContext b1 = createSingleton(v(), 2);
    SingletonPredictionContext b2 = createSingleton(v(), 2);
    SingletonPredictionContext d = createSingleton(u(), 4);
    ArrayPredictionContext A1 = array(a, b1);
    ArrayPredictionContext A2 = array(b2, d);
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[shape=record, label=\"<p0>|<p1>|<p2>\"];\n" +
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    SingletonPredictionContext b = createSingleton(u(), 2);
    SingletonPredictionContext c = createSingleton(u(), 3);
    SingletonPredictionContext d = createSingleton(u(), 4);
    ArrayPredictionContext A1 = array(a, b);
    ArrayPredictionContext A2 = array(c, d);
    PredictionContext r = PredictionContext.merge(A1, A2, rootIsWildcard(), null);
    System.out.println(toDOTString(r, rootIsWildcard()));
    String expecting =
      "digraph G {\n" +
      "rankdir=LR;\n" +
      "  s0[shape=record, label=\"<p0>|<p1>|<p2>|<p3>\"];\n" +
View Full Code Here
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Related Classes of org.antlr.v4.runtime.atn.PredictionContext

  • 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
  • org.antlr.v4.analysis.LeftRecursionDetector
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