public void CheckRRTokenStreamBehaviourWhileEmpty1()
{
string description = "RewriteRuleTokenStream test";
RewriteRuleTokenStream tokenTest =
new RewriteRuleTokenStream(CreateTreeAdaptor(), description);
Assert.IsFalse(tokenTest.HasNext(), "tokenTest has to give back false here.");
Assert.AreEqual(description.ToString(), tokenTest.Description,
"Description strings should be equal.");
Assert.AreEqual(0, tokenTest.Size(), "The number of elements should be zero.");
tokenTest.Reset();
Assert.IsTrue(true, "Reset() shouldn't make any problems here.");
Assert.AreEqual(0, tokenTest.Size(),
"The number of elements should be still zero.");
tokenTest.NextNode();
}
// $ANTLR start "start"
// D:\\Szkolenia\\Artykuł ProgramistaMag - DSL\\Code\\DSLSamples\\HelloWorld\\Simple.g:13:0: start : ID EOF -> ^( START ID ) ;
public SimpleParser.start_return start() // throws RecognitionException [1]
{
SimpleParser.start_return retval = new SimpleParser.start_return();
retval.Start = input.LT(1);
CommonTree root_0 = null;
IToken ID1 = null;
IToken EOF2 = null;
CommonTree ID1_tree = null;
CommonTree EOF2_tree = null;
RewriteRuleTokenStream stream_ID = new RewriteRuleTokenStream(adaptor, "token ID");
RewriteRuleTokenStream stream_EOF = new RewriteRuleTokenStream(adaptor, "token EOF");
try
{
// D:\\Szkolenia\\Artykuł ProgramistaMag - DSL\\Code\\DSLSamples\\HelloWorld\\Simple.g:13:8: ( ID EOF -> ^( START ID ) )
// D:\\Szkolenia\\Artykuł ProgramistaMag - DSL\\Code\\DSLSamples\\HelloWorld\\Simple.g:13:8: ID EOF
{
ID1 = (IToken)Match(input, ID, FOLLOW_ID_in_start50);
stream_ID.Add(ID1);
EOF2 = (IToken)Match(input, EOF, FOLLOW_EOF_in_start52);
stream_EOF.Add(EOF2);
// AST REWRITE
// elements: ID
// token labels:
// rule labels: retval
// token list labels:
// rule list labels:
// wildcard labels:
retval.Tree = root_0;
RewriteRuleSubtreeStream stream_retval = new RewriteRuleSubtreeStream(adaptor, "rule retval", retval != null ? retval.Tree : null);
root_0 = (CommonTree)adaptor.GetNilNode();
// 13:15: -> ^( START ID )
{
// D:\\Szkolenia\\Artykuł ProgramistaMag - DSL\\Code\\DSLSamples\\HelloWorld\\Simple.g:13:18: ^( START ID )
{
CommonTree root_1 = (CommonTree)adaptor.GetNilNode();
root_1 = (CommonTree)adaptor.BecomeRoot((CommonTree)adaptor.Create(START, "START"), root_1);
adaptor.AddChild(root_1, stream_ID.NextNode());
adaptor.AddChild(root_0, root_1);
}
}
retval.Tree = root_0; retval.Tree = root_0;
}
retval.Stop = input.LT(-1);
retval.Tree = (CommonTree)adaptor.RulePostProcessing(root_0);
adaptor.SetTokenBoundaries(retval.Tree, (IToken)retval.Start, (IToken)retval.Stop);
}
catch (RecognitionException re)
{
ReportError(re);
Recover(input, re);
// Conversion of the second argument necessary, but harmless
retval.Tree = (CommonTree)adaptor.ErrorNode(input, (IToken)retval.Start, input.LT(-1), re);
}
finally
{
}
return(retval);
}
public void CheckRRTokenStreamBehaviourWithElements()
{
RewriteRuleTokenStream tokenTest = new RewriteRuleTokenStream(CreateTreeAdaptor(),
"RewriteRuleTokenStream test");
IToken token1 = CreateToken(1, "test token without any real context");
// Test Add()
tokenTest.Add(token1);
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (1).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (1).");
// Test NextNode()
CommonTree tree = (CommonTree)tokenTest.NextNode();
Assert.AreEqual(token1, tree.Token,
"The returned token should be equal to the given token (1).");
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (2).");
Assert.IsFalse(tokenTest.HasNext(), "HasNext() should be false here (1).");
tokenTest.Reset();
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (3).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (2).");
// Test NextToken()
IToken returnedToken = tokenTest.NextToken();
Assert.AreEqual(token1, returnedToken,
"The returned token should be equal to the given token (2).");
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (4).");
Assert.IsFalse(tokenTest.HasNext(), "HasNext() should be false here (2).");
tokenTest.Reset();
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (5).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (3).");
// Test NextTree()
returnedToken = (IToken)tokenTest.NextTree();
Assert.AreEqual(token1, returnedToken,
"The returned token should be equal to the given token (3).");
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (6).");
Assert.IsFalse(tokenTest.HasNext(), "HasNext() should be false here (2).");
tokenTest.Reset();
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (7).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (3).");
// Test, what happens with two elements
IToken token2 = CreateToken(2, "test token without any real context");
tokenTest.Add(token2);
Assert.AreEqual(2, tokenTest.Size(), "tokenTest should have the size 2 (1).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (4).");
returnedToken = tokenTest.NextToken();
Assert.AreEqual(token1, returnedToken,
"The returned token should be equal to the given token (4).");
Assert.AreEqual(2, tokenTest.Size(), "tokenTest should have the size 2 (2).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (5).");
returnedToken = tokenTest.NextToken();
Assert.AreEqual(token2, returnedToken,
"The returned token should be equal to the given token (5).");
Assert.IsFalse(tokenTest.HasNext(), "HasNext() should be false here (3).");
// Test exception
tokenTest.NextToken();
}