public void ShouldSupportGenericPassthroughResult()
{
// Arrange
var peg = Peg.GenericPassthroughTest();
peg.DefaultSemanticActions.SetDefaultGenericPassthroughAction <GenericPassthroughAst>();
string testInput = "aaaabbbb";
var tokenizer = peg.Tokenizer(TokenDefinitions.AB);
var rules = peg.ParserGenerator.GetParsingRules("Start => &([A]) [A] [B]");
var parser = peg.Parser(ParsingRuleNames.Start, rules);
// Act
var tokenizationResult = tokenizer.Tokenize(testInput);
var parseResult = parser.Parse(tokenizationResult.MatchedRanges);
// Assert
var result = (GenericPassthroughAst)parseResult.SemanticActionResult;
var subResults = result.SubResults.Cast <GenericPassthroughAst>().First().SubResults.Cast <GenericPassthroughAst>().ToList();
Assert.Null(subResults[0]); // predicate does not consume tokens
var seqResults = subResults[1].SubResults.Cast <GenericPassthroughAst>().ToList();
Assert.Equal("aaaa", seqResults[0].MatchedTokens.GetMatchedString());
Assert.Equal("bbbb", seqResults[1].MatchedTokens.GetMatchedString());
Assert.Equal(MatchedPegOperator.NonTerminal, result.MatchedOperator);
}
public void ShouldSupportGenericPassthroughResult()
{
// Arrange
var peg = Peg.GenericPassthroughTest();
peg.DefaultSemanticActions.SetDefaultGenericPassthroughAction <GenericPassthroughAst>();
string inputString = string.Empty;
var op = peg.Operators;
var tokenizer = peg.Tokenizer(TokenDefinitions.AB);
var rules = peg.ParserGenerator.GetParsingRules("Start => []");
var parser = peg.Parser(ParsingRuleNames.Start, rules);
// Act
var tokensResult = tokenizer.Tokenize(inputString);
var parseResult = parser.Parse(tokensResult.MatchedRanges);
// Assert
var result = (GenericPassthroughAst)parseResult.SemanticActionResult;
var subResults = result.SubResults.Cast <GenericPassthroughAst>().First().SubResults.Cast <GenericPassthroughAst>().ToList();
Assert.Equal(string.Empty, result.MatchedTokens.GetMatchedString());
Assert.Empty(subResults);
Assert.Equal(MatchedPegOperator.NonTerminal, result.MatchedOperator);
Assert.Equal(MatchedPegOperator.EmptyString, result.SubResults.Cast <GenericPassthroughAst>().Single().MatchedOperator);
}
