public HereDocTestGrammar()
: base(true) {
var heredoc = new HereDocTerminal("HereDoc", "<<", HereDocOptions.None);
heredoc.AddSubType("<<-", HereDocOptions.AllowIndentedEndToken);
var @string = new StringLiteral("string", "\"");
var program = new NonTerminal("program");
program.Rule = heredoc + @"+" + @string + this.NewLine + @"+" + @string
| heredoc + @"+" + heredoc + @"+" + @string + this.NewLine
| heredoc + @"+" + @string + this.NewLine
| heredoc + @"+" + @string + @"+" + heredoc
| heredoc + @"+" + heredoc
| heredoc;
this.Root = program;
this.MarkPunctuation("+");
}
public void TestHereDocQuotedButUnused()
{
var quotes = new HashSet <string> {
"'", "\""
};
var term = new HereDocTerminal("Heredoc", "<<-", HereDocOptions.RemoveBeginningNewLine);
term.AddSubType("<<-", quotes, HereDocOptions.None);
var parser = TestHelper.CreateParser(term);
var token = parser.ParseInput(@"<<-BEGIN
test
BEGIN");
Assert.IsNotNull(token, "Failed to produce a token on valid string.");
Assert.IsNotNull(token.Value, "Token Value field is null - should be string.");
Assert.IsTrue((string)token.Value == "test", "Token Value is wrong, got {0} of type {1}", token.Value, token.Value.GetType());
}
public void TestHereDocUndentedNotAllowedError()
{
var quotes = new HashSet <string> {
"'", "\""
};
var term = new HereDocTerminal("Heredoc", "<<-", HereDocOptions.RemoveBeginningNewLine | HereDocOptions.RemoveIndents);
term.AddSubType("<<-", quotes, HereDocOptions.None);
var parser = TestHelper.CreateParser(term);
var token = parser.ParseInput(@"<<-BEGIN
test1
test2
test3
BEGIN");
Assert.IsNotNull(token, "Failed to produce a token on valid string.");
Assert.IsTrue(token.IsError, "Failed to detect error on invalid heredoc.");
}
public HereDocTestGrammar()
: base(true)
{
var heredoc = new HereDocTerminal("HereDoc", "<<", HereDocOptions.None);
heredoc.AddSubType("<<-", HereDocOptions.AllowIndentedEndToken);
var @string = new StringLiteral("string", "\"");
var program = new NonTerminal("program");
program.Rule = heredoc + @"+" + @string + this.NewLine + @"+" + @string
| heredoc + @"+" + heredoc + @"+" + @string + this.NewLine
| heredoc + @"+" + @string + this.NewLine
| heredoc + @"+" + @string + @"+" + heredoc
| heredoc + @"+" + heredoc
| heredoc;
this.Root = program;
this.MarkPunctuation("+");
}
public void TestHereDocUndented()
{
var quotes = new HashSet <string> {
"'", "\""
};
var term = new HereDocTerminal("Heredoc", "<<-", HereDocOptions.RemoveBeginningNewLine | HereDocOptions.RemoveIndents | HereDocOptions.AllowIndentedEndToken);
term.AddSubType("<<-", quotes, HereDocOptions.None);
var parser = TestHelper.CreateParser(term);
var token = parser.ParseInput(@"<<-BEGIN
test0
test1
test2
test3
BEGIN");
Assert.IsNotNull(token, "Failed to produce a token on valid string.");
Assert.IsNotNull(token.Value, "Token Value field is null - should be string.");
var nl = Environment.NewLine;
Assert.IsTrue((string)token.Value == $" test0{nl}test1{nl}test2{nl} test3", "Token Value is wrong, got {0} of type {1}", token.Value, token.Value.GetType());
}