void CheckTokens(VBLexer lexer, params int[] tokens)
{
for (int i = 0; i < tokens.Length; i++) {
int token = tokens[i];
Token t = lexer.NextToken();
int next = t.Kind;
Assert.IsEmpty(lexer.Errors.ErrorOutput);
Assert.AreEqual(token, next, "{2} of {3}: expected: \"{0}\", was: \"{1}\"; at {4}", Tokens.GetTokenString(token), Tokens.GetTokenString(next), i + 1, tokens.Length, t.Location);
}
}
void CheckHead(VBLexer lexer)
{
CheckTokens(lexer, Tokens.Class, Tokens.Identifier, Tokens.EOL,
Tokens.Sub, Tokens.Identifier, Tokens.EOL);
}
void CheckFoot(VBLexer lexer)
{
CheckTokens(lexer, Tokens.EOL, Tokens.End, Tokens.Sub, Tokens.EOL, Tokens.End, Tokens.Class);
}
VBLexer GenerateLexerForSnippet(StringReader sr, SnippetType type)
{
var lexer = new VBLexer(sr);
lexer.SetInitialContext(type);
return lexer;
}
void RunTest(string code, string expectedOutput)
{
ExpressionFinder p = new ExpressionFinder();
VBLexer lexer = new VBLexer(new StringReader(code));
Token t;
do {
t = lexer.NextToken();
p.InformToken(t);
} while (t.Kind != Tokens.EOF);
Console.WriteLine(p.Output);
Assert.IsEmpty(p.Errors);
Assert.AreEqual(expectedOutput.Replace("\r", ""),
p.Output.Replace("\r", ""));
}
void CheckTokens(VBLexer lexer, params int[] tokens)
{
for (int i = 0; i < tokens.Length; i++) {
int token = tokens[i];
Token t = lexer.NextToken();
int next = t.Kind;
Assert.AreEqual(token, next, "{2} of {3}: {0} != {1}; at {4}", Tokens.GetTokenString(token), Tokens.GetTokenString(next), i + 1, tokens.Length, t.Location);
}
}