Function Expect

Source/SpireCore/Preprocessor.cpp:877–893

}

static bool Expect(PreprocessorDirectiveContext* context, CoreLib::Text::TokenType tokenType, DiagnosticInfo const& diagnostic, Token* outToken = NULL)
{
    if (PeekTokenType(context) != tokenType)
    {
        // Only report the first parse error within a directive
        if (!context->parseError)
        {
            GetSink(context)->diagnose(PeekLoc(context), diagnostic, tokenType, GetDirectiveName(context));
            context->parseError = true;
        }
        return false;
    }
    Token const& token = AdvanceToken(context);
    if (outToken)
        *outToken = token;
    return true;
}