public void Word_Lexer_State_BuiltIn_Tokens_As_Usual_Words()
{
string code = "Лев СтрДлина Прав";
var iterator = new SourceCodeIterator(code);
var state = new WordLexerState();
iterator.MoveToContent();
var lexem = state.ReadNextLexem(iterator);
Assert.True(lexem.Type == LexemType.Identifier);
Assert.True(lexem.Content == "Лев");
Assert.True(lexem.Token == Token.NotAToken);
iterator.MoveToContent();
lexem = state.ReadNextLexem(iterator);
Assert.True(lexem.Type == LexemType.Identifier);
Assert.True(lexem.Content == "СтрДлина");
Assert.True(lexem.Token == Token.NotAToken);
iterator.MoveToContent();
lexem = state.ReadNextLexem(iterator);
Assert.True(lexem.Type == LexemType.Identifier);
Assert.True(lexem.Content == "Прав");
Assert.True(lexem.Token == Token.NotAToken);
}
public void Identifier_LexerState_Works_Fine()
{
string code = " \ndddddd-";
var iterator = new SourceCodeIterator(code);
var state = new WordLexerState();
iterator.MoveToContent();
var lexem = state.ReadNextLexem(iterator);
Assert.True(lexem.Type == LexemType.Identifier);
Assert.True(lexem.Content == "dddddd");
}
public override Lexem ReadNextLexem(SourceCodeIterator iterator)
{
iterator.MoveNext();
if (!iterator.MoveToContent())
{
throw CreateExceptionOnCurrentLine(MESSAGE_ANNOTATION_EXPECTED, iterator);
}
if (!char.IsLetter(iterator.CurrentSymbol))
{
throw CreateExceptionOnCurrentLine(MESSAGE_ANNOTATION_EXPECTED, iterator);
}
var lexem = _wordExtractor.ReadNextLexem(iterator);
lexem.Type = LexemType.Annotation;
return(lexem);
}
public void Word_Literals_Processed_Correctly()
{
string code;
SourceCodeIterator iterator;
Lexem lex;
WordLexerState state = new WordLexerState();
code = " Истина Ложь Неопределено Null True False Undefined";
iterator = new SourceCodeIterator(code);
iterator.MoveToContent();
lex = state.ReadNextLexem(iterator);
Assert.Equal(LexemType.BooleanLiteral, lex.Type);
Assert.Equal("Истина", lex.Content);
iterator.MoveToContent();
lex = state.ReadNextLexem(iterator);
Assert.True(lex.Type == LexemType.BooleanLiteral);
Assert.Equal("Ложь", lex.Content);
iterator.MoveToContent();
lex = state.ReadNextLexem(iterator);
Assert.True(lex.Type == LexemType.UndefinedLiteral);
Assert.Equal("Неопределено", lex.Content);
iterator.MoveToContent();
lex = state.ReadNextLexem(iterator);
Assert.True(lex.Type == LexemType.NullLiteral);
Assert.Equal("Null", lex.Content);
iterator.MoveToContent();
lex = state.ReadNextLexem(iterator);
Assert.True(lex.Type == LexemType.BooleanLiteral);
Assert.Equal("True", lex.Content);
iterator.MoveToContent();
lex = state.ReadNextLexem(iterator);
Assert.True(lex.Type == LexemType.BooleanLiteral);
Assert.Equal("False", lex.Content);
iterator.MoveToContent();
lex = state.ReadNextLexem(iterator);
Assert.True(lex.Type == LexemType.UndefinedLiteral);
Assert.Equal("Undefined", lex.Content);
}