public void ParserShouldCallStatementFactoryAndContextManagerWhenParsingTokens()
{
IList <TokenBase> input = new List <TokenBase>();
input.Add(TokenCreator.Create <GenericToken>("source", null));
input.Add(TokenCreator.Create <GenericToken>("code", null));
IStatementFactory factory = Mocker.StrictMock <IStatementFactory>();
IStatementContext context = Mocker.StrictMock <IStatementContext>();
IStatementContextManager contextManager = Mocker.StrictMock <IStatementContextManager>();
Expect.Call(factory.CanCreateStatementFrom(new List <TokenBase>(), context)).IgnoreArguments().Return(true).Repeat.Once();
Expect.Call(factory.Create(input, context)).Return(new GenericStatement(input, context)).Repeat.Once();
Expect.Call(() => contextManager.Encountered(new[] { new GenericStatement(input, context) }, input.Count, input)).Repeat.Once();
Expect.Call(contextManager.GetContext(input)).Return(context).Repeat.Once();
input.Add(TokenCreator.Create <SemiColonToken>());
StubStatementFactoryProvider provider = new StubStatementFactoryProvider(factory);
CalidusStatementParser parser = new CalidusStatementParser(provider, contextManager);
Mocker.ReplayAll();
parser.Parse(input);
Mocker.VerifyAll();
}
protected override bool IsValidContext(IStatementContext context)
{
bool isType = context.Parents.FirstParentIsOfType <ClassStatement>();
bool isNext = context.IsNextToken <OpenCurlyBracketToken>() == false;
return(isType && isNext);
}
public override void SetUp()
{
base.SetUp();
_factory = new IndexerStatementFactory();
_context = Mocker.DynamicMock <IStatementContext>();
}
public virtual void SetUp()
{
_mocker = new MockRepository();
IStatementContext context = _mocker.DynamicMock <IStatementContext>();
_tokenCreator = new TokenCreator();
_statementCreator = new StatementCreator(_tokenCreator, context);
}
public void StatementBaseInheritorsShouldBeEqualWhenNotAddingAdditionalProperties()
{
IStatementContext context = Mocker.DynamicMock <IStatementContext>();
StatementBaseImpl alpha = new StatementBaseImpl(context);
StatementBaseImpl bravo = new StatementBaseImpl(context);
Assert.AreEqual(alpha, bravo);
}
/// <summary>
/// Resolves the token list as a statement and returns the statement
/// </summary>
/// <param name="input">The tokens to parse</param>
/// <param name="context">The context for the stamement</param>
/// <returns>The statement</returns>
public StatementBase Create(IEnumerable <TokenBase> input, IStatementContext context)
{
if (CanCreateStatementFrom(input, context))
{
return(BuildStatement(input, context));
}
else
{
throw new CalidusException("The factory cannot parse the token list into a statement");
}
}
public void StatementBaseFindFirstOccurenceOfShouldReturnNullIfNoOccurenceFound()
{
IStatementContext context = Mocker.DynamicMock <IStatementContext>();
IList <TokenBase> input = new List <TokenBase>();
input.Add(TokenCreator.Create <PublicModifierToken>());
input.Add(TokenCreator.Create <SpaceToken>());
input.Add(TokenCreator.Create <ClassToken>());
input.Add(TokenCreator.Create <SpaceToken>());
input.Add(TokenCreator.Create <IdentifierToken>("Test"));
StatementBaseImpl imp = new StatementBaseImpl(input, context);
Assert.IsNull(imp.OccurenceOf <TabToken>());
}
public void StatementBaseFindFirstOccurenceOfShouldReturnFirstOccurenceOfTokenType()
{
IStatementContext context = Mocker.DynamicMock <IStatementContext>();
IList <TokenBase> input = new List <TokenBase>();
input.Add(TokenCreator.Create <PublicModifierToken>());
input.Add(TokenCreator.Create <SpaceToken>());
TokenBase expected = TokenCreator.Create <ClassToken>();
input.Add(expected);
input.Add(TokenCreator.Create <SpaceToken>());
input.Add(TokenCreator.Create <IdentifierToken>("Test"));
StatementBaseImpl imp = new StatementBaseImpl(input, context);
Assert.AreEqual(expected, imp.OccurenceOf <ClassToken>());
}
/// <summary> /// Builds the appropriate statement for the token list /// </summary> /// <param name="input">The token list</param> /// <param name="context">The statement context</param> /// <returns>The statement</returns> protected abstract TStatementType BuildStatement(IEnumerable <TokenBase> input, IStatementContext context);
/// <summary>
/// Checks to see if the current factory is able to create a statement from the token list
/// </summary>
/// <param name="tokenList">The tokens to try to parse as a statement</param>
/// <param name="context">The statement context</param>
/// <returns>True if able to parse, otherwise false</returns>
public bool CanCreateStatementFrom(IEnumerable <TokenBase> tokenList, IStatementContext context)
{
return(IsValidContext(context) && Expression.Matches(tokenList));
}
protected override StubStatement BuildStatement(IEnumerable <TokenBase> input, IStatementContext context)
{
throw new NotImplementedException();
}
protected override IndexerStatement BuildStatement(IEnumerable <TokenBase> input, IStatementContext context)
{
return(new IndexerStatement(input, context));
}
protected override RegionEndStatement BuildStatement(IEnumerable <TokenBase> input, IStatementContext context)
{
return(new RegionEndStatement(input, context));
}
protected override NameSpaceStatement BuildStatement(IEnumerable <TokenBase> input, IStatementContext context)
{
return(new NameSpaceStatement(input, context));
}
/// <summary>
/// Create a new instance of this class
/// </summary>
/// <param name="tokens">The list of tokens in the statement</param>
/// <param name="context">The context the statement is in</param>
protected StatementBase(IEnumerable <TokenBase> tokens, IStatementContext context)
{
Tokens = tokens;
Context = context;
}
/// <summary>
/// Create a new instance of this class
/// </summary>
/// <param name="tokens">The list of tokens in the statement</param>
/// <param name="context">The context</param>
public RegionEndStatement(IEnumerable <TokenBase> tokens, IStatementContext context)
: base(tokens, context)
{
}
/// <summary>
/// Create a new instance of this class
/// </summary>
/// <param name="tokens">The tokens in this statement</param>
/// <param name="context">The context</param>
public GenericStatement(IEnumerable <TokenBase> tokens, IStatementContext context)
: base(tokens, context)
{
}
/// <summary>
/// Parses the list of tokens into statements
/// </summary>
/// <param name="tokens">The list of tokens</param>
/// <returns>The list of statements</returns>
public IEnumerable <StatementBase> Parse(IEnumerable <TokenBase> tokens)
{
IList <StatementBase> res = new List <StatementBase>();
IList <TokenBase> currentStatementTokens = new List <TokenBase>();
for (int i = 0; i < tokens.Count(); i++)
{
TokenBase aToken = tokens.ElementAt(i);
currentStatementTokens.Add(aToken);
//when the token is a valid statement ender, add a statement and reset the list
if (aToken is SemiColonToken ||
aToken is OpenCurlyBracketToken ||
aToken is CloseCurlyBracketToken ||
aToken is LineCommentToken ||
aToken is CloseSquareBracketToken ||
aToken is PreProcessorToken ||
NextIsOfType(i, tokens, typeof(OpenCurlyBracketToken)) ||
NextIsOfType(i, tokens, typeof(AssignmentToken))
)
{
IList <StatementBase> createdStatements = new List <StatementBase>();
bool wasStatement = false;
//check all statement factories
IStatementContext context = _contextManager.GetContext(currentStatementTokens);
foreach (IStatementFactory statementFactory in _statementFactoryProvider.GetFactories())
{
if (statementFactory.CanCreateStatementFrom(currentStatementTokens, context))
{
createdStatements.Add(statementFactory.Create(new List <TokenBase>(currentStatementTokens), context));
wasStatement = true;
}
}
//check: if the current statements were not successfully parsed
//the list is not cleared, add as a generic statement
if (!wasStatement)
{
createdStatements.Add(new GenericStatement(new List <TokenBase>(currentStatementTokens), context));
}
currentStatementTokens.Clear();
//notify context manager
_contextManager.Encountered(createdStatements, i, tokens);
//add results
foreach (StatementBase aStatement in createdStatements)
{
res.Add(aStatement);
}
}
}
//check: if the current statements were not successfully parsed
//the list is not cleared, add as a generic statement
if (currentStatementTokens.Count != 0)
{
res.Add(new GenericStatement(new List <TokenBase>(currentStatementTokens), _contextManager.GetContext(currentStatementTokens)));
currentStatementTokens.Clear();
}
return(res);
}
/// <summary> /// Checks if the statement context is valid for the expression /// </summary> /// <param name="context">The context</param> protected abstract bool IsValidContext(IStatementContext context);
/// <summary>
/// Create a new instance of this class
/// </summary>
/// <param name="tokens">The list of tokens in the statement</param>
/// <param name="context">The statement context</param>
public MethodStatement(IEnumerable <TokenBase> tokens, IStatementContext context)
: base(tokens, context)
{
}
/// <summary>
/// Create a new instance of this class
/// </summary>
/// <param name="tokens">The list of tokens in the statement</param>
/// <param name="context">The statement context</param>
public InterfaceStatement(IEnumerable <TokenBase> tokens, IStatementContext context)
: base(tokens, context)
{
}
protected override CloseBlockStatement BuildStatement(IEnumerable <TokenBase> input, IStatementContext context)
{
return(new CloseBlockStatement(input, context));
}
/// <summary>
/// Create a new instance of this object
/// </summary>
/// <param name="tokenCreator">The token creator to use</param>
/// <param name="context">The statement context to pass</param>
public StatementCreator(TokenCreator tokenCreator, IStatementContext context)
{
TokenCreator = tokenCreator;
Context = context;
}
/// <summary>
/// Create a new instance of this class
/// </summary>
/// <param name="tokens">The list of tokens in the statement</param>
/// <param name="context">The context</param>
protected AccessModifierStatement(IEnumerable <TokenBase> tokens, IStatementContext context)
: base(tokens, context)
{
}
protected override bool IsValidContext(IStatementContext context)
{
return(context.Parents.FirstParentIsOfType <ClassStatement>());
}
protected override AttributeStatement BuildStatement(IEnumerable <TokenBase> input, IStatementContext context)
{
return(new AttributeStatement(input, context));
}
/// <summary>
/// Create a new instance of this class
/// </summary>
/// <param name="tokens">The list of tokens in the statement</param>
/// <param name="context">The context</param>
public OpenBlockStatement(IEnumerable <TokenBase> tokens, IStatementContext context)
: base(tokens, context)
{
}
public StatementBase Create(IEnumerable <TokenBase> tokenList, IStatementContext context)
{
return(new GenericStatement(tokenList, context));
}
protected override bool IsValidContext(IStatementContext context)
{
return(true);
}
public bool CanCreateStatementFrom(IEnumerable <TokenBase> tokenList, IStatementContext context)
{
return(true);
}