public CompilerContext(LanguageCompiler compiler)
{
this.Compiler = compiler;
this.Runtime = compiler.Grammar.CreateRuntime();
#if DEBUG
Options |= CompilerOptions.GrammarDebugging;
#endif
}
EditorViewAdapterList _viewsCopy; //copy used in refresh loop; set to null when views are added/removed
#endregion Fields
#region Constructors
public EditorAdapter(LanguageCompiler compiler)
{
_compiler = compiler;
_context = new CompilerContext(_compiler);
_context.Options |= CompilerOptions.CollectTokens | CompilerOptions.MatchBraces;
_parsedSource = new ParsedSource(String.Empty, new TokenList(), null);
_colorizerThread = new Thread(ColorizerLoop);
_colorizerThread.IsBackground = true;
_parserThread = new Thread(ParserLoop);
_parserThread.IsBackground = true;
}
//Used in unit tests
public static LanguageCompiler CreateDummy()
{
LanguageCompiler compiler = new LanguageCompiler(new Grammar());
return compiler;
}
private void BuildGraphCLIGrammar()
{
#region global grammar options
GraphCLIGrammar.CaseSensitive = false;
NonTerminal _Command = new NonTerminal("Command");
List<ABnfTerm> _SubtreeCommandGrammarRoot = new List<ABnfTerm>();
#endregion
#region get command specific grammars
foreach (KeyValuePair<String, AllCLICommands> _aCommand in Commands)
{
//TODO: check if the grammar is valid. if not --> handle error
Grammar _aCommandGrammar = _aCommand.Value.CommandGrammar;
LanguageCompiler _testCompiler = new LanguageCompiler(_aCommandGrammar);
Boolean isGrammarValid = true;
foreach (String aErrorString in _testCompiler.Grammar.Errors)
{
if (aErrorString.StartsWith("Error"))
{
WriteLine(aErrorString);
isGrammarValid = false;
}
}
if (isGrammarValid)
{
GraphCLIGrammar.NonTerminals.AddRange(_aCommandGrammar.NonTerminals);
GraphCLIGrammar.Terminals.AddRange(_aCommandGrammar.Terminals);
_SubtreeCommandGrammarRoot.Add(_aCommandGrammar.Root);
}
else
{
WriteLine("ERROR! The command \"{0}\" is defined by an incorrect BNF grammar. It is not integrated into the GraphCLI!");
}
}
#endregion
#region build new root
for (int i = 0; i < _SubtreeCommandGrammarRoot.Count; i++)
{
BnfExpression _exprNew = new BnfExpression(_SubtreeCommandGrammarRoot[i]);
if (!i.Equals(0))
{
BnfExpression _exprActual = new BnfExpression(_Command.Rule);
_Command.Rule = _exprActual | _exprNew;
}
else
{
_Command.Rule = _exprNew;
}
}
GraphCLIGrammar.NonTerminals.Add(_Command);
GraphCLIGrammar.Root = _Command;
#endregion
}
private void LoadGrammar(params Type[] myCommandTypes)
{
FindAndRegisterCLICommands(myCommandTypes);
BuildGraphCLIGrammar();
GraphCLICompiler = new LanguageCompiler(GraphCLIGrammar);
#region Load Autocompletion
AutoCompletionTypeNames = new HashSet<string>();
foreach (Terminal aTerminal in GraphCLIGrammar.Terminals)
{
if (aTerminal.GraphOptions.Contains(GraphOption.IsUsedForAutocompletion))
{
AutoCompletionTypeNames.Add(aTerminal.Name);
}
}
LoadAutoCompletion();
#region Error Handling
foreach (String aAcName in AutoCompletionTypeNames)
{
if (!AutoCompletions.ContainsKey(aAcName.ToLower()))
{
if (_CLI_Output == CLI_Output.Standard)
WriteLine("WARNING! \"" + aAcName + "\"" + " Autocompletion is not available.");
}
}
#endregion
#endregion
}