public bool TryGetSymbolDefinitionByName(string name, out IntermediateSymbolDefinition symbolDefinition)
{
// First, look in the built-ins.
symbolDefinition = SymbolDefinitions.ByName(name);
if (symbolDefinition == null)
{
if (this.ExtensionData == null)
{
this.LoadExtensionData();
}
// Second, look in the extensions.
foreach (var data in this.ExtensionData)
{
if (data.TryGetSymbolDefinitionByName(name, out symbolDefinition))
{
break;
}
}
// Finally, look in the custom symbol definitions provided during an intermediate load.
if (symbolDefinition == null)
{
this.CustomDefinitionByName.TryGetValue(name, out symbolDefinition);
}
}
return(symbolDefinition != null);
}
public void CanCreateFileSymbolByName()
{
var symbol = SymbolDefinitions.ByName("File").CreateSymbol();
Assert.IsType <FileSymbol>(symbol);
Assert.Same(SymbolDefinitions.File, symbol.Definition);
}
public void SymbolDefinitions_CheckDigitDecodings_ShouldReturnReciprocalEntriesForAllEncodings()
{
var symbols = new SymbolDefinitions();
var encodeMappings = symbols.CheckDigitEncodings;
var decodeMappings = symbols.CheckDigitDecodings;
foreach (var encodeMapping in encodeMappings)
{
var encodeValue = encodeMapping.Key;
var encodeChar = encodeMapping.Value;
var decodeValue = decodeMappings[encodeChar];
Assert.Equal(encodeValue, decodeValue);
}
}
public void SymbolDefinitions_CheckDigitEncodings_ShouldReturnAllDistinctEntries()
{
var result = new SymbolDefinitions().CheckDigitEncodings;
Assert.Equal(result.Count, result.Select(s => s.Value).Distinct().Count());
}
public void SymbolDefinitions_CheckDigitEncodings_ShouldReturn37Entries()
{
var result = new SymbolDefinitions().CheckDigitEncodings;
Assert.Equal(37, result.Count);
}
public void SymbolDefinitions_ValueEncodings_ShouldReturn32Entries()
{
var result = new SymbolDefinitions().ValueEncodings;
Assert.Equal(32, result.Count);
}
public void DefineSymbol(ISymbol symbol, Location location)
{
var path = SymbolPath.ForSymbol(symbol ?? throw new ArgumentNullException(nameof(symbol)));
SymbolDefinitions.Add(path, new SymbolDefinitionBuilder(path, symbol, location ?? throw new ArgumentNullException(nameof(location))));
}
public IntermediateSymbol CreateSymbol(IntermediateSection section, SourceLineNumber sourceLineNumbers, SymbolDefinitionType symbolType, Identifier identifier = null)
{
var symbolDefinition = SymbolDefinitions.ByType(symbolType);
return(this.CreateSymbol(section, sourceLineNumbers, symbolDefinition, identifier));
}
