public ExpressionParserDeclarationResult ParseDeclaration(TextRange Signature)
{
var m = rSignature.Match(SignatureText.GetTextInLine(Signature));
if (!m.Success)
{
throw new InvalidSyntaxException("SignatureInvalid: " + Signature, new FileTextRange {
Text = SignatureText, Range = Signature
});
}
var Name = m.Result("${Name}");
var ParameterList = m.Result("${ParameterList}");
var ReturnType = m.Result("${ReturnType}");
var rt = ParseType(ReturnType, new FileTextRange {
Text = SignatureText, Range = Signature
});
List <VariableDef> Parameters;
if (rEmptyParameterList.Match(ParameterList).Success)
{
Parameters = new List <VariableDef>();
}
else
{
Parameters = ParameterList.Split(',').Select(p => ParseVariable(p, Signature)).ToList();
}
var dParameters = Parameters.ToDictionary(p => p.Name, p => p.Type);
var fd = new FunctionDecl
{
Name = Name,
Parameters = Parameters,
ReturnValue = rt
};
var epr = new ExpressionParserDeclarationResult
{
Declaration = fd,
Positions = Positions
};
return(epr);
}
public static ExpressionParserExprResult ParseBody(IVariableTypeProvider VariableTypeProvider, FunctionDecl Declaration, String Body)
{
var LinesBody = new List <TextLine>();
LinesBody.Add(new TextLine {
Text = Body, Range = new TextRange {
Start = new TextPosition {
CharIndex = 0, Row = 1, Column = 1
}, End = new TextPosition {
CharIndex = Body.Length, Row = 1, Column = Body.Length + 1
}
}
});
var tBody = new Text {
Path = "Body", Lines = LinesBody
};
var p = new Parser(null, tBody);
return(p.ParseBody(VariableTypeProvider, Declaration, LinesBody.Single().Range));
}
public ExpressionParserResult ParseFunction(IVariableTypeProvider VariableTypeProvider, FunctionDecl Declaration, TextRange Body)
{
var d = Declaration;
var epbr = ParseBody(VariableTypeProvider, d, Body);
var fd = new FunctionDef
{
Name = d.Name,
Parameters = d.Parameters,
ReturnValue = d.ReturnValue,
Body = epbr.Body
};
var epr = new ExpressionParserResult
{
Definition = fd,
TypeDict = epbr.TypeDict,
Positions = Positions
};
return(epr);
}
public ExpressionParserExprResult ParseBody(IVariableTypeProvider VariableTypeProvider, FunctionDecl Declaration, TextRange Body)
{
var d = Declaration;
var dParameters = d.Parameters.ToDictionary(p => p.Name, p => p.Type);
var vtp = new VariableTypeProviderCombiner(new SimpleVariableTypeProvider(dParameters), VariableTypeProvider);
var br = BindExpr(vtp, d.ReturnValue, Body);
var epr = new ExpressionParserExprResult
{
Body = br.Semantics,
TypeDict = br.TypeDict,
Positions = Positions
};
return(epr);
}
public ExpressionParserResult ParseFunction(IVariableTypeProvider VariableTypeProvider, FunctionDecl Declaration, TextRange Body)
{
var p = new Parser(SignatureText, BodyText);
return(p.ParseFunction(VariableTypeProvider, Declaration, Body));
}