public static SourceObject Compute(
Compiler compiler,
Source src,
AmbientParser.IUnoCodeReader codeReader,
AmbientParser.ParseResult parseResult,
out int rangeStart,
out int rangeLength,
out string memberExp)
{
var cc = new CodeCompleter.CodeCompleter(compiler, src, codeReader, codeReader.Offset, parseResult);
return(Compute(src, codeReader, cc, out rangeStart, out rangeLength, out memberExp));
}
static SourceObject Compute(
Source src,
AmbientParser.IUnoCodeReader codeReader,
CodeCompleter.CodeCompleter codeCompleter,
out int rangeStart,
out int rangeLength,
out string memberExp)
{
memberExp = "";
rangeStart = 0;
rangeLength = 0;
try
{
memberExp = FindMemberExpression(codeReader, out rangeStart, out rangeLength, codeCompleter);
if (memberExp == null || codeCompleter.Context.NodePath == null)
{
return(null);
}
var methodNode = codeCompleter.Context.NodePath.LastOrDefault(x => AmbientParser.NodeTypeHelpers.IsMethodNode(x.Type));
var fc = codeCompleter.CreateFunctionCompiler(methodNode);
var pe = codeCompleter.ResolveStringInFunctionContext(methodNode, memberExp, src, fc);
if ((pe == null || pe.IsInvalid) && fc.Namescope != null)
{
var compute = ResolveStringWhenClassDeclaration(memberExp, fc);
if (compute != null)
{
return(compute);
}
}
return(ResolvePartialExpression(pe));
}
catch (Exception e)
{
if (e is MaxErrorException)
{
throw;
}
return(null);
}
}
public static string FindMemberExpression(
AmbientParser.IUnoCodeReader codeReader,
out int rangeStart,
out int rangeLength,
CodeCompleter.CodeCompleter cc)
{
rangeStart = codeReader.Offset;
rangeLength = codeReader.Offset;
// Skip to end of identifier;
while (true)
{
var cs = codeReader.PeekText(1);
if (string.IsNullOrEmpty(cs))
{
return(null);
}
var c = cs[0];
if (char.IsLetterOrDigit(c) || c == '_')
{
codeReader.ReadText(1);
}
else
{
break;
}
}
int rangeEnd = codeReader.Offset;
if (cc.Context.NodePath == null)
{
return(null);
}
TokenType tt;
var memberExp = cc.FindMemberExpression(out tt, false, false);
rangeStart = rangeEnd - memberExp.Length;
rangeLength = memberExp.Length;
return(memberExp);
}
public static void Suggest(Uno.Compiler.Core.Compiler compiler, AmbientParser.ParseResult parseResult, IUnoCodeReader codeReader, Source src, List <Function> pinfo, out int highlightArgument, out int range, out IEnumerable <string> usings)
{
highlightArgument = 0;
range = 0;
usings = new List <string>();
try
{
// Scan backwards to find function argument list start
var caret = codeReader.Offset;
FindArgListStart(codeReader, out highlightArgument);
range = caret - codeReader.Offset;
TokenType tt;
var cc = new CodeCompleter.CodeCompleter(compiler, src, codeReader, caret, parseResult);
var memberExp = cc.FindMemberExpression(out tt, false, false);
if (tt == TokenType.Import)
{
memberExp += "Importer";
}
else if (memberExp == "sample")
{
pinfo.Add(new Method(src, null, null, 0, "sample", compiler.ILFactory.Essentials.Float4, new[]
{
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Texture2D, "texture", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Float2, "texCoord", null),
}, null));
pinfo.Add(new Method(src, null, null, 0, "sample", compiler.ILFactory.Essentials.Float4, new[]
{
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Texture2D, "texture", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Float2, "texCoord", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.SamplerState, "samplerState", null),
}, null));
pinfo.Add(new Method(src, null, null, 0, "sample", compiler.ILFactory.Essentials.Float4, new[]
{
new Parameter(src, null, 0, compiler.ILFactory.Essentials.TextureCube, "texture", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Float3, "texCoord", null),
}, null));
pinfo.Add(new Method(src, null, null, 0, "sample", compiler.ILFactory.Essentials.Float4, new[]
{
new Parameter(src, null, 0, compiler.ILFactory.Essentials.TextureCube, "texture", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Float3, "texCoord", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.SamplerState, "samplerState", null),
}, null));
}
else if (memberExp == "vertex_attrib")
{
var gpt = new GenericParameterType(src, compiler.ILFactory.Essentials.Object, "T");
var gptarray = compiler.TypeBuilder.GetArray(gpt);
var ushortArray = compiler.TypeBuilder.GetArray(compiler.ILFactory.Essentials.UShort);
pinfo.Add(new Method(src, null, null, 0, "vertex_attrib", gpt, new[]
{
new Parameter(src, null, 0, gptarray, "vertexArray", null)
}, null));
pinfo.Add(new Method(src, null, null, 0, "vertex_attrib", gpt, new[]
{
new Parameter(src, null, 0, gptarray, "vertexArray", null),
new Parameter(src, null, 0, ushortArray, "indexArray", null),
}, null));
pinfo.Add(new Method(src, null, null, 0, "vertex_attrib<T>", gpt, new[]
{
new Parameter(src, null, 0, compiler.ILFactory.Essentials.VertexAttributeType, "vertexAttributeType", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.VertexBuffer, "vertexBuffer", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Int, "stride", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Int, "offset", null),
}, null));
pinfo.Add(new Method(src, null, null, 0, "vertex_attrib<T>", gpt, new[]
{
new Parameter(src, null, 0, compiler.ILFactory.Essentials.VertexAttributeType, "vertexAttributeType", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.VertexBuffer, "vertexBuffer", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Int, "stride", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.Int, "offset", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.IndexType, "indexType", null),
new Parameter(src, null, 0, compiler.ILFactory.Essentials.IndexBuffer, "indexBuffer", null),
}, null));
}
usings = cc.Context.Usings;
if (cc.Context.NodePath == null || cc.Context.NodePath.Count == 0)
{
return;
}
var pe = cc.ResolveStringInFunctionContext(cc.Context.NodePath.LastOrDefault(x => AmbientParser.NodeTypeHelpers.IsMethodNode(x.Type)), memberExp, src);
if (pe != null)
{
DataType dt = null;
string methodName = null;
if (pe.ExpressionType == PartialExpressionType.MethodGroup)
{
var mg = pe as PartialMethodGroup;
if (mg.Object != null)
{
dt = mg.Object.ReturnType;
}
else
{
dt = mg.Methods[0].DeclaringType;
}
methodName = mg.Methods[0].Name;
}
else if (pe.ExpressionType == PartialExpressionType.Type)
{
var pdt = pe as PartialType;
foreach (var c in pdt.Type.Constructors)
{
pinfo.Add(c);
}
return;
}
var hidden = new HashSet <Method>();
while (dt != null)
{
foreach (var m in dt.Methods)
{
if (!hidden.Contains(m))
{
if (m.Name == methodName)
{
pinfo.Add(m);
}
}
if (m.OverriddenMethod != null)
{
hidden.Add(m.OverriddenMethod);
}
}
dt = dt.Base;
}
}
}
catch (Exception) { }
}
