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Made resolvevariable in binder public static so VS Code extension can use it

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Deukhoofd 2018-12-12 16:34:47 +01:00
parent a4cdaa5b05
commit e741e9c355
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GPG Key ID: B4C087AC81641654
1 changed files with 27 additions and 13 deletions
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34
Upsilon/Binder/Binder.cs
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@ -12,7 +12,7 @@ using Type = Upsilon.BaseTypes.Type;
namespace Upsilon.Binder
{
internal class Binder : IDisposable
public class Binder : IDisposable
{
private Diagnostics _diagnostics;
public BoundScope Scope { get; private set; }
@ -216,7 +216,11 @@ namespace Upsilon.Binder
}
var returnType = Type.Unknown;
var resolved = ResolveVariable(expression);
var resolved = ResolveVariable(expression, _diagnostics);
if (resolved == null)
{
_diagnostics.LogError("Can't resolve variable", expression.Span);
}
if (resolved is FunctionVariableSymbol function)
{
if (function is ScriptFunctionVariableSymbol scriptFunction)
@ -294,7 +298,7 @@ namespace Upsilon.Binder
return new BoundFunctionCallExpression(expression, parameters.ToImmutable(), e.Span, returnType);
}
private VariableSymbol ResolveVariable(BoundExpression expression)
public static VariableSymbol ResolveVariable(BoundExpression expression, Diagnostics diagnostics)
{
if (expression.Kind == BoundKind.VariableExpression)
{
@ -305,22 +309,29 @@ namespace Upsilon.Binder
{
var fullStopIndexExpression = (BoundFullStopIndexExpression) expression;
var indexerExpression = fullStopIndexExpression.Expression;
var indexerVariable = ResolveVariable(indexerExpression);
if (indexerVariable.Type == Type.Table)
var indexerVariable = ResolveVariable(indexerExpression, diagnostics);
if (indexerVariable == null)
{
diagnostics?.LogError("Can't resolve variable", expression.Span);
}
else if (indexerVariable.Type == Type.Table)
{
return ((TableVariableSymbol)indexerVariable).Variables[fullStopIndexExpression.Index];
}
if (indexerVariable.Type == Type.UserData)
else if (indexerVariable.Type == Type.UserData)
{
var parent =
(UserDataBoundTypeDefinition) ((UserDataVariableSymbol) indexerVariable).BoundTypeDefinition;
var bDefProperty = parent.Properties[fullStopIndexExpression.Index.ToLowerInvariant()];
if (parent.Properties.TryGetValue(fullStopIndexExpression.Index.ToLowerInvariant(),
out var bDefProperty))
{
var boundDef = BoundTypeHandler.GetTypeDefinition(bDefProperty.ActualType);
if (boundDef != null)
{
return new UserDataVariableSymbol(fullStopIndexExpression.Index, boundDef, parent);
}
}
}
else if (indexerVariable.Type == Type.Unknown)
{
if (indexerVariable is UserDataVariableSymbol funcSymbol)
@ -341,7 +352,6 @@ namespace Upsilon.Binder
{
return new VariableSymbol("", expression.Type, true);
}
_diagnostics.LogError("Can't resolve variable", expression.Span);
return null;
}
@ -773,8 +783,12 @@ namespace Upsilon.Binder
return new BoundFullStopIndexExpression(expression, index, Type.Unknown, e.Span);
}
var variableSymbol = ResolveVariable(expression);
if (variableSymbol != null)
var variableSymbol = ResolveVariable(expression, _diagnostics);
if (variableSymbol == null)
{
_diagnostics.LogError("Can't resolve variable", expression.Span);
}
else
{
var functionParameter = (UserDataVariableSymbol) variableSymbol;
var udBoundDef = (UserDataBoundTypeDefinition)functionParameter.BoundTypeDefinition;