override protected ImmutableArray <LocalSymbol> BuildLocals()
{
ExpressionSyntax expressionSyntax = TargetExpressionSyntax;
VariableDeclarationSyntax declarationSyntax = _syntax.Declaration;
Debug.Assert((expressionSyntax == null) ^ (declarationSyntax == null)); // Can't have both or neither.
if (expressionSyntax != null)
{
var locals = ArrayBuilder <LocalSymbol> .GetInstance();
PatternVariableFinder.FindPatternVariables(this, locals, expressionSyntax);
return(locals.ToImmutableAndFree());
}
else
{
var locals = ArrayBuilder <LocalSymbol> .GetInstance(declarationSyntax.Variables.Count);
foreach (VariableDeclaratorSyntax declarator in declarationSyntax.Variables)
{
locals.Add(MakeLocal(RefKind.None, declarationSyntax, declarator, LocalDeclarationKind.UsingVariable));
if (declarator.Initializer != null)
{
PatternVariableFinder.FindPatternVariables(this, locals, declarator.Initializer.Value);
}
}
return(locals.ToImmutableAndFree());
}
}
protected override ImmutableArray <LocalSymbol> BuildLocals()
{
var builder = ArrayBuilder <LocalSymbol> .GetInstance();
PatternVariableFinder.FindPatternVariables(this, builder, (CSharpSyntaxNode)ScopeDesignator);
return(builder.ToImmutableAndFree());
}
override protected ImmutableArray <LocalSymbol> BuildLocals()
{
var locals = ArrayBuilder <LocalSymbol> .GetInstance();
var refKind = _syntax.RefKeyword.Kind().GetRefKind();
// Deconstruction, Declaration, and Initializers are mutually exclusive.
if (_syntax.Deconstruction != null)
{
CollectLocalsFromDeconstruction(_syntax.Deconstruction.VariableComponent, LocalDeclarationKind.ForInitializerVariable, locals);
PatternVariableFinder.FindPatternVariables(this, locals, _syntax.Deconstruction.Value);
}
else if (_syntax.Declaration != null)
{
foreach (var vdecl in _syntax.Declaration.Variables)
{
var localSymbol = MakeLocal(refKind, _syntax.Declaration, vdecl, LocalDeclarationKind.ForInitializerVariable);
locals.Add(localSymbol);
PatternVariableFinder.FindPatternVariables(this, locals, vdecl.Initializer?.Value);
}
}
else
{
PatternVariableFinder.FindPatternVariables(this, locals, _syntax.Initializers);
}
PatternVariableFinder.FindPatternVariables(this, locals, node: _syntax.Condition);
PatternVariableFinder.FindPatternVariables(this, locals, _syntax.Incrementors);
return(locals.ToImmutableAndFree());
}
override protected ImmutableArray <LocalSymbol> BuildLocals()
{
var locals = ArrayBuilder <LocalSymbol> .GetInstance();
var declaration = _syntax.Declaration;
if (declaration != null)
{
if (!declaration.IsDeconstructionDeclaration)
{
var refKind = _syntax.RefKeyword.Kind().GetRefKind();
foreach (var variable in declaration.Variables)
{
var localSymbol = MakeLocal(refKind,
declaration,
variable,
LocalDeclarationKind.ForInitializerVariable);
locals.Add(localSymbol);
if (variable.Initializer != null)
{
PatternVariableFinder.FindPatternVariables(this, locals, variable.Initializer.Value);
}
}
}
else
{
CollectLocalsFromDeconstruction(declaration, declaration.Type, LocalDeclarationKind.ForInitializerVariable, locals);
}
}
else
{
PatternVariableFinder.FindPatternVariables(this, locals, _syntax.Initializers);
}
if (_syntax.Condition != null)
{
PatternVariableFinder.FindPatternVariables(this, locals, node: _syntax.Condition);
}
PatternVariableFinder.FindPatternVariables(this, locals, _syntax.Incrementors);
return(locals.ToImmutableAndFree());
}
override protected ImmutableArray <LocalSymbol> BuildLocals()
{
var locals = ArrayBuilder <LocalSymbol> .GetInstance();
var declarationOpt = _syntax.Declaration;
if ((declarationOpt != null) && (declarationOpt.Identifier.Kind() != SyntaxKind.None))
{
locals.Add(SourceLocalSymbol.MakeLocal(this.ContainingMemberOrLambda, this, RefKind.None, declarationOpt.Type, declarationOpt.Identifier, LocalDeclarationKind.CatchVariable));
}
if (_syntax.Filter != null)
{
PatternVariableFinder.FindPatternVariables(this, locals, _syntax.Filter.FilterExpression);
}
return(locals.ToImmutableAndFree());
}
override protected ImmutableArray <LocalSymbol> BuildLocals()
{
if (_syntax.Declaration != null)
{
var locals = new ArrayBuilder <LocalSymbol>(_syntax.Declaration.Variables.Count);
foreach (VariableDeclaratorSyntax declarator in _syntax.Declaration.Variables)
{
locals.Add(MakeLocal(RefKind.None, _syntax.Declaration, declarator, LocalDeclarationKind.FixedVariable));
if (declarator.Initializer != null)
{
PatternVariableFinder.FindPatternVariables(this, locals, declarator.Initializer.Value);
}
}
return(locals.ToImmutable());
}
return(ImmutableArray <LocalSymbol> .Empty);
}