public ElementAccessSharpnode(ElementAccessExpressionSyntax syntax) : base(syntax)
{
this.eaes = syntax;
this.Container = RoslynToSharpnode.MapExpression(syntax.Expression);
// Only single-dimensional arrays are supported.
this.Index = RoslynToSharpnode.MapExpression(syntax.ArgumentList.Arguments[0].Expression);
}
public override void Run(List <ExpressionSharpnode> arguments, SyntaxNode originalNode, TranslationContext context)
{
if (this.MethodGroup is MemberAccessExpressionSyntax)
{
MemberAccessExpressionSyntax memberAccess = (MemberAccessExpressionSyntax)this.MethodGroup;
var leftExpression = RoslynToSharpnode.MapExpression(memberAccess.Expression);
// There are some Viper purity requirements here, but they are checked by the verifier,
// so we don't need to check them.
var leftExpressionResult = leftExpression.Translate(context);
var rightExpressionResult = arguments[0].Translate(context);
Silvernode implies = new BinaryExpressionSilvernode(
leftExpressionResult.Silvernode, this._operator,
rightExpressionResult.Silvernode,
originalNode
);
this.Errors.AddRange(leftExpressionResult.Errors);
this.Errors.AddRange(rightExpressionResult.Errors);
this.Prependors.AddRange(leftExpressionResult.PrependTheseSilvernodes);
this.Prependors.AddRange(rightExpressionResult.PrependTheseSilvernodes);
this.Silvernode = implies;
}
else
{
this.Errors.Add(new Error(Diagnostics.SSIL110_InvalidSyntax, originalNode,
"member access expression expected"));
this.Silvernode = new TextSilvernode(Constants.SilverErrorString, originalNode);
}
}
public CompoundAssignmentExpressionSharpnode(AssignmentExpressionSyntax syntax, string operation)
: base(syntax)
{
this.operation = operation;
this.Left = RoslynToSharpnode.MapExpression(syntax.Left);
this.Right = RoslynToSharpnode.MapExpression(syntax.Right);
}
public BinaryExpressionSharpnode(BinaryExpressionSyntax syntax, string @operator) : base(syntax)
{
this._syntax = syntax;
this.Operator = @operator;
this.Left = RoslynToSharpnode.MapExpression(syntax.Left);
this.Right = RoslynToSharpnode.MapExpression(syntax.Right);
}
public ReturnStatementSharpnode(ReturnStatementSyntax stmt) : base(stmt)
{
if (stmt.Expression != null)
{
this.Expression = RoslynToSharpnode.MapExpression(stmt.Expression);
}
}
public ObjectCreationExpressionSharpnode(ObjectCreationExpressionSyntax syntax) : base(syntax)
{
foreach (var argument in syntax.ArgumentList.Arguments)
{
this.Arguments.Add(RoslynToSharpnode.MapExpression(argument.Expression));
}
}
public InvocationExpressionSharpnode(InvocationExpressionSyntax syntax) : base(syntax)
{
this.MethodGroup = syntax.Expression;
this.methodGroupSharpnode = RoslynToSharpnode.MapExpression(syntax.Expression);
foreach (var argument in syntax.ArgumentList.Arguments)
{
this.Arguments.Add(RoslynToSharpnode.MapExpression(argument.Expression));
}
}
private void LoadFrom(InitializerExpressionSyntax syntax)
{
if (syntax == null)
{
error = new Error(Diagnostics.SSIL108_FeatureNotSupported, this.OriginalNode,
"rank-initialized arrays");
return;
}
foreach (var s in syntax.Expressions)
{
Arguments.Add(RoslynToSharpnode.MapExpression(s));
}
}
public LambdaSharpnode(SimpleLambdaExpressionSyntax syntax) : base(syntax)
{
this.parameter = new ParameterSharpnode(syntax.Parameter);
if (syntax.Body is ExpressionSyntax)
{
this.body = RoslynToSharpnode.MapExpression((ExpressionSyntax)syntax.Body);
}
else
{
this.errorneousResult = new Error(
Diagnostics.SSIL126_LambdasMustBeExpressions, syntax.Body);
}
}
private void Init(VariableDeclarationSyntax syntax)
{
var typeSyntax = syntax.Type;
foreach (var variable in syntax.Variables)
{
ExpressionSharpnode initialValue = null;
if (variable.Initializer != null)
{
initialValue = RoslynToSharpnode.MapExpression(variable.Initializer.Value);
}
SimpleLocalDeclarationSharpnode declaration =
new SimpleLocalDeclarationSharpnode(
typeSyntax,
initialValue,
variable)
;
this.Declarations.Add(declaration);
}
}
public LambdaSharpnode(ParenthesizedLambdaExpressionSyntax syntax) : base(syntax)
{
// We only allow for a single kind of lambda expressions: those that fit ForAll and Exists.
if (syntax.ParameterList.Parameters.Count != 1)
{
this.errorneousResult = new Error(
Diagnostics.SSIL125_LambdasMustHaveSingleParameter, syntax.ParameterList);
return;
}
this.parameter = new ParameterSharpnode(syntax.ParameterList.Parameters[0]);
if (syntax.Body is ExpressionSyntax)
{
this.body = RoslynToSharpnode.MapExpression((ExpressionSyntax)syntax.Body);
}
else
{
this.errorneousResult = new Error(
Diagnostics.SSIL126_LambdasMustBeExpressions, syntax.Body);
}
}
public ForStatementSharpnode(ForStatementSyntax stmt) : base(stmt)
{
this.Condition = RoslynToSharpnode.MapExpression(stmt.Condition);
this.Statement = RoslynToSharpnode.MapStatement(stmt.Statement);
// Add declarations
if (stmt.Declaration != null)
{
this.Initializers.Add(new LocalDeclarationSharpnode(stmt.Declaration));
}
// Add initializers
if (stmt.Initializers != null)
{
foreach (var initializer in stmt.Initializers)
{
Initializers.Add(new ExpressionStatementSharpnode(initializer));
}
}
foreach (var incrementor in stmt.Incrementors)
{
this.Incrementors.Add(RoslynToSharpnode.MapExpression(incrementor));
}
}
public IfStatementSharpnode(IfStatementSyntax stmt) : base(stmt)
{
this.Condition = RoslynToSharpnode.MapExpression(stmt.Condition);
this.Then = RoslynToSharpnode.MapStatement(stmt.Statement);
this.Else = stmt.Else != null?RoslynToSharpnode.MapStatement(stmt.Else.Statement) : null;
}
public GotoStatementSharpnode(GotoStatementSyntax stmt) : base(stmt)
{
this.Identifier = RoslynToSharpnode.MapExpression(stmt.Expression);
}
public IncrementExpressionSharpnode(PostfixUnaryExpressionSyntax syntax, IncrementExpressionDirection direction) : base(syntax)
{
this.direction = direction;
this.order = IncrementExpressionOrder.Post;
this.expression = RoslynToSharpnode.MapExpression(syntax.Operand);
}
public SimpleAssignmentExpressionSharpnode(AssignmentExpressionSyntax syntax) : base(syntax)
{
this.Left = RoslynToSharpnode.MapExpression(syntax.Left);
this.Right = RoslynToSharpnode.MapExpression(syntax.Right);
}
public PrefixUnaryExpressionSharpnode(PrefixUnaryExpressionSyntax syntax, string @operator) : base(syntax)
{
this.Operator = @operator;
this.Expression = RoslynToSharpnode.MapExpression(syntax.Operand);
}
public ConditionalExpressionSharpnode(ConditionalExpressionSyntax syntax) : base(syntax)
{
this.Condition = RoslynToSharpnode.MapExpression(syntax.Condition);
this.WhenTrue = RoslynToSharpnode.MapExpression(syntax.WhenTrue);
this.WhenFalse = RoslynToSharpnode.MapExpression(syntax.WhenFalse);
}
public ParenthesizedExpressionSharpnode(ParenthesizedExpressionSyntax syntax) : base(syntax)
{
this.InnerExpression = RoslynToSharpnode.MapExpression(syntax.Expression);
}
public ExpressionStatementSharpnode(ExpressionStatementSyntax originalNode) : base(originalNode)
{
this.Expression = RoslynToSharpnode.MapExpression(originalNode.Expression);
}