public override void VisitVariableDeclarationStatement(VariableDeclarationStatement varDecl)
{
base.VisitVariableDeclarationStatement(varDecl);
if (varDecl.Modifiers.HasFlag(Modifiers.Const) || varDecl.Role == ForStatement.InitializerRole)
{
return;
}
if (varDecl.Variables.Count() > 1)
{
return;
}
if (varDecl.Variables.Any(v => !(ctx.Resolve(v.Initializer) is ConstantResolveResult)))
{
return;
}
var containingBlock = varDecl.GetParent <BlockStatement> ();
if (containingBlock == null)
{
return;
}
var returnTypeRR = ctx.Resolve(varDecl.Type);
if (returnTypeRR.Type.IsReferenceType.HasValue && returnTypeRR.Type.IsReferenceType.Value)
{
return;
}
var vr = ctx.Resolve(varDecl.Variables.First()) as LocalResolveResult;
if (vr == null)
{
return;
}
var assignmentAnalysis = new VariableUsageAnalyzation(ctx);
containingBlock.AcceptVisitor(assignmentAnalysis);
if (assignmentAnalysis.GetStatus(vr.Variable) == VariableState.Changed)
{
return;
}
AddIssue(
varDecl.Variables.First().NameToken,
ctx.TranslateString("Convert to constant"),
ctx.TranslateString("To const"),
script => {
var constVarDecl = (VariableDeclarationStatement)varDecl.Clone();
constVarDecl.Modifiers |= Modifiers.Const;
script.Replace(varDecl, constVarDecl);
}
);
}
public override void VisitVariableDeclarationStatement(VariableDeclarationStatement varDecl)
{
base.VisitVariableDeclarationStatement(varDecl);
if (varDecl.Modifiers.HasFlag(Modifiers.Const) || varDecl.Role == ForStatement.InitializerRole)
{
return;
}
if (varDecl.Variables.Count() > 1)
{
return;
}
if (varDecl.Variables.Any(v => !ctx.Resolve(v.Initializer).IsCompileTimeConstant))
{
return;
}
var containingBlock = varDecl.GetParent <BlockStatement> ();
if (containingBlock == null)
{
return;
}
var returnTypeRR = ctx.Resolve(varDecl.Type);
if (!IsValidConstType(returnTypeRR.Type))
{
return;
}
var variable = varDecl.Variables.First();
var vr = ctx.Resolve(variable) as LocalResolveResult;
if (vr == null)
{
return;
}
if (ctx.Resolve(variable.Initializer).ConstantValue == null)
{
return;
}
var assignmentAnalysis = new VariableUsageAnalyzation(ctx);
containingBlock.AcceptVisitor(assignmentAnalysis);
if (assignmentAnalysis.GetStatus(vr.Variable) == VariableState.Changed)
{
return;
}
AddIssue(new CodeIssue(
variable.NameToken,
ctx.TranslateString("Convert to constant"),
ctx.TranslateString("To const"),
script => {
var constVarDecl = (VariableDeclarationStatement)varDecl.Clone();
constVarDecl.Modifiers |= Modifiers.Const;
if (varDecl.Type.IsVar())
{
var builder = ctx.CreateTypeSystemAstBuilder(varDecl);
constVarDecl.Type = builder.ConvertType(ctx.Resolve(varDecl.Type).Type);
}
script.Replace(varDecl, constVarDecl);
}
));
}
