internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
if (!analysis.ForWrites)
{
base.AnalyzeReadWrite(analysis, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeDirectionExpression expression2 = (CodeDirectionExpression)expression;
CodeExpression expression3 = expression2.Expression;
bool flag = false;
bool flag2 = true;
RulePathQualifier qualifier2 = null;
switch (expression2.Direction)
{
case FieldDirection.In:
flag = false;
flag2 = true;
qualifier2 = new RulePathQualifier("*", null);
break;
case FieldDirection.Out:
flag = true;
flag2 = false;
qualifier2 = null;
break;
case FieldDirection.Ref:
flag = true;
flag2 = true;
qualifier2 = analysis.ForWrites ? null : new RulePathQualifier("*", null);
break;
}
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, flag2, flag, qualifier2);
}
private void AnalyzeInvokeAttribute(RuleAnalysis analysis, Type contextType, Stack<MemberInfo> methodStack, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
foreach (MemberInfo info in contextType.GetMember(this.methodInvoked, MemberTypes.Property | MemberTypes.Method, BindingFlags.FlattenHierarchy | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance))
{
if (!methodStack.Contains(info))
{
methodStack.Push(info);
object[] customAttributes = info.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length != 0))
{
foreach (RuleAttribute attribute in (RuleAttribute[]) customAttributes)
{
RuleReadWriteAttribute attribute2 = attribute as RuleReadWriteAttribute;
if (attribute2 != null)
{
attribute2.Analyze(analysis, info, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
else
{
((RuleInvokeAttribute) attribute).AnalyzeInvokeAttribute(analysis, contextType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
}
methodStack.Pop();
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeDirectionExpression expression2 = (CodeDirectionExpression) expression;
CodeExpression expression3 = expression2.Expression;
bool flag = false;
bool flag2 = true;
RulePathQualifier qualifier2 = null;
switch (expression2.Direction)
{
case FieldDirection.In:
flag = false;
flag2 = true;
qualifier2 = new RulePathQualifier("*", null);
break;
case FieldDirection.Out:
flag = true;
flag2 = false;
qualifier2 = null;
break;
case FieldDirection.Ref:
flag = true;
flag2 = true;
qualifier2 = analysis.ForWrites ? null : new RulePathQualifier("*", null);
break;
}
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, flag2, flag, qualifier2);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodePropertyReferenceExpression expression2 = (CodePropertyReferenceExpression)expression;
CodeExpression targetObject = expression2.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RulePropertyExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
PropertyInfo propertyInfo = info2.PropertyInfo;
List <CodeExpression> attributedExprs = new List <CodeExpression>();
analysis.AnalyzeRuleAttributes(propertyInfo, targetObject, qualifier, null, null, attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, new RulePathQualifier(propertyInfo.Name, qualifier));
}
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
if (analysis.ForWrites)
{
base.AnalyzeReadWrite(analysis, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeFieldReferenceExpression expression2 = (CodeFieldReferenceExpression)expression;
CodeExpression targetObject = expression2.TargetObject;
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, new RulePathQualifier(expression2.FieldName, qualifier));
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodePropertyReferenceExpression expression2 = (CodePropertyReferenceExpression) expression;
CodeExpression targetObject = expression2.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RulePropertyExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
PropertyInfo propertyInfo = info2.PropertyInfo;
List<CodeExpression> attributedExprs = new List<CodeExpression>();
analysis.AnalyzeRuleAttributes(propertyInfo, targetObject, qualifier, null, null, attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, new RulePathQualifier(propertyInfo.Name, qualifier));
}
}
private void AnalyzeInvokeAttribute(RuleAnalysis analysis, Type contextType, Stack <MemberInfo> methodStack, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
foreach (MemberInfo info in contextType.GetMember(this.methodInvoked, MemberTypes.Property | MemberTypes.Method, BindingFlags.FlattenHierarchy | BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance))
{
if (!methodStack.Contains(info))
{
methodStack.Push(info);
object[] customAttributes = info.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length != 0))
{
foreach (RuleAttribute attribute in (RuleAttribute[])customAttributes)
{
RuleReadWriteAttribute attribute2 = attribute as RuleReadWriteAttribute;
if (attribute2 != null)
{
attribute2.Analyze(analysis, info, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
else
{
((RuleInvokeAttribute)attribute).AnalyzeInvokeAttribute(analysis, contextType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
}
methodStack.Pop();
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeIndexerExpression expression2 = (CodeIndexerExpression) expression;
CodeExpression targetObject = expression2.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RulePropertyExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
PropertyInfo propertyInfo = info2.PropertyInfo;
List<CodeExpression> attributedExprs = new List<CodeExpression>();
analysis.AnalyzeRuleAttributes(propertyInfo, targetObject, qualifier, expression2.Indices, propertyInfo.GetIndexParameters(), attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, qualifier);
}
for (int i = 0; i < expression2.Indices.Count; i++)
{
CodeExpression item = expression2.Indices[i];
if (!attributedExprs.Contains(item))
{
RuleExpressionWalker.AnalyzeUsage(analysis, item, true, false, null);
}
}
}
internal override void AnalyzeUsage(RuleAnalysis analysis)
{
// The left side of the assignment is modified.
RuleExpressionWalker.AnalyzeUsage(analysis, assignStatement.Left, false, true, null);
// The right side of the assignment is read.
RuleExpressionWalker.AnalyzeUsage(analysis, assignStatement.Right, true, false, null);
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
Stack<MemberInfo> methodStack = new Stack<MemberInfo>();
methodStack.Push(member);
this.AnalyzeInvokeAttribute(analysis, member.DeclaringType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
methodStack.Pop();
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if (analysis.ForWrites && !isWritten) // If we're tracking writes, then ignore things that aren't written.
return;
else if (!analysis.ForWrites && !isRead) // ... and vice-versa
return;
StringBuilder sb = new StringBuilder("this/");
for (RulePathQualifier q = qualifier; q != null; q = q.Next)
{
sb.Append(q.Name);
if (q.Name == "*")
{
if (q.Next != null)
throw new NotSupportedException(Messages.InvalidWildCardInPathQualifier);
}
else
{
sb.Append("/");
}
}
// Add the symbol to our set.
analysis.AddSymbol(sb.ToString());
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeObjectCreateExpression expression2 = (CodeObjectCreateExpression) expression;
foreach (CodeExpression expression3 in expression2.Parameters)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, true, false, null);
}
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
Stack <MemberInfo> methodStack = new Stack <MemberInfo>();
methodStack.Push(member);
this.AnalyzeInvokeAttribute(analysis, member.DeclaringType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
methodStack.Pop();
}
public static void AnalyzeUsage(RuleAnalysis analysis, CodeExpression expression, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if (analysis == null)
{
throw new ArgumentNullException("analysis");
}
GetExpression(expression).AnalyzeUsage(expression, analysis, isRead, isWritten, qualifier);
}
public static void AnalyzeUsage(RuleAnalysis analysis, CodeExpression expression, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if (analysis == null)
{
throw new ArgumentNullException("analysis");
}
GetExpression(expression).AnalyzeUsage(expression, analysis, isRead, isWritten, qualifier);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeArrayIndexerExpression expression2 = (CodeArrayIndexerExpression) expression;
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.TargetObject, isRead, isWritten, qualifier);
for (int i = 0; i < expression2.Indices.Count; i++)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Indices[i], true, false, null);
}
}
public override ICollection<string> GetSideEffects(RuleValidation validation)
{
RuleAnalysis analysis = new RuleAnalysis(validation, true);
if (this.codeDomStatement != null)
{
CodeDomStatementWalker.AnalyzeUsage(analysis, this.codeDomStatement);
}
return analysis.GetSymbols();
}
public override ICollection<string> GetDependencies(RuleValidation validation)
{
RuleAnalysis analysis = new RuleAnalysis(validation, false);
if (this._expression != null)
{
RuleExpressionWalker.AnalyzeUsage(analysis, this._expression, true, false, null);
}
return analysis.GetSymbols();
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeObjectCreateExpression expression2 = (CodeObjectCreateExpression)expression;
foreach (CodeExpression expression3 in expression2.Parameters)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, true, false, null);
}
}
public override ICollection <string> GetDependencies(RuleValidation validation)
{
RuleAnalysis analysis = new RuleAnalysis(validation, false);
if (this._expression != null)
{
RuleExpressionWalker.AnalyzeUsage(analysis, this._expression, true, false, null);
}
return(analysis.GetSymbols());
}
public override ICollection <string> GetSideEffects(RuleValidation validation)
{
RuleAnalysis analysis = new RuleAnalysis(validation, true);
if (codeDomStatement != null)
{
CodeDomStatementWalker.AnalyzeUsage(analysis, codeDomStatement);
}
return(analysis.GetSymbols());
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeArrayIndexerExpression expression2 = (CodeArrayIndexerExpression)expression;
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.TargetObject, isRead, isWritten, qualifier);
for (int i = 0; i < expression2.Indices.Count; i++)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Indices[i], true, false, null);
}
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
// A RuleWrite attribute is only applicable if we're analyzing for writes.
if (!analysis.ForWrites)
{
return;
}
base.AnalyzeReadWrite(analysis, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeArrayCreateExpression expression2 = (CodeArrayCreateExpression) expression;
if (expression2.SizeExpression != null)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.SizeExpression, true, false, null);
}
foreach (CodeExpression expression3 in expression2.Initializers)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, true, false, null);
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeArrayCreateExpression expression2 = (CodeArrayCreateExpression)expression;
if (expression2.SizeExpression != null)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.SizeExpression, true, false, null);
}
foreach (CodeExpression expression3 in expression2.Initializers)
{
RuleExpressionWalker.AnalyzeUsage(analysis, expression3, true, false, null);
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeBinaryOperatorExpression expression2 = (CodeBinaryOperatorExpression) expression;
RuleBinaryExpressionInfo info = analysis.Validation.ExpressionInfo(expression2) as RuleBinaryExpressionInfo;
if (info != null)
{
MethodInfo methodInfo = info.MethodInfo;
if (methodInfo != null)
{
List<CodeExpression> attributedExprs = new List<CodeExpression>();
CodeExpressionCollection argExprs = new CodeExpressionCollection();
argExprs.Add(expression2.Left);
argExprs.Add(expression2.Right);
CodeExpression targetExpr = new CodeTypeReferenceExpression(methodInfo.DeclaringType);
analysis.AnalyzeRuleAttributes(methodInfo, targetExpr, qualifier, argExprs, methodInfo.GetParameters(), attributedExprs);
}
}
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Left, true, false, null);
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Right, true, false, null);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeBinaryOperatorExpression expression2 = (CodeBinaryOperatorExpression)expression;
RuleBinaryExpressionInfo info = analysis.Validation.ExpressionInfo(expression2) as RuleBinaryExpressionInfo;
if (info != null)
{
MethodInfo methodInfo = info.MethodInfo;
if (methodInfo != null)
{
List <CodeExpression> attributedExprs = new List <CodeExpression>();
CodeExpressionCollection argExprs = new CodeExpressionCollection();
argExprs.Add(expression2.Left);
argExprs.Add(expression2.Right);
CodeExpression targetExpr = new CodeTypeReferenceExpression(methodInfo.DeclaringType);
analysis.AnalyzeRuleAttributes(methodInfo, targetExpr, qualifier, argExprs, methodInfo.GetParameters(), attributedExprs);
}
}
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Left, true, false, null);
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Right, true, false, null);
}
private void AnalyzeInvokeAttribute(RuleAnalysis analysis, Type contextType, Stack <MemberInfo> methodStack, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
// Go through all the methods and properties on the target context,
// looking for all the ones that match the name on the attribute.
MemberInfo[] members = contextType.GetMember(methodInvoked, MemberTypes.Method | MemberTypes.Property, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
for (int m = 0; m < members.Length; ++m)
{
MemberInfo mi = members[m];
if (!methodStack.Contains(mi)) // Prevent recursion
{
methodStack.Push(mi);
object[] attrs = mi.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length != 0)
{
RuleAttribute[] ruleAttrs = (RuleAttribute[])attrs;
for (int i = 0; i < ruleAttrs.Length; ++i)
{
RuleAttribute ruleAttr = ruleAttrs[i];
RuleReadWriteAttribute readWriteAttr = ruleAttr as RuleReadWriteAttribute;
if (readWriteAttr != null)
{
// Just analyze the read/write attribute normally.
readWriteAttr.Analyze(analysis, mi, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
else
{
RuleInvokeAttribute invokeAttr = (RuleInvokeAttribute)ruleAttr;
invokeAttr.AnalyzeInvokeAttribute(analysis, contextType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
}
methodStack.Pop();
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if ((!analysis.ForWrites || isWritten) && (analysis.ForWrites || isRead))
{
StringBuilder builder = new StringBuilder("this/");
for (RulePathQualifier qualifier2 = qualifier; qualifier2 != null; qualifier2 = qualifier2.Next)
{
builder.Append(qualifier2.Name);
if (qualifier2.Name == "*")
{
if (qualifier2.Next != null)
{
throw new NotSupportedException(Messages.InvalidWildCardInPathQualifier);
}
}
else
{
builder.Append("/");
}
}
analysis.AddSymbol(builder.ToString());
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
if ((!analysis.ForWrites || isWritten) && (analysis.ForWrites || isRead))
{
StringBuilder builder = new StringBuilder("this/");
for (RulePathQualifier qualifier2 = qualifier; qualifier2 != null; qualifier2 = qualifier2.Next)
{
builder.Append(qualifier2.Name);
if (qualifier2.Name == "*")
{
if (qualifier2.Next != null)
{
throw new NotSupportedException(Messages.InvalidWildCardInPathQualifier);
}
}
else
{
builder.Append("/");
}
}
analysis.AddSymbol(builder.ToString());
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeMethodInvokeExpression expression2 = (CodeMethodInvokeExpression)expression;
CodeExpression targetObject = expression2.Method.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RuleMethodInvokeExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RuleMethodInvokeExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
MethodInfo methodInfo = info2.MethodInfo;
List <CodeExpression> attributedExprs = new List <CodeExpression>();
analysis.AnalyzeRuleAttributes(methodInfo, targetObject, qualifier, expression2.Parameters, methodInfo.GetParameters(), attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, true, false, null);
}
for (int i = 0; i < expression2.Parameters.Count; i++)
{
CodeExpression item = expression2.Parameters[i];
if (!attributedExprs.Contains(item))
{
RuleExpressionWalker.AnalyzeUsage(analysis, item, true, false, null);
}
}
}
internal void AnalyzeReadWrite(RuleAnalysis analysis, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
if (string.IsNullOrEmpty(this.attributePath))
{
if (this.attributeTarget == RuleAttributeTarget.This)
{
attributedExpressions.Add(targetExpression);
}
else if (this.attributeTarget == RuleAttributeTarget.Parameter)
{
for (int i = 0; i < argumentExpressions.Count; i++)
{
attributedExpressions.Add(argumentExpressions[i]);
}
}
}
else
{
string attributePath = this.attributePath;
bool isRead = !analysis.ForWrites;
bool forWrites = analysis.ForWrites;
if (this.attributeTarget == RuleAttributeTarget.This)
{
string str2 = "this/";
if (attributePath.StartsWith(str2, StringComparison.Ordinal))
{
attributePath = attributePath.Substring(str2.Length);
}
RuleExpressionWalker.AnalyzeUsage(analysis, targetExpression, isRead, forWrites, new RulePathQualifier(attributePath, targetQualifier));
attributedExpressions.Add(targetExpression);
}
else if (this.attributeTarget == RuleAttributeTarget.Parameter)
{
string paramName = null;
int index = attributePath.IndexOf('/');
if (index >= 0)
{
paramName = attributePath.Substring(0, index);
attributePath = attributePath.Substring(index + 1);
}
else
{
paramName = attributePath;
attributePath = null;
}
ParameterInfo info = Array.Find<ParameterInfo>(parameters, p => p.Name == paramName);
if (info != null)
{
RulePathQualifier qualifier = string.IsNullOrEmpty(attributePath) ? null : new RulePathQualifier(attributePath, null);
int count = info.Position + 1;
if (info.Position == (parameters.Length - 1))
{
count = argumentExpressions.Count;
}
for (int j = info.Position; j < count; j++)
{
CodeExpression expression = argumentExpressions[j];
RuleExpressionWalker.AnalyzeUsage(analysis, expression, isRead, forWrites, qualifier);
attributedExpressions.Add(expression);
}
}
}
}
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
this.ruleExpr.AnalyzeUsage(analysis, isRead, isWritten, qualifier);
}
internal override void AnalyzeUsage(RuleAnalysis analysis)
{
RuleExpressionWalker.AnalyzeUsage(analysis, exprStatement.Expression, false, false, null);
}
internal override void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
// A RuleWrite attribute is only applicable if we're analyzing for writes.
if (!analysis.ForWrites)
return;
base.AnalyzeReadWrite(analysis, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeCastExpression expression2 = (CodeCastExpression)expression;
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Expression, true, false, null);
}
internal abstract void AnalyzeUsage(RuleAnalysis analysis);
internal void AnalyzeReadWrite(RuleAnalysis analysis, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
if (string.IsNullOrEmpty(this.attributePath))
{
if (this.attributeTarget == RuleAttributeTarget.This)
{
attributedExpressions.Add(targetExpression);
}
else if (this.attributeTarget == RuleAttributeTarget.Parameter)
{
for (int i = 0; i < argumentExpressions.Count; i++)
{
attributedExpressions.Add(argumentExpressions[i]);
}
}
}
else
{
string attributePath = this.attributePath;
bool isRead = !analysis.ForWrites;
bool forWrites = analysis.ForWrites;
if (this.attributeTarget == RuleAttributeTarget.This)
{
string str2 = "this/";
if (attributePath.StartsWith(str2, StringComparison.Ordinal))
{
attributePath = attributePath.Substring(str2.Length);
}
RuleExpressionWalker.AnalyzeUsage(analysis, targetExpression, isRead, forWrites, new RulePathQualifier(attributePath, targetQualifier));
attributedExpressions.Add(targetExpression);
}
else if (this.attributeTarget == RuleAttributeTarget.Parameter)
{
string paramName = null;
int index = attributePath.IndexOf('/');
if (index >= 0)
{
paramName = attributePath.Substring(0, index);
attributePath = attributePath.Substring(index + 1);
}
else
{
paramName = attributePath;
attributePath = null;
}
ParameterInfo info = Array.Find <ParameterInfo>(parameters, p => p.Name == paramName);
if (info != null)
{
RulePathQualifier qualifier = string.IsNullOrEmpty(attributePath) ? null : new RulePathQualifier(attributePath, null);
int count = info.Position + 1;
if (info.Position == (parameters.Length - 1))
{
count = argumentExpressions.Count;
}
for (int j = info.Position; j < count; j++)
{
CodeExpression expression = argumentExpressions[j];
RuleExpressionWalker.AnalyzeUsage(analysis, expression, isRead, forWrites, qualifier);
attributedExpressions.Add(expression);
}
}
}
}
}
internal abstract void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier);
internal abstract void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions);
private void AnalyzeInvokeAttribute(RuleAnalysis analysis, Type contextType, Stack<MemberInfo> methodStack, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
// Go through all the methods and properties on the target context,
// looking for all the ones that match the name on the attribute.
MemberInfo[] members = contextType.GetMember(methodInvoked, MemberTypes.Method | MemberTypes.Property, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
for (int m = 0; m < members.Length; ++m)
{
MemberInfo mi = members[m];
if (!methodStack.Contains(mi)) // Prevent recursion
{
methodStack.Push(mi);
object[] attrs = mi.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length != 0)
{
RuleAttribute[] ruleAttrs = (RuleAttribute[])attrs;
for (int i = 0; i < ruleAttrs.Length; ++i)
{
RuleAttribute ruleAttr = ruleAttrs[i];
RuleReadWriteAttribute readWriteAttr = ruleAttr as RuleReadWriteAttribute;
if (readWriteAttr != null)
{
// Just analyze the read/write attribute normally.
readWriteAttr.Analyze(analysis, mi, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
else
{
RuleInvokeAttribute invokeAttr = (RuleInvokeAttribute)ruleAttr;
invokeAttr.AnalyzeInvokeAttribute(analysis, contextType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
}
methodStack.Pop();
}
}
}
internal void AnalyzeReadWrite(RuleAnalysis analysis, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
if (string.IsNullOrEmpty(attributePath))
{
// If the suffix is null or empty, this means the RuleAttributeTarget has no dependencies.
if (attributeTarget == RuleAttributeTarget.This)
{
// The target object has no dependencies.
attributedExpressions.Add(targetExpression);
}
else if (attributeTarget == RuleAttributeTarget.Parameter)
{
// ALL arguments have no dependencies.
for (int i = 0; i < argumentExpressions.Count; ++i)
{
attributedExpressions.Add(argumentExpressions[i]);
}
}
}
else
{
string suffix = attributePath;
bool isRead = !analysis.ForWrites;
bool isWrite = analysis.ForWrites;
if (attributeTarget == RuleAttributeTarget.This)
{
// Target is "This", so perform the analysis on the target expression.
// Remove the optional "this/" token if present.
string optionalPrefix = "this/";
if (suffix.StartsWith(optionalPrefix, StringComparison.Ordinal))
{
suffix = suffix.Substring(optionalPrefix.Length);
}
RuleExpressionWalker.AnalyzeUsage(analysis, targetExpression, isRead, isWrite, new RulePathQualifier(suffix, targetQualifier));
attributedExpressions.Add(targetExpression);
}
else if (attributeTarget == RuleAttributeTarget.Parameter)
{
string paramName = null;
int firstSlash = suffix.IndexOf('/');
if (firstSlash >= 0)
{
paramName = suffix.Substring(0, firstSlash);
suffix = suffix.Substring(firstSlash + 1);
}
else
{
paramName = suffix;
suffix = null;
}
// Find the ParameterInfo that corresponds to this attribute path.
ParameterInfo param = Array.Find <ParameterInfo>(parameters,
delegate(ParameterInfo p) { return(p.Name == paramName); });
if (param != null)
{
RulePathQualifier qualifier = string.IsNullOrEmpty(suffix) ? null : new RulePathQualifier(suffix, null);
// 99.9% of the time, the parameter usage attribute only applies to one argument. However,
// if this attribute corresponds to the last parameter, then just assume that all the trailing
// arguments correspond. (In other words, if the caller passed more arguments then there
// are parameters, we assume it was a params array.)
//
// Usually this loop will only execute once.
int end = param.Position + 1;
if (param.Position == parameters.Length - 1)
{
end = argumentExpressions.Count;
}
for (int i = param.Position; i < end; ++i)
{
CodeExpression argExpr = argumentExpressions[i];
RuleExpressionWalker.AnalyzeUsage(analysis, argExpr, isRead, isWrite, qualifier);
attributedExpressions.Add(argExpr);
}
}
}
}
}
internal static void AnalyzeUsage(RuleAnalysis analysis, CodeStatement statement)
{
RuleCodeDomStatement ruleStmt = GetStatement(statement);
ruleStmt.AnalyzeUsage(analysis);
}
internal abstract void Analyze(RuleAnalysis analysis, MemberInfo member, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions);
internal static void AnalyzeUsage(RuleAnalysis analysis, CodeStatement statement)
{
GetStatement(statement).AnalyzeUsage(analysis);
}
internal static void AnalyzeUsage(RuleAnalysis analysis, CodeStatement statement)
{
GetStatement(statement).AnalyzeUsage(analysis);
}
internal static void AnalyzeUsage(RuleAnalysis analysis, CodeStatement statement)
{
RuleCodeDomStatement ruleStmt = GetStatement(statement);
ruleStmt.AnalyzeUsage(analysis);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeCastExpression expression2 = (CodeCastExpression) expression;
RuleExpressionWalker.AnalyzeUsage(analysis, expression2.Expression, true, false, null);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
this.ruleExpr.AnalyzeUsage(analysis, isRead, isWritten, qualifier);
}
internal abstract void AnalyzeUsage(RuleAnalysis analysis);
internal override void AnalyzeUsage(RuleAnalysis analysis)
{
RuleExpressionWalker.AnalyzeUsage(analysis, this.assignStatement.Left, false, true, null);
RuleExpressionWalker.AnalyzeUsage(analysis, this.assignStatement.Right, true, false, null);
}
internal void AnalyzeReadWrite(RuleAnalysis analysis, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List<CodeExpression> attributedExpressions)
{
if (string.IsNullOrEmpty(attributePath))
{
// If the suffix is null or empty, this means the RuleAttributeTarget has no dependencies.
if (attributeTarget == RuleAttributeTarget.This)
{
// The target object has no dependencies.
attributedExpressions.Add(targetExpression);
}
else if (attributeTarget == RuleAttributeTarget.Parameter)
{
// ALL arguments have no dependencies.
for (int i = 0; i < argumentExpressions.Count; ++i)
attributedExpressions.Add(argumentExpressions[i]);
}
}
else
{
string suffix = attributePath;
bool isRead = !analysis.ForWrites;
bool isWrite = analysis.ForWrites;
if (attributeTarget == RuleAttributeTarget.This)
{
// Target is "This", so perform the analysis on the target expression.
// Remove the optional "this/" token if present.
string optionalPrefix = "this/";
if (suffix.StartsWith(optionalPrefix, StringComparison.Ordinal))
suffix = suffix.Substring(optionalPrefix.Length);
RuleExpressionWalker.AnalyzeUsage(analysis, targetExpression, isRead, isWrite, new RulePathQualifier(suffix, targetQualifier));
attributedExpressions.Add(targetExpression);
}
else if (attributeTarget == RuleAttributeTarget.Parameter)
{
string paramName = null;
int firstSlash = suffix.IndexOf('/');
if (firstSlash >= 0)
{
paramName = suffix.Substring(0, firstSlash);
suffix = suffix.Substring(firstSlash + 1);
}
else
{
paramName = suffix;
suffix = null;
}
// Find the ParameterInfo that corresponds to this attribute path.
ParameterInfo param = Array.Find<ParameterInfo>(parameters,
delegate(ParameterInfo p) { return p.Name == paramName; });
if (param != null)
{
RulePathQualifier qualifier = string.IsNullOrEmpty(suffix) ? null : new RulePathQualifier(suffix, null);
// 99.9% of the time, the parameter usage attribute only applies to one argument. However,
// if this attribute corresponds to the last parameter, then just assume that all the trailing
// arguments correspond. (In other words, if the caller passed more arguments then there
// are parameters, we assume it was a params array.)
//
// Usually this loop will only execute once.
int end = param.Position + 1;
if (param.Position == parameters.Length - 1)
end = argumentExpressions.Count;
for (int i = param.Position; i < end; ++i)
{
CodeExpression argExpr = argumentExpressions[i];
RuleExpressionWalker.AnalyzeUsage(analysis, argExpr, isRead, isWrite, qualifier);
attributedExpressions.Add(argExpr);
}
}
}
}
}
internal override void AnalyzeUsage(RuleAnalysis analysis)
{
// The left side of the assignment is modified.
RuleExpressionWalker.AnalyzeUsage(analysis, assignStatement.Left, false, true, null);
// The right side of the assignment is read.
RuleExpressionWalker.AnalyzeUsage(analysis, assignStatement.Right, true, false, null);
}
internal override void AnalyzeUsage(RuleAnalysis analysis)
{
RuleExpressionWalker.AnalyzeUsage(analysis, exprStatement.Expression, false, false, null);
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeFieldReferenceExpression expression2 = (CodeFieldReferenceExpression) expression;
CodeExpression targetObject = expression2.TargetObject;
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, new RulePathQualifier(expression2.FieldName, qualifier));
}
// Parse:
// statement --> assign-statement
// --> update-statement
// --> HALT
//
// update-statement --> UPDATE ( "path" )
// --> UPDATE ( postfix-expr )
private RuleAction ParseStatement(ParserContext parserContext)
{
RuleAction action = null;
Token statementToken = parserContext.CurrentToken;
if (statementToken.TokenID == TokenID.Halt)
{
parserContext.NextToken(); // eat the "halt"
action = new RuleHaltAction();
parserContext.exprPositions[action] = statementToken.StartPosition;
ValidateAction(parserContext, action);
}
else if (statementToken.TokenID == TokenID.Update)
{
string message;
parserContext.NextToken(); // eat the "update"
if (parserContext.CurrentToken.TokenID != TokenID.LParen)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.Parser_MissingLparenAfterCommand, "UPDATE");
throw new RuleSyntaxException(ErrorNumbers.Error_MissingLparenAfterCommand, message, parserContext.CurrentToken.StartPosition);
}
parserContext.NextToken(); // Eat the "("
string pathString = null;
Token updateArgToken = parserContext.CurrentToken;
if (updateArgToken.TokenID == TokenID.StringLiteral)
{
// Treat UPDATE("foo/bar") as a literal path.
pathString = (string)updateArgToken.Value;
parserContext.NextToken(); // Eat the path string.
}
else
{
CodeExpression pathExpr = ParsePostfixExpression(parserContext, true, ValueCheck.Read);
RuleAnalysis analysis = new RuleAnalysis(validation, true);
RuleExpressionWalker.AnalyzeUsage(analysis, pathExpr, false, true, null);
ICollection<string> paths = analysis.GetSymbols();
if (paths.Count == 0 || paths.Count > 1)
{
// The expression did not modify anything, or it modified more than one.
throw new RuleSyntaxException(ErrorNumbers.Error_InvalidUpdateExpression, Messages.Parser_InvalidUpdateExpression, updateArgToken.StartPosition);
}
else
{
IEnumerator<string> enumerator = paths.GetEnumerator();
enumerator.MoveNext();
pathString = enumerator.Current;
}
}
if (parserContext.CurrentToken.TokenID != TokenID.RParen)
throw new RuleSyntaxException(ErrorNumbers.Error_MissingRParenAfterArgumentList, Messages.Parser_MissingRParenAfterArgumentList, parserContext.CurrentToken.StartPosition);
parserContext.NextToken(); // Eat the ")"
action = new RuleUpdateAction((string)pathString);
parserContext.exprPositions[action] = statementToken.StartPosition;
ValidateAction(parserContext, action);
}
else
{
// Try to parse a custom RuleAction.
int savedTokenState = parserContext.SaveCurrentToken();
Type type = TryParseTypeSpecifier(parserContext, false);
if (type != null &&
parserContext.CurrentToken.TokenID == TokenID.LParen &&
TypeProvider.IsAssignable(typeof(RuleAction), type))
{
// The statement started with a "type (", and the type derived from RuleAction.
// This is a custom rule action.
int lparenPosition = parserContext.CurrentToken.StartPosition;
parserContext.NextToken(); // Eat the '('
List<CodeExpression> arguments = ParseArgumentList(parserContext);
action = (RuleAction)ConstructCustomType(type, arguments, lparenPosition);
parserContext.exprPositions[action] = statementToken.StartPosition;
ValidateAction(parserContext, action);
}
else
{
// It wasn't a custom action.
// In some cases it may have looked like one up to a point, such as:
//
// MyType.MyMember(
//
// but "MyMember" is a static method.
// Reset the scanner state, and re-parse as an assignment.
parserContext.RestoreCurrentToken(savedTokenState);
CodeStatement statement = ParseAssignmentStatement(parserContext);
if (statement != null)
{
// Create a rule statement action around it. No need to validate it, as
// the underlying CodeDom statement has been validated already.
action = new RuleStatementAction(statement);
}
}
}
return action;
}
