public void EmitManagementGroupScope(SyntaxBase managementGroupNameProperty)
{
var managementGroupName = converter.ConvertExpression(managementGroupNameProperty);
var managementGroupScope = ExpressionConverter.GetManagementGroupScopeExpression(managementGroupName);
var serialized = ExpressionSerializer.SerializeExpression(managementGroupScope);
writer.WriteValue(serialized);
}
public void EmitLanguageExpression(SyntaxBase syntax)
{
var symbol = context.SemanticModel.GetSymbolInfo(syntax);
if (symbol is VariableSymbol variableSymbol && context.VariablesToInline.Contains(variableSymbol))
{
EmitExpression(variableSymbol.Value);
return;
}
LanguageExpression converted = converter.ConvertExpression(syntax);
if (converted is JTokenExpression valueExpression && valueExpression.Value.Type == JTokenType.Integer)
{
// the converted expression is an integer literal
JToken value = valueExpression.Value;
// for integer literals the expression will look like "[42]" or "[-12]"
// while it's still a valid template expression that works in ARM, it looks weird
// and is also not recognized by the template language service in VS code
// let's serialize it as a proper integer instead
writer.WriteValue(value);
return;
}
// strings literals and other expressions must be processed with the serializer to ensure correct conversion and escaping
var serialized = ExpressionSerializer.SerializeExpression(converted);
writer.WriteValue(serialized);
}
public void EmitLanguageExpression(SyntaxBase syntax)
{
var symbol = context.SemanticModel.GetSymbolInfo(syntax);
if (symbol is VariableSymbol variableSymbol && context.VariablesToInline.Contains(variableSymbol))
{
EmitExpression(variableSymbol.Value);
return;
}
if (syntax is FunctionCallSyntax functionCall &&
symbol is FunctionSymbol functionSymbol &&
string.Equals(functionSymbol.Name, "any", LanguageConstants.IdentifierComparison))
{
// the outermost function in the current syntax node is the "any" function
// we should emit its argument directly
// otherwise, they'd get wrapped in a json() template function call in the converted expression
// we have checks for function parameter count mismatch, which should prevent an exception from being thrown
EmitExpression(functionCall.Arguments.Single().Expression);
return;
}
LanguageExpression converted = converter.ConvertExpression(syntax);
if (converted is JTokenExpression valueExpression && valueExpression.Value.Type == JTokenType.Integer)
{
// the converted expression is an integer literal
JToken value = valueExpression.Value;
// for integer literals the expression will look like "[42]" or "[-12]"
// while it's still a valid template expression that works in ARM, it looks weird
// and is also not recognized by the template language service in VS code
// let's serialize it as a proper integer instead
writer.WriteValue(value);
return;
}
// strings literals and other expressions must be processed with the serializer to ensure correct conversion and escaping
var serialized = ExpressionSerializer.SerializeExpression(converted);
writer.WriteValue(serialized);
}
public static LanguageExpression FormatCrossScopeResourceId(ExpressionConverter expressionConverter, ScopeData scopeData, string fullyQualifiedType, IEnumerable <LanguageExpression> nameSegments)
{
var arguments = new List <LanguageExpression>();
switch (scopeData.RequestedScope)
{
case ResourceScopeType.TenantScope:
arguments.Add(new JTokenExpression(fullyQualifiedType));
arguments.AddRange(nameSegments);
return(new FunctionExpression("tenantResourceId", arguments.ToArray(), new LanguageExpression[0]));
case ResourceScopeType.SubscriptionScope:
if (scopeData.SubscriptionIdProperty != null)
{
arguments.Add(expressionConverter.ConvertExpression(scopeData.SubscriptionIdProperty));
}
arguments.Add(new JTokenExpression(fullyQualifiedType));
arguments.AddRange(nameSegments);
return(new FunctionExpression("subscriptionResourceId", arguments.ToArray(), new LanguageExpression[0]));
case ResourceScopeType.ResourceGroupScope:
// We avoid using the 'resourceId' function at all here, because its behavior differs depending on the scope that it is called FROM.
LanguageExpression scope;
if (scopeData.SubscriptionIdProperty == null)
{
if (scopeData.ResourceGroupProperty == null)
{
scope = new FunctionExpression("resourceGroup", new LanguageExpression[0], new LanguageExpression[] { new JTokenExpression("id") });
}
else
{
var subscriptionId = new FunctionExpression("subscription", new LanguageExpression[0], new LanguageExpression[] { new JTokenExpression("subscriptionId") });
var resourceGroup = expressionConverter.ConvertExpression(scopeData.ResourceGroupProperty);
scope = ExpressionConverter.GenerateResourceGroupScope(subscriptionId, resourceGroup);
}
}
else
{
if (scopeData.ResourceGroupProperty == null)
{
throw new NotImplementedException($"Cannot format resourceId with non-null subscription and null resourceGroup");
}
var subscriptionId = expressionConverter.ConvertExpression(scopeData.SubscriptionIdProperty);
var resourceGroup = expressionConverter.ConvertExpression(scopeData.ResourceGroupProperty);
scope = ExpressionConverter.GenerateResourceGroupScope(subscriptionId, resourceGroup);
}
// We've got to DIY it, unfortunately. The resourceId() function behaves differently when used at different scopes, so is unsuitable here.
return(ExpressionConverter.GenerateScopedResourceId(scope, fullyQualifiedType, nameSegments));
case ResourceScopeType.ManagementGroupScope:
if (scopeData.ManagementGroupNameProperty != null)
{
var managementGroupName = expressionConverter.ConvertExpression(scopeData.ManagementGroupNameProperty);
var managementGroupScope = ExpressionConverter.GetManagementGroupScopeExpression(managementGroupName);
return(ExpressionConverter.GenerateScopedResourceId(managementGroupScope, fullyQualifiedType, nameSegments));
}
// We need to do things slightly differently for Management Groups, because there is no IL to output for "Give me a fully-qualified resource id at the current scope",
// and we don't even have a mechanism for reliably getting the current scope (e.g. something like 'deployment().scope'). There are plans to add a managementGroupResourceId function,
// but until we have it, we should generate unqualified resource Ids. There should not be a risk of collision, because we do not allow mixing of resource scopes in a single bicep file.
return(ExpressionConverter.GenerateUnqualifiedResourceId(fullyQualifiedType, nameSegments));
default:
throw new NotImplementedException($"Cannot format resourceId for scope {scopeData.RequestedScope}");
}
}