Structure
ATLHelperCallExpression
Represents helper function invocation expressions in ATL.
struct ATLHelperCallExpressionOverview
Helper call expressions enable invocation of custom functions defined within ATL modules, providing extensibility beyond the standard OCL library. They support both contextual and context-free helper invocation with parameter passing.
Example Usage
// Call context-free helper
let utilityCall = ATLHelperCallExpression(
helperName: "formatName",
arguments: [firstNameExpr, lastNameExpr]
)
// Call contextual helper (context provided by execution environment)
let contextualCall = ATLHelperCallExpression(
helperName: "familyName",
arguments: []
)Topics
Operators
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Initializers
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init(helperName:arguments:)
Creates a new helper call expression.
Instance Properties
V
arguments
The argument expressions to pass to the helper function.
V
helperName
The name of the helper function to invoke.
Instance Methods
F
evaluate(in:)
Evaluates the expression within the specified execution context.