Allow creation of debugInitCall without trivia

Author: ahoppen

Sources/_SwiftSyntaxTestSupport/SyntaxProtocol+Initializer.swift

@@ -99,19 +99,20 @@ extension SyntaxProtocol {
   /// Returns a Swift expression that, when parsed, constructs this syntax node
   /// (or at least an expression that's very close to constructing this node, the addition of a few manual upcast by hand is still needed).
   /// The intended use case for this is to print a syntax tree and create a substructure assertion from the generated expression.
-  public var debugInitCall: String {
-    return self.debugInitCallExpr.formatted(using: InitializerExprFormat()).description
+  /// When `includeTrivia` is set to `false`, the token's leading and trailing trivia will not be included in the generated expression.
+  public func debugInitCall(includeTrivia: Bool = false) -> String {
+    return self.debugInitCallExpr(includeTrivia: includeTrivia).formatted(using: InitializerExprFormat()).description
   }
 
-  private var debugInitCallExpr: ExprSyntaxProtocol {
+  private func debugInitCallExpr(includeTrivia: Bool) -> ExprSyntaxProtocol {
     let mirror = Mirror(reflecting: self)
     if self.isCollection {
       return FunctionCallExpr(callee: "\(type(of: self))") {
         TupleExprElement(
           expression: ArrayExpr() {
             for child in mirror.children {
               let value = child.value as! SyntaxProtocol?
-              ArrayElement(expression: value?.debugInitCallExpr ?? NilLiteralExpr())
+              ArrayElement(expression: value?.debugInitCallExpr(includeTrivia: includeTrivia) ?? NilLiteralExpr())
             }
           }
         )
@@ -137,14 +138,14 @@ extension SyntaxProtocol {
             expression: StringLiteralExpr(content: token.text)
           )
         }
-        if !token.leadingTrivia.isEmpty {
+        if includeTrivia, !token.leadingTrivia.isEmpty {
           TupleExprElement(
             label: .identifier("leadingTrivia"),
             colon: .colon,
             expression: token.leadingTrivia.initializerExpr
           )
         }
-        if !token.trailingTrivia.isEmpty {
+        if includeTrivia, !token.trailingTrivia.isEmpty {
           TupleExprElement(
             label: .identifier("trailingTrivia"),
             colon: .colon,
@@ -169,7 +170,7 @@ extension SyntaxProtocol {
             TupleExprElement(
               label: isUnexpected ? nil : .identifier(label),
               colon: isUnexpected ? nil : .colon,
-              expression: value?.debugInitCallExpr ?? NilLiteralExpr()
+              expression: value?.debugInitCallExpr(includeTrivia: includeTrivia) ?? NilLiteralExpr()
             )
           }
         }