Merge pull request #330 from kimdv/kimdv/add-convenience-initializers-function-call-expr

Add convenience initializers function call expr

Author: ahoppen

Sources/SwiftSyntaxBuilder/FunctionCallExprConvenienceInitializers.swift

@@ -0,0 +1,34 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+
+import Foundation
+
+extension FunctionCallExpr {
+  public init(
+    _ calledExpression: IdentifierExpr,
+    leftParen: ExpressibleAsTokenSyntax? = nil,
+    rightParen: ExpressibleAsTokenSyntax? = nil,
+    trailingClosure: ExpressibleAsClosureExpr? = nil,
+    @TupleExprElementListBuilder argumentListBuilder: () -> TupleExprElementList = { .empty },
+    @MultipleTrailingClosureElementListBuilder additionalTrailingClosuresBuilder: () -> MultipleTrailingClosureElementList? = { nil }
+  ) {
+    self.init(
+      calledExpression: calledExpression,
+      leftParen: leftParen,
+      argumentList: argumentListBuilder(),
+      rightParen: rightParen,
+      trailingClosure: trailingClosure,
+      additionalTrailingClosures: additionalTrailingClosuresBuilder()
+    )
+  }
+}

Tests/SwiftSyntaxBuilderTest/FunctionTests.swift

@@ -27,7 +27,7 @@ final class FunctionTests: XCTestCase {
       ]), body: ifCodeBlock)
 
       ReturnStmt(expression: SequenceExpr(elementsBuilder: {
-        FunctionCallExpr(calledExpression: IdentifierExpr(identifier: TokenSyntax.identifier("fibonacci")), leftParen: TokenSyntax.leftParen, rightParen: TokenSyntax.rightParen, argumentListBuilder: {
+        FunctionCallExpr(calledExpression: IdentifierExpr("fibonacci"), leftParen: TokenSyntax.leftParen, rightParen: TokenSyntax.rightParen, argumentListBuilder: {
           TupleExprElement(expression: SequenceExpr(elementsBuilder: {
             IntegerLiteralExpr(digits: "n")
 
@@ -39,7 +39,7 @@ final class FunctionTests: XCTestCase {
 
         BinaryOperatorExpr(operatorToken: TokenSyntax.spacedBinaryOperator("+"))
 
-        FunctionCallExpr(calledExpression: IdentifierExpr(identifier: TokenSyntax.identifier("fibonacci")), leftParen: TokenSyntax.leftParen, rightParen: TokenSyntax.rightParen, argumentListBuilder: {
+        FunctionCallExpr("fibonacci", leftParen: TokenSyntax.leftParen, rightParen: TokenSyntax.rightParen, argumentListBuilder: {
           TupleExprElement(expression: SequenceExpr(elementsBuilder: {
             IntegerLiteralExpr(digits: "n")