From c34bbe7de7fc970d4e225252d521d4bdafde8296 Mon Sep 17 00:00:00 2001
From: Piotr Fusik <piotr@fusion-lang.org>
Date: Mon, 6 Nov 2023 22:06:56 +0100
Subject: [PATCH] [main] Fix args indexing in C++.

#73
---
 GenCpp.fu        | 3 +++
 libfut.cpp       | 3 +++
 libfut.cs        | 3 +++
 libfut.js        | 3 +++
 test/MainArgs.fu | 2 +-
 5 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/GenCpp.fu b/GenCpp.fu
index eda6b636..e9d5c3f8 100644
--- a/GenCpp.fu
+++ b/GenCpp.fu
@@ -459,7 +459,10 @@ public class GenCpp : GenCCpp
 			switch (klass.Class.Id) {
 			case FuId.ArrayStorageClass:
 				if (klass.Id == FuId.MainArgsType) {
+					Include("string_view");
+					Write("std::string_view(");
 					WriteArgsIndexing(expr.Right);
+					WriteChar(')');
 					return;
 				}
 				break;
diff --git a/libfut.cpp b/libfut.cpp
index 6c928601..f854168a 100644
--- a/libfut.cpp
+++ b/libfut.cpp
@@ -13020,7 +13020,10 @@ void GenCpp::writeIndexingExpr(const FuBinaryExpr * expr, FuPriority parent)
 		switch (klass->class_->id) {
 		case FuId::arrayStorageClass:
 			if (klass->id == FuId::mainArgsType) {
+				include("string_view");
+				write("std::string_view(");
 				writeArgsIndexing(expr->right.get());
+				writeChar(')');
 				return;
 			}
 			break;
diff --git a/libfut.cs b/libfut.cs
index eaa3f800..e59623dc 100644
--- a/libfut.cs
+++ b/libfut.cs
@@ -13384,7 +13384,10 @@ protected override void WriteIndexingExpr(FuBinaryExpr expr, FuPriority parent)
 				switch (klass.Class.Id) {
 				case FuId.ArrayStorageClass:
 					if (klass.Id == FuId.MainArgsType) {
+						Include("string_view");
+						Write("std::string_view(");
 						WriteArgsIndexing(expr.Right);
+						WriteChar(')');
 						return;
 					}
 					break;
diff --git a/libfut.js b/libfut.js
index 9e1d6729..f8a5a148 100644
--- a/libfut.js
+++ b/libfut.js
@@ -13808,7 +13808,10 @@ export class GenCpp extends GenCCpp
 			switch (klass.class.id) {
 			case FuId.ARRAY_STORAGE_CLASS:
 				if (klass.id == FuId.MAIN_ARGS_TYPE) {
+					this.include("string_view");
+					this.write("std::string_view(");
 					this.writeArgsIndexing(expr.right);
+					this.writeChar(41);
 					return;
 				}
 				break;
diff --git a/test/MainArgs.fu b/test/MainArgs.fu
index 167ebb1b..aa9c319f 100644
--- a/test/MainArgs.fu
+++ b/test/MainArgs.fu
@@ -2,7 +2,7 @@ public static class Runner
 {
 	public static int Main(string[] args) //FAIL: cl
 	{
-		if (args.Length == 2 && args[0] == "foo" && args[1] == "bar") { //FAIL: cpp swift TODO
+		if (args.Length == 2 && args[0] == "foo" && args[1] == "bar") { //FAIL: swift TODO
 			int i = 0;
 			foreach (string arg in args) {
 				if (arg != (i == 0 ? "foo" : "bar"))