From 2934f5546ababe312aec007ce0ef1f3764a680a4 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 12 Jun 2024 15:16:45 +0100
Subject: Fix parsing of integers with non-decimal bases in C# backend

---
 .../csharp/primitives/CsharpPrimitiveMethods.java  | 23 +++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

(limited to 'src/main/java/org/zwobble/couscous/backends/csharp')

diff --git a/src/main/java/org/zwobble/couscous/backends/csharp/primitives/CsharpPrimitiveMethods.java b/src/main/java/org/zwobble/couscous/backends/csharp/primitives/CsharpPrimitiveMethods.java
index 43ca370..3029a60 100644
--- a/src/main/java/org/zwobble/couscous/backends/csharp/primitives/CsharpPrimitiveMethods.java
+++ b/src/main/java/org/zwobble/couscous/backends/csharp/primitives/CsharpPrimitiveMethods.java
@@ -1,7 +1,10 @@
 package org.zwobble.couscous.backends.csharp.primitives;
 
 import com.google.common.collect.ImmutableMap;
-import org.zwobble.couscous.ast.*;
+import org.zwobble.couscous.ast.ExpressionNode;
+import org.zwobble.couscous.ast.MethodCallNode;
+import org.zwobble.couscous.ast.Operator;
+import org.zwobble.couscous.ast.Receiver;
 import org.zwobble.couscous.ast.visitors.NodeTransformer;
 import org.zwobble.couscous.types.ScalarType;
 import org.zwobble.couscous.types.Types;
@@ -144,12 +147,18 @@ public class CsharpPrimitiveMethods {
             ))
 
             .put("parseInt", new PrimitiveStaticMethod(
-                arguments -> staticMethodCall(
-                    ScalarType.topLevel("int"),
-                    "Parse",
-                    list(arguments.get(0)),
-                    ScalarType.topLevel("int")
-                ),
+                arguments -> {
+                    if (arguments.size() == 1 || arguments.size() == 2) {
+                        return staticMethodCall(
+                            ScalarType.topLevel("System.Convert"),
+                            "ToInt32",
+                            arguments,
+                            ScalarType.topLevel("int")
+                        );
+                    } else {
+                        throw new IllegalArgumentException();
+                    }
+                },
                 Types.INT
             ))
 
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