From 0110c68debe431369dcd4f107daf142d478b8496 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 27 Aug 2023 21:36:57 +0100
Subject: Extract generateCondition()

---
 .../org/shedlang/compiler/patio/PatioCodeGen.java  | 53 +++++++++++++---------
 1 file changed, 32 insertions(+), 21 deletions(-)

(limited to 'src/main/java')

diff --git a/src/main/java/org/shedlang/compiler/patio/PatioCodeGen.java b/src/main/java/org/shedlang/compiler/patio/PatioCodeGen.java
index c16dbc4a..3bd8b430 100644
--- a/src/main/java/org/shedlang/compiler/patio/PatioCodeGen.java
+++ b/src/main/java/org/shedlang/compiler/patio/PatioCodeGen.java
@@ -252,30 +252,10 @@ public class PatioCodeGen {
             }
 
             case IfInstruction if_ -> {
-                var conditionIntResult = context.allocateVal(
-                    PatioCodeGenLocalSpace.TEMPORARY,
-                    "conditionInt",
-                    PatioTypes.INT
-                );
-                var conditionInt = conditionIntResult.value();
-                context = conditionIntResult.context();
-
-                context = context.temporaryPopIntoLocal(conditionInt, if_.source());
-
-                var conditionBoolResult = context.allocateVal(
-                    PatioCodeGenLocalSpace.TEMPORARY,
-                    "conditionBool",
-                    PatioTypes.BOOL
-                );
+                var conditionBoolResult = generateCondition(if_.source(), context);
                 var conditionBool = conditionBoolResult.value();
                 context = conditionBoolResult.context();
 
-                context = context.addInstruction(new PatioIntToBool(
-                    conditionBool,
-                    conditionInt,
-                    if_.source()
-                ));
-
                 var valueResult = context.allocateVal(
                     PatioCodeGenLocalSpace.TEMPORARY,
                     PatioCodeGenTypes.VALUE_TYPE
@@ -598,6 +578,37 @@ public class PatioCodeGen {
         ));
     }
 
+    private static PatioCodeGenResult<PatioLocalRef> generateCondition(
+        Source source,
+        PatioCodeGenContext context
+    ) {
+        var conditionIntResult = context.allocateVal(
+            PatioCodeGenLocalSpace.TEMPORARY,
+            "conditionInt",
+            PatioTypes.INT
+        );
+        var conditionInt = conditionIntResult.value();
+        context = conditionIntResult.context();
+
+        context = context.temporaryPopIntoLocal(conditionInt, source);
+
+        var conditionBoolResult = context.allocateVal(
+            PatioCodeGenLocalSpace.TEMPORARY,
+            "conditionBool",
+            PatioTypes.BOOL
+        );
+        var conditionBool = conditionBoolResult.value();
+        context = conditionBoolResult.context();
+
+        context = context.addInstruction(new PatioIntToBool(
+            conditionBool,
+            conditionInt,
+            source
+        ));
+
+        return context.toResult(conditionBool);
+    }
+
     private static PatioCodeGenContext pushValue(int value, Source source, PatioCodeGenContext context) {
         var localResult = context.allocateVal(PatioCodeGenLocalSpace.TEMPORARY, PatioCodeGenTypes.VALUE_TYPE);
         var local = localResult.value();
-- 
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