From 025cee42eaf5f8b1c409e1a3a8fe3df8dac8d262 Mon Sep 17 00:00:00 2001
From: Elias Haugsbakk <elias.haugsbakk@gmail.com>
Date: Mon, 21 Sep 2026 15:38:24 +0200
Subject: refactor exception handling to differentiate internal exceptions from
 compilation failer

---
 .../kompilator/IRGeneration/IRGenerationException.java   | 16 ++++++++--------
 .../kompilator/IRGeneration/IRGenerator.java             | 16 ++++++++--------
 2 files changed, 16 insertions(+), 16 deletions(-)

(limited to 'src/main/java/no/eliashaugsbakk/kompilator/IRGeneration')

diff --git a/src/main/java/no/eliashaugsbakk/kompilator/IRGeneration/IRGenerationException.java b/src/main/java/no/eliashaugsbakk/kompilator/IRGeneration/IRGenerationException.java
index 4fef546..0df2ef2 100644
--- a/src/main/java/no/eliashaugsbakk/kompilator/IRGeneration/IRGenerationException.java
+++ b/src/main/java/no/eliashaugsbakk/kompilator/IRGeneration/IRGenerationException.java
@@ -1,15 +1,15 @@
 package no.eliashaugsbakk.kompilator.IRGeneration;
 
+import no.eliashaugsbakk.kompilator.CompilationException;
 import no.eliashaugsbakk.kompilator.tokenization.Position;
 
-public class IRGenerationException extends RuntimeException {
+public class IRGenerationException extends CompilationException {
   public IRGenerationException(Position position, String message) {
-    String pos;
-    if (position == null) {
-      pos = "ukjent posisjon";
-    } else {
-      pos = position.line() + ":" + position.column();
-    }
-    super(pos + ", " + message);
+    super(format(position, message));
+  }
+
+  private static String format(Position position, String message) {
+    String pos = position == null ? "ukjent posisjon" : position.line() + ":" + position.column();
+    return pos + ", " + message;
   }
 }
diff --git a/src/main/java/no/eliashaugsbakk/kompilator/IRGeneration/IRGenerator.java b/src/main/java/no/eliashaugsbakk/kompilator/IRGeneration/IRGenerator.java
index 04e8564..ec2733e 100644
--- a/src/main/java/no/eliashaugsbakk/kompilator/IRGeneration/IRGenerator.java
+++ b/src/main/java/no/eliashaugsbakk/kompilator/IRGeneration/IRGenerator.java
@@ -28,7 +28,7 @@ public class IRGenerator {
     this.ast = ast;
   }
 
-  public List<Instruction> generate() {
+  public List<Instruction> generate() throws IRGenerationException {
     Program program = (Program) ast.root();
 
     for (Statement stmt : program.statements) {
@@ -42,7 +42,7 @@ public class IRGenerator {
     return ir;
   }
 
-  private void generateStatement(Statement stmt) {
+  private void generateStatement(Statement stmt) throws IRGenerationException {
     if (stmt instanceof ExpressionStatement exprStmt) {
       generateExpression(exprStmt.expression);
     } else if (stmt instanceof Assignment assignment) {
@@ -52,7 +52,7 @@ public class IRGenerator {
     }
   }
 
-  private void generateAssignment(Assignment assignment) {
+  private void generateAssignment(Assignment assignment) throws IRGenerationException {
     String value;
     if (assignment.expression instanceof StringLiteral stringLiteral) {
       value = stringLiteral.value;
@@ -62,7 +62,7 @@ public class IRGenerator {
     ir.add(new Assign(assignment.identifier, value));
   }
 
-  private void generateIdentifierDecl(IdentifierDeclaration identifierDecl) {
+  private void generateIdentifierDecl(IdentifierDeclaration identifierDecl) throws IRGenerationException {
     String value;
     if (identifierDecl.initializer instanceof StringLiteral stringLiteral) {
       value = stringLiteral.value;
@@ -73,7 +73,7 @@ public class IRGenerator {
         value));
   }
 
-  private void generateExpression(Expression expr) {
+  private void generateExpression(Expression expr) throws IRGenerationException {
     if (expr instanceof FunctionCall call) {
       generateFunctionCall(call);
     } else {
@@ -82,10 +82,10 @@ public class IRGenerator {
   }
 
 
-  private void generateFunctionCall(FunctionCall fnCall) {
+  private void generateFunctionCall(FunctionCall fnCall) throws IRGenerationException {
     List<String> arguments = new ArrayList<>();
 
-    fnCall.arguments.forEach(arg -> {
+    for (Expression arg : fnCall.arguments) {
       if (arg instanceof StringLiteral stringLiteral) {
         String temp = "t" + tempCounter++;
         ir.add(new Alloc(temp, "streng", false, stringLiteral.value));
@@ -95,7 +95,7 @@ public class IRGenerator {
       } else {
         throw new IRGenerationException(fnCall.position, "Ukjent funksjon: " + arg);
       }
-    });
+    }
 
     ir.add(new Call(fnCall.functionName, arguments));
   }
-- 
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