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

---
 .../assembleAndLink/AssemblerAndLinker.java        | 35 ++++++++--------------
 1 file changed, 13 insertions(+), 22 deletions(-)

(limited to 'src/main/java/no/eliashaugsbakk/kompilator/assembleAndLink/AssemblerAndLinker.java')

diff --git a/src/main/java/no/eliashaugsbakk/kompilator/assembleAndLink/AssemblerAndLinker.java b/src/main/java/no/eliashaugsbakk/kompilator/assembleAndLink/AssemblerAndLinker.java
index 42fe1c3..a2375d1 100644
--- a/src/main/java/no/eliashaugsbakk/kompilator/assembleAndLink/AssemblerAndLinker.java
+++ b/src/main/java/no/eliashaugsbakk/kompilator/assembleAndLink/AssemblerAndLinker.java
@@ -6,6 +6,7 @@ import java.io.InputStreamReader;
 import no.eliashaugsbakk.kompilator.IO.File;
 import no.eliashaugsbakk.kompilator.IO.FileReaderWriter;
 import no.eliashaugsbakk.kompilator.IO.FileReaderWriterException;
+import no.eliashaugsbakk.kompilator.CompilationException;
 import no.eliashaugsbakk.kompilator.Main;
 
 public class AssemblerAndLinker {
@@ -15,24 +16,21 @@ public class AssemblerAndLinker {
     fileReaderWriter = new FileReaderWriter();
   }
 
-  public void assembleAndLink(String programName, String assembly) {
+  public void assembleAndLink(String programName, String assembly) throws CompilationException {
     String assemblyFileName = programName + ".s";
     String assembledFileName = programName + ".o";
 
-    try {
-      fileReaderWriter.writeFile(new File(assemblyFileName, assembly));
-    } catch (FileReaderWriterException e) {
-      IO.println("feil: Kunne ikke skrive filen: " + e.getMessage());
-    }
+    fileReaderWriter.writeFile(new File(assemblyFileName, assembly));
 
     try {
       // Assembling using: as -o program.o program.s
       ProcessBuilder asPB = new ProcessBuilder("as", "-o", assembledFileName, assemblyFileName);
       runProcess(asPB);
     } catch (IOException e) {
-      IO.println("feil: Kunne ikke starte GCC\n\n" + e);
+      throw new CompilationException("Kunne ikke starte assembleren", e);
     } catch (InterruptedException e) {
-      IO.println("feil: Kunne ikke vente på GCC-utdata\n\n" + e);
+      Thread.currentThread().interrupt();
+      throw new CompilationException("Ventingen på assembleren ble avbrutt", e);
     }
 
     try {
@@ -40,28 +38,21 @@ public class AssemblerAndLinker {
       ProcessBuilder ldPB = new ProcessBuilder("ld", "-o", programName, assembledFileName);
       runProcess(ldPB);
     } catch (IOException e) {
-      IO.println("feil: Kunne ikke starte GCC\n\n" + e);
+      throw new CompilationException("Kunne ikke starte lenkeren", e);
     } catch (InterruptedException e) {
-      IO.println("feil: Kunne ikke vente på GCC-utdata\n\n" + e);
+      Thread.currentThread().interrupt();
+      throw new CompilationException("Ventingen på lenkeren ble avbrutt", e);
     }
 
     // Clean up
     if (!Main.VERBOSE) {
-      try {
-        fileReaderWriter.deleteFile(assemblyFileName);
-      } catch (FileReaderWriterException e) {
-        IO.println("feil: Kunne ikke slette assemblerfilen: " + e.getMessage());
-      }
-      try {
-        fileReaderWriter.deleteFile(assembledFileName);
-      } catch (FileReaderWriterException e) {
-        IO.println("feil: Kunne ikke slette objektfilen: " + e.getMessage());
-      }
+      fileReaderWriter.deleteFile(assemblyFileName);
+      fileReaderWriter.deleteFile(assembledFileName);
     }
   }
 
   private static void runProcess(ProcessBuilder processBuilder)
-      throws IOException, InterruptedException {
+      throws IOException, InterruptedException, CompilationException {
     Process process = processBuilder.start();
     process.waitFor();
     if (process.exitValue() != 0) {
@@ -70,7 +61,7 @@ public class AssemblerAndLinker {
 
       String line;
       while ((line = bufferedReader.readLine()) != null) {
-        System.out.println(line);
+        throw new CompilationException("Prosessen mislyktes:\n" + line);
       }
       bufferedReader.close();
     }
-- 
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