From 7ea0132a30cbcee1ff43fe42c616da064d60978e Mon Sep 17 00:00:00 2001
From: Jonas Wanke <contact@jonas-wanke.com>
Date: Thu, 15 Aug 2024 15:21:14 +0200
Subject: [PATCH] Add panic builtin function

---
 compiler_v4/src/hir.rs      | 6 ++++++
 compiler_v4/src/hir_to_c.rs | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/compiler_v4/src/hir.rs b/compiler_v4/src/hir.rs
index ba39a6e54..d67f746ac 100644
--- a/compiler_v4/src/hir.rs
+++ b/compiler_v4/src/hir.rs
@@ -274,6 +274,7 @@ pub enum BuiltinFunction {
     IntCompareTo,
     IntSubtract,
     IntToText,
+    Panic,
     Print,
     TextConcat,
 }
@@ -306,6 +307,11 @@ impl BuiltinFunction {
                 parameters: [("int".into(), Type::int())].into(),
                 return_type: Type::text(),
             },
+            Self::Panic => BuiltinFunctionSignature {
+                name: "panic".into(),
+                parameters: [("message".into(), Type::text())].into(),
+                return_type: Type::never(),
+            },
             Self::Print => BuiltinFunctionSignature {
                 name: "print".into(),
                 parameters: [("message".into(), Type::text())].into(),
diff --git a/compiler_v4/src/hir_to_c.rs b/compiler_v4/src/hir_to_c.rs
index bee0f10c7..470e8a17d 100644
--- a/compiler_v4/src/hir_to_c.rs
+++ b/compiler_v4/src/hir_to_c.rs
@@ -238,6 +238,14 @@ impl<'h> Context<'h> {
                         return result_pointer;",
                         int = parameters[0].id,
                     )),
+                    BuiltinFunction::Panic => {
+                        self.push(format!(
+                            "\
+                            fputs({}->value);
+                            exit(1);",
+                            parameters[0].id,
+                        ));
+                    }
                     BuiltinFunction::Print => {
                         self.push(format!("puts({}->value);\n", parameters[0].id));
                         let nothing_id = Id::from_usize(1);