From e19e4685459b3d0fc4e3f5917967c744232985e2 Mon Sep 17 00:00:00 2001
From: Natapat Samutpong <natapat.samutpong@gmail.com>
Date: Thu, 24 Mar 2022 11:18:53 +0700
Subject: [PATCH] woopsie

---
 crates/codegen/src/ts.rs | 4 +++-
 crates/hir/src/lib.rs    | 3 ++-
 example/err/throw.hz     | 3 +++
 3 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 example/err/throw.hz

diff --git a/crates/codegen/src/ts.rs b/crates/codegen/src/ts.rs
index 1e111b7..544612e 100644
--- a/crates/codegen/src/ts.rs
+++ b/crates/codegen/src/ts.rs
@@ -62,11 +62,13 @@ impl Codegen {
                     "write"      => { format!("write({}){}\n"        , self.gen_ir(&args[0], false), semicolon!()) },
                     "write_file" => { format!("writeFile({}, {}){}\n", self.gen_ir(&args[0], false), self.gen_ir(&args[1], false), semicolon!()) },
                     "read"       => { format!("read({}){}\n"         , self.gen_ir(&args[0], false), semicolon!()) },
-                    "read_file"  => { format!("readFile({}){}\n"     , self.gen_ir(&args[0], false), semicolon!()) }
+                    "read_file"  => { format!("readFile({}){}\n"     , self.gen_ir(&args[0], false), semicolon!()) },
                     "emit" => { format!("{}", self.gen_ir(&args[0], false).trim_start_matches('"').trim_end_matches('"')) },
                     
                     "get" => { format!("{}[{}]", self.gen_ir(&args[0], false), self.gen_ir(&args[1], false)) },
                     "len" => { format!("{}.length", self.gen_ir(&args[0], false)) },
+                    
+                    "throw" => { format!("throw new Error({}){}", self.gen_ir(&args[0], false), semicolon!()) },
                     _ => unreachable!(format!("Unknown intrinsic: {}", name)) // Shoul be handled by lowering
                 }
             },
diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs
index 4fb8814..0d6fe2d 100644
--- a/crates/hir/src/lib.rs
+++ b/crates/hir/src/lib.rs
@@ -1,7 +1,7 @@
 use std::ops::Range;
 use parser::Expr;
 
-const INTRINSICS: [&str; 7] = [
+const INTRINSICS: [&str; 8] = [
     "write",
     "read",
     "write_file",
@@ -9,6 +9,7 @@ const INTRINSICS: [&str; 7] = [
     "emit",
     "get",
     "len",
+    "throw",
 ];
 
 #[derive(Debug, Clone)]
diff --git a/example/err/throw.hz b/example/err/throw.hz
new file mode 100644
index 0000000..c82d8c9
--- /dev/null
+++ b/example/err/throw.hz
@@ -0,0 +1,3 @@
+fun main: void = do
+    @throw("woopsie");
+end;