diff --git a/ccodegen.cpp b/ccodegen.cpp
index 93814d6..1f51727 100644
--- a/ccodegen.cpp
+++ b/ccodegen.cpp
@@ -229,6 +229,11 @@ gen_expr(Ast_Expr *ast){
   }
 }
 
+function void
+gen_line(Ast *node){
+  genln("#line %d", node->pos->line+1);
+}
+
 function void
 gen_ast(Ast *ast);
 function void
@@ -236,6 +241,7 @@ gen_block(Ast_Block *block){
   gen("{");
   global_indent++;
   For(block->stmts) {
+    gen_line(it);
     genln("");
     gen_ast(it);
   }
@@ -248,7 +254,9 @@ gen_ast(Ast *ast){
   switch(ast->kind){
 
     CASE(PACKAGE, Package){
+      genln("#line 0 \"%s\"", node->name.str);
       For(node->ordered) {
+        gen_line(it);
         genln("");
         gen_ast(it);
       }
diff --git a/main.cpp b/main.cpp
index 4bcf491..63e1f16 100644
--- a/main.cpp
+++ b/main.cpp
@@ -80,6 +80,7 @@ Expr:
 [ ] - Arrays with size passed
 [ ] - Switch
 [ ] - Values inited to 0 by default
+[ ] - Emitting #line
 
 [ ] - Comma notation when declaring variables thing1, thing2: S32
 [ ] - Array of inferred size
diff --git a/program.c b/program.c
index 22620ab..3c89d2d 100644
--- a/program.c
+++ b/program.c
@@ -35,7 +35,10 @@ int main(){
   entry();
 }
   
+#line 0 "program.kl"
+#line 1
 
+#line 3
 typedef struct Token{
   U8 kind;
   U8 *str;
@@ -44,37 +47,61 @@ typedef struct Token{
     Number = 0,
   };*/
 }Token;
+#line 12
 String kind_name(U8 kind){
+  #line 15
   if((kind==0)){
+    #line 14
     return LIT("<Number>");
   }
   else{
+    #line 16
     return LIT("<Unknown>");
   }
 }
+#line 18
 Bool is_numeric(U8 c){
+  #line 19
   Bool result = ((c>=48)&&(c<=57));
+  #line 20
   return result;
 }
+#line 22
 void entry(){
+  #line 23
   String string_to_lex = LIT("Identifier 2425525 Not_Number");
+  #line 24
   Slice token_array = (Slice){32, (Token [32]){}};
+  #line 25
   S64 token_count = 0;
+  #line 27
   Token t;
+  #line 28
   for(S64 i = 0;(i<string_to_lex.len);i+=1){
+    #line 29
     if(is_numeric((string_to_lex.str[i]))){
+      #line 30
       t.kind=0;
+      #line 31
       t.str=(&(string_to_lex.str[i]));
+      #line 32
       t.len=i;
+      #line 33
       for(;is_numeric((string_to_lex.str[i]));){
+        #line 34
         i+=1;
       }
+      #line 35
       t.len=(i-t.len);
+      #line 36
       (((Token *)token_array.data)[(token_count++)])=t;
     }
   }
+  #line 38
   for(S64 i = 0;(i<token_count);(i++)){
+    #line 39
     Token *tk = (&(((Token *)token_array.data)[i]));
+    #line 40
     printf("%.*s", ((S32 )tk->len), tk->str);
   }
 }
\ No newline at end of file