Ported unicode conversions

ast.cpp

@@ -26,6 +26,7 @@ enum Ast_Kind: U32{
   AST_LENGTH_OF,
   AST_ALIGN_OF,
 
+  AST_BREAK,
   AST_COMPOUND,
   AST_TYPE,
   AST_VAR,
@@ -146,6 +147,7 @@ struct Ast_If: Ast{
 };
 
 struct Ast_Pass: Ast{};
+struct Ast_Break: Ast{};
 
 struct Ast_For: Ast{
   Ast_Expr *init;
@@ -357,6 +359,12 @@ ast_pass(Token *pos){
   return result;
 }
 
+function Ast_Break *
+ast_break(Token *pos){
+  AST_NEW(Break, BREAK, pos, AST_STMT);
+  return result;
+}
+
 function Ast_Return *
 ast_return(Token *pos, Ast_Expr *expr){
   AST_NEW(Return, RETURN, pos, AST_STMT);