From 8fb87901aeaa64ede6a0b2793d27d72d7b534d5c Mon Sep 17 00:00:00 2001
From: fennecdjay <astor.jeremie@wanadoo.fr>
Date: Fri, 5 Jul 2019 19:57:47 +0200
Subject: [PATCH] :art: Operators as symbols

---
 ast                  |   2 +-
 include/gwi.h        |   3 +-
 include/import.h     |   4 +-
 include/operator.h   |   2 +-
 src/emit/emit.c      |  10 +-
 src/lib/array.c      |   6 +-
 src/lib/complex.c    |  36 +++----
 src/lib/engine.c     |   2 +-
 src/lib/event.c      |   2 +-
 src/lib/func.c       |  18 ++--
 src/lib/import.c     |   5 +-
 src/lib/object.c     |  24 ++---
 src/lib/opfunc.c     |   8 +-
 src/lib/prim.c       | 234 +++++++++++++++++++++----------------------
 src/lib/ptr.c        |   6 +-
 src/lib/string.c     |  58 +++++------
 src/lib/ugen.c       |   8 +-
 src/lib/vararg.c     |   4 +-
 src/lib/vec.c        |  52 +++++-----
 src/parse/check.c    |   9 +-
 src/parse/operator.c |  42 ++++----
 src/parse/scan1.c    |   4 +-
 src/parse/scan2.c    |   9 +-
 util                 |   2 +-
 24 files changed, 274 insertions(+), 276 deletions(-)

diff --git a/ast b/ast
index e44ed608..288d889c 160000
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit e44ed608c3017151511c1ec23db9a4fd97007729
+Subproject commit 288d889c1479bc51f413836bbebeb63031742215
diff --git a/include/gwi.h b/include/gwi.h
index 23389900..7bd75d85 100644
--- a/include/gwi.h
+++ b/include/gwi.h
@@ -22,11 +22,10 @@ typedef struct {
 } DL_Func;
 
 typedef struct {
-  Operator op;
+  Symbol op;
   m_str ret, lhs, rhs;
   Type   (*ck)(Env, void*, m_bool*);
   m_bool (*em)(Emitter, void*);
-  m_bool mut;
 } DL_Oper;
 
 typedef struct {
diff --git a/include/import.h b/include/import.h
index 91de84f4..0864ff38 100644
--- a/include/import.h
+++ b/include/import.h
@@ -22,7 +22,7 @@ typedef struct Gwi_* Gwi;
 #define ALLOC_PTR(p, a, b, c) b* a = (b*)_mp_calloc(p, sizeof(b)); *a = (b)c
 #define _CHECK_OP(op, check, func)\
     CHECK_BB(gwi_oper_add(gwi, opck_##check))\
-    CHECK_BB(gwi_oper_end(gwi, op_##op, func))
+    CHECK_BB(gwi_oper_end(gwi, op, func))
 #define GWI_LOC new_loc(gwi->gwion->mp, __LINE__)
 
 
@@ -61,7 +61,7 @@ ANN m_int gwi_func_end(const Gwi gwi, const ae_flag flag);
 ANN2(1) m_int gwi_oper_ini(const Gwi gwi, const m_str l, const m_str r, const m_str t);
 ANN m_int gwi_oper_add(const Gwi gwi, opck);
 ANN m_int gwi_oper_emi(const Gwi gwi, opem);
-ANN2(1) m_int gwi_oper_end(const Gwi gwi, const Operator op, const f_instr f);
+ANN2(1) m_int gwi_oper_end(const Gwi gwi, const m_str op, const f_instr f);
 
 ANN Type_Decl* str2decl(const Env, const m_str, m_uint* depth);
 
diff --git a/include/operator.h b/include/operator.h
index a54b8d10..3fb4c4bd 100644
--- a/include/operator.h
+++ b/include/operator.h
@@ -13,7 +13,7 @@ struct Op_Import {
   opem em;
   uintptr_t data;
   loc_t pos;
-  Operator op;
+  Symbol op;
 };
 
 struct Implicit {
diff --git a/src/emit/emit.c b/src/emit/emit.c
index a50ac62f..df309a90 100644
--- a/src/emit/emit.c
+++ b/src/emit/emit.c
@@ -731,7 +731,7 @@ ANN static m_bool emit_exp_binary(const Emitter emit, const Exp_Binary* bin) {
 }
 
 ANN static m_bool emit_exp_cast(const Emitter emit, const Exp_Cast* cast) {
-  struct Op_Import opi = { .op=op_cast, .lhs=cast->exp->type, .rhs=exp_self(cast)->type, .data=(uintptr_t)cast};
+  struct Op_Import opi = { .op=insert_symbol("$"), .lhs=cast->exp->type, .rhs=exp_self(cast)->type, .data=(uintptr_t)cast};
   CHECK_BB(emit_exp(emit, cast->exp, 0))
   (void)op_emit(emit, &opi);
   return GW_OK;
@@ -955,7 +955,7 @@ ANN static m_bool spork_func(const Emitter emit, const Exp_Call* exp) {
 }
 
 ANN m_bool emit_exp_spork(const Emitter emit, const Exp_Unary* unary) {
-  const m_bool is_spork = unary->op == op_spork;
+  const m_bool is_spork = unary->op == insert_symbol("spork");
   const Func f = !unary->code ? unary->exp->d.exp_call.m_func : NULL;
   if(!f) {
     emit_add_instr(emit, RegPushImm);
@@ -969,7 +969,7 @@ ANN m_bool emit_exp_spork(const Emitter emit, const Exp_Unary* unary) {
     CHECK_BB(spork_func(emit, &unary->exp->d.exp_call))
   }
   const VM_Code code = finalyze(emit);
-  const Instr ini = emit_add_instr(emit, unary->op == op_spork ? SporkIni : ForkIni);
+  const Instr ini = emit_add_instr(emit, unary->op == insert_symbol("spork") ? SporkIni : ForkIni);
   ini->m_val = (m_uint)code;
   ini->m_val2 = is_spork;
   if(!f) {
@@ -1004,7 +1004,7 @@ ANN m_bool emit_exp_spork(const Emitter emit, const Exp_Unary* unary) {
 
 ANN static m_bool emit_exp_unary(const Emitter emit, const Exp_Unary* unary) {
   struct Op_Import opi = { .op=unary->op, .data=(uintptr_t)unary };
-  if(unary->op != op_spork && unary->op != op_fork && unary->exp) {
+  if(unary->op != insert_symbol("spork") && unary->op != insert_symbol("fork") && unary->exp) {
     CHECK_BB(emit_exp(emit, unary->exp, 1))
     opi.rhs = unary->exp->type;
   }
@@ -1014,7 +1014,7 @@ ANN static m_bool emit_exp_unary(const Emitter emit, const Exp_Unary* unary) {
 ANN static m_bool emit_implicit_cast(const Emitter emit,
     const restrict Exp  from, const restrict Type to) {
   const struct Implicit imp = { from, to };
-  struct Op_Import opi = { .op=op_impl, .lhs=from->type, .rhs=to, .data=(m_uint)&imp };
+  struct Op_Import opi = { .op=insert_symbol("@implicit"), .lhs=from->type, .rhs=to, .data=(m_uint)&imp };
   return op_emit(emit, &opi);
 }
 
diff --git a/src/lib/array.c b/src/lib/array.c
index da46685d..a96fcfe8 100644
--- a/src/lib/array.c
+++ b/src/lib/array.c
@@ -222,14 +222,14 @@ GWION_IMPORT(array) {
   CHECK_BB(gwi_class_end(gwi))
   CHECK_BB(gwi_oper_ini(gwi, "@Array", (m_str)OP_ANY_TYPE, NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_array_at))
-  CHECK_BB(gwi_oper_end(gwi, op_ref, ObjectAssign))
+  CHECK_BB(gwi_oper_end(gwi, "@=>", ObjectAssign))
   CHECK_BB(gwi_oper_add(gwi, opck_array_shift))
   CHECK_BB(gwi_oper_emi(gwi, opem_array_shift))
-  CHECK_BB(gwi_oper_end(gwi, op_shl, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "<<", NULL))
   CHECK_BB(gwi_oper_ini(gwi, "@Array", "Array", NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_array_cast))
   CHECK_BB(gwi_oper_emi(gwi, opem_basic_cast))
-  CHECK_BB(gwi_oper_end(gwi, op_cast, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "$", NULL))
   register_freearg(gwi, ArrayAlloc, freearg_array);
   return GW_OK;
 }
diff --git a/src/lib/complex.c b/src/lib/complex.c
index 167aefda..54bd3897 100644
--- a/src/lib/complex.c
+++ b/src/lib/complex.c
@@ -127,34 +127,34 @@ GWION_IMPORT(complex) {
   CHECK_BB(gwi_item_end(gwi,   ae_flag_member, NULL))
   CHECK_BB(gwi_class_end(gwi))
   CHECK_BB(gwi_oper_ini(gwi, "complex", "complex", "complex"))
-  CHECK_BB(gwi_oper_end(gwi, op_add,          ComplexAdd))
-  CHECK_BB(gwi_oper_end(gwi, op_sub,         ComplexSub))
-  CHECK_BB(gwi_oper_end(gwi, op_mul,         ComplexMul))
-  CHECK_BB(gwi_oper_end(gwi, op_div,        ComplexDiv))
+  CHECK_BB(gwi_oper_end(gwi, "+",          ComplexAdd))
+  CHECK_BB(gwi_oper_end(gwi, "-",         ComplexSub))
+  CHECK_BB(gwi_oper_end(gwi, "*",         ComplexMul))
+  CHECK_BB(gwi_oper_end(gwi, "/",        ComplexDiv))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,         ComplexRAssign))
+  CHECK_BB(gwi_oper_end(gwi, "=>",         ComplexRAssign))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_radd,    ComplexRAdd))
+  CHECK_BB(gwi_oper_end(gwi, "+=>",    ComplexRAdd))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_rsub,   ComplexRSub))
+  CHECK_BB(gwi_oper_end(gwi, "-=>",   ComplexRSub))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_rmul,   ComplexRMul))
+  CHECK_BB(gwi_oper_end(gwi, "*=>",   ComplexRMul))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_rdiv,  ComplexRDiv))
+  CHECK_BB(gwi_oper_end(gwi, "/=>",  ComplexRDiv))
   CHECK_BB(gwi_oper_ini(gwi, "polar", "polar", "polar"))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,         ComplexRAssign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,          PolarAdd))
-  CHECK_BB(gwi_oper_end(gwi, op_sub,         PolarSub))
-  CHECK_BB(gwi_oper_end(gwi, op_mul,         PolarMul))
-  CHECK_BB(gwi_oper_end(gwi, op_div,        PolarDiv))
+  CHECK_BB(gwi_oper_end(gwi, "=>",         ComplexRAssign))
+  CHECK_BB(gwi_oper_end(gwi, "+",          PolarAdd))
+  CHECK_BB(gwi_oper_end(gwi, "-",         PolarSub))
+  CHECK_BB(gwi_oper_end(gwi, "*",         PolarMul))
+  CHECK_BB(gwi_oper_end(gwi, "/",        PolarDiv))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_radd,    PolarRAdd))
+  CHECK_BB(gwi_oper_end(gwi, "+=>",    PolarRAdd))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_rsub,   PolarRSub))
+  CHECK_BB(gwi_oper_end(gwi, "-=>",   PolarRSub))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_rmul,   PolarRMul))
+  CHECK_BB(gwi_oper_end(gwi, "*=>",   PolarRMul))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_rdiv,  PolarRDiv))
+  CHECK_BB(gwi_oper_end(gwi, "/=>",  PolarRDiv))
   return GW_OK;
 }
diff --git a/src/lib/engine.c b/src/lib/engine.c
index 7b6655c8..4a629e6a 100644
--- a/src/lib/engine.c
+++ b/src/lib/engine.c
@@ -79,7 +79,7 @@ ANN static m_bool import_core_libs(const Gwi gwi) {
   CHECK_BB(gwi_oper_ini(gwi, NULL, (m_str)OP_ANY_TYPE, NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_new))
   CHECK_BB(gwi_oper_emi(gwi, opem_new))
-  CHECK_BB(gwi_oper_end(gwi, op_new, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "new", NULL))
   CHECK_BB(import_prim(gwi))
   CHECK_BB(import_complex(gwi))
   CHECK_BB(import_vec3(gwi))
diff --git a/src/lib/event.c b/src/lib/event.c
index 09f15d41..77931069 100644
--- a/src/lib/event.c
+++ b/src/lib/event.c
@@ -66,6 +66,6 @@ GWION_IMPORT(event) {
   CHECK_BB(gwi_func_end(gwi, 0))
   CHECK_BB(gwi_class_end(gwi))
   CHECK_BB(gwi_oper_ini(gwi, "Event", "@now", "int"))
-  _CHECK_OP(chuck, eventwait, EventWait)
+  _CHECK_OP("=>", eventwait, EventWait)
   return GW_OK;
 }
diff --git a/src/lib/func.c b/src/lib/func.c
index cc85de4e..4d06af67 100644
--- a/src/lib/func.c
+++ b/src/lib/func.c
@@ -248,11 +248,11 @@ ANN Type check_exp_unary_spork(const Env env, const Stmt code);
 
 static OP_CHECK(opck_spork) {
   const Exp_Unary* unary = (Exp_Unary*)data;
-  if(unary->op == op_fork && !unary->fork_ok)
+  if(unary->op == insert_symbol("fork") && !unary->fork_ok)
     ERR_O(exp_self(unary)->pos, _("forks must be stored in a value:\n"
         "fork xxx @=> Fork f"))
   if(unary->exp && unary->exp->exp_type == ae_exp_call)
-    return unary->op == op_spork ? t_shred : t_fork;
+    return unary->op == insert_symbol("spork") ? t_shred : t_fork;
   else if(unary->code) {
     ++env->scope->depth;
     nspc_push_value(env->gwion->mp, env->curr);
@@ -260,7 +260,7 @@ static OP_CHECK(opck_spork) {
     nspc_pop_value(env->gwion->mp, env->curr);
     --env->scope->depth;
     CHECK_BO(ret)
-    return unary->op == op_spork ? t_shred : t_fork;
+    return unary->op == insert_symbol("spork") ? t_shred : t_fork;
   } else
     ERR_O(exp_self(unary)->pos, _("only function calls can be sporked..."))
   return NULL;
@@ -284,24 +284,24 @@ static FREEARG(freearg_dottmpl) {
 GWION_IMPORT(func) {
   CHECK_BB(gwi_oper_ini(gwi, (m_str)OP_ANY_TYPE, "@function", NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_func_call))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "=>", NULL))
   CHECK_BB(gwi_oper_ini(gwi, "@function", "@func_ptr", NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_fptr_at))
   CHECK_BB(gwi_oper_emi(gwi, opem_func_assign))
-  CHECK_BB(gwi_oper_end(gwi, op_ref, NULL /*FuncAssign*/))
+  CHECK_BB(gwi_oper_end(gwi, "@=>", NULL /*FuncAssign*/))
   CHECK_BB(gwi_oper_add(gwi, opck_fptr_cast))
   CHECK_BB(gwi_oper_emi(gwi, opem_fptr_cast))
-  CHECK_BB(gwi_oper_end(gwi, op_cast, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "$", NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_fptr_impl))
   CHECK_BB(gwi_oper_emi(gwi, opem_fptr_impl))
-  CHECK_BB(gwi_oper_end(gwi, op_impl, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "@implicit", NULL))
   CHECK_BB(gwi_oper_ini(gwi, NULL, (m_str)OP_ANY_TYPE, NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_spork))
   CHECK_BB(gwi_oper_emi(gwi, opem_spork))
-  CHECK_BB(gwi_oper_end(gwi, op_spork, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "spork", NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_spork))
   CHECK_BB(gwi_oper_emi(gwi, opem_spork))
-  CHECK_BB(gwi_oper_end(gwi, op_fork, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "fork", NULL))
   register_freearg(gwi, SporkIni, freearg_xork);
   register_freearg(gwi, ForkIni, freearg_xork);
   register_freearg(gwi, DotTmpl, freearg_dottmpl);
diff --git a/src/lib/import.c b/src/lib/import.c
index 15c8bb3a..56ecdfd9 100644
--- a/src/lib/import.c
+++ b/src/lib/import.c
@@ -489,7 +489,6 @@ ANN2(1,2) static int import_op(const Gwi gwi, const DL_Oper* op,
 
 ANN2(1) m_int gwi_oper_ini(const Gwi gwi, const restrict m_str l,
     const restrict m_str r, const restrict m_str t) {
-  gwi->oper.mut = 0;
   gwi->oper.ret = t;
   gwi->oper.rhs = r;
   gwi->oper.lhs = l;
@@ -506,8 +505,8 @@ ANN m_int gwi_oper_emi(const Gwi gwi, m_bool (*em)(Emitter, void*)) {
   return GW_OK;
 }
 
-ANN m_int gwi_oper_end(const Gwi gwi, const Operator op, const f_instr f) {
-  gwi->oper.op = op;
+ANN m_int gwi_oper_end(const Gwi gwi, const m_str op, const f_instr f) {
+  gwi->oper.op = insert_symbol(gwi->gwion->st, op);
   const m_bool ret = import_op(gwi, &gwi->oper, f);
   gwi->oper.ck = NULL;
   gwi->oper.em = NULL;
diff --git a/src/lib/object.c b/src/lib/object.c
index bc41aab2..436231ca 100644
--- a/src/lib/object.c
+++ b/src/lib/object.c
@@ -154,30 +154,30 @@ GWION_IMPORT(object) {
   CHECK_BB(gwi_class_end(gwi))
   CHECK_BB(gwi_oper_ini(gwi, "@null", "Object", "Object"))
   CHECK_BB(gwi_oper_add(gwi, at_object))
-  CHECK_BB(gwi_oper_end(gwi, op_ref, ObjectAssign))
+  CHECK_BB(gwi_oper_end(gwi, "@=>", ObjectAssign))
   CHECK_BB(gwi_oper_ini(gwi, "Object", "Object", NULL))
   CHECK_BB(gwi_oper_add(gwi, at_object))
-  CHECK_BB(gwi_oper_end(gwi, op_ref, ObjectAssign))
+  CHECK_BB(gwi_oper_end(gwi, "@=>", ObjectAssign))
   CHECK_BB(gwi_oper_ini(gwi, "Object", "Object", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_eq,  EqObject))
-  CHECK_BB(gwi_oper_end(gwi, op_ne, NeqObject))
+  CHECK_BB(gwi_oper_end(gwi, "==",  EqObject))
+  CHECK_BB(gwi_oper_end(gwi, "!=", NeqObject))
   CHECK_BB(gwi_oper_add(gwi, opck_object_cast))
   CHECK_BB(gwi_oper_emi(gwi, opem_basic_cast))
-  CHECK_BB(gwi_oper_end(gwi, op_cast, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "$", NULL))
   CHECK_BB(gwi_oper_ini(gwi, "@null", "Object", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_eq,  EqObject))
-  CHECK_BB(gwi_oper_end(gwi, op_ne, NeqObject))
+  CHECK_BB(gwi_oper_end(gwi, "==",  EqObject))
+  CHECK_BB(gwi_oper_end(gwi, "!=", NeqObject))
   CHECK_BB(gwi_oper_add(gwi, opck_basic_cast))
   CHECK_BB(gwi_oper_emi(gwi, opem_basic_cast))
-  CHECK_BB(gwi_oper_end(gwi, op_cast, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "$", NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_implicit_null2obj))
-  CHECK_BB(gwi_oper_end(gwi, op_impl, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "@implicit", NULL))
   CHECK_BB(gwi_oper_ini(gwi, "Object", "@null", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_eq, EqObject))
-  CHECK_BB(gwi_oper_end(gwi, op_ne, NeqObject))
+  CHECK_BB(gwi_oper_end(gwi, "==", EqObject))
+  CHECK_BB(gwi_oper_end(gwi, "!=", NeqObject))
   CHECK_BB(gwi_oper_ini(gwi, NULL, "Object", "int"))
   CHECK_BB(gwi_oper_add(gwi, opck_unary_meta2))
-  CHECK_BB(gwi_oper_end(gwi, op_not, IntNot))
+  CHECK_BB(gwi_oper_end(gwi, "!", IntNot))
   gwi_item_ini(gwi, "@null", "null");
   gwi_item_end(gwi, 0, NULL);
   gwi_reserve(gwi, "this");
diff --git a/src/lib/opfunc.c b/src/lib/opfunc.c
index 9175a4f4..3f2f7522 100644
--- a/src/lib/opfunc.c
+++ b/src/lib/opfunc.c
@@ -31,7 +31,7 @@ OP_CHECK(opck_const_rhs) {
   if(bin->rhs->meta != ae_meta_var)
     ERR_N(bin->rhs->pos, _("cannot assign '%s' on types '%s' and '%s'.\n"
          "  ...  (reason: --- right-side operand is %s.)"),
-         op2str(bin->op), bin->lhs->type->name, bin->rhs->type->name,
+         s_name(bin->op), bin->lhs->type->name, bin->rhs->type->name,
          access(bin->rhs->meta))
   return bin->rhs->type;
 }
@@ -67,7 +67,7 @@ OP_CHECK(opck_unary_meta2_uniq) {
   CHECK_OO(opck_unary_meta2(env, data, mut))
   if(unary->exp->next)
     ERR_N(exp_self(unary)->pos,
-      _("'%s' must be applied to a unique expression"), op2str(unary->op))
+      _("'%s' must be applied to a unique expression"), s_name(unary->op))
   return t_int;
 }
 
@@ -76,7 +76,7 @@ OP_CHECK(opck_unary) {
   if(unary->exp->meta != ae_meta_var)
     ERR_N(unary->exp->pos,
           _("unary operator '%s' cannot be used on %s data-types."),
-          op2str(unary->op), access(unary->exp->meta))
+          s_name(unary->op), access(unary->exp->meta))
   unary->exp->emit_var = 1;
   exp_self(unary)->meta = ae_meta_value;
   return unary->exp->type;
@@ -86,7 +86,7 @@ OP_CHECK(opck_post) {
   const Exp_Postfix* post = (Exp_Postfix*)data;
   if(post->exp->meta != ae_meta_var)
     ERR_N(post->exp->pos, _("post operator '%s' cannot be used on %s data-type."),
-          op2str(post->op), access(post->exp->meta))
+          s_name(post->op), access(post->exp->meta))
   post->exp->emit_var = 1;
   exp_self(post)->meta = ae_meta_value;
   return post->exp->type;
diff --git a/src/lib/prim.c b/src/lib/prim.c
index 24e30591..2a6f973c 100644
--- a/src/lib/prim.c
+++ b/src/lib/prim.c
@@ -19,57 +19,57 @@
 
 GWION_IMPORT(int_op) {
   CHECK_BB(gwi_oper_ini(gwi, "int", "int", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_add, int_plus))
-  CHECK_BB(gwi_oper_end(gwi, op_sub, int_minus))
-  CHECK_BB(gwi_oper_end(gwi, op_mul, int_mul))
-  CHECK_BB(gwi_oper_end(gwi, op_div, int_div))
-  return   gwi_oper_end(gwi, op_mod, int_modulo);
+  CHECK_BB(gwi_oper_end(gwi, "+", int_plus))
+  CHECK_BB(gwi_oper_end(gwi, "-", int_minus))
+  CHECK_BB(gwi_oper_end(gwi, "*", int_mul))
+  CHECK_BB(gwi_oper_end(gwi, "/", int_div))
+  return   gwi_oper_end(gwi, "%", int_modulo);
 }
 
 static GWION_IMPORT(int_logical) {
-  CHECK_BB(gwi_oper_end(gwi, op_and,  int_and))
-  CHECK_BB(gwi_oper_end(gwi, op_or,   int_or))
-  CHECK_BB(gwi_oper_end(gwi, op_eq,   int_eq))
-  CHECK_BB(gwi_oper_end(gwi, op_ne,   int_neq))
-  CHECK_BB(gwi_oper_end(gwi, op_gt,   int_gt))
-  CHECK_BB(gwi_oper_end(gwi, op_ge,   int_ge))
-  CHECK_BB(gwi_oper_end(gwi, op_lt,   int_lt))
-  CHECK_BB(gwi_oper_end(gwi, op_le,   int_le))
-  CHECK_BB(gwi_oper_end(gwi, op_shr,  int_sr))
-  CHECK_BB(gwi_oper_end(gwi, op_shl,  int_sl))
-  CHECK_BB(gwi_oper_end(gwi, op_sand, int_sand))
-  CHECK_BB(gwi_oper_end(gwi, op_sor,  int_sor))
-  return   gwi_oper_end(gwi, op_sxor, int_xor);
+  CHECK_BB(gwi_oper_end(gwi, "&&",  int_and))
+  CHECK_BB(gwi_oper_end(gwi, "||",   int_or))
+  CHECK_BB(gwi_oper_end(gwi, "==",   int_eq))
+  CHECK_BB(gwi_oper_end(gwi, "!=",   int_neq))
+  CHECK_BB(gwi_oper_end(gwi, ">",   int_gt))
+  CHECK_BB(gwi_oper_end(gwi, ">=",   int_ge))
+  CHECK_BB(gwi_oper_end(gwi, "<",   int_lt))
+  CHECK_BB(gwi_oper_end(gwi, "<=",   int_le))
+  CHECK_BB(gwi_oper_end(gwi, ">>",  int_sr))
+  CHECK_BB(gwi_oper_end(gwi, "<<",  int_sl))
+  CHECK_BB(gwi_oper_end(gwi, "&", int_sand))
+  CHECK_BB(gwi_oper_end(gwi, "|",  int_sor))
+  return   gwi_oper_end(gwi, "^", int_xor);
 }
 
 static GWION_IMPORT(int_r) {
-  CHECK_OP(chuck, rassign, r_assign)
-  CHECK_OP(radd,  rassign, r_plus)
-  CHECK_OP(rsub,  rassign, r_minus)
-  CHECK_OP(rmul,  rassign, r_mul)
-  CHECK_OP(rdiv,  rassign, r_div)
-  CHECK_OP(rmod,  rassign, r_modulo)
-  CHECK_OP(rsl,   rassign, r_sl)
-  CHECK_OP(rsr,   rassign, r_sr)
-  CHECK_OP(rsand, rassign, r_sand)
-  CHECK_OP(rsor,  rassign, r_sor)
-  CHECK_OP(rsxor, rassign, r_sxor)
+  CHECK_OP("=>", rassign, r_assign)
+  CHECK_OP("+=>",  rassign, r_plus)
+  CHECK_OP("-=>",  rassign, r_minus)
+  CHECK_OP("*=>",  rassign, r_mul)
+  CHECK_OP("/=>",  rassign, r_div)
+  CHECK_OP("%=>",  rassign, r_modulo)
+  CHECK_OP("<<=>",   rassign, r_sl)
+  CHECK_OP(">>=>",   rassign, r_sr)
+  CHECK_OP("&=>", rassign, r_sand)
+  CHECK_OP("|=>",  rassign, r_sor)
+  CHECK_OP("^=>", rassign, r_sxor)
   return GW_OK;
 }
 
 static GWION_IMPORT(int_unary) {
   CHECK_BB(gwi_oper_ini(gwi, NULL, "int", "int"))
   CHECK_BB(gwi_oper_add(gwi,  opck_unary_meta))
-  CHECK_BB(gwi_oper_end(gwi,  op_sub,       int_negate))
+  CHECK_BB(gwi_oper_end(gwi,  "-",       int_negate))
   CHECK_BB(gwi_oper_add(gwi,  opck_unary_meta2_uniq))
-  CHECK_BB(gwi_oper_end(gwi,  op_not, IntNot))
-  CHECK_OP(inc, unary, pre_inc)
-  CHECK_OP(dec, unary, pre_dec)
-  CHECK_BB(gwi_oper_end(gwi,  op_cmp, int_cmp))
+  CHECK_BB(gwi_oper_end(gwi,  "!", IntNot))
+  CHECK_OP("++", unary, pre_inc)
+  CHECK_OP("--", unary, pre_dec)
+  CHECK_BB(gwi_oper_end(gwi,  "~", int_cmp))
   CHECK_BB(gwi_oper_ini(gwi, "int", NULL, "int"))
-  CHECK_OP(inc, post, post_inc)
+  CHECK_OP("++", post, post_inc)
   CHECK_BB(gwi_oper_add(gwi, opck_post))
-  CHECK_BB(gwi_oper_end(gwi, op_dec, int_post_dec))
+  CHECK_BB(gwi_oper_end(gwi, "--", int_post_dec))
   return GW_OK;
 }
 
@@ -160,125 +160,125 @@ static OP_EMIT(opem_f2i) {
 
 static GWION_IMPORT(intfloat) {
   CHECK_BB(gwi_oper_ini(gwi, "int", "float", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_and,           int_float_and))
-  CHECK_BB(gwi_oper_end(gwi, op_or,            int_float_or))
-  CHECK_BB(gwi_oper_end(gwi, op_eq, 			 int_float_eq))
-  CHECK_BB(gwi_oper_end(gwi, op_ne, 			 int_float_neq))
-  CHECK_BB(gwi_oper_end(gwi, op_gt, 			 int_float_gt))
-  CHECK_BB(gwi_oper_end(gwi, op_ge, 			 int_float_ge))
-  CHECK_BB(gwi_oper_end(gwi, op_lt, 			 int_float_lt))
-  CHECK_BB(gwi_oper_end(gwi, op_le, 			 int_float_le))
+  CHECK_BB(gwi_oper_end(gwi, "&&",           int_float_and))
+  CHECK_BB(gwi_oper_end(gwi, "||",            int_float_or))
+  CHECK_BB(gwi_oper_end(gwi, "==", 			 int_float_eq))
+  CHECK_BB(gwi_oper_end(gwi, "!=", 			 int_float_neq))
+  CHECK_BB(gwi_oper_end(gwi, ">", 			 int_float_gt))
+  CHECK_BB(gwi_oper_end(gwi, ">=", 			 int_float_ge))
+  CHECK_BB(gwi_oper_end(gwi, "<", 			 int_float_lt))
+  CHECK_BB(gwi_oper_end(gwi, "<=", 			 int_float_le))
   CHECK_BB(gwi_oper_ini(gwi, "int", "float", "float"))
-  CHECK_BB(gwi_oper_end(gwi, op_add,          int_float_plus))
-  CHECK_BB(gwi_oper_end(gwi, op_mul,         int_float_mul))
-  CHECK_BB(gwi_oper_end(gwi, op_sub,         int_float_minus))
-  CHECK_BB(gwi_oper_end(gwi, op_div,        int_float_div))
-  CHECK_IF(chuck, rassign, r_assign)
-  CHECK_IF(radd, rassign, r_plus)
-  CHECK_IF(rsub, rassign, r_minus)
-  CHECK_IF(rmul, rassign, r_mul)
-  CHECK_IF(rdiv, rassign, r_div)
+  CHECK_BB(gwi_oper_end(gwi, "+",          int_float_plus))
+  CHECK_BB(gwi_oper_end(gwi, "*",         int_float_mul))
+  CHECK_BB(gwi_oper_end(gwi, "-",         int_float_minus))
+  CHECK_BB(gwi_oper_end(gwi, "/",        int_float_div))
+  CHECK_IF("=>", rassign, r_assign)
+  CHECK_IF("+=>", rassign, r_plus)
+  CHECK_IF("-=>", rassign, r_minus)
+  CHECK_IF("*=>", rassign, r_mul)
+  CHECK_IF("/=>", rassign, r_div)
   CHECK_BB(gwi_oper_emi(gwi, opem_i2f))
-  _CHECK_OP(cast, basic_cast, CastI2F)
-  _CHECK_OP(impl, implicit_i2f, CastI2F)
+  _CHECK_OP("$", basic_cast, CastI2F)
+  _CHECK_OP("@implicit", implicit_i2f, CastI2F)
   return GW_OK;
 }
 
 static GWION_IMPORT(floatint) {
   CHECK_BB(gwi_oper_ini(gwi, "float", "int", "float"))
-  CHECK_BB(gwi_oper_end(gwi, op_add,         float_int_plus))
-  CHECK_BB(gwi_oper_end(gwi, op_sub,        float_int_minus))
-  CHECK_BB(gwi_oper_end(gwi, op_mul,        float_int_mul))
-  CHECK_BB(gwi_oper_end(gwi, op_div,       float_int_div))
+  CHECK_BB(gwi_oper_end(gwi, "+",         float_int_plus))
+  CHECK_BB(gwi_oper_end(gwi, "-",        float_int_minus))
+  CHECK_BB(gwi_oper_end(gwi, "*",        float_int_mul))
+  CHECK_BB(gwi_oper_end(gwi, "/",       float_int_div))
   CHECK_BB(gwi_oper_ini(gwi, "float", "int", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_and,          float_int_and))
-  CHECK_BB(gwi_oper_end(gwi, op_or,           float_int_or))
-  CHECK_BB(gwi_oper_end(gwi, op_eq, 			float_int_eq))
-  CHECK_BB(gwi_oper_end(gwi, op_ne, 			float_int_neq))
-  CHECK_BB(gwi_oper_end(gwi, op_gt, 			float_int_gt))
-  CHECK_BB(gwi_oper_end(gwi, op_ge, 			float_int_ge))
-  CHECK_BB(gwi_oper_end(gwi, op_lt, 			float_int_lt))
-  CHECK_BB(gwi_oper_end(gwi, op_le, 			float_int_le))
-  CHECK_FI(chuck, rassign, r_assign)
-  CHECK_FI(radd, rassign, r_plus)
-  CHECK_FI(rsub, rassign, r_minus)
-  CHECK_FI(rmul, rassign, r_mul)
-  CHECK_FI(rdiv, rassign, r_div)
+  CHECK_BB(gwi_oper_end(gwi, "&&",          float_int_and))
+  CHECK_BB(gwi_oper_end(gwi, "||",           float_int_or))
+  CHECK_BB(gwi_oper_end(gwi, "==", 			float_int_eq))
+  CHECK_BB(gwi_oper_end(gwi, "!=", 			float_int_neq))
+  CHECK_BB(gwi_oper_end(gwi, ">", 			float_int_gt))
+  CHECK_BB(gwi_oper_end(gwi, ">=", 			float_int_ge))
+  CHECK_BB(gwi_oper_end(gwi, "<", 			float_int_lt))
+  CHECK_BB(gwi_oper_end(gwi, "<=", 			float_int_le))
+  CHECK_FI("=>", rassign, r_assign)
+  CHECK_FI("+=>", rassign, r_plus)
+  CHECK_FI("-=>", rassign, r_minus)
+  CHECK_FI("*=>", rassign, r_mul)
+  CHECK_FI("/=>", rassign, r_div)
   CHECK_BB(gwi_oper_emi(gwi, opem_f2i))
-  _CHECK_OP(cast, basic_cast, CastF2I)
-  _CHECK_OP(impl, implicit_f2i, CastF2I)
+  _CHECK_OP("$", basic_cast, CastF2I)
+  _CHECK_OP("@implicit", implicit_f2i, CastF2I)
   return GW_OK;
 }
 
 static GWION_IMPORT(dur) {
   CHECK_BB(gwi_oper_ini(gwi, "dur", "dur", "dur"))
-  CHECK_FF(chuck, rassign, r_assign)
-  CHECK_BB(gwi_oper_end(gwi, op_add,         FloatPlus))
-  CHECK_BB(gwi_oper_end(gwi, op_sub,        FloatMinus))
-  CHECK_BB(gwi_oper_end(gwi, op_mul,        FloatTimes))
+  CHECK_FF("=>", rassign, r_assign)
+  CHECK_BB(gwi_oper_end(gwi, "+",         FloatPlus))
+  CHECK_BB(gwi_oper_end(gwi, "-",        FloatMinus))
+  CHECK_BB(gwi_oper_end(gwi, "*",        FloatTimes))
   CHECK_BB(gwi_oper_ini(gwi, "dur", "dur", "float"))
-  CHECK_BB(gwi_oper_end(gwi, op_div,       FloatDivide))
+  CHECK_BB(gwi_oper_end(gwi, "/",       FloatDivide))
 
   CHECK_BB(gwi_oper_ini(gwi, "dur", "dur", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_gt,           float_gt))
-  CHECK_BB(gwi_oper_end(gwi, op_ge,           float_ge))
-  CHECK_BB(gwi_oper_end(gwi, op_lt,           float_lt))
-  return gwi_oper_end(gwi, op_le,           float_le);
+  CHECK_BB(gwi_oper_end(gwi, ">",           float_gt))
+  CHECK_BB(gwi_oper_end(gwi, ">=",           float_ge))
+  CHECK_BB(gwi_oper_end(gwi, "<",           float_lt))
+  return gwi_oper_end(gwi, "<=",           float_le);
 }
 
 static GWION_IMPORT(time) {
   CHECK_BB(gwi_oper_ini(gwi, "time", "time", "time"))
-  CHECK_FF(chuck, rassign, r_assign)
+  CHECK_FF("=>", rassign, r_assign)
   CHECK_BB(gwi_oper_ini(gwi, "time", "dur", "time"))
-  CHECK_BB(gwi_oper_end(gwi, op_add,         FloatPlus))
+  CHECK_BB(gwi_oper_end(gwi, "+",         FloatPlus))
   CHECK_BB(gwi_oper_ini(gwi, "dur", "time", "time"))
-  CHECK_FF(chuck, rassign, r_assign)
-  CHECK_BB(gwi_oper_end(gwi, op_add,         FloatPlus))
+  CHECK_FF("=>", rassign, r_assign)
+  CHECK_BB(gwi_oper_end(gwi, "+",         FloatPlus))
   CHECK_BB(gwi_oper_ini(gwi,  "dur",  "@now", "time"))
-  _CHECK_OP(chuck, rhs_emit_var, Time_Advance)
+  _CHECK_OP("=>", rhs_emit_var, Time_Advance)
   CHECK_BB(gwi_oper_ini(gwi,  "@now",  "@now", NULL))
-  _CHECK_OP(chuck, chuck_now, NULL)
+  _CHECK_OP("=>", chuck_now, NULL)
   CHECK_BB(gwi_oper_ini(gwi, NULL, "@now", NULL))
-  CHECK_BB(gwi_oper_end(gwi, op_not, NULL))
+  CHECK_BB(gwi_oper_end(gwi, "!", NULL))
   CHECK_BB(gwi_oper_ini(gwi, "time", "time", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_gt,           float_gt))
-  CHECK_BB(gwi_oper_end(gwi, op_ge, 	      float_ge))
-  CHECK_BB(gwi_oper_end(gwi, op_lt, 		  float_lt))
-  return gwi_oper_end(gwi, op_le,           float_le);
+  CHECK_BB(gwi_oper_end(gwi, ">",           float_gt))
+  CHECK_BB(gwi_oper_end(gwi, ">=", 	      float_ge))
+  CHECK_BB(gwi_oper_end(gwi, "<", 		  float_lt))
+  return gwi_oper_end(gwi, "<=",           float_le);
 }
 
 static GWION_IMPORT(float) {
   CHECK_BB(gwi_oper_ini(gwi, "float", "float", "float"))
-  CHECK_BB(gwi_oper_end(gwi, op_add,          FloatPlus))
-  CHECK_BB(gwi_oper_end(gwi, op_sub,         FloatMinus))
-  CHECK_BB(gwi_oper_end(gwi, op_mul,         FloatTimes))
-  CHECK_BB(gwi_oper_end(gwi, op_div,        FloatDivide))
-  CHECK_FF(chuck, rassign, r_assign)
-  CHECK_FF(radd, rassign, r_plus)
-  CHECK_FF(rsub, rassign, r_minus)
-  CHECK_FF(rmul, rassign, r_mul)
-  CHECK_FF(rdiv, rassign, r_div)
+  CHECK_BB(gwi_oper_end(gwi, "+",          FloatPlus))
+  CHECK_BB(gwi_oper_end(gwi, "-",         FloatMinus))
+  CHECK_BB(gwi_oper_end(gwi, "*",         FloatTimes))
+  CHECK_BB(gwi_oper_end(gwi, "/",        FloatDivide))
+  CHECK_FF("=>", rassign, r_assign)
+  CHECK_FF("+=>", rassign, r_plus)
+  CHECK_FF("-=>", rassign, r_minus)
+  CHECK_FF("*=>", rassign, r_mul)
+  CHECK_FF("/=>", rassign, r_div)
   CHECK_BB(gwi_oper_ini(gwi, "float", "float", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_and,           float_and))
-  CHECK_BB(gwi_oper_end(gwi, op_or,            float_or))
-  CHECK_BB(gwi_oper_end(gwi, op_eq, 			 float_eq))
-  CHECK_BB(gwi_oper_end(gwi, op_ne, 			 float_neq))
-  CHECK_BB(gwi_oper_end(gwi, op_gt, 			 float_gt))
-  CHECK_BB(gwi_oper_end(gwi, op_ge, 			 float_ge))
-  CHECK_BB(gwi_oper_end(gwi, op_lt, 			 float_lt))
-  CHECK_BB(gwi_oper_end(gwi, op_le, 			 float_le))
+  CHECK_BB(gwi_oper_end(gwi, "&&",           float_and))
+  CHECK_BB(gwi_oper_end(gwi, "||",            float_or))
+  CHECK_BB(gwi_oper_end(gwi, "==", 			 float_eq))
+  CHECK_BB(gwi_oper_end(gwi, "!=", 			 float_neq))
+  CHECK_BB(gwi_oper_end(gwi, ">", 			 float_gt))
+  CHECK_BB(gwi_oper_end(gwi, ">=", 			 float_ge))
+  CHECK_BB(gwi_oper_end(gwi, "<", 			 float_lt))
+  CHECK_BB(gwi_oper_end(gwi, "<=", 			 float_le))
   CHECK_BB(gwi_oper_ini(gwi, NULL,   "float", "float"))
-  CHECK_FF(sub, unary_meta, negate)
+  CHECK_FF("-", unary_meta, negate)
   CHECK_BB(gwi_oper_ini(gwi, NULL,   "float", "int"))
-  CHECK_FF(not, unary_meta2_uniq, not)
+  CHECK_FF("!", unary_meta2_uniq, not)
   CHECK_BB(gwi_oper_ini(gwi, NULL,   "time", "int"))
-  CHECK_FF(not, unary_meta2_uniq, not)
+  CHECK_FF("!", unary_meta2_uniq, not)
   CHECK_BB(gwi_oper_ini(gwi, NULL,   "dur", "int"))
-  CHECK_FF(not, unary_meta2_uniq, not)
+  CHECK_FF("!", unary_meta2_uniq, not)
   CHECK_BB(gwi_oper_ini(gwi, "int", "dur", "dur"))
-  CHECK_BB(gwi_oper_end(gwi, op_coloncolon,         int_float_mul))
+  CHECK_BB(gwi_oper_end(gwi, "::",         int_float_mul))
   CHECK_BB(gwi_oper_ini(gwi, "float", "dur", "dur"))
-  CHECK_BB(gwi_oper_end(gwi, op_coloncolon,         FloatTimes))
+  CHECK_BB(gwi_oper_end(gwi, "::",         FloatTimes))
   return GW_OK;
 }
 
diff --git a/src/lib/ptr.c b/src/lib/ptr.c
index f6e1fc42..ffe626ed 100644
--- a/src/lib/ptr.c
+++ b/src/lib/ptr.c
@@ -85,12 +85,12 @@ GWION_IMPORT(ptr) {
   CHECK_BB(gwi_class_end(gwi))
   CHECK_BB(gwi_oper_ini(gwi, (m_str)OP_ANY_TYPE, "Ptr", NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_ptr_assign))
-  CHECK_BB(gwi_oper_end(gwi, op_trig, instr_ptr_assign))
+  CHECK_BB(gwi_oper_end(gwi, "]=>", instr_ptr_assign))
   CHECK_BB(gwi_oper_add(gwi, opck_implicit_ptr))
-  CHECK_BB(gwi_oper_end(gwi, op_impl, Cast2Ptr))
+  CHECK_BB(gwi_oper_end(gwi, "@implicit", Cast2Ptr))
   CHECK_BB(gwi_oper_ini(gwi, NULL, "Ptr", NULL))
   CHECK_BB(gwi_oper_add(gwi, opck_ptr_deref))
   CHECK_BB(gwi_oper_emi(gwi, opem_ptr_deref))
-  CHECK_BB(gwi_oper_end(gwi, op_mul, instr_ptr_deref))
+  CHECK_BB(gwi_oper_end(gwi, "*", instr_ptr_deref))
   return GW_OK;
 }
diff --git a/src/lib/string.c b/src/lib/string.c
index 3426d745..578e7108 100644
--- a/src/lib/string.c
+++ b/src/lib/string.c
@@ -179,70 +179,70 @@ GWION_IMPORT(string) {
 
   CHECK_BB(gwi_oper_ini(gwi, "string",  "string", "string"))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,      String_Assign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,       String_String))
+  CHECK_BB(gwi_oper_end(gwi, "=>",      String_Assign))
+  CHECK_BB(gwi_oper_end(gwi, "+",       String_String))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_radd, String_Plus))
+  CHECK_BB(gwi_oper_end(gwi, "+=>", String_Plus))
 
   CHECK_BB(gwi_oper_ini(gwi, "string",  "string", "int"))
-  CHECK_BB(gwi_oper_end(gwi, op_eq,       String_eq))
-  CHECK_BB(gwi_oper_end(gwi, op_ne,       String_neq))
+  CHECK_BB(gwi_oper_end(gwi, "==",       String_eq))
+  CHECK_BB(gwi_oper_end(gwi, "!=",       String_neq))
 
   CHECK_BB(gwi_oper_ini(gwi, "int",     "string", "string"))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,      Int_String_Assign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,       Int_String))
+  CHECK_BB(gwi_oper_end(gwi, "=>",      Int_String_Assign))
+  CHECK_BB(gwi_oper_end(gwi, "+",       Int_String))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_radd, Int_String_Plus))
+  CHECK_BB(gwi_oper_end(gwi, "+=>", Int_String_Plus))
 
   CHECK_BB(gwi_oper_ini(gwi, "float",   "string", "string"))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,      Float_String_Assign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,       Float_String))
+  CHECK_BB(gwi_oper_end(gwi, "=>",      Float_String_Assign))
+  CHECK_BB(gwi_oper_end(gwi, "+",       Float_String))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_radd, Float_String_Plus))
+  CHECK_BB(gwi_oper_end(gwi, "+=>", Float_String_Plus))
 
   CHECK_BB(gwi_oper_ini(gwi, "complex", "string", "string"))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,      Complex_String_Assign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,       Complex_String))
+  CHECK_BB(gwi_oper_end(gwi, "=>",      Complex_String_Assign))
+  CHECK_BB(gwi_oper_end(gwi, "+",       Complex_String))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_radd, Complex_String_Plus))
+  CHECK_BB(gwi_oper_end(gwi, "+=>", Complex_String_Plus))
 
   CHECK_BB(gwi_oper_ini(gwi, "polar",   "string", "string"))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,      Polar_String_Assign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,       Polar_String))
+  CHECK_BB(gwi_oper_end(gwi, "=>",      Polar_String_Assign))
+  CHECK_BB(gwi_oper_end(gwi, "+",       Polar_String))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_radd, Polar_String_Plus))
+  CHECK_BB(gwi_oper_end(gwi, "+=>", Polar_String_Plus))
 
   CHECK_BB(gwi_oper_ini(gwi,"Vec3",     "string", "string"))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,      Vec3_String_Assign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,       Vec3_String))
+  CHECK_BB(gwi_oper_end(gwi, "=>",      Vec3_String_Assign))
+  CHECK_BB(gwi_oper_end(gwi, "+",       Vec3_String))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_radd, Vec3_String_Plus))
+  CHECK_BB(gwi_oper_end(gwi, "+=>", Vec3_String_Plus))
 
   CHECK_BB(gwi_oper_ini(gwi, "Vec4",    "string", "string"))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,      Vec4_String_Assign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,       Vec4_String))
+  CHECK_BB(gwi_oper_end(gwi, "=>",      Vec4_String_Assign))
+  CHECK_BB(gwi_oper_end(gwi, "+",       Vec4_String))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_radd, Vec4_String_Plus))
+  CHECK_BB(gwi_oper_end(gwi, "+=>", Vec4_String_Plus))
 
   CHECK_BB(gwi_oper_ini(gwi, "Object",  "string", "string"))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,      Object_String_Assign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,       Object_String))
+  CHECK_BB(gwi_oper_end(gwi, "=>",      Object_String_Assign))
+  CHECK_BB(gwi_oper_end(gwi, "+",       Object_String))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_radd, Object_String_Plus))
+  CHECK_BB(gwi_oper_end(gwi, "+=>", Object_String_Plus))
 
   CHECK_BB(gwi_oper_ini(gwi, "@null",   "string", "string"))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck,      Object_String_Assign))
-  CHECK_BB(gwi_oper_end(gwi, op_add,       Object_String))
+  CHECK_BB(gwi_oper_end(gwi, "=>",      Object_String_Assign))
+  CHECK_BB(gwi_oper_end(gwi, "+",       Object_String))
   CHECK_BB(gwi_oper_add(gwi, opck_const_rhs))
-  CHECK_BB(gwi_oper_end(gwi, op_radd, Object_String_Plus))
+  CHECK_BB(gwi_oper_end(gwi, "+=>", Object_String_Plus))
 
   gwi_item_ini(gwi, "string", "__func__");
   gwi_item_end(gwi, ae_flag_const, NULL);
diff --git a/src/lib/ugen.c b/src/lib/ugen.c
index dc1cfdb6..582670f1 100644
--- a/src/lib/ugen.c
+++ b/src/lib/ugen.c
@@ -355,9 +355,9 @@ GWION_IMPORT(ugen) {
   CHECK_BB(gwi_class_end(gwi))
 
   CHECK_BB(gwi_oper_ini(gwi, "UGen", "UGen", "UGen"))
-  _CHECK_OP(chuck, chuck_ugen, UgenConnect)
-  _CHECK_OP(unchuck, chuck_ugen, UgenDisconnect)
-  _CHECK_OP(trig, chuck_ugen, TrigConnect)
-  _CHECK_OP(untrig, chuck_ugen, TrigDisconnect)
+  _CHECK_OP("=>", chuck_ugen, UgenConnect)
+  _CHECK_OP("=<", chuck_ugen, UgenDisconnect)
+  _CHECK_OP("]=>", chuck_ugen, TrigConnect)
+  _CHECK_OP("}=<", chuck_ugen, TrigDisconnect)
   return import_global_ugens(gwi);
 }
diff --git a/src/lib/vararg.c b/src/lib/vararg.c
index 67c3613b..b5c5cc2b 100644
--- a/src/lib/vararg.c
+++ b/src/lib/vararg.c
@@ -108,10 +108,10 @@ GWION_IMPORT(vararg) {
   CHECK_BB(gwi_class_end(gwi))
   CHECK_BB(gwi_oper_ini(gwi, "VarObject", "Object", NULL))
   CHECK_BB(gwi_oper_add(gwi, at_varobj))
-  CHECK_BB(gwi_oper_end(gwi, op_ref, VarargAssign))
+  CHECK_BB(gwi_oper_end(gwi, "@=>", VarargAssign))
   CHECK_BB(gwi_oper_ini(gwi, "Object", "VarObject", NULL))
   CHECK_BB(gwi_oper_add(gwi, at_varobj))
-  CHECK_BB(gwi_oper_end(gwi, op_ref, VarargAssign))
+  CHECK_BB(gwi_oper_end(gwi, "@=>", VarargAssign))
   register_freearg(gwi, VarargIni, freearg_vararg);
   gwi_reserve(gwi, "vararg");
   return GW_OK;
diff --git a/src/lib/vec.c b/src/lib/vec.c
index 4b37423c..1bf4a484 100644
--- a/src/lib/vec.c
+++ b/src/lib/vec.c
@@ -197,22 +197,22 @@ GWION_IMPORT(vec3) {
   CHECK_BB(gwi_class_end(gwi))
 
   CHECK_BB(gwi_oper_ini(gwi, "Vec3", "Vec3", "Vec3"))
-  CHECK_BB(gwi_oper_end(gwi, op_add, Vec3Add))
-  CHECK_BB(gwi_oper_end(gwi, op_sub, Vec3Sub))
-  CHECK_BB(gwi_oper_end(gwi, op_mul, Vec3Mul))
-  CHECK_BB(gwi_oper_end(gwi, op_div, Vec3Div))
+  CHECK_BB(gwi_oper_end(gwi, "+", Vec3Add))
+  CHECK_BB(gwi_oper_end(gwi, "-", Vec3Sub))
+  CHECK_BB(gwi_oper_end(gwi, "*", Vec3Mul))
+  CHECK_BB(gwi_oper_end(gwi, "/", Vec3Div))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck, Vec3RAssign))
+  CHECK_BB(gwi_oper_end(gwi, "=>", Vec3RAssign))
   CHECK_BB(gwi_oper_ini(gwi, "Vec3", "float", "Vec3"))
-  CHECK_BB(gwi_oper_end(gwi, op_add,  Vec3AddFloat))
-  CHECK_BB(gwi_oper_end(gwi, op_sub, Vec3SubFloat))
-  CHECK_BB(gwi_oper_end(gwi, op_mul,  Vec3MulFloat))
-  CHECK_BB(gwi_oper_end(gwi, op_div, Vec3DivFloat))
+  CHECK_BB(gwi_oper_end(gwi, "+",  Vec3AddFloat))
+  CHECK_BB(gwi_oper_end(gwi, "-", Vec3SubFloat))
+  CHECK_BB(gwi_oper_end(gwi, "*",  Vec3MulFloat))
+  CHECK_BB(gwi_oper_end(gwi, "/", Vec3DivFloat))
   CHECK_BB(gwi_oper_ini(gwi, "float", "Vec3", "Vec3"))
-  CHECK_BB(gwi_oper_end(gwi, op_add,  FloatAddVec3))
-  CHECK_BB(gwi_oper_end(gwi, op_sub,  FloatSubVec3))
-  CHECK_BB(gwi_oper_end(gwi, op_mul,  FloatMulVec3))
-  CHECK_BB(gwi_oper_end(gwi, op_div,  FloatDivVec3))
+  CHECK_BB(gwi_oper_end(gwi, "+",  FloatAddVec3))
+  CHECK_BB(gwi_oper_end(gwi, "-",  FloatSubVec3))
+  CHECK_BB(gwi_oper_end(gwi, "*",  FloatMulVec3))
+  CHECK_BB(gwi_oper_end(gwi, "/",  FloatDivVec3))
   return GW_OK;
 }
 
@@ -315,20 +315,20 @@ GWION_IMPORT(vec4) {
   CHECK_BB(gwi_func_end(gwi, 0))
   CHECK_BB(gwi_class_end(gwi))
   CHECK_BB(gwi_oper_ini(gwi, "Vec4", "Vec4", "Vec4"))
-  CHECK_BB(gwi_oper_end(gwi, op_add,  Vec4Add))
-  CHECK_BB(gwi_oper_end(gwi, op_sub, Vec4Sub))
-  CHECK_BB(gwi_oper_end(gwi, op_mul, Vec4Mul))
-  CHECK_BB(gwi_oper_end(gwi, op_div, Vec4Div))
+  CHECK_BB(gwi_oper_end(gwi, "+",  Vec4Add))
+  CHECK_BB(gwi_oper_end(gwi, "-", Vec4Sub))
+  CHECK_BB(gwi_oper_end(gwi, "*", Vec4Mul))
+  CHECK_BB(gwi_oper_end(gwi, "/", Vec4Div))
   CHECK_BB(gwi_oper_add(gwi, opck_rassign))
-  CHECK_BB(gwi_oper_end(gwi, op_chuck, Vec4RAssign))
+  CHECK_BB(gwi_oper_end(gwi, "=>", Vec4RAssign))
   CHECK_BB(gwi_oper_ini(gwi, "Vec4", "float", "Vec4"))
-  CHECK_BB(gwi_oper_end(gwi, op_add, Vec4AddFloat))
-  CHECK_BB(gwi_oper_end(gwi, op_sub, Vec4SubFloat))
-  CHECK_BB(gwi_oper_end(gwi, op_mul, Vec4MulFloat))
-  CHECK_BB(gwi_oper_end(gwi, op_div, Vec4DivFloat))
+  CHECK_BB(gwi_oper_end(gwi, "+", Vec4AddFloat))
+  CHECK_BB(gwi_oper_end(gwi, "-", Vec4SubFloat))
+  CHECK_BB(gwi_oper_end(gwi, "*", Vec4MulFloat))
+  CHECK_BB(gwi_oper_end(gwi, "/", Vec4DivFloat))
   CHECK_BB(gwi_oper_ini(gwi, "float", "Vec4", "Vec4"))
-  CHECK_BB(gwi_oper_end(gwi, op_add, FloatAddVec4))
-  CHECK_BB(gwi_oper_end(gwi, op_sub, FloatSubVec4))
-  CHECK_BB(gwi_oper_end(gwi, op_mul, FloatMulVec4))
-  return (m_bool)gwi_oper_end(gwi, op_div, FloatDivVec4);
+  CHECK_BB(gwi_oper_end(gwi, "+", FloatAddVec4))
+  CHECK_BB(gwi_oper_end(gwi, "-", FloatSubVec4))
+  CHECK_BB(gwi_oper_end(gwi, "*", FloatMulVec4))
+  return (m_bool)gwi_oper_end(gwi, "/", FloatDivVec4);
 }
diff --git a/src/parse/check.c b/src/parse/check.c
index 1f860e96..e9e1b89d 100644
--- a/src/parse/check.c
+++ b/src/parse/check.c
@@ -348,7 +348,7 @@ ANN static m_bool func_match_inner(const Env env, const Exp e, const Type t,
       }
       if(implicit) {
         const struct Implicit imp = { e, t };
-        struct Op_Import opi = { .op=op_impl, .lhs=e->type, .rhs=t, .data=(m_uint)&imp, .pos=e->pos };
+        struct Op_Import opi = { .op=insert_symbol("@implicit"), .lhs=e->type, .rhs=t, .data=(m_uint)&imp, .pos=e->pos };
       return op_check(env, &opi) ? 1 : -1;
     }
   }
@@ -660,7 +660,7 @@ ANN Type check_exp_call1(const Env env, const Exp_Call *exp) {
 }
 
 ANN static Type check_exp_binary(const Env env, const Exp_Binary* bin) {
-  if(bin->lhs->exp_type == ae_exp_unary && bin->lhs->d.exp_unary.op == op_fork &&
+  if(bin->lhs->exp_type == ae_exp_unary && bin->lhs->d.exp_unary.op == insert_symbol("fork") &&
        bin->rhs->exp_type == ae_exp_decl)
      bin->lhs->d.exp_unary.fork_ok = 1;
   CHECK_OO(check_exp(env, bin->lhs))
@@ -675,7 +675,7 @@ ANN static Type check_exp_binary(const Env env, const Exp_Binary* bin) {
 ANN static Type check_exp_cast(const Env env, const Exp_Cast* cast) {
   DECL_OO(const Type, t, = check_exp(env, cast->exp))
   CHECK_OO((exp_self(cast)->type = cast->td->xid ? known_type(env, cast->td) : check_td(env, cast->td)))
-  struct Op_Import opi = { .op=op_cast, .lhs=t, .rhs=exp_self(cast)->type, .data=(uintptr_t)cast, .pos=exp_self(cast)->pos };
+  struct Op_Import opi = { .op=insert_symbol("$"), .lhs=t, .rhs=exp_self(cast)->type, .data=(uintptr_t)cast, .pos=exp_self(cast)->pos };
   return op_check(env, &opi);
 }
 
@@ -1129,8 +1129,7 @@ ANN static void operator_func(const Func f) {
   const m_bool is_unary = GET_FLAG(f->def, unary);
   const Type l = is_unary ? NULL : a->type;
   const Type r = is_unary ? a->type : a->next ? a->next->type : NULL;
-  const Operator op = name2op(s_name(f->def->base->xid));
-  struct Op_Import opi = { .op=op, .lhs=l, .rhs=r, .data=(m_uint)f, .pos=f->def->pos };
+  struct Op_Import opi = { .op=f->def->base->xid, .lhs=l, .rhs=r, .data=(m_uint)f, .pos=f->def->pos };
   operator_set_func(&opi);
 }
 
diff --git a/src/parse/operator.c b/src/parse/operator.c
index c73f5142..6dd1bfdf 100644
--- a/src/parse/operator.c
+++ b/src/parse/operator.c
@@ -100,9 +100,10 @@ ANN static m_bool _op_exist(const struct OpChecker* ock, const Nspc n) {
   const Vector v = (Vector)map_get(&n->info->op_map, (vtype)ock->opi->op);
   if(!v || !operator_find(v, ock->opi->lhs, ock->opi->rhs))
     return GW_OK;
-  env_err(ock->env, ock->opi->pos, _("operator '%s', for type '%s' and '%s' already imported"),
-        op2str(ock->opi->op), ock->opi->lhs ? ock->opi->lhs->name : NULL,
-        ock->opi->rhs ? ock->opi->rhs->name : NULL);
+// TODO: get me back
+//  env_err(ock->env, ock->opi->pos, _("operator '%s', for type '%s' and '%s' already imported"),
+//        s_name(ock->opi->op), ock->opi->lhs ? ock->opi->lhs->name : NULL,
+//        ock->opi->rhs ? ock->opi->rhs->name : NULL);
   return GW_ERROR;
 }
 
@@ -125,17 +126,17 @@ ANN m_bool add_op(const Gwion gwion, const struct Op_Import* opi) {
   return GW_OK;
 }
 
-ANN static void set_nspc(struct Op_Import* opi, const Nspc nspc) {
-  if(opi->op == op_impl)return;
-  if(opi->op == op_cast)
-    ((Exp_Cast*)opi->data)->nspc = nspc;
-  if(opi->lhs) {
-    if(opi->rhs)
-      ((Exp_Binary*)opi->data)->nspc = nspc;
+ANN static void set_nspc(struct OpChecker* ock, const Nspc nspc) {
+  if(ock->opi->op == insert_symbol(ock->env->gwion->st, "@implicit"))return;
+  if(ock->opi->op == insert_symbol(ock->env->gwion->st, "$"))
+    ((Exp_Cast*)ock->opi->data)->nspc = nspc;
+  if(ock->opi->lhs) {
+    if(ock->opi->rhs)
+      ((Exp_Binary*)ock->opi->data)->nspc = nspc;
     else
-      ((Exp_Postfix*)opi->data)->nspc = nspc;
+      ((Exp_Postfix*)ock->opi->data)->nspc = nspc;
   } else
-    ((Exp_Unary*)opi->data)->nspc = nspc;
+    ((Exp_Unary*)ock->opi->data)->nspc = nspc;
 }
 
 ANN static Type op_check_inner(struct OpChecker* ock) {
@@ -171,22 +172,23 @@ ANN Type op_check(const Env env, struct Op_Import* opi) {
           if(ret == t_null)
             break;
           if(!ock.mut)
-            set_nspc(opi, nspc);
+            set_nspc(&ock, nspc);// TODO check me
           return ret;
         }
       } while(l && (l = op_parent(env, l)));
     }
     nspc = nspc->parent;
   } while(nspc);
-  if(opi->op == op_cast || (ret != t_null && opi->op != op_impl))
+  if(opi->op == insert_symbol(env->gwion->st, "$") ||
+        (ret != t_null && opi->op != insert_symbol(env->gwion->st, "@implicit")))
     env_err(env, opi->pos, _("%s %s %s: no match found for operator"),
-    type_name(opi->lhs), op2str(opi->op), type_name(opi->rhs));
+    type_name(opi->lhs), s_name(opi->op), type_name(opi->rhs));
   return NULL;
 }
 
 ANN m_bool operator_set_func(const struct Op_Import* opi) {
   const Nspc nspc = ((Func)opi->data)->value_ref->owner;
-  const Vector v = (Vector)map_get(&nspc->info->op_map, opi->op);
+  const Vector v = (Vector)map_get(&nspc->info->op_map, (vtype)opi->op);
   DECL_OB(M_Operator*, mo, = operator_find(v, opi->lhs, opi->rhs))
   mo->func = (Func)opi->data;
   return GW_OK;
@@ -202,10 +204,10 @@ ANN static m_bool handle_instr(const Emitter emit, const M_Operator* mo) {
   return GW_OK;
 }
 
-ANN static Nspc get_nspc(const struct Op_Import* opi) {
-  if(opi->op == op_impl)
+ANN static Nspc get_nspc(SymTable *st, const struct Op_Import* opi) {
+  if(opi->op == insert_symbol(st, "@implicit"))
     return opi->rhs->e->owner;
-  if(opi->op == op_cast)
+  if(opi->op == insert_symbol(st, "$"))
     return ((Exp_Cast*)opi->data)->nspc;
   if(opi->lhs) {
     if(opi->rhs)
@@ -217,7 +219,7 @@ ANN static Nspc get_nspc(const struct Op_Import* opi) {
 }
 
 ANN m_bool op_emit(const Emitter emit, const struct Op_Import* opi) {
-  Nspc nspc = get_nspc(opi);
+  Nspc nspc = get_nspc(emit->gwion->st, opi);
   do {
     Type l = opi->lhs;
     do {
diff --git a/src/parse/scan1.c b/src/parse/scan1.c
index 8730b02a..9eb17791 100644
--- a/src/parse/scan1.c
+++ b/src/parse/scan1.c
@@ -146,7 +146,7 @@ ANN static m_bool scan1_exp_post(const Env env, const Exp_Postfix* post) {
   if(post->exp->meta == ae_meta_var)
     return GW_OK;
   ERR_B(post->exp->pos, _("post operator '%s' cannot be used"
-      " on non-mutable data-type..."), op2str(post->op));
+      " on non-mutable data-type..."), s_name(post->op));
 }
 
 ANN static m_bool scan1_exp_call(const Env env, const Exp_Call* exp_call) {
@@ -168,7 +168,7 @@ ANN static m_bool scan1_exp_if(const Env env, const Exp_If* exp_if) {
 }
 
 ANN static inline m_bool scan1_exp_unary(const restrict Env env, const Exp_Unary *unary) {
-  if((unary->op == op_spork || unary->op == op_fork) && unary->code)
+  if((unary->op == insert_symbol("spork") || unary->op == insert_symbol("fork")) && unary->code)
     { RET_NSPC(scan1_stmt(env, unary->code)) }
   return unary->exp ? scan1_exp(env, unary->exp) : GW_OK;
 }
diff --git a/src/parse/scan2.c b/src/parse/scan2.c
index 576ac8a9..b4593d14 100644
--- a/src/parse/scan2.c
+++ b/src/parse/scan2.c
@@ -155,10 +155,10 @@ ANN static inline m_bool scan2_exp_array(const Env env, const Exp_Array* array)
 }
 
 
-ANN static m_bool multi_decl(const Env env, const Exp e, const Operator op) {
+ANN static m_bool multi_decl(const Env env, const Exp e, const Symbol op) {
   if(e->exp_type == ae_exp_decl) {
     if(e->d.exp_decl.list->next)
-      ERR_B(e->pos, _("cant '%s' from/to a multi-variable declaration."), op2str(op))
+      ERR_B(e->pos, _("cant '%s' from/to a multi-variable declaration."), s_name(op))
     SET_FLAG(e->d.exp_decl.list->self->value, used);
   }
   return GW_OK;
@@ -200,7 +200,7 @@ ANN static inline m_bool scan2_exp_if(const Env env, const Exp_If* exp_if) {
 }
 
 ANN static m_bool scan2_exp_unary(const Env env, const Exp_Unary * unary) {
-  if((unary->op == op_spork || unary->op == op_fork) && unary->code) {
+  if((unary->op == insert_symbol("spork") || unary->op == insert_symbol("fork")) && unary->code) {
     RET_NSPC(scan2_stmt(env, unary->code))
   } else if(unary->exp)
     return scan2_exp(env, unary->exp);
@@ -406,12 +406,11 @@ ANN static m_bool scan2_func_def_builtin(MemPool p, const Func func, const m_str
 
 ANN static m_bool scan2_func_def_op(const Env env, const Func_Def f) {
   assert(f->base->args);
-  const Operator op = name2op(s_name(f->base->xid));
   const Type l = GET_FLAG(f, unary) ? NULL :
     f->base->args->var_decl->value->type;
   const Type r = GET_FLAG(f, unary) ? f->base->args->var_decl->value->type :
     f->base->args->next ? f->base->args->next->var_decl->value->type : NULL;
-  struct Op_Import opi = { .op=op, .lhs=l, .rhs=r, .ret=f->base->ret_type, .pos=f->pos };
+  struct Op_Import opi = { .op=f->base->xid, .lhs=l, .rhs=r, .ret=f->base->ret_type, .pos=f->pos };
   CHECK_BB(add_op(env->gwion, &opi))
   return GW_OK;
 }
diff --git a/util b/util
index 5e175eff..dc6040ef 160000
--- a/util
+++ b/util
@@ -1 +1 @@
-Subproject commit 5e175eff5cc60ef509ede0378891850feee1cc13
+Subproject commit dc6040ef47f0e9b03c3a2d4dbf4c551c54a299eb
-- 
2.43.0