better code for unary/binary operators

1 files changed, 18 insertions, 4 deletions

diff --git a/lcode.h b/lcode.h
index f7cf5e2c..c0f3392a 100644
--- a/lcode.h
+++ b/lcode.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lcode.h,v 1.14 2000/06/16 17:51:40 roberto Exp roberto $
+** $Id: lcode.h,v 1.15 2000/06/28 20:20:36 roberto Exp roberto $
 ** Code generator for Lua
 ** See Copyright Notice in lua.h
 */
@@ -20,6 +20,20 @@
 #define NO_JUMP (-1)
 
 
+/*
+** grep "ORDER OPR" if you change these enums
+*/
+typedef enum BinOpr {
+  OPR_ADD, OPR_SUB, OPR_MULT, OPR_DIV, OPR_POW,
+  OPR_CONCAT,
+  OPR_NE, OPR_EQ, OPR_LT, OPR_LE, OPR_GT, OPR_GE,
+  OPR_AND, OPR_OR,
+  OPR_NOBINOPR
+} BinOpr;
+
+typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_NOUNOPR } UnOpr;
+
+
 enum Mode {iO, iU, iS, iAB};  /* instruction format */
 
 #define VD      100     /* flag for variable delta */
@@ -48,9 +62,9 @@ int luaK_lastisopen (FuncState *fs);
 void luaK_setcallreturns (FuncState *fs, int nresults);
 void luaK_tostack (LexState *ls, expdesc *v, int onlyone);
 void luaK_storevar (LexState *ls, const expdesc *var);
-void luaK_prefix (LexState *ls, int op, expdesc *v);
-void luaK_infix (LexState *ls, int op, expdesc *v);
-void luaK_posfix (LexState *ls, int op, expdesc *v1, expdesc *v2);
+void luaK_prefix (LexState *ls, UnOpr op, expdesc *v);
+void luaK_infix (LexState *ls, BinOpr op, expdesc *v);
+void luaK_posfix (LexState *ls, BinOpr op, expdesc *v1, expdesc *v2);
 
 
 #endif