lua

commit 59547c6cda8ac1371b473ec6f1088a35bcec7558
parent 3d3355b4f3394d7c223daf2b76c3cf8d854e24a6
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Thu, 23 Jun 2011 13:00:42 -0300

macro 'ltoupper' instead of 'lisupper' (more usefull for Lua)

Diffstat:
M
lctype.c
 | 
36
++++++++++++++++++------------------
M
lctype.h
 | 
16
+++++++++++++---
M
lobject.c
 | 
5
++---

3 files changed, 33 insertions(+), 24 deletions(-)
diff --git a/lctype.c b/lctype.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lctype.c,v 1.7 2009/05/27 16:51:15 roberto Exp roberto $
+** $Id: lctype.c,v 1.8 2009/11/19 19:06:52 roberto Exp roberto $
 ** 'ctype' functions for Lua
 ** See Copyright Notice in lua.h
 */
@@ -10,36 +10,36 @@
 
 LUAI_DDEF const lu_byte luai_ctype_[UCHAR_MAX + 2] = {
   0x00,  /* EOZ */
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* 0. */
   0x00,  0x08,  0x08,  0x08,  0x08,  0x08,  0x00,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* 1. */
   0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x0c,  0x04,  0x04,  0x04,  0x04,  0x04,  0x04,  0x04,
+  0x0c,  0x04,  0x04,  0x04,  0x04,  0x04,  0x04,  0x04,	/* 2. */
   0x04,  0x04,  0x04,  0x04,  0x04,  0x04,  0x04,  0x04,
-  0x16,  0x16,  0x16,  0x16,  0x16,  0x16,  0x16,  0x16,
+  0x16,  0x16,  0x16,  0x16,  0x16,  0x16,  0x16,  0x16,	/* 3. */
   0x16,  0x16,  0x04,  0x04,  0x04,  0x04,  0x04,  0x04,
-  0x04,  0x35,  0x35,  0x35,  0x35,  0x35,  0x35,  0x25,
-  0x25,  0x25,  0x25,  0x25,  0x25,  0x25,  0x25,  0x25,
-  0x25,  0x25,  0x25,  0x25,  0x25,  0x25,  0x25,  0x25,
-  0x25,  0x25,  0x25,  0x04,  0x04,  0x04,  0x04,  0x05,
-  0x04,  0x15,  0x15,  0x15,  0x15,  0x15,  0x15,  0x05,
+  0x04,  0x15,  0x15,  0x15,  0x15,  0x15,  0x15,  0x05,	/* 4. */
   0x05,  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,
+  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,	/* 5. */
+  0x05,  0x05,  0x05,  0x04,  0x04,  0x04,  0x04,  0x05,
+  0x04,  0x15,  0x15,  0x15,  0x15,  0x15,  0x15,  0x05,	/* 6. */
   0x05,  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,
+  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,  0x05,	/* 7. */
   0x05,  0x05,  0x05,  0x04,  0x04,  0x04,  0x04,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* 8. */
   0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* 9. */
   0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* a. */
   0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* b. */
   0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* c. */
   0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* d. */
   0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* e. */
   0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
-  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
+  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,	/* f. */
   0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,  0x00,
 };
diff --git a/lctype.h b/lctype.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lctype.h,v 1.7 2009/05/27 16:51:15 roberto Exp roberto $
+** $Id: lctype.h,v 1.8 2009/11/19 19:06:52 roberto Exp roberto $
 ** 'ctype' functions for Lua
 ** See Copyright Notice in lua.h
 */
@@ -8,6 +8,13 @@
 #define lctype_h
 
 
+/*
+** WARNING: the functions defined here do not necessarily correspond 
+** to the similar functions in the standard C ctype.h. They are
+** optimized for the specific needs of Lua
+*/
+
+
 #include <limits.h>
 
 #include "lua.h"
@@ -20,7 +27,6 @@
 #define PRINTBIT	2
 #define SPACEBIT	3
 #define XDIGITBIT	4
-#define UPPERBIT	5
 
 
 #define MASK(B)		(1 << (B))
@@ -36,12 +42,16 @@
 */
 #define lislalpha(c)	testprop(c, MASK(ALPHABIT))
 #define lislalnum(c)	testprop(c, (MASK(ALPHABIT) | MASK(DIGITBIT)))
-#define lisupper(c)	testprop(c, MASK(UPPERBIT))
 #define lisdigit(c)	testprop(c, MASK(DIGITBIT))
 #define lisspace(c)	testprop(c, MASK(SPACEBIT))
 #define lisprint(c)	testprop(c, MASK(PRINTBIT))
 #define lisxdigit(c)	testprop(c, MASK(XDIGITBIT))
 
+/*
+** this 'ltoupper' only works for alphabetic characters
+*/
+#define ltoupper(c)	((c) & ~32)
+
 
 /* one more entry for 0 and one more for -1 (EOZ) */
 LUAI_DDEC const lu_byte luai_ctype_[UCHAR_MAX + 2];
diff --git a/lobject.c b/lobject.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lobject.c,v 2.49 2011/05/31 18:24:36 roberto Exp roberto $
+** $Id: lobject.c,v 2.50 2011/06/16 14:13:22 roberto Exp roberto $
 ** Some generic functions over Lua objects
 ** See Copyright Notice in lua.h
 */
@@ -86,8 +86,7 @@ lua_Number luaO_arith (int op, lua_Number v1, lua_Number v2) {
 
 int luaO_hexavalue (int c) {
   if (lisdigit(c)) return c - '0';
-  else if (lisupper(c)) return c - 'A' + 10;
-  else return c - 'a' + 10;
+  else return ltoupper(c) - 'A' + 10;
 }