Merge commit 'ca5e0414e96886177d883a249edd957d2331db65'

[bpt/guile.git] / libguile / chars.c

diff --git a/libguile/chars.c b/libguile/chars.c
index fbedb0f..9f50c1e 100644 (file)
--- a/libguile/chars.c
+++ b/libguile/chars.c
@@ -1,5 +1,6 @@
-/*     Copyright (C) 1995,1996,1998, 2000, 2001, 2004, 2006, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
- * 
+/* Copyright (C) 1995,1996,1998, 2000, 2001, 2004, 2006, 2008, 2009,
+ *   2010, 2011, 2014 Free Software Foundation, Inc.
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public License
  * as published by the Free Software Foundation; either version 3 of
@@ -554,6 +555,16 @@ static const scm_t_uint32 const scm_r6rs_charnums[] = {
 
 #define SCM_N_R6RS_CHARNAMES (sizeof (scm_r6rs_charnames) / sizeof (char *))
 
+static const char *const scm_r7rs_charnames[] = {
+  "escape"
+};
+
+static const scm_t_uint32 const scm_r7rs_charnums[] = {
+  0x1b
+};
+
+#define SCM_N_R7RS_CHARNAMES (sizeof (scm_r7rs_charnames) / sizeof (char *))
+
 /* The abbreviated names for control characters.  */
 static const char *const scm_C0_control_charnames[] = {
   /* C0 controls */
@@ -600,6 +611,10 @@ scm_i_charname (SCM chr)
     if (scm_r6rs_charnums[c] == i)
       return scm_r6rs_charnames[c];
 
+  for (c = 0; c < SCM_N_R7RS_CHARNAMES; c++)
+    if (scm_r7rs_charnums[c] == i)
+      return scm_r7rs_charnames[c];
+
   for (c = 0; c < SCM_N_C0_CONTROL_CHARNAMES; c++)
     if (scm_C0_control_charnums[c] == i)
       return scm_C0_control_charnames[c];
@@ -625,13 +640,20 @@ scm_i_charname_to_char (const char *charname, size_t charname_len)
        && (!strncasecmp (scm_r5rs_charnames[c], charname, charname_len)))
       return SCM_MAKE_CHAR (scm_r5rs_charnums[c]);
 
-  /* The R6RS charnames.  R6RS says that these should be case-sensitive.  They
-     are left as case-insensitive to avoid confusion.  */
+  /* The R6RS charnames.  R6RS says that these should be case-sensitive.
+     They are left as case-insensitive to avoid confusion.  */
   for (c = 0; c < SCM_N_R6RS_CHARNAMES; c++)
     if ((strlen (scm_r6rs_charnames[c]) == charname_len)
        && (!strncasecmp (scm_r6rs_charnames[c], charname, charname_len)))
       return SCM_MAKE_CHAR (scm_r6rs_charnums[c]);
 
+  /* The R7RS charnames.  R7RS says that these should be case-sensitive.
+     They are left as case-insensitive to avoid confusion.  */
+  for (c = 0; c < SCM_N_R7RS_CHARNAMES; c++)
+    if ((strlen (scm_r7rs_charnames[c]) == charname_len)
+       && (!strncasecmp (scm_r7rs_charnames[c], charname, charname_len)))
+      return SCM_MAKE_CHAR (scm_r7rs_charnums[c]);
+
   /* Then come the controls.  By Guile convention, these are not case
      sensitive.  */
   for (c = 0; c < SCM_N_C0_CONTROL_CHARNAMES; c++)