2000-10-27 Pierre Muller <muller@ics.u-strasbg.fr>

	* p-exp.y (yylex): avoid problem with symbol name
	starting as a operator name.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d52df9c..bd27d38 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2000-10-27  Pierre Muller  <muller@ics.u-strasbg.fr>
+
+       * p-exp.y (yylex): avoid problem with symbol name 
+       starting as a operator name.
+
 2000-11-30  Fernando Nasser  <fnasser@redhat.com>
 
        * linespec.h: New file. Declarations for linespec.c.

diff --git a/gdb/p-exp.y b/gdb/p-exp.y
index fa2aef0..8cde6d5 100644 (file)
--- a/gdb/p-exp.y
+++ b/gdb/p-exp.y
@@ -942,30 +942,37 @@ yylex ()
   char *uptokstart;
   char *tokptr;
   char *p;
-  int tempbufindex;
+  int explen, tempbufindex;
   static char *tempbuf;
   static int tempbufsize;
 
  retry:
 
   tokstart = lexptr;
+  explen = strlen (lexptr);
   /* See if it is a special token of length 3.  */
-  for (i = 0; i < sizeof tokentab3 / sizeof tokentab3[0]; i++)
-    if (STREQN (tokstart, tokentab3[i].operator, 3))
-      {
-       lexptr += 3;
-       yylval.opcode = tokentab3[i].opcode;
-       return tokentab3[i].token;
-      }
+  if (explen > 2)
+    for (i = 0; i < sizeof (tokentab3) / sizeof (tokentab3[0]); i++)
+      if (strnicmp (tokstart, tokentab3[i].operator, 3) == 0
+          && (!isalpha (tokentab3[i].operator[0]) || explen == 3
+              || (!isalpha (tokstart[3]) && !isdigit (tokstart[3]) && tokstart[3] != '_')))
+        {
+          lexptr += 3;
+          yylval.opcode = tokentab3[i].opcode;
+          return tokentab3[i].token;
+        }
 
   /* See if it is a special token of length 2.  */
-  for (i = 0; i < sizeof tokentab2 / sizeof tokentab2[0]; i++)
-    if (STREQN (tokstart, tokentab2[i].operator, 2))
-      {
-       lexptr += 2;
-       yylval.opcode = tokentab2[i].opcode;
-       return tokentab2[i].token;
-      }
+  if (explen > 1)
+  for (i = 0; i < sizeof (tokentab2) / sizeof (tokentab2[0]); i++)
+      if (strnicmp (tokstart, tokentab2[i].operator, 2) == 0
+          && (!isalpha (tokentab2[i].operator[0]) || explen == 2
+              || (!isalpha (tokstart[2]) && !isdigit (tokstart[2]) && tokstart[2] != '_')))
+        {
+          lexptr += 2;
+          yylval.opcode = tokentab2[i].opcode;
+          return tokentab2[i].token;
+        }
 
   switch (c = *tokstart)
     {
@@ -1443,4 +1450,3 @@ yyerror (msg)
 {
   error ("A %s in expression, near `%s'.", (msg ? msg : "error"), lexptr);
 }
-