Added missing files to ChangeLog entry.
[deliverable/binutils-gdb.git] / gdb / c-exp.y
index 0f2ee16f2fc14e252bf117ec7237d9272bfe9a01..6d169405840beb7cb4073eaec2487a142bd68ace 100644 (file)
@@ -55,6 +55,8 @@ Boston, MA 02110-1301, USA.  */
 #include "cp-support.h"
 #include "dfp.h"
 
+#define parse_type builtin_type (parse_gdbarch)
+
 /* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
    as well as gratuitiously global symbol names, so we can have multiple
    yacc generated parsers in gdb.  Note that these are only the variables
@@ -554,7 +556,7 @@ exp :       VARIABLE
 
 exp    :       SIZEOF '(' type ')'     %prec UNARY
                        { write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (builtin_type (current_gdbarch)->builtin_int);
+                         write_exp_elt_type (parse_type->builtin_int);
                          CHECK_TYPEDEF ($3);
                          write_exp_elt_longcst ((LONGEST) TYPE_LENGTH ($3));
                          write_exp_elt_opcode (OP_LONG); }
@@ -570,12 +572,12 @@ exp       :       STRING
                          while (count-- > 0)
                            {
                              write_exp_elt_opcode (OP_LONG);
-                             write_exp_elt_type (builtin_type (current_gdbarch)->builtin_char);
+                             write_exp_elt_type (parse_type->builtin_char);
                              write_exp_elt_longcst ((LONGEST)(*sp++));
                              write_exp_elt_opcode (OP_LONG);
                            }
                          write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (builtin_type (current_gdbarch)->builtin_char);
+                         write_exp_elt_type (parse_type->builtin_char);
                          write_exp_elt_longcst ((LONGEST)'\0');
                          write_exp_elt_opcode (OP_LONG);
                          write_exp_elt_opcode (OP_ARRAY);
@@ -587,14 +589,14 @@ exp       :       STRING
 /* C++.  */
 exp     :       TRUEKEYWORD    
                         { write_exp_elt_opcode (OP_LONG);
-                          write_exp_elt_type (builtin_type (current_gdbarch)->builtin_bool);
+                          write_exp_elt_type (parse_type->builtin_bool);
                           write_exp_elt_longcst ((LONGEST) 1);
                           write_exp_elt_opcode (OP_LONG); }
        ;
 
 exp     :       FALSEKEYWORD   
                         { write_exp_elt_opcode (OP_LONG);
-                          write_exp_elt_type (builtin_type (current_gdbarch)->builtin_bool);
+                          write_exp_elt_type (parse_type->builtin_bool);
                           write_exp_elt_longcst ((LONGEST) 0);
                           write_exp_elt_opcode (OP_LONG); }
        ;
@@ -700,16 +702,11 @@ variable: qualified_name
 
                          msymbol = lookup_minimal_symbol (name, NULL, NULL);
                          if (msymbol != NULL)
-                           {
-                             write_exp_msymbol (msymbol,
-                                                lookup_function_type (builtin_type (current_gdbarch)->builtin_int),
-                                                builtin_type (current_gdbarch)->builtin_int);
-                           }
+                           write_exp_msymbol (msymbol);
+                         else if (!have_full_symbols () && !have_partial_symbols ())
+                           error ("No symbol table is loaded.  Use the \"file\" command.");
                          else
-                           if (!have_full_symbols () && !have_partial_symbols ())
-                             error ("No symbol table is loaded.  Use the \"file\" command.");
-                           else
-                             error ("No symbol \"%s\" in current context.", name);
+                           error ("No symbol \"%s\" in current context.", name);
                        }
        ;
 
@@ -756,11 +753,7 @@ variable:  name_not_typename
                              msymbol =
                                lookup_minimal_symbol (arg, NULL, NULL);
                              if (msymbol != NULL)
-                               {
-                                 write_exp_msymbol (msymbol,
-                                                    lookup_function_type (builtin_type (current_gdbarch)->builtin_int),
-                                                    builtin_type (current_gdbarch)->builtin_int);
-                               }
+                               write_exp_msymbol (msymbol);
                              else if (!have_full_symbols () && !have_partial_symbols ())
                                error ("No symbol table is loaded.  Use the \"file\" command.");
                              else
@@ -850,61 +843,61 @@ typebase  /* Implements (approximately): (type-qualifier)* type-specifier */
        :       TYPENAME
                        { $$ = $1.type; }
        |       INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_int; }
+                       { $$ = parse_type->builtin_int; }
        |       LONG
-                       { $$ = builtin_type (current_gdbarch)->builtin_long; }
+                       { $$ = parse_type->builtin_long; }
        |       SHORT
-                       { $$ = builtin_type (current_gdbarch)->builtin_short; }
+                       { $$ = parse_type->builtin_short; }
        |       LONG INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_long; }
+                       { $$ = parse_type->builtin_long; }
        |       LONG SIGNED_KEYWORD INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_long; }
+                       { $$ = parse_type->builtin_long; }
        |       LONG SIGNED_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_long; }
+                       { $$ = parse_type->builtin_long; }
        |       SIGNED_KEYWORD LONG INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_long; }
+                       { $$ = parse_type->builtin_long; }
        |       UNSIGNED LONG INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_long; }
+                       { $$ = parse_type->builtin_unsigned_long; }
        |       LONG UNSIGNED INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_long; }
+                       { $$ = parse_type->builtin_unsigned_long; }
        |       LONG UNSIGNED
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_long; }
+                       { $$ = parse_type->builtin_unsigned_long; }
        |       LONG LONG
-                       { $$ = builtin_type (current_gdbarch)->builtin_long_long; }
+                       { $$ = parse_type->builtin_long_long; }
        |       LONG LONG INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_long_long; }
+                       { $$ = parse_type->builtin_long_long; }
        |       LONG LONG SIGNED_KEYWORD INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_long_long; }
+                       { $$ = parse_type->builtin_long_long; }
        |       LONG LONG SIGNED_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_long_long; }
+                       { $$ = parse_type->builtin_long_long; }
        |       SIGNED_KEYWORD LONG LONG
-                       { $$ = builtin_type (current_gdbarch)->builtin_long_long; }
+                       { $$ = parse_type->builtin_long_long; }
        |       SIGNED_KEYWORD LONG LONG INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_long_long; }
+                       { $$ = parse_type->builtin_long_long; }
        |       UNSIGNED LONG LONG
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_long_long; }
+                       { $$ = parse_type->builtin_unsigned_long_long; }
        |       UNSIGNED LONG LONG INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_long_long; }
+                       { $$ = parse_type->builtin_unsigned_long_long; }
        |       LONG LONG UNSIGNED
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_long_long; }
+                       { $$ = parse_type->builtin_unsigned_long_long; }
        |       LONG LONG UNSIGNED INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_long_long; }
+                       { $$ = parse_type->builtin_unsigned_long_long; }
        |       SHORT INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_short; }
+                       { $$ = parse_type->builtin_short; }
        |       SHORT SIGNED_KEYWORD INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_short; }
+                       { $$ = parse_type->builtin_short; }
        |       SHORT SIGNED_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_short; }
+                       { $$ = parse_type->builtin_short; }
        |       UNSIGNED SHORT INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_short; }
+                       { $$ = parse_type->builtin_unsigned_short; }
        |       SHORT UNSIGNED 
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_short; }
+                       { $$ = parse_type->builtin_unsigned_short; }
        |       SHORT UNSIGNED INT_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_short; }
+                       { $$ = parse_type->builtin_unsigned_short; }
        |       DOUBLE_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_double; }
+                       { $$ = parse_type->builtin_double; }
        |       LONG DOUBLE_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_long_double; }
+                       { $$ = parse_type->builtin_long_double; }
        |       STRUCT name
                        { $$ = lookup_struct (copy_name ($2),
                                              expression_context_block); }
@@ -920,11 +913,11 @@ typebase  /* Implements (approximately): (type-qualifier)* type-specifier */
        |       UNSIGNED typename
                        { $$ = lookup_unsigned_typename (TYPE_NAME($2.type)); }
        |       UNSIGNED
-                       { $$ = builtin_type (current_gdbarch)->builtin_unsigned_int; }
+                       { $$ = parse_type->builtin_unsigned_int; }
        |       SIGNED_KEYWORD typename
                        { $$ = lookup_signed_typename (TYPE_NAME($2.type)); }
        |       SIGNED_KEYWORD
-                       { $$ = builtin_type (current_gdbarch)->builtin_int; }
+                       { $$ = parse_type->builtin_int; }
                 /* It appears that this rule for templates is never
                    reduced; template recognition happens by lookahead
                    in the token processing code in yylex. */         
@@ -1014,19 +1007,19 @@ typename:       TYPENAME
                {
                  $$.stoken.ptr = "int";
                  $$.stoken.length = 3;
-                 $$.type = builtin_type (current_gdbarch)->builtin_int;
+                 $$.type = parse_type->builtin_int;
                }
        |       LONG
                {
                  $$.stoken.ptr = "long";
                  $$.stoken.length = 4;
-                 $$.type = builtin_type (current_gdbarch)->builtin_long;
+                 $$.type = parse_type->builtin_long;
                }
        |       SHORT
                {
                  $$.stoken.ptr = "short";
                  $$.stoken.length = 5;
-                 $$.type = builtin_type (current_gdbarch)->builtin_short;
+                 $$.type = parse_type->builtin_short;
                }
        ;
 
@@ -1118,52 +1111,53 @@ parse_number (p, len, parsed_float, putithere)
   if (parsed_float)
     {
       /* It's a float since it contains a point or an exponent.  */
-      char *s = malloc (len);
-      int num = 0;     /* number of tokens scanned by scanf */
-      char saved_char = p[len];
-
-      p[len] = 0;      /* null-terminate the token */
+      char *s;
+      int num; /* number of tokens scanned by scanf */
+      char saved_char;
 
       /* If it ends at "df", "dd" or "dl", take it as type of decimal floating
          point.  Return DECFLOAT.  */
 
-      if (p[len - 2] == 'd' && p[len - 1] == 'f')
+      if (len >= 2 && p[len - 2] == 'd' && p[len - 1] == 'f')
        {
          p[len - 2] = '\0';
          putithere->typed_val_decfloat.type
-           = builtin_type (current_gdbarch)->builtin_decfloat;
+           = parse_type->builtin_decfloat;
          decimal_from_string (putithere->typed_val_decfloat.val, 4, p);
-         p[len] = saved_char;
-         return (DECFLOAT);
+         p[len - 2] = 'd';
+         return DECFLOAT;
        }
 
-      if (p[len - 2] == 'd' && p[len - 1] == 'd')
+      if (len >= 2 && p[len - 2] == 'd' && p[len - 1] == 'd')
        {
          p[len - 2] = '\0';
          putithere->typed_val_decfloat.type
-           = builtin_type (current_gdbarch)->builtin_decdouble;
+           = parse_type->builtin_decdouble;
          decimal_from_string (putithere->typed_val_decfloat.val, 8, p);
-         p[len] = saved_char;
-         return (DECFLOAT);
+         p[len - 2] = 'd';
+         return DECFLOAT;
        }
 
-      if (p[len - 2] == 'd' && p[len - 1] == 'l')
+      if (len >= 2 && p[len - 2] == 'd' && p[len - 1] == 'l')
        {
          p[len - 2] = '\0';
          putithere->typed_val_decfloat.type
-           = builtin_type (current_gdbarch)->builtin_declong;
+           = parse_type->builtin_declong;
          decimal_from_string (putithere->typed_val_decfloat.val, 16, p);
-         p[len] = saved_char;
-         return (DECFLOAT);
+         p[len - 2] = 'd';
+         return DECFLOAT;
        }
 
+      s = malloc (len);
+      saved_char = p[len];
+      p[len] = 0;      /* null-terminate the token */
       num = sscanf (p, "%" DOUBLEST_SCAN_FORMAT "%s",
                    &putithere->typed_val_float.dval, s);
       p[len] = saved_char;     /* restore the input stream */
 
       if (num == 1)
        putithere->typed_val_float.type = 
-         builtin_type (current_gdbarch)->builtin_double;
+         parse_type->builtin_double;
 
       if (num == 2 )
        {
@@ -1171,10 +1165,10 @@ parse_number (p, len, parsed_float, putithere)
             double.  */
          if (!strcasecmp (s, "f"))
            putithere->typed_val_float.type = 
-             builtin_type (current_gdbarch)->builtin_float;
+             parse_type->builtin_float;
          else if (!strcasecmp (s, "l"))
            putithere->typed_val_float.type = 
-             builtin_type (current_gdbarch)->builtin_long_double;
+             parse_type->builtin_long_double;
          else
            {
              free (s);
@@ -1285,9 +1279,9 @@ parse_number (p, len, parsed_float, putithere)
 
   un = (ULONGEST)n >> 2;
   if (long_p == 0
-      && (un >> (gdbarch_int_bit (current_gdbarch) - 2)) == 0)
+      && (un >> (gdbarch_int_bit (parse_gdbarch) - 2)) == 0)
     {
-      high_bit = ((ULONGEST)1) << (gdbarch_int_bit (current_gdbarch) - 1);
+      high_bit = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch) - 1);
 
       /* A large decimal (not hex or octal) constant (between INT_MAX
         and UINT_MAX) is a long or unsigned long, according to ANSI,
@@ -1295,28 +1289,28 @@ parse_number (p, len, parsed_float, putithere)
         int.  This probably should be fixed.  GCC gives a warning on
         such constants.  */
 
-      unsigned_type = builtin_type (current_gdbarch)->builtin_unsigned_int;
-      signed_type = builtin_type (current_gdbarch)->builtin_int;
+      unsigned_type = parse_type->builtin_unsigned_int;
+      signed_type = parse_type->builtin_int;
     }
   else if (long_p <= 1
-          && (un >> (gdbarch_long_bit (current_gdbarch) - 2)) == 0)
+          && (un >> (gdbarch_long_bit (parse_gdbarch) - 2)) == 0)
     {
-      high_bit = ((ULONGEST)1) << (gdbarch_long_bit (current_gdbarch) - 1);
-      unsigned_type = builtin_type (current_gdbarch)->builtin_unsigned_long;
-      signed_type = builtin_type (current_gdbarch)->builtin_long;
+      high_bit = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch) - 1);
+      unsigned_type = parse_type->builtin_unsigned_long;
+      signed_type = parse_type->builtin_long;
     }
   else
     {
       int shift;
       if (sizeof (ULONGEST) * HOST_CHAR_BIT 
-         < gdbarch_long_long_bit (current_gdbarch))
+         < gdbarch_long_long_bit (parse_gdbarch))
        /* A long long does not fit in a LONGEST.  */
        shift = (sizeof (ULONGEST) * HOST_CHAR_BIT - 1);
       else
-       shift = (gdbarch_long_long_bit (current_gdbarch) - 1);
+       shift = (gdbarch_long_long_bit (parse_gdbarch) - 1);
       high_bit = (ULONGEST) 1 << shift;
-      unsigned_type = builtin_type (current_gdbarch)->builtin_unsigned_long_long;
-      signed_type = builtin_type (current_gdbarch)->builtin_long_long;
+      unsigned_type = parse_type->builtin_unsigned_long_long;
+      signed_type = parse_type->builtin_long_long;
     }
 
    putithere->typed_val_int.val = n;
@@ -1489,7 +1483,7 @@ yylex ()
         }
 
       yylval.typed_val_int.val = c;
-      yylval.typed_val_int.type = builtin_type (current_gdbarch)->builtin_char;
+      yylval.typed_val_int.type = parse_type->builtin_char;
 
       c = *lexptr++;
       if (c != '\'')
@@ -1741,7 +1735,7 @@ yylex ()
     case 8:
       if (strncmp (tokstart, "unsigned", 8) == 0)
        return UNSIGNED;
-      if (current_language->la_language == language_cplus
+      if (parse_language->la_language == language_cplus
          && strncmp (tokstart, "template", 8) == 0)
        return TEMPLATE;
       if (strncmp (tokstart, "volatile", 8) == 0)
@@ -1758,7 +1752,7 @@ yylex ()
        return DOUBLE_KEYWORD;
       break;
     case 5:
-      if (current_language->la_language == language_cplus)
+      if (parse_language->la_language == language_cplus)
         {
           if (strncmp (tokstart, "false", 5) == 0)
             return FALSEKEYWORD;
@@ -1777,7 +1771,7 @@ yylex ()
        return ENUM;
       if (strncmp (tokstart, "long", 4) == 0)
        return LONG;
-      if (current_language->la_language == language_cplus)
+      if (parse_language->la_language == language_cplus)
           {
             if (strncmp (tokstart, "true", 4) == 0)
               return TRUEKEYWORD;
@@ -1813,7 +1807,7 @@ yylex ()
 
     sym = lookup_symbol (tmp, expression_context_block,
                         VAR_DOMAIN,
-                        current_language->la_language == language_cplus
+                        parse_language->la_language == language_cplus
                         ? &is_a_field_of_this : (int *) NULL);
     /* Call lookup_symtab, not lookup_partial_symtab, in case there are
        no psymtabs (coff, xcoff, or some future change to blow away the
@@ -1846,8 +1840,8 @@ yylex ()
          return TYPENAME;
         }
     yylval.tsym.type
-      = language_lookup_primitive_type_by_name (current_language,
-                                               current_gdbarch, tmp);
+      = language_lookup_primitive_type_by_name (parse_language,
+                                               parse_gdbarch, tmp);
     if (yylval.tsym.type != NULL)
       return TYPENAME;
 
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