gold: Add sparc IFUNC support to Gold.
[deliverable/binutils-gdb.git] / gdb / c-exp.y
index 030554c9823da302a790f21f1dfd6af562750b39..8dfb7e5603172a7443d9adc059ff1a4880a2594b 100644 (file)
@@ -1,7 +1,6 @@
 /* YACC parser for C expressions, for GDB.
-   Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
-   1998, 1999, 2000, 2003, 2004, 2006, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 1986, 1989-2000, 2003-2004, 2006-2012 Free Software
+   Foundation, Inc.
 
    This file is part of GDB.
 
 #define yygindex c_yygindex
 #define yytable         c_yytable
 #define yycheck         c_yycheck
+#define yyss   c_yyss
+#define yysslim        c_yysslim
+#define yyssp  c_yyssp
+#define yystacksize c_yystacksize
+#define yyvs   c_yyvs
+#define yyvsp  c_yyvsp
 
 #ifndef YYDEBUG
 #define        YYDEBUG 1               /* Default to yydebug support */
@@ -208,6 +213,7 @@ static struct stoken operator_stoken (const char *);
 %token NEW DELETE
 %type <sval> operator
 %token REINTERPRET_CAST DYNAMIC_CAST STATIC_CAST CONST_CAST
+%token ENTRY
 
 /* Special type cases, put in to allow the parser to distinguish different
    legal basetypes.  */
@@ -612,7 +618,9 @@ exp :       VARIABLE
 
 exp    :       SIZEOF '(' type ')'     %prec UNARY
                        { write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (parse_type->builtin_int);
+                         write_exp_elt_type (lookup_signed_typename
+                                             (parse_language, parse_gdbarch,
+                                              "int"));
                          CHECK_TYPEDEF ($3);
                          write_exp_elt_longcst ((LONGEST) TYPE_LENGTH ($3));
                          write_exp_elt_opcode (OP_LONG); }
@@ -696,7 +704,7 @@ exp :       string_exp
                                case C_STRING_32:
                                  if (type != C_STRING
                                      && type != $1.tokens[i].type)
-                                   error ("Undefined string concatenation.");
+                                   error (_("Undefined string concatenation."));
                                  type = $1.tokens[i].type;
                                  break;
                                default:
@@ -735,7 +743,7 @@ block       :       BLOCKNAME
                          if ($1.sym)
                            $$ = SYMBOL_BLOCK_VALUE ($1.sym);
                          else
-                           error ("No file or function \"%s\".",
+                           error (_("No file or function \"%s\"."),
                                   copy_name ($1.stoken));
                        }
        |       FILENAME
@@ -749,18 +757,40 @@ block     :       block COLONCOLON name
                            = lookup_symbol (copy_name ($3), $1,
                                             VAR_DOMAIN, (int *) NULL);
                          if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK)
-                           error ("No function \"%s\" in specified context.",
+                           error (_("No function \"%s\" in specified context."),
                                   copy_name ($3));
                          $$ = SYMBOL_BLOCK_VALUE (tem); }
        ;
 
+variable:      name_not_typename ENTRY
+                       { struct symbol *sym = $1.sym;
+
+                         if (sym == NULL || !SYMBOL_IS_ARGUMENT (sym)
+                             || !symbol_read_needs_frame (sym))
+                           error (_("@entry can be used only for function "
+                                    "parameters, not for \"%s\""),
+                                  copy_name ($1.stoken));
+
+                         write_exp_elt_opcode (OP_VAR_ENTRY_VALUE);
+                         write_exp_elt_sym (sym);
+                         write_exp_elt_opcode (OP_VAR_ENTRY_VALUE);
+                       }
+       ;
+
 variable:      block COLONCOLON name
                        { struct symbol *sym;
                          sym = lookup_symbol (copy_name ($3), $1,
                                               VAR_DOMAIN, (int *) NULL);
                          if (sym == 0)
-                           error ("No symbol \"%s\" in specified context.",
+                           error (_("No symbol \"%s\" in specified context."),
                                   copy_name ($3));
+                         if (symbol_read_needs_frame (sym))
+                           {
+                             if (innermost_block == 0
+                                 || contained_in (block_found,
+                                                  innermost_block))
+                               innermost_block = block_found;
+                           }
 
                          write_exp_elt_opcode (OP_VAR_VALUE);
                          /* block_found is set by lookup_symbol.  */
@@ -776,7 +806,7 @@ qualified_name:     TYPENAME COLONCOLON name
                          if (TYPE_CODE (type) != TYPE_CODE_STRUCT
                              && TYPE_CODE (type) != TYPE_CODE_UNION
                              && TYPE_CODE (type) != TYPE_CODE_NAMESPACE)
-                           error ("`%s' is not defined as an aggregate type.",
+                           error (_("`%s' is not defined as an aggregate type."),
                                   TYPE_NAME (type));
 
                          write_exp_elt_opcode (OP_SCOPE);
@@ -792,7 +822,7 @@ qualified_name:     TYPENAME COLONCOLON name
                          if (TYPE_CODE (type) != TYPE_CODE_STRUCT
                              && TYPE_CODE (type) != TYPE_CODE_UNION
                              && TYPE_CODE (type) != TYPE_CODE_NAMESPACE)
-                           error ("`%s' is not defined as an aggregate type.",
+                           error (_("`%s' is not defined as an aggregate type."),
                                   TYPE_NAME (type));
 
                          tmp_token.ptr = (char*) alloca ($4.length + 2);
@@ -802,7 +832,7 @@ qualified_name:     TYPENAME COLONCOLON name
                          tmp_token.ptr[tmp_token.length] = 0;
 
                          /* Check for valid destructor name.  */
-                         destructor_name_p (tmp_token.ptr, type);
+                         destructor_name_p (tmp_token.ptr, $1.type);
                          write_exp_elt_opcode (OP_SCOPE);
                          write_exp_elt_type (type);
                          write_exp_string (tmp_token);
@@ -840,9 +870,9 @@ variable:   qualified_name
                          if (msymbol != NULL)
                            write_exp_msymbol (msymbol);
                          else if (!have_full_symbols () && !have_partial_symbols ())
-                           error ("No symbol table is loaded.  Use the \"file\" command.");
+                           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);
                        }
        ;
 
@@ -892,9 +922,9 @@ variable:   name_not_typename
                              if (msymbol != NULL)
                                write_exp_msymbol (msymbol);
                              else if (!have_full_symbols () && !have_partial_symbols ())
-                               error ("No symbol table is loaded.  Use the \"file\" command.");
+                               error (_("No symbol table is loaded.  Use the \"file\" command."));
                              else
-                               error ("No symbol \"%s\" in current context.",
+                               error (_("No symbol \"%s\" in current context."),
                                       copy_name ($1.stoken));
                            }
                        }
@@ -980,61 +1010,117 @@ typebase  /* Implements (approximately): (type-qualifier)* type-specifier */
        :       TYPENAME
                        { $$ = $1.type; }
        |       INT_KEYWORD
-                       { $$ = parse_type->builtin_int; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "int"); }
        |       LONG
-                       { $$ = parse_type->builtin_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long"); }
        |       SHORT
-                       { $$ = parse_type->builtin_short; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "short"); }
        |       LONG INT_KEYWORD
-                       { $$ = parse_type->builtin_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long"); }
        |       LONG SIGNED_KEYWORD INT_KEYWORD
-                       { $$ = parse_type->builtin_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long"); }
        |       LONG SIGNED_KEYWORD
-                       { $$ = parse_type->builtin_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long"); }
        |       SIGNED_KEYWORD LONG INT_KEYWORD
-                       { $$ = parse_type->builtin_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long"); }
        |       UNSIGNED LONG INT_KEYWORD
-                       { $$ = parse_type->builtin_unsigned_long; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "long"); }
        |       LONG UNSIGNED INT_KEYWORD
-                       { $$ = parse_type->builtin_unsigned_long; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "long"); }
        |       LONG UNSIGNED
-                       { $$ = parse_type->builtin_unsigned_long; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "long"); }
        |       LONG LONG
-                       { $$ = parse_type->builtin_long_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long long"); }
        |       LONG LONG INT_KEYWORD
-                       { $$ = parse_type->builtin_long_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long long"); }
        |       LONG LONG SIGNED_KEYWORD INT_KEYWORD
-                       { $$ = parse_type->builtin_long_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long long"); }
        |       LONG LONG SIGNED_KEYWORD
-                       { $$ = parse_type->builtin_long_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long long"); }
        |       SIGNED_KEYWORD LONG LONG
-                       { $$ = parse_type->builtin_long_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long long"); }
        |       SIGNED_KEYWORD LONG LONG INT_KEYWORD
-                       { $$ = parse_type->builtin_long_long; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "long long"); }
        |       UNSIGNED LONG LONG
-                       { $$ = parse_type->builtin_unsigned_long_long; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "long long"); }
        |       UNSIGNED LONG LONG INT_KEYWORD
-                       { $$ = parse_type->builtin_unsigned_long_long; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "long long"); }
        |       LONG LONG UNSIGNED
-                       { $$ = parse_type->builtin_unsigned_long_long; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "long long"); }
        |       LONG LONG UNSIGNED INT_KEYWORD
-                       { $$ = parse_type->builtin_unsigned_long_long; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "long long"); }
        |       SHORT INT_KEYWORD
-                       { $$ = parse_type->builtin_short; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "short"); }
        |       SHORT SIGNED_KEYWORD INT_KEYWORD
-                       { $$ = parse_type->builtin_short; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "short"); }
        |       SHORT SIGNED_KEYWORD
-                       { $$ = parse_type->builtin_short; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "short"); }
        |       UNSIGNED SHORT INT_KEYWORD
-                       { $$ = parse_type->builtin_unsigned_short; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "short"); }
        |       SHORT UNSIGNED 
-                       { $$ = parse_type->builtin_unsigned_short; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "short"); }
        |       SHORT UNSIGNED INT_KEYWORD
-                       { $$ = parse_type->builtin_unsigned_short; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "short"); }
        |       DOUBLE_KEYWORD
-                       { $$ = parse_type->builtin_double; }
+                       { $$ = lookup_typename (parse_language, parse_gdbarch,
+                                               "double", (struct block *) NULL,
+                                               0); }
        |       LONG DOUBLE_KEYWORD
-                       { $$ = parse_type->builtin_long_double; }
+                       { $$ = lookup_typename (parse_language, parse_gdbarch,
+                                               "long double",
+                                               (struct block *) NULL, 0); }
        |       STRUCT name
                        { $$ = lookup_struct (copy_name ($2),
                                              expression_context_block); }
@@ -1052,13 +1138,17 @@ typebase  /* Implements (approximately): (type-qualifier)* type-specifier */
                                                         parse_gdbarch,
                                                         TYPE_NAME($2.type)); }
        |       UNSIGNED
-                       { $$ = parse_type->builtin_unsigned_int; }
+                       { $$ = lookup_unsigned_typename (parse_language,
+                                                        parse_gdbarch,
+                                                        "int"); }
        |       SIGNED_KEYWORD typename
                        { $$ = lookup_signed_typename (parse_language,
                                                       parse_gdbarch,
                                                       TYPE_NAME($2.type)); }
        |       SIGNED_KEYWORD
-                       { $$ = parse_type->builtin_int; }
+                       { $$ = lookup_signed_typename (parse_language,
+                                                      parse_gdbarch,
+                                                      "int"); }
                 /* It appears that this rule for templates is never
                    reduced; template recognition happens by lookahead
                    in the token processing code in yylex. */         
@@ -1077,19 +1167,25 @@ typename:       TYPENAME
                {
                  $$.stoken.ptr = "int";
                  $$.stoken.length = 3;
-                 $$.type = parse_type->builtin_int;
+                 $$.type = lookup_signed_typename (parse_language,
+                                                   parse_gdbarch,
+                                                   "int");
                }
        |       LONG
                {
                  $$.stoken.ptr = "long";
                  $$.stoken.length = 4;
-                 $$.type = parse_type->builtin_long;
+                 $$.type = lookup_signed_typename (parse_language,
+                                                   parse_gdbarch,
+                                                   "long");
                }
        |       SHORT
                {
                  $$.stoken.ptr = "short";
                  $$.stoken.length = 5;
-                 $$.type = parse_type->builtin_short;
+                 $$.type = lookup_signed_typename (parse_language,
+                                                   parse_gdbarch,
+                                                   "short");
                }
        ;
 
@@ -1128,11 +1224,11 @@ const_or_volatile_noopt:        const_and_volatile
 operator:      OPERATOR NEW
                        { $$ = operator_stoken (" new"); }
        |       OPERATOR DELETE
-                       { $$ = operator_stoken (" delete"); }
+                       { $$ = operator_stoken (" delete "); }
        |       OPERATOR NEW '[' ']'
                        { $$ = operator_stoken (" new[]"); }
        |       OPERATOR DELETE '[' ']'
-                       { $$ = operator_stoken (" delete[]"); }
+                       { $$ = operator_stoken (" delete[] "); }
        |       OPERATOR '+'
                        { $$ = operator_stoken ("+"); }
        |       OPERATOR '-'
@@ -1323,10 +1419,8 @@ parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere)
 
   if (parsed_float)
     {
-      /* It's a float since it contains a point or an exponent.  */
-      char *s;
-      int num; /* number of tokens scanned by scanf */
-      char saved_char;
+      const char *suffix;
+      int suffix_len;
 
       /* If it ends at "df", "dd" or "dl", take it as type of decimal floating
          point.  Return DECFLOAT.  */
@@ -1364,35 +1458,10 @@ parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere)
          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 = 
-         parse_type->builtin_double;
-
-      if (num == 2 )
-       {
-         /* See if it has any float suffix: 'f' for float, 'l' for long 
-            double.  */
-         if (!strcasecmp (s, "f"))
-           putithere->typed_val_float.type = 
-             parse_type->builtin_float;
-         else if (!strcasecmp (s, "l"))
-           putithere->typed_val_float.type = 
-             parse_type->builtin_long_double;
-         else
-           {
-             free (s);
-             return ERROR;
-           }
-       }
-
-      free (s);
+      if (! parse_c_float (parse_gdbarch, p, len,
+                          &putithere->typed_val_float.dval,
+                          &putithere->typed_val_float.type))
+       return ERROR;
       return FLOAT;
     }
 
@@ -1486,7 +1555,7 @@ parse_number (char *p, int len, int parsed_float, YYSTYPE *putithere)
       if (c != 'l' && c != 'u' && n != 0)
        {       
          if ((unsigned_p && (ULONGEST) prevn >= (ULONGEST) n))
-           error ("Numeric constant too large.");
+           error (_("Numeric constant too large."));
        }
       prevn = n;
     }
@@ -1803,9 +1872,9 @@ parse_string_or_char (char *tokptr, char **outptr, struct typed_stoken *value,
   if (*tokptr != quote)
     {
       if (quote == '"')
-       error ("Unterminated string in expression.");
+       error (_("Unterminated string in expression."));
       else
-       error ("Unmatched single quote.");
+       error (_("Unmatched single quote."));
     }
   ++tokptr;
 
@@ -2177,12 +2246,27 @@ lex_one_token (void)
 
            memcpy (err_copy, tokstart, p - tokstart);
            err_copy[p - tokstart] = 0;
-           error ("Invalid number \"%s\".", err_copy);
+           error (_("Invalid number \"%s\"."), err_copy);
          }
        lexptr = p;
        return toktype;
       }
 
+    case '@':
+      {
+       char *p = &tokstart[1];
+       size_t len = strlen ("entry");
+
+       while (isspace (*p))
+         p++;
+       if (strncmp (p, "entry", len) == 0 && !isalnum (p[len])
+           && p[len] != '_')
+         {
+           lexptr = &p[len];
+           return ENTRY;
+         }
+      }
+      /* FALLTHRU */
     case '+':
     case '-':
     case '*':
@@ -2193,7 +2277,6 @@ lex_one_token (void)
     case '^':
     case '~':
     case '!':
-    case '@':
     case '<':
     case '>':
     case '?':
@@ -2220,7 +2303,7 @@ lex_one_token (void)
        if (result == CHAR)
          {
            if (host_len == 0)
-             error ("Empty character constant.");
+             error (_("Empty character constant."));
            else if (host_len > 2 && c == '\'')
              {
                ++tokstart;
@@ -2228,7 +2311,7 @@ lex_one_token (void)
                goto tryname;
              }
            else if (host_len > 1)
-             error ("Invalid character constant.");
+             error (_("Invalid character constant."));
          }
        return result;
       }
@@ -2237,7 +2320,7 @@ lex_one_token (void)
   if (!(c == '_' || c == '$'
        || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')))
     /* We must have come across a bad character (e.g. ';').  */
-    error ("Invalid character '%c' in expression.", c);
+    error (_("Invalid character '%c' in expression."), c);
 
   /* It's a name.  See how long it is.  */
   namelen = 0;
@@ -2416,6 +2499,7 @@ classify_name (struct block *block)
 
   if (sym == NULL
       && parse_language->la_language == language_cplus
+      && !is_a_field_of_this
       && !lookup_minimal_symbol (copy, NULL, NULL))
     return UNKNOWN_CPP_NAME;
 
@@ -2444,7 +2528,7 @@ classify_inner_name (struct block *block, int first_name)
     return NAME;
 
   copy = copy_name (yylval.tsym.stoken);
-  new_type = cp_lookup_nested_type (type, copy, block);
+  new_type = cp_lookup_nested_type (yylval.tsym.type, copy, block);
 
   if (new_type == NULL)
     /* We know the caller won't expect us to update yylval.  */
@@ -2616,5 +2700,5 @@ yyerror (char *msg)
   if (prev_lexptr)
     lexptr = prev_lexptr;
 
-  error ("A %s in expression, near `%s'.", (msg ? msg : "error"), lexptr);
+  error (_("A %s in expression, near `%s'."), (msg ? msg : "error"), lexptr);
 }
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