DWARF: handle non-local references in nested functions
[deliverable/binutils-gdb.git] / gdb / p-exp.y
index 4dc99be8ce451968173cadb846aeb3194c2dc3c8..c255a57d0b6a175405a45278bac1a8b09a5c29cb 100644 (file)
@@ -1,22 +1,20 @@
 /* YACC parser for Pascal expressions, for GDB.
-   Copyright 2000
-   Free Software Foundation, Inc.
+   Copyright (C) 2000-2015 Free Software Foundation, Inc.
 
-This file is part of GDB.
+   This file is part of GDB.
 
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* This file is derived from c-exp.y */
 
@@ -42,11 +40,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
     - there are some problems with boolean types.
     - Pascal type hexadecimal constants are not supported
       because they conflict with the internal variables format.
-   Probably also lots of other problems, less well defined PM */
+   Probably also lots of other problems, less well defined PM */
 %{
 
 #include "defs.h"
-#include "gdb_string.h"
 #include <ctype.h>
 #include "expression.h"
 #include "value.h"
@@ -55,28 +52,32 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "p-lang.h"
 #include "bfd.h" /* Required by objfiles.h.  */
 #include "symfile.h" /* Required by objfiles.h.  */
-#include "objfiles.h" /* For have_full_symbols and have_partial_symbols */
+#include "objfiles.h" /* For have_full_symbols and have_partial_symbols.  */
+#include "block.h"
+#include "completer.h"
+
+#define parse_type(ps) builtin_type (parse_gdbarch (ps))
 
 /* 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
    produced by yacc.  If other parser generators (bison, byacc, etc) produce
    additional global names that conflict at link time, then those parser
-   generators need to be fixed instead of adding those names to this list. */
+   generators need to be fixed instead of adding those names to this list.  */
 
 #define        yymaxdepth pascal_maxdepth
-#define        yyparse pascal_parse
+#define        yyparse pascal_parse_internal
 #define        yylex   pascal_lex
 #define        yyerror pascal_error
 #define        yylval  pascal_lval
 #define        yychar  pascal_char
 #define        yydebug pascal_debug
-#define        yypact  pascal_pact     
-#define        yyr1    pascal_r1                       
-#define        yyr2    pascal_r2                       
-#define        yydef   pascal_def              
-#define        yychk   pascal_chk              
-#define        yypgo   pascal_pgo              
+#define        yypact  pascal_pact
+#define        yyr1    pascal_r1
+#define        yyr2    pascal_r2
+#define        yydef   pascal_def
+#define        yychk   pascal_chk
+#define        yypgo   pascal_pgo
 #define        yyact   pascal_act
 #define        yyexca  pascal_exca
 #define yyerrflag pascal_errflag
@@ -104,6 +105,12 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define yygindex pascal_yygindex
 #define yytable         pascal_yytable
 #define yycheck         pascal_yycheck
+#define yyss   pascal_yyss
+#define yysslim        pascal_yysslim
+#define yyssp  pascal_yyssp
+#define yystacksize pascal_yystacksize
+#define yyvs   pascal_yyvs
+#define yyvsp  pascal_yyvsp
 
 #ifndef YYDEBUG
 #define        YYDEBUG 1               /* Default to yydebug support */
@@ -111,14 +118,18 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #define YYFPRINTF parser_fprintf
 
+/* The state of the parser, used internally when we are parsing the
+   expression.  */
+
+static struct parser_state *pstate = NULL;
+
 int yyparse (void);
 
 static int yylex (void);
 
-void
-yyerror (char *);
+void yyerror (char *);
 
-static char * uptok (char *, int);
+static char *uptok (const char *, int);
 %}
 
 /* Although the yacc "value" of an expression is not used,
@@ -142,7 +153,7 @@ static char * uptok (char *, int);
     struct ttype tsym;
     struct symtoken ssym;
     int voidval;
-    struct block *bval;
+    const struct block *bval;
     enum exp_opcode opcode;
     struct internalvar *ivar;
 
@@ -152,13 +163,14 @@ static char * uptok (char *, int);
 
 %{
 /* YYSTYPE gets defined by %union */
-static int
-parse_number (char *, int, int, YYSTYPE *);
+static int parse_number (struct parser_state *,
+                        const char *, int, int, YYSTYPE *);
 
 static struct type *current_type;
-
-static void push_current_type ();
-static void pop_current_type ();
+static struct internalvar *intvar;
+static int leftdiv_is_integer;
+static void push_current_type (void);
+static void pop_current_type (void);
 static int search_field;
 %}
 
@@ -180,9 +192,10 @@ static int search_field;
    Contexts where this distinction is not important can use the
    nonterminal "name", which matches either NAME or TYPENAME.  */
 
-%token <sval> STRING 
+%token <sval> STRING
 %token <sval> FIELDNAME
-%token <ssym> NAME /* BLOCKNAME defined below to give it higher precedence. */
+%token <voidval> COMPLETE
+%token <ssym> NAME /* BLOCKNAME defined below to give it higher precedence.  */
 %token <tsym> TYPENAME
 %type <sval> name
 %type <ssym> name_not_typename
@@ -205,7 +218,7 @@ static int search_field;
 
 /* Object pascal */
 %token THIS
-%token <lval> TRUE FALSE
+%token <lval> TRUEKEYWORD FALSEKEYWORD
 
 %left ','
 %left ABOVE_COMMA
@@ -231,9 +244,12 @@ static int search_field;
 %%
 
 start   :      { current_type = NULL;
+                 intvar = NULL;
                  search_field = 0;
+                 leftdiv_is_integer = 0;
                }
-               normal_start;
+               normal_start {}
+       ;
 
 normal_start   :
                exp1
@@ -241,82 +257,130 @@ normal_start     :
        ;
 
 type_exp:      type
-                       { write_exp_elt_opcode(OP_TYPE);
-                         write_exp_elt_type($1);
-                         write_exp_elt_opcode(OP_TYPE);
+                       { write_exp_elt_opcode (pstate, OP_TYPE);
+                         write_exp_elt_type (pstate, $1);
+                         write_exp_elt_opcode (pstate, OP_TYPE);
                          current_type = $1; } ;
 
 /* Expressions, including the comma operator.  */
 exp1   :       exp
        |       exp1 ',' exp
-                       { write_exp_elt_opcode (BINOP_COMMA); }
+                       { write_exp_elt_opcode (pstate, BINOP_COMMA); }
        ;
 
 /* Expressions, not including the comma operator.  */
 exp    :       exp '^'   %prec UNARY
-                       { write_exp_elt_opcode (UNOP_IND);
-                         if (current_type) 
+                       { write_exp_elt_opcode (pstate, UNOP_IND);
+                         if (current_type)
                            current_type = TYPE_TARGET_TYPE (current_type); }
+       ;
 
 exp    :       '@' exp    %prec UNARY
-                       { write_exp_elt_opcode (UNOP_ADDR); 
+                       { write_exp_elt_opcode (pstate, UNOP_ADDR);
                          if (current_type)
                            current_type = TYPE_POINTER_TYPE (current_type); }
+       ;
 
 exp    :       '-' exp    %prec UNARY
-                       { write_exp_elt_opcode (UNOP_NEG); }
+                       { write_exp_elt_opcode (pstate, UNOP_NEG); }
        ;
 
 exp    :       NOT exp    %prec UNARY
-                       { write_exp_elt_opcode (UNOP_LOGICAL_NOT); }
+                       { write_exp_elt_opcode (pstate, UNOP_LOGICAL_NOT); }
        ;
 
 exp    :       INCREMENT '(' exp ')'   %prec UNARY
-                       { write_exp_elt_opcode (UNOP_PREINCREMENT); }
+                       { write_exp_elt_opcode (pstate, UNOP_PREINCREMENT); }
        ;
 
 exp    :       DECREMENT  '(' exp ')'   %prec UNARY
-                       { write_exp_elt_opcode (UNOP_PREDECREMENT); }
+                       { write_exp_elt_opcode (pstate, UNOP_PREDECREMENT); }
        ;
 
-exp    :       exp '.' { search_field = 1; } 
-               FIELDNAME 
-               /* name */
-                       { write_exp_elt_opcode (STRUCTOP_STRUCT);
-                         write_exp_string ($4); 
-                         write_exp_elt_opcode (STRUCTOP_STRUCT);
-                         search_field = 0; 
+
+field_exp      :       exp '.' %prec UNARY
+                       { search_field = 1; }
+       ;
+
+exp    :       field_exp FIELDNAME
+                       { write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+                         write_exp_string (pstate, $2);
+                         write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+                         search_field = 0;
                          if (current_type)
-                           { while (TYPE_CODE (current_type) == TYPE_CODE_PTR)
-                               current_type = TYPE_TARGET_TYPE (current_type);
+                           {
+                             while (TYPE_CODE (current_type)
+                                    == TYPE_CODE_PTR)
+                               current_type =
+                                 TYPE_TARGET_TYPE (current_type);
                              current_type = lookup_struct_elt_type (
-                               current_type, $4.ptr, false); };
-                        } ; 
+                               current_type, $2.ptr, 0);
+                           }
+                        }
+       ;
+
+
+exp    :       field_exp name
+                       { write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+                         write_exp_string (pstate, $2);
+                         write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+                         search_field = 0;
+                         if (current_type)
+                           {
+                             while (TYPE_CODE (current_type)
+                                    == TYPE_CODE_PTR)
+                               current_type =
+                                 TYPE_TARGET_TYPE (current_type);
+                             current_type = lookup_struct_elt_type (
+                               current_type, $2.ptr, 0);
+                           }
+                       }
+       ;
+exp    :       field_exp  name COMPLETE
+                       { mark_struct_expression (pstate);
+                         write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+                         write_exp_string (pstate, $2);
+                         write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
+       ;
+exp    :       field_exp COMPLETE
+                       { struct stoken s;
+                         mark_struct_expression (pstate);
+                         write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+                         s.ptr = "";
+                         s.length = 0;
+                         write_exp_string (pstate, s);
+                         write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
+       ;
+
 exp    :       exp '['
-                       /* We need to save the current_type value */
-                       { char *arrayname; 
+                       /* We need to save the current_type value */
+                       { const char *arrayname;
                          int arrayfieldindex;
                          arrayfieldindex = is_pascal_string_type (
                                current_type, NULL, NULL,
-                               NULL, NULL, &arrayname); 
-                         if (arrayfieldindex) 
+                               NULL, NULL, &arrayname);
+                         if (arrayfieldindex)
                            {
                              struct stoken stringsval;
-                             stringsval.ptr = alloca (strlen (arrayname) + 1);
+                             char *buf;
+
+                             buf = alloca (strlen (arrayname) + 1);
+                             stringsval.ptr = buf;
                              stringsval.length = strlen (arrayname);
-                             strcpy (stringsval.ptr, arrayname);
+                             strcpy (buf, arrayname);
                              current_type = TYPE_FIELD_TYPE (current_type,
-                               arrayfieldindex - 1); 
-                             write_exp_elt_opcode (STRUCTOP_STRUCT);
-                             write_exp_string (stringsval); 
-                             write_exp_elt_opcode (STRUCTOP_STRUCT);
+                               arrayfieldindex - 1);
+                             write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+                             write_exp_string (pstate, stringsval);
+                             write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
                            }
                          push_current_type ();  }
                exp1 ']'
                        { pop_current_type ();
-                         write_exp_elt_opcode (BINOP_SUBSCRIPT);
+                         write_exp_elt_opcode (pstate, BINOP_SUBSCRIPT);
                          if (current_type)
                            current_type = TYPE_TARGET_TYPE (current_type); }
+       ;
 
 exp    :       exp '('
                        /* This is to save the value of arglist_len
@@ -324,10 +388,14 @@ exp       :       exp '('
                        { push_current_type ();
                          start_arglist (); }
                arglist ')'     %prec ARROW
-                       { write_exp_elt_opcode (OP_FUNCALL);
-                         write_exp_elt_longcst ((LONGEST) end_arglist ());
-                         write_exp_elt_opcode (OP_FUNCALL); 
-                         pop_current_type (); }
+                       { write_exp_elt_opcode (pstate, OP_FUNCALL);
+                         write_exp_elt_longcst (pstate,
+                                                (LONGEST) end_arglist ());
+                         write_exp_elt_opcode (pstate, OP_FUNCALL);
+                         pop_current_type ();
+                         if (current_type)
+                           current_type = TYPE_TARGET_TYPE (current_type);
+                       }
        ;
 
 arglist        :
@@ -338,9 +406,17 @@ arglist    :
        ;
 
 exp    :       type '(' exp ')' %prec UNARY
-                       { write_exp_elt_opcode (UNOP_CAST);
-                         write_exp_elt_type ($1);
-                         write_exp_elt_opcode (UNOP_CAST); 
+                       { if (current_type)
+                           {
+                             /* Allow automatic dereference of classes.  */
+                             if ((TYPE_CODE (current_type) == TYPE_CODE_PTR)
+                                 && (TYPE_CODE (TYPE_TARGET_TYPE (current_type)) == TYPE_CODE_STRUCT)
+                                 && (TYPE_CODE ($1) == TYPE_CODE_STRUCT))
+                               write_exp_elt_opcode (pstate, UNOP_IND);
+                           }
+                         write_exp_elt_opcode (pstate, UNOP_CAST);
+                         write_exp_elt_type (pstate, $1);
+                         write_exp_elt_opcode (pstate, UNOP_CAST);
                          current_type = $1; }
        ;
 
@@ -351,173 +427,258 @@ exp     :       '(' exp1 ')'
 /* Binary operators in order of decreasing precedence.  */
 
 exp    :       exp '*' exp
-                       { write_exp_elt_opcode (BINOP_MUL); }
+                       { write_exp_elt_opcode (pstate, BINOP_MUL); }
        ;
 
-exp    :       exp '/' exp
-                       { write_exp_elt_opcode (BINOP_DIV); }
+exp    :       exp '/' {
+                         if (current_type && is_integral_type (current_type))
+                           leftdiv_is_integer = 1;
+                       }
+               exp
+                       {
+                         if (leftdiv_is_integer && current_type
+                             && is_integral_type (current_type))
+                           {
+                             write_exp_elt_opcode (pstate, UNOP_CAST);
+                             write_exp_elt_type (pstate,
+                                                 parse_type (pstate)
+                                                 ->builtin_long_double);
+                             current_type
+                               = parse_type (pstate)->builtin_long_double;
+                             write_exp_elt_opcode (pstate, UNOP_CAST);
+                             leftdiv_is_integer = 0;
+                           }
+
+                         write_exp_elt_opcode (pstate, BINOP_DIV);
+                       }
        ;
 
 exp    :       exp DIV exp
-                       { write_exp_elt_opcode (BINOP_INTDIV); }
+                       { write_exp_elt_opcode (pstate, BINOP_INTDIV); }
        ;
 
 exp    :       exp MOD exp
-                       { write_exp_elt_opcode (BINOP_REM); }
+                       { write_exp_elt_opcode (pstate, BINOP_REM); }
        ;
 
 exp    :       exp '+' exp
-                       { write_exp_elt_opcode (BINOP_ADD); }
+                       { write_exp_elt_opcode (pstate, BINOP_ADD); }
        ;
 
 exp    :       exp '-' exp
-                       { write_exp_elt_opcode (BINOP_SUB); }
+                       { write_exp_elt_opcode (pstate, BINOP_SUB); }
        ;
 
 exp    :       exp LSH exp
-                       { write_exp_elt_opcode (BINOP_LSH); }
+                       { write_exp_elt_opcode (pstate, BINOP_LSH); }
        ;
 
 exp    :       exp RSH exp
-                       { write_exp_elt_opcode (BINOP_RSH); }
+                       { write_exp_elt_opcode (pstate, BINOP_RSH); }
        ;
 
 exp    :       exp '=' exp
-                       { write_exp_elt_opcode (BINOP_EQUAL); }
+                       { write_exp_elt_opcode (pstate, BINOP_EQUAL);
+                         current_type = parse_type (pstate)->builtin_bool;
+                       }
        ;
 
 exp    :       exp NOTEQUAL exp
-                       { write_exp_elt_opcode (BINOP_NOTEQUAL); }
+                       { write_exp_elt_opcode (pstate, BINOP_NOTEQUAL);
+                         current_type = parse_type (pstate)->builtin_bool;
+                       }
        ;
 
 exp    :       exp LEQ exp
-                       { write_exp_elt_opcode (BINOP_LEQ); }
+                       { write_exp_elt_opcode (pstate, BINOP_LEQ);
+                         current_type = parse_type (pstate)->builtin_bool;
+                       }
        ;
 
 exp    :       exp GEQ exp
-                       { write_exp_elt_opcode (BINOP_GEQ); }
+                       { write_exp_elt_opcode (pstate, BINOP_GEQ);
+                         current_type = parse_type (pstate)->builtin_bool;
+                       }
        ;
 
 exp    :       exp '<' exp
-                       { write_exp_elt_opcode (BINOP_LESS); }
+                       { write_exp_elt_opcode (pstate, BINOP_LESS);
+                         current_type = parse_type (pstate)->builtin_bool;
+                       }
        ;
 
 exp    :       exp '>' exp
-                       { write_exp_elt_opcode (BINOP_GTR); }
+                       { write_exp_elt_opcode (pstate, BINOP_GTR);
+                         current_type = parse_type (pstate)->builtin_bool;
+                       }
        ;
 
 exp    :       exp ANDAND exp
-                       { write_exp_elt_opcode (BINOP_BITWISE_AND); }
+                       { write_exp_elt_opcode (pstate, BINOP_BITWISE_AND); }
        ;
 
 exp    :       exp XOR exp
-                       { write_exp_elt_opcode (BINOP_BITWISE_XOR); }
+                       { write_exp_elt_opcode (pstate, BINOP_BITWISE_XOR); }
        ;
 
 exp    :       exp OR exp
-                       { write_exp_elt_opcode (BINOP_BITWISE_IOR); }
+                       { write_exp_elt_opcode (pstate, BINOP_BITWISE_IOR); }
        ;
 
 exp    :       exp ASSIGN exp
-                       { write_exp_elt_opcode (BINOP_ASSIGN); }
+                       { write_exp_elt_opcode (pstate, BINOP_ASSIGN); }
        ;
 
-exp    :       TRUE
-                       { write_exp_elt_opcode (OP_BOOL);
-                         write_exp_elt_longcst ((LONGEST) $1);
-                         write_exp_elt_opcode (OP_BOOL); }
+exp    :       TRUEKEYWORD
+                       { write_exp_elt_opcode (pstate, OP_BOOL);
+                         write_exp_elt_longcst (pstate, (LONGEST) $1);
+                         current_type = parse_type (pstate)->builtin_bool;
+                         write_exp_elt_opcode (pstate, OP_BOOL); }
        ;
 
-exp    :       FALSE
-                       { write_exp_elt_opcode (OP_BOOL);
-                         write_exp_elt_longcst ((LONGEST) $1);
-                         write_exp_elt_opcode (OP_BOOL); }
+exp    :       FALSEKEYWORD
+                       { write_exp_elt_opcode (pstate, OP_BOOL);
+                         write_exp_elt_longcst (pstate, (LONGEST) $1);
+                         current_type = parse_type (pstate)->builtin_bool;
+                         write_exp_elt_opcode (pstate, OP_BOOL); }
        ;
 
 exp    :       INT
-                       { write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type ($1.type);
-                         write_exp_elt_longcst ((LONGEST)($1.val));
-                         write_exp_elt_opcode (OP_LONG); }
+                       { write_exp_elt_opcode (pstate, OP_LONG);
+                         write_exp_elt_type (pstate, $1.type);
+                         current_type = $1.type;
+                         write_exp_elt_longcst (pstate, (LONGEST)($1.val));
+                         write_exp_elt_opcode (pstate, OP_LONG); }
        ;
 
 exp    :       NAME_OR_INT
                        { YYSTYPE val;
-                         parse_number ($1.stoken.ptr, $1.stoken.length, 0, &val);
-                         write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (val.typed_val_int.type);
-                         write_exp_elt_longcst ((LONGEST)val.typed_val_int.val);
-                         write_exp_elt_opcode (OP_LONG);
+                         parse_number (pstate, $1.stoken.ptr,
+                                       $1.stoken.length, 0, &val);
+                         write_exp_elt_opcode (pstate, OP_LONG);
+                         write_exp_elt_type (pstate, val.typed_val_int.type);
+                         current_type = val.typed_val_int.type;
+                         write_exp_elt_longcst (pstate, (LONGEST)
+                                                val.typed_val_int.val);
+                         write_exp_elt_opcode (pstate, OP_LONG);
                        }
        ;
 
 
 exp    :       FLOAT
-                       { write_exp_elt_opcode (OP_DOUBLE);
-                         write_exp_elt_type ($1.type);
-                         write_exp_elt_dblcst ($1.dval);
-                         write_exp_elt_opcode (OP_DOUBLE); }
+                       { write_exp_elt_opcode (pstate, OP_DOUBLE);
+                         write_exp_elt_type (pstate, $1.type);
+                         current_type = $1.type;
+                         write_exp_elt_dblcst (pstate, $1.dval);
+                         write_exp_elt_opcode (pstate, OP_DOUBLE); }
        ;
 
 exp    :       variable
        ;
 
 exp    :       VARIABLE
-                       /* Already written by write_dollar_variable. */
-       ;
+                       /* Already written by write_dollar_variable.
+                          Handle current_type.  */
+                       {  if (intvar) {
+                            struct value * val, * mark;
+
+                            mark = value_mark ();
+                            val = value_of_internalvar (parse_gdbarch (pstate),
+                                                        intvar);
+                            current_type = value_type (val);
+                            value_release_to_mark (mark);
+                          }
+                       }
+       ;
 
 exp    :       SIZEOF '(' type ')'     %prec UNARY
-                       { write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (builtin_type_int);
-                         CHECK_TYPEDEF ($3);
-                         write_exp_elt_longcst ((LONGEST) TYPE_LENGTH ($3));
-                         write_exp_elt_opcode (OP_LONG); }
+                       { write_exp_elt_opcode (pstate, OP_LONG);
+                         write_exp_elt_type (pstate,
+                                           parse_type (pstate)->builtin_int);
+                         current_type = parse_type (pstate)->builtin_int;
+                         $3 = check_typedef ($3);
+                         write_exp_elt_longcst (pstate,
+                                                (LONGEST) TYPE_LENGTH ($3));
+                         write_exp_elt_opcode (pstate, OP_LONG); }
        ;
 
+exp    :       SIZEOF  '(' exp ')'      %prec UNARY
+                       { write_exp_elt_opcode (pstate, UNOP_SIZEOF);
+                         current_type = parse_type (pstate)->builtin_int; }
+
 exp    :       STRING
                        { /* C strings are converted into array constants with
                             an explicit null byte added at the end.  Thus
                             the array upper bound is the string length.
                             There is no such thing in C as a completely empty
-                            string. */
-                         char *sp = $1.ptr; int count = $1.length;
+                            string.  */
+                         const char *sp = $1.ptr; int count = $1.length;
+
                          while (count-- > 0)
                            {
-                             write_exp_elt_opcode (OP_LONG);
-                             write_exp_elt_type (builtin_type_char);
-                             write_exp_elt_longcst ((LONGEST)(*sp++));
-                             write_exp_elt_opcode (OP_LONG);
+                             write_exp_elt_opcode (pstate, OP_LONG);
+                             write_exp_elt_type (pstate,
+                                                 parse_type (pstate)
+                                                 ->builtin_char);
+                             write_exp_elt_longcst (pstate,
+                                                    (LONGEST) (*sp++));
+                             write_exp_elt_opcode (pstate, OP_LONG);
                            }
-                         write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (builtin_type_char);
-                         write_exp_elt_longcst ((LONGEST)'\0');
-                         write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_opcode (OP_ARRAY);
-                         write_exp_elt_longcst ((LONGEST) 0);
-                         write_exp_elt_longcst ((LONGEST) ($1.length));
-                         write_exp_elt_opcode (OP_ARRAY); }
+                         write_exp_elt_opcode (pstate, OP_LONG);
+                         write_exp_elt_type (pstate,
+                                             parse_type (pstate)
+                                             ->builtin_char);
+                         write_exp_elt_longcst (pstate, (LONGEST)'\0');
+                         write_exp_elt_opcode (pstate, OP_LONG);
+                         write_exp_elt_opcode (pstate, OP_ARRAY);
+                         write_exp_elt_longcst (pstate, (LONGEST) 0);
+                         write_exp_elt_longcst (pstate,
+                                                (LONGEST) ($1.length));
+                         write_exp_elt_opcode (pstate, OP_ARRAY); }
        ;
 
 /* Object pascal  */
 exp    :       THIS
-                       { write_exp_elt_opcode (OP_THIS);
-                         write_exp_elt_opcode (OP_THIS); }
+                       {
+                         struct value * this_val;
+                         struct type * this_type;
+                         write_exp_elt_opcode (pstate, OP_THIS);
+                         write_exp_elt_opcode (pstate, OP_THIS);
+                         /* We need type of this.  */
+                         this_val
+                           = value_of_this_silent (parse_language (pstate));
+                         if (this_val)
+                           this_type = value_type (this_val);
+                         else
+                           this_type = NULL;
+                         if (this_type)
+                           {
+                             if (TYPE_CODE (this_type) == TYPE_CODE_PTR)
+                               {
+                                 this_type = TYPE_TARGET_TYPE (this_type);
+                                 write_exp_elt_opcode (pstate, UNOP_IND);
+                               }
+                           }
+
+                         current_type = this_type;
+                       }
        ;
 
 /* end of object pascal.  */
 
 block  :       BLOCKNAME
                        {
-                         if ($1.sym != 0)
-                             $$ = SYMBOL_BLOCK_VALUE ($1.sym);
+                         if ($1.sym.symbol != 0)
+                             $$ = SYMBOL_BLOCK_VALUE ($1.sym.symbol);
                          else
                            {
                              struct symtab *tem =
                                  lookup_symtab (copy_name ($1.stoken));
                              if (tem)
-                               $$ = BLOCKVECTOR_BLOCK (BLOCKVECTOR (tem), STATIC_BLOCK);
+                               $$ = BLOCKVECTOR_BLOCK (SYMTAB_BLOCKVECTOR (tem),
+                                                       STATIC_BLOCK);
                              else
-                               error ("No file or function \"%s\".",
+                               error (_("No file or function \"%s\"."),
                                       copy_name ($1.stoken));
                            }
                        }
@@ -526,42 +687,42 @@ block     :       BLOCKNAME
 block  :       block COLONCOLON name
                        { struct symbol *tem
                            = lookup_symbol (copy_name ($3), $1,
-                                            VAR_NAMESPACE, (int *) NULL,
-                                            (struct symtab **) NULL);
+                                            VAR_DOMAIN, NULL).symbol;
+
                          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:      block COLONCOLON name
-                       { struct symbol *sym;
+                       { struct block_symbol sym;
+
                          sym = lookup_symbol (copy_name ($3), $1,
-                                              VAR_NAMESPACE, (int *) NULL,
-                                              (struct symtab **) NULL);
-                         if (sym == 0)
-                           error ("No symbol \"%s\" in specified context.",
+                                              VAR_DOMAIN, NULL);
+                         if (sym.symbol == 0)
+                           error (_("No symbol \"%s\" in specified context."),
                                   copy_name ($3));
 
-                         write_exp_elt_opcode (OP_VAR_VALUE);
-                         /* block_found is set by lookup_symbol.  */
-                         write_exp_elt_block (block_found);
-                         write_exp_elt_sym (sym);
-                         write_exp_elt_opcode (OP_VAR_VALUE); }
+                         write_exp_elt_opcode (pstate, OP_VAR_VALUE);
+                         write_exp_elt_block (pstate, sym.block);
+                         write_exp_elt_sym (pstate, sym.symbol);
+                         write_exp_elt_opcode (pstate, OP_VAR_VALUE); }
        ;
 
 qualified_name:        typebase COLONCOLON name
                        {
                          struct type *type = $1;
+
                          if (TYPE_CODE (type) != TYPE_CODE_STRUCT
                              && TYPE_CODE (type) != TYPE_CODE_UNION)
-                           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);
-                         write_exp_elt_type (type);
-                         write_exp_string ($3);
-                         write_exp_elt_opcode (OP_SCOPE);
+                         write_exp_elt_opcode (pstate, OP_SCOPE);
+                         write_exp_elt_type (pstate, type);
+                         write_exp_string (pstate, $3);
+                         write_exp_elt_opcode (pstate, OP_SCOPE);
                        }
        ;
 
@@ -570,57 +731,51 @@ variable: qualified_name
                        {
                          char *name = copy_name ($2);
                          struct symbol *sym;
-                         struct minimal_symbol *msymbol;
+                         struct bound_minimal_symbol msymbol;
 
                          sym =
                            lookup_symbol (name, (const struct block *) NULL,
-                                          VAR_NAMESPACE, (int *) NULL,
-                                          (struct symtab **) NULL);
+                                          VAR_DOMAIN, NULL).symbol;
                          if (sym)
                            {
-                             write_exp_elt_opcode (OP_VAR_VALUE);
-                             write_exp_elt_block (NULL);
-                             write_exp_elt_sym (sym);
-                             write_exp_elt_opcode (OP_VAR_VALUE);
+                             write_exp_elt_opcode (pstate, OP_VAR_VALUE);
+                             write_exp_elt_block (pstate, NULL);
+                             write_exp_elt_sym (pstate, sym);
+                             write_exp_elt_opcode (pstate, OP_VAR_VALUE);
                              break;
                            }
 
-                         msymbol = lookup_minimal_symbol (name, NULL, NULL);
-                         if (msymbol != NULL)
-                           {
-                             write_exp_msymbol (msymbol,
-                                                lookup_function_type (builtin_type_int),
-                                                builtin_type_int);
-                           }
+                         msymbol = lookup_bound_minimal_symbol (name);
+                         if (msymbol.minsym != NULL)
+                           write_exp_msymbol (pstate, 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);
                        }
        ;
 
 variable:      name_not_typename
-                       { struct symbol *sym = $1.sym;
+                       { struct block_symbol sym = $1.sym;
 
-                         if (sym)
+                         if (sym.symbol)
                            {
-                             if (symbol_read_needs_frame (sym))
+                             if (symbol_read_needs_frame (sym.symbol))
                                {
-                                 if (innermost_block == 0 ||
-                                     contained_in (block_found,
-                                                   innermost_block))
-                                   innermost_block = block_found;
+                                 if (innermost_block == 0
+                                     || contained_in (sym.block,
+                                                      innermost_block))
+                                   innermost_block = sym.block;
                                }
 
-                             write_exp_elt_opcode (OP_VAR_VALUE);
-                             /* We want to use the selected frame, not
-                                another more inner frame which happens to
-                                be in the same block.  */
-                             write_exp_elt_block (NULL);
-                             write_exp_elt_sym (sym);
-                             write_exp_elt_opcode (OP_VAR_VALUE);
-                             current_type = sym->type; }
+                             write_exp_elt_opcode (pstate, OP_VAR_VALUE);
+                             write_exp_elt_block (pstate, sym.block);
+                             write_exp_elt_sym (pstate, sym.symbol);
+                             write_exp_elt_opcode (pstate, OP_VAR_VALUE);
+                             current_type = sym.symbol->type; }
                          else if ($1.is_a_field_of_this)
                            {
                              struct value * this_val;
@@ -628,44 +783,44 @@ variable: name_not_typename
                              /* Object pascal: it hangs off of `this'.  Must
                                 not inadvertently convert from a method call
                                 to data ref.  */
-                             if (innermost_block == 0 ||
-                                 contained_in (block_found, innermost_block))
-                               innermost_block = block_found;
-                             write_exp_elt_opcode (OP_THIS);
-                             write_exp_elt_opcode (OP_THIS);
-                             write_exp_elt_opcode (STRUCTOP_PTR);
-                             write_exp_string ($1.stoken);
-                             write_exp_elt_opcode (STRUCTOP_PTR);
-                             /* we need type of this */
-                             this_val = value_of_this (0); 
+                             if (innermost_block == 0
+                                 || contained_in (sym.block,
+                                                  innermost_block))
+                               innermost_block = sym.block;
+                             write_exp_elt_opcode (pstate, OP_THIS);
+                             write_exp_elt_opcode (pstate, OP_THIS);
+                             write_exp_elt_opcode (pstate, STRUCTOP_PTR);
+                             write_exp_string (pstate, $1.stoken);
+                             write_exp_elt_opcode (pstate, STRUCTOP_PTR);
+                             /* We need type of this.  */
+                             this_val
+                               = value_of_this_silent (parse_language (pstate));
                              if (this_val)
-                               this_type = this_val->type;
+                               this_type = value_type (this_val);
                              else
                                this_type = NULL;
                              if (this_type)
                                current_type = lookup_struct_elt_type (
                                  this_type,
-                                 $1.stoken.ptr, false);
+                                 copy_name ($1.stoken), 0);
                              else
-                               current_type = NULL; 
+                               current_type = NULL;
                            }
                          else
                            {
-                             struct minimal_symbol *msymbol;
-                             register char *arg = copy_name ($1.stoken);
+                             struct bound_minimal_symbol msymbol;
+                             char *arg = copy_name ($1.stoken);
 
                              msymbol =
-                               lookup_minimal_symbol (arg, NULL, NULL);
-                             if (msymbol != NULL)
-                               {
-                                 write_exp_msymbol (msymbol,
-                                                    lookup_function_type (builtin_type_int),
-                                                    builtin_type_int);
-                               }
-                             else if (!have_full_symbols () && !have_partial_symbols ())
-                               error ("No symbol table is loaded.  Use the \"file\" command.");
+                               lookup_bound_minimal_symbol (arg);
+                             if (msymbol.minsym != NULL)
+                               write_exp_msymbol (pstate, msymbol);
+                             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.",
+                               error (_("No symbol \"%s\" in current context."),
                                       copy_name ($1.stoken));
                            }
                        }
@@ -684,12 +839,12 @@ ptype     :       typebase
    is a pointer to member type.  Stroustrup loses again!  */
 
 type   :       ptype
-       |       typebase COLONCOLON '*'
-                       { $$ = lookup_member_type (builtin_type_int, $1); }
        ;
 
 typebase  /* Implements (approximately): (type-qualifier)* type-specifier */
-       :       TYPENAME
+       :       '^' typebase
+                       { $$ = lookup_pointer_type ($2); }
+       |       TYPENAME
                        { $$ = $1.type; }
        |       STRUCT name
                        { $$ = lookup_struct (copy_name ($2),
@@ -728,21 +883,18 @@ name_not_typename :       NAME
 /*** Needs some error checking for the float case ***/
 
 static int
-parse_number (p, len, parsed_float, putithere)
-     register char *p;
-     register int len;
-     int parsed_float;
-     YYSTYPE *putithere;
+parse_number (struct parser_state *par_state,
+             const char *p, int len, int parsed_float, YYSTYPE *putithere)
 {
   /* FIXME: Shouldn't these be unsigned?  We don't deal with negative values
      here, and we do kind of silly things like cast to unsigned.  */
-  register LONGEST n = 0;
-  register LONGEST prevn = 0;
+  LONGEST n = 0;
+  LONGEST prevn = 0;
   ULONGEST un;
 
-  register int i = 0;
-  register int c;
-  register int base = input_radix;
+  int i = 0;
+  int c;
+  int base = input_radix;
   int unsigned_p = 0;
 
   /* Number of "L" suffixes encountered.  */
@@ -757,49 +909,14 @@ parse_number (p, len, parsed_float, putithere)
 
   if (parsed_float)
     {
-      /* It's a float since it contains a point or an exponent.  */
-      char c;
-      int num = 0;     /* number of tokens scanned by scanf */
-      char saved_char = p[len];
-
-      p[len] = 0;      /* null-terminate the token */
-      if (sizeof (putithere->typed_val_float.dval) <= sizeof (float))
-       num = sscanf (p, "%g%c", (float *) &putithere->typed_val_float.dval,&c);
-      else if (sizeof (putithere->typed_val_float.dval) <= sizeof (double))
-       num = sscanf (p, "%lg%c", (double *) &putithere->typed_val_float.dval,&c);
-      else
-       {
-#ifdef SCANF_HAS_LONG_DOUBLE
-         num = sscanf (p, "%Lg%c", &putithere->typed_val_float.dval,&c);
-#else
-         /* Scan it into a double, then assign it to the long double.
-            This at least wins with values representable in the range
-            of doubles. */
-         double temp;
-         num = sscanf (p, "%lg%c", &temp,&c);
-         putithere->typed_val_float.dval = temp;
-#endif
-       }
-      p[len] = saved_char;     /* restore the input stream */
-      if (num != 1)            /* check scanf found ONLY a float ... */
-       return ERROR;
-      /* See if it has `f' or `l' suffix (float or long double).  */
-
-      c = tolower (p[len - 1]);
-
-      if (c == 'f')
-       putithere->typed_val_float.type = builtin_type_float;
-      else if (c == 'l')
-       putithere->typed_val_float.type = builtin_type_long_double;
-      else if (isdigit (c) || c == '.')
-       putithere->typed_val_float.type = builtin_type_double;
-      else
+      if (! parse_c_float (parse_gdbarch (par_state), p, len,
+                          &putithere->typed_val_float.dval,
+                          &putithere->typed_val_float.type))
        return ERROR;
-
       return FLOAT;
     }
 
-  /* Handle base-switching prefixes 0x, 0t, 0d, 0 */
+  /* Handle base-switching prefixes 0x, 0t, 0d, 0 */
   if (p[0] == '0')
     switch (p[1])
       {
@@ -865,21 +982,21 @@ parse_number (p, len, parsed_float, putithere)
            return ERROR;       /* Char not a digit */
        }
       if (i >= base)
-       return ERROR;           /* Invalid digit in this base */
+       return ERROR;           /* Invalid digit in this base */
 
       /* Portably test for overflow (only works for nonzero values, so make
         a second check for zero).  FIXME: Can't we just make n and prevn
         unsigned and avoid this?  */
       if (c != 'l' && c != 'u' && (prevn >= n) && n != 0)
-       unsigned_p = 1;         /* Try something unsigned */
+       unsigned_p = 1;         /* Try something unsigned */
 
       /* Portably test for unsigned overflow.
         FIXME: This check is wrong; for example it doesn't find overflow
         on 0x123456789 when LONGEST is 32 bits.  */
       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;
     }
@@ -891,16 +1008,17 @@ parse_number (p, len, parsed_float, putithere)
      shift it right and see whether anything remains.  Note that we
      can't shift sizeof (LONGEST) * HOST_CHAR_BIT bits or more in one
      operation, because many compilers will warn about such a shift
-     (which always produces a zero result).  Sometimes TARGET_INT_BIT
-     or TARGET_LONG_BIT will be that big, sometimes not.  To deal with
+     (which always produces a zero result).  Sometimes gdbarch_int_bit
+     or gdbarch_long_bit will be that big, sometimes not.  To deal with
      the case where it is we just always shift the value more than
      once, with fewer bits each time.  */
 
   un = (ULONGEST)n >> 2;
   if (long_p == 0
-      && (un >> (TARGET_INT_BIT - 2)) == 0)
+      && (un >> (gdbarch_int_bit (parse_gdbarch (par_state)) - 2)) == 0)
     {
-      high_bit = ((ULONGEST)1) << (TARGET_INT_BIT-1);
+      high_bit
+       = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch (par_state)) - 1);
 
       /* A large decimal (not hex or octal) constant (between INT_MAX
         and UINT_MAX) is a long or unsigned long, according to ANSI,
@@ -908,33 +1026,35 @@ parse_number (p, len, parsed_float, putithere)
         int.  This probably should be fixed.  GCC gives a warning on
         such constants.  */
 
-      unsigned_type = builtin_type_unsigned_int;
-      signed_type = builtin_type_int;
+      unsigned_type = parse_type (par_state)->builtin_unsigned_int;
+      signed_type = parse_type (par_state)->builtin_int;
     }
   else if (long_p <= 1
-          && (un >> (TARGET_LONG_BIT - 2)) == 0)
+          && (un >> (gdbarch_long_bit (parse_gdbarch (par_state)) - 2)) == 0)
     {
-      high_bit = ((ULONGEST)1) << (TARGET_LONG_BIT-1);
-      unsigned_type = builtin_type_unsigned_long;
-      signed_type = builtin_type_long;
+      high_bit
+       = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch (par_state)) - 1);
+      unsigned_type = parse_type (par_state)->builtin_unsigned_long;
+      signed_type = parse_type (par_state)->builtin_long;
     }
   else
     {
       int shift;
-      if (sizeof (ULONGEST) * HOST_CHAR_BIT < TARGET_LONG_LONG_BIT)
+      if (sizeof (ULONGEST) * HOST_CHAR_BIT
+         < gdbarch_long_long_bit (parse_gdbarch (par_state)))
        /* A long long does not fit in a LONGEST.  */
        shift = (sizeof (ULONGEST) * HOST_CHAR_BIT - 1);
       else
-       shift = (TARGET_LONG_LONG_BIT - 1);
+       shift = (gdbarch_long_long_bit (parse_gdbarch (par_state)) - 1);
       high_bit = (ULONGEST) 1 << shift;
-      unsigned_type = builtin_type_unsigned_long_long;
-      signed_type = builtin_type_long_long;
+      unsigned_type = parse_type (par_state)->builtin_unsigned_long_long;
+      signed_type = parse_type (par_state)->builtin_long_long;
     }
 
    putithere->typed_val_int.val = n;
 
    /* If the high bit of the worked out type is set then this number
-      has to be unsigned. */
+      has to be unsigned.  */
 
    if (unsigned_p || (n & high_bit))
      {
@@ -957,30 +1077,32 @@ struct type_push
 
 static struct type_push *tp_top = NULL;
 
-static void push_current_type ()
+static void
+push_current_type (void)
 {
   struct type_push *tpnew;
   tpnew = (struct type_push *) malloc (sizeof (struct type_push));
   tpnew->next = tp_top;
   tpnew->stored = current_type;
   current_type = NULL;
-  tp_top = tpnew; 
+  tp_top = tpnew;
 }
 
-static void pop_current_type ()
+static void
+pop_current_type (void)
 {
   struct type_push *tp = tp_top;
   if (tp)
     {
       current_type = tp->stored;
       tp_top = tp->next;
-      xfree (tp);
+      free (tp);
     }
 }
 
 struct token
 {
-  char *operator;
+  char *oper;
   int token;
   enum exp_opcode opcode;
 };
@@ -1007,11 +1129,10 @@ static const struct token tokentab2[] =
     {":=", ASSIGN, BINOP_END},
     {"::", COLONCOLON, BINOP_END} };
 
-/* Allocate uppercased var */
-/* make an uppercased copy of tokstart */
-static char * uptok (tokstart, namelen)
-  char *tokstart;
-  int namelen;
+/* Allocate uppercased var: */
+/* make an uppercased copy of tokstart.  */
+static char *
+uptok (const char *tokstart, int namelen)
 {
   int i;
   char *uptokstart = (char *)malloc(namelen+1);
@@ -1025,19 +1146,18 @@ static char * uptok (tokstart, namelen)
   uptokstart[namelen]='\0';
   return uptokstart;
 }
-/* Read one token, getting characters through lexptr.  */
 
+/* Read one token, getting characters through lexptr.  */
 
 static int
-yylex ()
+yylex (void)
 {
   int c;
   int namelen;
   unsigned int i;
-  char *tokstart;
+  const char *tokstart;
   char *uptokstart;
-  char *tokptr;
-  char *p;
+  const char *tokptr;
   int explen, tempbufindex;
   static char *tempbuf;
   static int tempbufsize;
@@ -1048,12 +1168,14 @@ yylex ()
 
   tokstart = lexptr;
   explen = strlen (lexptr);
+
   /* See if it is a special token of length 3.  */
   if (explen > 2)
     for (i = 0; i < sizeof (tokentab3) / sizeof (tokentab3[0]); i++)
-      if (strncasecmp (tokstart, tokentab3[i].operator, 3) == 0
-          && (!isalpha (tokentab3[i].operator[0]) || explen == 3
-              || (!isalpha (tokstart[3]) && !isdigit (tokstart[3]) && tokstart[3] != '_')))
+      if (strncasecmp (tokstart, tokentab3[i].oper, 3) == 0
+          && (!isalpha (tokentab3[i].oper[0]) || explen == 3
+              || (!isalpha (tokstart[3])
+                 && !isdigit (tokstart[3]) && tokstart[3] != '_')))
         {
           lexptr += 3;
           yylval.opcode = tokentab3[i].opcode;
@@ -1063,9 +1185,10 @@ yylex ()
   /* See if it is a special token of length 2.  */
   if (explen > 1)
   for (i = 0; i < sizeof (tokentab2) / sizeof (tokentab2[0]); i++)
-      if (strncasecmp (tokstart, tokentab2[i].operator, 2) == 0
-          && (!isalpha (tokentab2[i].operator[0]) || explen == 2
-              || (!isalpha (tokstart[2]) && !isdigit (tokstart[2]) && tokstart[2] != '_')))
+      if (strncasecmp (tokstart, tokentab2[i].oper, 2) == 0
+          && (!isalpha (tokentab2[i].oper[0]) || explen == 2
+              || (!isalpha (tokstart[2])
+                 && !isdigit (tokstart[2]) && tokstart[2] != '_')))
         {
           lexptr += 2;
           yylval.opcode = tokentab2[i].opcode;
@@ -1075,7 +1198,10 @@ yylex ()
   switch (c = *tokstart)
     {
     case 0:
-      return 0;
+      if (search_field && parse_completion)
+       return COMPLETE;
+      else
+       return 0;
 
     case ' ':
     case '\t':
@@ -1086,16 +1212,16 @@ yylex ()
     case '\'':
       /* We either have a character constant ('0' or '\177' for example)
         or we have a quoted symbol reference ('foo(int,int)' in object pascal
-        for example). */
+        for example).  */
       lexptr++;
       c = *lexptr++;
       if (c == '\\')
-       c = parse_escape (&lexptr);
+       c = parse_escape (parse_gdbarch (pstate), &lexptr);
       else if (c == '\'')
-       error ("Empty character constant.");
+       error (_("Empty character constant."));
 
       yylval.typed_val_int.val = c;
-      yylval.typed_val_int.type = builtin_type_char;
+      yylval.typed_val_int.type = parse_type (pstate)->builtin_char;
 
       c = *lexptr++;
       if (c != '\'')
@@ -1105,13 +1231,13 @@ yylex ()
            {
              lexptr = tokstart + namelen;
              if (lexptr[-1] != '\'')
-               error ("Unmatched single quote.");
+               error (_("Unmatched single quote."));
              namelen -= 2;
               tokstart++;
               uptokstart = uptok(tokstart,namelen);
              goto tryname;
            }
-         error ("Invalid character constant.");
+         error (_("Invalid character constant."));
        }
       return INT;
 
@@ -1136,7 +1262,10 @@ yylex ()
     case '.':
       /* Might be a floating point number.  */
       if (lexptr[1] < '0' || lexptr[1] > '9')
-       goto symbol;            /* Nope, must be a symbol. */
+       {
+         goto symbol;          /* Nope, must be a symbol.  */
+       }
+
       /* FALL THRU into number case.  */
 
     case '0':
@@ -1152,7 +1281,7 @@ yylex ()
       {
        /* It's a number.  */
        int got_dot = 0, got_e = 0, toktype;
-       register char *p = tokstart;
+       const char *p = tokstart;
        int hex = input_radix > 10;
 
        if (c == '0' && (p[1] == 'x' || p[1] == 'X'))
@@ -1160,7 +1289,8 @@ yylex ()
            p += 2;
            hex = 1;
          }
-       else if (c == '0' && (p[1]=='t' || p[1]=='T' || p[1]=='d' || p[1]=='D'))
+       else if (c == '0' && (p[1]=='t' || p[1]=='T'
+                             || p[1]=='d' || p[1]=='D'))
          {
            p += 2;
            hex = 0;
@@ -1189,14 +1319,15 @@ yylex ()
                                  && (*p < 'A' || *p > 'Z')))
              break;
          }
-       toktype = parse_number (tokstart, p - tokstart, got_dot|got_e, &yylval);
+       toktype = parse_number (pstate, tokstart,
+                               p - tokstart, got_dot | got_e, &yylval);
         if (toktype == ERROR)
          {
            char *err_copy = (char *) alloca (p - tokstart + 1);
 
            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;
@@ -1234,14 +1365,14 @@ yylex ()
         the buffer contains no embedded nulls.  Gdb does not depend
         upon the buffer being null byte terminated, it uses the length
         string instead.  This allows gdb to handle C strings (as well
-        as strings in other languages) with embedded null bytes */
+        as strings in other languages) with embedded null bytes */
 
       tokptr = ++tokstart;
       tempbufindex = 0;
 
       do {
        /* Grow the static temp buffer if necessary, including allocating
-          the first one on demand. */
+          the first one on demand.  */
        if (tempbufindex + 1 >= tempbufsize)
          {
            tempbuf = (char *) realloc (tempbuf, tempbufsize += 64);
@@ -1251,11 +1382,11 @@ yylex ()
          {
          case '\0':
          case '"':
-           /* Do nothing, loop will terminate. */
+           /* Do nothing, loop will terminate.  */
            break;
          case '\\':
-           tokptr++;
-           c = parse_escape (&tokptr);
+           ++tokptr;
+           c = parse_escape (parse_gdbarch (pstate), &tokptr);
            if (c == -1)
              {
                continue;
@@ -1269,9 +1400,9 @@ yylex ()
       } while ((*tokptr != '"') && (*tokptr != '\0'));
       if (*tokptr++ != '"')
        {
-         error ("Unterminated string in expression.");
+         error (_("Unterminated string in expression."));
        }
-      tempbuf[tempbufindex] = '\0';    /* See note above */
+      tempbuf[tempbufindex] = '\0';    /* See note above */
       yylval.sval.ptr = tempbuf;
       yylval.sval.length = tempbufindex;
       lexptr = tokptr;
@@ -1281,7 +1412,7 @@ yylex ()
   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;
@@ -1311,7 +1442,7 @@ yylex ()
            break;
        }
 
-      /* do NOT uppercase internals because of registers !!! */
+      /* do NOT uppercase internals because of registers !!!  */
       c = tokstart[++namelen];
     }
 
@@ -1321,6 +1452,7 @@ yylex ()
      removed from the input stream.  */
   if (namelen == 2 && uptokstart[0] == 'I' && uptokstart[1] == 'F')
     {
+      free (uptokstart);
       return 0;
     }
 
@@ -1332,38 +1464,54 @@ yylex ()
   switch (namelen)
     {
     case 6:
-      if (STREQ (uptokstart, "OBJECT"))
-       return CLASS;
-      if (STREQ (uptokstart, "RECORD"))
-       return STRUCT;
-      if (STREQ (uptokstart, "SIZEOF"))
-       return SIZEOF;
+      if (strcmp (uptokstart, "OBJECT") == 0)
+       {
+         free (uptokstart);
+         return CLASS;
+       }
+      if (strcmp (uptokstart, "RECORD") == 0)
+       {
+         free (uptokstart);
+         return STRUCT;
+       }
+      if (strcmp (uptokstart, "SIZEOF") == 0)
+       {
+         free (uptokstart);
+         return SIZEOF;
+       }
       break;
     case 5:
-      if (STREQ (uptokstart, "CLASS"))
-       return CLASS;
-      if (STREQ (uptokstart, "FALSE"))
+      if (strcmp (uptokstart, "CLASS") == 0)
+       {
+         free (uptokstart);
+         return CLASS;
+       }
+      if (strcmp (uptokstart, "FALSE") == 0)
        {
           yylval.lval = 0;
-          return FALSE;
+         free (uptokstart);
+          return FALSEKEYWORD;
         }
       break;
     case 4:
-      if (STREQ (uptokstart, "TRUE"))
+      if (strcmp (uptokstart, "TRUE") == 0)
        {
           yylval.lval = 1;
-         return TRUE;
+         free (uptokstart);
+         return TRUEKEYWORD;
         }
-      if (STREQ (uptokstart, "SELF"))
+      if (strcmp (uptokstart, "SELF") == 0)
         {
-          /* here we search for 'this' like
-             inserted in FPC stabs debug info */
+          /* Here we search for 'this' like
+             inserted in FPC stabs debug info */
          static const char this_name[] = "this";
 
          if (lookup_symbol (this_name, expression_context_block,
-                            VAR_NAMESPACE, (int *) NULL,
-                            (struct symtab **) NULL))
-           return THIS;
+                            VAR_DOMAIN, NULL).symbol)
+           {
+             free (uptokstart);
+             return THIS;
+           }
        }
       break;
     default:
@@ -1375,11 +1523,18 @@ yylex ()
 
   if (*tokstart == '$')
     {
+      char *tmp;
+
       /* $ is the normal prefix for pascal hexadecimal values
         but this conflicts with the GDB use for debugger variables
         so in expression to enter hexadecimal values
         we still need to use C syntax with 0xff  */
-      write_dollar_variable (yylval.sval);
+      write_dollar_variable (pstate, yylval.sval);
+      tmp = alloca (namelen + 1);
+      memcpy (tmp, tokstart, namelen);
+      tmp[namelen] = '\0';
+      intvar = lookup_only_internalvar (tmp + 1);
+      free (uptokstart);
       return VARIABLE;
     }
 
@@ -1391,22 +1546,20 @@ yylex ()
   {
     char *tmp = copy_name (yylval.sval);
     struct symbol *sym;
-    int is_a_field_of_this = 0;
+    struct field_of_this_result is_a_field_of_this;
     int is_a_field = 0;
     int hextype;
 
-
+    is_a_field_of_this.type = NULL;
     if (search_field && current_type)
-      is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);    
+      is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
     if (is_a_field)
       sym = NULL;
     else
       sym = lookup_symbol (tmp, expression_context_block,
-                          VAR_NAMESPACE,
-                          &is_a_field_of_this,
-                          (struct symtab **) NULL);
+                          VAR_DOMAIN, &is_a_field_of_this).symbol;
     /* second chance uppercased (as Free Pascal does).  */
-    if (!sym && !is_a_field_of_this && !is_a_field)
+    if (!sym && is_a_field_of_this.type == NULL && !is_a_field)
       {
        for (i = 0; i <= namelen; i++)
          {
@@ -1414,23 +1567,15 @@ yylex ()
              tmp[i] -= ('a'-'A');
          }
        if (search_field && current_type)
-        is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);  
+        is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
        if (is_a_field)
         sym = NULL;
        else
         sym = lookup_symbol (tmp, expression_context_block,
-                        VAR_NAMESPACE,
-                        &is_a_field_of_this,
-                        (struct symtab **) NULL);
-       if (sym || is_a_field_of_this || is_a_field)
-         for (i = 0; i <= namelen; i++)
-           {
-             if ((tokstart[i] >= 'a' && tokstart[i] <= 'z'))
-               tokstart[i] -= ('a'-'A');
-           }
+                             VAR_DOMAIN, &is_a_field_of_this).symbol;
       }
     /* Third chance Capitalized (as GPC does).  */
-    if (!sym && !is_a_field_of_this && !is_a_field)
+    if (!sym && is_a_field_of_this.type == NULL && !is_a_field)
       {
        for (i = 0; i <= namelen; i++)
          {
@@ -1444,44 +1589,40 @@ yylex ()
              tmp[i] -= ('A'-'a');
           }
        if (search_field && current_type)
-        is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);  
+        is_a_field = (lookup_struct_elt_type (current_type, tmp, 1) != NULL);
        if (is_a_field)
         sym = NULL;
        else
         sym = lookup_symbol (tmp, expression_context_block,
-                         VAR_NAMESPACE,
-                         &is_a_field_of_this,
-                         (struct symtab **) NULL);
-       if (sym || is_a_field_of_this || is_a_field)
-          for (i = 0; i <= namelen; i++)
-            {
-              if (i == 0)
-                {
-                  if ((tokstart[i] >= 'a' && tokstart[i] <= 'z'))
-                    tokstart[i] -= ('a'-'A');
-                }
-              else
-                if ((tokstart[i] >= 'A' && tokstart[i] <= 'Z'))
-                  tokstart[i] -= ('A'-'a');
-            }
+                             VAR_DOMAIN, &is_a_field_of_this).symbol;
       }
 
-    if (is_a_field)
+    if (is_a_field || (is_a_field_of_this.type != NULL))
       {
        tempbuf = (char *) realloc (tempbuf, namelen + 1);
-       strncpy (tempbuf, tokstart, namelen); tempbuf [namelen] = 0;
+       strncpy (tempbuf, tmp, namelen);
+       tempbuf [namelen] = 0;
        yylval.sval.ptr = tempbuf;
-       yylval.sval.length = namelen; 
-       return FIELDNAME;
-      } 
+       yylval.sval.length = namelen;
+       yylval.ssym.sym.symbol = NULL;
+       yylval.ssym.sym.block = NULL;
+       free (uptokstart);
+        yylval.ssym.is_a_field_of_this = is_a_field_of_this.type != NULL;
+       if (is_a_field)
+         return FIELDNAME;
+       else
+         return NAME;
+      }
     /* Call lookup_symtab, not lookup_partial_symtab, in case there are
        no psymtabs (coff, xcoff, or some future change to blow away the
        psymtabs once once symbols are read).  */
-    if ((sym && SYMBOL_CLASS (sym) == LOC_BLOCK) ||
-        lookup_symtab (tmp))
+    if ((sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
+        || lookup_symtab (tmp))
       {
-       yylval.ssym.sym = sym;
-       yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+       yylval.ssym.sym.symbol = sym;
+       yylval.ssym.sym.block = NULL;
+       yylval.ssym.is_a_field_of_this = is_a_field_of_this.type != NULL;
+       free (uptokstart);
        return BLOCKNAME;
       }
     if (sym && SYMBOL_CLASS (sym) == LOC_TYPEDEF)
@@ -1496,8 +1637,8 @@ yylex ()
             distinction) named x, then this code incorrectly thinks we
             are dealing with nested types rather than a member function.  */
 
-         char *p;
-         char *namestart;
+         const char *p;
+         const char *namestart;
          struct symbol *best_sym;
 
          /* Look ahead to detect nested types.  This probably should be
@@ -1546,8 +1687,7 @@ yylex ()
                      memcpy (tmp1, namestart, p - namestart);
                      tmp1[p - namestart] = '\0';
                      cur_sym = lookup_symbol (ncopy, expression_context_block,
-                                              VAR_NAMESPACE, (int *) NULL,
-                                              (struct symtab **) NULL);
+                                              VAR_DOMAIN, NULL).symbol;
                      if (cur_sym)
                        {
                          if (SYMBOL_CLASS (cur_sym) == LOC_TYPEDEF)
@@ -1572,42 +1712,65 @@ yylex ()
 #else /* not 0 */
          yylval.tsym.type = SYMBOL_TYPE (sym);
 #endif /* not 0 */
+         free (uptokstart);
          return TYPENAME;
         }
-    if ((yylval.tsym.type = lookup_primitive_typename (tmp)) != 0)
+    yylval.tsym.type
+      = language_lookup_primitive_type (parse_language (pstate),
+                                       parse_gdbarch (pstate), tmp);
+    if (yylval.tsym.type != NULL)
+      {
+       free (uptokstart);
        return TYPENAME;
+      }
 
     /* Input names that aren't symbols but ARE valid hex numbers,
        when the input radix permits them, can be names or numbers
        depending on the parse.  Note we support radixes > 16 here.  */
-    if (!sym &&
-        ((tokstart[0] >= 'a' && tokstart[0] < 'a' + input_radix - 10) ||
-         (tokstart[0] >= 'A' && tokstart[0] < 'A' + input_radix - 10)))
+    if (!sym
+        && ((tokstart[0] >= 'a' && tokstart[0] < 'a' + input_radix - 10)
+            || (tokstart[0] >= 'A' && tokstart[0] < 'A' + input_radix - 10)))
       {
        YYSTYPE newlval;        /* Its value is ignored.  */
-       hextype = parse_number (tokstart, namelen, 0, &newlval);
+       hextype = parse_number (pstate, tokstart, namelen, 0, &newlval);
        if (hextype == INT)
          {
-           yylval.ssym.sym = sym;
-           yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+           yylval.ssym.sym.symbol = sym;
+           yylval.ssym.sym.block = NULL;
+           yylval.ssym.is_a_field_of_this = is_a_field_of_this.type != NULL;
+           free (uptokstart);
            return NAME_OR_INT;
          }
       }
 
     free(uptokstart);
-    /* Any other kind of symbol */
-    yylval.ssym.sym = sym;
-    yylval.ssym.is_a_field_of_this = is_a_field_of_this;
+    /* Any other kind of symbol */
+    yylval.ssym.sym.symbol = sym;
+    yylval.ssym.sym.block = NULL;
     return NAME;
   }
 }
 
+int
+pascal_parse (struct parser_state *par_state)
+{
+  int result;
+  struct cleanup *c = make_cleanup_clear_parser_state (&pstate);
+
+  /* Setting up the parser state.  */
+  gdb_assert (par_state != NULL);
+  pstate = par_state;
+
+  result = yyparse ();
+  do_cleanups (c);
+  return result;
+}
+
 void
-yyerror (msg)
-     char *msg;
+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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