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/* YACC parser for Ada expressions, for GDB.
/* YACC parser for Ada expressions, for GDB.
   Copyright (C) 1986, 1989, 1990, 1991, 1993, 1994, 1997, 2000, 2003, 2004,
   Copyright (C) 1986, 1989, 1990, 1991, 1993, 1994, 1997, 2000, 2003, 2004,
   2007, 2008 Free Software Foundation, Inc.
   2007, 2008 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
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
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
(at your option) any later version.
This program is distributed in the hope that it will be useful,
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.  */
Boston, MA 02110-1301, USA.  */
/* Parse an Ada expression from text in a string,
/* Parse an Ada expression from text in a string,
   and return the result as a  struct expression  pointer.
   and return the result as a  struct expression  pointer.
   That structure contains arithmetic operations in reverse polish,
   That structure contains arithmetic operations in reverse polish,
   with constants represented by operations that are followed by special data.
   with constants represented by operations that are followed by special data.
   See expression.h for the details of the format.
   See expression.h for the details of the format.
   What is important here is that it can be built up sequentially
   What is important here is that it can be built up sequentially
   during the process of parsing; the lower levels of the tree always
   during the process of parsing; the lower levels of the tree always
   come first in the result.
   come first in the result.
   malloc's and realloc's in this file are transformed to
   malloc's and realloc's in this file are transformed to
   xmalloc and xrealloc respectively by the same sed command in the
   xmalloc and xrealloc respectively by the same sed command in the
   makefile that remaps any other malloc/realloc inserted by the parser
   makefile that remaps any other malloc/realloc inserted by the parser
   generator.  Doing this with #defines and trying to control the interaction
   generator.  Doing this with #defines and trying to control the interaction
   with include files ( and  for example) just became
   with include files ( and  for example) just became
   too messy, particularly when such includes can be inserted at random
   too messy, particularly when such includes can be inserted at random
   times by the parser generator.  */
   times by the parser generator.  */
%{
%{
#include "defs.h"
#include "defs.h"
#include "gdb_string.h"
#include "gdb_string.h"
#include 
#include 
#include "expression.h"
#include "expression.h"
#include "value.h"
#include "value.h"
#include "parser-defs.h"
#include "parser-defs.h"
#include "language.h"
#include "language.h"
#include "ada-lang.h"
#include "ada-lang.h"
#include "bfd.h" /* Required by objfiles.h.  */
#include "bfd.h" /* Required by objfiles.h.  */
#include "symfile.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 "frame.h"
#include "frame.h"
#include "block.h"
#include "block.h"
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
   as well as gratuitiously global symbol names, so we can have multiple
   as well as gratuitiously global symbol names, so we can have multiple
   yacc generated parsers in gdb.  These are only the variables
   yacc generated parsers in gdb.  These are only the variables
   produced by yacc.  If other parser generators (bison, byacc, etc) produce
   produced by yacc.  If other parser generators (bison, byacc, etc) produce
   additional global names that conflict at link time, then those parser
   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.  */
/* NOTE: This is clumsy, especially since BISON and FLEX provide --prefix
/* NOTE: This is clumsy, especially since BISON and FLEX provide --prefix
   options.  I presume we are maintaining it to accommodate systems
   options.  I presume we are maintaining it to accommodate systems
   without BISON?  (PNH) */
   without BISON?  (PNH) */
#define yymaxdepth ada_maxdepth
#define yymaxdepth ada_maxdepth
#define yyparse _ada_parse      /* ada_parse calls this after  initialization */
#define yyparse _ada_parse      /* ada_parse calls this after  initialization */
#define yylex   ada_lex
#define yylex   ada_lex
#define yyerror ada_error
#define yyerror ada_error
#define yylval  ada_lval
#define yylval  ada_lval
#define yychar  ada_char
#define yychar  ada_char
#define yydebug ada_debug
#define yydebug ada_debug
#define yypact  ada_pact
#define yypact  ada_pact
#define yyr1    ada_r1
#define yyr1    ada_r1
#define yyr2    ada_r2
#define yyr2    ada_r2
#define yydef   ada_def
#define yydef   ada_def
#define yychk   ada_chk
#define yychk   ada_chk
#define yypgo   ada_pgo
#define yypgo   ada_pgo
#define yyact   ada_act
#define yyact   ada_act
#define yyexca  ada_exca
#define yyexca  ada_exca
#define yyerrflag ada_errflag
#define yyerrflag ada_errflag
#define yynerrs ada_nerrs
#define yynerrs ada_nerrs
#define yyps    ada_ps
#define yyps    ada_ps
#define yypv    ada_pv
#define yypv    ada_pv
#define yys     ada_s
#define yys     ada_s
#define yy_yys  ada_yys
#define yy_yys  ada_yys
#define yystate ada_state
#define yystate ada_state
#define yytmp   ada_tmp
#define yytmp   ada_tmp
#define yyv     ada_v
#define yyv     ada_v
#define yy_yyv  ada_yyv
#define yy_yyv  ada_yyv
#define yyval   ada_val
#define yyval   ada_val
#define yylloc  ada_lloc
#define yylloc  ada_lloc
#define yyreds  ada_reds                /* With YYDEBUG defined */
#define yyreds  ada_reds                /* With YYDEBUG defined */
#define yytoks  ada_toks                /* With YYDEBUG defined */
#define yytoks  ada_toks                /* With YYDEBUG defined */
#define yyname  ada_name                /* With YYDEBUG defined */
#define yyname  ada_name                /* With YYDEBUG defined */
#define yyrule  ada_rule                /* With YYDEBUG defined */
#define yyrule  ada_rule                /* With YYDEBUG defined */
#ifndef YYDEBUG
#ifndef YYDEBUG
#define YYDEBUG 1               /* Default to yydebug support */
#define YYDEBUG 1               /* Default to yydebug support */
#endif
#endif
#define YYFPRINTF parser_fprintf
#define YYFPRINTF parser_fprintf
struct name_info {
struct name_info {
  struct symbol *sym;
  struct symbol *sym;
  struct minimal_symbol *msym;
  struct minimal_symbol *msym;
  struct block *block;
  struct block *block;
  struct stoken stoken;
  struct stoken stoken;
};
};
static struct stoken empty_stoken = { "", 0 };
static struct stoken empty_stoken = { "", 0 };
/* If expression is in the context of TYPE'(...), then TYPE, else
/* If expression is in the context of TYPE'(...), then TYPE, else
 * NULL.  */
 * NULL.  */
static struct type *type_qualifier;
static struct type *type_qualifier;
int yyparse (void);
int yyparse (void);
static int yylex (void);
static int yylex (void);
void yyerror (char *);
void yyerror (char *);
static struct stoken string_to_operator (struct stoken);
static struct stoken string_to_operator (struct stoken);
static void write_int (LONGEST, struct type *);
static void write_int (LONGEST, struct type *);
static void write_object_renaming (struct block *, const char *, int,
static void write_object_renaming (struct block *, const char *, int,
                                   const char *, int);
                                   const char *, int);
static struct type* write_var_or_type (struct block *, struct stoken);
static struct type* write_var_or_type (struct block *, struct stoken);
static void write_name_assoc (struct stoken);
static void write_name_assoc (struct stoken);
static void write_exp_op_with_string (enum exp_opcode, struct stoken);
static void write_exp_op_with_string (enum exp_opcode, struct stoken);
static struct block *block_lookup (struct block *, char *);
static struct block *block_lookup (struct block *, char *);
static LONGEST convert_char_literal (struct type *, LONGEST);
static LONGEST convert_char_literal (struct type *, LONGEST);
static void write_ambiguous_var (struct block *, char *, int);
static void write_ambiguous_var (struct block *, char *, int);
static struct type *type_int (void);
static struct type *type_int (void);
static struct type *type_long (void);
static struct type *type_long (void);
static struct type *type_long_long (void);
static struct type *type_long_long (void);
static struct type *type_float (void);
static struct type *type_float (void);
static struct type *type_double (void);
static struct type *type_double (void);
static struct type *type_long_double (void);
static struct type *type_long_double (void);
static struct type *type_char (void);
static struct type *type_char (void);
static struct type *type_system_address (void);
static struct type *type_system_address (void);
%}
%}
%union
%union
  {
  {
    LONGEST lval;
    LONGEST lval;
    struct {
    struct {
      LONGEST val;
      LONGEST val;
      struct type *type;
      struct type *type;
    } typed_val;
    } typed_val;
    struct {
    struct {
      DOUBLEST dval;
      DOUBLEST dval;
      struct type *type;
      struct type *type;
    } typed_val_float;
    } typed_val_float;
    struct type *tval;
    struct type *tval;
    struct stoken sval;
    struct stoken sval;
    struct block *bval;
    struct block *bval;
    struct internalvar *ivar;
    struct internalvar *ivar;
  }
  }
%type  positional_list component_groups component_associations
%type  positional_list component_groups component_associations
%type  aggregate_component_list
%type  aggregate_component_list
%type  var_or_type
%type  var_or_type
%token  INT NULL_PTR CHARLIT
%token  INT NULL_PTR CHARLIT
%token  FLOAT
%token  FLOAT
%token COLONCOLON
%token COLONCOLON
%token  STRING NAME DOT_ID
%token  STRING NAME DOT_ID
%type  block
%type  block
%type  arglist tick_arglist
%type  arglist tick_arglist
%type  save_qualifier
%type  save_qualifier
%token DOT_ALL
%token DOT_ALL
/* Special type cases, put in to allow the parser to distinguish different
/* Special type cases, put in to allow the parser to distinguish different
   legal basetypes.  */
   legal basetypes.  */
%token  SPECIAL_VARIABLE
%token  SPECIAL_VARIABLE
%nonassoc ASSIGN
%nonassoc ASSIGN
%left _AND_ OR XOR THEN ELSE
%left _AND_ OR XOR THEN ELSE
%left '=' NOTEQUAL '<' '>' LEQ GEQ IN DOTDOT
%left '=' NOTEQUAL '<' '>' LEQ GEQ IN DOTDOT
%left '@'
%left '@'
%left '+' '-' '&'
%left '+' '-' '&'
%left UNARY
%left UNARY
%left '*' '/' MOD REM
%left '*' '/' MOD REM
%right STARSTAR ABS NOT
%right STARSTAR ABS NOT
/* Artificial token to give NAME => ... and NAME | priority over reducing
/* Artificial token to give NAME => ... and NAME | priority over reducing
   NAME to  and to give ' priority over reducing 
   NAME to  and to give ' priority over reducing 
   to . */
   to . */
%nonassoc VAR
%nonassoc VAR
%nonassoc ARROW '|'
%nonassoc ARROW '|'
%right TICK_ACCESS TICK_ADDRESS TICK_FIRST TICK_LAST TICK_LENGTH
%right TICK_ACCESS TICK_ADDRESS TICK_FIRST TICK_LAST TICK_LENGTH
%right TICK_MAX TICK_MIN TICK_MODULUS
%right TICK_MAX TICK_MIN TICK_MODULUS
%right TICK_POS TICK_RANGE TICK_SIZE TICK_TAG TICK_VAL
%right TICK_POS TICK_RANGE TICK_SIZE TICK_TAG TICK_VAL
 /* The following are right-associative only so that reductions at this
 /* The following are right-associative only so that reductions at this
    precedence have lower precedence than '.' and '('.  The syntax still
    precedence have lower precedence than '.' and '('.  The syntax still
    forces a.b.c, e.g., to be LEFT-associated.  */
    forces a.b.c, e.g., to be LEFT-associated.  */
%right '.' '(' '[' DOT_ID DOT_ALL
%right '.' '(' '[' DOT_ID DOT_ALL
%token NEW OTHERS
%token NEW OTHERS


%%
%%
start   :       exp1
start   :       exp1
        ;
        ;
/* Expressions, including the sequencing operator.  */
/* Expressions, including the sequencing operator.  */
exp1    :       exp
exp1    :       exp
        |       exp1 ';' exp
        |       exp1 ';' exp
                        { write_exp_elt_opcode (BINOP_COMMA); }
                        { write_exp_elt_opcode (BINOP_COMMA); }
        |       primary ASSIGN exp   /* Extension for convenience */
        |       primary ASSIGN exp   /* Extension for convenience */
                        { write_exp_elt_opcode (BINOP_ASSIGN); }
                        { write_exp_elt_opcode (BINOP_ASSIGN); }
        ;
        ;
/* Expressions, not including the sequencing operator.  */
/* Expressions, not including the sequencing operator.  */
primary :       primary DOT_ALL
primary :       primary DOT_ALL
                        { write_exp_elt_opcode (UNOP_IND); }
                        { write_exp_elt_opcode (UNOP_IND); }
        ;
        ;
primary :       primary DOT_ID
primary :       primary DOT_ID
                        { write_exp_op_with_string (STRUCTOP_STRUCT, $2); }
                        { write_exp_op_with_string (STRUCTOP_STRUCT, $2); }
        ;
        ;
primary :       primary '(' arglist ')'
primary :       primary '(' arglist ')'
                        {
                        {
                          write_exp_elt_opcode (OP_FUNCALL);
                          write_exp_elt_opcode (OP_FUNCALL);
                          write_exp_elt_longcst ($3);
                          write_exp_elt_longcst ($3);
                          write_exp_elt_opcode (OP_FUNCALL);
                          write_exp_elt_opcode (OP_FUNCALL);
                        }
                        }
        |       var_or_type '(' arglist ')'
        |       var_or_type '(' arglist ')'
                        {
                        {
                          if ($1 != NULL)
                          if ($1 != NULL)
                            {
                            {
                              if ($3 != 1)
                              if ($3 != 1)
                                error (_("Invalid conversion"));
                                error (_("Invalid conversion"));
                              write_exp_elt_opcode (UNOP_CAST);
                              write_exp_elt_opcode (UNOP_CAST);
                              write_exp_elt_type ($1);
                              write_exp_elt_type ($1);
                              write_exp_elt_opcode (UNOP_CAST);
                              write_exp_elt_opcode (UNOP_CAST);
                            }
                            }
                          else
                          else
                            {
                            {
                              write_exp_elt_opcode (OP_FUNCALL);
                              write_exp_elt_opcode (OP_FUNCALL);
                              write_exp_elt_longcst ($3);
                              write_exp_elt_longcst ($3);
                              write_exp_elt_opcode (OP_FUNCALL);
                              write_exp_elt_opcode (OP_FUNCALL);
                            }
                            }
                        }
                        }
        ;
        ;
primary :       var_or_type '\'' save_qualifier { type_qualifier = $1; }
primary :       var_or_type '\'' save_qualifier { type_qualifier = $1; }
                   '(' exp ')'
                   '(' exp ')'
                        {
                        {
                          if ($1 == NULL)
                          if ($1 == NULL)
                            error (_("Type required for qualification"));
                            error (_("Type required for qualification"));
                          write_exp_elt_opcode (UNOP_QUAL);
                          write_exp_elt_opcode (UNOP_QUAL);
                          write_exp_elt_type ($1);
                          write_exp_elt_type ($1);
                          write_exp_elt_opcode (UNOP_QUAL);
                          write_exp_elt_opcode (UNOP_QUAL);
                          type_qualifier = $3;
                          type_qualifier = $3;
                        }
                        }
        ;
        ;
save_qualifier :        { $$ = type_qualifier; }
save_qualifier :        { $$ = type_qualifier; }
        ;
        ;
primary :
primary :
                primary '(' simple_exp DOTDOT simple_exp ')'
                primary '(' simple_exp DOTDOT simple_exp ')'
                        { write_exp_elt_opcode (TERNOP_SLICE); }
                        { write_exp_elt_opcode (TERNOP_SLICE); }
        |       var_or_type '(' simple_exp DOTDOT simple_exp ')'
        |       var_or_type '(' simple_exp DOTDOT simple_exp ')'
                        { if ($1 == NULL)
                        { if ($1 == NULL)
                            write_exp_elt_opcode (TERNOP_SLICE);
                            write_exp_elt_opcode (TERNOP_SLICE);
                          else
                          else
                            error (_("Cannot slice a type"));
                            error (_("Cannot slice a type"));
                        }
                        }
        ;
        ;
primary :       '(' exp1 ')'    { }
primary :       '(' exp1 ')'    { }
        ;
        ;
/* The following rule causes a conflict with the type conversion
/* The following rule causes a conflict with the type conversion
       var_or_type (exp)
       var_or_type (exp)
   To get around it, we give '(' higher priority and add bridge rules for
   To get around it, we give '(' higher priority and add bridge rules for
       var_or_type (exp, exp, ...)
       var_or_type (exp, exp, ...)
       var_or_type (exp .. exp)
       var_or_type (exp .. exp)
   We also have the action for  var_or_type(exp) generate a function call
   We also have the action for  var_or_type(exp) generate a function call
   when the first symbol does not denote a type. */
   when the first symbol does not denote a type. */
primary :       var_or_type     %prec VAR
primary :       var_or_type     %prec VAR
                        { if ($1 != NULL)
                        { if ($1 != NULL)
                            {
                            {
                              write_exp_elt_opcode (OP_TYPE);
                              write_exp_elt_opcode (OP_TYPE);
                              write_exp_elt_type ($1);
                              write_exp_elt_type ($1);
                              write_exp_elt_opcode (OP_TYPE);
                              write_exp_elt_opcode (OP_TYPE);
                            }
                            }
                        }
                        }
        ;
        ;
primary :       SPECIAL_VARIABLE /* Various GDB extensions */
primary :       SPECIAL_VARIABLE /* Various GDB extensions */
                        { write_dollar_variable ($1); }
                        { write_dollar_variable ($1); }
        ;
        ;
primary :       aggregate
primary :       aggregate
        ;
        ;
simple_exp :    primary
simple_exp :    primary
        ;
        ;
simple_exp :    '-' simple_exp    %prec UNARY
simple_exp :    '-' simple_exp    %prec UNARY
                        { write_exp_elt_opcode (UNOP_NEG); }
                        { write_exp_elt_opcode (UNOP_NEG); }
        ;
        ;
simple_exp :    '+' simple_exp    %prec UNARY
simple_exp :    '+' simple_exp    %prec UNARY
                        { write_exp_elt_opcode (UNOP_PLUS); }
                        { write_exp_elt_opcode (UNOP_PLUS); }
        ;
        ;
simple_exp :    NOT simple_exp    %prec UNARY
simple_exp :    NOT simple_exp    %prec UNARY
                        { write_exp_elt_opcode (UNOP_LOGICAL_NOT); }
                        { write_exp_elt_opcode (UNOP_LOGICAL_NOT); }
        ;
        ;
simple_exp :    ABS simple_exp     %prec UNARY
simple_exp :    ABS simple_exp     %prec UNARY
                        { write_exp_elt_opcode (UNOP_ABS); }
                        { write_exp_elt_opcode (UNOP_ABS); }
        ;
        ;
arglist :               { $$ = 0; }
arglist :               { $$ = 0; }
        ;
        ;
arglist :       exp
arglist :       exp
                        { $$ = 1; }
                        { $$ = 1; }
        |       NAME ARROW exp
        |       NAME ARROW exp
                        { $$ = 1; }
                        { $$ = 1; }
        |       arglist ',' exp
        |       arglist ',' exp
                        { $$ = $1 + 1; }
                        { $$ = $1 + 1; }
        |       arglist ',' NAME ARROW exp
        |       arglist ',' NAME ARROW exp
                        { $$ = $1 + 1; }
                        { $$ = $1 + 1; }
        ;
        ;
primary :       '{' var_or_type '}' primary  %prec '.'
primary :       '{' var_or_type '}' primary  %prec '.'
                /* GDB extension */
                /* GDB extension */
                        {
                        {
                          if ($2 == NULL)
                          if ($2 == NULL)
                            error (_("Type required within braces in coercion"));
                            error (_("Type required within braces in coercion"));
                          write_exp_elt_opcode (UNOP_MEMVAL);
                          write_exp_elt_opcode (UNOP_MEMVAL);
                          write_exp_elt_type ($2);
                          write_exp_elt_type ($2);
                          write_exp_elt_opcode (UNOP_MEMVAL);
                          write_exp_elt_opcode (UNOP_MEMVAL);
                        }
                        }
        ;
        ;
/* Binary operators in order of decreasing precedence.  */
/* Binary operators in order of decreasing precedence.  */
simple_exp      :       simple_exp STARSTAR simple_exp
simple_exp      :       simple_exp STARSTAR simple_exp
                        { write_exp_elt_opcode (BINOP_EXP); }
                        { write_exp_elt_opcode (BINOP_EXP); }
        ;
        ;
simple_exp      :       simple_exp '*' simple_exp
simple_exp      :       simple_exp '*' simple_exp
                        { write_exp_elt_opcode (BINOP_MUL); }
                        { write_exp_elt_opcode (BINOP_MUL); }
        ;
        ;
simple_exp      :       simple_exp '/' simple_exp
simple_exp      :       simple_exp '/' simple_exp
                        { write_exp_elt_opcode (BINOP_DIV); }
                        { write_exp_elt_opcode (BINOP_DIV); }
        ;
        ;
simple_exp      :       simple_exp REM simple_exp /* May need to be fixed to give correct Ada REM */
simple_exp      :       simple_exp REM simple_exp /* May need to be fixed to give correct Ada REM */
                        { write_exp_elt_opcode (BINOP_REM); }
                        { write_exp_elt_opcode (BINOP_REM); }
        ;
        ;
simple_exp      :       simple_exp MOD simple_exp
simple_exp      :       simple_exp MOD simple_exp
                        { write_exp_elt_opcode (BINOP_MOD); }
                        { write_exp_elt_opcode (BINOP_MOD); }
        ;
        ;
simple_exp      :       simple_exp '@' simple_exp       /* GDB extension */
simple_exp      :       simple_exp '@' simple_exp       /* GDB extension */
                        { write_exp_elt_opcode (BINOP_REPEAT); }
                        { write_exp_elt_opcode (BINOP_REPEAT); }
        ;
        ;
simple_exp      :       simple_exp '+' simple_exp
simple_exp      :       simple_exp '+' simple_exp
                        { write_exp_elt_opcode (BINOP_ADD); }
                        { write_exp_elt_opcode (BINOP_ADD); }
        ;
        ;
simple_exp      :       simple_exp '&' simple_exp
simple_exp      :       simple_exp '&' simple_exp
                        { write_exp_elt_opcode (BINOP_CONCAT); }
                        { write_exp_elt_opcode (BINOP_CONCAT); }
        ;
        ;
simple_exp      :       simple_exp '-' simple_exp
simple_exp      :       simple_exp '-' simple_exp
                        { write_exp_elt_opcode (BINOP_SUB); }
                        { write_exp_elt_opcode (BINOP_SUB); }
        ;
        ;
relation :      simple_exp
relation :      simple_exp
        ;
        ;
relation :      simple_exp '=' simple_exp
relation :      simple_exp '=' simple_exp
                        { write_exp_elt_opcode (BINOP_EQUAL); }
                        { write_exp_elt_opcode (BINOP_EQUAL); }
        ;
        ;
relation :      simple_exp NOTEQUAL simple_exp
relation :      simple_exp NOTEQUAL simple_exp
                        { write_exp_elt_opcode (BINOP_NOTEQUAL); }
                        { write_exp_elt_opcode (BINOP_NOTEQUAL); }
        ;
        ;
relation :      simple_exp LEQ simple_exp
relation :      simple_exp LEQ simple_exp
                        { write_exp_elt_opcode (BINOP_LEQ); }
                        { write_exp_elt_opcode (BINOP_LEQ); }
        ;
        ;
relation :      simple_exp IN simple_exp DOTDOT simple_exp
relation :      simple_exp IN simple_exp DOTDOT simple_exp
                        { write_exp_elt_opcode (TERNOP_IN_RANGE); }
                        { write_exp_elt_opcode (TERNOP_IN_RANGE); }
        |       simple_exp IN primary TICK_RANGE tick_arglist
        |       simple_exp IN primary TICK_RANGE tick_arglist
                        { write_exp_elt_opcode (BINOP_IN_BOUNDS);
                        { write_exp_elt_opcode (BINOP_IN_BOUNDS);
                          write_exp_elt_longcst ((LONGEST) $5);
                          write_exp_elt_longcst ((LONGEST) $5);
                          write_exp_elt_opcode (BINOP_IN_BOUNDS);
                          write_exp_elt_opcode (BINOP_IN_BOUNDS);
                        }
                        }
        |       simple_exp IN var_or_type       %prec TICK_ACCESS
        |       simple_exp IN var_or_type       %prec TICK_ACCESS
                        {
                        {
                          if ($3 == NULL)
                          if ($3 == NULL)
                            error (_("Right operand of 'in' must be type"));
                            error (_("Right operand of 'in' must be type"));
                          write_exp_elt_opcode (UNOP_IN_RANGE);
                          write_exp_elt_opcode (UNOP_IN_RANGE);
                          write_exp_elt_type ($3);
                          write_exp_elt_type ($3);
                          write_exp_elt_opcode (UNOP_IN_RANGE);
                          write_exp_elt_opcode (UNOP_IN_RANGE);
                        }
                        }
        |       simple_exp NOT IN simple_exp DOTDOT simple_exp
        |       simple_exp NOT IN simple_exp DOTDOT simple_exp
                        { write_exp_elt_opcode (TERNOP_IN_RANGE);
                        { write_exp_elt_opcode (TERNOP_IN_RANGE);
                          write_exp_elt_opcode (UNOP_LOGICAL_NOT);
                          write_exp_elt_opcode (UNOP_LOGICAL_NOT);
                        }
                        }
        |       simple_exp NOT IN primary TICK_RANGE tick_arglist
        |       simple_exp NOT IN primary TICK_RANGE tick_arglist
                        { write_exp_elt_opcode (BINOP_IN_BOUNDS);
                        { write_exp_elt_opcode (BINOP_IN_BOUNDS);
                          write_exp_elt_longcst ((LONGEST) $6);
                          write_exp_elt_longcst ((LONGEST) $6);
                          write_exp_elt_opcode (BINOP_IN_BOUNDS);
                          write_exp_elt_opcode (BINOP_IN_BOUNDS);
                          write_exp_elt_opcode (UNOP_LOGICAL_NOT);
                          write_exp_elt_opcode (UNOP_LOGICAL_NOT);
                        }
                        }
        |       simple_exp NOT IN var_or_type   %prec TICK_ACCESS
        |       simple_exp NOT IN var_or_type   %prec TICK_ACCESS
                        {
                        {
                          if ($4 == NULL)
                          if ($4 == NULL)
                            error (_("Right operand of 'in' must be type"));
                            error (_("Right operand of 'in' must be type"));
                          write_exp_elt_opcode (UNOP_IN_RANGE);
                          write_exp_elt_opcode (UNOP_IN_RANGE);
                          write_exp_elt_type ($4);
                          write_exp_elt_type ($4);
                          write_exp_elt_opcode (UNOP_IN_RANGE);
                          write_exp_elt_opcode (UNOP_IN_RANGE);
                          write_exp_elt_opcode (UNOP_LOGICAL_NOT);
                          write_exp_elt_opcode (UNOP_LOGICAL_NOT);
                        }
                        }
        ;
        ;
relation :      simple_exp GEQ simple_exp
relation :      simple_exp GEQ simple_exp
                        { write_exp_elt_opcode (BINOP_GEQ); }
                        { write_exp_elt_opcode (BINOP_GEQ); }
        ;
        ;
relation :      simple_exp '<' simple_exp
relation :      simple_exp '<' simple_exp
                        { write_exp_elt_opcode (BINOP_LESS); }
                        { write_exp_elt_opcode (BINOP_LESS); }
        ;
        ;
relation :      simple_exp '>' simple_exp
relation :      simple_exp '>' simple_exp
                        { write_exp_elt_opcode (BINOP_GTR); }
                        { write_exp_elt_opcode (BINOP_GTR); }
        ;
        ;
exp     :       relation
exp     :       relation
        |       and_exp
        |       and_exp
        |       and_then_exp
        |       and_then_exp
        |       or_exp
        |       or_exp
        |       or_else_exp
        |       or_else_exp
        |       xor_exp
        |       xor_exp
        ;
        ;
and_exp :
and_exp :
                relation _AND_ relation
                relation _AND_ relation
                        { write_exp_elt_opcode (BINOP_BITWISE_AND); }
                        { write_exp_elt_opcode (BINOP_BITWISE_AND); }
        |       and_exp _AND_ relation
        |       and_exp _AND_ relation
                        { write_exp_elt_opcode (BINOP_BITWISE_AND); }
                        { write_exp_elt_opcode (BINOP_BITWISE_AND); }
        ;
        ;
and_then_exp :
and_then_exp :
               relation _AND_ THEN relation
               relation _AND_ THEN relation
                        { write_exp_elt_opcode (BINOP_LOGICAL_AND); }
                        { write_exp_elt_opcode (BINOP_LOGICAL_AND); }
        |       and_then_exp _AND_ THEN relation
        |       and_then_exp _AND_ THEN relation
                        { write_exp_elt_opcode (BINOP_LOGICAL_AND); }
                        { write_exp_elt_opcode (BINOP_LOGICAL_AND); }
        ;
        ;
or_exp :
or_exp :
                relation OR relation
                relation OR relation
                        { write_exp_elt_opcode (BINOP_BITWISE_IOR); }
                        { write_exp_elt_opcode (BINOP_BITWISE_IOR); }
        |       or_exp OR relation
        |       or_exp OR relation
                        { write_exp_elt_opcode (BINOP_BITWISE_IOR); }
                        { write_exp_elt_opcode (BINOP_BITWISE_IOR); }
        ;
        ;
or_else_exp :
or_else_exp :
               relation OR ELSE relation
               relation OR ELSE relation
                        { write_exp_elt_opcode (BINOP_LOGICAL_OR); }
                        { write_exp_elt_opcode (BINOP_LOGICAL_OR); }
        |      or_else_exp OR ELSE relation
        |      or_else_exp OR ELSE relation
                        { write_exp_elt_opcode (BINOP_LOGICAL_OR); }
                        { write_exp_elt_opcode (BINOP_LOGICAL_OR); }
        ;
        ;
xor_exp :       relation XOR relation
xor_exp :       relation XOR relation
                        { write_exp_elt_opcode (BINOP_BITWISE_XOR); }
                        { write_exp_elt_opcode (BINOP_BITWISE_XOR); }
        |       xor_exp XOR relation
        |       xor_exp XOR relation
                        { write_exp_elt_opcode (BINOP_BITWISE_XOR); }
                        { write_exp_elt_opcode (BINOP_BITWISE_XOR); }
        ;
        ;
/* Primaries can denote types (OP_TYPE).  In cases such as
/* Primaries can denote types (OP_TYPE).  In cases such as
   primary TICK_ADDRESS, where a type would be invalid, it will be
   primary TICK_ADDRESS, where a type would be invalid, it will be
   caught when evaluate_subexp in ada-lang.c tries to evaluate the
   caught when evaluate_subexp in ada-lang.c tries to evaluate the
   primary, expecting a value.  Precedence rules resolve the ambiguity
   primary, expecting a value.  Precedence rules resolve the ambiguity
   in NAME TICK_ACCESS in favor of shifting to form a var_or_type.  A
   in NAME TICK_ACCESS in favor of shifting to form a var_or_type.  A
   construct such as aType'access'access will again cause an error when
   construct such as aType'access'access will again cause an error when
   aType'access evaluates to a type that evaluate_subexp attempts to
   aType'access evaluates to a type that evaluate_subexp attempts to
   evaluate. */
   evaluate. */
primary :       primary TICK_ACCESS
primary :       primary TICK_ACCESS
                        { write_exp_elt_opcode (UNOP_ADDR); }
                        { write_exp_elt_opcode (UNOP_ADDR); }
        |       primary TICK_ADDRESS
        |       primary TICK_ADDRESS
                        { write_exp_elt_opcode (UNOP_ADDR);
                        { write_exp_elt_opcode (UNOP_ADDR);
                          write_exp_elt_opcode (UNOP_CAST);
                          write_exp_elt_opcode (UNOP_CAST);
                          write_exp_elt_type (type_system_address ());
                          write_exp_elt_type (type_system_address ());
                          write_exp_elt_opcode (UNOP_CAST);
                          write_exp_elt_opcode (UNOP_CAST);
                        }
                        }
        |       primary TICK_FIRST tick_arglist
        |       primary TICK_FIRST tick_arglist
                        { write_int ($3, type_int ());
                        { write_int ($3, type_int ());
                          write_exp_elt_opcode (OP_ATR_FIRST); }
                          write_exp_elt_opcode (OP_ATR_FIRST); }
        |       primary TICK_LAST tick_arglist
        |       primary TICK_LAST tick_arglist
                        { write_int ($3, type_int ());
                        { write_int ($3, type_int ());
                          write_exp_elt_opcode (OP_ATR_LAST); }
                          write_exp_elt_opcode (OP_ATR_LAST); }
        |       primary TICK_LENGTH tick_arglist
        |       primary TICK_LENGTH tick_arglist
                        { write_int ($3, type_int ());
                        { write_int ($3, type_int ());
                          write_exp_elt_opcode (OP_ATR_LENGTH); }
                          write_exp_elt_opcode (OP_ATR_LENGTH); }
        |       primary TICK_SIZE
        |       primary TICK_SIZE
                        { write_exp_elt_opcode (OP_ATR_SIZE); }
                        { write_exp_elt_opcode (OP_ATR_SIZE); }
        |       primary TICK_TAG
        |       primary TICK_TAG
                        { write_exp_elt_opcode (OP_ATR_TAG); }
                        { write_exp_elt_opcode (OP_ATR_TAG); }
        |       opt_type_prefix TICK_MIN '(' exp ',' exp ')'
        |       opt_type_prefix TICK_MIN '(' exp ',' exp ')'
                        { write_exp_elt_opcode (OP_ATR_MIN); }
                        { write_exp_elt_opcode (OP_ATR_MIN); }
        |       opt_type_prefix TICK_MAX '(' exp ',' exp ')'
        |       opt_type_prefix TICK_MAX '(' exp ',' exp ')'
                        { write_exp_elt_opcode (OP_ATR_MAX); }
                        { write_exp_elt_opcode (OP_ATR_MAX); }
        |       opt_type_prefix TICK_POS '(' exp ')'
        |       opt_type_prefix TICK_POS '(' exp ')'
                        { write_exp_elt_opcode (OP_ATR_POS); }
                        { write_exp_elt_opcode (OP_ATR_POS); }
        |       type_prefix TICK_VAL '(' exp ')'
        |       type_prefix TICK_VAL '(' exp ')'
                        { write_exp_elt_opcode (OP_ATR_VAL); }
                        { write_exp_elt_opcode (OP_ATR_VAL); }
        |       type_prefix TICK_MODULUS
        |       type_prefix TICK_MODULUS
                        { write_exp_elt_opcode (OP_ATR_MODULUS); }
                        { write_exp_elt_opcode (OP_ATR_MODULUS); }
        ;
        ;
tick_arglist :                  %prec '('
tick_arglist :                  %prec '('
                        { $$ = 1; }
                        { $$ = 1; }
        |       '(' INT ')'
        |       '(' INT ')'
                        { $$ = $2.val; }
                        { $$ = $2.val; }
        ;
        ;
type_prefix :
type_prefix :
                var_or_type
                var_or_type
                        {
                        {
                          if ($1 == NULL)
                          if ($1 == NULL)
                            error (_("Prefix must be type"));
                            error (_("Prefix must be type"));
                          write_exp_elt_opcode (OP_TYPE);
                          write_exp_elt_opcode (OP_TYPE);
                          write_exp_elt_type ($1);
                          write_exp_elt_type ($1);
                          write_exp_elt_opcode (OP_TYPE); }
                          write_exp_elt_opcode (OP_TYPE); }
        ;
        ;
opt_type_prefix :
opt_type_prefix :
                type_prefix
                type_prefix
        |       /* EMPTY */
        |       /* EMPTY */
                        { write_exp_elt_opcode (OP_TYPE);
                        { write_exp_elt_opcode (OP_TYPE);
                          write_exp_elt_type (builtin_type_void);
                          write_exp_elt_type (builtin_type_void);
                          write_exp_elt_opcode (OP_TYPE); }
                          write_exp_elt_opcode (OP_TYPE); }
        ;
        ;
primary :       INT
primary :       INT
                        { write_int ((LONGEST) $1.val, $1.type); }
                        { write_int ((LONGEST) $1.val, $1.type); }
        ;
        ;
primary :       CHARLIT
primary :       CHARLIT
                  { write_int (convert_char_literal (type_qualifier, $1.val),
                  { write_int (convert_char_literal (type_qualifier, $1.val),
                               (type_qualifier == NULL)
                               (type_qualifier == NULL)
                               ? $1.type : type_qualifier);
                               ? $1.type : type_qualifier);
                  }
                  }
        ;
        ;
primary :       FLOAT
primary :       FLOAT
                        { write_exp_elt_opcode (OP_DOUBLE);
                        { write_exp_elt_opcode (OP_DOUBLE);
                          write_exp_elt_type ($1.type);
                          write_exp_elt_type ($1.type);
                          write_exp_elt_dblcst ($1.dval);
                          write_exp_elt_dblcst ($1.dval);
                          write_exp_elt_opcode (OP_DOUBLE);
                          write_exp_elt_opcode (OP_DOUBLE);
                        }
                        }
        ;
        ;
primary :       NULL_PTR
primary :       NULL_PTR
                        { write_int (0, type_int ()); }
                        { write_int (0, type_int ()); }
        ;
        ;
primary :       STRING
primary :       STRING
                        {
                        {
                          write_exp_op_with_string (OP_STRING, $1);
                          write_exp_op_with_string (OP_STRING, $1);
                        }
                        }
        ;
        ;
primary :       NEW NAME
primary :       NEW NAME
                        { error (_("NEW not implemented.")); }
                        { error (_("NEW not implemented.")); }
        ;
        ;
var_or_type:    NAME        %prec VAR
var_or_type:    NAME        %prec VAR
                                { $$ = write_var_or_type (NULL, $1); }
                                { $$ = write_var_or_type (NULL, $1); }
        |       block NAME  %prec VAR
        |       block NAME  %prec VAR
                                { $$ = write_var_or_type ($1, $2); }
                                { $$ = write_var_or_type ($1, $2); }
        |       NAME TICK_ACCESS
        |       NAME TICK_ACCESS
                        {
                        {
                          $$ = write_var_or_type (NULL, $1);
                          $$ = write_var_or_type (NULL, $1);
                          if ($$ == NULL)
                          if ($$ == NULL)
                            write_exp_elt_opcode (UNOP_ADDR);
                            write_exp_elt_opcode (UNOP_ADDR);
                          else
                          else
                            $$ = lookup_pointer_type ($$);
                            $$ = lookup_pointer_type ($$);
                        }
                        }
        |       block NAME TICK_ACCESS
        |       block NAME TICK_ACCESS
                        {
                        {
                          $$ = write_var_or_type ($1, $2);
                          $$ = write_var_or_type ($1, $2);
                          if ($$ == NULL)
                          if ($$ == NULL)
                            write_exp_elt_opcode (UNOP_ADDR);
                            write_exp_elt_opcode (UNOP_ADDR);
                          else
                          else
                            $$ = lookup_pointer_type ($$);
                            $$ = lookup_pointer_type ($$);
                        }
                        }
        ;
        ;
/* GDB extension */
/* GDB extension */
block   :       NAME COLONCOLON
block   :       NAME COLONCOLON
                        { $$ = block_lookup (NULL, $1.ptr); }
                        { $$ = block_lookup (NULL, $1.ptr); }
        |       block NAME COLONCOLON
        |       block NAME COLONCOLON
                        { $$ = block_lookup ($1, $2.ptr); }
                        { $$ = block_lookup ($1, $2.ptr); }
        ;
        ;
aggregate :
aggregate :
                '(' aggregate_component_list ')'
                '(' aggregate_component_list ')'
                        {
                        {
                          write_exp_elt_opcode (OP_AGGREGATE);
                          write_exp_elt_opcode (OP_AGGREGATE);
                          write_exp_elt_longcst ($2);
                          write_exp_elt_longcst ($2);
                          write_exp_elt_opcode (OP_AGGREGATE);
                          write_exp_elt_opcode (OP_AGGREGATE);
                        }
                        }
        ;
        ;
aggregate_component_list :
aggregate_component_list :
                component_groups         { $$ = $1; }
                component_groups         { $$ = $1; }
        |       positional_list exp
        |       positional_list exp
                        { write_exp_elt_opcode (OP_POSITIONAL);
                        { write_exp_elt_opcode (OP_POSITIONAL);
                          write_exp_elt_longcst ($1);
                          write_exp_elt_longcst ($1);
                          write_exp_elt_opcode (OP_POSITIONAL);
                          write_exp_elt_opcode (OP_POSITIONAL);
                          $$ = $1 + 1;
                          $$ = $1 + 1;
                        }
                        }
        |       positional_list component_groups
        |       positional_list component_groups
                                         { $$ = $1 + $2; }
                                         { $$ = $1 + $2; }
        ;
        ;
positional_list :
positional_list :
                exp ','
                exp ','
                        { write_exp_elt_opcode (OP_POSITIONAL);
                        { write_exp_elt_opcode (OP_POSITIONAL);
                          write_exp_elt_longcst (0);
                          write_exp_elt_longcst (0);
                          write_exp_elt_opcode (OP_POSITIONAL);
                          write_exp_elt_opcode (OP_POSITIONAL);
                          $$ = 1;
                          $$ = 1;
                        }
                        }
        |       positional_list exp ','
        |       positional_list exp ','
                        { write_exp_elt_opcode (OP_POSITIONAL);
                        { write_exp_elt_opcode (OP_POSITIONAL);
                          write_exp_elt_longcst ($1);
                          write_exp_elt_longcst ($1);
                          write_exp_elt_opcode (OP_POSITIONAL);
                          write_exp_elt_opcode (OP_POSITIONAL);
                          $$ = $1 + 1;
                          $$ = $1 + 1;
                        }
                        }
        ;
        ;
component_groups:
component_groups:
                others                   { $$ = 1; }
                others                   { $$ = 1; }
        |       component_group          { $$ = 1; }
        |       component_group          { $$ = 1; }
        |       component_group ',' component_groups
        |       component_group ',' component_groups
                                         { $$ = $3 + 1; }
                                         { $$ = $3 + 1; }
        ;
        ;
others  :       OTHERS ARROW exp
others  :       OTHERS ARROW exp
                        { write_exp_elt_opcode (OP_OTHERS); }
                        { write_exp_elt_opcode (OP_OTHERS); }
        ;
        ;
component_group :
component_group :
                component_associations
                component_associations
                        {
                        {
                          write_exp_elt_opcode (OP_CHOICES);
                          write_exp_elt_opcode (OP_CHOICES);
                          write_exp_elt_longcst ($1);
                          write_exp_elt_longcst ($1);
                          write_exp_elt_opcode (OP_CHOICES);
                          write_exp_elt_opcode (OP_CHOICES);
                        }
                        }
        ;
        ;
/* We use this somewhat obscure definition in order to handle NAME => and
/* We use this somewhat obscure definition in order to handle NAME => and
   NAME | differently from exp => and exp |.  ARROW and '|' have a precedence
   NAME | differently from exp => and exp |.  ARROW and '|' have a precedence
   above that of the reduction of NAME to var_or_type.  By delaying
   above that of the reduction of NAME to var_or_type.  By delaying
   decisions until after the => or '|', we convert the ambiguity to a
   decisions until after the => or '|', we convert the ambiguity to a
   resolved shift/reduce conflict. */
   resolved shift/reduce conflict. */
component_associations :
component_associations :
                NAME ARROW
                NAME ARROW
                        { write_name_assoc ($1); }
                        { write_name_assoc ($1); }
                    exp { $$ = 1; }
                    exp { $$ = 1; }
        |       simple_exp ARROW exp
        |       simple_exp ARROW exp
                        { $$ = 1; }
                        { $$ = 1; }
        |       simple_exp DOTDOT simple_exp ARROW
        |       simple_exp DOTDOT simple_exp ARROW
                        { write_exp_elt_opcode (OP_DISCRETE_RANGE);
                        { write_exp_elt_opcode (OP_DISCRETE_RANGE);
                          write_exp_op_with_string (OP_NAME, empty_stoken);
                          write_exp_op_with_string (OP_NAME, empty_stoken);
                        }
                        }
                    exp { $$ = 1; }
                    exp { $$ = 1; }
        |       NAME '|'
        |       NAME '|'
                        { write_name_assoc ($1); }
                        { write_name_assoc ($1); }
                    component_associations  { $$ = $4 + 1; }
                    component_associations  { $$ = $4 + 1; }
        |       simple_exp '|'
        |       simple_exp '|'
                    component_associations  { $$ = $3 + 1; }
                    component_associations  { $$ = $3 + 1; }
        |       simple_exp DOTDOT simple_exp '|'
        |       simple_exp DOTDOT simple_exp '|'
                        { write_exp_elt_opcode (OP_DISCRETE_RANGE); }
                        { write_exp_elt_opcode (OP_DISCRETE_RANGE); }
                    component_associations  { $$ = $6 + 1; }
                    component_associations  { $$ = $6 + 1; }
        ;
        ;
/* Some extensions borrowed from C, for the benefit of those who find they
/* Some extensions borrowed from C, for the benefit of those who find they
   can't get used to Ada notation in GDB.  */
   can't get used to Ada notation in GDB.  */
primary :       '*' primary             %prec '.'
primary :       '*' primary             %prec '.'
                        { write_exp_elt_opcode (UNOP_IND); }
                        { write_exp_elt_opcode (UNOP_IND); }
        |       '&' primary             %prec '.'
        |       '&' primary             %prec '.'
                        { write_exp_elt_opcode (UNOP_ADDR); }
                        { write_exp_elt_opcode (UNOP_ADDR); }
        |       primary '[' exp ']'
        |       primary '[' exp ']'
                        { write_exp_elt_opcode (BINOP_SUBSCRIPT); }
                        { write_exp_elt_opcode (BINOP_SUBSCRIPT); }
        ;
        ;
%%
%%
/* yylex defined in ada-lex.c: Reads one token, getting characters */
/* yylex defined in ada-lex.c: Reads one token, getting characters */
/* through lexptr.  */
/* through lexptr.  */
/* Remap normal flex interface names (yylex) as well as gratuitiously */
/* Remap normal flex interface names (yylex) as well as gratuitiously */
/* global symbol names, so we can have multiple flex-generated parsers */
/* global symbol names, so we can have multiple flex-generated parsers */
/* in gdb.  */
/* in gdb.  */
/* (See note above on previous definitions for YACC.) */
/* (See note above on previous definitions for YACC.) */
#define yy_create_buffer ada_yy_create_buffer
#define yy_create_buffer ada_yy_create_buffer
#define yy_delete_buffer ada_yy_delete_buffer
#define yy_delete_buffer ada_yy_delete_buffer
#define yy_init_buffer ada_yy_init_buffer
#define yy_init_buffer ada_yy_init_buffer
#define yy_load_buffer_state ada_yy_load_buffer_state
#define yy_load_buffer_state ada_yy_load_buffer_state
#define yy_switch_to_buffer ada_yy_switch_to_buffer
#define yy_switch_to_buffer ada_yy_switch_to_buffer
#define yyrestart ada_yyrestart
#define yyrestart ada_yyrestart
#define yytext ada_yytext
#define yytext ada_yytext
#define yywrap ada_yywrap
#define yywrap ada_yywrap
static struct obstack temp_parse_space;
static struct obstack temp_parse_space;
/* The following kludge was found necessary to prevent conflicts between */
/* The following kludge was found necessary to prevent conflicts between */
/* defs.h and non-standard stdlib.h files.  */
/* defs.h and non-standard stdlib.h files.  */
#define qsort __qsort__dummy
#define qsort __qsort__dummy
#include "ada-lex.c"
#include "ada-lex.c"
int
int
ada_parse (void)
ada_parse (void)
{
{
  lexer_init (yyin);            /* (Re-)initialize lexer.  */
  lexer_init (yyin);            /* (Re-)initialize lexer.  */
  type_qualifier = NULL;
  type_qualifier = NULL;
  obstack_free (&temp_parse_space, NULL);
  obstack_free (&temp_parse_space, NULL);
  obstack_init (&temp_parse_space);
  obstack_init (&temp_parse_space);
  return _ada_parse ();
  return _ada_parse ();
}
}
void
void
yyerror (char *msg)
yyerror (char *msg)
{
{
  error (_("Error in expression, near `%s'."), lexptr);
  error (_("Error in expression, near `%s'."), lexptr);
}
}
/* The operator name corresponding to operator symbol STRING (adds
/* The operator name corresponding to operator symbol STRING (adds
   quotes and maps to lower-case).  Destroys the previous contents of
   quotes and maps to lower-case).  Destroys the previous contents of
   the array pointed to by STRING.ptr.  Error if STRING does not match
   the array pointed to by STRING.ptr.  Error if STRING does not match
   a valid Ada operator.  Assumes that STRING.ptr points to a
   a valid Ada operator.  Assumes that STRING.ptr points to a
   null-terminated string and that, if STRING is a valid operator
   null-terminated string and that, if STRING is a valid operator
   symbol, the array pointed to by STRING.ptr contains at least
   symbol, the array pointed to by STRING.ptr contains at least
   STRING.length+3 characters.  */
   STRING.length+3 characters.  */
static struct stoken
static struct stoken
string_to_operator (struct stoken string)
string_to_operator (struct stoken string)
{
{
  int i;
  int i;
  for (i = 0; ada_opname_table[i].encoded != NULL; i += 1)
  for (i = 0; ada_opname_table[i].encoded != NULL; i += 1)
    {
    {
      if (string.length == strlen (ada_opname_table[i].decoded)-2
      if (string.length == strlen (ada_opname_table[i].decoded)-2
          && strncasecmp (string.ptr, ada_opname_table[i].decoded+1,
          && strncasecmp (string.ptr, ada_opname_table[i].decoded+1,
                          string.length) == 0)
                          string.length) == 0)
        {
        {
          strncpy (string.ptr, ada_opname_table[i].decoded,
          strncpy (string.ptr, ada_opname_table[i].decoded,
                   string.length+2);
                   string.length+2);
          string.length += 2;
          string.length += 2;
          return string;
          return string;
        }
        }
    }
    }
  error (_("Invalid operator symbol `%s'"), string.ptr);
  error (_("Invalid operator symbol `%s'"), string.ptr);
}
}
/* Emit expression to access an instance of SYM, in block BLOCK (if
/* Emit expression to access an instance of SYM, in block BLOCK (if
 * non-NULL), and with :: qualification ORIG_LEFT_CONTEXT.  */
 * non-NULL), and with :: qualification ORIG_LEFT_CONTEXT.  */
static void
static void
write_var_from_sym (struct block *orig_left_context,
write_var_from_sym (struct block *orig_left_context,
                    struct block *block,
                    struct block *block,
                    struct symbol *sym)
                    struct symbol *sym)
{
{
  if (orig_left_context == NULL && symbol_read_needs_frame (sym))
  if (orig_left_context == NULL && symbol_read_needs_frame (sym))
    {
    {
      if (innermost_block == 0
      if (innermost_block == 0
          || contained_in (block, innermost_block))
          || contained_in (block, innermost_block))
        innermost_block = block;
        innermost_block = block;
    }
    }
  write_exp_elt_opcode (OP_VAR_VALUE);
  write_exp_elt_opcode (OP_VAR_VALUE);
  write_exp_elt_block (block);
  write_exp_elt_block (block);
  write_exp_elt_sym (sym);
  write_exp_elt_sym (sym);
  write_exp_elt_opcode (OP_VAR_VALUE);
  write_exp_elt_opcode (OP_VAR_VALUE);
}
}
/* Write integer constant ARG of type TYPE.  */
/* Write integer constant ARG of type TYPE.  */
static void
static void
write_int (LONGEST arg, struct type *type)
write_int (LONGEST arg, struct type *type)
{
{
  write_exp_elt_opcode (OP_LONG);
  write_exp_elt_opcode (OP_LONG);
  write_exp_elt_type (type);
  write_exp_elt_type (type);
  write_exp_elt_longcst (arg);
  write_exp_elt_longcst (arg);
  write_exp_elt_opcode (OP_LONG);
  write_exp_elt_opcode (OP_LONG);
}
}
/* Write an OPCODE, string, OPCODE sequence to the current expression.  */
/* Write an OPCODE, string, OPCODE sequence to the current expression.  */
static void
static void
write_exp_op_with_string (enum exp_opcode opcode, struct stoken token)
write_exp_op_with_string (enum exp_opcode opcode, struct stoken token)
{
{
  write_exp_elt_opcode (opcode);
  write_exp_elt_opcode (opcode);
  write_exp_string (token);
  write_exp_string (token);
  write_exp_elt_opcode (opcode);
  write_exp_elt_opcode (opcode);
}
}
/* Emit expression corresponding to the renamed object named
/* Emit expression corresponding to the renamed object named
 * designated by RENAMED_ENTITY[0 .. RENAMED_ENTITY_LEN-1] in the
 * designated by RENAMED_ENTITY[0 .. RENAMED_ENTITY_LEN-1] in the
 * context of ORIG_LEFT_CONTEXT, to which is applied the operations
 * context of ORIG_LEFT_CONTEXT, to which is applied the operations
 * encoded by RENAMING_EXPR.  MAX_DEPTH is the maximum number of
 * encoded by RENAMING_EXPR.  MAX_DEPTH is the maximum number of
 * cascaded renamings to allow.  If ORIG_LEFT_CONTEXT is null, it
 * cascaded renamings to allow.  If ORIG_LEFT_CONTEXT is null, it
 * defaults to the currently selected block. ORIG_SYMBOL is the
 * defaults to the currently selected block. ORIG_SYMBOL is the
 * symbol that originally encoded the renaming.  It is needed only
 * symbol that originally encoded the renaming.  It is needed only
 * because its prefix also qualifies any index variables used to index
 * because its prefix also qualifies any index variables used to index
 * or slice an array.  It should not be necessary once we go to the
 * or slice an array.  It should not be necessary once we go to the
 * new encoding entirely (FIXME pnh 7/20/2007).  */
 * new encoding entirely (FIXME pnh 7/20/2007).  */
static void
static void
write_object_renaming (struct block *orig_left_context,
write_object_renaming (struct block *orig_left_context,
                       const char *renamed_entity, int renamed_entity_len,
                       const char *renamed_entity, int renamed_entity_len,
                       const char *renaming_expr, int max_depth)
                       const char *renaming_expr, int max_depth)
{
{
  char *name;
  char *name;
  enum { SIMPLE_INDEX, LOWER_BOUND, UPPER_BOUND } slice_state;
  enum { SIMPLE_INDEX, LOWER_BOUND, UPPER_BOUND } slice_state;
  struct symbol *sym;
  struct symbol *sym;
  struct block *block;
  struct block *block;
  if (max_depth <= 0)
  if (max_depth <= 0)
    error (_("Could not find renamed symbol"));
    error (_("Could not find renamed symbol"));
  if (orig_left_context == NULL)
  if (orig_left_context == NULL)
    orig_left_context = get_selected_block (NULL);
    orig_left_context = get_selected_block (NULL);
  name = obsavestring (renamed_entity, renamed_entity_len, &temp_parse_space);
  name = obsavestring (renamed_entity, renamed_entity_len, &temp_parse_space);
  sym = ada_lookup_encoded_symbol (name, orig_left_context, VAR_DOMAIN,
  sym = ada_lookup_encoded_symbol (name, orig_left_context, VAR_DOMAIN,
                                   &block, NULL);
                                   &block, NULL);
  if (sym == NULL)
  if (sym == NULL)
    error (_("Could not find renamed variable: %s"), ada_decode (name));
    error (_("Could not find renamed variable: %s"), ada_decode (name));
  else if (SYMBOL_CLASS (sym) == LOC_TYPEDEF)
  else if (SYMBOL_CLASS (sym) == LOC_TYPEDEF)
    /* We have a renaming of an old-style renaming symbol.  Don't
    /* We have a renaming of an old-style renaming symbol.  Don't
       trust the block information.  */
       trust the block information.  */
    block = orig_left_context;
    block = orig_left_context;
  {
  {
    const char *inner_renamed_entity;
    const char *inner_renamed_entity;
    int inner_renamed_entity_len;
    int inner_renamed_entity_len;
    const char *inner_renaming_expr;
    const char *inner_renaming_expr;
    switch (ada_parse_renaming (sym, &inner_renamed_entity,
    switch (ada_parse_renaming (sym, &inner_renamed_entity,
                                &inner_renamed_entity_len,
                                &inner_renamed_entity_len,
                                &inner_renaming_expr))
                                &inner_renaming_expr))
      {
      {
      case ADA_NOT_RENAMING:
      case ADA_NOT_RENAMING:
        write_var_from_sym (orig_left_context, block, sym);
        write_var_from_sym (orig_left_context, block, sym);
        break;
        break;
      case ADA_OBJECT_RENAMING:
      case ADA_OBJECT_RENAMING:
        write_object_renaming (block,
        write_object_renaming (block,
                               inner_renamed_entity, inner_renamed_entity_len,
                               inner_renamed_entity, inner_renamed_entity_len,
                               inner_renaming_expr, max_depth - 1);
                               inner_renaming_expr, max_depth - 1);
        break;
        break;
      default:
      default:
        goto BadEncoding;
        goto BadEncoding;
      }
      }
  }
  }
  slice_state = SIMPLE_INDEX;
  slice_state = SIMPLE_INDEX;
  while (*renaming_expr == 'X')
  while (*renaming_expr == 'X')
    {
    {
      renaming_expr += 1;
      renaming_expr += 1;
      switch (*renaming_expr) {
      switch (*renaming_expr) {
      case 'A':
      case 'A':
        renaming_expr += 1;
        renaming_expr += 1;
        write_exp_elt_opcode (UNOP_IND);
        write_exp_elt_opcode (UNOP_IND);
        break;
        break;
      case 'L':
      case 'L':
        slice_state = LOWER_BOUND;
        slice_state = LOWER_BOUND;
      case 'S':
      case 'S':
        renaming_expr += 1;
        renaming_expr += 1;
        if (isdigit (*renaming_expr))
        if (isdigit (*renaming_expr))
          {
          {
            char *next;
            char *next;
            long val = strtol (renaming_expr, &next, 10);
            long val = strtol (renaming_expr, &next, 10);
            if (next == renaming_expr)
            if (next == renaming_expr)
              goto BadEncoding;
              goto BadEncoding;
            renaming_expr = next;
            renaming_expr = next;
            write_exp_elt_opcode (OP_LONG);
            write_exp_elt_opcode (OP_LONG);
            write_exp_elt_type (type_int ());
            write_exp_elt_type (type_int ());
            write_exp_elt_longcst ((LONGEST) val);
            write_exp_elt_longcst ((LONGEST) val);
            write_exp_elt_opcode (OP_LONG);
            write_exp_elt_opcode (OP_LONG);
          }
          }
        else
        else
          {
          {
            const char *end;
            const char *end;
            char *index_name;
            char *index_name;
            struct symbol *index_sym;
            struct symbol *index_sym;
            end = strchr (renaming_expr, 'X');
            end = strchr (renaming_expr, 'X');
            if (end == NULL)
            if (end == NULL)
              end = renaming_expr + strlen (renaming_expr);
              end = renaming_expr + strlen (renaming_expr);
            index_name =
            index_name =
              obsavestring (renaming_expr, end - renaming_expr,
              obsavestring (renaming_expr, end - renaming_expr,
                            &temp_parse_space);
                            &temp_parse_space);
            renaming_expr = end;
            renaming_expr = end;
            index_sym = ada_lookup_encoded_symbol (index_name, NULL,
            index_sym = ada_lookup_encoded_symbol (index_name, NULL,
                                                   VAR_DOMAIN, &block,
                                                   VAR_DOMAIN, &block,
                                                   NULL);
                                                   NULL);
            if (index_sym == NULL)
            if (index_sym == NULL)
              error (_("Could not find %s"), index_name);
              error (_("Could not find %s"), index_name);
            else if (SYMBOL_CLASS (index_sym) == LOC_TYPEDEF)
            else if (SYMBOL_CLASS (index_sym) == LOC_TYPEDEF)
              /* Index is an old-style renaming symbol.  */
              /* Index is an old-style renaming symbol.  */
              block = orig_left_context;
              block = orig_left_context;
            write_var_from_sym (NULL, block, index_sym);
            write_var_from_sym (NULL, block, index_sym);
          }
          }
        if (slice_state == SIMPLE_INDEX)
        if (slice_state == SIMPLE_INDEX)
          {
          {
            write_exp_elt_opcode (OP_FUNCALL);
            write_exp_elt_opcode (OP_FUNCALL);
            write_exp_elt_longcst ((LONGEST) 1);
            write_exp_elt_longcst ((LONGEST) 1);
            write_exp_elt_opcode (OP_FUNCALL);
            write_exp_elt_opcode (OP_FUNCALL);
          }
          }
        else if (slice_state == LOWER_BOUND)
        else if (slice_state == LOWER_BOUND)
          slice_state = UPPER_BOUND;
          slice_state = UPPER_BOUND;
        else if (slice_state == UPPER_BOUND)
        else if (slice_state == UPPER_BOUND)
          {
          {
            write_exp_elt_opcode (TERNOP_SLICE);
            write_exp_elt_opcode (TERNOP_SLICE);
            slice_state = SIMPLE_INDEX;
            slice_state = SIMPLE_INDEX;
          }
          }
        break;
        break;
      case 'R':
      case 'R':
        {
        {
          struct stoken field_name;
          struct stoken field_name;
          const char *end;
          const char *end;
          renaming_expr += 1;
          renaming_expr += 1;
          if (slice_state != SIMPLE_INDEX)
          if (slice_state != SIMPLE_INDEX)
            goto BadEncoding;
            goto BadEncoding;
          end = strchr (renaming_expr, 'X');
          end = strchr (renaming_expr, 'X');
          if (end == NULL)
          if (end == NULL)
            end = renaming_expr + strlen (renaming_expr);
            end = renaming_expr + strlen (renaming_expr);
          field_name.length = end - renaming_expr;
          field_name.length = end - renaming_expr;
          field_name.ptr = xmalloc (end - renaming_expr + 1);
          field_name.ptr = xmalloc (end - renaming_expr + 1);
          strncpy (field_name.ptr, renaming_expr, end - renaming_expr);
          strncpy (field_name.ptr, renaming_expr, end - renaming_expr);
          field_name.ptr[end - renaming_expr] = '\000';
          field_name.ptr[end - renaming_expr] = '\000';
          renaming_expr = end;
          renaming_expr = end;
          write_exp_op_with_string (STRUCTOP_STRUCT, field_name);
          write_exp_op_with_string (STRUCTOP_STRUCT, field_name);
          break;
          break;
        }
        }
      default:
      default:
        goto BadEncoding;
        goto BadEncoding;
      }
      }
    }
    }
  if (slice_state == SIMPLE_INDEX)
  if (slice_state == SIMPLE_INDEX)
    return;
    return;
 BadEncoding:
 BadEncoding:
  error (_("Internal error in encoding of renaming declaration"));
  error (_("Internal error in encoding of renaming declaration"));
}
}
static struct block*
static struct block*
block_lookup (struct block *context, char *raw_name)
block_lookup (struct block *context, char *raw_name)
{
{
  char *name;
  char *name;
  struct ada_symbol_info *syms;
  struct ada_symbol_info *syms;
  int nsyms;
  int nsyms;
  struct symtab *symtab;
  struct symtab *symtab;
  if (raw_name[0] == '\'')
  if (raw_name[0] == '\'')
    {
    {
      raw_name += 1;
      raw_name += 1;
      name = raw_name;
      name = raw_name;
    }
    }
  else
  else
    name = ada_encode (raw_name);
    name = ada_encode (raw_name);
  nsyms = ada_lookup_symbol_list (name, context, VAR_DOMAIN, &syms);
  nsyms = ada_lookup_symbol_list (name, context, VAR_DOMAIN, &syms);
  if (context == NULL &&
  if (context == NULL &&
      (nsyms == 0 || SYMBOL_CLASS (syms[0].sym) != LOC_BLOCK))
      (nsyms == 0 || SYMBOL_CLASS (syms[0].sym) != LOC_BLOCK))
    symtab = lookup_symtab (name);
    symtab = lookup_symtab (name);
  else
  else
    symtab = NULL;
    symtab = NULL;
  if (symtab != NULL)
  if (symtab != NULL)
    return BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab), STATIC_BLOCK);
    return BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab), STATIC_BLOCK);
  else if (nsyms == 0 || SYMBOL_CLASS (syms[0].sym) != LOC_BLOCK)
  else if (nsyms == 0 || SYMBOL_CLASS (syms[0].sym) != LOC_BLOCK)
    {
    {
      if (context == NULL)
      if (context == NULL)
        error (_("No file or function \"%s\"."), raw_name);
        error (_("No file or function \"%s\"."), raw_name);
      else
      else
        error (_("No function \"%s\" in specified context."), raw_name);
        error (_("No function \"%s\" in specified context."), raw_name);
    }
    }
  else
  else
    {
    {
      if (nsyms > 1)
      if (nsyms > 1)
        warning (_("Function name \"%s\" ambiguous here"), raw_name);
        warning (_("Function name \"%s\" ambiguous here"), raw_name);
      return SYMBOL_BLOCK_VALUE (syms[0].sym);
      return SYMBOL_BLOCK_VALUE (syms[0].sym);
    }
    }
}
}
static struct symbol*
static struct symbol*
select_possible_type_sym (struct ada_symbol_info *syms, int nsyms)
select_possible_type_sym (struct ada_symbol_info *syms, int nsyms)
{
{
  int i;
  int i;
  int preferred_index;
  int preferred_index;
  struct type *preferred_type;
  struct type *preferred_type;
  preferred_index = -1; preferred_type = NULL;
  preferred_index = -1; preferred_type = NULL;
  for (i = 0; i < nsyms; i += 1)
  for (i = 0; i < nsyms; i += 1)
    switch (SYMBOL_CLASS (syms[i].sym))
    switch (SYMBOL_CLASS (syms[i].sym))
      {
      {
      case LOC_TYPEDEF:
      case LOC_TYPEDEF:
        if (ada_prefer_type (SYMBOL_TYPE (syms[i].sym), preferred_type))
        if (ada_prefer_type (SYMBOL_TYPE (syms[i].sym), preferred_type))
          {
          {
            preferred_index = i;
            preferred_index = i;
            preferred_type = SYMBOL_TYPE (syms[i].sym);
            preferred_type = SYMBOL_TYPE (syms[i].sym);
          }
          }
        break;
        break;
      case LOC_REGISTER:
      case LOC_REGISTER:
      case LOC_ARG:
      case LOC_ARG:
      case LOC_REF_ARG:
      case LOC_REF_ARG:
      case LOC_REGPARM:
      case LOC_REGPARM:
      case LOC_REGPARM_ADDR:
      case LOC_REGPARM_ADDR:
      case LOC_LOCAL:
      case LOC_LOCAL:
      case LOC_LOCAL_ARG:
      case LOC_LOCAL_ARG:
      case LOC_BASEREG:
      case LOC_BASEREG:
      case LOC_BASEREG_ARG:
      case LOC_BASEREG_ARG:
      case LOC_COMPUTED:
      case LOC_COMPUTED:
      case LOC_COMPUTED_ARG:
      case LOC_COMPUTED_ARG:
        return NULL;
        return NULL;
      default:
      default:
        break;
        break;
      }
      }
  if (preferred_type == NULL)
  if (preferred_type == NULL)
    return NULL;
    return NULL;
  return syms[preferred_index].sym;
  return syms[preferred_index].sym;
}
}
static struct type*
static struct type*
find_primitive_type (char *name)
find_primitive_type (char *name)
{
{
  struct type *type;
  struct type *type;
  type = language_lookup_primitive_type_by_name (current_language,
  type = language_lookup_primitive_type_by_name (current_language,
                                                 current_gdbarch,
                                                 current_gdbarch,
                                                 name);
                                                 name);
  if (type == NULL && strcmp ("system__address", name) == 0)
  if (type == NULL && strcmp ("system__address", name) == 0)
    type = type_system_address ();
    type = type_system_address ();
  if (type != NULL)
  if (type != NULL)
    {
    {
      /* Check to see if we have a regular definition of this
      /* Check to see if we have a regular definition of this
         type that just didn't happen to have been read yet.  */
         type that just didn't happen to have been read yet.  */
      int ntypes;
      int ntypes;
      struct symbol *sym;
      struct symbol *sym;
      char *expanded_name =
      char *expanded_name =
        (char *) alloca (strlen (name) + sizeof ("standard__"));
        (char *) alloca (strlen (name) + sizeof ("standard__"));
      strcpy (expanded_name, "standard__");
      strcpy (expanded_name, "standard__");
      strcat (expanded_name, name);
      strcat (expanded_name, name);
      sym = ada_lookup_symbol (expanded_name, NULL, VAR_DOMAIN, NULL, NULL);
      sym = ada_lookup_symbol (expanded_name, NULL, VAR_DOMAIN, NULL, NULL);
      if (sym != NULL && SYMBOL_CLASS (sym) == LOC_TYPEDEF)
      if (sym != NULL && SYMBOL_CLASS (sym) == LOC_TYPEDEF)
        type = SYMBOL_TYPE (sym);
        type = SYMBOL_TYPE (sym);
    }
    }
  return type;
  return type;
}
}
static int
static int
chop_selector (char *name, int end)
chop_selector (char *name, int end)
{
{
  int i;
  int i;
  for (i = end - 1; i > 0; i -= 1)
  for (i = end - 1; i > 0; i -= 1)
    if (name[i] == '.' || (name[i] == '_' && name[i+1] == '_'))
    if (name[i] == '.' || (name[i] == '_' && name[i+1] == '_'))
      return i;
      return i;
  return -1;
  return -1;
}
}
/* If NAME is a string beginning with a separator (either '__', or
/* If NAME is a string beginning with a separator (either '__', or
   '.'), chop this separator and return the result; else, return
   '.'), chop this separator and return the result; else, return
   NAME.  */
   NAME.  */
static char *
static char *
chop_separator (char *name)
chop_separator (char *name)
{
{
  if (*name == '.')
  if (*name == '.')
   return name + 1;
   return name + 1;
  if (name[0] == '_' && name[1] == '_')
  if (name[0] == '_' && name[1] == '_')
    return name + 2;
    return name + 2;
  return name;
  return name;
}
}
/* Given that SELS is a string of the form ()*, where
/* Given that SELS is a string of the form ()*, where
    is '__' or '.', write the indicated sequence of
    is '__' or '.', write the indicated sequence of
   STRUCTOP_STRUCT expression operators. */
   STRUCTOP_STRUCT expression operators. */
static void
static void
write_selectors (char *sels)
write_selectors (char *sels)
{
{
  while (*sels != '\0')
  while (*sels != '\0')
    {
    {
      struct stoken field_name;
      struct stoken field_name;
      char *p = chop_separator (sels);
      char *p = chop_separator (sels);
      sels = p;
      sels = p;
      while (*sels != '\0' && *sels != '.'
      while (*sels != '\0' && *sels != '.'
             && (sels[0] != '_' || sels[1] != '_'))
             && (sels[0] != '_' || sels[1] != '_'))
        sels += 1;
        sels += 1;
      field_name.length = sels - p;
      field_name.length = sels - p;
      field_name.ptr = p;
      field_name.ptr = p;
      write_exp_op_with_string (STRUCTOP_STRUCT, field_name);
      write_exp_op_with_string (STRUCTOP_STRUCT, field_name);
    }
    }
}
}
/* Write a variable access (OP_VAR_VALUE) to ambiguous encoded name
/* Write a variable access (OP_VAR_VALUE) to ambiguous encoded name
   NAME[0..LEN-1], in block context BLOCK, to be resolved later.  Writes
   NAME[0..LEN-1], in block context BLOCK, to be resolved later.  Writes
   a temporary symbol that is valid until the next call to ada_parse.
   a temporary symbol that is valid until the next call to ada_parse.
   */
   */
static void
static void
write_ambiguous_var (struct block *block, char *name, int len)
write_ambiguous_var (struct block *block, char *name, int len)
{
{
  struct symbol *sym =
  struct symbol *sym =
    obstack_alloc (&temp_parse_space, sizeof (struct symbol));
    obstack_alloc (&temp_parse_space, sizeof (struct symbol));
  memset (sym, 0, sizeof (struct symbol));
  memset (sym, 0, sizeof (struct symbol));
  SYMBOL_DOMAIN (sym) = UNDEF_DOMAIN;
  SYMBOL_DOMAIN (sym) = UNDEF_DOMAIN;
  SYMBOL_LINKAGE_NAME (sym) = obsavestring (name, len, &temp_parse_space);
  SYMBOL_LINKAGE_NAME (sym) = obsavestring (name, len, &temp_parse_space);
  SYMBOL_LANGUAGE (sym) = language_ada;
  SYMBOL_LANGUAGE (sym) = language_ada;
  write_exp_elt_opcode (OP_VAR_VALUE);
  write_exp_elt_opcode (OP_VAR_VALUE);
  write_exp_elt_block (block);
  write_exp_elt_block (block);
  write_exp_elt_sym (sym);
  write_exp_elt_sym (sym);
  write_exp_elt_opcode (OP_VAR_VALUE);
  write_exp_elt_opcode (OP_VAR_VALUE);
}
}
/* A convenient wrapper around ada_get_field_index that takes
/* A convenient wrapper around ada_get_field_index that takes
   a non NUL-terminated FIELD_NAME0 and a FIELD_NAME_LEN instead
   a non NUL-terminated FIELD_NAME0 and a FIELD_NAME_LEN instead
   of a NUL-terminated field name.  */
   of a NUL-terminated field name.  */
static int
static int
ada_nget_field_index (const struct type *type, const char *field_name0,
ada_nget_field_index (const struct type *type, const char *field_name0,
                      int field_name_len, int maybe_missing)
                      int field_name_len, int maybe_missing)
{
{
  char *field_name = alloca ((field_name_len + 1) * sizeof (char));
  char *field_name = alloca ((field_name_len + 1) * sizeof (char));
  strncpy (field_name, field_name0, field_name_len);
  strncpy (field_name, field_name0, field_name_len);
  field_name[field_name_len] = '\0';
  field_name[field_name_len] = '\0';
  return ada_get_field_index (type, field_name, maybe_missing);
  return ada_get_field_index (type, field_name, maybe_missing);
}
}
/* If encoded_field_name is the name of a field inside symbol SYM,
/* If encoded_field_name is the name of a field inside symbol SYM,
   then return the type of that field.  Otherwise, return NULL.
   then return the type of that field.  Otherwise, return NULL.
   This function is actually recursive, so if ENCODED_FIELD_NAME
   This function is actually recursive, so if ENCODED_FIELD_NAME
   doesn't match one of the fields of our symbol, then try to see
   doesn't match one of the fields of our symbol, then try to see
   if ENCODED_FIELD_NAME could not be a succession of field names
   if ENCODED_FIELD_NAME could not be a succession of field names
   (in other words, the user entered an expression of the form
   (in other words, the user entered an expression of the form
   TYPE_NAME.FIELD1.FIELD2.FIELD3), in which case we evaluate
   TYPE_NAME.FIELD1.FIELD2.FIELD3), in which case we evaluate
   each field name sequentially to obtain the desired field type.
   each field name sequentially to obtain the desired field type.
   In case of failure, we return NULL.  */
   In case of failure, we return NULL.  */
static struct type *
static struct type *
get_symbol_field_type (struct symbol *sym, char *encoded_field_name)
get_symbol_field_type (struct symbol *sym, char *encoded_field_name)
{
{
  char *field_name = encoded_field_name;
  char *field_name = encoded_field_name;
  char *subfield_name;
  char *subfield_name;
  struct type *type = SYMBOL_TYPE (sym);
  struct type *type = SYMBOL_TYPE (sym);
  int fieldno;
  int fieldno;
  if (type == NULL || field_name == NULL)
  if (type == NULL || field_name == NULL)
    return NULL;
    return NULL;
  while (field_name[0] != '\0')
  while (field_name[0] != '\0')
    {
    {
      field_name = chop_separator (field_name);
      field_name = chop_separator (field_name);
      fieldno = ada_get_field_index (type, field_name, 1);
      fieldno = ada_get_field_index (type, field_name, 1);
      if (fieldno >= 0)
      if (fieldno >= 0)
        return TYPE_FIELD_TYPE (type, fieldno);
        return TYPE_FIELD_TYPE (type, fieldno);
      subfield_name = field_name;
      subfield_name = field_name;
      while (*subfield_name != '\0' && *subfield_name != '.'
      while (*subfield_name != '\0' && *subfield_name != '.'
             && (subfield_name[0] != '_' || subfield_name[1] != '_'))
             && (subfield_name[0] != '_' || subfield_name[1] != '_'))
        subfield_name += 1;
        subfield_name += 1;
      if (subfield_name[0] == '\0')
      if (subfield_name[0] == '\0')
        return NULL;
        return NULL;
      fieldno = ada_nget_field_index (type, field_name,
      fieldno = ada_nget_field_index (type, field_name,
                                      subfield_name - field_name, 1);
                                      subfield_name - field_name, 1);
      if (fieldno < 0)
      if (fieldno < 0)
        return NULL;
        return NULL;
      type = TYPE_FIELD_TYPE (type, fieldno);
      type = TYPE_FIELD_TYPE (type, fieldno);
      field_name = subfield_name;
      field_name = subfield_name;
    }
    }
  return NULL;
  return NULL;
}
}
/* Look up NAME0 (an unencoded identifier or dotted name) in BLOCK (or
/* Look up NAME0 (an unencoded identifier or dotted name) in BLOCK (or
   expression_block_context if NULL).  If it denotes a type, return
   expression_block_context if NULL).  If it denotes a type, return
   that type.  Otherwise, write expression code to evaluate it as an
   that type.  Otherwise, write expression code to evaluate it as an
   object and return NULL. In this second case, NAME0 will, in general,
   object and return NULL. In this second case, NAME0 will, in general,
   have the form (.)*, where  is an object
   have the form (.)*, where  is an object
   or renaming encoded in the debugging data.  Calls error if no
   or renaming encoded in the debugging data.  Calls error if no
   prefix  matches a name in the debugging data (i.e., matches
   prefix  matches a name in the debugging data (i.e., matches
   either a complete name or, as a wild-card match, the final
   either a complete name or, as a wild-card match, the final
   identifier).  */
   identifier).  */
static struct type*
static struct type*
write_var_or_type (struct block *block, struct stoken name0)
write_var_or_type (struct block *block, struct stoken name0)
{
{
  int depth;
  int depth;
  char *encoded_name;
  char *encoded_name;
  int name_len;
  int name_len;
  if (block == NULL)
  if (block == NULL)
    block = expression_context_block;
    block = expression_context_block;
  encoded_name = ada_encode (name0.ptr);
  encoded_name = ada_encode (name0.ptr);
  name_len = strlen (encoded_name);
  name_len = strlen (encoded_name);
  encoded_name = obsavestring (encoded_name, name_len, &temp_parse_space);
  encoded_name = obsavestring (encoded_name, name_len, &temp_parse_space);
  for (depth = 0; depth < MAX_RENAMING_CHAIN_LENGTH; depth += 1)
  for (depth = 0; depth < MAX_RENAMING_CHAIN_LENGTH; depth += 1)
    {
    {
      int tail_index;
      int tail_index;
      tail_index = name_len;
      tail_index = name_len;
      while (tail_index > 0)
      while (tail_index > 0)
        {
        {
          int nsyms;
          int nsyms;
          struct ada_symbol_info *syms;
          struct ada_symbol_info *syms;
          struct symbol *type_sym;
          struct symbol *type_sym;
          struct symbol *renaming_sym;
          struct symbol *renaming_sym;
          const char* renaming;
          const char* renaming;
          int renaming_len;
          int renaming_len;
          const char* renaming_expr;
          const char* renaming_expr;
          int terminator = encoded_name[tail_index];
          int terminator = encoded_name[tail_index];
          encoded_name[tail_index] = '\0';
          encoded_name[tail_index] = '\0';
          nsyms = ada_lookup_symbol_list (encoded_name, block,
          nsyms = ada_lookup_symbol_list (encoded_name, block,
                                          VAR_DOMAIN, &syms);
                                          VAR_DOMAIN, &syms);
          encoded_name[tail_index] = terminator;
          encoded_name[tail_index] = terminator;
          /* A single symbol may rename a package or object. */
          /* A single symbol may rename a package or object. */
          /* This should go away when we move entirely to new version.
          /* This should go away when we move entirely to new version.
             FIXME pnh 7/20/2007. */
             FIXME pnh 7/20/2007. */
          if (nsyms == 1)
          if (nsyms == 1)
            {
            {
              struct symbol *renaming =
              struct symbol *renaming =
                ada_find_renaming_symbol (SYMBOL_LINKAGE_NAME (syms[0].sym),
                ada_find_renaming_symbol (SYMBOL_LINKAGE_NAME (syms[0].sym),
                                          syms[0].block);
                                          syms[0].block);
              if (renaming != NULL)
              if (renaming != NULL)
                syms[0].sym = renaming;
                syms[0].sym = renaming;
            }
            }
          type_sym = select_possible_type_sym (syms, nsyms);
          type_sym = select_possible_type_sym (syms, nsyms);
          if (type_sym != NULL)
          if (type_sym != NULL)
            renaming_sym = type_sym;
            renaming_sym = type_sym;
          else if (nsyms == 1)
          else if (nsyms == 1)
            renaming_sym = syms[0].sym;
            renaming_sym = syms[0].sym;
          else
          else
            renaming_sym = NULL;
            renaming_sym = NULL;
          switch (ada_parse_renaming (renaming_sym, &renaming,
          switch (ada_parse_renaming (renaming_sym, &renaming,
                                      &renaming_len, &renaming_expr))
                                      &renaming_len, &renaming_expr))
            {
            {
            case ADA_NOT_RENAMING:
            case ADA_NOT_RENAMING:
              break;
              break;
            case ADA_PACKAGE_RENAMING:
            case ADA_PACKAGE_RENAMING:
            case ADA_EXCEPTION_RENAMING:
            case ADA_EXCEPTION_RENAMING:
            case ADA_SUBPROGRAM_RENAMING:
            case ADA_SUBPROGRAM_RENAMING:
              {
              {
                char *new_name
                char *new_name
                  = obstack_alloc (&temp_parse_space,
                  = obstack_alloc (&temp_parse_space,
                                   renaming_len + name_len - tail_index + 1);
                                   renaming_len + name_len - tail_index + 1);
                strncpy (new_name, renaming, renaming_len);
                strncpy (new_name, renaming, renaming_len);
                strcpy (new_name + renaming_len, encoded_name + tail_index);
                strcpy (new_name + renaming_len, encoded_name + tail_index);
                encoded_name = new_name;
                encoded_name = new_name;
                name_len = renaming_len + name_len - tail_index;
                name_len = renaming_len + name_len - tail_index;
                goto TryAfterRenaming;
                goto TryAfterRenaming;
              }
              }
            case ADA_OBJECT_RENAMING:
            case ADA_OBJECT_RENAMING:
              write_object_renaming (block, renaming, renaming_len,
              write_object_renaming (block, renaming, renaming_len,
                                     renaming_expr, MAX_RENAMING_CHAIN_LENGTH);
                                     renaming_expr, MAX_RENAMING_CHAIN_LENGTH);
              write_selectors (encoded_name + tail_index);
              write_selectors (encoded_name + tail_index);
              return NULL;
              return NULL;
            default:
            default:
              internal_error (__FILE__, __LINE__,
              internal_error (__FILE__, __LINE__,
                              _("impossible value from ada_parse_renaming"));
                              _("impossible value from ada_parse_renaming"));
            }
            }
          if (type_sym != NULL)
          if (type_sym != NULL)
            {
            {
              struct type *field_type;
              struct type *field_type;
              if (tail_index == name_len)
              if (tail_index == name_len)
                return SYMBOL_TYPE (type_sym);
                return SYMBOL_TYPE (type_sym);
              /* We have some extraneous characters after the type name.
              /* We have some extraneous characters after the type name.
                 If this is an expression "TYPE_NAME.FIELD0.[...].FIELDN",
                 If this is an expression "TYPE_NAME.FIELD0.[...].FIELDN",
                 then try to get the type of FIELDN.  */
                 then try to get the type of FIELDN.  */
              field_type
              field_type
                = get_symbol_field_type (type_sym, encoded_name + tail_index);
                = get_symbol_field_type (type_sym, encoded_name + tail_index);
              if (field_type != NULL)
              if (field_type != NULL)
                return field_type;
                return field_type;
              else
              else
                error (_("Invalid attempt to select from type: \"%s\"."),
                error (_("Invalid attempt to select from type: \"%s\"."),
                       name0.ptr);
                       name0.ptr);
            }
            }
          else if (tail_index == name_len && nsyms == 0)
          else if (tail_index == name_len && nsyms == 0)
            {
            {
              struct type *type = find_primitive_type (encoded_name);
              struct type *type = find_primitive_type (encoded_name);
              if (type != NULL)
              if (type != NULL)
                return type;
                return type;
            }
            }
          if (nsyms == 1)
          if (nsyms == 1)
            {
            {
              write_var_from_sym (block, syms[0].block, syms[0].sym);
              write_var_from_sym (block, syms[0].block, syms[0].sym);
              write_selectors (encoded_name + tail_index);
              write_selectors (encoded_name + tail_index);
              return NULL;
              return NULL;
            }
            }
          else if (nsyms == 0)
          else if (nsyms == 0)
            {
            {
              int i;
              int i;
              struct minimal_symbol *msym
              struct minimal_symbol *msym
                = ada_lookup_simple_minsym (encoded_name);
                = ada_lookup_simple_minsym (encoded_name);
              if (msym != NULL)
              if (msym != NULL)
                {
                {
                  write_exp_msymbol (msym, lookup_function_type (type_int ()),
                  write_exp_msymbol (msym, lookup_function_type (type_int ()),
                                     type_int ());
                                     type_int ());
                  /* Maybe cause error here rather than later? FIXME? */
                  /* Maybe cause error here rather than later? FIXME? */
                  write_selectors (encoded_name + tail_index);
                  write_selectors (encoded_name + tail_index);
                  return NULL;
                  return NULL;
                }
                }
              if (tail_index == name_len
              if (tail_index == name_len
                  && strncmp (encoded_name, "standard__",
                  && strncmp (encoded_name, "standard__",
                              sizeof ("standard__") - 1) == 0)
                              sizeof ("standard__") - 1) == 0)
                error (_("No definition of \"%s\" found."), name0.ptr);
                error (_("No definition of \"%s\" found."), name0.ptr);
              tail_index = chop_selector (encoded_name, tail_index);
              tail_index = chop_selector (encoded_name, tail_index);
            }
            }
          else
          else
            {
            {
              write_ambiguous_var (block, encoded_name, tail_index);
              write_ambiguous_var (block, encoded_name, tail_index);
              write_selectors (encoded_name + tail_index);
              write_selectors (encoded_name + tail_index);
              return NULL;
              return NULL;
            }
            }
        }
        }
      if (!have_full_symbols () && !have_partial_symbols () && block == NULL)
      if (!have_full_symbols () && !have_partial_symbols () && block == NULL)
        error (_("No symbol table is loaded.  Use the \"file\" command."));
        error (_("No symbol table is loaded.  Use the \"file\" command."));
      if (block == expression_context_block)
      if (block == expression_context_block)
        error (_("No definition of \"%s\" in current context."), name0.ptr);
        error (_("No definition of \"%s\" in current context."), name0.ptr);
      else
      else
        error (_("No definition of \"%s\" in specified context."), name0.ptr);
        error (_("No definition of \"%s\" in specified context."), name0.ptr);
    TryAfterRenaming: ;
    TryAfterRenaming: ;
    }
    }
  error (_("Could not find renamed symbol \"%s\""), name0.ptr);
  error (_("Could not find renamed symbol \"%s\""), name0.ptr);
}
}
/* Write a left side of a component association (e.g., NAME in NAME =>
/* Write a left side of a component association (e.g., NAME in NAME =>
   exp).  If NAME has the form of a selected component, write it as an
   exp).  If NAME has the form of a selected component, write it as an
   ordinary expression.  If it is a simple variable that unambiguously
   ordinary expression.  If it is a simple variable that unambiguously
   corresponds to exactly one symbol that does not denote a type or an
   corresponds to exactly one symbol that does not denote a type or an
   object renaming, also write it normally as an OP_VAR_VALUE.
   object renaming, also write it normally as an OP_VAR_VALUE.
   Otherwise, write it as an OP_NAME.
   Otherwise, write it as an OP_NAME.
   Unfortunately, we don't know at this point whether NAME is supposed
   Unfortunately, we don't know at this point whether NAME is supposed
   to denote a record component name or the value of an array index.
   to denote a record component name or the value of an array index.
   Therefore, it is not appropriate to disambiguate an ambiguous name
   Therefore, it is not appropriate to disambiguate an ambiguous name
   as we normally would, nor to replace a renaming with its referent.
   as we normally would, nor to replace a renaming with its referent.
   As a result, in the (one hopes) rare case that one writes an
   As a result, in the (one hopes) rare case that one writes an
   aggregate such as (R => 42) where R renames an object or is an
   aggregate such as (R => 42) where R renames an object or is an
   ambiguous name, one must write instead ((R) => 42). */
   ambiguous name, one must write instead ((R) => 42). */
static void
static void
write_name_assoc (struct stoken name)
write_name_assoc (struct stoken name)
{
{
  if (strchr (name.ptr, '.') == NULL)
  if (strchr (name.ptr, '.') == NULL)
    {
    {
      struct ada_symbol_info *syms;
      struct ada_symbol_info *syms;
      int nsyms = ada_lookup_symbol_list (name.ptr, expression_context_block,
      int nsyms = ada_lookup_symbol_list (name.ptr, expression_context_block,
                                          VAR_DOMAIN, &syms);
                                          VAR_DOMAIN, &syms);
      if (nsyms != 1 || SYMBOL_CLASS (syms[0].sym) == LOC_TYPEDEF)
      if (nsyms != 1 || SYMBOL_CLASS (syms[0].sym) == LOC_TYPEDEF)
        write_exp_op_with_string (OP_NAME, name);
        write_exp_op_with_string (OP_NAME, name);
      else
      else
        write_var_from_sym (NULL, syms[0].block, syms[0].sym);
        write_var_from_sym (NULL, syms[0].block, syms[0].sym);
    }
    }
  else
  else
    if (write_var_or_type (NULL, name) != NULL)
    if (write_var_or_type (NULL, name) != NULL)
      error (_("Invalid use of type."));
      error (_("Invalid use of type."));
}
}
/* Convert the character literal whose ASCII value would be VAL to the
/* Convert the character literal whose ASCII value would be VAL to the
   appropriate value of type TYPE, if there is a translation.
   appropriate value of type TYPE, if there is a translation.
   Otherwise return VAL.  Hence, in an enumeration type ('A', 'B'),
   Otherwise return VAL.  Hence, in an enumeration type ('A', 'B'),
   the literal 'A' (VAL == 65), returns 0.  */
   the literal 'A' (VAL == 65), returns 0.  */
static LONGEST
static LONGEST
convert_char_literal (struct type *type, LONGEST val)
convert_char_literal (struct type *type, LONGEST val)
{
{
  char name[7];
  char name[7];
  int f;
  int f;
  if (type == NULL || TYPE_CODE (type) != TYPE_CODE_ENUM)
  if (type == NULL || TYPE_CODE (type) != TYPE_CODE_ENUM)
    return val;
    return val;
  sprintf (name, "QU%02x", (int) val);
  sprintf (name, "QU%02x", (int) val);
  for (f = 0; f < TYPE_NFIELDS (type); f += 1)
  for (f = 0; f < TYPE_NFIELDS (type); f += 1)
    {
    {
      if (strcmp (name, TYPE_FIELD_NAME (type, f)) == 0)
      if (strcmp (name, TYPE_FIELD_NAME (type, f)) == 0)
        return TYPE_FIELD_BITPOS (type, f);
        return TYPE_FIELD_BITPOS (type, f);
    }
    }
  return val;
  return val;
}
}
static struct type *
static struct type *
type_int (void)
type_int (void)
{
{
  return builtin_type (current_gdbarch)->builtin_int;
  return builtin_type (current_gdbarch)->builtin_int;
}
}
static struct type *
static struct type *
type_long (void)
type_long (void)
{
{
  return builtin_type (current_gdbarch)->builtin_long;
  return builtin_type (current_gdbarch)->builtin_long;
}
}
static struct type *
static struct type *
type_long_long (void)
type_long_long (void)
{
{
  return builtin_type (current_gdbarch)->builtin_long_long;
  return builtin_type (current_gdbarch)->builtin_long_long;
}
}
static struct type *
static struct type *
type_float (void)
type_float (void)
{
{
  return builtin_type (current_gdbarch)->builtin_float;
  return builtin_type (current_gdbarch)->builtin_float;
}
}
static struct type *
static struct type *
type_double (void)
type_double (void)
{
{
  return builtin_type (current_gdbarch)->builtin_double;
  return builtin_type (current_gdbarch)->builtin_double;
}
}
static struct type *
static struct type *
type_long_double (void)
type_long_double (void)
{
{
  return builtin_type (current_gdbarch)->builtin_long_double;
  return builtin_type (current_gdbarch)->builtin_long_double;
}
}
static struct type *
static struct type *
type_char (void)
type_char (void)
{
{
  return language_string_char_type (current_language, current_gdbarch);
  return language_string_char_type (current_language, current_gdbarch);
}
}
static struct type *
static struct type *
type_system_address (void)
type_system_address (void)
{
{
  struct type *type
  struct type *type
    = language_lookup_primitive_type_by_name (current_language,
    = language_lookup_primitive_type_by_name (current_language,
                                              current_gdbarch,
                                              current_gdbarch,
                                              "system__address");
                                              "system__address");
  return  type != NULL ? type : lookup_pointer_type (builtin_type_void);
  return  type != NULL ? type : lookup_pointer_type (builtin_type_void);
}
}
void
void
_initialize_ada_exp (void)
_initialize_ada_exp (void)
{
{
  obstack_init (&temp_parse_space);
  obstack_init (&temp_parse_space);
}
}
/* FIXME: hilfingr/2004-10-05: Hack to remove warning.  The function
/* FIXME: hilfingr/2004-10-05: Hack to remove warning.  The function
   string_to_operator is supposed to be used for cases where one
   string_to_operator is supposed to be used for cases where one
   calls an operator function with prefix notation, as in
   calls an operator function with prefix notation, as in
   "+" (a, b), but at some point, this code seems to have gone
   "+" (a, b), but at some point, this code seems to have gone
   missing. */
   missing. */
struct stoken (*dummy_string_to_ada_operator) (struct stoken)
struct stoken (*dummy_string_to_ada_operator) (struct stoken)
     = string_to_operator;
     = string_to_operator;
 
 

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