update copyright year range in GDB files
[deliverable/binutils-gdb.git] / gdb / m2-exp.y
index 037a07419b493be00122b52512f90ee4e1ec0e1e..acf2e1b83dc0b7f73730ccfe328242e1bfc90a51 100644 (file)
@@ -1,23 +1,22 @@
 /* YACC grammar for Modula-2 expressions, for GDB.
-   Copyright (C) 1986, 1989, 1990, 1991 Free Software Foundation, Inc.
+   Copyright (C) 1986-2017 Free Software Foundation, Inc.
    Generated from expread.y (now c-exp.y) and contributed by the Department
    of Computer Science at the State University of New York at Buffalo, 1991.
 
-This file is part of GDB.
+   This file is part of GDB.
 
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Parse a Modula-2 expression from text in a string,
    and return the result as a  struct expression  pointer.
@@ -34,7 +33,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
    generator.  Doing this with #defines and trying to control the interaction
    with include files (<malloc.h> and <stdlib.h> for example) just became
    too messy, particularly when such includes can be inserted at random
-   times by the parser generator. */
+   times by the parser generator.  */
    
 %{
 
@@ -44,69 +43,35 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "value.h"
 #include "parser-defs.h"
 #include "m2-lang.h"
+#include "bfd.h" /* Required by objfiles.h.  */
+#include "symfile.h" /* Required by objfiles.h.  */
+#include "objfiles.h" /* For have_full_symbols and have_partial_symbols */
+#include "block.h"
 
-/* These MUST be included in any grammar file!!!! Please choose unique names!
-   Note that this are a combined list of variables that can be produced
-   by any one of bison, byacc, or yacc. */
-#define        yymaxdepth m2_maxdepth
-#define        yyparse m2_parse
-#define        yylex   m2_lex
-#define        yyerror m2_error
-#define        yylval  m2_lval
-#define        yychar  m2_char
-#define        yydebug m2_debug
-#define        yypact  m2_pact
-#define        yyr1    m2_r1
-#define        yyr2    m2_r2
-#define        yydef   m2_def
-#define        yychk   m2_chk
-#define        yypgo   m2_pgo
-#define        yyact   m2_act
-#define        yyexca  m2_exca
-#define yyerrflag m2_errflag
-#define yynerrs        m2_nerrs
-#define        yyps    m2_ps
-#define        yypv    m2_pv
-#define        yys     m2_s
-#define        yy_yys  m2_yys
-#define        yystate m2_state
-#define        yytmp   m2_tmp
-#define        yyv     m2_v
-#define        yy_yyv  m2_yyv
-#define        yyval   m2_val
-#define        yylloc  m2_lloc
-#define yyss   m2_yyss         /* byacc */
-#define        yyssp   m2_yysp         /* byacc */
-#define        yyvs    m2_yyvs         /* byacc */
-#define        yyvsp   m2_yyvsp        /* byacc */
-
-#if 0
-static char *
-make_qualname PARAMS ((char *, char *));
-#endif
+#define parse_type(ps) builtin_type (parse_gdbarch (ps))
+#define parse_m2_type(ps) builtin_m2_type (parse_gdbarch (ps))
 
-static int
-parse_number PARAMS ((int));
+/* Remap normal yacc parser interface names (yyparse, yylex, yyerror,
+   etc).  */
+#define GDB_YY_REMAP_PREFIX m2_
+#include "yy-remap.h"
 
-static int
-yylex PARAMS ((void));
+/* The state of the parser, used internally when we are parsing the
+   expression.  */
 
-void
-yyerror PARAMS ((char *));
+static struct parser_state *pstate = NULL;
 
-int
-yyparse PARAMS ((void));
+int yyparse (void);
 
-/* The sign of the number being parsed. */
-static int number_sign = 1;
+static int yylex (void);
 
-/* The block that the module specified by the qualifer on an identifer is
-   contained in, */
-#if 0
-static struct block *modblock=0;
-#endif
+void yyerror (char *);
+
+static int parse_number (int);
+
+/* The sign of the number being parsed.  */
+static int number_sign = 1;
 
-/* #define     YYDEBUG 1 */
 %}
 
 /* Although the yacc "value" of an expression is not used,
@@ -116,13 +81,13 @@ static struct block *modblock=0;
 %union
   {
     LONGEST lval;
-    unsigned LONGEST ulval;
-    double dval;
+    ULONGEST ulval;
+    DOUBLEST dval;
     struct symbol *sym;
     struct type *tval;
     struct stoken sval;
     int voidval;
-    struct block *bval;
+    const struct block *bval;
     enum exp_opcode opcode;
     struct internalvar *ivar;
 
@@ -154,14 +119,13 @@ static struct block *modblock=0;
 %token <sval> TYPENAME
 
 %token SIZE CAP ORD HIGH ABS MIN_FUNC MAX_FUNC FLOAT_FUNC VAL CHR ODD TRUNC
+%token TSIZE
 %token INC DEC INCL EXCL
 
 /* The GDB scope operator */
 %token COLONCOLON
 
-%token <lval> LAST REGNAME
-
-%token <ivar> INTERNAL_VAR
+%token <voidval> INTERNAL_VAR
 
 /* M2 tokens */
 %left ','
@@ -189,30 +153,31 @@ start   : exp
        ;
 
 type_exp:      type
-               { write_exp_elt_opcode(OP_TYPE);
-                 write_exp_elt_type($1);
-                 write_exp_elt_opcode(OP_TYPE);
+               { write_exp_elt_opcode (pstate, OP_TYPE);
+                 write_exp_elt_type (pstate, $1);
+                 write_exp_elt_opcode (pstate, OP_TYPE);
                }
        ;
 
 /* Expressions */
 
 exp     :       exp '^'   %prec UNARY
-                        { write_exp_elt_opcode (UNOP_IND); }
+                        { write_exp_elt_opcode (pstate, UNOP_IND); }
+       ;
 
 exp    :       '-'
                        { number_sign = -1; }
                exp    %prec UNARY
                        { number_sign = 1;
-                         write_exp_elt_opcode (UNOP_NEG); }
+                         write_exp_elt_opcode (pstate, UNOP_NEG); }
        ;
 
 exp    :       '+' exp    %prec UNARY
-               { write_exp_elt_opcode(UNOP_PLUS); }
+               { write_exp_elt_opcode (pstate, UNOP_PLUS); }
        ;
 
 exp    :       not_exp exp %prec UNARY
-                       { write_exp_elt_opcode (UNOP_LOGICAL_NOT); }
+                       { write_exp_elt_opcode (pstate, UNOP_LOGICAL_NOT); }
        ;
 
 not_exp        :       NOT
@@ -220,104 +185,111 @@ not_exp :       NOT
        ;
 
 exp    :       CAP '(' exp ')'
-                       { write_exp_elt_opcode (UNOP_CAP); }
+                       { write_exp_elt_opcode (pstate, UNOP_CAP); }
        ;
 
 exp    :       ORD '(' exp ')'
-                       { write_exp_elt_opcode (UNOP_ORD); }
+                       { write_exp_elt_opcode (pstate, UNOP_ORD); }
        ;
 
 exp    :       ABS '(' exp ')'
-                       { write_exp_elt_opcode (UNOP_ABS); }
+                       { write_exp_elt_opcode (pstate, UNOP_ABS); }
        ;
 
 exp    :       HIGH '(' exp ')'
-                       { write_exp_elt_opcode (UNOP_HIGH); }
+                       { write_exp_elt_opcode (pstate, UNOP_HIGH); }
        ;
 
 exp    :       MIN_FUNC '(' type ')'
-                       { write_exp_elt_opcode (UNOP_MIN);
-                         write_exp_elt_type ($3);
-                         write_exp_elt_opcode (UNOP_MIN); }
+                       { write_exp_elt_opcode (pstate, UNOP_MIN);
+                         write_exp_elt_type (pstate, $3);
+                         write_exp_elt_opcode (pstate, UNOP_MIN); }
        ;
 
 exp    :       MAX_FUNC '(' type ')'
-                       { write_exp_elt_opcode (UNOP_MAX);
-                         write_exp_elt_type ($3);
-                         write_exp_elt_opcode (UNOP_MIN); }
+                       { write_exp_elt_opcode (pstate, UNOP_MAX);
+                         write_exp_elt_type (pstate, $3);
+                         write_exp_elt_opcode (pstate, UNOP_MAX); }
        ;
 
 exp    :       FLOAT_FUNC '(' exp ')'
-                       { write_exp_elt_opcode (UNOP_FLOAT); }
+                       { write_exp_elt_opcode (pstate, UNOP_FLOAT); }
        ;
 
 exp    :       VAL '(' type ',' exp ')'
-                       { write_exp_elt_opcode (BINOP_VAL);
-                         write_exp_elt_type ($3);
-                         write_exp_elt_opcode (BINOP_VAL); }
+                       { write_exp_elt_opcode (pstate, BINOP_VAL);
+                         write_exp_elt_type (pstate, $3);
+                         write_exp_elt_opcode (pstate, BINOP_VAL); }
        ;
 
 exp    :       CHR '(' exp ')'
-                       { write_exp_elt_opcode (UNOP_CHR); }
+                       { write_exp_elt_opcode (pstate, UNOP_CHR); }
        ;
 
 exp    :       ODD '(' exp ')'
-                       { write_exp_elt_opcode (UNOP_ODD); }
+                       { write_exp_elt_opcode (pstate, UNOP_ODD); }
        ;
 
 exp    :       TRUNC '(' exp ')'
-                       { write_exp_elt_opcode (UNOP_TRUNC); }
+                       { write_exp_elt_opcode (pstate, UNOP_TRUNC); }
+       ;
+
+exp    :       TSIZE '(' exp ')'
+                       { write_exp_elt_opcode (pstate, UNOP_SIZEOF); }
        ;
 
 exp    :       SIZE exp       %prec UNARY
-                       { write_exp_elt_opcode (UNOP_SIZEOF); }
+                       { write_exp_elt_opcode (pstate, UNOP_SIZEOF); }
        ;
 
 
 exp    :       INC '(' exp ')'
-                       { write_exp_elt_opcode(UNOP_PREINCREMENT); }
+                       { write_exp_elt_opcode (pstate, UNOP_PREINCREMENT); }
        ;
 
 exp    :       INC '(' exp ',' exp ')'
-                       { write_exp_elt_opcode(BINOP_ASSIGN_MODIFY);
-                         write_exp_elt_opcode(BINOP_ADD);
-                         write_exp_elt_opcode(BINOP_ASSIGN_MODIFY); }
+                       { write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY);
+                         write_exp_elt_opcode (pstate, BINOP_ADD);
+                         write_exp_elt_opcode (pstate,
+                                               BINOP_ASSIGN_MODIFY); }
        ;
 
 exp    :       DEC '(' exp ')'
-                       { write_exp_elt_opcode(UNOP_PREDECREMENT);}
+                       { write_exp_elt_opcode (pstate, UNOP_PREDECREMENT);}
        ;
 
 exp    :       DEC '(' exp ',' exp ')'
-                       { write_exp_elt_opcode(BINOP_ASSIGN_MODIFY);
-                         write_exp_elt_opcode(BINOP_SUB);
-                         write_exp_elt_opcode(BINOP_ASSIGN_MODIFY); }
+                       { write_exp_elt_opcode (pstate, BINOP_ASSIGN_MODIFY);
+                         write_exp_elt_opcode (pstate, BINOP_SUB);
+                         write_exp_elt_opcode (pstate,
+                                               BINOP_ASSIGN_MODIFY); }
        ;
 
 exp    :       exp DOT NAME
-                       { write_exp_elt_opcode (STRUCTOP_STRUCT);
-                         write_exp_string ($3);
-                         write_exp_elt_opcode (STRUCTOP_STRUCT); }
+                       { write_exp_elt_opcode (pstate, STRUCTOP_STRUCT);
+                         write_exp_string (pstate, $3);
+                         write_exp_elt_opcode (pstate, STRUCTOP_STRUCT); }
        ;
 
 exp    :       set
        ;
 
 exp    :       exp IN set
-                       { error("Sets are not implemented.");}
+                       { error (_("Sets are not implemented."));}
        ;
 
 exp    :       INCL '(' exp ',' exp ')'
-                       { error("Sets are not implemented.");}
+                       { error (_("Sets are not implemented."));}
        ;
 
 exp    :       EXCL '(' exp ',' exp ')'
-                       { error("Sets are not implemented.");}
+                       { error (_("Sets are not implemented."));}
+       ;
 
 set    :       '{' arglist '}'
-                       { error("Sets are not implemented.");}
+                       { error (_("Sets are not implemented."));}
        |       type '{' arglist '}'
-                       { error("Sets are not implemented.");}
+                       { error (_("Sets are not implemented."));}
        ;
 
 
@@ -328,19 +300,25 @@ exp     :       exp '['
                           function types */
                         { start_arglist(); }
                 non_empty_arglist ']'  %prec DOT
-                        { write_exp_elt_opcode (BINOP_MULTI_SUBSCRIPT);
-                         write_exp_elt_longcst ((LONGEST) end_arglist());
-                         write_exp_elt_opcode (BINOP_MULTI_SUBSCRIPT); }
+                        { write_exp_elt_opcode (pstate, MULTI_SUBSCRIPT);
+                         write_exp_elt_longcst (pstate,
+                                                (LONGEST) end_arglist());
+                         write_exp_elt_opcode (pstate, MULTI_SUBSCRIPT); }
         ;
 
+exp    :       exp '[' exp ']'
+                       { write_exp_elt_opcode (pstate, BINOP_SUBSCRIPT); }
+       ;
+
 exp    :       exp '('
                        /* This is to save the value of arglist_len
                           being accumulated by an outer function call.  */
                        { start_arglist (); }
                arglist ')'     %prec DOT
-                       { write_exp_elt_opcode (OP_FUNCALL);
-                         write_exp_elt_longcst ((LONGEST) end_arglist ());
-                         write_exp_elt_opcode (OP_FUNCALL); }
+                       { write_exp_elt_opcode (pstate, OP_FUNCALL);
+                         write_exp_elt_longcst (pstate,
+                                                (LONGEST) end_arglist ());
+                         write_exp_elt_opcode (pstate, OP_FUNCALL); }
        ;
 
 arglist        :
@@ -366,15 +344,15 @@ non_empty_arglist
 
 /* GDB construct */
 exp    :       '{' type '}' exp  %prec UNARY
-                       { write_exp_elt_opcode (UNOP_MEMVAL);
-                         write_exp_elt_type ($2);
-                         write_exp_elt_opcode (UNOP_MEMVAL); }
+                       { write_exp_elt_opcode (pstate, UNOP_MEMVAL);
+                         write_exp_elt_type (pstate, $2);
+                         write_exp_elt_opcode (pstate, UNOP_MEMVAL); }
        ;
 
 exp     :       type '(' exp ')' %prec UNARY
-                        { write_exp_elt_opcode (UNOP_CAST);
-                         write_exp_elt_type ($1);
-                         write_exp_elt_opcode (UNOP_CAST); }
+                        { write_exp_elt_opcode (pstate, UNOP_CAST);
+                         write_exp_elt_type (pstate, $1);
+                         write_exp_elt_opcode (pstate, UNOP_CAST); }
        ;
 
 exp    :       '(' exp ')'
@@ -386,155 +364,152 @@ exp     :       '(' exp ')'
 
 /* GDB construct */
 exp    :       exp '@' exp
-                       { write_exp_elt_opcode (BINOP_REPEAT); }
+                       { write_exp_elt_opcode (pstate, BINOP_REPEAT); }
        ;
 
 exp    :       exp '*' exp
-                       { write_exp_elt_opcode (BINOP_MUL); }
+                       { write_exp_elt_opcode (pstate, BINOP_MUL); }
        ;
 
 exp    :       exp '/' exp
-                       { write_exp_elt_opcode (BINOP_DIV); }
+                       { write_exp_elt_opcode (pstate, BINOP_DIV); }
        ;
 
 exp     :       exp DIV exp
-                        { write_exp_elt_opcode (BINOP_INTDIV); }
+                        { write_exp_elt_opcode (pstate, BINOP_INTDIV); }
         ;
 
 exp    :       exp MOD exp
-                       { write_exp_elt_opcode (BINOP_REM); }
+                       { write_exp_elt_opcode (pstate, BINOP_REM); }
        ;
 
 exp    :       exp '+' exp
-                       { write_exp_elt_opcode (BINOP_ADD); }
+                       { write_exp_elt_opcode (pstate, BINOP_ADD); }
        ;
 
 exp    :       exp '-' exp
-                       { write_exp_elt_opcode (BINOP_SUB); }
+                       { write_exp_elt_opcode (pstate, BINOP_SUB); }
        ;
 
 exp    :       exp '=' exp
-                       { write_exp_elt_opcode (BINOP_EQUAL); }
+                       { write_exp_elt_opcode (pstate, BINOP_EQUAL); }
        ;
 
 exp    :       exp NOTEQUAL exp
-                       { write_exp_elt_opcode (BINOP_NOTEQUAL); }
+                       { write_exp_elt_opcode (pstate, BINOP_NOTEQUAL); }
         |       exp '#' exp
-                        { write_exp_elt_opcode (BINOP_NOTEQUAL); }
+                        { write_exp_elt_opcode (pstate, BINOP_NOTEQUAL); }
        ;
 
 exp    :       exp LEQ exp
-                       { write_exp_elt_opcode (BINOP_LEQ); }
+                       { write_exp_elt_opcode (pstate, BINOP_LEQ); }
        ;
 
 exp    :       exp GEQ exp
-                       { write_exp_elt_opcode (BINOP_GEQ); }
+                       { write_exp_elt_opcode (pstate, BINOP_GEQ); }
        ;
 
 exp    :       exp '<' exp
-                       { write_exp_elt_opcode (BINOP_LESS); }
+                       { write_exp_elt_opcode (pstate, BINOP_LESS); }
        ;
 
 exp    :       exp '>' exp
-                       { write_exp_elt_opcode (BINOP_GTR); }
+                       { write_exp_elt_opcode (pstate, BINOP_GTR); }
        ;
 
 exp    :       exp LOGICAL_AND exp
-                       { write_exp_elt_opcode (BINOP_LOGICAL_AND); }
+                       { write_exp_elt_opcode (pstate, BINOP_LOGICAL_AND); }
        ;
 
 exp    :       exp OROR exp
-                       { write_exp_elt_opcode (BINOP_LOGICAL_OR); }
+                       { write_exp_elt_opcode (pstate, BINOP_LOGICAL_OR); }
        ;
 
 exp    :       exp ASSIGN exp
-                       { write_exp_elt_opcode (BINOP_ASSIGN); }
+                       { write_exp_elt_opcode (pstate, BINOP_ASSIGN); }
        ;
 
 
 /* Constants */
 
 exp    :       M2_TRUE
-                       { write_exp_elt_opcode (OP_BOOL);
-                         write_exp_elt_longcst ((LONGEST) $1);
-                         write_exp_elt_opcode (OP_BOOL); }
+                       { write_exp_elt_opcode (pstate, OP_BOOL);
+                         write_exp_elt_longcst (pstate, (LONGEST) $1);
+                         write_exp_elt_opcode (pstate, OP_BOOL); }
        ;
 
 exp    :       M2_FALSE
-                       { write_exp_elt_opcode (OP_BOOL);
-                         write_exp_elt_longcst ((LONGEST) $1);
-                         write_exp_elt_opcode (OP_BOOL); }
+                       { write_exp_elt_opcode (pstate, OP_BOOL);
+                         write_exp_elt_longcst (pstate, (LONGEST) $1);
+                         write_exp_elt_opcode (pstate, OP_BOOL); }
        ;
 
 exp    :       INT
-                       { write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (builtin_type_m2_int);
-                         write_exp_elt_longcst ((LONGEST) $1);
-                         write_exp_elt_opcode (OP_LONG); }
+                       { write_exp_elt_opcode (pstate, OP_LONG);
+                         write_exp_elt_type (pstate,
+                                       parse_m2_type (pstate)->builtin_int);
+                         write_exp_elt_longcst (pstate, (LONGEST) $1);
+                         write_exp_elt_opcode (pstate, OP_LONG); }
        ;
 
 exp    :       UINT
                        {
-                         write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (builtin_type_m2_card);
-                         write_exp_elt_longcst ((LONGEST) $1);
-                         write_exp_elt_opcode (OP_LONG);
+                         write_exp_elt_opcode (pstate, OP_LONG);
+                         write_exp_elt_type (pstate,
+                                             parse_m2_type (pstate)
+                                             ->builtin_card);
+                         write_exp_elt_longcst (pstate, (LONGEST) $1);
+                         write_exp_elt_opcode (pstate, OP_LONG);
                        }
        ;
 
 exp    :       CHAR
-                       { write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (builtin_type_m2_char);
-                         write_exp_elt_longcst ((LONGEST) $1);
-                         write_exp_elt_opcode (OP_LONG); }
+                       { write_exp_elt_opcode (pstate, OP_LONG);
+                         write_exp_elt_type (pstate,
+                                             parse_m2_type (pstate)
+                                             ->builtin_char);
+                         write_exp_elt_longcst (pstate, (LONGEST) $1);
+                         write_exp_elt_opcode (pstate, OP_LONG); }
        ;
 
 
 exp    :       FLOAT
-                       { write_exp_elt_opcode (OP_DOUBLE);
-                         write_exp_elt_type (builtin_type_m2_real);
-                         write_exp_elt_dblcst ($1);
-                         write_exp_elt_opcode (OP_DOUBLE); }
+                       { write_exp_elt_opcode (pstate, OP_DOUBLE);
+                         write_exp_elt_type (pstate,
+                                             parse_m2_type (pstate)
+                                             ->builtin_real);
+                         write_exp_elt_dblcst (pstate, $1);
+                         write_exp_elt_opcode (pstate, OP_DOUBLE); }
        ;
 
 exp    :       variable
        ;
 
-/* The GDB internal variable $$, et al. */
-exp    :       LAST
-                       { write_exp_elt_opcode (OP_LAST);
-                         write_exp_elt_longcst ((LONGEST) $1);
-                         write_exp_elt_opcode (OP_LAST); }
-       ;
-
-exp    :       REGNAME
-                       { write_exp_elt_opcode (OP_REGISTER);
-                         write_exp_elt_longcst ((LONGEST) $1);
-                         write_exp_elt_opcode (OP_REGISTER); }
-       ;
-
 exp    :       SIZE '(' type ')'       %prec UNARY
-                       { write_exp_elt_opcode (OP_LONG);
-                         write_exp_elt_type (builtin_type_int);
-                         write_exp_elt_longcst ((LONGEST) TYPE_LENGTH ($3));
-                         write_exp_elt_opcode (OP_LONG); }
+                       { write_exp_elt_opcode (pstate, OP_LONG);
+                         write_exp_elt_type (pstate,
+                                           parse_type (pstate)->builtin_int);
+                         write_exp_elt_longcst (pstate,
+                                                (LONGEST) TYPE_LENGTH ($3));
+                         write_exp_elt_opcode (pstate, OP_LONG); }
        ;
 
 exp    :       STRING
-                       { write_exp_elt_opcode (OP_M2_STRING);
-                         write_exp_string ($1);
-                         write_exp_elt_opcode (OP_M2_STRING); }
+                       { write_exp_elt_opcode (pstate, OP_M2_STRING);
+                         write_exp_string (pstate, $1);
+                         write_exp_elt_opcode (pstate, OP_M2_STRING); }
        ;
 
-/* This will be used for extensions later.  Like adding modules. */
+/* This will be used for extensions later.  Like adding modules.  */
 block  :       fblock  
                        { $$ = SYMBOL_BLOCK_VALUE($1); }
        ;
 
 fblock :       BLOCKNAME
                        { struct symbol *sym
-                           = lookup_symbol (copy_name ($1), expression_context_block,
-                                            VAR_NAMESPACE, 0, NULL);
+                           = lookup_symbol (copy_name ($1),
+                                            expression_context_block,
+                                            VAR_DOMAIN, 0).symbol;
                          $$ = sym;}
        ;
                             
@@ -543,9 +518,9 @@ fblock      :       BLOCKNAME
 fblock :       block COLONCOLON BLOCKNAME
                        { struct symbol *tem
                            = lookup_symbol (copy_name ($3), $1,
-                                            VAR_NAMESPACE, 0, NULL);
+                                            VAR_DOMAIN, 0).symbol;
                          if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK)
-                           error ("No function \"%s\" in specified context.",
+                           error (_("No function \"%s\" in specified context."),
                                   copy_name ($3));
                          $$ = tem;
                        }
@@ -553,100 +528,77 @@ fblock   :       block COLONCOLON BLOCKNAME
 
 /* Useful for assigning to PROCEDURE variables */
 variable:      fblock
-                       { write_exp_elt_opcode(OP_VAR_VALUE);
-                         write_exp_elt_sym ($1);
-                         write_exp_elt_opcode (OP_VAR_VALUE); }
+                       { write_exp_elt_opcode (pstate, OP_VAR_VALUE);
+                         write_exp_elt_block (pstate, NULL);
+                         write_exp_elt_sym (pstate, $1);
+                         write_exp_elt_opcode (pstate, OP_VAR_VALUE); }
        ;
 
 /* GDB internal ($foo) variable */
 variable:      INTERNAL_VAR
-                       { write_exp_elt_opcode (OP_INTERNALVAR);
-                         write_exp_elt_intern ($1);
-                         write_exp_elt_opcode (OP_INTERNALVAR); }
        ;
 
 /* GDB scope operator */
 variable:      block COLONCOLON NAME
-                       { struct symbol *sym;
-                         sym = lookup_symbol (copy_name ($3), $1,
-                                              VAR_NAMESPACE, 0, NULL);
-                         if (sym == 0)
-                           error ("No symbol \"%s\" in specified context.",
+                       { struct block_symbol sym
+                           = lookup_symbol (copy_name ($3), $1,
+                                            VAR_DOMAIN, 0);
+
+                         if (sym.symbol == 0)
+                           error (_("No symbol \"%s\" in specified context."),
                                   copy_name ($3));
+                         if (symbol_read_needs_frame (sym.symbol))
+                           {
+                             if (innermost_block == 0
+                                 || contained_in (sym.block,
+                                                  innermost_block))
+                               innermost_block = sym.block;
+                           }
 
-                         write_exp_elt_opcode (OP_VAR_VALUE);
-                         write_exp_elt_sym (sym);
-                         write_exp_elt_opcode (OP_VAR_VALUE); }
+                         write_exp_elt_opcode (pstate, OP_VAR_VALUE);
+                         write_exp_elt_block (pstate, sym.block);
+                         write_exp_elt_sym (pstate, sym.symbol);
+                         write_exp_elt_opcode (pstate, OP_VAR_VALUE); }
        ;
 
-/* Base case for variables. */
+/* Base case for variables.  */
 variable:      NAME
-                       { struct symbol *sym;
-                         int is_a_field_of_this;
+                       { struct block_symbol sym;
+                         struct field_of_this_result is_a_field_of_this;
 
-                         sym = lookup_symbol (copy_name ($1),
+                         sym = lookup_symbol (copy_name ($1),
                                               expression_context_block,
-                                              VAR_NAMESPACE,
-                                              &is_a_field_of_this,
-                                              NULL);
-                         if (sym)
+                                              VAR_DOMAIN,
+                                              &is_a_field_of_this);
+
+                         if (sym.symbol)
                            {
-                             switch (sym->class)
+                             if (symbol_read_needs_frame (sym.symbol))
                                {
-                               case LOC_REGISTER:
-                               case LOC_ARG:
-                               case LOC_LOCAL:
-                               case LOC_REF_ARG:
-                               case LOC_REGPARM:
-                               case LOC_LOCAL_ARG:
                                  if (innermost_block == 0 ||
-                                     contained_in (block_found,
+                                     contained_in (sym.block,
                                                    innermost_block))
-                                   innermost_block = block_found;
-                                 break;
-
-                               case LOC_UNDEF:
-                               case LOC_CONST:
-                               case LOC_STATIC:
-                               case LOC_TYPEDEF:
-                               case LOC_LABEL: /* maybe should go above? */
-                               case LOC_BLOCK:
-                               case LOC_CONST_BYTES:
-                                 /* These are listed so gcc -Wall will reveal
-                                    un-handled cases.  */
-                                 break;
+                                   innermost_block = sym.block;
                                }
-                             write_exp_elt_opcode (OP_VAR_VALUE);
-                             write_exp_elt_sym (sym);
-                             write_exp_elt_opcode (OP_VAR_VALUE);
+
+                             write_exp_elt_opcode (pstate, OP_VAR_VALUE);
+                             write_exp_elt_block (pstate, sym.block);
+                             write_exp_elt_sym (pstate, sym.symbol);
+                             write_exp_elt_opcode (pstate, OP_VAR_VALUE);
                            }
                          else
                            {
-                             struct minimal_symbol *msymbol;
-                             register char *arg = copy_name ($1);
+                             struct bound_minimal_symbol msymbol;
+                             char *arg = copy_name ($1);
 
-                             msymbol = lookup_minimal_symbol (arg,
-                                         (struct objfile *) NULL);
-                             if (msymbol != NULL)
-                               {
-                                 write_exp_elt_opcode (OP_LONG);
-                                 write_exp_elt_type (builtin_type_int);
-                                 write_exp_elt_longcst ((LONGEST) SYMBOL_VALUE_ADDRESS (msymbol));
-                                 write_exp_elt_opcode (OP_LONG);
-                                 write_exp_elt_opcode (UNOP_MEMVAL);
-                                 if (msymbol -> type == mst_data ||
-                                     msymbol -> type == mst_bss)
-                                   write_exp_elt_type (builtin_type_int);
-                                 else if (msymbol -> type == mst_text)
-                                   write_exp_elt_type (lookup_function_type (builtin_type_int));
-                                 else
-                                   write_exp_elt_type (builtin_type_char);
-                                 write_exp_elt_opcode (UNOP_MEMVAL);
-                               }
+                             msymbol =
+                               lookup_bound_minimal_symbol (arg);
+                             if (msymbol.minsym != NULL)
+                               write_exp_msymbol (pstate, msymbol);
                              else if (!have_full_symbols () && !have_partial_symbols ())
-                               error ("No symbol table is loaded.  Use the \"symbol-file\" command.");
+                               error (_("No symbol table is loaded.  Use the \"symbol-file\" command."));
                              else
-                               error ("No symbol \"%s\" in current context.",
+                               error (_("No symbol \"%s\" in current context."),
                                       copy_name ($1));
                            }
                        }
@@ -654,29 +606,15 @@ variable: NAME
 
 type
        :       TYPENAME
-                       { $$ = lookup_typename (copy_name ($1),
+                       { $$ = lookup_typename (parse_language (pstate),
+                                               parse_gdbarch (pstate),
+                                               copy_name ($1),
                                                expression_context_block, 0); }
 
        ;
 
 %%
 
-#if 0  /* FIXME! */
-int
-overflow(a,b)
-   long a,b;
-{
-   return (MAX_OF_TYPE(builtin_type_m2_int) - b) < a;
-}
-
-int
-uoverflow(a,b)
-   unsigned long a,b;
-{
-   return (MAX_OF_TYPE(builtin_type_m2_card) - b) < a;
-}
-#endif /* FIXME */
-
 /* Take care of parsing a number (anything that starts with a digit).
    Set yylval and return the token type; update lexptr.
    LEN is the number of characters in it.  */
@@ -684,15 +622,14 @@ uoverflow(a,b)
 /*** Needs some error checking for the float case ***/
 
 static int
-parse_number (olen)
-     int olen;
+parse_number (int olen)
 {
-  register char *p = lexptr;
-  register LONGEST n = 0;
-  register LONGEST prevn = 0;
-  register int c,i,ischar=0;
-  register int base = input_radix;
-  register int len = olen;
+  const char *p = lexptr;
+  LONGEST n = 0;
+  LONGEST prevn = 0;
+  int c,i,ischar=0;
+  int base = input_radix;
+  int len = olen;
   int unsigned_p = number_sign == 1 ? 1 : 0;
 
   if(p[len-1] == 'H')
@@ -718,9 +655,9 @@ parse_number (olen)
        return FLOAT;
       }
     if (p[c] == '.' && base != 10)
-       error("Floating point numbers must be base 10.");
+       error (_("Floating point numbers must be base 10."));
     if (base == 10 && (p[c] < '0' || p[c] > '9'))
-       error("Invalid digit \'%c\' in number.",p[c]);
+       error (_("Invalid digit \'%c\' in number."),p[c]);
  }
 
   while (len-- > 0)
@@ -728,7 +665,7 @@ parse_number (olen)
       c = *p++;
       n *= base;
       if( base == 8 && (c == '8' || c == '9'))
-        error("Invalid digit \'%c\' in octal number.",c);
+        error (_("Invalid digit \'%c\' in octal number."),c);
       if (c >= '0' && c <= '9')
        i = c - '0';
       else
@@ -744,12 +681,12 @@ parse_number (olen)
       if(!unsigned_p && number_sign == 1 && (prevn >= n))
         unsigned_p=1;          /* Try something unsigned */
       /* Don't do the range check if n==i and i==0, since that special
-        case will give an overflow error. */
+        case will give an overflow error.  */
       if(RANGE_CHECK && n!=i && i)
       {
         if((unsigned_p && (unsigned)prevn >= (unsigned)n) ||
            ((!unsigned_p && number_sign==-1) && -prevn <= -n))
-           range_error("Overflow on numeric constant.");
+           range_error (_("Overflow on numeric constant."));
       }
         prevn=n;
     }
@@ -769,7 +706,7 @@ parse_number (olen)
      return UINT;
   }
   else if((unsigned_p && (n<0))) {
-     range_error("Overflow on numeric constant -- number too large.");
+     range_error (_("Overflow on numeric constant -- number too large."));
      /* But, this can return if range_check == range_warn.  */
   }
   yylval.lval = n;
@@ -824,31 +761,34 @@ static struct keyword keytab[] =
     {"SIZE",  SIZE       },
     {"FLOAT", FLOAT_FUNC },
     {"TRUNC", TRUNC     },
+    {"TSIZE", SIZE       },
 };
 
 
 /* Read one token, getting characters through lexptr.  */
 
-/* This is where we will check to make sure that the language and the operators used are
-   compatible  */
+/* This is where we will check to make sure that the language and the
+   operators used are compatible  */
 
 static int
-yylex ()
+yylex (void)
 {
-  register int c;
-  register int namelen;
-  register int i;
-  register char *tokstart;
-  register char quote;
+  int c;
+  int namelen;
+  int i;
+  const char *tokstart;
+  char quote;
 
  retry:
 
+  prev_lexptr = lexptr;
+
   tokstart = lexptr;
 
 
   /* See if it is a special token of length 2 */
-  for( i = 0 ; i < sizeof tokentab2 / sizeof tokentab2[0] ; i++)
-     if(!strncmp(tokentab2[i].name, tokstart, 2))
+  for( i = 0 ; i < (int) (sizeof tokentab2 / sizeof tokentab2[0]) ; i++)
+     if (strncmp (tokentab2[i].name, tokstart, 2) == 0)
      {
        lexptr += 2;
        return tokentab2[i].token;
@@ -928,7 +868,7 @@ yylex ()
              }
          }
       if(c != quote)
-        error("Unterminated string or character constant.");
+        error (_("Unterminated string or character constant."));
       yylval.sval.ptr = tokstart + 1;
       yylval.sval.length = namelen - 1;
       lexptr += namelen + 1;
@@ -949,7 +889,7 @@ yylex ()
     {
       /* It's a number.  */
       int got_dot = 0, got_e = 0;
-      register char *p = tokstart;
+      const char *p = tokstart;
       int toktype;
 
       for (++p ;; ++p)
@@ -975,7 +915,7 @@ yylex ()
 
            memcpy (err_copy, tokstart, p - tokstart);
            err_copy[p - tokstart] = 0;
-           error ("Invalid number \"%s\".", err_copy);
+           error (_("Invalid number \"%s\"."), err_copy);
          }
        lexptr = p;
        return toktype;
@@ -984,7 +924,7 @@ yylex ()
   if (!(c == '_' || c == '$'
        || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')))
     /* We must have come across a bad character (e.g. ';').  */
-    error ("Invalid character '%c' in expression.", c);
+    error (_("Invalid character '%c' in expression."), c);
 
   /* It's a name.  See how long it is.  */
   namelen = 0;
@@ -1003,78 +943,21 @@ yylex ()
 
   lexptr += namelen;
 
-  /* Handle the tokens $digits; also $ (short for $0) and $$ (short for $$1)
-     and $$digits (equivalent to $<-digits> if you could type that).
-     Make token type LAST, and put the number (the digits) in yylval.  */
-
-  if (*tokstart == '$')
-    {
-      register int negate = 0;
-      c = 1;
-      /* Double dollar means negate the number and add -1 as well.
-        Thus $$ alone means -1.  */
-      if (namelen >= 2 && tokstart[1] == '$')
-       {
-         negate = 1;
-         c = 2;
-       }
-      if (c == namelen)
-       {
-         /* Just dollars (one or two) */
-         yylval.lval = - negate;
-         return LAST;
-       }
-      /* Is the rest of the token digits?  */
-      for (; c < namelen; c++)
-       if (!(tokstart[c] >= '0' && tokstart[c] <= '9'))
-         break;
-      if (c == namelen)
-       {
-         yylval.lval = atoi (tokstart + 1 + negate);
-         if (negate)
-           yylval.lval = - yylval.lval;
-         return LAST;
-       }
-    }
-
-  /* Handle tokens that refer to machine registers:
-     $ followed by a register name.  */
-
-  if (*tokstart == '$') {
-    for (c = 0; c < NUM_REGS; c++)
-      if (namelen - 1 == strlen (reg_names[c])
-         && !strncmp (tokstart + 1, reg_names[c], namelen - 1))
-       {
-         yylval.lval = c;
-         return REGNAME;
-       }
-    for (c = 0; c < num_std_regs; c++)
-     if (namelen - 1 == strlen (std_regs[c].name)
-        && !strncmp (tokstart + 1, std_regs[c].name, namelen - 1))
-       {
-        yylval.lval = std_regs[c].regnum;
-        return REGNAME;
-       }
-  }
-
-
   /*  Lookup special keywords */
-  for(i = 0 ; i < sizeof(keytab) / sizeof(keytab[0]) ; i++)
-     if(namelen == strlen(keytab[i].keyw) && !strncmp(tokstart,keytab[i].keyw,namelen))
+  for(i = 0 ; i < (int) (sizeof(keytab) / sizeof(keytab[0])) ; i++)
+     if (namelen == strlen (keytab[i].keyw)
+        && strncmp (tokstart, keytab[i].keyw, namelen) == 0)
           return keytab[i].token;
 
   yylval.sval.ptr = tokstart;
   yylval.sval.length = namelen;
 
-  /* Any other names starting in $ are debugger internal variables.  */
-
   if (*tokstart == '$')
     {
-      yylval.ivar = (struct internalvar *) lookup_internalvar (copy_name (yylval.sval) + 1);
+      write_dollar_variable (pstate, yylval.sval);
       return INTERNAL_VAR;
     }
 
-
   /* Use token-type BLOCKNAME for symbols that happen to be defined as
      functions.  If this is not so, then ...
      Use token-type TYPENAME for symbols that happen to be defined
@@ -1086,28 +969,30 @@ yylex ()
     char *tmp = copy_name (yylval.sval);
     struct symbol *sym;
 
-    if (lookup_partial_symtab (tmp))
+    if (lookup_symtab (tmp))
       return BLOCKNAME;
-    sym = lookup_symbol (tmp, expression_context_block,
-                        VAR_NAMESPACE, 0, NULL);
+    sym = lookup_symbol (tmp, expression_context_block, VAR_DOMAIN, 0).symbol;
     if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
       return BLOCKNAME;
-    if (lookup_typename (copy_name (yylval.sval), expression_context_block, 1))
+    if (lookup_typename (parse_language (pstate), parse_gdbarch (pstate),
+                        copy_name (yylval.sval),
+                        expression_context_block, 1))
       return TYPENAME;
 
     if(sym)
     {
-       switch(sym->class)
+      switch(SYMBOL_CLASS (sym))
        {
        case LOC_STATIC:
        case LOC_REGISTER:
        case LOC_ARG:
        case LOC_REF_ARG:
-       case LOC_REGPARM:
+       case LOC_REGPARM_ADDR:
        case LOC_LOCAL:
-       case LOC_LOCAL_ARG:
        case LOC_CONST:
        case LOC_CONST_BYTES:
+       case LOC_OPTIMIZED_OUT:
+       case LOC_COMPUTED:
          return NAME;
 
        case LOC_TYPEDEF:
@@ -1117,54 +1002,58 @@ yylex ()
          return BLOCKNAME;
 
        case LOC_UNDEF:
-         error("internal:  Undefined class in m2lex()");
+         error (_("internal:  Undefined class in m2lex()"));
 
        case LOC_LABEL:
-         error("internal:  Unforseen case in m2lex()");
+       case LOC_UNRESOLVED:
+         error (_("internal:  Unforseen case in m2lex()"));
+
+       default:
+         error (_("unhandled token in m2lex()"));
+         break;
        }
     }
     else
     {
-       /* Built-in BOOLEAN type.  This is sort of a hack. */
-       if(!strncmp(tokstart,"TRUE",4))
+       /* Built-in BOOLEAN type.  This is sort of a hack.  */
+       if (strncmp (tokstart, "TRUE", 4) == 0)
        {
          yylval.ulval = 1;
          return M2_TRUE;
        }
-       else if(!strncmp(tokstart,"FALSE",5))
+       else if (strncmp (tokstart, "FALSE", 5) == 0)
        {
          yylval.ulval = 0;
          return M2_FALSE;
        }
     }
 
-    /* Must be another type of name... */
+    /* Must be another type of name...  */
     return NAME;
  }
 }
 
-#if 0          /* Unused */
-static char *
-make_qualname(mod,ident)
-   char *mod, *ident;
+int
+m2_parse (struct parser_state *par_state)
 {
-   char *new = malloc(strlen(mod)+strlen(ident)+2);
+  int result;
+  struct cleanup *c = make_cleanup_clear_parser_state (&pstate);
 
-   strcpy(new,mod);
-   strcat(new,".");
-   strcat(new,ident);
-   return new;
+  /* Setting up the parser state.  */
+  gdb_assert (par_state != NULL);
+  pstate = par_state;
+
+  result = yyparse ();
+  do_cleanups (c);
+
+  return result;
 }
-#endif  /* 0 */
 
 void
-yyerror(msg)
-     char *msg;        /* unused */
+yyerror (char *msg)
 {
-   printf("Parsing:  %s\n",lexptr);
-   if (yychar < 256)
-     error("Invalid syntax in expression near character '%c'.",yychar);
-   else
-     error("Invalid syntax in expression");
-}
+  if (prev_lexptr)
+    lexptr = prev_lexptr;
 
+  error (_("A %s in expression, near `%s'."), (msg ? msg : "error"), lexptr);
+}
This page took 0.042554 seconds and 4 git commands to generate.