2003-09-09 Paul N. Hilfinger <[email protected]>

[binutils.git] / gdb / m2-exp.y

diff --git a/gdb/m2-exp.y b/gdb/m2-exp.y
index 507e5bc62fd2373a83bf9c7f330a420cc799e3f4..37cf694b879dd00507214e04882b2c96cf6449fd 100644 (file)
--- a/gdb/m2-exp.y
+++ b/gdb/m2-exp.y
@@ -1,5 +1,6 @@
 /* YACC grammar for Modula-2 expressions, for GDB.
-   Copyright (C) 1986, 1989, 1990, 1991, 1993, 1994, 1995
+   Copyright 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999,
+   2000
    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.
@@ -49,6 +50,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #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"
 
 /* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
    as well as gratuitiously global symbol names, so we can have multiple
@@ -86,6 +88,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define        yylloc  m2_lloc
 #define        yyreds  m2_reds         /* With YYDEBUG defined */
 #define        yytoks  m2_toks         /* With YYDEBUG defined */
+#define yyname m2_name         /* With YYDEBUG defined */
+#define yyrule m2_rule         /* With YYDEBUG defined */
 #define yylhs  m2_yylhs
 #define yylen  m2_yylen
 #define yydefred m2_yydefred
@@ -97,25 +101,22 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #define yycheck         m2_yycheck
 
 #ifndef YYDEBUG
-#define        YYDEBUG 0               /* Default to no yydebug support */
+#define        YYDEBUG 1               /* Default to yydebug support */
 #endif
 
-int
-yyparse PARAMS ((void));
+#define YYFPRINTF parser_fprintf
 
-static int
-yylex PARAMS ((void));
+int yyparse (void);
 
-void
-yyerror PARAMS ((char *));
+static int yylex (void);
+
+void yyerror (char *);
 
 #if 0
-static char *
-make_qualname PARAMS ((char *, char *));
+static char *make_qualname (char *, char *);
 #endif
 
-static int
-parse_number PARAMS ((int));
+static int parse_number (int);
 
 /* The sign of the number being parsed. */
 static int number_sign = 1;
@@ -216,6 +217,7 @@ type_exp:   type
 
 exp     :       exp '^'   %prec UNARY
                         { write_exp_elt_opcode (UNOP_IND); }
+       ;
 
 exp    :       '-'
                        { number_sign = -1; }
@@ -330,6 +332,7 @@ exp :       INCL '(' exp ',' exp ')'
 
 exp    :       EXCL '(' exp ',' exp ')'
                        { error("Sets are not implemented.");}
+       ;
 
 set    :       '{' arglist '}'
                        { error("Sets are not implemented.");}
@@ -538,7 +541,7 @@ block       :       fblock
 fblock :       BLOCKNAME
                        { struct symbol *sym
                            = lookup_symbol (copy_name ($1), expression_context_block,
-                                            VAR_NAMESPACE, 0, NULL);
+                                            VAR_DOMAIN, 0, NULL);
                          $$ = sym;}
        ;
                             
@@ -547,7 +550,7 @@ fblock      :       BLOCKNAME
 fblock :       block COLONCOLON BLOCKNAME
                        { struct symbol *tem
                            = lookup_symbol (copy_name ($3), $1,
-                                            VAR_NAMESPACE, 0, NULL);
+                                            VAR_DOMAIN, 0, NULL);
                          if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK)
                            error ("No function \"%s\" in specified context.",
                                   copy_name ($3));
@@ -571,7 +574,7 @@ variable:   INTERNAL_VAR
 variable:      block COLONCOLON NAME
                        { struct symbol *sym;
                          sym = lookup_symbol (copy_name ($3), $1,
-                                              VAR_NAMESPACE, 0, NULL);
+                                              VAR_DOMAIN, 0, NULL);
                          if (sym == 0)
                            error ("No symbol \"%s\" in specified context.",
                                   copy_name ($3));
@@ -590,7 +593,7 @@ variable:   NAME
 
                          sym = lookup_symbol (copy_name ($1),
                                               expression_context_block,
-                                              VAR_NAMESPACE,
+                                              VAR_DOMAIN,
                                               &is_a_field_of_this,
                                               NULL);
                          if (sym)
@@ -825,6 +828,8 @@ yylex ()
 
  retry:
 
+  prev_lexptr = lexptr;
+
   tokstart = lexptr;
 
 
@@ -1013,7 +1018,7 @@ yylex ()
     if (lookup_partial_symtab (tmp))
       return BLOCKNAME;
     sym = lookup_symbol (tmp, expression_context_block,
-                        VAR_NAMESPACE, 0, NULL);
+                        VAR_DOMAIN, 0, NULL);
     if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
       return BLOCKNAME;
     if (lookup_typename (copy_name (yylval.sval), expression_context_block, 1))
@@ -1036,6 +1041,8 @@ yylex ()
        case LOC_CONST:
        case LOC_CONST_BYTES:
        case LOC_OPTIMIZED_OUT:
+       case LOC_COMPUTED:
+       case LOC_COMPUTED_ARG:
          return NAME;
 
        case LOC_TYPEDEF:
@@ -1050,6 +1057,10 @@ yylex ()
        case LOC_LABEL:
        case LOC_UNRESOLVED:
          error("internal:  Unforseen case in m2lex()");
+
+       default:
+         error ("unhandled token in m2lex()");
+         break;
        }
     }
     else
@@ -1090,5 +1101,8 @@ void
 yyerror (msg)
      char *msg;
 {
+  if (prev_lexptr)
+    lexptr = prev_lexptr;
+
   error ("A %s in expression, near `%s'.", (msg ? msg : "error"), lexptr);
 }