X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fparser-defs.h;h=f49ff9e76aa53db543303f92099ed0dc23fe16f8;hb=a9dc948127c2cb5127cec5ca87dbc19f17dd16cf;hp=2e2b9e834b69d85e4e2d8b7a79fd6ba425c325f0;hpb=100f92e2dea21ccb7de8fb0cb3a9b70d43d55bad;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h
index 2e2b9e834b..f49ff9e76a 100644
--- a/gdb/parser-defs.h
+++ b/gdb/parser-defs.h
@@ -1,53 +1,59 @@
 /* Parser definitions for GDB.
-   Copyright (C) 1986, 1989, 1990, 1991 Free Software Foundation, Inc.
+
+   Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+   1998, 1999, 2000, 2002, 2007, 2008 Free Software Foundation, Inc.
+
    Modified from expread.y by the Department of Computer Science at the
    State University of New York at Buffalo.
 
-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/>.  */
 
 #if !defined (PARSER_DEFS_H)
 #define PARSER_DEFS_H 1
 
-struct std_regs {
-	char *name;
-	int regnum;
-};
+#include "doublest.h"
 
-extern struct std_regs std_regs[];
-extern unsigned num_std_regs;
+struct block;
 
-struct expression *expout;
-int expout_size;
-int expout_ptr;
+extern struct expression *expout;
+extern int expout_size;
+extern int expout_ptr;
 
 /* If this is nonzero, this block is used as the lexical context
    for symbol names.  */
 
-struct block *expression_context_block;
+extern struct block *expression_context_block;
+
+/* If expression_context_block is non-zero, then this is the PC within
+   the block that we want to evaluate expressions at.  When debugging
+   C or C++ code, we use this to find the exact line we're at, and
+   then look up the macro definitions active at that point.  */
+extern CORE_ADDR expression_context_pc;
 
 /* The innermost context required by the stack and register variables
    we've encountered so far. */
-struct block *innermost_block;
+extern struct block *innermost_block;
 
-/* The block in which the most recently discovered symbol was found. */
-struct block *block_found;
+/* The block in which the most recently discovered symbol was found.
+   FIXME: Should be declared along with lookup_symbol in symtab.h; is not
+   related specifically to parsing.  */
+extern struct block *block_found;
 
 /* Number of arguments seen so far in innermost function call.  */
-int arglist_len;
+extern int arglist_len;
 
 /* A string token, either a char-string or bit-string.  Char-strings are
    used, for example, for the names of symbols. */
@@ -73,65 +79,110 @@ struct symtoken
     int is_a_field_of_this;
   };
 
+struct objc_class_str
+  {
+    struct stoken stoken;
+    struct type *type;
+    int class;
+  };
+
+
 /* For parsing of complicated types.
    An array should be preceded in the list by the size of the array.  */
 enum type_pieces
-  {tp_end = -1, tp_pointer, tp_reference, tp_array, tp_function};
+  {
+    tp_end = -1, 
+    tp_pointer, 
+    tp_reference, 
+    tp_array, 
+    tp_function, 
+    tp_const, 
+    tp_volatile, 
+    tp_space_identifier
+  };
 /* The stack can contain either an enum type_pieces or an int.  */
-union type_stack_elt {
-  enum type_pieces piece;
-  int int_val;
-};
-union type_stack_elt *type_stack;
-int type_stack_depth, type_stack_size;
+union type_stack_elt
+  {
+    enum type_pieces piece;
+    int int_val;
+  };
+extern union type_stack_elt *type_stack;
+extern int type_stack_depth, type_stack_size;
+
+extern void write_exp_elt (union exp_element);
+
+extern void write_exp_elt_opcode (enum exp_opcode);
+
+extern void write_exp_elt_sym (struct symbol *);
+
+extern void write_exp_elt_longcst (LONGEST);
+
+extern void write_exp_elt_dblcst (DOUBLEST);
+
+extern void write_exp_elt_decfloatcst (gdb_byte *);
+
+extern void write_exp_elt_type (struct type *);
+
+extern void write_exp_elt_intern (struct internalvar *);
+
+extern void write_exp_string (struct stoken);
+
+extern void write_exp_bitstring (struct stoken);
+
+extern void write_exp_elt_block (struct block *);
 
-extern void write_exp_elt PARAMS ((union exp_element));
+extern void write_exp_elt_objfile (struct objfile *objfile);
 
-extern void write_exp_elt_opcode PARAMS ((enum exp_opcode));
+extern void write_exp_msymbol (struct minimal_symbol *,
+			       struct type *, struct type *);
 
-extern void write_exp_elt_sym PARAMS ((struct symbol *));
+extern void write_dollar_variable (struct stoken str);
 
-extern void write_exp_elt_longcst PARAMS ((LONGEST));
+extern void mark_struct_expression (void);
 
-extern void write_exp_elt_dblcst PARAMS ((double));
+extern char *find_template_name_end (char *);
 
-extern void write_exp_elt_type PARAMS ((struct type *));
+extern void start_arglist (void);
 
-extern void write_exp_elt_intern PARAMS ((struct internalvar *));
+extern int end_arglist (void);
 
-extern void write_exp_string PARAMS ((struct stoken));
+extern char *copy_name (struct stoken);
 
-extern void write_exp_bitstring PARAMS ((struct stoken));
+extern void push_type (enum type_pieces);
 
-extern void write_exp_elt_block PARAMS ((struct block *));
+extern void push_type_int (int);
 
-extern void
-start_arglist PARAMS ((void));
+extern void push_type_address_space (char *);
 
-extern int
-end_arglist PARAMS ((void));
+extern enum type_pieces pop_type (void);
 
-extern char *
-copy_name PARAMS ((struct stoken));
+extern int pop_type_int (void);
 
-extern void 
-push_type PARAMS ((enum type_pieces));
+extern int length_of_subexp (struct expression *, int);
 
-extern void
-push_type_int PARAMS ((int));
+extern int dump_subexp (struct expression *, struct ui_file *, int);
 
-extern enum type_pieces 
-pop_type PARAMS ((void));
+extern int dump_subexp_body_standard (struct expression *, 
+				      struct ui_file *, int);
 
-extern int
-pop_type_int PARAMS ((void));
+extern void operator_length (struct expression *, int, int *, int *);
 
-extern struct type *follow_types PARAMS ((struct type *));
+extern void operator_length_standard (struct expression *, int, int *, int *);
+
+extern char *op_name_standard (enum exp_opcode);
+
+extern struct type *follow_types (struct type *);
+
+extern void null_post_parser (struct expression **, int);
 
 /* During parsing of a C expression, the pointer to the next character
    is in this variable.  */
 
-char *lexptr;
+extern char *lexptr;
+
+/* After a token has been recognized, this variable points to it.  
+   Currently used only for error reporting.  */
+extern char *prev_lexptr;
 
 /* Tokens that refer to names do so with explicit pointer and length,
    so they can share the storage that lexptr is parsing.
@@ -142,15 +193,15 @@ char *lexptr;
 
    namecopy is allocated once, guaranteed big enough, for each parsing.  */
 
-char *namecopy;
+extern char *namecopy;
 
 /* Current depth in parentheses within the expression.  */
 
-int paren_depth;
+extern int paren_depth;
 
 /* Nonzero means stop parsing on first comma (if not within parentheses).  */
 
-int comma_terminates;
+extern int comma_terminates;
 
 /* These codes indicate operator precedences for expression printing,
    least tightly binding first.  */
@@ -161,21 +212,71 @@ int comma_terminates;
    they are used as the "surrounding precedence" to force
    various kinds of things to be parenthesized.  */
 enum precedence
-{ PREC_NULL, PREC_COMMA, PREC_ABOVE_COMMA, PREC_ASSIGN, PREC_LOGICAL_OR,
-  PREC_LOGICAL_AND, PREC_BITWISE_IOR, PREC_BITWISE_AND, PREC_BITWISE_XOR,
-  PREC_EQUAL, PREC_ORDER, PREC_SHIFT, PREC_ADD, PREC_MUL, PREC_REPEAT,
-  PREC_HYPER, PREC_PREFIX, PREC_SUFFIX };
+  {
+    PREC_NULL, PREC_COMMA, PREC_ABOVE_COMMA, PREC_ASSIGN, PREC_LOGICAL_OR,
+    PREC_LOGICAL_AND, PREC_BITWISE_IOR, PREC_BITWISE_AND, PREC_BITWISE_XOR,
+    PREC_EQUAL, PREC_ORDER, PREC_SHIFT, PREC_ADD, PREC_MUL, PREC_REPEAT,
+    PREC_HYPER, PREC_PREFIX, PREC_SUFFIX, PREC_BUILTIN_FUNCTION
+  };
 
 /* Table mapping opcodes into strings for printing operators
    and precedences of the operators.  */
 
 struct op_print
-{
-  char *string;
-  enum exp_opcode opcode;
-  /* Precedence of operator.  These values are used only by comparisons.  */
-  enum precedence precedence;
-  int right_assoc;
-};
-
-#endif	/* PARSER_DEFS_H */
+  {
+    char *string;
+    enum exp_opcode opcode;
+    /* Precedence of operator.  These values are used only by comparisons.  */
+    enum precedence precedence;
+
+    /* For a binary operator:  1 iff right associate.
+       For a unary operator:  1 iff postfix. */
+    int right_assoc;
+  };
+
+/* Information needed to print, prefixify, and evaluate expressions for 
+   a given language.  */
+
+struct exp_descriptor
+  {
+    /* Print subexpression.  */
+    void (*print_subexp) (struct expression *, int *, struct ui_file *,
+			  enum precedence);
+
+    /* Returns number of exp_elements needed to represent an operator and
+       the number of subexpressions it takes.  */
+    void (*operator_length) (struct expression*, int, int*, int *);
+
+    /* Name of this operator for dumping purposes.  */
+    char *(*op_name) (enum exp_opcode);
+
+    /* Dump the rest of this (prefix) expression after the operator
+       itself has been printed.  See dump_subexp_body_standard in
+       (expprint.c).  */
+    int (*dump_subexp_body) (struct expression *, struct ui_file *, int);
+
+    /* Evaluate an expression.  */
+    struct value *(*evaluate_exp) (struct type *, struct expression *,
+				   int *, enum noside);
+  };
+
+
+/* Default descriptor containing standard definitions of all
+   elements.  */
+extern const struct exp_descriptor exp_descriptor_standard;
+
+/* Functions used by language-specific extended operators to (recursively)
+   print/dump subexpressions.  */
+
+extern void print_subexp (struct expression *, int *, struct ui_file *,
+			  enum precedence);
+
+extern void print_subexp_standard (struct expression *, int *, 
+				   struct ui_file *, enum precedence);
+
+/* Function used to avoid direct calls to fprintf
+   in the code generated by the bison parser.  */
+
+extern void parser_fprintf (FILE *, const char *, ...) ATTR_FORMAT (printf, 2 ,3);
+
+#endif /* PARSER_DEFS_H */