Initial revision

1 files changed, 198 insertions, 0 deletions

diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h
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+/* Parser definitions for GDB.
+   Copyright (C) 1986, 1989, 1990, 1991 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 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 distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#if !defined (PARSER_DEFS_H)
+#define PARSER_DEFS_H 1
+
+struct std_regs {
+	char *name;
+	int regnum;
+};
+
+extern struct std_regs std_regs[];
+extern unsigned num_std_regs;
+
+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.  */
+
+extern struct block *expression_context_block;
+
+/* The innermost context required by the stack and register variables
+   we've encountered so far. */
+extern struct block *innermost_block;
+
+/* 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.  */
+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. */
+
+struct stoken
+  {
+    /* Pointer to first byte of char-string or first bit of bit-string */
+    char *ptr;
+    /* Length of string in bytes for char-string or bits for bit-string */
+    int length;
+  };
+
+struct ttype
+  {
+    struct stoken stoken;
+    struct type *type;
+  };
+
+struct symtoken
+  {
+    struct stoken stoken;
+    struct symbol *sym;
+    int is_a_field_of_this;
+  };
+
+/* 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};
+/* The stack can contain either an enum type_pieces or an int.  */
+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 PARAMS ((union exp_element));
+
+extern void write_exp_elt_opcode PARAMS ((enum exp_opcode));
+
+extern void write_exp_elt_sym PARAMS ((struct symbol *));
+
+extern void write_exp_elt_longcst PARAMS ((LONGEST));
+
+extern void write_exp_elt_dblcst PARAMS ((DOUBLEST));
+
+extern void write_exp_elt_type PARAMS ((struct type *));
+
+extern void write_exp_elt_intern PARAMS ((struct internalvar *));
+
+extern void write_exp_string PARAMS ((struct stoken));
+
+extern void write_exp_bitstring PARAMS ((struct stoken));
+
+extern void write_exp_elt_block PARAMS ((struct block *));
+
+extern void write_exp_msymbol PARAMS ((struct minimal_symbol *,
+				       struct type *, struct type *));
+
+extern void write_dollar_variable PARAMS ((struct stoken str));
+
+extern struct symbol * parse_nested_classes_for_hpacc PARAMS ((char *, int, char **, int *, char **));
+
+extern char * find_template_name_end PARAMS ((char *));
+
+extern void
+start_arglist PARAMS ((void));
+
+extern int
+end_arglist PARAMS ((void));
+
+extern char *
+copy_name PARAMS ((struct stoken));
+
+extern void 
+push_type PARAMS ((enum type_pieces));
+
+extern void
+push_type_int PARAMS ((int));
+
+extern enum type_pieces 
+pop_type PARAMS ((void));
+
+extern int
+pop_type_int PARAMS ((void));
+
+extern int
+length_of_subexp PARAMS ((struct expression *, int));
+
+extern struct type *follow_types PARAMS ((struct type *));
+
+/* During parsing of a C expression, the pointer to the next character
+   is in this variable.  */
+
+extern char *lexptr;
+
+/* Tokens that refer to names do so with explicit pointer and length,
+   so they can share the storage that lexptr is parsing.
+
+   When it is necessary to pass a name to a function that expects
+   a null-terminated string, the substring is copied out
+   into a block of storage that namecopy points to.
+
+   namecopy is allocated once, guaranteed big enough, for each parsing.  */
+
+extern char *namecopy;
+
+/* Current depth in parentheses within the expression.  */
+
+extern int paren_depth;
+
+/* Nonzero means stop parsing on first comma (if not within parentheses).  */
+
+extern int comma_terminates;
+
+/* These codes indicate operator precedences for expression printing,
+   least tightly binding first.  */
+/* Adding 1 to a precedence value is done for binary operators,
+   on the operand which is more tightly bound, so that operators
+   of equal precedence within that operand will get parentheses.  */
+/* PREC_HYPER and PREC_ABOVE_COMMA are not the precedence of any operator;
+   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_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;
+
+  /* For a binary operator:  1 iff right associate.
+     For a unary operator:  1 iff postfix. */
+  int right_assoc;
+};
+
+#endif	/* PARSER_DEFS_H */