/* Definitions for expressions stored in reversed prefix form, for GDB.
- Copyright 1986, 1989, 1992, 1994, 2000 Free Software Foundation, Inc.
+
+ Copyright 1986, 1989, 1992, 1994, 2000, 2003 Free Software
+ Foundation, Inc.
This file is part of GDB.
the second operand with itself that many times. */
BINOP_CONCAT,
- /* For (OBSOLETE) Chill (OBSOLETE) and Pascal. */
+ /* For (the deleted) Chill and Pascal. */
BINOP_IN, /* Returns 1 iff ARG1 IN ARG2. */
- /* This is the "colon operator" used various places in (OBSOLETE)
- Chill (OBSOLETE). */
+ /* This is the "colon operator" used various places in (the
+ deleted) Chill. */
BINOP_RANGE,
/* This must be the highest BINOP_ value, for expprint.c. */
/* Operates on three values computed by following subexpressions. */
TERNOP_COND, /* ?: */
- /* A sub-string/sub-array. (OBSOLETE) Chill (OBSOLETE) syntax:
+ /* A sub-string/sub-array. (the deleted) Chill syntax:
OP1(OP2:OP3). Return elements OP2 through OP3 of OP1. */
TERNOP_SLICE,
- /* A sub-string/sub-array. (OBSOLETE) Chill (OBSOLETE) syntax:
- OP1(OP2 UP OP3). Return OP3 elements of OP1, starting with
- element OP2. */
+ /* A sub-string/sub-array. (The deleted) Chill syntax: OP1(OP2 UP
+ OP3). Return OP3 elements of OP1, starting with element
+ OP2. */
TERNOP_SLICE_COUNT,
/* Multidimensional subscript operator, such as Modula-2 x[a,b,...].
making three exp_elements. */
OP_FUNCALL,
- /* OP_MSGCALL is followed by a string in the next exp_element and then an
+ /* OP_OBJC_MSGCALL is followed by a string in the next exp_element and then an
integer. The string is the selector string. The integer is the number
of arguments to the message call. That many plus one values are used,
the first one being the object pointer. This is an Objective C message */
- OP_MSGCALL,
+ OP_OBJC_MSGCALL,
/* This is EXACTLY like OP_FUNCALL but is semantically different.
In F77, array subscript expressions, substring expressions
UNOP_ODD,
UNOP_TRUNC,
- /* (OBSOLETE) Chill (OBSOLETE) builtin functions. */
+ /* (The deleted) Chill builtin functions. */
UNOP_LOWER, UNOP_UPPER, UNOP_LENGTH, UNOP_CARD, UNOP_CHMAX, UNOP_CHMIN,
OP_BOOL, /* Modula-2 builtin BOOLEAN type */
STRUCTOP_STRUCT,
STRUCTOP_PTR,
- /* C++:
- OP_THIS is just a placeholder for the class instance variable.
+ /* C++: OP_THIS is just a placeholder for the class instance variable.
It just comes in a tight (OP_THIS, OP_THIS) pair. */
OP_THIS,
- /* Objective C: "@selector" pseudo-operator */
- OP_SELECTOR,
+ /* Objective-C: OP_OBJC_SELF is just a placeholder for the class instance
+ variable. It just comes in a tight (OP_OBJC_SELF, OP_OBJC_SELF) pair. */
+ OP_OBJC_SELF,
- /* Objective C: OP_SELF is just a placeholder for the class instance
- variable. It just comes in a tight (OP_SELF, OP_SELF) pair. */
- OP_SELF,
+ /* Objective C: "@selector" pseudo-operator */
+ OP_OBJC_SELECTOR,
/* OP_SCOPE surrounds a type name and a field name. The type
name is encoded as one element, but the field name stays as
OP_SCOPE,
/* Used to represent named structure field values in brace
- initializers (or tuples as they are called in (OBSOLETE) Chill
- (OBSOLETE)).
+ initializers (or tuples as they are called in (the deleted)
+ Chill).
- The gcc C syntax is NAME:VALUE or .NAME=VALUE, the (OBSOLETE)
- Chill (OBSOLETE) syntax is .NAME:VALUE. Multiple labels (as in
- the (OBSOLETE) Chill (OBSOLETE) syntax .NAME1,.NAME2:VALUE) is
+ The gcc C syntax is NAME:VALUE or .NAME=VALUE, the (the
+ deleted) Chill syntax is .NAME:VALUE. Multiple labels (as in
+ the (the deleted) Chill syntax .NAME1,.NAME2:VALUE) is
represented as if it were .NAME1:(.NAME2:VALUE) (though that is
- not valid (OBSOLETE) Chill (OBSOLETE) syntax).
+ not valid (the deleted) Chill syntax).
The NAME is represented as for STRUCTOP_STRUCT; VALUE follows. */
OP_LABELED,
OP_EXPRSTRING,
/* An Objective C Foundation Class NSString constant */
- OP_NSSTRING
+ OP_OBJC_NSSTRING,
+
+ /* First extension operator. Individual language modules define
+ extra operators they need as constants with values
+ OP_LANGUAGE_SPECIFIC0 + k, for k >= 0, using a separate
+ enumerated type definition:
+ enum foo_extension_operator {
+ BINOP_MOGRIFY = OP_EXTENDED0,
+ BINOP_FROB,
+ ...
+ }; */
+ OP_EXTENDED0,
+
+ /* Last possible extension operator. Defined to provide an
+ explicit and finite number of extended operators. */
+ OP_EXTENDED_LAST = 0xff
+ /* NOTE: Eventually, we expect to convert to an object-oriented
+ formulation for expression operators that does away with the
+ need for these extension operators, and indeed for this
+ entire enumeration type. Therefore, consider the OP_EXTENDED
+ definitions to be a temporary measure. */
};
union exp_element
extern struct expression *parse_expression (char *);
+extern struct expression *parse_expression_in_context (char *, int);
+
extern struct expression *parse_exp_1 (char **, struct block *, int);
/* The innermost context required by the stack and register variables
/* From eval.c */
-/* Values of NOSIDE argument to evaluate_subexp. */
+/* Values of NOSIDE argument to eval_subexp. */
enum noside
{
extern char *op_string (enum exp_opcode);
-extern void dump_prefix_expression (struct expression *,
- struct ui_file *,
- char *);
-extern void dump_postfix_expression (struct expression *,
- struct ui_file *,
- char *);
+extern void dump_raw_expression (struct expression *, struct ui_file *, char *);
+extern void dump_prefix_expression (struct expression *, struct ui_file *);
#endif /* !defined (EXPRESSION_H) */
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