/* Standard language operator definitions for GDB, the GNU debugger.
- Copyright (C) 1986-2016 Free Software Foundation, Inc.
+ Copyright (C) 1986-2021 Free Software Foundation, Inc.
This file is part of GDB.
the second operand with itself that many times. */
OP (BINOP_CONCAT)
-/* This must be the highest BINOP_ value, for expprint.c. */
-OP (BINOP_END)
-
/* Operates on three values computed by following subexpressions. */
OP (TERNOP_COND) /* ?: */
Thus, the operation occupies four exp_elements. */
OP (OP_LONG)
-/* OP_DOUBLE is similar but takes a DOUBLEST constant instead of a
- long. */
-OP (OP_DOUBLE)
+/* OP_FLOAT is similar but takes a floating-point constant encoded in
+ the target format for the given type instead of a long. */
+OP (OP_FLOAT)
/* OP_VAR_VALUE takes one struct block * in the following element,
and one struct symbol * in the following exp_element, followed
/* OP_VAR_ENTRY_VALUE takes one struct symbol * in the following element,
followed by another OP_VAR_ENTRY_VALUE, making three exp_elements.
somename@entry may mean parameter value as present at the entry of the
- current function. Implemented via DW_OP_GNU_entry_value. */
+ current function. Implemented via DW_OP_entry_value. */
OP (OP_VAR_ENTRY_VALUE)
+/* OP_VAR_MSYM_VALUE takes one struct objfile * in the following
+ element, and one struct minimal_symbol * in the following
+ exp_element, followed by another OP_VAR_MSYM_VALUE, making four
+ exp_elements. */
+OP (OP_VAR_MSYM_VALUE)
+
/* OP_LAST is followed by an integer in the next exp_element.
The integer is zero for the last value printed,
or it is the absolute number of a history element.
pointer. This is an Objective C message. */
OP (OP_OBJC_MSGCALL)
-/* This is EXACTLY like OP_FUNCALL but is semantically different.
- In F77, array subscript expressions, substring expressions and
- function calls are all exactly the same syntactically. They
- may only be disambiguated at runtime. Thus this operator,
- which indicates that we have found something of the form
- <name> ( <stuff> ). */
-OP (OP_F77_UNDETERMINED_ARGLIST)
-
/* OP_COMPLEX takes a type in the following element, followed by another
OP_COMPLEX, making three exp_elements. It is followed by two double
args, and converts them into a complex number of the given type. */
following subexpression. */
OP (UNOP_MEMVAL)
-/* UNOP_MEMVAL_TLS is followed by a `struct objfile' pointer in the next
- exp_element and a type pointer in the following exp_element.
- With another UNOP_MEMVAL_TLS at the end, this makes four exp_elements.
- It casts the contents of the word offsetted by the value of the
- following subexpression from the TLS specified by `struct objfile'. */
-OP (UNOP_MEMVAL_TLS)
-
/* Like UNOP_MEMVAL, but the type is supplied as a subexpression. */
OP (UNOP_MEMVAL_TYPE)
OP (UNOP_PREDECREMENT) /* -- before an expression */
OP (UNOP_POSTDECREMENT) /* -- after an expression */
OP (UNOP_SIZEOF) /* Unary sizeof (followed by expression) */
+OP (UNOP_ALIGNOF) /* Unary alignof (followed by expression) */
OP (UNOP_PLUS) /* Unary plus */
-OP (UNOP_CAP) /* Modula-2 standard (unary) procedures */
-OP (UNOP_CHR)
-OP (UNOP_ORD)
OP (UNOP_ABS)
-OP (UNOP_FLOAT)
OP (UNOP_HIGH)
-OP (UNOP_MAX)
-OP (UNOP_MIN)
-OP (UNOP_ODD)
-OP (UNOP_TRUNC)
OP (OP_BOOL) /* Modula-2 builtin BOOLEAN type */
-OP (OP_M2_STRING) /* Modula-2 string constants */
/* STRUCTOP_... operate on a value from a following subexpression
by extracting a structure component specified by a string
a string, which, of course, is variable length. */
OP (OP_SCOPE)
+/* OP_FUNC_STATIC_VAR refers to a function local static variable. The
+ function is taken from the following subexpression. The length of
+ the variable name as a string follows the opcode, followed by
+ BYTES_TO_EXP_ELEM(length) elements containing the data of the
+ string, followed by the length again and the opcode again.
+
+ Note this is used by C++, but not C. The C parser handles local
+ static variables in the parser directly. Also, this is only used
+ in C++ if the function/method name is not quoted, like e.g.:
+
+ p S:method()::var
+ p S:method() const::var
+
+ If the function/method is quoted like instead:
+
+ p 'S:method() const'::var
+
+ then the C-specific handling directly in the parser takes over (see
+ block/variable productions).
+
+ Also, if the whole function+var is quoted like this:
+
+ p 'S:method() const::var'
+
+ then the whole quoted expression is interpreted as a single symbol
+ name and we don't use OP_FUNC_STATIC_VAR either. In that case, the
+ C++-specific symbol lookup routines take care of the
+ function-local-static search. */
+OP (OP_FUNC_STATIC_VAR)
+
/* OP_TYPE is for parsing types, and used with the "ptype" command
so we can look up types that are qualified by scope, either with
the GDB "::" operator, or the Modula-2 '.' operator. */
OP (OP_TYPE)
-/* An un-looked-up identifier. */
-OP (OP_NAME)
-
/* An Objective C Foundation Class NSString constant. */
OP (OP_OBJC_NSSTRING)
":exp" and ":"). */
OP (OP_RANGE)
-/* OP_DECFLOAT is followed by a type pointer in the next exp_element
- and a dec long constant value in the following exp_element.
- Then comes another OP_DECFLOAT. */
-OP (OP_DECFLOAT)
-
/* OP_ADL_FUNC specifies that the function is to be looked up in an
Argument Dependent manner (Koenig lookup). */
OP (OP_ADL_FUNC)
/* This is used for the Rust [expr; N] form of array construction. It
takes two expression arguments. */
OP (OP_RUST_ARRAY)
+
+/* ================ Ada operators ================ */
+
+/* X IN A'RANGE(N). N is an immediate operand, surrounded by
+ BINOP_IN_BOUNDS before and after. A is an array, X an index
+ value. Evaluates to true iff X is within range of the Nth
+ dimension (1-based) of A. (A multi-dimensional array
+ type is represented as array of array of ...) */
+OP (BINOP_IN_BOUNDS)
+
+/* X IN L .. U. True iff L <= X <= U. */
+OP (TERNOP_IN_RANGE)
+
+/* Ada attributes ('Foo). */
+OP (OP_ATR_FIRST)
+OP (OP_ATR_LAST)
+OP (OP_ATR_LENGTH)
+OP (OP_ATR_POS)
+OP (OP_ATR_SIZE)
+OP (OP_ATR_TAG)
+OP (OP_ATR_VAL)
+
+/* Ada type qualification. It is encoded as for UNOP_CAST, above,
+ and denotes the TYPE'(EXPR) construct. */
+OP (UNOP_QUAL)
+
+/* X IN TYPE. The `TYPE' argument is immediate, with
+ UNOP_IN_RANGE before and after it. True iff X is a member of
+ type TYPE (typically a subrange). */
+OP (UNOP_IN_RANGE)
+
+/* An aggregate. A single immediate operand, N>0, gives
+ the number of component specifications that follow. The
+ immediate operand is followed by a second OP_AGGREGATE.
+ Next come N component specifications. A component
+ specification is either an OP_OTHERS (others=>...), an
+ OP_CHOICES (for named associations), or other expression (for
+ positional aggregates only). Aggregates currently
+ occur only as the right sides of assignments. */
+OP (OP_AGGREGATE)
+
+/* ================ Fortran operators ================ */
+
+/* This is EXACTLY like OP_FUNCALL but is semantically different.
+ In F77, array subscript expressions, substring expressions and
+ function calls are all exactly the same syntactically. They
+ may only be disambiguated at runtime. Thus this operator,
+ which indicates that we have found something of the form
+ <name> ( <stuff> ). */
+OP (OP_F77_UNDETERMINED_ARGLIST)
+
+/* Single operand builtins. */
+OP (UNOP_FORTRAN_KIND)
+OP (UNOP_FORTRAN_FLOOR)
+OP (UNOP_FORTRAN_CEILING)
+OP (UNOP_FORTRAN_ALLOCATED)
+OP (UNOP_FORTRAN_RANK)
+OP (UNOP_FORTRAN_SHAPE)
+OP (UNOP_FORTRAN_LOC)
+
+/* Two operand builtins. */
+OP (BINOP_FORTRAN_CMPLX)
+OP (BINOP_FORTRAN_MODULO)
+
+/* Builtins that take one or two operands. */
+OP (FORTRAN_LBOUND)
+OP (FORTRAN_UBOUND)
+OP (FORTRAN_ASSOCIATED)
+OP (FORTRAN_ARRAY_SIZE)
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