/* Print in infix form a struct expression.
- Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1986-2020 Free Software Foundation, Inc.
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
+ 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,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
#include "value.h"
#include "language.h"
#include "parser-defs.h"
-#include "frame.h" /* For frame_map_regnum_to_name. */
+#include "user-regs.h" /* For user_reg_map_regnum_to_name. */
#include "target.h"
-#include "gdb_string.h"
#include "block.h"
+#include "objfiles.h"
+#include "valprint.h"
+#include "cli/cli-style.h"
-#ifdef HAVE_CTYPE_H
#include <ctype.h>
-#endif
-
-/* Prototypes for local functions */
-
-static void print_subexp (struct expression *, int *, struct ui_file *,
- enum precedence);
void
print_expression (struct expression *exp, struct ui_file *stream)
{
int pc = 0;
+
print_subexp (exp, &pc, stream, PREC_NULL);
}
if the precedence of the main operator of this subexpression is less,
parentheses are needed here. */
-static void
-print_subexp (register struct expression *exp, register int *pos,
+void
+print_subexp (struct expression *exp, int *pos,
struct ui_file *stream, enum precedence prec)
{
- register unsigned tem;
- register const struct op_print *op_print_tab;
- register int pc;
+ exp->language_defn->la_exp_desc->print_subexp (exp, pos, stream, prec);
+}
+
+/* Standard implementation of print_subexp for use in language_defn
+ vectors. */
+void
+print_subexp_standard (struct expression *exp, int *pos,
+ struct ui_file *stream, enum precedence prec)
+{
+ unsigned tem;
+ const struct op_print *op_print_tab;
+ int pc;
unsigned nargs;
- register char *op_str;
+ const char *op_str;
int assign_modify = 0;
enum exp_opcode opcode;
enum precedence myprec = PREC_NULL;
{
/* Common ops */
+ case OP_TYPE:
+ (*pos) += 2;
+ type_print (exp->elts[pc + 1].type, "", stream, 0);
+ return;
+
case OP_SCOPE:
myprec = PREC_PREFIX;
assoc = 0;
- fputs_filtered (type_name_no_tag (exp->elts[pc + 1].type), stream);
+ fputs_filtered (exp->elts[pc + 1].type->name (), stream);
fputs_filtered ("::", stream);
nargs = longest_to_int (exp->elts[pc + 2].longconst);
(*pos) += 4 + BYTES_TO_EXP_ELEM (nargs + 1);
return;
case OP_LONG:
- (*pos) += 3;
- value_print (value_from_longest (exp->elts[pc + 1].type,
- exp->elts[pc + 2].longconst),
- stream, 0, Val_no_prettyprint);
+ {
+ struct value_print_options opts;
+
+ get_no_prettyformat_print_options (&opts);
+ (*pos) += 3;
+ value_print (value_from_longest (exp->elts[pc + 1].type,
+ exp->elts[pc + 2].longconst),
+ stream, &opts);
+ }
return;
- case OP_DOUBLE:
- (*pos) += 3;
- value_print (value_from_double (exp->elts[pc + 1].type,
- exp->elts[pc + 2].doubleconst),
- stream, 0, Val_no_prettyprint);
+ case OP_FLOAT:
+ {
+ struct value_print_options opts;
+
+ get_no_prettyformat_print_options (&opts);
+ (*pos) += 3;
+ value_print (value_from_contents (exp->elts[pc + 1].type,
+ exp->elts[pc + 2].floatconst),
+ stream, &opts);
+ }
return;
case OP_VAR_VALUE:
{
- struct block *b;
+ const struct block *b;
+
(*pos) += 3;
b = exp->elts[pc + 1].block;
if (b != NULL
&& BLOCK_FUNCTION (b) != NULL
- && SYMBOL_SOURCE_NAME (BLOCK_FUNCTION (b)) != NULL)
+ && BLOCK_FUNCTION (b)->print_name () != NULL)
{
- fputs_filtered (SYMBOL_SOURCE_NAME (BLOCK_FUNCTION (b)), stream);
+ fputs_filtered (BLOCK_FUNCTION (b)->print_name (), stream);
fputs_filtered ("::", stream);
}
- fputs_filtered (SYMBOL_SOURCE_NAME (exp->elts[pc + 2].symbol), stream);
+ fputs_filtered (exp->elts[pc + 2].symbol->print_name (), stream);
+ }
+ return;
+
+ case OP_VAR_MSYM_VALUE:
+ {
+ (*pos) += 3;
+ fputs_filtered (exp->elts[pc + 2].msymbol->print_name (), stream);
+ }
+ return;
+
+ case OP_FUNC_STATIC_VAR:
+ {
+ tem = longest_to_int (exp->elts[pc + 1].longconst);
+ (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
+ fputs_filtered (&exp->elts[pc + 1].string, stream);
+ }
+ return;
+
+ case OP_VAR_ENTRY_VALUE:
+ {
+ (*pos) += 2;
+ fprintf_filtered (stream, "%s@entry",
+ exp->elts[pc + 1].symbol->print_name ());
}
return;
case OP_REGISTER:
{
- int regnum = longest_to_int (exp->elts[pc + 1].longconst);
- (*pos) += 2;
- fprintf_filtered (stream, "$%s", frame_map_regnum_to_name (regnum));
+ const char *name = &exp->elts[pc + 2].string;
+
+ (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1);
+ fprintf_filtered (stream, "$%s", name);
return;
}
return;
case OP_FUNCALL:
+ case OP_F77_UNDETERMINED_ARGLIST:
(*pos) += 2;
nargs = longest_to_int (exp->elts[pc + 1].longconst);
print_subexp (exp, pos, stream, PREC_SUFFIX);
return;
case OP_NAME:
- case OP_EXPRSTRING:
nargs = longest_to_int (exp->elts[pc + 1].longconst);
(*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
fputs_filtered (&exp->elts[pc + 2].string, stream);
return;
case OP_STRING:
- nargs = longest_to_int (exp->elts[pc + 1].longconst);
- (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
- /* LA_PRINT_STRING will print using the current repeat count threshold.
- If necessary, we can temporarily set it to zero, or pass it as an
- additional parameter to LA_PRINT_STRING. -fnf */
- LA_PRINT_STRING (stream, &exp->elts[pc + 2].string, nargs, 1, 0);
- return;
-
- case OP_BITSTRING:
- nargs = longest_to_int (exp->elts[pc + 1].longconst);
- (*pos)
- += 3 + BYTES_TO_EXP_ELEM ((nargs + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT);
- fprintf_unfiltered (stream, "B'<unimplemented>'");
+ {
+ struct value_print_options opts;
+
+ nargs = longest_to_int (exp->elts[pc + 1].longconst);
+ (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
+ /* LA_PRINT_STRING will print using the current repeat count threshold.
+ If necessary, we can temporarily set it to zero, or pass it as an
+ additional parameter to LA_PRINT_STRING. -fnf */
+ get_user_print_options (&opts);
+ LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
+ (gdb_byte *) &exp->elts[pc + 2].string, nargs,
+ NULL, 0, &opts);
+ }
return;
- case OP_OBJC_NSSTRING: /* Objective-C Foundation Class NSString constant. */
- nargs = longest_to_int (exp->elts[pc + 1].longconst);
- (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
- fputs_filtered ("@\"", stream);
- LA_PRINT_STRING (stream, &exp->elts[pc + 2].string, nargs, 1, 0);
- fputs_filtered ("\"", stream);
+ case OP_OBJC_NSSTRING: /* Objective-C Foundation Class
+ NSString constant. */
+ {
+ struct value_print_options opts;
+
+ nargs = longest_to_int (exp->elts[pc + 1].longconst);
+ (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
+ fputs_filtered ("@\"", stream);
+ get_user_print_options (&opts);
+ LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
+ (gdb_byte *) &exp->elts[pc + 2].string, nargs,
+ NULL, 0, &opts);
+ fputs_filtered ("\"", stream);
+ }
return;
case OP_OBJC_MSGCALL:
{ /* Objective C message (method) call. */
- char *selector;
+ gdb::unique_xmalloc_ptr<char> selector;
+
(*pos) += 3;
nargs = longest_to_int (exp->elts[pc + 2].longconst);
fprintf_unfiltered (stream, "[");
if (0 == target_read_string (exp->elts[pc + 1].longconst,
&selector, 1024, NULL))
{
- error ("bad selector");
+ error (_("bad selector"));
return;
}
if (nargs)
{
char *s, *nextS;
- s = alloca (strlen (selector) + 1);
- strcpy (s, selector);
+
+ s = selector.get ();
for (tem = 0; tem < nargs; tem++)
{
nextS = strchr (s, ':');
+ gdb_assert (nextS); /* Make sure we found ':'. */
*nextS = '\0';
fprintf_unfiltered (stream, " %s: ", s);
s = nextS + 1;
}
else
{
- fprintf_unfiltered (stream, " %s", selector);
+ fprintf_unfiltered (stream, " %s", selector.get ());
}
fprintf_unfiltered (stream, "]");
- /* "selector" was malloc'd by target_read_string. Free it. */
- xfree (selector);
return;
}
nargs++;
tem = 0;
if (exp->elts[pc + 4].opcode == OP_LONG
- && exp->elts[pc + 5].type == builtin_type_char
+ && exp->elts[pc + 5].type
+ == builtin_type (exp->gdbarch)->builtin_char
&& exp->language_defn->la_language == language_c)
{
/* Attempt to print C character arrays using string syntax.
does not match our expection of what we should find for
a simple string, revert back to array printing. Note that
the last expression element is an explicit null terminator
- byte, which doesn't get printed. */
- tempstr = alloca (nargs);
+ byte, which doesn't get printed. */
+ tempstr = (char *) alloca (nargs);
pc += 4;
while (tem < nargs)
{
if (exp->elts[pc].opcode != OP_LONG
- || exp->elts[pc + 1].type != builtin_type_char)
+ || exp->elts[pc + 1].type
+ != builtin_type (exp->gdbarch)->builtin_char)
{
- /* Not a simple array of char, use regular array printing. */
+ /* Not a simple array of char, use regular array
+ printing. */
tem = 0;
break;
}
}
if (tem > 0)
{
- LA_PRINT_STRING (stream, tempstr, nargs - 1, 1, 0);
+ struct value_print_options opts;
+
+ get_user_print_options (&opts);
+ LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
+ (gdb_byte *) tempstr, nargs - 1, NULL, 0, &opts);
(*pos) = pc;
}
else
}
return;
- case OP_LABELED:
- tem = longest_to_int (exp->elts[pc + 1].longconst);
- (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
- /* Gcc support both these syntaxes. Unsure which is preferred. */
-#if 1
- fputs_filtered (&exp->elts[pc + 2].string, stream);
- fputs_filtered (": ", stream);
-#else
- fputs_filtered (".", stream);
- fputs_filtered (&exp->elts[pc + 2].string, stream);
- fputs_filtered ("=", stream);
-#endif
- print_subexp (exp, pos, stream, PREC_SUFFIX);
- return;
-
case TERNOP_COND:
if ((int) prec > (int) PREC_COMMA)
fputs_filtered ("(", stream);
return;
case TERNOP_SLICE:
- case TERNOP_SLICE_COUNT:
print_subexp (exp, pos, stream, PREC_SUFFIX);
fputs_filtered ("(", stream);
print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
fputs_filtered (&exp->elts[pc + 2].string, stream);
return;
- /* Will not occur for Modula-2 */
+ /* Will not occur for Modula-2. */
case STRUCTOP_PTR:
tem = longest_to_int (exp->elts[pc + 1].longconst);
(*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
fputs_filtered (&exp->elts[pc + 2].string, stream);
return;
+ case STRUCTOP_MEMBER:
+ print_subexp (exp, pos, stream, PREC_SUFFIX);
+ fputs_filtered (".*", stream);
+ print_subexp (exp, pos, stream, PREC_SUFFIX);
+ return;
+
+ case STRUCTOP_MPTR:
+ print_subexp (exp, pos, stream, PREC_SUFFIX);
+ fputs_filtered ("->*", stream);
+ print_subexp (exp, pos, stream, PREC_SUFFIX);
+ return;
+
case BINOP_SUBSCRIPT:
print_subexp (exp, pos, stream, PREC_SUFFIX);
fputs_filtered ("[", stream);
fputs_filtered (")", stream);
return;
+ case UNOP_CAST_TYPE:
+ if ((int) prec > (int) PREC_PREFIX)
+ fputs_filtered ("(", stream);
+ fputs_filtered ("(", stream);
+ print_subexp (exp, pos, stream, PREC_PREFIX);
+ fputs_filtered (") ", stream);
+ print_subexp (exp, pos, stream, PREC_PREFIX);
+ if ((int) prec > (int) PREC_PREFIX)
+ fputs_filtered (")", stream);
+ return;
+
+ case UNOP_DYNAMIC_CAST:
+ case UNOP_REINTERPRET_CAST:
+ fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast"
+ : "reinterpret_cast", stream);
+ fputs_filtered ("<", stream);
+ print_subexp (exp, pos, stream, PREC_PREFIX);
+ fputs_filtered ("> (", stream);
+ print_subexp (exp, pos, stream, PREC_PREFIX);
+ fputs_filtered (")", stream);
+ return;
+
case UNOP_MEMVAL:
(*pos) += 2;
if ((int) prec > (int) PREC_PREFIX)
fputs_filtered ("(", stream);
- if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC &&
- exp->elts[pc + 3].opcode == OP_LONG)
+ if (exp->elts[pc + 1].type->code () == TYPE_CODE_FUNC
+ && exp->elts[pc + 3].opcode == OP_LONG)
{
+ struct value_print_options opts;
+
/* We have a minimal symbol fn, probably. It's encoded
as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
Swallow the OP_LONG (including both its opcodes); ignore
its type; print the value in the type of the MEMVAL. */
(*pos) += 4;
val = value_at_lazy (exp->elts[pc + 1].type,
- (CORE_ADDR) exp->elts[pc + 5].longconst,
- NULL);
- value_print (val, stream, 0, Val_no_prettyprint);
+ (CORE_ADDR) exp->elts[pc + 5].longconst);
+ get_no_prettyformat_print_options (&opts);
+ value_print (val, stream, &opts);
}
else
{
fputs_filtered (")", stream);
return;
+ case UNOP_MEMVAL_TYPE:
+ if ((int) prec > (int) PREC_PREFIX)
+ fputs_filtered ("(", stream);
+ fputs_filtered ("{", stream);
+ print_subexp (exp, pos, stream, PREC_PREFIX);
+ fputs_filtered ("} ", stream);
+ print_subexp (exp, pos, stream, PREC_PREFIX);
+ if ((int) prec > (int) PREC_PREFIX)
+ fputs_filtered (")", stream);
+ return;
+
case BINOP_ASSIGN_MODIFY:
opcode = exp->elts[pc + 1].opcode;
(*pos) += 2;
if (op_print_tab[tem].opcode != opcode)
/* Not found; don't try to keep going because we don't know how
to interpret further elements. */
- error ("Invalid expression");
+ error (_("Invalid expression"));
break;
/* C++ ops */
case OP_THIS:
++(*pos);
- fputs_filtered ("this", stream);
- return;
-
- /* Objective-C ops */
-
- case OP_OBJC_SELF:
- ++(*pos);
- fputs_filtered ("self", stream); /* The ObjC equivalent of "this". */
+ if (exp->language_defn->la_name_of_this)
+ fputs_filtered (exp->language_defn->la_name_of_this, stream);
+ else
+ fprintf_styled (stream, metadata_style.style (),
+ _("<language %s has no 'this'>"),
+ exp->language_defn->la_name);
return;
/* Modula-2 ops */
fprintf_unfiltered (stream, ")");
return;
- case BINOP_INCL:
- case BINOP_EXCL:
- error ("print_subexp: Not implemented.");
+ case TYPE_INSTANCE:
+ {
+ type_instance_flags flags
+ = (type_instance_flag_value) longest_to_int (exp->elts[pc + 1].longconst);
+ LONGEST count = exp->elts[pc + 2].longconst;
+
+ /* The FLAGS. */
+ (*pos)++;
+ /* The COUNT. */
+ (*pos)++;
+ fputs_unfiltered ("TypeInstance(", stream);
+ while (count-- > 0)
+ {
+ type_print (exp->elts[(*pos)++].type, "", stream, 0);
+ if (count > 0)
+ fputs_unfiltered (",", stream);
+ }
+ fputs_unfiltered (",", stream);
+ /* Ending COUNT and ending TYPE_INSTANCE. */
+ (*pos) += 2;
+ print_subexp (exp, pos, stream, PREC_PREFIX);
+
+ if (flags & TYPE_INSTANCE_FLAG_CONST)
+ fputs_unfiltered (",const", stream);
+ if (flags & TYPE_INSTANCE_FLAG_VOLATILE)
+ fputs_unfiltered (",volatile", stream);
+
+ fputs_unfiltered (")", stream);
+ return;
+ }
+
+ case OP_RANGE:
+ {
+ enum range_type range_type;
+
+ range_type = (enum range_type)
+ longest_to_int (exp->elts[pc + 1].longconst);
+ *pos += 2;
+
+ if (range_type == NONE_BOUND_DEFAULT_EXCLUSIVE
+ || range_type == LOW_BOUND_DEFAULT_EXCLUSIVE)
+ fputs_filtered ("EXCLUSIVE_", stream);
+ fputs_filtered ("RANGE(", stream);
+ if (range_type == HIGH_BOUND_DEFAULT
+ || range_type == NONE_BOUND_DEFAULT
+ || range_type == NONE_BOUND_DEFAULT_EXCLUSIVE)
+ print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
+ fputs_filtered ("..", stream);
+ if (range_type == LOW_BOUND_DEFAULT
+ || range_type == NONE_BOUND_DEFAULT)
+ print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
+ fputs_filtered (")", stream);
+ return;
+ }
/* Default ops */
/* Not found; don't try to keep going because we don't know how
to interpret further elements. For example, this happens
if opcode is OP_TYPE. */
- error ("Invalid expression");
+ error (_("Invalid expression"));
}
- /* Note that PREC_BUILTIN will always emit parentheses. */
+ /* Note that PREC_BUILTIN will always emit parentheses. */
if ((int) myprec < (int) prec)
fputs_filtered ("(", stream);
if ((int) opcode > (int) BINOP_END)
/* Return the operator corresponding to opcode OP as
a string. NULL indicates that the opcode was not found in the
current language table. */
-char *
+const char *
op_string (enum exp_opcode op)
{
int tem;
- register const struct op_print *op_print_tab;
+ const struct op_print *op_print_tab;
op_print_tab = current_language->la_op_print_tab;
for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
/* Support for dumping the raw data from expressions in a human readable
form. */
-static char *op_name (int opcode);
+static int dump_subexp_body (struct expression *exp, struct ui_file *, int);
+
+/* Name for OPCODE, when it appears in expression EXP. */
-static char *
-op_name (int opcode)
+const char *
+op_name (struct expression *exp, enum exp_opcode opcode)
+{
+ if (opcode >= OP_UNUSED_LAST)
+ {
+ char *cell = get_print_cell ();
+ xsnprintf (cell, PRINT_CELL_SIZE, "unknown opcode: %u",
+ unsigned (opcode));
+ return cell;
+ }
+ return exp->language_defn->la_exp_desc->op_name (opcode);
+}
+
+/* Default name for the standard operator OPCODE (i.e., one defined in
+ the definition of enum exp_opcode). */
+
+const char *
+op_name_standard (enum exp_opcode opcode)
{
switch (opcode)
{
{
static char buf[30];
- sprintf (buf, "<unknown %d>", opcode);
+ xsnprintf (buf, sizeof (buf), "<unknown %d>", opcode);
return buf;
}
- case OP_NULL:
- return "OP_NULL";
- case BINOP_ADD:
- return "BINOP_ADD";
- case BINOP_SUB:
- return "BINOP_SUB";
- case BINOP_MUL:
- return "BINOP_MUL";
- case BINOP_DIV:
- return "BINOP_DIV";
- case BINOP_REM:
- return "BINOP_REM";
- case BINOP_MOD:
- return "BINOP_MOD";
- case BINOP_LSH:
- return "BINOP_LSH";
- case BINOP_RSH:
- return "BINOP_RSH";
- case BINOP_LOGICAL_AND:
- return "BINOP_LOGICAL_AND";
- case BINOP_LOGICAL_OR:
- return "BINOP_LOGICAL_OR";
- case BINOP_BITWISE_AND:
- return "BINOP_BITWISE_AND";
- case BINOP_BITWISE_IOR:
- return "BINOP_BITWISE_IOR";
- case BINOP_BITWISE_XOR:
- return "BINOP_BITWISE_XOR";
- case BINOP_EQUAL:
- return "BINOP_EQUAL";
- case BINOP_NOTEQUAL:
- return "BINOP_NOTEQUAL";
- case BINOP_LESS:
- return "BINOP_LESS";
- case BINOP_GTR:
- return "BINOP_GTR";
- case BINOP_LEQ:
- return "BINOP_LEQ";
- case BINOP_GEQ:
- return "BINOP_GEQ";
- case BINOP_REPEAT:
- return "BINOP_REPEAT";
- case BINOP_ASSIGN:
- return "BINOP_ASSIGN";
- case BINOP_COMMA:
- return "BINOP_COMMA";
- case BINOP_SUBSCRIPT:
- return "BINOP_SUBSCRIPT";
- case MULTI_SUBSCRIPT:
- return "MULTI_SUBSCRIPT";
- case BINOP_EXP:
- return "BINOP_EXP";
- case BINOP_MIN:
- return "BINOP_MIN";
- case BINOP_MAX:
- return "BINOP_MAX";
- case STRUCTOP_MEMBER:
- return "STRUCTOP_MEMBER";
- case STRUCTOP_MPTR:
- return "STRUCTOP_MPTR";
- case BINOP_INTDIV:
- return "BINOP_INTDIV";
- case BINOP_ASSIGN_MODIFY:
- return "BINOP_ASSIGN_MODIFY";
- case BINOP_VAL:
- return "BINOP_VAL";
- case BINOP_INCL:
- return "BINOP_INCL";
- case BINOP_EXCL:
- return "BINOP_EXCL";
- case BINOP_CONCAT:
- return "BINOP_CONCAT";
- case BINOP_RANGE:
- return "BINOP_RANGE";
- case BINOP_END:
- return "BINOP_END";
- case TERNOP_COND:
- return "TERNOP_COND";
- case TERNOP_SLICE:
- return "TERNOP_SLICE";
- case TERNOP_SLICE_COUNT:
- return "TERNOP_SLICE_COUNT";
- case OP_LONG:
- return "OP_LONG";
- case OP_DOUBLE:
- return "OP_DOUBLE";
- case OP_VAR_VALUE:
- return "OP_VAR_VALUE";
- case OP_LAST:
- return "OP_LAST";
- case OP_REGISTER:
- return "OP_REGISTER";
- case OP_INTERNALVAR:
- return "OP_INTERNALVAR";
- case OP_FUNCALL:
- return "OP_FUNCALL";
- case OP_STRING:
- return "OP_STRING";
- case OP_BITSTRING:
- return "OP_BITSTRING";
- case OP_ARRAY:
- return "OP_ARRAY";
- case UNOP_CAST:
- return "UNOP_CAST";
- case UNOP_MEMVAL:
- return "UNOP_MEMVAL";
- case UNOP_NEG:
- return "UNOP_NEG";
- case UNOP_LOGICAL_NOT:
- return "UNOP_LOGICAL_NOT";
- case UNOP_COMPLEMENT:
- return "UNOP_COMPLEMENT";
- case UNOP_IND:
- return "UNOP_IND";
- case UNOP_ADDR:
- return "UNOP_ADDR";
- case UNOP_PREINCREMENT:
- return "UNOP_PREINCREMENT";
- case UNOP_POSTINCREMENT:
- return "UNOP_POSTINCREMENT";
- case UNOP_PREDECREMENT:
- return "UNOP_PREDECREMENT";
- case UNOP_POSTDECREMENT:
- return "UNOP_POSTDECREMENT";
- case UNOP_SIZEOF:
- return "UNOP_SIZEOF";
- case UNOP_LOWER:
- return "UNOP_LOWER";
- case UNOP_UPPER:
- return "UNOP_UPPER";
- case UNOP_LENGTH:
- return "UNOP_LENGTH";
- case UNOP_PLUS:
- return "UNOP_PLUS";
- case UNOP_CAP:
- return "UNOP_CAP";
- case UNOP_CHR:
- return "UNOP_CHR";
- case UNOP_ORD:
- return "UNOP_ORD";
- case UNOP_ABS:
- return "UNOP_ABS";
- case UNOP_FLOAT:
- return "UNOP_FLOAT";
- case UNOP_HIGH:
- return "UNOP_HIGH";
- case UNOP_MAX:
- return "UNOP_MAX";
- case UNOP_MIN:
- return "UNOP_MIN";
- case UNOP_ODD:
- return "UNOP_ODD";
- case UNOP_TRUNC:
- return "UNOP_TRUNC";
- case OP_BOOL:
- return "OP_BOOL";
- case OP_M2_STRING:
- return "OP_M2_STRING";
- case STRUCTOP_STRUCT:
- return "STRUCTOP_STRUCT";
- case STRUCTOP_PTR:
- return "STRUCTOP_PTR";
- case OP_THIS:
- return "OP_THIS";
- case OP_OBJC_SELF:
- return "OP_OBJC_SELF";
- case OP_SCOPE:
- return "OP_SCOPE";
- case OP_TYPE:
- return "OP_TYPE";
- case OP_LABELED:
- return "OP_LABELED";
+#define OP(name) \
+ case name: \
+ return #name ;
+#include "std-operator.def"
+#undef OP
}
}
+/* Print a raw dump of expression EXP to STREAM.
+ NOTE, if non-NULL, is printed as extra explanatory text. */
+
void
-dump_prefix_expression (struct expression *exp, struct ui_file *stream,
- char *note)
+dump_raw_expression (struct expression *exp, struct ui_file *stream,
+ const char *note)
{
int elt;
- char *opcode_name;
char *eltscan;
int eltsize;
fprintf_filtered (stream, "Dump of expression @ ");
gdb_print_host_address (exp, stream);
- fprintf_filtered (stream, ", %s:\nExpression: `", note);
- if (exp->elts[0].opcode != OP_TYPE)
- print_expression (exp, stream);
- else
- fprintf_filtered (stream, "Type printing not yet supported....");
- fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
+ if (note)
+ fprintf_filtered (stream, ", %s:", note);
+ fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
exp->language_defn->la_name, exp->nelts,
(long) sizeof (union exp_element));
fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode",
for (elt = 0; elt < exp->nelts; elt++)
{
fprintf_filtered (stream, "\t%5d ", elt);
- opcode_name = op_name (exp->elts[elt].opcode);
+ const char *opcode_name = op_name (exp, exp->elts[elt].opcode);
fprintf_filtered (stream, "%20s ", opcode_name);
+
print_longest (stream, 'd', 0, exp->elts[elt].longconst);
fprintf_filtered (stream, " ");
}
}
-static int dump_subexp (struct expression *exp, struct ui_file *stream,
- int elt);
+/* Dump the subexpression of prefix expression EXP whose operator is at
+ position ELT onto STREAM. Returns the position of the next
+ subexpression in EXP. */
-static int
+int
dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
{
static int indent = 0;
fprintf_filtered (stream, " ");
indent += 2;
- fprintf_filtered (stream, "%-20s ", op_name (exp->elts[elt].opcode));
+ fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode));
+
+ elt = dump_subexp_body (exp, stream, elt);
+
+ indent -= 2;
+
+ return elt;
+}
+
+/* Dump the operands of prefix expression EXP whose opcode is at
+ position ELT onto STREAM. Returns the position of the next
+ subexpression in EXP. */
+
+static int
+dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt)
+{
+ return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt);
+}
+
+/* Default value for subexp_body in exp_descriptor vector. */
+
+int
+dump_subexp_body_standard (struct expression *exp,
+ struct ui_file *stream, int elt)
+{
+ int opcode = exp->elts[elt++].opcode;
- switch (exp->elts[elt++].opcode)
+ switch (opcode)
{
case TERNOP_COND:
case TERNOP_SLICE:
- case TERNOP_SLICE_COUNT:
elt = dump_subexp (exp, stream, elt);
+ /* FALL THROUGH */
case BINOP_ADD:
case BINOP_SUB:
case BINOP_MUL:
case BINOP_INTDIV:
case BINOP_ASSIGN_MODIFY:
case BINOP_VAL:
- case BINOP_INCL:
- case BINOP_EXCL:
case BINOP_CONCAT:
- case BINOP_IN:
- case BINOP_RANGE:
case BINOP_END:
+ case STRUCTOP_MEMBER:
+ case STRUCTOP_MPTR:
elt = dump_subexp (exp, stream, elt);
+ /* FALL THROUGH */
case UNOP_NEG:
case UNOP_LOGICAL_NOT:
case UNOP_COMPLEMENT:
case UNOP_PREDECREMENT:
case UNOP_POSTDECREMENT:
case UNOP_SIZEOF:
+ case UNOP_ALIGNOF:
case UNOP_PLUS:
case UNOP_CAP:
case UNOP_CHR:
case UNOP_MIN:
case UNOP_ODD:
case UNOP_TRUNC:
- case UNOP_LOWER:
- case UNOP_UPPER:
- case UNOP_LENGTH:
- case UNOP_CARD:
- case UNOP_CHMAX:
- case UNOP_CHMIN:
elt = dump_subexp (exp, stream, elt);
break;
case OP_LONG:
(long) exp->elts[elt + 1].longconst);
elt += 3;
break;
- case OP_DOUBLE:
+ case OP_FLOAT:
fprintf_filtered (stream, "Type @");
gdb_print_host_address (exp->elts[elt].type, stream);
fprintf_filtered (stream, " (");
type_print (exp->elts[elt].type, NULL, stream, 0);
- fprintf_filtered (stream, "), value %g",
- (double) exp->elts[elt + 1].doubleconst);
+ fprintf_filtered (stream, "), value ");
+ print_floating (exp->elts[elt + 1].floatconst,
+ exp->elts[elt].type, stream);
elt += 3;
break;
case OP_VAR_VALUE:
fprintf_filtered (stream, ", symbol @");
gdb_print_host_address (exp->elts[elt + 1].symbol, stream);
fprintf_filtered (stream, " (%s)",
- SYMBOL_NAME (exp->elts[elt + 1].symbol));
+ exp->elts[elt + 1].symbol->print_name ());
elt += 3;
break;
+ case OP_VAR_MSYM_VALUE:
+ fprintf_filtered (stream, "Objfile @");
+ gdb_print_host_address (exp->elts[elt].objfile, stream);
+ fprintf_filtered (stream, ", msymbol @");
+ gdb_print_host_address (exp->elts[elt + 1].msymbol, stream);
+ fprintf_filtered (stream, " (%s)",
+ exp->elts[elt + 1].msymbol->print_name ());
+ elt += 3;
+ break;
+ case OP_VAR_ENTRY_VALUE:
+ fprintf_filtered (stream, "Entry value of symbol @");
+ gdb_print_host_address (exp->elts[elt].symbol, stream);
+ fprintf_filtered (stream, " (%s)",
+ exp->elts[elt].symbol->print_name ());
+ elt += 2;
+ break;
case OP_LAST:
fprintf_filtered (stream, "History element %ld",
(long) exp->elts[elt].longconst);
elt += 2;
break;
case OP_REGISTER:
- fprintf_filtered (stream, "Register %ld",
- (long) exp->elts[elt].longconst);
- elt += 2;
+ fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string);
+ elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1);
break;
case OP_INTERNALVAR:
fprintf_filtered (stream, "Internal var @");
gdb_print_host_address (exp->elts[elt].internalvar, stream);
fprintf_filtered (stream, " (%s)",
- exp->elts[elt].internalvar->name);
+ internalvar_name (exp->elts[elt].internalvar));
elt += 2;
break;
case OP_FUNCALL:
+ case OP_F77_UNDETERMINED_ARGLIST:
{
- int nargs;
+ int i, nargs;
nargs = longest_to_int (exp->elts[elt].longconst);
elt = dump_subexp (exp, stream, elt);
}
break;
+ case UNOP_DYNAMIC_CAST:
+ case UNOP_REINTERPRET_CAST:
+ case UNOP_CAST_TYPE:
+ case UNOP_MEMVAL_TYPE:
+ fprintf_filtered (stream, " (");
+ elt = dump_subexp (exp, stream, elt);
+ fprintf_filtered (stream, ")");
+ elt = dump_subexp (exp, stream, elt);
+ break;
case UNOP_MEMVAL:
case UNOP_CAST:
fprintf_filtered (stream, "Type @");
fprintf_filtered (stream, ")");
elt += 2;
break;
+ case OP_TYPEOF:
+ case OP_DECLTYPE:
+ fprintf_filtered (stream, "Typeof (");
+ elt = dump_subexp (exp, stream, elt);
+ fprintf_filtered (stream, ")");
+ break;
+ case OP_TYPEID:
+ fprintf_filtered (stream, "typeid (");
+ elt = dump_subexp (exp, stream, elt);
+ fprintf_filtered (stream, ")");
+ break;
case STRUCTOP_STRUCT:
case STRUCTOP_PTR:
{
elt += 4 + BYTES_TO_EXP_ELEM (len + 1);
}
break;
+
+ case OP_FUNC_STATIC_VAR:
+ {
+ int len = longest_to_int (exp->elts[elt].longconst);
+ const char *var_name = &exp->elts[elt + 1].string;
+ fprintf_filtered (stream, "Field name: `%.*s'", len, var_name);
+ elt += 3 + BYTES_TO_EXP_ELEM (len + 1);
+ }
+ break;
+
+ case TYPE_INSTANCE:
+ {
+ type_instance_flags flags
+ = (type_instance_flag_value) longest_to_int (exp->elts[elt++].longconst);
+ LONGEST len = exp->elts[elt++].longconst;
+ fprintf_filtered (stream, "%s TypeInstance: ", plongest (len));
+ while (len-- > 0)
+ {
+ fprintf_filtered (stream, "Type @");
+ gdb_print_host_address (exp->elts[elt].type, stream);
+ fprintf_filtered (stream, " (");
+ type_print (exp->elts[elt].type, NULL, stream, 0);
+ fprintf_filtered (stream, ")");
+ elt++;
+ if (len > 0)
+ fputs_filtered (", ", stream);
+ }
+
+ fprintf_filtered (stream, " Flags: %s (", hex_string (flags));
+ bool space = false;
+ auto print_one = [&] (const char *mod)
+ {
+ if (space)
+ fputs_filtered (" ", stream);
+ space = true;
+ fprintf_filtered (stream, "%s", mod);
+ };
+ if (flags & TYPE_INSTANCE_FLAG_CONST)
+ print_one ("const");
+ if (flags & TYPE_INSTANCE_FLAG_VOLATILE)
+ print_one ("volatile");
+ fprintf_filtered (stream, ")");
+
+ /* Ending LEN and ending TYPE_INSTANCE. */
+ elt += 2;
+ elt = dump_subexp (exp, stream, elt);
+ }
+ break;
+ case OP_STRING:
+ {
+ LONGEST len = exp->elts[elt].longconst;
+ LONGEST type = exp->elts[elt + 1].longconst;
+
+ fprintf_filtered (stream, "Language-specific string type: %s",
+ plongest (type));
+
+ /* Skip length. */
+ elt += 1;
+
+ /* Skip string content. */
+ elt += BYTES_TO_EXP_ELEM (len);
+
+ /* Skip length and ending OP_STRING. */
+ elt += 2;
+ }
+ break;
+ case OP_RANGE:
+ {
+ enum range_type range_type;
+
+ range_type = (enum range_type)
+ longest_to_int (exp->elts[elt].longconst);
+ elt += 2;
+
+ switch (range_type)
+ {
+ case BOTH_BOUND_DEFAULT:
+ fputs_filtered ("Range '..'", stream);
+ break;
+ case LOW_BOUND_DEFAULT:
+ fputs_filtered ("Range '..EXP'", stream);
+ break;
+ case LOW_BOUND_DEFAULT_EXCLUSIVE:
+ fputs_filtered ("ExclusiveRange '..EXP'", stream);
+ break;
+ case HIGH_BOUND_DEFAULT:
+ fputs_filtered ("Range 'EXP..'", stream);
+ break;
+ case NONE_BOUND_DEFAULT:
+ fputs_filtered ("Range 'EXP..EXP'", stream);
+ break;
+ case NONE_BOUND_DEFAULT_EXCLUSIVE:
+ fputs_filtered ("ExclusiveRange 'EXP..EXP'", stream);
+ break;
+ default:
+ fputs_filtered ("Invalid Range!", stream);
+ break;
+ }
+
+ if (range_type == HIGH_BOUND_DEFAULT
+ || range_type == NONE_BOUND_DEFAULT)
+ elt = dump_subexp (exp, stream, elt);
+ if (range_type == LOW_BOUND_DEFAULT
+ || range_type == NONE_BOUND_DEFAULT)
+ elt = dump_subexp (exp, stream, elt);
+ }
+ break;
+
default:
case OP_NULL:
- case STRUCTOP_MEMBER:
- case STRUCTOP_MPTR:
case MULTI_SUBSCRIPT:
- case OP_F77_UNDETERMINED_ARGLIST:
case OP_COMPLEX:
- case OP_STRING:
- case OP_BITSTRING:
case OP_BOOL:
case OP_M2_STRING:
case OP_THIS:
- case OP_LABELED:
case OP_NAME:
- case OP_EXPRSTRING:
fprintf_filtered (stream, "Unknown format");
}
- indent -= 2;
-
return elt;
}
void
-dump_postfix_expression (struct expression *exp, struct ui_file *stream,
- char *note)
+dump_prefix_expression (struct expression *exp, struct ui_file *stream)
{
int elt;
fprintf_filtered (stream, "Dump of expression @ ");
gdb_print_host_address (exp, stream);
- fprintf_filtered (stream, ", %s:\nExpression: `", note);
- if (exp->elts[0].opcode != OP_TYPE)
- print_expression (exp, stream);
- else
- fputs_filtered ("Type printing not yet supported....", stream);
+ fputs_filtered (", after conversion to prefix form:\nExpression: `", stream);
+ print_expression (exp, stream);
fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
exp->language_defn->la_name, exp->nelts,
(long) sizeof (union exp_element));
projects / deliverable / binutils-gdb.git / blobdiff