mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-12-11 06:04:12 +00:00
289 lines
8.8 KiB
C
289 lines
8.8 KiB
C
/* D language support routines for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 2005-2006, 2008-2012 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 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.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "defs.h"
|
|
#include "symtab.h"
|
|
#include "language.h"
|
|
#include "d-lang.h"
|
|
#include "c-lang.h"
|
|
#include "gdb_string.h"
|
|
#include "parser-defs.h"
|
|
#include "gdb_obstack.h"
|
|
|
|
#include <ctype.h>
|
|
|
|
/* Extract identifiers from MANGLED_STR and append it to TEMPBUF.
|
|
Return 1 on success or 0 on failure. */
|
|
static int
|
|
extract_identifiers (const char *mangled_str, struct obstack *tempbuf)
|
|
{
|
|
long i = 0;
|
|
|
|
while (isdigit (*mangled_str))
|
|
{
|
|
char *end_ptr;
|
|
|
|
i = strtol (mangled_str, &end_ptr, 10);
|
|
mangled_str = end_ptr;
|
|
if (i <= 0 || strlen (mangled_str) < i)
|
|
return 0;
|
|
obstack_grow (tempbuf, mangled_str, i);
|
|
mangled_str += i;
|
|
obstack_grow_str (tempbuf, ".");
|
|
}
|
|
if (*mangled_str == '\0' || i == 0)
|
|
return 0;
|
|
obstack_blank (tempbuf, -1);
|
|
return 1;
|
|
}
|
|
|
|
/* Extract and demangle type from MANGLED_STR and append it to TEMPBUF.
|
|
Return 1 on success or 0 on failure. */
|
|
static int
|
|
extract_type_info (const char *mangled_str, struct obstack *tempbuf)
|
|
{
|
|
if (*mangled_str == '\0')
|
|
return 0;
|
|
switch (*mangled_str++)
|
|
{
|
|
case 'A': /* dynamic array */
|
|
case 'G': /* static array */
|
|
case 'H': /* associative array */
|
|
if (!extract_type_info (mangled_str, tempbuf))
|
|
return 0;
|
|
obstack_grow_str (tempbuf, "[]");
|
|
return 1;
|
|
case 'P': /* pointer */
|
|
if (!extract_type_info (mangled_str, tempbuf))
|
|
return 0;
|
|
obstack_grow_str (tempbuf, "*");
|
|
return 1;
|
|
case 'R': /* reference */
|
|
if (!extract_type_info (mangled_str, tempbuf))
|
|
return 0;
|
|
obstack_grow_str (tempbuf, "&");
|
|
return 1;
|
|
case 'Z': /* return value */
|
|
return extract_type_info (mangled_str, tempbuf);
|
|
case 'J': /* out */
|
|
obstack_grow_str (tempbuf, "out ");
|
|
return extract_type_info (mangled_str, tempbuf);
|
|
case 'K': /* inout */
|
|
obstack_grow_str (tempbuf, "inout ");
|
|
return extract_type_info (mangled_str, tempbuf);
|
|
case 'E': /* enum */
|
|
case 'T': /* typedef */
|
|
case 'D': /* delegate */
|
|
case 'C': /* class */
|
|
case 'S': /* struct */
|
|
return extract_identifiers (mangled_str, tempbuf);
|
|
|
|
/* basic types: */
|
|
case 'n': obstack_grow_str (tempbuf, "none"); return 1;
|
|
case 'v': obstack_grow_str (tempbuf, "void"); return 1;
|
|
case 'g': obstack_grow_str (tempbuf, "byte"); return 1;
|
|
case 'h': obstack_grow_str (tempbuf, "ubyte"); return 1;
|
|
case 's': obstack_grow_str (tempbuf, "short"); return 1;
|
|
case 't': obstack_grow_str (tempbuf, "ushort"); return 1;
|
|
case 'i': obstack_grow_str (tempbuf, "int"); return 1;
|
|
case 'k': obstack_grow_str (tempbuf, "uint"); return 1;
|
|
case 'l': obstack_grow_str (tempbuf, "long"); return 1;
|
|
case 'm': obstack_grow_str (tempbuf, "ulong"); return 1;
|
|
case 'f': obstack_grow_str (tempbuf, "float"); return 1;
|
|
case 'd': obstack_grow_str (tempbuf, "double"); return 1;
|
|
case 'e': obstack_grow_str (tempbuf, "real"); return 1;
|
|
|
|
/* imaginary and complex: */
|
|
case 'o': obstack_grow_str (tempbuf, "ifloat"); return 1;
|
|
case 'p': obstack_grow_str (tempbuf, "idouble"); return 1;
|
|
case 'j': obstack_grow_str (tempbuf, "ireal"); return 1;
|
|
case 'q': obstack_grow_str (tempbuf, "cfloat"); return 1;
|
|
case 'r': obstack_grow_str (tempbuf, "cdouble"); return 1;
|
|
case 'c': obstack_grow_str (tempbuf, "creal"); return 1;
|
|
|
|
/* other types: */
|
|
case 'b': obstack_grow_str (tempbuf, "bit"); return 1;
|
|
case 'a': obstack_grow_str (tempbuf, "char"); return 1;
|
|
case 'u': obstack_grow_str (tempbuf, "wchar"); return 1;
|
|
case 'w': obstack_grow_str (tempbuf, "dchar"); return 1;
|
|
|
|
default:
|
|
obstack_grow_str (tempbuf, "unknown");
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
/* Implements the la_demangle language_defn routine for language D. */
|
|
char *
|
|
d_demangle (const char *symbol, int options)
|
|
{
|
|
struct obstack tempbuf;
|
|
char *out_str;
|
|
unsigned char is_func = 0;
|
|
|
|
if (symbol == NULL)
|
|
return NULL;
|
|
else if (strcmp (symbol, "_Dmain") == 0)
|
|
return xstrdup ("D main");
|
|
|
|
obstack_init (&tempbuf);
|
|
|
|
if (symbol[0] == '_' && symbol[1] == 'D')
|
|
{
|
|
symbol += 2;
|
|
is_func = 1;
|
|
}
|
|
else if (strncmp (symbol, "__Class_", 8) == 0)
|
|
symbol += 8;
|
|
else if (strncmp (symbol, "__init_", 7) == 0)
|
|
symbol += 7;
|
|
else if (strncmp (symbol, "__vtbl_", 7) == 0)
|
|
symbol += 7;
|
|
else if (strncmp (symbol, "__modctor_", 10) == 0)
|
|
symbol += 10;
|
|
else if (strncmp (symbol, "__moddtor_", 10) == 0)
|
|
symbol += 10;
|
|
else if (strncmp (symbol, "__ModuleInfo_", 13) == 0)
|
|
symbol += 13;
|
|
else
|
|
{
|
|
obstack_free (&tempbuf, NULL);
|
|
return NULL;
|
|
}
|
|
|
|
if (!extract_identifiers (symbol, &tempbuf))
|
|
{
|
|
obstack_free (&tempbuf, NULL);
|
|
return NULL;
|
|
}
|
|
|
|
obstack_grow_str (&tempbuf, "(");
|
|
if (is_func == 1 && *symbol == 'F')
|
|
{
|
|
symbol++;
|
|
while (*symbol != '\0' && *symbol != 'Z')
|
|
{
|
|
if (is_func == 1)
|
|
is_func++;
|
|
else
|
|
obstack_grow_str (&tempbuf, ", ");
|
|
if (!extract_type_info (symbol, &tempbuf))
|
|
{
|
|
obstack_free (&tempbuf, NULL);
|
|
return NULL;
|
|
}
|
|
}
|
|
}
|
|
obstack_grow_str0 (&tempbuf, ")");
|
|
|
|
/* Doesn't display the return type, but wouldn't be too hard to do. */
|
|
|
|
out_str = xstrdup (obstack_finish (&tempbuf));
|
|
obstack_free (&tempbuf, NULL);
|
|
return out_str;
|
|
}
|
|
|
|
/* Table mapping opcodes into strings for printing operators
|
|
and precedences of the operators. */
|
|
static const struct op_print d_op_print_tab[] =
|
|
{
|
|
{",", BINOP_COMMA, PREC_COMMA, 0},
|
|
{"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
|
|
{"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
|
|
{"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
|
|
{"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
|
|
{"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
|
|
{"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
|
|
{"==", BINOP_EQUAL, PREC_EQUAL, 0},
|
|
{"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0},
|
|
{"<=", BINOP_LEQ, PREC_ORDER, 0},
|
|
{">=", BINOP_GEQ, PREC_ORDER, 0},
|
|
{">", BINOP_GTR, PREC_ORDER, 0},
|
|
{"<", BINOP_LESS, PREC_ORDER, 0},
|
|
{">>", BINOP_RSH, PREC_SHIFT, 0},
|
|
{"<<", BINOP_LSH, PREC_SHIFT, 0},
|
|
{"+", BINOP_ADD, PREC_ADD, 0},
|
|
{"-", BINOP_SUB, PREC_ADD, 0},
|
|
{"*", BINOP_MUL, PREC_MUL, 0},
|
|
{"/", BINOP_DIV, PREC_MUL, 0},
|
|
{"%", BINOP_REM, PREC_MUL, 0},
|
|
{"@", BINOP_REPEAT, PREC_REPEAT, 0},
|
|
{"-", UNOP_NEG, PREC_PREFIX, 0},
|
|
{"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
|
|
{"~", UNOP_COMPLEMENT, PREC_PREFIX, 0},
|
|
{"*", UNOP_IND, PREC_PREFIX, 0},
|
|
{"&", UNOP_ADDR, PREC_PREFIX, 0},
|
|
{"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0},
|
|
{"++", UNOP_PREINCREMENT, PREC_PREFIX, 0},
|
|
{"--", UNOP_PREDECREMENT, PREC_PREFIX, 0},
|
|
{NULL, 0, 0, 0}
|
|
};
|
|
|
|
static const struct language_defn d_language_defn =
|
|
{
|
|
"d",
|
|
language_d,
|
|
range_check_off,
|
|
type_check_off,
|
|
case_sensitive_on,
|
|
array_row_major,
|
|
macro_expansion_c,
|
|
&exp_descriptor_c,
|
|
c_parse,
|
|
c_error,
|
|
null_post_parser,
|
|
c_printchar, /* Print a character constant. */
|
|
c_printstr, /* Function to print string constant. */
|
|
c_emit_char, /* Print a single char. */
|
|
c_print_type, /* Print a type using appropriate syntax. */
|
|
c_print_typedef, /* Print a typedef using appropriate
|
|
syntax. */
|
|
d_val_print, /* Print a value using appropriate syntax. */
|
|
c_value_print, /* Print a top-level value. */
|
|
default_read_var_value, /* la_read_var_value */
|
|
NULL, /* Language specific skip_trampoline. */
|
|
"this",
|
|
basic_lookup_symbol_nonlocal,
|
|
basic_lookup_transparent_type,
|
|
d_demangle, /* Language specific symbol demangler. */
|
|
NULL, /* Language specific
|
|
class_name_from_physname. */
|
|
d_op_print_tab, /* Expression operators for printing. */
|
|
1, /* C-style arrays. */
|
|
0, /* String lower bound. */
|
|
default_word_break_characters,
|
|
default_make_symbol_completion_list,
|
|
c_language_arch_info,
|
|
default_print_array_index,
|
|
default_pass_by_reference,
|
|
c_get_string,
|
|
NULL, /* la_get_symbol_name_cmp */
|
|
iterate_over_symbols,
|
|
LANG_MAGIC
|
|
};
|
|
|
|
/* Provide a prototype to silence -Wmissing-prototypes. */
|
|
extern initialize_file_ftype _initialize_d_language;
|
|
|
|
void
|
|
_initialize_d_language (void)
|
|
{
|
|
add_language (&d_language_defn);
|
|
}
|