--- /dev/null
+/*
+ * Demangle VC++ symbols into C function prototypes
+ *
+ * Copyright 2000 Jon Griffiths
+ * 2004 Eric Pouech
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "config.h"
+#include "wine/port.h"
+
+#include <assert.h>
+#include "msvcrt.h"
+
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
+
+/* TODO:
+ * - document a bit (grammar + fonctions)
+ * - back-port this new code into tools/winedump/msmangle.c
+ */
+
+#define UNDNAME_COMPLETE (0x0000)
+#define UNDNAME_NO_LEADING_UNDERSCORES (0x0001) /* Don't show __ in calling convention */
+#define UNDNAME_NO_MS_KEYWORDS (0x0002) /* Don't show calling convention at all */
+#define UNDNAME_NO_FUNCTION_RETURNS (0x0004) /* Don't show function/method return value */
+#define UNDNAME_NO_ALLOCATION_MODEL (0x0008)
+#define UNDNAME_NO_ALLOCATION_LANGUAGE (0x0010)
+#define UNDNAME_NO_MS_THISTYPE (0x0020)
+#define UNDNAME_NO_CV_THISTYPE (0x0040)
+#define UNDNAME_NO_THISTYPE (0x0060)
+#define UNDNAME_NO_ACCESS_SPECIFIERS (0x0080) /* Don't show access specifier (public/protected/private) */
+#define UNDNAME_NO_THROW_SIGNATURES (0x0100)
+#define UNDNAME_NO_MEMBER_TYPE (0x0200) /* Don't show static/virtual specifier */
+#define UNDNAME_NO_RETURN_UDT_MODEL (0x0400)
+#define UNDNAME_32_BIT_DECODE (0x0800)
+#define UNDNAME_NAME_ONLY (0x1000) /* Only report the variable/method name */
+#define UNDNAME_NO_ARGUMENTS (0x2000) /* Don't show method arguments */
+#define UNDNAME_NO_SPECIAL_SYMS (0x4000)
+#define UNDNAME_NO_COMPLEX_TYPE (0x8000)
+
+/* How data types modifiers are stored:
+ * M (in the following definitions) is defined for
+ * 'A', 'B', 'C' and 'D' as follows
+ * {<A>}: ""
+ * {<B>}: "const "
+ * {<C>}: "volatile "
+ * {<D>}: "const volatile "
+ *
+ * in arguments:
+ * P<M>x {<M>}x*
+ * Q<M>x {<M>}x* const
+ * A<M>x {<M>}x&
+ * in data fields:
+ * same as for arguments and also the following
+ * ?<M>x {<M>}x
+ *
+ */
+
+#define MAX_ARRAY_ELTS 32
+struct array
+{
+ unsigned start; /* first valid reference in array */
+ unsigned num; /* total number of used elts */
+ unsigned max;
+ char* elts[MAX_ARRAY_ELTS];
+};
+
+/* Structure holding a parsed symbol */
+struct parsed_symbol
+{
+ unsigned flags; /* the UNDNAME_ flags used for demangling */
+ malloc_func_t mem_alloc_ptr; /* internal allocator */
+ free_func_t mem_free_ptr; /* internal deallocator */
+
+ const char* current; /* pointer in input (mangled) string */
+ char* result; /* demangled string */
+
+ struct array stack; /* stack of parsed strings */
+
+ void* alloc_list; /* linked list of allocated blocks */
+ unsigned avail_in_first; /* number of available bytes in head block */
+};
+
+/* Type for parsing mangled types */
+struct datatype_t
+{
+ const char* left;
+ const char* right;
+};
+
+/******************************************************************
+ * und_alloc
+ *
+ * Internal allocator. Uses a simple linked list of large blocks
+ * where we use a poor-man allocator. It's fast, and since all
+ * allocation is pool, memory management is easy (esp. freeing).
+ */
+static void* und_alloc(struct parsed_symbol* sym, size_t len)
+{
+ void* ptr;
+
+#define BLOCK_SIZE 1024
+#define AVAIL_SIZE (1024 - sizeof(void*))
+
+ if (len > AVAIL_SIZE)
+ {
+ /* allocate a specific block */
+ ptr = sym->mem_alloc_ptr(sizeof(void*) + len);
+ if (!ptr) return NULL;
+ *(void**)ptr = sym->alloc_list;
+ sym->alloc_list = ptr;
+ sym->avail_in_first = 0;
+ ptr = (char*)sym->alloc_list + sizeof(void*);
+ }
+ else
+ {
+ if (len > sym->avail_in_first)
+ {
+ /* add a new block */
+ ptr = sym->mem_alloc_ptr(BLOCK_SIZE);
+ if (!ptr) return NULL;
+ *(void**)ptr = sym->alloc_list;
+ sym->alloc_list = ptr;
+ sym->avail_in_first = AVAIL_SIZE;
+ }
+ /* grab memory from head block */
+ ptr = (char*)sym->alloc_list + BLOCK_SIZE - sym->avail_in_first;
+ sym->avail_in_first -= len;
+ }
+ return ptr;
+#undef BLOCK_SIZE
+#undef AVAIL_SIZE
+}
+
+/******************************************************************
+ * und_free
+ * Frees all the blocks in the list of large blocks allocated by
+ * und_alloc.
+ */
+static void und_free_all(struct parsed_symbol* sym)
+{
+ void* next;
+
+ while (sym->alloc_list)
+ {
+ next = *(void**)sym->alloc_list;
+ sym->mem_free_ptr(sym->alloc_list);
+ sym->alloc_list = next;
+ }
+ sym->avail_in_first = 0;
+}
+
+/******************************************************************
+ * str_array_init
+ * Initialises an array of strings
+ */
+static void str_array_init(struct array* a)
+{
+ a->start = a->num = a->max = 0;
+}
+
+/******************************************************************
+ * str_array_push
+ * Adding a new string to an array
+ */
+static void str_array_push(struct parsed_symbol* sym, const char* ptr, size_t len,
+ struct array* a)
+{
+ assert(ptr);
+ assert(a);
+ assert(a->num < MAX_ARRAY_ELTS);
+ if (len == -1) len = strlen(ptr);
+ a->elts[a->num] = und_alloc(sym, len + 1);
+ assert(a->elts[a->num]);
+ memcpy(a->elts[a->num], ptr, len);
+ a->elts[a->num][len] = '\0';
+ if (++a->num >= a->max) a->max = a->num;
+ {
+ int i;
+ char c;
+
+ for (i = a->max - 1; i >= 0; i--)
+ {
+ c = '>';
+ if (i < a->start) c = '-';
+ else if (i >= a->num) c = '}';
+ TRACE("\t%d%c %s\n", i, c, a->elts[i]);
+ }
+ }
+}
+
+/******************************************************************
+ * str_array_get_ref
+ * Extracts a reference from an existing array (doing proper type
+ * checking)
+ */
+static char* str_array_get_ref(struct array* cref, unsigned idx)
+{
+ assert(cref);
+ if (cref->start + idx >= cref->max)
+ {
+ WARN("Out of bounds: %p %d + %d >= %d\n",
+ cref, cref->start, idx, cref->max);
+ return NULL;
+ }
+ TRACE("Returning %p[%d] => %s\n",
+ cref, idx, cref->elts[cref->start + idx]);
+ return cref->elts[cref->start + idx];
+}
+
+/******************************************************************
+ * str_printf
+ * Helper for printf type of command (only %s and %c are implemented)
+ * while dynamically allocating the buffer
+ */
+static char* str_printf(struct parsed_symbol* sym, const char* format, ...)
+{
+ va_list args;
+ size_t len = 1, i, sz;
+ char* tmp;
+ char* p;
+ char* t;
+
+ va_start(args, format);
+ for (i = 0; format[i]; i++)
+ {
+ if (format[i] == '%')
+ {
+ switch (format[++i])
+ {
+ case 's': t = va_arg(args, char*); if (t) len += strlen(t); break;
+ case 'c': (void)va_arg(args, int); len++; break;
+ default: i--; /* fall thru */
+ case '%': len++; break;
+ }
+ }
+ else len++;
+ }
+ va_end(args);
+ if (!(tmp = (char*)und_alloc(sym, len))) return NULL;
+ va_start(args, format);
+ for (p = tmp, i = 0; format[i]; i++)
+ {
+ if (format[i] == '%')
+ {
+ switch (format[++i])
+ {
+ case 's':
+ t = va_arg(args, char*);
+ if (t)
+ {
+ sz = strlen(t);
+ memcpy(p, t, sz);
+ p += sz;
+ }
+ break;
+ case 'c':
+ *p++ = (char)va_arg(args, int);
+ break;
+ default: i--; /* fall thru */
+ case '%': *p++ = '%'; break;
+ }
+ }
+ else *p++ = format[i];
+ }
+ va_end(args);
+ *p = '\0';
+ return tmp;
+}
+
+/* forward declaration */
+static BOOL demangle_datatype(struct parsed_symbol* sym, struct datatype_t* ct,
+ struct array* pmt, BOOL in_args);
+
+/******************************************************************
+ * get_args
+ * Parses a list of function/method arguments, creates a string corresponding
+ * to the arguments' list.
+ */
+static char* get_args(struct parsed_symbol* sym, struct array* pmt_ref, BOOL z_term,
+ char open_char, char close_char)
+
+{
+ struct datatype_t ct;
+ struct array arg_collect;
+ char* args_str = NULL;
+ int i;
+
+ str_array_init(&arg_collect);
+
+ /* Now come the function arguments */
+ while (*sym->current)
+ {
+ /* Decode each data type and append it to the argument list */
+ if (*sym->current == '@')
+ {
+ sym->current++;
+ break;
+ }
+ if (!demangle_datatype(sym, &ct, pmt_ref, TRUE))
+ return NULL;
+ /* 'void' terminates an argument list */
+ if (!strcmp(ct.left, "void"))
+ {
+ if (!z_term && *sym->current == '@') sym->current++;
+ break;
+ }
+ str_array_push(sym, str_printf(sym, "%s%s", ct.left, ct.right), -1,
+ &arg_collect);
+ if (!strcmp(ct.left, "...")) break;
+ }
+ /* Functions are always terminated by 'Z'. If we made it this far and
+ * don't find it, we have incorrectly identified a data type.
+ */
+ if (z_term && *sym->current++ != 'Z') return NULL;
+
+ if (arg_collect.num == 0 ||
+ (arg_collect.num == 1 && !strcmp(arg_collect.elts[0], "void")))
+ return str_printf(sym, "%cvoid%c", open_char, close_char);
+ for (i = 1; i < arg_collect.num; i++)
+ {
+ args_str = str_printf(sym, "%s,%s", args_str, arg_collect.elts[i]);
+ }
+
+ if (close_char == '>' && args_str && args_str[strlen(args_str) - 1] == '>')
+ args_str = str_printf(sym, "%c%s%s %c",
+ open_char, arg_collect.elts[0], args_str, close_char);
+ else
+ args_str = str_printf(sym, "%c%s%s%c",
+ open_char, arg_collect.elts[0], args_str, close_char);
+
+ return args_str;
+}
+
+/******************************************************************
+ * get_modifier
+ * Parses the type modifier. Always returns a static string
+ */
+static BOOL get_modifier(char ch, const char** ret)
+{
+ switch (ch)
+ {
+ case 'A': *ret = NULL; break;
+ case 'B': *ret = "const"; break;
+ case 'C': *ret = "volatile"; break;
+ case 'D': *ret = "const volatile"; break;
+ default: return FALSE;
+ }
+ return TRUE;
+}
+
+static const char* get_modified_type(struct parsed_symbol* sym, char modif)
+{
+ const char* modifier;
+ const char* ret = NULL;
+ const char* str_modif;
+
+ switch (modif)
+ {
+ case 'A': str_modif = " &"; break;
+ case 'P': str_modif = " *"; break;
+ case 'Q': str_modif = " * const"; break;
+ case '?': str_modif = ""; break;
+ default: return NULL;
+ }
+
+ if (get_modifier(*sym->current++, &modifier))
+ {
+ unsigned mark = sym->stack.num;
+ struct datatype_t sub_ct;
+
+ /* Recurse to get the referred-to type */
+ if (!demangle_datatype(sym, &sub_ct, NULL, FALSE))
+ return NULL;
+ ret = str_printf(sym, "%s%s%s%s%s",
+ sub_ct.left, sub_ct.left && modifier ? " " : NULL,
+ modifier, sub_ct.right, str_modif);
+ sym->stack.num = mark;
+ }
+ return ret;
+}
+
+/******************************************************************
+ * get_class
+ * Parses class as a list of parent-classes, separated by '@', terminated by '@@'
+ * and stores the result in 'a' array. Each parent-classes, as well as the inner
+ * element (either field/method name or class name), are stored as allocated
+ * strings in the array.
+ */
+static BOOL get_class(struct parsed_symbol* sym)
+{
+ const char* ptr;
+
+ while (*sym->current != '@')
+ {
+ switch (*sym->current)
+ {
+ case '\0': return FALSE;
+
+ case '0': case '1': case '2': case '3':
+ case '4': case '5': case '6': case '7':
+ case '8': case '9':
+ ptr = str_array_get_ref(&sym->stack, *sym->current++ - '0');
+ if (!ptr) return FALSE;
+ str_array_push(sym, ptr, -1, &sym->stack);
+ break;
+ case '?':
+ if (*++sym->current == '$')
+ {
+ const char* name = ++sym->current;
+ char* full = NULL;
+ char* args = NULL;
+ unsigned num_mark = sym->stack.num;
+ unsigned start_mark = sym->stack.start;
+
+ while (*sym->current++ != '@');
+
+ sym->stack.start = sym->stack.num;
+ str_array_push(sym, name, sym->current - name -1, &sym->stack);
+ args = get_args(sym, NULL, FALSE, '<', '>');
+ if (args != NULL)
+ {
+ full = str_printf(sym, "%s%s", sym->stack.elts[num_mark], args);
+ }
+ if (!full) return FALSE;
+ sym->stack.elts[num_mark] = full;
+ sym->stack.num = num_mark + 1;
+ sym->stack.start = start_mark;
+ }
+ break;
+ default:
+ ptr = sym->current;
+ while (*sym->current++ != '@');
+ str_array_push(sym, ptr, sym->current - 1 - ptr, &sym->stack);
+ break;
+ }
+ }
+ sym->current++;
+ return TRUE;
+}
+
+/******************************************************************
+ * get_class_string
+ * From an array collected by get_class, constructs the corresponding (allocated)
+ * string
+ */
+static char* get_class_string(struct parsed_symbol* sym, /*const struct array* a, */int start)
+{
+ int i;
+ size_t len, sz;
+ char* ret;
+ struct array *a = &sym->stack;
+ for (len = 0, i = start; i < a->num; i++)
+ {
+ assert(a->elts[i]);
+ len += 2 + strlen(a->elts[i]);
+ }
+ if (!(ret = und_alloc(sym, len - 1))) return NULL;
+ for (len = 0, i = a->num - 1; i >= start; i--)
+ {
+ sz = strlen(a->elts[i]);
+ memcpy(ret + len, a->elts[i], sz);
+ len += sz;
+ if (i > start)
+ {
+ ret[len++] = ':';
+ ret[len++] = ':';
+ }
+ }
+ ret[len] = '\0';
+ return ret;
+}
+
+/******************************************************************
+ * get_calling_convention
+ * Returns a static string corresponding to the calling convention described
+ * by char 'ch'. Sets export to TRUE iff the calling convention is exported.
+ */
+static BOOL get_calling_convention(struct parsed_symbol* sym, char ch,
+ const char** call_conv, const char** exported,
+ unsigned flags)
+{
+ *call_conv = *exported = NULL;
+
+ if (!(flags & (UNDNAME_NO_MS_KEYWORDS | UNDNAME_NO_ALLOCATION_LANGUAGE)))
+ {
+ if (flags & UNDNAME_NO_LEADING_UNDERSCORES)
+ {
+ if (((ch - 'A') % 2) == 1) *exported = "dll_export ";
+ switch (ch)
+ {
+ case 'A': case 'B': *call_conv = "cdecl"; break;
+ case 'C': case 'D': *call_conv = "pascal"; break;
+ case 'E': case 'F': *call_conv = "thiscall"; break;
+ case 'G': case 'H': *call_conv = "stdcall"; break;
+ case 'I': case 'J': *call_conv = "fastcall"; break;
+ case 'K': break;
+ default: ERR("Unknown calling convention %c\n", ch); return FALSE;
+ }
+ }
+ else
+ {
+ if (((ch - 'A') % 2) == 1) *exported = "__dll_export ";
+ switch (ch)
+ {
+ case 'A': case 'B': *call_conv = "__cdecl"; break;
+ case 'C': case 'D': *call_conv = "__pascal"; break;
+ case 'E': case 'F': *call_conv = "__thiscall"; break;
+ case 'G': case 'H': *call_conv = "__stdcall"; break;
+ case 'I': case 'J': *call_conv = "__fastcall"; break;
+ case 'K': break;
+ default: ERR("Unknown calling convention %c\n", ch); return FALSE;
+ }
+ }
+ }
+ return TRUE;
+}
+
+/*******************************************************************
+ * get_simple_type
+ * Return a string containing an allocated string for a simple data type
+ */
+static const char* get_simple_type(struct parsed_symbol* sym, char c)
+{
+ const char* type_string;
+
+ switch (c)
+ {
+ case 'C': type_string = "signed char"; break;
+ case 'D': type_string = "char"; break;
+ case 'E': type_string = "unsigned char"; break;
+ case 'F': type_string = "short"; break;
+ case 'G': type_string = "unsigned short"; break;
+ case 'H': type_string = "int"; break;
+ case 'I': type_string = "unsigned int"; break;
+ case 'J': type_string = "long"; break;
+ case 'K': type_string = "unsigned long"; break;
+ case 'M': type_string = "float"; break;
+ case 'N': type_string = "double"; break;
+ case 'O': type_string = "long double"; break;
+ case 'X': type_string = "void"; break;
+ case 'Z': type_string = "..."; break;
+ default: type_string = NULL; break;
+ }
+ return type_string;
+}
+/*******************************************************************
+ * get_extented_type
+ * Return a string containing an allocated string for a simple data type
+ */
+static const char* get_extended_type(struct parsed_symbol* sym, char c)
+{
+ const char* type_string;
+
+ switch (c)
+ {
+ case 'D': type_string = "__int8"; break;
+ case 'E': type_string = "unsigned __int8"; break;
+ case 'F': type_string = "__int16"; break;
+ case 'G': type_string = "unsigned __int16"; break;
+ case 'H': type_string = "__int32"; break;
+ case 'I': type_string = "unsigned __int32"; break;
+ case 'J': type_string = "__int64"; break;
+ case 'K': type_string = "unsigned __int64"; break;
+ case 'L': type_string = "__int128"; break;
+ case 'M': type_string = "unsigned __int128"; break;
+ case 'N': type_string = "bool"; break;
+ case 'W': type_string = "wchar_t"; break;
+ default: type_string = NULL; break;
+ }
+ return type_string;
+}
+
+/*******************************************************************
+ * demangle_datatype
+ *
+ * Attempt to demangle a C++ data type, which may be datatype.
+ * a datatype type is made up of a number of simple types. e.g:
+ * char** = (pointer to (pointer to (char)))
+ */
+static BOOL demangle_datatype(struct parsed_symbol* sym, struct datatype_t* ct,
+ struct array* pmt_ref, BOOL in_args)
+{
+ char dt;
+ BOOL add_pmt = TRUE;
+
+ assert(ct);
+ ct->left = ct->right = NULL;
+
+ switch (dt = *sym->current++)
+ {
+ case '_':
+ /* MS type: __int8,__int16 etc */
+ ct->left = get_extended_type(sym, *sym->current++);
+ break;
+ case 'C': case 'D': case 'E': case 'F': case 'G':
+ case 'H': case 'I': case 'J': case 'K': case 'M':
+ case 'N': case 'O': case 'X': case 'Z':
+ /* Simple data types */
+ ct->left = get_simple_type(sym, dt);
+ add_pmt = FALSE;
+ break;
+ case 'T': /* union */
+ case 'U': /* struct */
+ case 'V': /* class */
+ /* Class/struct/union */
+ {
+ unsigned mark = sym->stack.num;
+ const char* struct_name = NULL;
+ const char* type_name = NULL;
+
+ if (!get_class(sym) ||
+ !(struct_name = get_class_string(sym, mark))) goto done;
+ sym->stack.num = mark;
+ if (!(sym->flags & UNDNAME_NO_COMPLEX_TYPE))
+ {
+ switch (dt)
+ {
+ case 'T': type_name = "union "; break;
+ case 'U': type_name = "struct "; break;
+ case 'V': type_name = "class "; break;
+ }
+ }
+ ct->left = str_printf(sym, "%s%s", type_name, struct_name);
+ }
+ break;
+ case '?':
+ /* not all the time is seems */
+ if (!(ct->left = get_modified_type(sym, '?'))) goto done;
+ break;
+ case 'A':
+ if (!(ct->left = get_modified_type(sym, 'A'))) goto done;
+ break;
+ case 'Q':
+ if (!(ct->left = get_modified_type(sym, in_args ? 'Q' : 'P'))) goto done;
+ break;
+ case 'P': /* Pointer */
+ if (isdigit(*sym->current))
+ {
+ /* FIXME: P6 = Function pointer, others who knows.. */
+ if (*sym->current++ == '6')
+ {
+ char* args = NULL;
+ const char* call_conv;
+ const char* exported;
+ struct datatype_t sub_ct;
+ unsigned mark = sym->stack.num;
+
+ if (!get_calling_convention(sym, *sym->current++,
+ &call_conv, &exported,
+ sym->flags & ~UNDNAME_NO_ALLOCATION_LANGUAGE) ||
+ !demangle_datatype(sym, &sub_ct, pmt_ref, FALSE))
+ goto done;
+
+ args = get_args(sym, pmt_ref, TRUE, '(', ')');
+ if (!args) goto done;
+ sym->stack.num = mark;
+
+ ct->left = str_printf(sym, "%s%s (%s*",
+ sub_ct.left, sub_ct.right, call_conv);
+ ct->right = str_printf(sym, ")%s", args);
+ }
+ else goto done;
+ }
+ else if (!(ct->left = get_modified_type(sym, 'P'))) goto done;
+ break;
+ case 'W':
+ if (*sym->current == '4')
+ {
+ char* enum_name;
+ unsigned mark = sym->stack.num;
+ sym->current++;
+ if (!get_class(sym) ||
+ !(enum_name = get_class_string(sym, mark))) goto done;
+ sym->stack.num = mark;
+ if (sym->flags & UNDNAME_NO_COMPLEX_TYPE)
+ ct->left = enum_name;
+ else
+ ct->left = str_printf(sym, "enum %s", enum_name);
+ }
+ else goto done;
+ break;
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ /* Referring back to previously parsed type */
+ ct->left = str_array_get_ref(pmt_ref, dt - '0');
+ if (!ct->left) goto done;
+ add_pmt = FALSE;
+ break;
+ case '$':
+ if (sym->current[0] != '0') goto done;
+ if (sym->current[1] >= '0' && sym->current[1] <= '9')
+ {
+ char* ptr;
+ ptr = und_alloc(sym, 2);
+ ptr[0] = sym->current[1] + 1;
+ ptr[1] = 0;
+ ct->left = ptr;
+ sym->current += 2;
+ }
+ else if ((sym->current[1] >= 'A' && sym->current[1] <= 'P') &&
+ sym->current[2] == '@')
+ {
+ char* ptr;
+ ptr = und_alloc(sym, 3);
+ if (sym->current[1] <= 'J')
+ {
+ ptr[0] = '0' + sym->current[1] - 'A';
+ ptr[1] = 0;
+ }
+ else
+ {
+ ptr[0] = '1';
+ ptr[1] = sym->current[1] - 'K' + '0';
+ ptr[2] = 0;
+ }
+ ct->left = ptr;
+ sym->current += 3;
+ }
+ else goto done;
+ break;
+ default :
+ ERR("Unknown type %c\n", dt);
+ break;
+ }
+ if (add_pmt && pmt_ref && in_args)
+ str_array_push(sym, str_printf(sym, "%s%s", ct->left, ct->right),
+ -1, pmt_ref);
+done:
+
+ return ct->left != NULL;
+}
+
+/******************************************************************
+ * handle_data
+ * Does the final parsing and handling for a variable or a field in
+ * a class.
+ */
+static BOOL handle_data(struct parsed_symbol* sym)
+{
+ const char* access = NULL;
+ const char* member_type = NULL;
+ const char* modifier = NULL;
+ struct datatype_t ct;
+ char* name = NULL;
+ BOOL ret = FALSE;
+ char dt;
+
+ /* 0 private static
+ * 1 protected static
+ * 2 public static
+ * 3 private non-static
+ * 4 protected non-static
+ * 5 public non-static
+ * 6 ?? static
+ * 7 ?? static
+ */
+
+ if (!(sym->flags & UNDNAME_NO_ACCESS_SPECIFIERS))
+ {
+ /* we only print the access for static members */
+ switch (*sym->current)
+ {
+ case '0': access = "private: "; break;
+ case '1': access = "protected: "; break;
+ case '2': access = "public: "; break;
+ }
+ }
+
+ if (!(sym->flags & UNDNAME_NO_MEMBER_TYPE))
+ {
+ if (*sym->current >= '0' && *sym->current <= '2')
+ member_type = "static ";
+ }
+
+ name = get_class_string(sym, 0);
+
+ switch (dt = *sym->current++)
+ {
+ case '0': case '1': case '2':
+ case '3': case '4': case '5':
+ {
+ unsigned mark = sym->stack.num;
+ if (!demangle_datatype(sym, &ct, NULL, FALSE)) goto done;
+ if (!get_modifier(*sym->current++, &modifier)) goto done;
+ sym->stack.num = mark;
+ }
+ break;
+ case '6' : /* compiler generated static */
+ case '7' : /* compiler generated static */
+ ct.left = ct.right = NULL;
+ if (!get_modifier(*sym->current++, &modifier)) goto done;
+ if (*sym->current != '@')
+ {
+ unsigned mark = sym->stack.num;
+ char* cls = NULL;
+
+ if (!get_class(sym) ||
+ !(cls = get_class_string(sym, mark))) goto done;
+ sym->stack.num = mark;
+ ct.right = str_printf(sym, "{for `%s'}", cls);
+ }
+ break;
+ default: goto done;
+ }
+ if (sym->flags & UNDNAME_NAME_ONLY) ct.left = ct.right = modifier = NULL;
+ sym->result = str_printf(sym, "%s%s%s%s%s%s%s%s", access,
+ member_type, ct.left,
+ modifier && ct.left ? " " : NULL, modifier,
+ modifier || ct.left ? " " : NULL, name, ct.right);
+ ret = TRUE;
+done:
+ return ret;
+}
+
+/******************************************************************
+ * handle_method
+ * Does the final parsing and handling for a function or a method in
+ * a class.
+ */
+static BOOL handle_method(struct parsed_symbol* sym, BOOL cast_op)
+{
+ const char* access = NULL;
+ const char* member_type = NULL;
+ struct datatype_t ct_ret;
+ const char* call_conv;
+ const char* modifier = NULL;
+ const char* exported;
+ const char* args_str = NULL;
+ const char* name = NULL;
+ BOOL ret = FALSE;
+ unsigned mark;
+ struct array array_pmt;
+
+ /* FIXME: why 2 possible letters for each option?
+ * 'A' private:
+ * 'B' private:
+ * 'C' private: static
+ * 'D' private: static
+ * 'E' private: virtual
+ * 'F' private: virtual
+ * 'G' private: thunk
+ * 'H' private: thunk
+ * 'I' protected:
+ * 'J' protected:
+ * 'K' protected: static
+ * 'L' protected: static
+ * 'M' protected: virtual
+ * 'N' protected: virtual
+ * 'O' protected: thunk
+ * 'P' protected: thunk
+ * 'Q' public:
+ * 'R' public:
+ * 'S' public: static
+ * 'T' public: static
+ * 'U' public: virtual
+ * 'V' public: virtual
+ * 'W' public: thunk
+ * 'X' public: thunk
+ * 'Y'
+ * 'Z'
+ */
+
+ if (!(sym->flags & UNDNAME_NO_ACCESS_SPECIFIERS))
+ {
+ switch ((*sym->current - 'A') / 8)
+ {
+ case 0: access = "private: "; break;
+ case 1: access = "protected: "; break;
+ case 2: access = "public: "; break;
+ }
+ }
+ if (!(sym->flags & UNDNAME_NO_MEMBER_TYPE))
+ {
+ if (*sym->current >= 'A' && *sym->current <= 'X')
+ {
+ switch ((*sym->current - 'A') % 8)
+ {
+ case 2: case 3: member_type = "static "; break;
+ case 4: case 5: member_type = "virtual "; break;
+ case 6: case 7: member_type = "thunk "; break;
+ }
+ }
+ }
+
+ if (*sym->current >= 'A' && *sym->current <= 'X')
+ {
+ if (!((*sym->current - 'A') & 2))
+ {
+ /* Implicit 'this' pointer */
+ /* If there is an implicit this pointer, const modifier follows */
+ if (!get_modifier(*++sym->current, &modifier)) goto done;
+ }
+ }
+ else if (*sym->current < 'A' || *sym->current > 'Z') goto done;
+ sym->current++;
+
+ name = get_class_string(sym, 0);
+
+ if (!get_calling_convention(sym, *sym->current++,
+ &call_conv, &exported, sym->flags))
+ goto done;
+
+ str_array_init(&array_pmt);
+
+ /* Return type, or @ if 'void' */
+ if (*sym->current == '@')
+ {
+ ct_ret.left = "void";
+ ct_ret.right = NULL;
+ sym->current++;
+ }
+ else
+ {
+ if (!demangle_datatype(sym, &ct_ret, &array_pmt, FALSE))
+ goto done;
+ }
+ if (sym->flags & UNDNAME_NO_FUNCTION_RETURNS)
+ ct_ret.left = ct_ret.right = NULL;
+ if (cast_op)
+ {
+ name = str_printf(sym, "%s%s%s", name, ct_ret.left, ct_ret.right);
+ ct_ret.left = ct_ret.right = NULL;
+ }
+
+ mark = sym->stack.num;
+ if (!(args_str = get_args(sym, &array_pmt, TRUE, '(', ')'))) goto done;
+ if (sym->flags & UNDNAME_NAME_ONLY) args_str = modifier = NULL;
+ sym->stack.num = mark;
+
+ /* Note: '()' after 'Z' means 'throws', but we don't care here
+ * Yet!!! FIXME
+ */
+ sym->result = str_printf(sym, "%s%s%s%s%s%s%s%s%s%s%s%s",
+ access, member_type, ct_ret.left,
+ (ct_ret.left && !ct_ret.right) ? " " : NULL,
+ call_conv, call_conv ? " " : NULL, exported,
+ name, args_str, modifier,
+ modifier ? " " : NULL, ct_ret.right);
+ ret = TRUE;
+done:
+ return ret;
+}
+
+/*******************************************************************
+ * demangle_symbol
+ * Demangle a C++ linker symbol
+ */
+static BOOL symbol_demangle(struct parsed_symbol* sym)
+{
+ BOOL ret = FALSE;
+ unsigned do_after = 0;
+
+ /* MS mangled names always begin with '?' */
+ if (*sym->current != '?') return FALSE;
+
+ /* FIXME seems wrong as name, as it demangles a simple data type */
+ if (sym->flags & UNDNAME_NO_ARGUMENTS)
+ {
+ struct datatype_t ct;
+
+ if (demangle_datatype(sym, &ct, NULL, FALSE))
+ {
+ sym->result = str_printf(sym, "%s%s", ct.left, ct.right);
+ ret = TRUE;
+ }
+ goto done;
+ }
+
+ str_array_init(&sym->stack);
+ sym->current++;
+
+ /* Then function name or operator code */
+ if (*sym->current == '?' && sym->current[1] != '$')
+ {
+ const char* function_name = NULL;
+
+ /* C++ operator code (one character, or two if the first is '_') */
+ switch (*++sym->current)
+ {
+ case '0': do_after = 1; break;
+ case '1': do_after = 2; break;
+ case '2': function_name = "operator new"; break;
+ case '3': function_name = "operator delete"; break;
+ case '4': function_name = "operator="; break;
+ case '5': function_name = "operator>>"; break;
+ case '6': function_name = "operator<<"; break;
+ case '7': function_name = "operator!"; break;
+ case '8': function_name = "operator=="; break;
+ case '9': function_name = "operator!="; break;
+ case 'A': function_name = "operator[]"; break;
+ case 'B': function_name = "operator "; do_after = 3; break;
+ case 'C': function_name = "operator->"; break;
+ case 'D': function_name = "operator*"; break;
+ case 'E': function_name = "operator++"; break;
+ case 'F': function_name = "operator--"; break;
+ case 'G': function_name = "operator-"; break;
+ case 'H': function_name = "operator+"; break;
+ case 'I': function_name = "operator&"; break;
+ case 'J': function_name = "operator->*"; break;
+ case 'K': function_name = "operator/"; break;
+ case 'L': function_name = "operator%"; break;
+ case 'M': function_name = "operator<"; break;
+ case 'N': function_name = "operator<="; break;
+ case 'O': function_name = "operator>"; break;
+ case 'P': function_name = "operator>="; break;
+ case 'Q': function_name = "operator,"; break;
+ case 'R': function_name = "operator()"; break;
+ case 'S': function_name = "operator~"; break;
+ case 'T': function_name = "operator^"; break;
+ case 'U': function_name = "operator|"; break;
+ case 'V': function_name = "operator&&"; break;
+ case 'W': function_name = "operator||"; break;
+ case 'X': function_name = "operator*="; break;
+ case 'Y': function_name = "operator+="; break;
+ case 'Z': function_name = "operator-="; break;
+ case '_':
+ switch (*++sym->current)
+ {
+ case '0': function_name = "operator/="; break;
+ case '1': function_name = "operator%="; break;
+ case '2': function_name = "operator>>="; break;
+ case '3': function_name = "operator<<="; break;
+ case '4': function_name = "operator&="; break;
+ case '5': function_name = "operator|="; break;
+ case '6': function_name = "operator^="; break;
+ case '7': function_name = "`vftable'"; break;
+ case '8': function_name = "`vbtable'"; break;
+ case '9': function_name = "`vcall'"; break;
+ case 'A': function_name = "`typeof'"; break;
+ case 'B': function_name = "`local static guard'"; break;
+ case 'C': function_name = "`string'"; do_after = 4; break;
+ case 'D': function_name = "`vbase destructor'"; break;
+ case 'E': function_name = "`vector deleting destructor'"; break;
+ case 'F': function_name = "`default constructor closure'"; break;
+ case 'G': function_name = "`scalar deleting destructor'"; break;
+ case 'H': function_name = "`vector constructor iterator'"; break;
+ case 'I': function_name = "`vector destructor iterator'"; break;
+ case 'J': function_name = "`vector vbase constructor iterator'"; break;
+ case 'K': function_name = "`virtual displacement map'"; break;
+ case 'L': function_name = "`eh vector constructor iterator'"; break;
+ case 'M': function_name = "`eh vector destructor iterator'"; break;
+ case 'N': function_name = "`eh vector vbase constructor iterator'"; break;
+ case 'O': function_name = "`copy constructor closure'"; break;
+ case 'S': function_name = "`local vftable'"; break;
+ case 'T': function_name = "`local vftable constructor closure'"; break;
+ case 'U': function_name = "operator new[]"; break;
+ case 'V': function_name = "operator delete[]"; break;
+ case 'X': function_name = "`placement delete closure'"; break;
+ case 'Y': function_name = "`placement delete[] closure'"; break;
+ default:
+ ERR("Unknown operator: _%c\n", *sym->current);
+ return FALSE;
+ }
+ break;
+ default:
+ /* FIXME: Other operators */
+ ERR("Unknown operator: %c\n", *sym->current);
+ return FALSE;
+ }
+ sym->current++;
+ switch (do_after)
+ {
+ case 1: case 2:
+ sym->stack.num = sym->stack.max = 1;
+ sym->stack.elts[0] = "--null--";
+ break;
+ case 4:
+ sym->result = (char*)function_name;
+ ret = TRUE;
+ goto done;
+ default:
+ str_array_push(sym, function_name, -1, &sym->stack);
+ break;
+ }
+ sym->stack.start = 1;
+ }
+
+ /* Either a class name, or '@' if the symbol is not a class member */
+ if (*sym->current != '@')
+ {
+ /* Class the function is associated with, terminated by '@@' */
+ if (!get_class(sym)) goto done;
+ }
+ else sym->current++;
+
+ switch (do_after)
+ {
+ case 0: default: break;
+ case 1: case 2:
+ /* it's time to set the member name for ctor & dtor */
+ if (sym->stack.num <= 1) goto done;
+ if (do_after == 1)
+ sym->stack.elts[0] = sym->stack.elts[1];
+ else
+ sym->stack.elts[0] = str_printf(sym, "~%s", sym->stack.elts[1]);
+ /* ctors and dtors don't have return type */
+ sym->flags |= UNDNAME_NO_FUNCTION_RETURNS;
+ break;
+ case 3:
+ sym->flags &= ~UNDNAME_NO_FUNCTION_RETURNS;
+ break;
+ }
+
+ /* Function/Data type and access level */
+ if (*sym->current >= '0' && *sym->current <= '7')
+ ret = handle_data(sym);
+ else if (*sym->current >= 'A' && *sym->current <= 'Z')
+ ret = handle_method(sym, do_after == 3);
+ else ret = FALSE;
+done:
+ if (ret) assert(sym->result);
+ else WARN("Failed at %s\n", sym->current);
+
+ return ret;
+}
+
+/*********************************************************************
+ * __unDNameEx (MSVCRT.@)
+ *
+ * Demangle a C++ identifier.
+ *
+ * PARAMS
+ * buffer [O] If not NULL, the place to put the demangled string
+ * mangled [I] Mangled name of the function
+ * buflen [I] Length of buffer
+ * memget [I] Function to allocate memory with
+ * memfree [I] Function to free memory with
+ * unknown [?] Unknown, possibly a call back
+ * flags [I] Flags determining demangled format
+ *
+ * RETURNS
+ * Success: A string pointing to the unmangled name, allocated with memget.
+ * Failure: NULL.
+ */
+char* __unDNameEx(char* buffer, const char* mangled, int buflen,
+ malloc_func_t memget, free_func_t memfree,
+ void* unknown, unsigned short int flags)
+{
+ struct parsed_symbol sym;
+
+ TRACE("(%p,%s,%d,%p,%p,%p,%x) stub!\n",
+ buffer, mangled, buflen, memget, memfree, unknown, flags);
+
+ /* The flags details is not documented by MS. However, it looks exactly
+ * like the UNDNAME_ manifest constants from imagehlp.h and dbghelp.h
+ * So, we copied those (on top of the file)
+ */
+ memset(&sym, 0, sizeof(struct parsed_symbol));
+ if (flags & UNDNAME_NAME_ONLY)
+ flags |= UNDNAME_NO_FUNCTION_RETURNS | UNDNAME_NO_ACCESS_SPECIFIERS |
+ UNDNAME_NO_MEMBER_TYPE | UNDNAME_NO_ALLOCATION_LANGUAGE |
+ UNDNAME_NO_COMPLEX_TYPE;
+
+ sym.flags = flags;
+ sym.mem_alloc_ptr = memget;
+ sym.mem_free_ptr = memfree;
+ sym.current = mangled;
+
+ if (symbol_demangle(&sym))
+ {
+ if (buffer && buflen)
+ {
+ memcpy(buffer, sym.result, buflen - 1);
+ buffer[buflen - 1] = '\0';
+ }
+ else
+ {
+ buffer = memget(strlen(sym.result) + 1);
+ if (buffer) strcpy(buffer, sym.result);
+ }
+ }
+ else buffer = NULL;
+
+ und_free_all(&sym);
+
+ return buffer;
+}
+
+
+/*********************************************************************
+ * __unDName (MSVCRT.@)
+ */
+char* __unDName(char* buffer, const char* mangled, int buflen,
+ malloc_func_t memget, free_func_t memfree,
+ unsigned short int flags)
+{
+ return __unDNameEx(buffer, mangled, buflen, memget, memfree, NULL, flags);
+}
http://git.etersoft.ru/projects / wine / eterwine.git / commitdiff