313 lines
7.1 KiB
C
313 lines
7.1 KiB
C
/*
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* Symbol functions
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*
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* Copyright 2000 Jon Griffiths
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include "winedump.h"
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/* Items that are swapped in arguments after the symbol structure
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* has been populated
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*/
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static const char *swap_after[] =
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{
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"\r", " ", /* Remove whitespace, normalise pointers and brackets */
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"\t", " ",
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" ", " ",
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" * ", " *",
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"* *", "**",
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"* ", "*",
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" ,", ",",
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"( ", "(",
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" )", ")",
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"wchar_t", "WCHAR", /* Help with Unicode compliles */
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"wctype_t", "WCHAR",
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"wint_t", "WCHAR",
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"unsigned __int64", "__uint64", /* Wine doesn't cope with unsigned i64's */
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NULL, NULL
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};
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/* Items containing these substrings are assumed to be wide character
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* strings, unless they contain more that one '*'. A preceeding 'LP'
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* counts as a '*', so 'LPWCSTR *' is a pointer, not a string
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*/
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static const char *wide_strings[] =
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{
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"WSTR", "WCSTR", NULL
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};
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/* Items containing these substrings are assumed to be wide characters,
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* unless they contain one '*'. A preceeding 'LP' counts as a '*',
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* so 'WCHAR *' is string, while 'LPWCHAR *' is a pointer
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*/
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static const char *wide_chars[] =
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{
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"WCHAR", NULL
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};
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/* Items containing these substrings are assumed to be ASCII character
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* strings, as above
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*/
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static const char *ascii_strings[] =
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{
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"STR", "CSTR", NULL
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};
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/* Items containing these substrings are assumed to be ASCII characters,
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* as above
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*/
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static const char *ascii_chars[] =
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{
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"CHAR", "char", NULL
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};
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/* Any type other than the following will produce a FIXME warning with -v
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* when mapped to a long, to allow fixups
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*/
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static const char *known_longs[] =
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{
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"char", "CHAR", "float", "int", "INT", "short", "SHORT", "long", "LONG",
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"WCHAR", "BOOL", "bool", "INT16", "WORD", "DWORD", NULL
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};
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int symbol_init(parsed_symbol* sym, const char* name)
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{
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memset(sym, 0, sizeof(parsed_symbol));
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sym->symbol = strdup(name);
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return 0;
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}
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/*******************************************************************
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* symbol_clear
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*
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* Free the memory used by a symbol and initialise it
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*/
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void symbol_clear(parsed_symbol *sym)
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{
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int i;
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assert (sym);
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assert (sym->symbol);
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free (sym->symbol);
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if (sym->return_text)
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free (sym->return_text);
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if (sym->function_name)
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free (sym->function_name);
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for (i = sym->argc - 1; i >= 0; i--)
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{
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if (sym->arg_text [i])
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free (sym->arg_text [i]);
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if (sym->arg_name [i])
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free (sym->arg_name [i]);
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}
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memset (sym, 0, sizeof (parsed_symbol));
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}
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/*******************************************************************
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* symbol_is_valid_c
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*
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* Check if a symbol is a valid C identifier
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*/
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int symbol_is_valid_c(const parsed_symbol *sym)
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{
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char *name;
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assert (sym);
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assert (sym->symbol);
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name = sym->symbol;
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while (*name)
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{
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if (!isalnum (*name) && *name != '_')
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return 0;
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name++;
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}
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return 1;
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}
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/*******************************************************************
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* symbol_get_call_convention
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*
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* Return the calling convention of a symbol
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*/
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const char *symbol_get_call_convention(const parsed_symbol *sym)
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{
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int call = sym->flags ? sym->flags : CALLING_CONVENTION;
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assert (sym);
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assert (sym->symbol);
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if (call & SYM_CDECL)
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return "cdecl";
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return "stdcall";
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}
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/*******************************************************************
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* symbol_get_spec_type
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*
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* Get the .spec file text for a symbols argument
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*/
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const char *symbol_get_spec_type (const parsed_symbol *sym, size_t arg)
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{
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assert (arg < sym->argc);
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switch (sym->arg_type [arg])
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{
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case ARG_STRING: return "str";
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case ARG_WIDE_STRING: return "wstr";
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case ARG_POINTER: return "ptr";
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case ARG_DOUBLE: return "double";
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case ARG_STRUCT:
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case ARG_FLOAT:
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case ARG_LONG: return "long";
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}
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assert (0);
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return NULL;
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}
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/*******************************************************************
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* symbol_get_type
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*
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* Get the ARG_ constant for a type string
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*/
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int symbol_get_type (const char *string)
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{
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const char *iter = string;
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const char **tab;
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int ptrs = 0;
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while (*iter && isspace(*iter))
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iter++;
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if (*iter == 'P' || *iter == 'H')
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ptrs++; /* Win32 type pointer */
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iter = string;
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while (*iter)
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{
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if (*iter == '*' || (*iter == 'L' && iter[1] == 'P')
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|| (*iter == '[' && iter[1] == ']'))
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ptrs++;
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if (ptrs > 1)
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return ARG_POINTER;
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iter++;
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}
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/* 0 or 1 pointer */
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tab = wide_strings;
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while (*tab++)
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if (strstr (string, tab[-1]))
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{
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if (ptrs < 2) return ARG_WIDE_STRING;
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else return ARG_POINTER;
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}
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tab = wide_chars;
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while (*tab++)
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if (strstr (string, tab[-1]))
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{
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if (!ptrs) return ARG_LONG;
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else return ARG_WIDE_STRING;
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}
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tab = ascii_strings;
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while (*tab++)
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if (strstr (string, tab[-1]))
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{
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if (ptrs < 2) return ARG_STRING;
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else return ARG_POINTER;
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}
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tab = ascii_chars;
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while (*tab++)
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if (strstr (string, tab[-1]))
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{
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if (!ptrs) return ARG_LONG;
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else {
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if (!strstr (string, "unsigned")) /* unsigned char * => ptr */
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return ARG_STRING;
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}
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}
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if (ptrs)
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return ARG_POINTER; /* Pointer to some other type */
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/* No pointers */
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if (strstr (string, "double"))
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return ARG_DOUBLE;
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if (strstr (string, "void") || strstr (string, "VOID"))
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return ARG_VOID;
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if (strstr (string, "struct") || strstr (string, "union"))
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return ARG_STRUCT; /* Struct by value, ugh */
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if (VERBOSE)
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{
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int known = 0;
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tab = known_longs;
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while (*tab++)
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if (strstr (string, tab[-1]))
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{
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known = 1;
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break;
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}
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/* Unknown types passed by value can be 'grep'ed out for fixup later */
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if (!known)
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printf ("/* FIXME: By value type: Assumed 'int' */ typedef int %s;\n",
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string);
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}
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return ARG_LONG;
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}
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/*******************************************************************
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* symbol_clean_string
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*
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* Make a type string more Wine-friendly. Logically const :-)
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*/
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void symbol_clean_string (const char *string)
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{
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const char **tab = swap_after;
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char *str = (char *)string;
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#define SWAP(i, p, x, y) do { i = p; while ((i = str_replace (i, x, y))); } while(0)
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while (tab [0])
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{
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char *p;
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SWAP (p, str, tab [0], tab [1]);
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tab += 2;
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}
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if (str [strlen (str) - 1] == ' ')
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str [strlen (str) - 1] = '\0'; /* no trailing space */
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if (*str == ' ')
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memmove (str, str + 1, strlen (str)); /* No leading spaces */
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}
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