520 lines
14 KiB
C
520 lines
14 KiB
C
/*
|
|
* Spec file parser
|
|
*
|
|
* Copyright 1993 Robert J. Amstadt
|
|
* Copyright 1995 Martin von Loewis
|
|
* Copyright 1995, 1996, 1997 Alexandre Julliard
|
|
* Copyright 1997 Eric Youngdale
|
|
* Copyright 1999 Ulrich Weigand
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "build.h"
|
|
|
|
int current_line = 0;
|
|
|
|
static SPEC_TYPE SpecType = SPEC_INVALID;
|
|
|
|
static char ParseBuffer[512];
|
|
static char *ParseNext = ParseBuffer;
|
|
static char ParseSaveChar;
|
|
static FILE *input_file;
|
|
|
|
static const char * const TypeNames[TYPE_NBTYPES] =
|
|
{
|
|
"byte", /* TYPE_BYTE */
|
|
"word", /* TYPE_WORD */
|
|
"long", /* TYPE_LONG */
|
|
"pascal16", /* TYPE_PASCAL_16 */
|
|
"pascal", /* TYPE_PASCAL */
|
|
"equate", /* TYPE_ABS */
|
|
"register", /* TYPE_REGISTER */
|
|
"interrupt", /* TYPE_INTERRUPT */
|
|
"stub", /* TYPE_STUB */
|
|
"stdcall", /* TYPE_STDCALL */
|
|
"cdecl", /* TYPE_CDECL */
|
|
"varargs", /* TYPE_VARARGS */
|
|
"extern", /* TYPE_EXTERN */
|
|
"forward" /* TYPE_FORWARD */
|
|
};
|
|
|
|
/* callback function used for stub functions */
|
|
#define STUB_CALLBACK \
|
|
((SpecType == SPEC_WIN16) ? "RELAY_Unimplemented16": "RELAY_Unimplemented32")
|
|
|
|
static int IsNumberString(char *s)
|
|
{
|
|
while (*s) if (!isdigit(*s++)) return 0;
|
|
return 1;
|
|
}
|
|
|
|
static char * GetTokenInLine(void)
|
|
{
|
|
char *p;
|
|
char *token;
|
|
|
|
if (ParseNext != ParseBuffer)
|
|
{
|
|
if (ParseSaveChar == '\0')
|
|
return NULL;
|
|
*ParseNext = ParseSaveChar;
|
|
}
|
|
|
|
/*
|
|
* Remove initial white space.
|
|
*/
|
|
for (p = ParseNext; isspace(*p); p++)
|
|
;
|
|
|
|
if ((*p == '\0') || (*p == '#'))
|
|
return NULL;
|
|
|
|
/*
|
|
* Find end of token.
|
|
*/
|
|
token = p++;
|
|
if (*token != '(' && *token != ')')
|
|
while (*p != '\0' && *p != '(' && *p != ')' && !isspace(*p))
|
|
p++;
|
|
|
|
ParseSaveChar = *p;
|
|
ParseNext = p;
|
|
*p = '\0';
|
|
|
|
return token;
|
|
}
|
|
|
|
static char * GetToken(void)
|
|
{
|
|
char *token;
|
|
|
|
while ((token = GetTokenInLine()) == NULL)
|
|
{
|
|
ParseNext = ParseBuffer;
|
|
while (1)
|
|
{
|
|
current_line++;
|
|
if (fgets(ParseBuffer, sizeof(ParseBuffer), input_file) == NULL)
|
|
return NULL;
|
|
if (ParseBuffer[0] != '#')
|
|
break;
|
|
}
|
|
}
|
|
return token;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseVariable
|
|
*
|
|
* Parse a variable definition.
|
|
*/
|
|
static void ParseVariable( ORDDEF *odp )
|
|
{
|
|
char *endptr;
|
|
int *value_array;
|
|
int n_values;
|
|
int value_array_size;
|
|
|
|
char *token = GetToken();
|
|
if (*token != '(') fatal_error( "Expected '(' got '%s'\n", token );
|
|
|
|
n_values = 0;
|
|
value_array_size = 25;
|
|
value_array = xmalloc(sizeof(*value_array) * value_array_size);
|
|
|
|
while ((token = GetToken()) != NULL)
|
|
{
|
|
if (*token == ')')
|
|
break;
|
|
|
|
value_array[n_values++] = strtol(token, &endptr, 0);
|
|
if (n_values == value_array_size)
|
|
{
|
|
value_array_size += 25;
|
|
value_array = xrealloc(value_array,
|
|
sizeof(*value_array) * value_array_size);
|
|
}
|
|
|
|
if (endptr == NULL || *endptr != '\0')
|
|
fatal_error( "Expected number value, got '%s'\n", token );
|
|
}
|
|
|
|
if (token == NULL)
|
|
fatal_error( "End of file in variable declaration\n" );
|
|
|
|
odp->u.var.n_values = n_values;
|
|
odp->u.var.values = xrealloc(value_array, sizeof(*value_array) * n_values);
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseExportFunction
|
|
*
|
|
* Parse a function definition.
|
|
*/
|
|
static void ParseExportFunction( ORDDEF *odp )
|
|
{
|
|
char *token;
|
|
int i;
|
|
|
|
switch(SpecType)
|
|
{
|
|
case SPEC_WIN16:
|
|
if (odp->type == TYPE_STDCALL)
|
|
fatal_error( "'stdcall' not supported for Win16\n" );
|
|
if (odp->type == TYPE_VARARGS)
|
|
fatal_error( "'varargs' not supported for Win16\n" );
|
|
break;
|
|
case SPEC_WIN32:
|
|
if ((odp->type == TYPE_PASCAL) || (odp->type == TYPE_PASCAL_16))
|
|
fatal_error( "'pascal' not supported for Win32\n" );
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
token = GetToken();
|
|
if (*token != '(') fatal_error( "Expected '(' got '%s'\n", token );
|
|
|
|
for (i = 0; i < sizeof(odp->u.func.arg_types)-1; i++)
|
|
{
|
|
token = GetToken();
|
|
if (*token == ')')
|
|
break;
|
|
|
|
if (!strcmp(token, "word"))
|
|
odp->u.func.arg_types[i] = 'w';
|
|
else if (!strcmp(token, "s_word"))
|
|
odp->u.func.arg_types[i] = 's';
|
|
else if (!strcmp(token, "long") || !strcmp(token, "segptr"))
|
|
odp->u.func.arg_types[i] = 'l';
|
|
else if (!strcmp(token, "ptr"))
|
|
odp->u.func.arg_types[i] = 'p';
|
|
else if (!strcmp(token, "str"))
|
|
odp->u.func.arg_types[i] = 't';
|
|
else if (!strcmp(token, "wstr"))
|
|
odp->u.func.arg_types[i] = 'W';
|
|
else if (!strcmp(token, "segstr"))
|
|
odp->u.func.arg_types[i] = 'T';
|
|
else if (!strcmp(token, "double"))
|
|
{
|
|
odp->u.func.arg_types[i++] = 'l';
|
|
odp->u.func.arg_types[i] = 'l';
|
|
}
|
|
else fatal_error( "Unknown variable type '%s'\n", token );
|
|
|
|
if (SpecType == SPEC_WIN32)
|
|
{
|
|
if (strcmp(token, "long") &&
|
|
strcmp(token, "ptr") &&
|
|
strcmp(token, "str") &&
|
|
strcmp(token, "wstr") &&
|
|
strcmp(token, "double"))
|
|
{
|
|
fatal_error( "Type '%s' not supported for Win32\n", token );
|
|
}
|
|
}
|
|
}
|
|
if ((*token != ')') || (i >= sizeof(odp->u.func.arg_types)))
|
|
fatal_error( "Too many arguments\n" );
|
|
|
|
odp->u.func.arg_types[i] = '\0';
|
|
if ((odp->type == TYPE_STDCALL) && !i)
|
|
odp->type = TYPE_CDECL; /* stdcall is the same as cdecl for 0 args */
|
|
strcpy(odp->u.func.link_name, GetToken());
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseEquate
|
|
*
|
|
* Parse an 'equate' definition.
|
|
*/
|
|
static void ParseEquate( ORDDEF *odp )
|
|
{
|
|
char *endptr;
|
|
|
|
char *token = GetToken();
|
|
int value = strtol(token, &endptr, 0);
|
|
if (endptr == NULL || *endptr != '\0')
|
|
fatal_error( "Expected number value, got '%s'\n", token );
|
|
if (SpecType == SPEC_WIN32)
|
|
fatal_error( "'equate' not supported for Win32\n" );
|
|
odp->u.abs.value = value;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseStub
|
|
*
|
|
* Parse a 'stub' definition.
|
|
*/
|
|
static void ParseStub( ORDDEF *odp )
|
|
{
|
|
odp->u.func.arg_types[0] = '\0';
|
|
strcpy( odp->u.func.link_name, STUB_CALLBACK );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseInterrupt
|
|
*
|
|
* Parse an 'interrupt' definition.
|
|
*/
|
|
static void ParseInterrupt( ORDDEF *odp )
|
|
{
|
|
char *token;
|
|
|
|
if (SpecType == SPEC_WIN32)
|
|
fatal_error( "'interrupt' not supported for Win32\n" );
|
|
|
|
token = GetToken();
|
|
if (*token != '(') fatal_error( "Expected '(' got '%s'\n", token );
|
|
|
|
token = GetToken();
|
|
if (*token != ')') fatal_error( "Expected ')' got '%s'\n", token );
|
|
|
|
odp->u.func.arg_types[0] = '\0';
|
|
strcpy( odp->u.func.link_name, GetToken() );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseExtern
|
|
*
|
|
* Parse an 'extern' definition.
|
|
*/
|
|
static void ParseExtern( ORDDEF *odp )
|
|
{
|
|
if (SpecType == SPEC_WIN16) fatal_error( "'extern' not supported for Win16\n" );
|
|
strcpy( odp->u.ext.link_name, GetToken() );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseForward
|
|
*
|
|
* Parse a 'forward' definition.
|
|
*/
|
|
static void ParseForward( ORDDEF *odp )
|
|
{
|
|
if (SpecType == SPEC_WIN16) fatal_error( "'forward' not supported for Win16\n" );
|
|
strcpy( odp->u.fwd.link_name, GetToken() );
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* fix_export_name
|
|
*
|
|
* Fix an exported function name by removing a possible @xx suffix
|
|
*/
|
|
static void fix_export_name( char *name )
|
|
{
|
|
char *p, *end = strrchr( name, '@' );
|
|
if (!end || !end[1] || end == name) return;
|
|
/* make sure all the rest is digits */
|
|
for (p = end + 1; *p; p++) if (!isdigit(*p)) return;
|
|
*end = 0;
|
|
}
|
|
|
|
/*******************************************************************
|
|
* ParseOrdinal
|
|
*
|
|
* Parse an ordinal definition.
|
|
*/
|
|
static void ParseOrdinal(int ordinal)
|
|
{
|
|
char *token;
|
|
|
|
ORDDEF *odp = &EntryPoints[nb_entry_points++];
|
|
|
|
if (!(token = GetToken())) fatal_error( "Expected type after ordinal\n" );
|
|
|
|
for (odp->type = 0; odp->type < TYPE_NBTYPES; odp->type++)
|
|
if (TypeNames[odp->type] && !strcmp( token, TypeNames[odp->type] ))
|
|
break;
|
|
|
|
if (odp->type >= TYPE_NBTYPES)
|
|
fatal_error( "Expected type after ordinal, found '%s' instead\n", token );
|
|
|
|
if (!(token = GetToken())) fatal_error( "Expected name after type\n" );
|
|
|
|
strcpy( odp->name, token );
|
|
fix_export_name( odp->name );
|
|
odp->lineno = current_line;
|
|
odp->ordinal = ordinal;
|
|
|
|
switch(odp->type)
|
|
{
|
|
case TYPE_BYTE:
|
|
case TYPE_WORD:
|
|
case TYPE_LONG:
|
|
ParseVariable( odp );
|
|
break;
|
|
case TYPE_REGISTER:
|
|
ParseExportFunction( odp );
|
|
#ifndef __i386__
|
|
/* ignore Win32 'register' routines on non-Intel archs */
|
|
if (SpecType == SPEC_WIN32)
|
|
{
|
|
nb_entry_points--;
|
|
return;
|
|
}
|
|
#endif
|
|
break;
|
|
case TYPE_PASCAL_16:
|
|
case TYPE_PASCAL:
|
|
case TYPE_STDCALL:
|
|
case TYPE_VARARGS:
|
|
case TYPE_CDECL:
|
|
ParseExportFunction( odp );
|
|
break;
|
|
case TYPE_INTERRUPT:
|
|
ParseInterrupt( odp );
|
|
break;
|
|
case TYPE_ABS:
|
|
ParseEquate( odp );
|
|
break;
|
|
case TYPE_STUB:
|
|
ParseStub( odp );
|
|
break;
|
|
case TYPE_EXTERN:
|
|
ParseExtern( odp );
|
|
break;
|
|
case TYPE_FORWARD:
|
|
ParseForward( odp );
|
|
break;
|
|
default:
|
|
assert( 0 );
|
|
}
|
|
|
|
if (ordinal != -1)
|
|
{
|
|
if (ordinal >= MAX_ORDINALS) fatal_error( "Ordinal number %d too large\n", ordinal );
|
|
if (ordinal > Limit) Limit = ordinal;
|
|
if (ordinal < Base) Base = ordinal;
|
|
odp->ordinal = ordinal;
|
|
Ordinals[ordinal] = odp;
|
|
}
|
|
|
|
if (!strcmp( odp->name, "@" ))
|
|
{
|
|
if (ordinal == -1)
|
|
fatal_error( "Nameless function needs an explicit ordinal number\n" );
|
|
if (SpecType != SPEC_WIN32)
|
|
fatal_error( "Nameless functions not supported for Win16\n" );
|
|
odp->name[0] = 0;
|
|
}
|
|
else Names[nb_names++] = odp;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* ParseTopLevel
|
|
*
|
|
* Parse a spec file.
|
|
*/
|
|
SPEC_TYPE ParseTopLevel( FILE *file )
|
|
{
|
|
char *token;
|
|
|
|
input_file = file;
|
|
current_line = 1;
|
|
while ((token = GetToken()) != NULL)
|
|
{
|
|
if (strcmp(token, "name") == 0)
|
|
{
|
|
strcpy(DLLName, GetToken());
|
|
}
|
|
else if (strcmp(token, "file") == 0)
|
|
{
|
|
strcpy(DLLFileName, GetToken());
|
|
strupper(DLLFileName);
|
|
}
|
|
else if (strcmp(token, "type") == 0)
|
|
{
|
|
token = GetToken();
|
|
if (!strcmp(token, "win16" )) SpecType = SPEC_WIN16;
|
|
else if (!strcmp(token, "win32" )) SpecType = SPEC_WIN32;
|
|
else fatal_error( "Type must be 'win16' or 'win32'\n" );
|
|
}
|
|
else if (strcmp(token, "mode") == 0)
|
|
{
|
|
token = GetToken();
|
|
if (!strcmp(token, "dll" )) SpecMode = SPEC_MODE_DLL;
|
|
else if (!strcmp(token, "guiexe" )) SpecMode = SPEC_MODE_GUIEXE;
|
|
else if (!strcmp(token, "cuiexe" )) SpecMode = SPEC_MODE_CUIEXE;
|
|
else if (!strcmp(token, "guiexe_no_main" )) SpecMode = SPEC_MODE_GUIEXE_NO_MAIN;
|
|
else if (!strcmp(token, "cuiexe_no_main" )) SpecMode = SPEC_MODE_CUIEXE_NO_MAIN;
|
|
else fatal_error( "Mode must be 'dll', 'guiexe', 'cuiexe', 'guiexe_no_main' or 'cuiexe_no_main'\n" );
|
|
}
|
|
else if (strcmp(token, "heap") == 0)
|
|
{
|
|
token = GetToken();
|
|
if (!IsNumberString(token)) fatal_error( "Expected number after heap\n" );
|
|
DLLHeapSize = atoi(token);
|
|
}
|
|
else if (strcmp(token, "init") == 0)
|
|
{
|
|
strcpy(DLLInitFunc, GetToken());
|
|
if (SpecType == SPEC_WIN16)
|
|
fatal_error( "init cannot be used for Win16 spec files\n" );
|
|
if (!DLLInitFunc[0])
|
|
fatal_error( "Expected function name after init\n" );
|
|
if (!strcmp(DLLInitFunc, "main"))
|
|
fatal_error( "The init function cannot be named 'main'\n" );
|
|
}
|
|
else if (strcmp(token, "import") == 0)
|
|
{
|
|
if (SpecType != SPEC_WIN32)
|
|
fatal_error( "Imports not supported for Win16\n" );
|
|
add_import_dll( GetToken() );
|
|
}
|
|
else if (strcmp(token, "rsrc") == 0)
|
|
{
|
|
strcpy( rsrc_name, GetToken() );
|
|
strcat( rsrc_name, "_ResourceDescriptor" );
|
|
}
|
|
else if (strcmp(token, "owner") == 0)
|
|
{
|
|
if (SpecType != SPEC_WIN16)
|
|
fatal_error( "Owner only supported for Win16 spec files\n" );
|
|
strcpy( owner_name, GetToken() );
|
|
}
|
|
else if (strcmp(token, "@") == 0)
|
|
{
|
|
if (SpecType != SPEC_WIN32)
|
|
fatal_error( "'@' ordinals not supported for Win16\n" );
|
|
ParseOrdinal( -1 );
|
|
}
|
|
else if (IsNumberString(token))
|
|
{
|
|
ParseOrdinal( atoi(token) );
|
|
}
|
|
else
|
|
fatal_error( "Expected name, id, length or ordinal\n" );
|
|
}
|
|
|
|
if (!DLLFileName[0])
|
|
{
|
|
if (SpecMode == SPEC_MODE_DLL)
|
|
sprintf( DLLFileName, "%s.dll", DLLName );
|
|
else
|
|
sprintf( DLLFileName, "%s.exe", DLLName );
|
|
}
|
|
|
|
if (SpecType == SPEC_INVALID) fatal_error( "Missing 'type' declaration\n" );
|
|
if (SpecType == SPEC_WIN16 && !owner_name[0])
|
|
fatal_error( "'owner' not specified for Win16 dll\n" );
|
|
|
|
current_line = 0; /* no longer parsing the input file */
|
|
return SpecType;
|
|
}
|