Type * TypeAllocVar(Var * var)
{
Type * type;
type = TypeAlloc(TYPE_VAR);
type->typevar = var;
return type;
}
Type * TypeAllocArg(UInt8 arg_no, Type * arg_type)
{
Type * type;
type = TypeAlloc(TYPE_ARG);
type->arg_no = arg_no;
type->arg_type = arg_type;
return type;
}
Type * ParseTypeInline()
/*
Syntax: "+" full_type | "(" full_type ")" | normal_type | identifier | int ".." exp | "-" int ".." exp
*/{
Type * type = NULL;
Var * var;
UInt16 bookmark;
BigInt * bi;
PARSE_INLINE = true;
if (TOK == TOKEN_OPEN_P || TOK == TOKEN_PLUS) {
type = ParseType2(INSTR_TYPE);
} else {
type = ParseType3();
if (!TOK) return NULL;
if (type != NULL) return type;
if (ParseArg(&var)) {
type = TypeAllocVar(var);
} else if (TOK == TOKEN_ID) {
bookmark = SetBookmark();
var = ParseVariable();
if (TOK) {
if (var->mode == INSTR_TYPE) {
type = var->type;
} else if (var->mode == INSTR_VAR && var->type->variant == TYPE_TYPE) {
type = var->type_value;
} else {
ErrArg(var);
SyntaxErrorBmk("Variable [A] does not define type.", bookmark);
}
}
} else if (TOK == TOKEN_INT || TOK == TOKEN_MINUS) {
type = TypeAlloc(TYPE_INT);
bi = ParseIntConstExpression(NULL);
if (TOK) {
IntModify(&type->range.min, bi);
if (NextIs(TOKEN_DOTDOT)) {
bi = ParseIntConstExpression(NULL);
if (TOK) {
IntModify(&type->range.max, bi);
}
} else {
IntModify(&type->range.max, &type->range.min);
}
}
}
}
return type;
}
Type* GetCharArrayType (unsigned Len)
/* Return the type for a char array of the given length */
{
/* Allocate memory for the type string */
Type* T = TypeAlloc (3); /* array/char/terminator */
/* Fill the type string */
T[0].C = T_ARRAY;
T[0].A.L = Len; /* Array length is in the L attribute */
T[1].C = GetDefaultChar ();
T[2].C = T_END;
/* Return the new type */
return T;
}
Type* PointerTo (const Type* T)
/* Return a type string that is "pointer to T". The type string is allocated
** on the heap and may be freed after use.
*/
{
/* Get the size of the type string including the terminator */
unsigned Size = TypeLen (T) + 1;
/* Allocate the new type string */
Type* P = TypeAlloc (Size + 1);
/* Create the return type... */
P[0].C = T_PTR | (T[0].C & T_QUAL_ADDRSIZE);
memcpy (P+1, T, Size * sizeof (Type));
/* ...and return it */
return P;
}
void TranslateInit()
{
Var * var;
UInt8 i;
Type * type;
// Create RULE procedure and allocate it's arguments
type = TypeAlloc(TYPE_PROC);
RULE_PROC = VarAlloc(INSTR_VAR, NULL, 0);
RULE_PROC->type = type;
for(i=0; i<MACRO_ARG_CNT; i++) {
var = VarAllocScope(RULE_PROC, INSTR_VAR, NULL, i+1);
var->submode = SUBMODE_ARG_IN;
MACRO_ARG_VAR[i] = var;
}
RuleSetInit(&TRANSLATE_RULES);
RuleSetInit(&INSTR_RULES);
}
Type* GetImplicitFuncType (void)
/* Return a type string for an inplicitly declared function */
{
/* Get a new function descriptor */
FuncDesc* F = NewFuncDesc ();
/* Allocate memory for the type string */
Type* T = TypeAlloc (3); /* func/returns int/terminator */
/* Prepare the function descriptor */
F->Flags = FD_EMPTY | FD_VARIADIC;
F->SymTab = &EmptySymTab;
F->TagTab = &EmptySymTab;
/* Fill the type string */
T[0].C = T_FUNC | CodeAddrSizeQualifier ();
T[0].A.P = F;
T[1].C = T_INT;
T[2].C = T_END;
/* Return the new type */
return T;
}
int
main(int argc, char *argv[])
{
int found, j, value;
unsigned k, kk;
char *s, *t;
char *type_list = 0;
char bfr[MAXPATHLEN];
caseless = C_VALUE;
while ((j = getopt(argc, argv, "cD:e:iI:prt:U:vVwW:x")) != EOF) {
switch (j) {
case 'V':
printf("conflict %s\n", RELEASE);
return (EXIT_SUCCESS);
case 'c':
caseless = 0;
break;
case 'i':
caseless = 1;
break;
case 'e':
env_name = optarg;
break;
case 't':
type_list = optarg;
break;
case 'v':
v_opt++;
break;
case 'p':
p_opt = TRUE;
break;
case 'W':
value = (int) strtol(optarg, &t, 0);
if (*t != EOS || value < 0)
usage();
value = (int) strlen(w_opt_text) - value;
if (value < 0)
value = 0;
w_opt = w_opt_text + value;
break;
case 'r':
acc_mask |= R_OK;
break;
case 'w':
acc_mask |= W_OK;
break;
case 'x':
acc_mask |= X_OK;
break;
/*
* The 'U' and 'D' options are parsed to simplify
* using C-preprocessor options to scan for include-
* files.
*/
case 'U': /* ignored */
break;
case 'D': /* ignored */
break;
case 'I':
AddToPath(optarg);
break;
case 'L':
AddToPath(optarg);
break;
default:
usage();
/*NOTREACHED */
}
}
/* The "-v" and "-p" options aren't meaningful in combination */
if (v_opt && p_opt)
usage();
/* The remaining arguments are the programs/symbols that we're looking
* for. Reduce the argument-list to the leaf-names (stripping paths).
*/
if (argc > optind) {
for (j = optind; j < argc; j++) {
argv[j] = MakeString(DOS_upper(fleaf(argv[j])));
}
}
do_blips = ((v_opt > 1) && isatty(fileno(stderr)));
if (acc_mask == 0)
acc_mask = X_OK;
/*
* Get the current working-directory, so we have a reference point to
* go back after scanning directories.
*/
if (getwd(bfr) == 0)
failed("getcwd");
dot = MakeString(bfr);
if (!p_opt)
(void) printf("Current working directory is \"%s\"\n", dot);
/*
* Obtain the list of directories that we'll scan.
*/
if (pathlist == 0) {
if (env_name == 0)
env_name = "PATH";
if ((s = getenv(env_name)) != 0)
pathlist = strdup(s);
else
failed(env_name);
#if SYS_MSDOS || SYS_OS2 || SYS_WIN32 || SYS_OS2_EMX
if (!strcmp(env_name, "PATH")) {
/* look in current directory before looking in $PATH */
s = malloc(strlen(pathlist) + 3);
(void) sprintf(s, ".%c%s", PATHLIST_SEP, pathlist);
free(pathlist);
pathlist = s;
}
#endif
}
for (s = DOS_upper(pathlist), path_len = 1; *s != EOS; s++)
if (*s == PATHLIST_SEP)
path_len++;
dirs = TypeAlloc(DIRS, path_len);
/*
* Reconstruct the type-list (if any) as an array to simplify scanning.
*/
#ifdef TYPES_PATH
if (type_list == 0) {
if (!strcmp(env_name, "PATH"))
type_list = TYPES_PATH;
}
#endif
if (type_list != 0) {
type_list = DOS_upper(strdup(type_list));
for (s = type_list, num_types = 0; *s != EOS; s++) {
if (*s == '.') {
num_types++;
#if NULL_FTYPE /* "." and "" are different types */
if ((s[1] == '.') || (s[1] == EOS))
num_types++;
#endif
}
}
if (num_types == 0 || *type_list != '.') {
(void) fprintf(stderr, "Type-list must be .-separated\n");
exit(EXIT_FAILURE);
}
FileTypes = TypeAlloc(char *, num_types);
j = (int) num_types;
do {
if (*--s == '.') {
FileTypes[--j] = strdup(s);
#if NULL_FTYPE /* "." and "" are different types */
if (s[1] == EOS)
FileTypes[--j] = strdup("");
#endif
*s = EOS;
}
} while (j != 0);
free(type_list);
}
static void
ScanConflicts(char *path, unsigned inx, int argc, char **argv)
{
DIR *dp;
struct dirent *de;
struct stat sb;
int j;
unsigned k;
#if SYS_MSDOS || SYS_OS2 || SYS_WIN32 || SYS_OS2_EMX
char save_wd[MAXPATHLEN];
#endif
/*
* When scanning a directory, we first chdir to it, mostly to make
* the scan+stat work faster, but also because some systems don't
* scan properly otherwise.
*
* MSDOS and OS/2 are a little more complicated, because each drive
* has its own current directory.
*/
#if SYS_MSDOS || SYS_OS2 || SYS_WIN32 || SYS_OS2_EMX
(void) strcpy(save_wd, dot);
if (!strcmp(".", path)) {
path = dot;
} else if (!same_drive(dot, path)) {
if (!set_drive(path))
return;
getwd(save_wd);
}
#endif
if (v_opt > 2)
printf("ScanConflicts \"%s\"\n", path);
if (set_directory(path)
&& (dp = opendir(path)) != NULL) {
while ((de = readdir(dp)) != NULL) {
register
type_t ok = 0;
int found = FALSE;
char buffer[MAXPATHLEN];
char *the_name;
char *the_NAME;
if (do_blips)
blip('.');
(void) sprintf(buffer, "%.*s", (int) NAMLEN(de), de->d_name);
the_name = MakeString(DOS_upper(buffer));
the_NAME = ToCompare(the_name);
/* If arguments are given, restrict search to them */
if (argc > optind) {
for (j = optind; j < argc; j++) {
if (SameName(argv[j], the_name)) {
found = TRUE;
break;
}
}
if (!found)
continue;
}
/* Verify that the name is a file, and executable */
if (stat(the_name, &sb) < 0)
continue;
if ((sb.st_mode & S_IFMT) != S_IFREG)
continue;
#if SYS_UNIX || SYS_OS2 || SYS_OS2_EMX
if (access(the_name, acc_mask) < 0)
continue;
ok = 1;
#endif
if (FileTypes != 0) {
if ((ok = LookupType(the_name)) == 0)
continue;
}
/* Find the name in our array of all names */
found = FALSE;
for (k = 0; k < total; k++) {
if (SameName(inpath[k].ip_NAME, the_NAME)) {
FoundNode(&inpath[k], inx);
found = TRUE;
break;
}
}
/* If not there, add it */
if (found) {
if (the_NAME != the_name) {
FreeString(the_NAME);
}
} else {
if (!(total & CHUNK)) {
size_t need = (((total * 3) / 2) | CHUNK) + 1;
if (inpath != 0)
inpath = TypeRealloc(INPATH, inpath, need);
else
inpath = TypeAlloc(INPATH, need);
}
j = (int) total++;
inpath[j].ip_name = the_name;
inpath[j].ip_NAME = the_NAME;
inpath[j].node = TypeAlloc(NODE, path_len);
FoundNode(&inpath[j], inx);
}
if (v_opt > 2) {
(void) printf("%c %s%c%s\n",
found ? '+' : '*',
path, PATHNAME_SEP, buffer);
}
}
(void) closedir(dp);
}
#if SYS_MSDOS || SYS_OS2 || SYS_WIN32 || SYS_OS2_EMX
if (strcmp(dot, save_wd)) {
chdir(save_wd);
}
#endif
(void) set_directory(dot);
}
/*
Type * ParseIntRange(Type * type)
{
Var * min, * max;
Bookmark bookmark;
bookmark = SetBookmark();
ParseExpressionType(TypeType(NULL));
if (TOK && TOP != 0) {
min = BufPop();
max = NULL;
if (NextIs(TOKEN_DOTDOT)) {
ExpectExpression(NULL);
if (TOK) {
max = BufPop();
type = TypeDerive(type);
}
}
if (VarIsIntConst(min) && VarIsIntConst(max)) {
type = TypeAllocRange(min, max);
if (type->range.min > type->range.max) {
SyntaxErrorBmk("range minimum bigger than maximum", bookmark);
}
} else {
SyntaxErrorBmk("expected type constant expression", bookmark);
}
}
return type;
}
*/
Type * ParseType2(InstrOp mode)
/*
Purpose:
Parse: <int> [".." <int>] | <var> | proc <VarList>
Input:
mode Type of variable for which we parse.
*/
{
Var * var;
Type * type = NULL, * variant_type = NULL;
Var * min, * max;
Bookmark bookmark;
next:
type = ParseType3();
if (!TOK) return NULL;
if (type == NULL) {
bookmark = SetBookmark();
ParseExpressionType(TypeType(NULL));
if (TOK && TOP != 0) {
min = BufPop();
max = NULL;
if (NextIs(TOKEN_DOTDOT)) {
ExpectExpression(NULL);
if (TOK) {
max = BufPop();
}
}
type = NULL;
if (max == NULL) {
var = min;
if (var->mode == INSTR_TYPE) {
type = var->type;
} else if (var->mode == INSTR_VAR && var->type->variant == TYPE_TYPE) {
type = var->type_value;
SetFlagOn(var->submode, SUBMODE_USED_AS_TYPE);
}
// This is directly type
if (type != NULL) {
// For integer type, constants may be defined
if (type->variant == TYPE_INT) {
// type = ParseIntRange(type);
goto const_list;
}
goto done;
}
max = var;
}
if (VarIsIntConst(min) && VarIsIntConst(max)) {
type = TypeAllocRange(min, max);
if (type->range.min > type->range.max) {
SyntaxErrorBmk("range minimum bigger than maximum", bookmark);
}
} else {
SyntaxErrorBmk("expected type constant expression", bookmark);
}
} else if (TOK == TOKEN_STRING) {
type = TypeAlloc(TYPE_VAR);
type->typevar = VarNewStr(NAME);
NextToken();
}
}
const_list:
// Parse type specific constants
// There can be list of constants specified in block.
// First thing in the block must be an identifier, so we try to open the block with this in mind.
// We try to parse constants only for integer types (in future, we may try other numberic or string types)
if (type != NULL && type->variant == TYPE_INT && !type->is_enum) {
if (TOK != TOKEN_OR) {
type = ParseConstList(type);
}
}
done:
if (TOK) {
if (variant_type != NULL) {
variant_type->right = type;
type = variant_type;
}
if (NextIs(TOKEN_OR)) {
variant_type = TypeAlloc(TYPE_VARIANT);
variant_type->left = type;
goto next;
}
}
return type;
}
Type * ParseType3()
{
Type * type = NULL, * variant_type = NULL;
Type * elmt, * t;
Var * var;
BigInt * st;
//# "type" restrict_type
if (NextIs(TOKEN_TYPE2)) {
variant_type = ParseType2(INSTR_VAR);
type = TypeType(variant_type);
//# "enum" ["struct"]
} else if (NextIs(TOKEN_ENUM)) {
type = TypeAlloc(TYPE_INT);
type->range.flexible = true;
type->is_enum = true;
if (NextIs(TOKEN_STRUCT)) {
ParseEnumStruct(type);
} else {
type = ParseConstList(type);
}
//# "proc" args
} else if (NextIs(TOKEN_PROC)) {
type = TypeAlloc(TYPE_PROC);
ParseArgList(SUBMODE_ARG_IN, type);
if (TOK) {
ProcTypeFinalize(type);
}
//# "macro" args
} else if (NextIs(TOKEN_MACRO)) {
type = TypeAlloc(TYPE_MACRO);
ParseArgList(SUBMODE_ARG_IN, type);
// Struct
} else if (NextIs(TOKEN_STRUCT)) {
type = TypeAlloc(TYPE_STRUCT);
ParseArgList(SUBMODE_EMPTY, type);
// String
} else if (NextIs(TOKEN_STRING_TYPE)) {
type = TypeAlloc(TYPE_STRING);
// Array
} else if (NextIs(TOKEN_ARRAY)) {
type = TypeAlloc(TYPE_ARRAY);
t = NULL;
if (TOK == TOKEN_OPEN_P) {
EnterBlockWithStop(TOKEN_EQUAL);
while (TOK != TOKEN_ERROR && !NextIs(TOKEN_BLOCK_END)) {
elmt = ParseIntType();
if (type->index == NULL) {
type->index = elmt;
} else if (t != NULL) {
t->right = TypeTuple(t->right, elmt);
t = t->right;
} else {
t = TypeTuple(type->index, elmt);
type->index = t;
}
NextIs(TOKEN_COMMA);
};
}
// If no dimension has been defined, use flexible array.
// This is possible only for constants now.
if (TOK) {
if (type->index == NULL) {
elmt = TypeAlloc(TYPE_INT);
elmt->range.flexible = true;
elmt->range.min = 0;
type->index = elmt;
}
}
// Element STEP may be defined
if (TOK) {
if (NextIs(TOKEN_STEP)) {
ExpectExpression(NULL);
if (TOK) {
var = STACK[0];
st = VarIntConst(var);
if (st != NULL) {
type->step = IntN(st);
} else {
SyntaxError("Expected integer constant");
}
}
}
}
if (TOK) {
if (NextIs(TOKEN_OF)) {
type->element = ParseSubtype();
} else {
type->element = TypeByte();
}
}
if (TOK) {
if (type->step == 0) {
type->step = TypeSize(type->element);
}
}
} else if (NextIs(TOKEN_ADR2)) {
elmt = NULL;
if (NextIs(TOKEN_OF)) {
elmt = ParseSubtype();
}
type = TypeAdrOf(elmt);
}
return type;
}
