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compiler/bootstrap/unix-48/Modules.c
Norayr Chilingarian 7fb61a066b now "NIL access" error in Modules.Mod indeed works.
2024-04-13 04:14:18 +04:00

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/* voc 2.1.0 [2024/04/13]. Bootstrapping compiler for address size 8, alignment 8. xrtspaSF */
#define SHORTINT INT8
#define INTEGER INT16
#define LONGINT INT32
#define SET UINT32
#include "SYSTEM.h"
#include "Heap.h"
#include "Platform.h"
export INT16 Modules_res;
export CHAR Modules_resMsg[256];
export Heap_ModuleName Modules_imported, Modules_importing;
export INT32 Modules_MainStackFrame;
export INT16 Modules_ArgCount;
export INT32 Modules_ArgVector;
export CHAR Modules_BinaryDir[1024];
static void Modules_Append (CHAR *s, ADDRESS s__len, CHAR *d, ADDRESS d__len);
static void Modules_AppendPart (CHAR c, CHAR *s, ADDRESS s__len, CHAR *d, ADDRESS d__len);
export INT16 Modules_ArgPos (CHAR *s, ADDRESS s__len);
export void Modules_AssertFail (INT32 code);
static void Modules_Canonify (CHAR *s, ADDRESS s__len, CHAR *d, ADDRESS d__len);
static INT16 Modules_CharCount (CHAR *s, ADDRESS s__len);
static void Modules_DisplayHaltCode (INT32 code);
static void Modules_ExtractPart (CHAR *s, ADDRESS s__len, INT16 *i, CHAR *p, ADDRESS p__len, CHAR *d, ADDRESS d__len);
static void Modules_FindBinaryDir (CHAR *binarydir, ADDRESS binarydir__len);
export void Modules_Free (CHAR *name, ADDRESS name__len, BOOLEAN all);
export void Modules_GetArg (INT16 n, CHAR *val, ADDRESS val__len);
export void Modules_GetIntArg (INT16 n, INT32 *val);
export void Modules_Halt (INT32 code);
export void Modules_Init (INT32 argc, INT32 argvadr);
static BOOLEAN Modules_IsAbsolute (CHAR *d, ADDRESS d__len);
static BOOLEAN Modules_IsFilePresent (CHAR *s, ADDRESS s__len);
static BOOLEAN Modules_IsOneOf (CHAR c, CHAR *s, ADDRESS s__len);
export Heap_Command Modules_ThisCommand (Heap_Module mod, CHAR *name, ADDRESS name__len);
export Heap_Module Modules_ThisMod (CHAR *name, ADDRESS name__len);
static void Modules_Trim (CHAR *s, ADDRESS s__len, CHAR *d, ADDRESS d__len);
static void Modules_errch (CHAR c);
static void Modules_errint (INT32 l);
static void Modules_errstring (CHAR *s, ADDRESS s__len);
extern void Heap_InitHeap();
extern void *Modules__init(void);
#define Modules_InitHeap() Heap_InitHeap()
#define Modules_ModulesInit() Modules__init()
#define Modules_modules() (Heap_Module)Heap_modules
void Modules_Init (INT32 argc, INT32 argvadr)
{
Modules_MainStackFrame = argvadr;
Modules_ArgCount = __VAL(INT16, argc);
__GET(argvadr, Modules_ArgVector, INT32);
Modules_InitHeap();
Modules_ModulesInit();
}
typedef
CHAR (*argptr__15)[1024];
void Modules_GetArg (INT16 n, CHAR *val, ADDRESS val__len)
{
argptr__15 arg = NIL;
if (n < Modules_ArgCount) {
__GET(Modules_ArgVector + __ASHL(n, 2), arg, argptr__15);
__COPY(*arg, val, val__len);
}
}
void Modules_GetIntArg (INT16 n, INT32 *val)
{
CHAR s[64];
INT32 k, d, i;
s[0] = 0x00;
Modules_GetArg(n, (void*)s, 64);
i = 0;
if (s[0] == '-') {
i = 1;
}
k = 0;
d = (INT16)s[__X(i, 64)] - 48;
while ((d >= 0 && d <= 9)) {
k = k * 10 + d;
i += 1;
d = (INT16)s[__X(i, 64)] - 48;
}
if (s[0] == '-') {
k = -k;
i -= 1;
}
if (i > 0) {
*val = k;
}
}
INT16 Modules_ArgPos (CHAR *s, ADDRESS s__len)
{
INT16 i;
CHAR arg[256];
__DUP(s, s__len, CHAR);
i = 0;
Modules_GetArg(i, (void*)arg, 256);
while ((i < Modules_ArgCount && __STRCMP(s, arg) != 0)) {
i += 1;
Modules_GetArg(i, (void*)arg, 256);
}
__DEL(s);
return i;
}
static INT16 Modules_CharCount (CHAR *s, ADDRESS s__len)
{
INT16 i;
__DUP(s, s__len, CHAR);
i = 0;
while ((i < s__len && s[__X(i, s__len)] != 0x00)) {
i += 1;
}
__DEL(s);
return i;
}
static void Modules_Append (CHAR *s, ADDRESS s__len, CHAR *d, ADDRESS d__len)
{
INT16 i, j;
__DUP(s, s__len, CHAR);
i = 0;
j = Modules_CharCount(d, d__len);
while (s[__X(i, s__len)] != 0x00) {
d[__X(j, d__len)] = s[__X(i, s__len)];
i += 1;
j += 1;
}
d[__X(j, d__len)] = 0x00;
__DEL(s);
}
static void Modules_AppendPart (CHAR c, CHAR *s, ADDRESS s__len, CHAR *d, ADDRESS d__len)
{
INT16 i, j;
__DUP(s, s__len, CHAR);
i = 0;
j = Modules_CharCount(d, d__len);
if ((j > 0 && d[__X(j - 1, d__len)] != c)) {
d[__X(j, d__len)] = c;
j += 1;
}
while (s[__X(i, s__len)] != 0x00) {
d[__X(j, d__len)] = s[__X(i, s__len)];
i += 1;
j += 1;
}
d[__X(j, d__len)] = 0x00;
__DEL(s);
}
static BOOLEAN Modules_IsOneOf (CHAR c, CHAR *s, ADDRESS s__len)
{
INT16 i;
__DUP(s, s__len, CHAR);
if (c == 0x00) {
__DEL(s);
return 0;
}
i = 0;
while ((s[__X(i, s__len)] != c && s[__X(i, s__len)] != 0x00)) {
i += 1;
}
__DEL(s);
return s[__X(i, s__len)] == c;
}
static BOOLEAN Modules_IsAbsolute (CHAR *d, ADDRESS d__len)
{
__DUP(d, d__len, CHAR);
if (d[0] == 0x00) {
__DEL(d);
return 0;
}
if (Modules_IsOneOf(d[0], (CHAR*)"/\\", 3)) {
__DEL(d);
return 1;
}
if (d[__X(1, d__len)] == ':') {
__DEL(d);
return 1;
}
__DEL(d);
return 0;
}
static void Modules_Canonify (CHAR *s, ADDRESS s__len, CHAR *d, ADDRESS d__len)
{
__DUP(s, s__len, CHAR);
if (Modules_IsAbsolute(s, s__len)) {
__COPY(s, d, d__len);
} else {
__COPY(Platform_CWD, d, d__len);
Modules_AppendPart('/', s, s__len, (void*)d, d__len);
}
__DEL(s);
}
static BOOLEAN Modules_IsFilePresent (CHAR *s, ADDRESS s__len)
{
Platform_FileIdentity identity;
__DUP(s, s__len, CHAR);
__DEL(s);
return Platform_IdentifyByName(s, s__len, &identity, Platform_FileIdentity__typ) == 0;
}
static void Modules_ExtractPart (CHAR *s, ADDRESS s__len, INT16 *i, CHAR *p, ADDRESS p__len, CHAR *d, ADDRESS d__len)
{
INT16 j;
__DUP(s, s__len, CHAR);
__DUP(p, p__len, CHAR);
j = 0;
while ((s[__X(*i, s__len)] != 0x00 && !Modules_IsOneOf(s[__X(*i, s__len)], p, p__len))) {
d[__X(j, d__len)] = s[__X(*i, s__len)];
*i += 1;
j += 1;
}
d[__X(j, d__len)] = 0x00;
while (Modules_IsOneOf(s[__X(*i, s__len)], p, p__len)) {
*i += 1;
}
__DEL(s);
__DEL(p);
}
static void Modules_Trim (CHAR *s, ADDRESS s__len, CHAR *d, ADDRESS d__len)
{
INT16 i, j;
CHAR part[1024];
__DUP(s, s__len, CHAR);
i = 0;
j = 0;
while ((i < 2 && Modules_IsOneOf(s[__X(i, s__len)], (CHAR*)"/\\", 3))) {
i += 1;
d[__X(j, d__len)] = '/';
j += 1;
}
d[__X(j, d__len)] = 0x00;
while (s[__X(i, s__len)] != 0x00) {
Modules_ExtractPart(s, s__len, &i, (CHAR*)"/\\", 3, (void*)part, 1024);
if ((part[0] != 0x00 && __STRCMP(part, ".") != 0)) {
Modules_AppendPart('/', part, 1024, (void*)d, d__len);
}
}
__DEL(s);
}
typedef
CHAR pathstring__12[4096];
static void Modules_FindBinaryDir (CHAR *binarydir, ADDRESS binarydir__len)
{
pathstring__12 arg0, pathlist, pathdir, tempstr;
INT16 i, j, k;
BOOLEAN present;
if (Modules_ArgCount < 1) {
binarydir[0] = 0x00;
return;
}
Modules_GetArg(0, (void*)arg0, 4096);
i = 0;
while ((((arg0[__X(i, 4096)] != 0x00 && arg0[__X(i, 4096)] != '/')) && arg0[__X(i, 4096)] != '\\')) {
i += 1;
}
if (arg0[__X(i, 4096)] == '/' || arg0[__X(i, 4096)] == '\\') {
Modules_Trim(arg0, 4096, (void*)tempstr, 4096);
Modules_Canonify(tempstr, 4096, (void*)binarydir, binarydir__len);
present = Modules_IsFilePresent(binarydir, binarydir__len);
} else {
Platform_GetEnv((CHAR*)"PATH", 5, (void*)pathlist, 4096);
i = 0;
present = 0;
while ((!present && pathlist[__X(i, 4096)] != 0x00)) {
Modules_ExtractPart(pathlist, 4096, &i, (CHAR*)":;", 3, (void*)pathdir, 4096);
Modules_AppendPart('/', arg0, 4096, (void*)pathdir, 4096);
Modules_Trim(pathdir, 4096, (void*)tempstr, 4096);
Modules_Canonify(tempstr, 4096, (void*)binarydir, binarydir__len);
present = Modules_IsFilePresent(binarydir, binarydir__len);
}
}
if (present) {
k = Modules_CharCount(binarydir, binarydir__len);
while ((k > 0 && !Modules_IsOneOf(binarydir[__X(k - 1, binarydir__len)], (CHAR*)"/\\", 3))) {
k -= 1;
}
if (k == 0) {
binarydir[__X(k, binarydir__len)] = 0x00;
} else {
binarydir[__X(k - 1, binarydir__len)] = 0x00;
}
} else {
binarydir[0] = 0x00;
}
}
Heap_Module Modules_ThisMod (CHAR *name, ADDRESS name__len)
{
Heap_Module m = NIL;
CHAR bodyname[64];
Heap_Command body;
__DUP(name, name__len, CHAR);
m = Modules_modules();
while ((m != NIL && __STRCMP(m->name, name) != 0)) {
m = m->next;
}
if (m != NIL) {
Modules_res = 0;
Modules_resMsg[0] = 0x00;
} else {
Modules_res = 1;
__COPY(name, Modules_importing, 20);
__MOVE(" module \"", Modules_resMsg, 10);
Modules_Append(name, name__len, (void*)Modules_resMsg, 256);
Modules_Append((CHAR*)"\" not found", 12, (void*)Modules_resMsg, 256);
}
__DEL(name);
return m;
}
Heap_Command Modules_ThisCommand (Heap_Module mod, CHAR *name, ADDRESS name__len)
{
Heap_Cmd c = NIL;
__DUP(name, name__len, CHAR);
c = mod->cmds;
while ((c != NIL && __STRCMP(c->name, name) != 0)) {
c = c->next;
}
if (c != NIL) {
Modules_res = 0;
Modules_resMsg[0] = 0x00;
__DEL(name);
return c->cmd;
} else {
Modules_res = 2;
__MOVE(" command \"", Modules_resMsg, 11);
__COPY(name, Modules_importing, 20);
Modules_Append(mod->name, 20, (void*)Modules_resMsg, 256);
Modules_Append((CHAR*)".", 2, (void*)Modules_resMsg, 256);
Modules_Append(name, name__len, (void*)Modules_resMsg, 256);
Modules_Append((CHAR*)"\" not found", 12, (void*)Modules_resMsg, 256);
__DEL(name);
return NIL;
}
__RETCHK;
}
void Modules_Free (CHAR *name, ADDRESS name__len, BOOLEAN all)
{
Heap_Module m = NIL, p = NIL;
INT32 refcount;
__DUP(name, name__len, CHAR);
m = Modules_modules();
if (all) {
Modules_res = 1;
__MOVE("unloading \"all\" not yet supported", Modules_resMsg, 34);
} else {
refcount = Heap_FreeModule(name, name__len);
if (refcount == 0) {
Modules_res = 0;
} else {
if (refcount < 0) {
__MOVE("module not found", Modules_resMsg, 17);
} else {
__MOVE("clients of this module exist", Modules_resMsg, 29);
}
Modules_res = 1;
}
}
__DEL(name);
}
static void Modules_errch (CHAR c)
{
INT16 e;
e = Platform_Write(1, (ADDRESS)&c, 1);
}
static void Modules_errstring (CHAR *s, ADDRESS s__len)
{
INT32 i;
__DUP(s, s__len, CHAR);
i = 0;
while ((i < s__len && s[__X(i, s__len)] != 0x00)) {
Modules_errch(s[__X(i, s__len)]);
i += 1;
}
__DEL(s);
}
static void Modules_errint (INT32 l)
{
if (l < 0) {
Modules_errch('-');
l = -l;
}
if (l >= 10) {
Modules_errint(__DIV(l, 10));
}
Modules_errch(__CHR((int)__MOD(l, 10) + 48));
}
static void Modules_DisplayHaltCode (INT32 code)
{
switch (code) {
case -1:
Modules_errstring((CHAR*)"Assertion failure.", 19);
break;
case -2:
Modules_errstring((CHAR*)"Index out of range.", 20);
break;
case -3:
Modules_errstring((CHAR*)"Reached end of function without reaching RETURN.", 49);
break;
case -4:
Modules_errstring((CHAR*)"CASE statement: no matching label and no ELSE.", 47);
break;
case -5:
Modules_errstring((CHAR*)"Type guard failed.", 19);
break;
case -6:
Modules_errstring((CHAR*)"Implicit type guard in record assignment failed.", 49);
break;
case -7:
Modules_errstring((CHAR*)"Invalid case in WITH statement.", 32);
break;
case -8:
Modules_errstring((CHAR*)"Value out of range.", 20);
break;
case -9:
Modules_errstring((CHAR*)"Heap interrupted while locked, but lockdepth = 0 at unlock.", 60);
break;
case -10:
Modules_errstring((CHAR*)"NIL access.", 12);
break;
case -11:
Modules_errstring((CHAR*)"Alignment error.", 17);
break;
case -12:
Modules_errstring((CHAR*)"Divide by zero.", 16);
break;
case -13:
Modules_errstring((CHAR*)"Arithmetic overflow/underflow.", 31);
break;
case -14:
Modules_errstring((CHAR*)"Invalid function argument.", 27);
break;
case -15:
Modules_errstring((CHAR*)"Internal error, e.g. Type descriptor size mismatch.", 52);
break;
case -20:
Modules_errstring((CHAR*)"Too many, or negative number of, elements in dynamic array.", 60);
break;
default:
break;
}
}
void Modules_Halt (INT32 code)
{
Heap_FINALL();
Modules_errstring((CHAR*)"Terminated by Halt(", 20);
Modules_errint(code);
Modules_errstring((CHAR*)"). ", 4);
if (code < 0) {
Modules_DisplayHaltCode(code);
}
Modules_errstring(Platform_NL, 3);
Platform_Exit(code);
}
void Modules_AssertFail (INT32 code)
{
Heap_FINALL();
Modules_errstring((CHAR*)"Assertion failure.", 19);
if (code != 0) {
Modules_errstring((CHAR*)" ASSERT code ", 14);
Modules_errint(code);
Modules_errstring((CHAR*)".", 2);
}
Modules_errstring(Platform_NL, 3);
if (code > 0) {
Platform_Exit(code);
} else {
Platform_Exit(-1);
}
}
export void *Modules__init(void)
{
__DEFMOD;
__MODULE_IMPORT(Heap);
__MODULE_IMPORT(Platform);
__REGMOD("Modules", 0);
/* BEGIN */
Modules_FindBinaryDir((void*)Modules_BinaryDir, 1024);
__ENDMOD;
}
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