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compiler/bootstrap/unix-44/Modules.c
David Brown 610cc38efa Update C bootstrap source.
2016-11-24 13:06:00 +00:00

288 lines
6.9 KiB
C
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/* voc 1.95 [2016/11/24]. Bootstrapping compiler for address size 8, alignment 8. xtspaSF */
#define SHORTINT INT8
#define INTEGER INT16
#define LONGINT INT32
#define SET UINT32
#include "SYSTEM.h"
#include "Heap.h"
#include "Platform.h"
typedef
struct Modules_CmdDesc *Modules_Cmd;
typedef
void (*Modules_Command)(void);
typedef
struct Modules_CmdDesc {
Modules_Cmd next;
CHAR name[24];
Modules_Command cmd;
} Modules_CmdDesc;
typedef
struct Modules_ModuleDesc *Modules_Module;
typedef
CHAR Modules_ModuleName[20];
typedef
struct Modules_ModuleDesc {
Modules_Module next;
Modules_ModuleName name;
INT32 refcnt;
Modules_Cmd cmds;
INT32 types;
void (*enumPtrs)(void(*)(INT32));
INT32 reserved1, reserved2;
} Modules_ModuleDesc;
export INT16 Modules_res;
export CHAR Modules_resMsg[256];
export Modules_ModuleName Modules_imported, Modules_importing;
export ADDRESS *Modules_ModuleDesc__typ;
export ADDRESS *Modules_CmdDesc__typ;
static void Modules_Append (CHAR *a, LONGINT a__len, CHAR *b, LONGINT b__len);
export void Modules_AssertFail (INT32 code);
static void Modules_DisplayHaltCode (INT32 code);
export void Modules_Free (CHAR *name, LONGINT name__len, BOOLEAN all);
export void Modules_Halt (INT32 code);
export Modules_Command Modules_ThisCommand (Modules_Module mod, CHAR *name, LONGINT name__len);
export Modules_Module Modules_ThisMod (CHAR *name, LONGINT name__len);
static void Modules_errch (CHAR c);
static void Modules_errint (INT32 l);
static void Modules_errstring (CHAR *s, LONGINT s__len);
#define Modules_modules() (Modules_Module)Heap_modules
#define Modules_setmodules(m) Heap_modules = m
static void Modules_Append (CHAR *a, LONGINT a__len, CHAR *b, LONGINT b__len)
{
INT16 i, j;
__DUP(b, b__len, CHAR);
i = 0;
while (a[__X(i, a__len)] != 0x00) {
i += 1;
}
j = 0;
while (b[__X(j, b__len)] != 0x00) {
a[__X(i, a__len)] = b[__X(j, b__len)];
i += 1;
j += 1;
}
a[__X(i, a__len)] = 0x00;
__DEL(b);
}
Modules_Module Modules_ThisMod (CHAR *name, LONGINT name__len)
{
Modules_Module m = NIL;
CHAR bodyname[64];
Modules_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((void*)Modules_resMsg, 256, name, name__len);
Modules_Append((void*)Modules_resMsg, 256, (CHAR*)"\" not found", 12);
}
__DEL(name);
return m;
}
Modules_Command Modules_ThisCommand (Modules_Module mod, CHAR *name, LONGINT name__len)
{
Modules_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((void*)Modules_resMsg, 256, mod->name, 20);
Modules_Append((void*)Modules_resMsg, 256, (CHAR*)".", 2);
Modules_Append((void*)Modules_resMsg, 256, name, name__len);
Modules_Append((void*)Modules_resMsg, 256, (CHAR*)"\" not found", 12);
__DEL(name);
return NIL;
}
__RETCHK;
}
void Modules_Free (CHAR *name, LONGINT name__len, BOOLEAN all)
{
Modules_Module m = NIL, p = NIL;
__DUP(name, name__len, CHAR);
m = Modules_modules();
if (all) {
Modules_res = 1;
__MOVE("unloading \"all\" not yet supported", Modules_resMsg, 34);
} else {
while ((m != NIL && __STRCMP(m->name, name) != 0)) {
p = m;
m = m->next;
}
if ((m != NIL && m->refcnt == 0)) {
if (m == Modules_modules()) {
Modules_setmodules(m->next);
} else {
p->next = m->next;
}
Modules_res = 0;
} else {
Modules_res = 1;
if (m == NIL) {
__MOVE("module not found", Modules_resMsg, 17);
} else {
__MOVE("clients of this module exist", Modules_resMsg, 29);
}
}
}
__DEL(name);
}
static void Modules_errch (CHAR c)
{
INT16 e;
e = Platform_Write(1, (ADDRESS)&c, 1);
}
static void Modules_errstring (CHAR *s, LONGINT 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((CHAR)((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)
{
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)
{
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);
Platform_Exit(code);
}
__TDESC(Modules_ModuleDesc, 1, 2) = {__TDFLDS("ModuleDesc", 48), {0, 28, -12}};
__TDESC(Modules_CmdDesc, 1, 1) = {__TDFLDS("CmdDesc", 32), {0, -8}};
export void *Modules__init(void)
{
__DEFMOD;
__MODULE_IMPORT(Heap);
__MODULE_IMPORT(Platform);
__REGMOD("Modules", 0);
__INITYP(Modules_ModuleDesc, Modules_ModuleDesc, 0);
__INITYP(Modules_CmdDesc, Modules_CmdDesc, 0);
/* BEGIN */
__ENDMOD;
}
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