mirror of
https://github.com/vishapoberon/compiler.git
synced 2026-04-06 12:12:25 +00:00
Reorganise system and runtime library modules for both O2 and OC builds.
This commit is contained in:
David Brown
parent
c924a33a05
commit
c2567a2600
223 changed files with 1521 additions and 4039 deletions
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@ -19,7 +19,7 @@ BEGIN
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error := Platform.Write(Platform.StdOut, SYSTEM.ADR(str), l)
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END String;
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PROCEDURE Int*(x: HUGEINT; n: LONGINT);
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PROCEDURE Int*(x, n: HUGEINT);
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CONST zero = ORD('0');
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VAR s: ARRAY 22 OF CHAR; i: INTEGER; negative: BOOLEAN;
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BEGIN
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@ -389,7 +389,7 @@ END ReadBuf;
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PROCEDURE -writefile(fd: LONGINT; p: SYSTEM.ADDRESS; l: LONGINT): SYSTEM.ADDRESS
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PROCEDURE -writefile(fd: LONGINT; p: SYSTEM.ADDRESS; l: SYSTEM.ADDRESS): SYSTEM.ADDRESS
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"write(fd, (void*)(address)(p), l)";
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PROCEDURE Write*(h: FileHandle; p: SYSTEM.ADDRESS; l: LONGINT): ErrorCode;
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219
src/runtime/SYSTEM.c
Normal file
219
src/runtime/SYSTEM.c
Normal file
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@ -0,0 +1,219 @@
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/*
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* The body prefix file of the voc(jet backend) runtime system, Version 1.0
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*
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* Copyright (c) Software Templ, 1994, 1995
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*
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* Module SYSTEM is subject to change any time without prior notification.
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* Software Templ disclaims all warranties with regard to module SYSTEM,
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* in particular shall Software Templ not be liable for any damage resulting
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* from inappropriate use or modification of module SYSTEM.
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*
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* Version 1.1 jt, 24.11.95 fixes for correct pointer arithmetic on Cray computers
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* jt 31.1.2007 ANSI prototypes for malloc and exit in order to avoid cc warnings
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*
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*/
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#include "SYSTEM.h"
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#include "stdarg.h"
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#include <signal.h>
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// Procedure verions of SYSTEM.H versions used when a multiply accessed
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// parameter has side effects.
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int64 SYSTEM_DIV(int64 x, int64 y)
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{
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if (x == 0) return 0;
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if (x >= 0)
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if (y >= 0) {return x/y;}
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else {return -((x-y-1)/(-y));}
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else
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if (y >= 0) {return -((y-x-1)/y);}
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else {return (-x)/(-y);}
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}
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int64 SYSTEM_MOD(int64 x, int64 y)
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{
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if (x == 0) return 0;
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if (x >= 0)
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if (y >= 0) {return x % y;}
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else {return (y+1) + ((x-1) % (-y));}
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else
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if (y >= 0) {return (y-1) - ((-x-1) % y);}
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else {return -((-x) % (-y));}
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}
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LONGINT SYSTEM_ENTIER(double x)
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{
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LONGINT y;
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if (x >= 0)
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return (LONGINT)x;
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else {
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y = (LONGINT)x;
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if (y <= x) return y; else return y - 1;
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}
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}
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void SYSTEM_INHERIT(address *t, address *t0)
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{
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t -= __TPROC0OFF;
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t0 -= __TPROC0OFF;
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while (*t0 != __EOM) {*t = *t0; t--; t0--;}
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}
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void SYSTEM_ENUMP(void *adr, address n, void (*P)())
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{
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while (n > 0) {
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P((address)(*((void**)(adr))));
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adr = ((void**)adr) + 1;
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n--;
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}
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}
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void SYSTEM_ENUMR(void *adr, address *typ, address size, address n, void (*P)())
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{
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address *t, off;
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typ++;
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while (n > 0) {
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t = typ;
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off = *t;
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while (off >= 0) {P(*(address*)((char*)adr+off)); t++; off = *t;}
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adr = ((char*)adr) + size;
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n--;
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}
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}
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extern void Heap_Lock();
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extern void Heap_Unlock();
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SYSTEM_PTR SYSTEM_NEWARR(address *typ, address elemsz, int elemalgn, int nofdim, int nofdyn, ...)
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{
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address nofelems, size, dataoff, n, nptr, *x, *p, nofptrs, i, *ptab, off;
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va_list ap;
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va_start(ap, nofdyn);
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nofelems = 1;
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while (nofdim > 0) {
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nofelems = nofelems * va_arg(ap, address); nofdim--;
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if (nofelems <= 0) __HALT(-20);
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}
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va_end(ap);
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dataoff = nofdyn * sizeof(address);
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if (elemalgn > sizeof(address)) {
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n = dataoff % elemalgn;
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if (n != 0) dataoff += elemalgn - n;
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}
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size = dataoff + nofelems * elemsz;
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Heap_Lock();
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if (typ == NIL) {
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/* element typ does not contain pointers */
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x = Heap_NEWBLK(size);
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}
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else if (typ == (address*)POINTER__typ) {
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/* element type is a pointer */
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x = Heap_NEWBLK(size + nofelems * sizeof(address));
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p = (address*)(address)x[-1];
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p[-nofelems] = *p; /* build new type desc in situ: 1. copy block size; 2. setup ptr tab; 3. set sentinel; 4. patch tag */
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p -= nofelems - 1; n = 1; /* n =1 for skipping the size field */
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while (n <= nofelems) {*p = n*sizeof(address); p++; n++;}
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*p = - (nofelems + 1) * sizeof(address); /* sentinel */
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x[-1] -= nofelems * sizeof(address);
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}
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else {
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/* element type is a record that contains pointers */
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ptab = typ + 1; nofptrs = 0;
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while (ptab[nofptrs] >= 0) {nofptrs++;} /* number of pointers per element */
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nptr = nofelems * nofptrs; /* total number of pointers */
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x = Heap_NEWBLK(size + nptr * sizeof(address));
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p = (address*)(address)x[- 1];
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p[-nptr] = *p; /* build new type desc in situ; 1. copy block size; 2. setup ptr tab; 3. set sentinel; 4. patch tag */
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p -= nptr - 1; n = 0; off = dataoff;
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while (n < nofelems) {i = 0;
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while (i < nofptrs) {*p = off + ptab[i]; p++; i++;}
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off += elemsz; n++;
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}
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*p = - (nptr + 1) * sizeof(address); /* sentinel */
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x[-1] -= nptr * sizeof(address);
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}
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if (nofdyn != 0) {
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/* setup len vector for index checks */
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va_start(ap, nofdyn);
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p = x;
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while (nofdyn > 0) {*p = va_arg(ap, address); p++, nofdyn--;}
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va_end(ap);
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}
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Heap_Unlock();
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return x;
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}
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typedef void (*SystemSignalHandler)(INTEGER); // = Platform_SignalHandler
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#ifndef _WIN32
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SystemSignalHandler handler[3] = {0};
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// Provide signal handling for Unix based systems
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void signalHandler(int s) {
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if (s >= 2 && s <= 4) handler[s-2](s);
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// (Ignore other signals)
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}
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void SystemSetHandler(int s, address h) {
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if (s >= 2 && s <= 4) {
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int needtosetsystemhandler = handler[s-2] == 0;
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handler[s-2] = (SystemSignalHandler)h;
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if (needtosetsystemhandler) {signal(s, signalHandler);}
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}
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}
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#else
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// Provides Windows callback handlers for signal-like scenarios
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#include "WindowsWrapper.h"
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SystemSignalHandler SystemInterruptHandler = 0;
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SystemSignalHandler SystemQuitHandler = 0;
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BOOL ConsoleCtrlHandlerSet = FALSE;
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BOOL WINAPI SystemConsoleCtrlHandler(DWORD ctrlType) {
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if ((ctrlType == CTRL_C_EVENT) || (ctrlType == CTRL_BREAK_EVENT)) {
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if (SystemInterruptHandler) {
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SystemInterruptHandler(2); // SIGINT
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return TRUE;
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}
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} else { // Close, logoff or shutdown
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if (SystemQuitHandler) {
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SystemQuitHandler(3); // SIGQUIT
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return TRUE;
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}
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}
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return FALSE;
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}
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void EnsureConsoleCtrlHandler() {
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if (!ConsoleCtrlHandlerSet) {
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SetConsoleCtrlHandler(SystemConsoleCtrlHandler, TRUE);
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ConsoleCtrlHandlerSet = TRUE;
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}
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}
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void SystemSetInterruptHandler(address h) {
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EnsureConsoleCtrlHandler();
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SystemInterruptHandler = (SystemSignalHandler)h;
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}
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void SystemSetQuitHandler(address h) {
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EnsureConsoleCtrlHandler();
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SystemQuitHandler = (SystemSignalHandler)h;
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}
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#endif
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343
src/runtime/SYSTEM.h
Normal file
343
src/runtime/SYSTEM.h
Normal file
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@ -0,0 +1,343 @@
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#ifndef SYSTEM__h
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#define SYSTEM__h
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// 64 bit system detection
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#if (__SIZEOF_POINTER__ == 8) || defined (_LP64) || defined(__LP64__) || defined(_WIN64)
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#define __o_64
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#endif
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// Temporary while bootstrapping and clearing up SYSTEM.c.
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#ifndef LONGINT
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#if defined (__o_64)
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#define INTEGER int32
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#define LONGINT int64
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#define SET uint64
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#else
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#define INTEGER int16
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#define LONGINT int32
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#define SET uint32
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#endif
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#endif
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// Declare memcpy in a way compatible with C compilers intrinsic
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// built in implementations.
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#if defined (__o_64)
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#if defined(_WIN64)
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typedef unsigned long long size_t;
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#else
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typedef unsigned long size_t;
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#endif
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#else
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typedef unsigned int size_t;
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#endif
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#define _SIZE_T_DECLARED // For FreeBSD
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#define _SIZE_T_DEFINED_ // For OpenBSD
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void *memcpy(void *dest, const void *source, size_t size);
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// Declare fixed size versions of basic intger types
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#if defined (__o_64) && !defined(_WIN64)
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// LP64
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typedef long int64;
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typedef unsigned long uint64;
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#else
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// ILP32 or LLP64
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typedef long long int64;
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typedef unsigned long long uint64;
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#endif
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typedef int int32;
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typedef unsigned int uint32;
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typedef short int int16;
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typedef unsigned short int uint16;
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typedef signed char int8;
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typedef unsigned char uint8;
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// The compiler uses 'import' and 'export' which translate to 'extern' and
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// nothing respectively.
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#define import extern
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#define export
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// Known constants
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#define NIL ((void*)0)
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#define __MAXEXT 16
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#define POINTER__typ ((address*)(1)) // not NIL and not a valid type
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// Oberon types
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typedef int8 BOOLEAN;
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typedef int8 SYSTEM_BYTE;
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typedef uint8 CHAR;
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typedef float REAL;
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typedef double LONGREAL;
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typedef void* SYSTEM_PTR;
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// 'address' is a synonym for an int of pointer size
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#if defined (__o_64)
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#define address int64
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#else
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#define address int32
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#endif
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// ----------------------------------------------------------------------
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// ----------------------------------------------------------------------
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// OS Memory allocation interfaces are in PlatformXXX.Mod
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extern address Platform_OSAllocate (address size);
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extern void Platform_OSFree (address addr);
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// Assertions and Halts
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extern void Platform_Halt(LONGINT x);
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extern void Platform_AssertFail(LONGINT x);
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#define __HALT(x) Platform_Halt(x)
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#define __ASSERT(cond, x) if (!(cond)) Platform_AssertFail((LONGINT)(x))
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// Index checking
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static inline int64 __XF(uint64 i, uint64 ub) {if (i >= ub) {__HALT(-2);} return i;}
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#define __X(i, ub) (((i)<(ub))?i:(__HALT(-2),0))
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// Range checking, and checked SHORT and CHR functions
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static inline int64 __RF(uint64 i, uint64 ub) {if (i >= ub) {__HALT(-8);} return i;}
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#define __R(i, ub) (((i)<(ub))?i:(__HALT(-8),0))
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#define __SHORT(x, ub) ((int)((uLONGINT)(x)+(ub)<(ub)+(ub)?(x):(__HALT(-8),0)))
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#define __SHORTF(x, ub) ((int)(__RF((x)+(ub),(ub)+(ub))-(ub)))
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#define __CHR(x) ((CHAR)__R(x, 256))
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#define __CHRF(x) ((CHAR)__RF(x, 256))
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// Signal handling in SYSTEM.c
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#ifndef _WIN32
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extern void SystemSetHandler(int s, address h);
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#else
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extern void SystemSetInterruptHandler(address h);
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extern void SystemSetQuitHandler (address h);
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#endif
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// String comparison
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static inline int __str_cmp(CHAR *x, CHAR *y){
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LONGINT i = 0;
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CHAR ch1, ch2;
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do {ch1 = x[i]; ch2 = y[i]; i++;
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if (!ch1) return -(int)ch2;
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} while (ch1==ch2);
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return (int)ch1 - (int)ch2;
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}
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#define __STRCMP(a,b) __str_cmp((CHAR*)(a), (CHAR*)(b))
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// Inline string, record and array copy
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#define __COPY(s, d, n) {char*_a=(void*)s,*_b=(void*)d; LONGINT _i=0,_t=n-1; \
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while(_i<_t&&((_b[_i]=_a[_i])!=0)){_i++;};_b[_i]=0;}
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#define __DUP(x, l, t) x=(void*)memcpy((void*)Platform_OSAllocate(l*sizeof(t)),x,l*sizeof(t))
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#define __DUPARR(v, t) v=(void*)memcpy(v##__copy,v,sizeof(t))
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#define __DEL(x) Platform_OSFree((address)x)
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/* SYSTEM ops */
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#define __VAL(t, x) (*(t*)&(x))
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#define __GET(a, x, t) x=*(t*)(address)(a)
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#define __PUT(a, x, t) *(t*)(address)(a)=x
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#define __LSHL(x, n, s) ((int##s)((uint##s)(x)<<(n)))
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#define __LSHR(x, n, s) ((int##s)((uint##s)(x)>>(n)))
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#define __LSH(x, n, s) ((n)>=0? __LSHL(x, n, s): __LSHR(x, -(n), s))
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#define __ROTL(x, n, s) ((int##s)((uint##s)(x)<<(n)|(uint##s)(x)>>(s-(n))))
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#define __ROTR(x, n, s) ((int##s)((uint##s)(x)>>(n)|(uint##s)(x)<<(s-(n))))
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#define __ROT(x, n, s) ((n)>=0? __ROTL(x, n, s): __ROTR(x, -(n), s))
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#define __ASHL(x, n) ((int64)(x)<<(n))
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#define __ASHR(x, n) ((int64)(x)>>(n))
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#define __ASH(x, n) ((n)>=0?__ASHL(x,n):__ASHR(x,-(n)))
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static inline int64 SYSTEM_ASH(int64 x, int64 n) {return __ASH(x,n);}
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#define __ASHF(x, n) SYSTEM_ASH((int64)(x), (int64)(n))
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#define __MOVE(s, d, n) memcpy((char*)(address)(d),(char*)(address)(s),n)
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extern int64 SYSTEM_DIV(int64 x, int64 y);
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#define __DIVF(x, y) SYSTEM_DIV(x, y)
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#define __DIV(x, y) (((x)>0 && (y)>0) ? (x)/(y) : __DIVF(x, y))
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extern int64 SYSTEM_MOD(int64 x, int64 y);
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#define __MODF(x, y) SYSTEM_MOD(x, y)
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#define __MOD(x, y) (((x)>0 && (y)>0) ? (x)%(y) : __MODF(x, y))
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extern LONGINT SYSTEM_ENTIER (double x);
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#define __ENTIER(x) SYSTEM_ENTIER(x)
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#define __ABS(x) (((x)<0)?-(x):(x))
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static inline int32 SYSTEM_ABS64(int64 i) {return i >= 0 ? i : -i;}
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static inline int64 SYSTEM_ABS32(int32 i) {return i >= 0 ? i : -i;}
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#define __ABSF(x) ((sizeof(x) <= 4) ? SYSTEM_ABS32(i) : SYSTEM_ABS64(i))
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static inline double SYSTEM_ABSD(double i) {return i >= 0.0 ? i : -i;}
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#define __ABSFD(x) SYSTEM_ABSD(x)
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#define __CAP(ch) ((CHAR)((ch)&0x5f))
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#define __ODD(x) ((x)&1)
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#define __IN(x, s, size) (((unsigned int)(x))<size && ((((uint##size)(s))>>(x))&1))
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// todo tested versions of SETOF and SETRNG: check that x, l and h fit size
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#define __SETOF(x, size) ((uint##size)1<<(x))
|
||||
#define __SETRNG(l, h, size) ((~(uint##size)0<<(l))&~(uint##size)0>>(size-1-(h)))
|
||||
|
||||
#define __MASK(x, m) ((x)&~(m))
|
||||
#define __BIT(x, n) (*(uint64*)(x)>>(n)&1)
|
||||
|
||||
|
||||
|
||||
// Runtime checks
|
||||
|
||||
#define __RETCHK __retchk: __HALT(-3); return 0;
|
||||
#define __CASECHK __HALT(-4)
|
||||
#define __WITHCHK __HALT(-7)
|
||||
|
||||
|
||||
#define __IS(tag, typ, level) (*(tag-(__BASEOFF-level))==(address)typ##__typ)
|
||||
#define __TYPEOF(p) (*(((address**)(p))-1))
|
||||
#define __ISP(p, typ, level) __IS(__TYPEOF(p),typ,level)
|
||||
|
||||
|
||||
#define __GUARDP(p, typ, level) ((typ*)(__ISP(p,typ,level)?p:(__HALT(-5),p)))
|
||||
#define __GUARDR(r, typ, level) (*((typ*)(__IS(r##__typ,typ,level)?r:(__HALT(-5),r))))
|
||||
#define __GUARDA(p, typ, level) ((struct typ*)(__IS(__TYPEOF(p),typ,level)?p:(__HALT(-5),p)))
|
||||
#define __GUARDEQR(p, dyntyp, typ) if(dyntyp!=typ##__typ) __HALT(-6);*(p)
|
||||
#define __GUARDEQP(p, typ) if(__TYPEOF(p)!=typ##__typ)__HALT(-6);*(p)
|
||||
|
||||
|
||||
|
||||
// Module entry/registration/exit
|
||||
|
||||
extern void Heap_REGCMD();
|
||||
extern SYSTEM_PTR Heap_REGMOD();
|
||||
extern void Heap_REGTYP();
|
||||
extern void Heap_INCREF();
|
||||
|
||||
#define __DEFMOD static void *m; if (m!=0) {return m;}
|
||||
#define __REGCMD(name, cmd) Heap_REGCMD(m, (CHAR*)name, cmd)
|
||||
#define __REGMOD(name, enum) if (m==0) {m = Heap_REGMOD((CHAR*)name,enum);}
|
||||
#define __ENDMOD return m
|
||||
#define __MODULE_IMPORT(name) Heap_INCREF(name##__init())
|
||||
|
||||
|
||||
|
||||
// Main module initialisation, registration and finalisation
|
||||
|
||||
extern void Platform_Init(INTEGER argc, address argv);
|
||||
extern void Heap_FINALL();
|
||||
|
||||
#define __INIT(argc, argv) static void *m; Platform_Init((INTEGER)argc, (address)&argv);
|
||||
#define __REGMAIN(name, enum) m = Heap_REGMOD((CHAR*)name,enum)
|
||||
#define __FINI Heap_FINALL(); return 0
|
||||
|
||||
|
||||
// Memory allocation
|
||||
|
||||
extern SYSTEM_PTR Heap_NEWBLK (address size);
|
||||
extern SYSTEM_PTR Heap_NEWREC (address tag);
|
||||
extern SYSTEM_PTR SYSTEM_NEWARR(LONGINT*, LONGINT, int, int, int, ...);
|
||||
|
||||
#define __SYSNEW(p, len) p = Heap_NEWBLK((address)(len))
|
||||
#define __NEW(p, t) p = Heap_NEWREC((address)t##__typ)
|
||||
#define __NEWARR SYSTEM_NEWARR
|
||||
|
||||
|
||||
|
||||
/* Type handling */
|
||||
|
||||
extern void SYSTEM_INHERIT(address *t, address *t0);
|
||||
extern void SYSTEM_ENUMP (void *adr, address n, void (*P)());
|
||||
extern void SYSTEM_ENUMR (void *adr, address *typ, address size, address n, void (*P)());
|
||||
|
||||
|
||||
#define __TDESC(t, m, n) \
|
||||
static struct t##__desc { \
|
||||
address tproc[m]; /* Proc for each ptr field */ \
|
||||
address tag; \
|
||||
address next; /* Module table type list points here */ \
|
||||
address level; \
|
||||
address module; \
|
||||
char name[24]; \
|
||||
address basep[__MAXEXT]; /* List of bases this extends */ \
|
||||
address reserved; \
|
||||
address blksz; /* xxx_typ points here */ \
|
||||
address ptr[n+1]; /* Offsets of ptrs up to -ve sentinel */ \
|
||||
} t##__desc
|
||||
|
||||
#define __BASEOFF (__MAXEXT+1) // blksz as index to base.
|
||||
#define __TPROC0OFF (__BASEOFF+24/sizeof(address)+5) // blksz as index to tproc IFF m=1.
|
||||
#define __EOM 1
|
||||
#define __TDFLDS(name, size) {__EOM}, 1, 0, 0, 0, name, {0}, 0, size
|
||||
#define __ENUMP(adr, n, P) SYSTEM_ENUMP(adr, (address)(n), P)
|
||||
#define __ENUMR(adr, typ, size, n, P) SYSTEM_ENUMR(adr, typ, (address)(size), (address)(n), P)
|
||||
|
||||
#define __INITYP(t, t0, level) \
|
||||
t##__typ = (address*)&t##__desc.blksz; \
|
||||
memcpy(t##__desc.basep, t0##__typ - __BASEOFF, level*sizeof(address)); \
|
||||
t##__desc.basep[level] = (address)t##__typ; \
|
||||
t##__desc.module = (address)m; \
|
||||
if(t##__desc.blksz!=sizeof(struct t)) __HALT(-15); \
|
||||
t##__desc.blksz = (t##__desc.blksz+5*sizeof(address)-1)/(4*sizeof(address))*(4*sizeof(address)); \
|
||||
Heap_REGTYP(m, (address)&t##__desc.next); \
|
||||
SYSTEM_INHERIT(t##__typ, t0##__typ)
|
||||
|
||||
// Oberon-2 type bound procedures support
|
||||
#define __INITBP(t, proc, num) *(t##__typ-(__TPROC0OFF+num))=(address)proc
|
||||
#define __SEND(typ, num, funtyp, parlist) ((funtyp)((address)*(typ-(__TPROC0OFF+num))))parlist
|
||||
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
10
src/runtime/WindowsWrapper.h
Normal file
10
src/runtime/WindowsWrapper.h
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
// WindowsWrapper.h
|
||||
//
|
||||
// Includes Windows.h while avoiding conflicts with Oberon types.
|
||||
|
||||
|
||||
#define BOOLEAN _BOOLEAN
|
||||
#define CHAR _CHAR
|
||||
#include <windows.h>
|
||||
#undef BOOLEAN
|
||||
#undef CHAR
|
||||
342
src/runtime/vt100.Mod
Normal file
342
src/runtime/vt100.Mod
Normal file
|
|
@ -0,0 +1,342 @@
|
|||
MODULE vt100;
|
||||
|
||||
IMPORT Out, Strings;
|
||||
(* reference http://en.wikipedia.org/wiki/ANSI_escape_code
|
||||
& http://misc.flogisoft.com/bash/tip_colors_and_formatting
|
||||
*)
|
||||
CONST
|
||||
|
||||
Escape* = 1BX;
|
||||
SynchronousIdle* = 16X;
|
||||
LeftCrotchet* = '[';
|
||||
|
||||
(* formatting *)
|
||||
Bold* = "1m";
|
||||
Dim* = "2m";
|
||||
Underlined* = "4m";
|
||||
Blink* = "5m"; (* does not work with most emulators, works in tty and xterm *)
|
||||
Reverse* = "7m"; (* invert the foreground and background colors *)
|
||||
Hidden* = "8m"; (* useful for passwords *)
|
||||
|
||||
(* reset *)
|
||||
ResetAll* = "0m";
|
||||
ResetBold* = "21m";
|
||||
ResetDim* = "22m";
|
||||
ResetUnderlined* = "24m";
|
||||
ResetBlink* = "25m";
|
||||
ResetReverse* = "27m";
|
||||
ResetHidden* = "28m";
|
||||
|
||||
(* foreground colors *)
|
||||
Black* = "30m";
|
||||
Red* = "31m";
|
||||
Green* = "32m";
|
||||
Yellow* = "33m";
|
||||
Blue* = "34m";
|
||||
Magenta* = "35m";
|
||||
Cyan* = "36m";
|
||||
LightGray* = "37m";
|
||||
Default* = "39m";
|
||||
DarkGray* = "90m";
|
||||
LightRed* = "91m";
|
||||
LightGreen* = "92m";
|
||||
LightYellow* = "93m";
|
||||
LightBlue* = "94m";
|
||||
LightMagenta* = "95m";
|
||||
LightCyan* = "96m";
|
||||
White* = "97m";
|
||||
|
||||
(* background colors *)
|
||||
BBlack* = "40m";
|
||||
BRed* = "41m";
|
||||
BGreen* = "42m";
|
||||
BYellow* = "43m";
|
||||
BBlue* = "44m";
|
||||
BMagenta* = "45m";
|
||||
BCyan* = "46m";
|
||||
BLightGray* = "47m";
|
||||
BDefault* = "49m";
|
||||
BDarkGray* = "100m";
|
||||
BLightRed* = "101m";
|
||||
BLightGreen* = "102m";
|
||||
BLightYellow* = "103m";
|
||||
BLightBlue* = "104m";
|
||||
BLightMagenta*= "105m";
|
||||
BLightCyan* = "106m";
|
||||
BWhite* = "107m";
|
||||
|
||||
VAR
|
||||
CSI* : ARRAY 5 OF CHAR;
|
||||
tmpstr : ARRAY 32 OF CHAR;
|
||||
|
||||
(* IntToStr routine taken from
|
||||
https://github.com/romiras/Oberon-F-components/blob/master/Ott/Mod/IntStr.cp
|
||||
and modified to work on 64bit system,
|
||||
in order to avoid using oocIntStr, which has many dependencies *)
|
||||
PROCEDURE Reverse0 (VAR str : ARRAY OF CHAR; start, end : INTEGER);
|
||||
(* Reverses order of characters in the interval [start..end]. *)
|
||||
VAR
|
||||
h : CHAR;
|
||||
BEGIN
|
||||
WHILE start < end DO
|
||||
h := str[start]; str[start] := str[end]; str[end] := h;
|
||||
INC(start); DEC(end)
|
||||
END
|
||||
END Reverse0;
|
||||
|
||||
PROCEDURE IntToStr*(int: LONGINT; VAR str: ARRAY OF CHAR);
|
||||
(* Converts the value of `int' to string form and copies the possibly truncated
|
||||
result to `str'. *)
|
||||
VAR
|
||||
b : ARRAY 21 OF CHAR;
|
||||
s, e: INTEGER;
|
||||
maxLength : SHORTINT; (* maximum number of digits representing a LONGINT value *)
|
||||
BEGIN
|
||||
IF SIZE(LONGINT) = 4 THEN maxLength := 11 END;
|
||||
IF SIZE(LONGINT) = 8 THEN maxLength := 20 END;
|
||||
(* build representation in string 'b' *)
|
||||
IF int = MIN(LONGINT) THEN (* smallest LONGINT, -int is an overflow *)
|
||||
IF SIZE(LONGINT) = 4 THEN
|
||||
b := "-2147483648";
|
||||
e := 11
|
||||
ELSE (* SIZE(LONGINT) = 8 *)
|
||||
b := "-9223372036854775808";
|
||||
e := 20
|
||||
END
|
||||
ELSE
|
||||
IF int < 0 THEN (* negative sign *)
|
||||
b[0] := "-"; int := -int; s := 1
|
||||
ELSE (* no sign *)
|
||||
s := 0
|
||||
END;
|
||||
e := s; (* 's' holds starting position of string *)
|
||||
REPEAT
|
||||
b[e] := CHR(int MOD 10+ORD("0"));
|
||||
int := int DIV 10;
|
||||
INC(e)
|
||||
UNTIL int = 0;
|
||||
b[e] := 0X;
|
||||
Reverse0(b, s, e-1);
|
||||
END;
|
||||
COPY(b, str) (* truncate output if necessary *)
|
||||
END IntToStr;
|
||||
|
||||
PROCEDURE EscSeq0 (letter : ARRAY OF CHAR);
|
||||
VAR
|
||||
cmd : ARRAY 9 OF CHAR;
|
||||
BEGIN
|
||||
COPY(CSI, cmd);
|
||||
Strings.Append (letter, cmd);
|
||||
Out.String (cmd);
|
||||
END EscSeq0;
|
||||
|
||||
PROCEDURE EscSeq (n : INTEGER; letter : ARRAY OF CHAR);
|
||||
VAR nstr : ARRAY 2 OF CHAR;
|
||||
cmd : ARRAY 7 OF CHAR;
|
||||
BEGIN
|
||||
IntToStr (n, nstr);
|
||||
COPY(CSI, cmd);
|
||||
Strings.Append (nstr, cmd);
|
||||
Strings.Append (letter, cmd);
|
||||
Out.String (cmd);
|
||||
END EscSeq;
|
||||
|
||||
PROCEDURE EscSeqSwapped (n : INTEGER; letter : ARRAY OF CHAR);
|
||||
VAR nstr : ARRAY 2 OF CHAR;
|
||||
cmd : ARRAY 7 OF CHAR;
|
||||
BEGIN
|
||||
IntToStr (n, nstr);
|
||||
COPY(CSI, cmd);
|
||||
Strings.Append (letter, cmd);
|
||||
Strings.Append (nstr, cmd);
|
||||
Out.String (cmd);
|
||||
END EscSeqSwapped;
|
||||
|
||||
PROCEDURE EscSeq2(n, m : INTEGER; letter : ARRAY OF CHAR);
|
||||
VAR nstr, mstr : ARRAY 5 OF CHAR;
|
||||
cmd : ARRAY 12 OF CHAR;
|
||||
BEGIN
|
||||
IntToStr(n, nstr);
|
||||
IntToStr(m, mstr);
|
||||
|
||||
COPY (CSI, cmd);
|
||||
Strings.Append (nstr, cmd);
|
||||
Strings.Append (';', cmd);
|
||||
Strings.Append (mstr, cmd);
|
||||
Strings.Append (letter, cmd);
|
||||
Out.String (cmd);
|
||||
|
||||
END EscSeq2;
|
||||
|
||||
|
||||
|
||||
(* Cursor up
|
||||
moves cursor n cells in the given direction. if the cursor is already at the edge of the screen, this has no effect *)
|
||||
|
||||
PROCEDURE CUU*(n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq (n, 'A');
|
||||
END CUU;
|
||||
|
||||
(* Cursor down
|
||||
moves cursor n cells in the given direction. if the cursor is already at the edge of the screen, this has no effect *)
|
||||
|
||||
PROCEDURE CUD*(n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq (n, 'B');
|
||||
END CUD;
|
||||
|
||||
|
||||
(* Cursor forward
|
||||
moves cursor n cells in the given direction. if the cursor is already at the edge of the screen, this has no effect *)
|
||||
|
||||
PROCEDURE CUF*(n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq (n, 'C');
|
||||
END CUF;
|
||||
|
||||
(* Cursor back
|
||||
moves cursor n cells in the given direction. if the cursor is already at the edge of the screen, this has no effect *)
|
||||
|
||||
PROCEDURE CUB*(n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq (n, 'D');
|
||||
END CUB;
|
||||
|
||||
(* Curnser Next Line
|
||||
moves cursor to beginning of the line n lines down *)
|
||||
|
||||
PROCEDURE CNL*( n: INTEGER);
|
||||
BEGIN
|
||||
EscSeq (n, 'E');
|
||||
END CNL;
|
||||
|
||||
|
||||
(* Cursor Previous Line
|
||||
Moves cursor to beginning of the line n lines down *)
|
||||
|
||||
PROCEDURE CPL*( n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq (n, 'F');
|
||||
END CPL;
|
||||
|
||||
(* Cursor Horizontal Absolute
|
||||
Moves the cursor to column n *)
|
||||
|
||||
PROCEDURE CHA*( n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq (n, 'G');
|
||||
END CHA;
|
||||
|
||||
(* Cursor position, moves cursor to row n, column m *)
|
||||
PROCEDURE CUP*(n, m : INTEGER);
|
||||
BEGIN
|
||||
EscSeq2 (n, m, 'H');
|
||||
END CUP;
|
||||
|
||||
(* Erase Display
|
||||
if n = 0 then clears from cursor to end of the screen
|
||||
if n = 1 then clears from cursor to beginning of the screen
|
||||
if n = 2 then clears entire screen *)
|
||||
|
||||
PROCEDURE ED* (n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq(n, 'J');
|
||||
END ED;
|
||||
|
||||
(* Erase in Line
|
||||
Erases part of the line. If n is zero, clear from cursor to the end of the line. If n is one, clear from cursor to beginning of the line. If n is two, clear entire line. Cursor position does not change *)
|
||||
PROCEDURE EL*( n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq(n, 'K');
|
||||
END EL;
|
||||
|
||||
(* Scroll Up
|
||||
Scroll whole page up by n lines. New lines are added at the bottom *)
|
||||
PROCEDURE SU*( n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq(n, 'S')
|
||||
END SU;
|
||||
|
||||
(* Scroll Down
|
||||
Scroll whole page down by n (default 1) lines. New lines are added at the top *)
|
||||
PROCEDURE SD*( n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq(n, 'T');
|
||||
END SD;
|
||||
|
||||
(* Horizontal and Vertical Position,
|
||||
Moves the cursor to row n, column m. Both default to 1 if omitted. Same as CUP *)
|
||||
PROCEDURE HVP*(n, m : INTEGER);
|
||||
BEGIN
|
||||
EscSeq2 (n, m, 'f');
|
||||
END HVP;
|
||||
|
||||
(* Select Graphic Rendition
|
||||
Sets SGR parameters, including text color. After CSI can be zero or more parameters separated with ;. With no parameters, CSI m is treated as CSI 0 m (reset / normal), which is typical of most of the ANSI escape sequences *)
|
||||
|
||||
PROCEDURE SGR*( n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq(n, 'm');
|
||||
END SGR;
|
||||
|
||||
PROCEDURE SGR2*( n, m : INTEGER);
|
||||
BEGIN
|
||||
EscSeq2(n, m, 'm');
|
||||
END SGR2;
|
||||
|
||||
(* Device Status Report
|
||||
Reports the cursor position (CPR) to the application as (as though typed at the keyboard) ESC[n;mR, where n is the row and m is the column.) *)
|
||||
|
||||
PROCEDURE DSR*(n : INTEGER);
|
||||
BEGIN
|
||||
EscSeq(6, 'n');
|
||||
END DSR;
|
||||
|
||||
(* Save Cursor Position *)
|
||||
|
||||
PROCEDURE SCP*;
|
||||
BEGIN
|
||||
EscSeq0('s');
|
||||
END SCP;
|
||||
|
||||
(* Restore Cursor Position *)
|
||||
|
||||
PROCEDURE RCP*;
|
||||
BEGIN
|
||||
EscSeq0('u');
|
||||
END RCP;
|
||||
|
||||
(* Hide the cursor *)
|
||||
PROCEDURE DECTCEMl*;
|
||||
BEGIN
|
||||
EscSeq0("?25l")
|
||||
END DECTCEMl;
|
||||
|
||||
(* shows the cursor *)
|
||||
PROCEDURE DECTCEMh*;
|
||||
BEGIN
|
||||
EscSeq0("?25h")
|
||||
END DECTCEMh;
|
||||
|
||||
PROCEDURE SetAttr*(attr : ARRAY OF CHAR);
|
||||
VAR tmpstr : ARRAY 16 OF CHAR;
|
||||
BEGIN
|
||||
COPY(CSI, tmpstr);
|
||||
Strings.Append(attr, tmpstr);
|
||||
Out.String(tmpstr);
|
||||
END SetAttr;
|
||||
|
||||
BEGIN
|
||||
(* init CSI sequence *)
|
||||
COPY(Escape, CSI);
|
||||
Strings.Append(LeftCrotchet, CSI);
|
||||
(*
|
||||
EraseDisplay;
|
||||
GotoXY (0, 0);
|
||||
COPY(CSI, tmpstr);
|
||||
Strings.Append(Green, tmpstr);
|
||||
Strings.Append("hello", tmpstr);
|
||||
Out.String(tmpstr); Out.Ln;
|
||||
*)
|
||||
END vt100.
|
||||
Loading…
Add table
Add a link
Reference in a new issue