+++ /dev/null
-em.c
-em_private.h
+++ /dev/null
-/* $Header$ */
-/*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
-#include <system.h>
-
-C_failed()
-{
- sys_write(STDERR,"write failed\n",13);
- sys_stop(S_EXIT);
-}
+++ /dev/null
-/* $Header$ */
-/*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
-/* EM CODE OUTPUT ROUTINES */
-
-#include "io.c"
-#include "em_private.h"
-
-/*
- The C_pt_*() functions serve as formatting functions of the
- various EM language constructs.
- See "Description of a Machine Architecture for use with
- Block Structured Languages" par. 11.2 for the meaning of these
- names.
-*/
-
-C_magic()
-{
-}
-
-/*** the readable code generating routines ***/
-
-static
-wrs(s)
- register char *s;
-{
- while (*s) {
- C_putbyte(*s++);
- }
-}
-
-C_pt_dnam(s)
- char *s;
-{
- wrs(s);
-}
-
-C_pt_ilb(l)
- label l;
-{
- char buf[16];
-
- sprint(buf, "*%ld", (long) l);
- wrs(buf);
-}
-
-extern char em_mnem[][4];
-extern char em_pseu[][4];
-
-C_pt_op(x)
-{
- C_putbyte(' ');
- wrs(em_mnem[x - sp_fmnem]);
- C_putbyte(' ');
-}
-
-C_pt_cst(l)
- arith l;
-{
- char buf[16];
-
- sprint(buf, "%ld", (long) l);
- wrs(buf);
-}
-
-C_pt_scon(x, y)
- char *x;
- arith y;
-{
- char xbuf[1024];
- register char *p;
- char *bts2str();
-
- C_putbyte('\'');
- p = bts2str(x, (int) y, xbuf);
- while (*p) {
- if (*p == '\'') {
- C_putbyte('\\');
- }
- C_putbyte(*p++);
- }
- C_putbyte('\'');
-}
-
-C_pt_ps(x)
-{
- C_putbyte(' ');
- wrs(em_pseu[x - sp_fpseu]);
- C_putbyte(' ');
-}
-
-C_pt_dlb(l)
- label l;
-{
- char buf[16];
-
- sprint(buf, ".%ld", (long) l);
- wrs(buf);
-}
-
-C_pt_doff(l, v)
- label l;
- arith v;
-{
- char buf[16];
-
- C_pt_dlb(l);
- if (v != 0) {
- sprint(buf,"+%ld", (long) v);
- wrs(buf);
- }
-}
-
-C_pt_noff(s, v)
- char *s;
- arith v;
-{
- char buf[16];
-
- wrs(s);
- if (v != 0) {
- sprint(buf,"+%ld", (long) v);
- wrs(buf);
- }
-}
-
-C_pt_pnam(s)
- char *s;
-{
- C_putbyte('$');
- wrs(s);
-}
-
-C_pt_dfilb(l)
- label l;
-{
- char buf[16];
-
- sprint(buf, "%ld", (long) l);
- wrs(buf);
-}
-
-C_pt_wcon(sp, v, sz) /* sp_icon, sp_ucon or sp_fcon with int repr */
- int sp;
- char *v;
- arith sz;
-{
- int ch = sp == sp_icon ? 'I' : sp == sp_ucon ? 'U' : 'F';
-
- wrs(v);
- C_putbyte(ch);
- C_pt_cst(sz);
-}
-
-C_pt_nl() { C_putbyte('\n'); }
-C_pt_comma() { C_putbyte(','); }
-C_pt_ccend() { C_putbyte('?'); }
+++ /dev/null
-/* $Header$ */
-/*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
-/* private inclusion file */
-
-#include <em_arith.h>
-#include <em_label.h>
-
-/* include the EM description files */
-#include <em_spec.h>
-#include <em_pseu.h>
-#include <em_mnem.h>
-#include <em_reg.h>
-
-/* macros used in the definitions of the interface functions C_* */
-#define OP(x) C_pt_op(x)
-#define CST(x) C_pt_cst(x)
-#define DCST(x) C_pt_cst(x)
-#define SCON(x,y) C_pt_scon((x), (y))
-#define PS(x) C_pt_ps(x)
-#define DLB(x) C_pt_dlb(x)
-#define DFDLB(x) C_pt_dlb(x)
-#define ILB(x) C_pt_ilb(x)
-#define DFILB(x) C_pt_dfilb(x)
-#define NOFF(x,y) C_pt_noff((x), (y))
-#define DOFF(x,y) C_pt_doff((x), (y))
-#define PNAM(x) C_pt_pnam(x)
-#define DNAM(x) C_pt_dnam(x)
-#define DFDNAM(x) C_pt_dnam(x)
-#define CEND()
-#define CCEND() C_pt_ccend()
-#define WCON(x,y,z) C_pt_wcon((x), (y), (z))
-#define COMMA() C_pt_comma()
-#define NL() C_pt_nl()
-#define CILB(x) C_pt_ilb(x)
+++ /dev/null
-/* $Header$ */
-
-/* I/O part of em_code module.
- Also contains C_open, C_close
-*/
-#include <alloc.h>
-#include <em_path.h>
-#include <em_arith.h>
-#include "insert.h"
-
-int C_ontmpfile = 0;
-int C_sequential = 1;
-Part *C_curr_part;
-Part *C_stable[TABSIZ];
-char *C_tmpdir = TMP_DIR;
-int (*C_outpart)(), (*C_swtout)(), (*C_swttmp)();
-
-#ifdef INCORE
-char *C_BASE;
-#endif
-
-File *C_ofp;
-
-#ifndef INCORE
-File *C_tfr, *C_old_ofp;
-char *C_tmpfile;
-char *strcpy(), *strcat();
-char *C_ibuf = 0;
-long C_current_out;
-#endif
-
-#if BUFSIZ <= 1024 && BIGMACHINE
-#define BUFFERSIZ 8*BUFSIZ
-#else
-#define BUFFERSIZ BUFSIZ
-#endif
-
-static char obuf[BUFFERSIZ];
-char *C_top = &obuf[BUFFERSIZ];
-char *C_old_top;
-char *C_old_opp;
-#ifdef INCORE
-char *C_current_out = obuf;
-#else
-char *C_opp = obuf;
-#endif
-
-C_flush() {
-#ifdef INCORE
- static unsigned int bufsiz;
-
- if (C_ontmpfile) {
- if (C_BASE == 0) {
- C_BASE = Malloc(BUFFERSIZ);
- bufsiz = BUFFERSIZ;
- C_current_out = C_BASE;
- }
- else {
- C_BASE = Srealloc(C_BASE, (bufsiz << 1));
- C_current_out = C_BASE + bufsiz;
- bufsiz <<= 1;
- }
- C_top = C_BASE + bufsiz;
- return;
- }
-#endif
- if (C_opp != obuf && sys_write(C_ofp, obuf, C_opp - obuf) == 0) {
- C_failed();
- }
- C_opp = obuf;
-}
-
-#ifndef INCORE
-#define Xputbyte(c) if (C_ontmpfile) C_current_out++; put(c)
-#else
-#define Xputbyte(c) put(c)
-#endif
-
-C_putbyte(c)
- int c;
-{
- Xputbyte(c);
-}
-
-#define C_putbyte Xputbyte
-
-C_init(w, p)
- arith w, p;
-{
-}
-
-C_open(nm)
- char *nm;
-{
- /* Open file "nm" for output
- */
-
- if (nm == 0)
- C_ofp = STDOUT; /* standard output */
- else
- if (sys_open(nm, OP_WRITE, &C_ofp) == 0)
- return 0;
- return 1;
-}
-
-C_close()
-{
- /* Finish the code-generation.
- */
-
-#ifndef INCORE
- C_flush();
- if (C_tmpfile) {
- (*C_swttmp)();
- sys_close(C_ofp);
-#else
- if (C_BASE) {
-#endif
- if (C_curr_part) {
- C_curr_part->p_parts->pp_end = C_current_out - C_BASE;
- }
- (*C_swtout)();
- if (! C_sequential) {
- (*C_outpart)(0);
- }
-#ifndef INCORE
- sys_close(C_tfr);
- sys_remove(C_tmpfile);
- if (C_ibuf) free(C_ibuf);
-#else
- free(C_BASE);
-#endif
- }
- C_flush();
- if (C_ofp != STDOUT)
- sys_close(C_ofp);
- C_ofp = 0;
-}
-
-C_busy()
-{
- return C_ofp != 0; /* true if code is being generated */
-}
+++ /dev/null
-em.c
-em_private.h
+++ /dev/null
-/* $Header$ */
-/*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
-#include <system.h>
-
-C_failed()
-{
- sys_write(STDERR,"write failed\n",13);
- sys_stop(S_EXIT);
-}
+++ /dev/null
-/*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
-/* $Header$ */
-/* EM CODE OUTPUT ROUTINES */
-
-#include "io.c"
-#include "em_private.h"
-
-#define put8(x) C_putbyte(x)
-#define put16(x) put8((int) x); put8((int) (x >> 8))
-#define put32(x) put16((int) x); put16((int) (x >> 16))
-
-/*
- The C_pt_*() functions serve as formatting functions of the
- various EM language constructs.
- See "Description of a Machine Architecture for use with
- Block Structured Languages" par. 11.2 for the meaning of these
- names.
-*/
-
-C_magic()
-{
- put16(sp_magic);
-}
-
-/*** the compact code generating routines ***/
-#define fit16i(x) ((x) >= (long)0xFFFF8000 && (x) <= (long)0x00007FFF)
-#define fit8u(x) ((x) <= 0xFF) /* x is already unsigned */
-
-C_pt_ilb(l)
- register label l;
-{
- if (fit8u(l)) {
- put8(sp_ilb1);
- put8(l);
- }
- else {
- put8(sp_ilb2);
- put16(l);
- }
-}
-
-C_pt_dlb(l)
- register label l;
-{
- if (fit8u(l)) {
- put8(sp_dlb1);
- put8(l);
- }
- else {
- put8(sp_dlb2);
- put16((int)l);
- }
-}
-
-C_pt_cst(l)
- register arith l;
-{
- if (l >= (arith) -sp_zcst0 && l < (arith) (sp_ncst0 - sp_zcst0)) {
- /* we can convert 'l' to an int because its value
- can be stored in a byte.
- */
- put8((int)l + (sp_zcst0 + sp_fcst0));
- }
- else
- if (fit16i(l)) { /* the cast from long to int causes no trouble here */
- put8(sp_cst2);
- put16((int) l);
- }
- else {
- put8(sp_cst4);
- put32(l);
- }
-}
-
-C_pt_doff(l, v)
- label l;
- arith v;
-{
- if (v == 0) {
- C_pt_dlb(l);
- }
- else {
- put8(sp_doff);
- C_pt_dlb(l);
- C_pt_cst(v);
- }
-}
-
-C_pt_noff(s, v)
- char *s;
- arith v;
-{
- if (v == 0) {
- C_pt_dnam(s);
- }
- else {
- put8(sp_doff);
- C_pt_dnam(s);
- C_pt_cst(v);
- }
-}
-
-C_pt_dnam(s)
- char *s;
-{
- put8(sp_dnam);
- C_pt_str(s);
-}
-
-C_pt_pnam(s)
- char *s;
-{
- put8(sp_pnam);
- C_pt_str(s);
-}
-
-C_pt_wcon(sp, v, sz) /* sp_icon, sp_ucon or sp_fcon with int repr */
- int sp;
- char *v;
- arith sz;
-{
- /* how 'bout signextension int --> long ??? */
- put8(sp);
- C_pt_cst(sz);
- C_pt_str(v);
-}
-
-C_pt_str(s)
- register char *s;
-{
- register int len;
-
- C_pt_cst((arith) (len = strlen(s)));
- while (--len >= 0) {
- put8(*s++);
- }
-}
-
-C_pt_scon(b, n)
- register char *b;
- register arith n;
-{
- put8(sp_scon);
- C_pt_cst(n);
- while (--n >= 0) {
- put8(*b++);
- }
-}
+++ /dev/null
-/* $Header$ */
-/*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
-/* private inclusion file */
-
-#include <em_arith.h>
-#include <em_label.h>
-
-/* include the EM description files */
-#include <em_spec.h>
-#include <em_pseu.h>
-#include <em_mnem.h>
-#include <em_reg.h>
-
-/* macros used in the definitions of the interface functions C_* */
-#define OP(x) C_pt_op(x)
-#define CST(x) C_pt_cst(x)
-#define DCST(x) C_pt_cst(x)
-#define SCON(x,y) C_pt_scon((x), (y))
-#define PS(x) C_pt_ps(x)
-#define DLB(x) C_pt_dlb(x)
-#define DFDLB(x) C_pt_dlb(x)
-#define ILB(x) C_pt_ilb(x)
-#define DFILB(x) C_pt_ilb(x)
-#define NOFF(x,y) C_pt_noff((x), (y))
-#define DOFF(x,y) C_pt_doff((x), (y))
-#define PNAM(x) C_pt_pnam(x)
-#define DNAM(x) C_pt_dnam(x)
-#define DFDNAM(x) C_pt_dnam(x)
-#define CEND() C_pt_cend()
-#define CCEND() C_pt_cend()
-#define WCON(x,y,z) C_pt_wcon((x), (y), (z))
-#define COMMA()
-#define NL()
-#define CILB(x) CST((arith) x)
-
-#define C_pt_cend() C_putbyte(sp_cend)
-#define C_pt_op(x) C_putbyte(x)
-#define C_pt_ps(x) C_putbyte(x)
public / ack.git / commitdiff