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Diffstat (limited to 'gcc/f/runtime/libI77/fmt.c')
-rw-r--r--gcc/f/runtime/libI77/fmt.c516
1 files changed, 516 insertions, 0 deletions
diff --git a/gcc/f/runtime/libI77/fmt.c b/gcc/f/runtime/libI77/fmt.c
new file mode 100644
index 00000000000..a82f82153f6
--- /dev/null
+++ b/gcc/f/runtime/libI77/fmt.c
@@ -0,0 +1,516 @@
+#include "f2c.h"
+#include "fio.h"
+#include "fmt.h"
+#define skip(s) while(*s==' ') s++
+#ifdef interdata
+#define SYLMX 300
+#endif
+#ifdef pdp11
+#define SYLMX 300
+#endif
+#ifdef vax
+#define SYLMX 300
+#endif
+#ifndef SYLMX
+#define SYLMX 300
+#endif
+#define GLITCH '\2'
+ /* special quote character for stu */
+extern int f__cursor,f__scale;
+extern flag f__cblank,f__cplus; /*blanks in I and compulsory plus*/
+struct syl f__syl[SYLMX];
+int f__parenlvl,f__pc,f__revloc;
+
+ static
+#ifdef KR_headers
+char *ap_end(s) char *s;
+#else
+char *ap_end(char *s)
+#endif
+{ char quote;
+ quote= *s++;
+ for(;*s;s++)
+ { if(*s!=quote) continue;
+ if(*++s!=quote) return(s);
+ }
+ if(f__elist->cierr) {
+ errno = 100;
+ return(NULL);
+ }
+ f__fatal(100, "bad string");
+ /*NOTREACHED*/ return 0;
+}
+ static
+#ifdef KR_headers
+op_gen(a,b,c,d)
+#else
+op_gen(int a, int b, int c, int d)
+#endif
+{ struct syl *p= &f__syl[f__pc];
+ if(f__pc>=SYLMX)
+ { fprintf(stderr,"format too complicated:\n");
+ sig_die(f__fmtbuf, 1);
+ }
+ p->op=a;
+ p->p1=b;
+ p->p2=c;
+ p->p3=d;
+ return(f__pc++);
+}
+#ifdef KR_headers
+static char *f_list();
+static char *gt_num(s,n,n1) char *s; int *n, n1;
+#else
+static char *f_list(char*);
+static char *gt_num(char *s, int *n, int n1)
+#endif
+{ int m=0,f__cnt=0;
+ char c;
+ for(c= *s;;c = *s)
+ { if(c==' ')
+ { s++;
+ continue;
+ }
+ if(c>'9' || c<'0') break;
+ m=10*m+c-'0';
+ f__cnt++;
+ s++;
+ }
+ if(f__cnt==0) {
+ if (!n1)
+ s = 0;
+ *n=n1;
+ }
+ else *n=m;
+ return(s);
+}
+
+ static
+#ifdef KR_headers
+char *f_s(s,curloc) char *s;
+#else
+char *f_s(char *s, int curloc)
+#endif
+{
+ skip(s);
+ if(*s++!='(')
+ {
+ return(NULL);
+ }
+ if(f__parenlvl++ ==1) f__revloc=curloc;
+ if(op_gen(RET1,curloc,0,0)<0 ||
+ (s=f_list(s))==NULL)
+ {
+ return(NULL);
+ }
+ skip(s);
+ return(s);
+}
+
+ static
+#ifdef KR_headers
+ne_d(s,p) char *s,**p;
+#else
+ne_d(char *s, char **p)
+#endif
+{ int n,x,sign=0;
+ struct syl *sp;
+ switch(*s)
+ {
+ default:
+ return(0);
+ case ':': (void) op_gen(COLON,0,0,0); break;
+ case '$':
+ (void) op_gen(NONL, 0, 0, 0); break;
+ case 'B':
+ case 'b':
+ if(*++s=='z' || *s == 'Z') (void) op_gen(BZ,0,0,0);
+ else (void) op_gen(BN,0,0,0);
+ break;
+ case 'S':
+ case 's':
+ if(*(s+1)=='s' || *(s+1) == 'S')
+ { x=SS;
+ s++;
+ }
+ else if(*(s+1)=='p' || *(s+1) == 'P')
+ { x=SP;
+ s++;
+ }
+ else x=S;
+ (void) op_gen(x,0,0,0);
+ break;
+ case '/': (void) op_gen(SLASH,0,0,0); break;
+ case '-': sign=1;
+ case '+': s++; /*OUTRAGEOUS CODING TRICK*/
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ if (!(s=gt_num(s,&n,0))) {
+ bad: *p = 0;
+ return 1;
+ }
+ switch(*s)
+ {
+ default:
+ return(0);
+ case 'P':
+ case 'p': if(sign) n= -n; (void) op_gen(P,n,0,0); break;
+ case 'X':
+ case 'x': (void) op_gen(X,n,0,0); break;
+ case 'H':
+ case 'h':
+ sp = &f__syl[op_gen(H,n,0,0)];
+ *(char **)&sp->p2 = s + 1;
+ s+=n;
+ break;
+ }
+ break;
+ case GLITCH:
+ case '"':
+ case '\'':
+ sp = &f__syl[op_gen(APOS,0,0,0)];
+ *(char **)&sp->p2 = s;
+ if((*p = ap_end(s)) == NULL)
+ return(0);
+ return(1);
+ case 'T':
+ case 't':
+ if(*(s+1)=='l' || *(s+1) == 'L')
+ { x=TL;
+ s++;
+ }
+ else if(*(s+1)=='r'|| *(s+1) == 'R')
+ { x=TR;
+ s++;
+ }
+ else x=T;
+ if (!(s=gt_num(s+1,&n,0)))
+ goto bad;
+ s--;
+ (void) op_gen(x,n,0,0);
+ break;
+ case 'X':
+ case 'x': (void) op_gen(X,1,0,0); break;
+ case 'P':
+ case 'p': (void) op_gen(P,1,0,0); break;
+ }
+ s++;
+ *p=s;
+ return(1);
+}
+
+ static
+#ifdef KR_headers
+e_d(s,p) char *s,**p;
+#else
+e_d(char *s, char **p)
+#endif
+{ int i,im,n,w,d,e,found=0,x=0;
+ char *sv=s;
+ s=gt_num(s,&n,1);
+ (void) op_gen(STACK,n,0,0);
+ switch(*s++)
+ {
+ default: break;
+ case 'E':
+ case 'e': x=1;
+ case 'G':
+ case 'g':
+ found=1;
+ if (!(s=gt_num(s,&w,0))) {
+ bad:
+ *p = 0;
+ return 1;
+ }
+ if(w==0) break;
+ if(*s=='.') {
+ if (!(s=gt_num(s+1,&d,0)))
+ goto bad;
+ }
+ else d=0;
+ if(*s!='E' && *s != 'e')
+ (void) op_gen(x==1?E:G,w,d,0); /* default is Ew.dE2 */
+ else {
+ if (!(s=gt_num(s+1,&e,0)))
+ goto bad;
+ (void) op_gen(x==1?EE:GE,w,d,e);
+ }
+ break;
+ case 'O':
+ case 'o':
+ i = O;
+ im = OM;
+ goto finish_I;
+ case 'Z':
+ case 'z':
+ i = Z;
+ im = ZM;
+ goto finish_I;
+ case 'L':
+ case 'l':
+ found=1;
+ if (!(s=gt_num(s,&w,0)))
+ goto bad;
+ if(w==0) break;
+ (void) op_gen(L,w,0,0);
+ break;
+ case 'A':
+ case 'a':
+ found=1;
+ skip(s);
+ if(*s>='0' && *s<='9')
+ { s=gt_num(s,&w,1);
+ if(w==0) break;
+ (void) op_gen(AW,w,0,0);
+ break;
+ }
+ (void) op_gen(A,0,0,0);
+ break;
+ case 'F':
+ case 'f':
+ if (!(s=gt_num(s,&w,0)))
+ goto bad;
+ found=1;
+ if(w==0) break;
+ if(*s=='.') {
+ if (!(s=gt_num(s+1,&d,0)))
+ goto bad;
+ }
+ else d=0;
+ (void) op_gen(F,w,d,0);
+ break;
+ case 'D':
+ case 'd':
+ found=1;
+ if (!(s=gt_num(s,&w,0)))
+ goto bad;
+ if(w==0) break;
+ if(*s=='.') {
+ if (!(s=gt_num(s+1,&d,0)))
+ goto bad;
+ }
+ else d=0;
+ (void) op_gen(D,w,d,0);
+ break;
+ case 'I':
+ case 'i':
+ i = I;
+ im = IM;
+ finish_I:
+ if (!(s=gt_num(s,&w,0)))
+ goto bad;
+ found=1;
+ if(w==0) break;
+ if(*s!='.')
+ { (void) op_gen(i,w,0,0);
+ break;
+ }
+ if (!(s=gt_num(s+1,&d,0)))
+ goto bad;
+ (void) op_gen(im,w,d,0);
+ break;
+ }
+ if(found==0)
+ { f__pc--; /*unSTACK*/
+ *p=sv;
+ return(0);
+ }
+ *p=s;
+ return(1);
+}
+ static
+#ifdef KR_headers
+char *i_tem(s) char *s;
+#else
+char *i_tem(char *s)
+#endif
+{ char *t;
+ int n,curloc;
+ if(*s==')') return(s);
+ if(ne_d(s,&t)) return(t);
+ if(e_d(s,&t)) return(t);
+ s=gt_num(s,&n,1);
+ if((curloc=op_gen(STACK,n,0,0))<0) return(NULL);
+ return(f_s(s,curloc));
+}
+
+ static
+#ifdef KR_headers
+char *f_list(s) char *s;
+#else
+char *f_list(char *s)
+#endif
+{
+ for(;*s!=0;)
+ { skip(s);
+ if((s=i_tem(s))==NULL) return(NULL);
+ skip(s);
+ if(*s==',') s++;
+ else if(*s==')')
+ { if(--f__parenlvl==0)
+ {
+ (void) op_gen(REVERT,f__revloc,0,0);
+ return(++s);
+ }
+ (void) op_gen(GOTO,0,0,0);
+ return(++s);
+ }
+ }
+ return(NULL);
+}
+
+#ifdef KR_headers
+pars_f(s) char *s;
+#else
+pars_f(char *s)
+#endif
+{
+ f__parenlvl=f__revloc=f__pc=0;
+ if(f_s(s,0) == NULL)
+ {
+ return(-1);
+ }
+ return(0);
+}
+#define STKSZ 10
+int f__cnt[STKSZ],f__ret[STKSZ],f__cp,f__rp;
+flag f__workdone, f__nonl;
+
+ static
+#ifdef KR_headers
+type_f(n)
+#else
+type_f(int n)
+#endif
+{
+ switch(n)
+ {
+ default:
+ return(n);
+ case RET1:
+ return(RET1);
+ case REVERT: return(REVERT);
+ case GOTO: return(GOTO);
+ case STACK: return(STACK);
+ case X:
+ case SLASH:
+ case APOS: case H:
+ case T: case TL: case TR:
+ return(NED);
+ case F:
+ case I:
+ case IM:
+ case A: case AW:
+ case O: case OM:
+ case L:
+ case E: case EE: case D:
+ case G: case GE:
+ case Z: case ZM:
+ return(ED);
+ }
+}
+#ifdef KR_headers
+integer do_fio(number,ptr,len) ftnint *number; ftnlen len; char *ptr;
+#else
+integer do_fio(ftnint *number, char *ptr, ftnlen len)
+#endif
+{ struct syl *p;
+ int n,i;
+ for(i=0;i<*number;i++,ptr+=len)
+ {
+loop: switch(type_f((p= &f__syl[f__pc])->op))
+ {
+ default:
+ fprintf(stderr,"unknown code in do_fio: %d\n%s\n",
+ p->op,f__fmtbuf);
+ err(f__elist->cierr,100,"do_fio");
+ case NED:
+ if((*f__doned)(p))
+ { f__pc++;
+ goto loop;
+ }
+ f__pc++;
+ continue;
+ case ED:
+ if(f__cnt[f__cp]<=0)
+ { f__cp--;
+ f__pc++;
+ goto loop;
+ }
+ if(ptr==NULL)
+ return((*f__doend)());
+ f__cnt[f__cp]--;
+ f__workdone=1;
+ if((n=(*f__doed)(p,ptr,len))>0)
+ errfl(f__elist->cierr,errno,"fmt");
+ if(n<0)
+ err(f__elist->ciend,(EOF),"fmt");
+ continue;
+ case STACK:
+ f__cnt[++f__cp]=p->p1;
+ f__pc++;
+ goto loop;
+ case RET1:
+ f__ret[++f__rp]=p->p1;
+ f__pc++;
+ goto loop;
+ case GOTO:
+ if(--f__cnt[f__cp]<=0)
+ { f__cp--;
+ f__rp--;
+ f__pc++;
+ goto loop;
+ }
+ f__pc=1+f__ret[f__rp--];
+ goto loop;
+ case REVERT:
+ f__rp=f__cp=0;
+ f__pc = p->p1;
+ if(ptr==NULL)
+ return((*f__doend)());
+ if(!f__workdone) return(0);
+ if((n=(*f__dorevert)()) != 0) return(n);
+ goto loop;
+ case COLON:
+ if(ptr==NULL)
+ return((*f__doend)());
+ f__pc++;
+ goto loop;
+ case NONL:
+ f__nonl = 1;
+ f__pc++;
+ goto loop;
+ case S:
+ case SS:
+ f__cplus=0;
+ f__pc++;
+ goto loop;
+ case SP:
+ f__cplus = 1;
+ f__pc++;
+ goto loop;
+ case P: f__scale=p->p1;
+ f__pc++;
+ goto loop;
+ case BN:
+ f__cblank=0;
+ f__pc++;
+ goto loop;
+ case BZ:
+ f__cblank=1;
+ f__pc++;
+ goto loop;
+ }
+ }
+ return(0);
+}
+en_fio(Void)
+{ ftnint one=1;
+ return(do_fio(&one,(char *)NULL,(ftnint)0));
+}
+ VOID
+fmt_bg(Void)
+{
+ f__workdone=f__cp=f__rp=f__pc=f__cursor=0;
+ f__cnt[0]=f__ret[0]=0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 14:34:47 +0000