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Annotation of 43BSD/contrib/icon/rt/trace.c, revision 1.1

1.1     ! root        1: #include "../h/rt.h"
        !             2: 
        !             3: /*
        !             4:  * ctrace - procedure *bp is being called with nargs arguments, the first
        !             5:  *  of which is at arg; produce a trace message.
        !             6:  */
        !             7: ctrace(bp, nargs, arg)
        !             8: struct b_proc *bp;
        !             9: int nargs;
        !            10: struct descrip *arg;
        !            11:    {
        !            12:    register int n;
        !            13: 
        !            14:    if (k_trace > 0)
        !            15:       k_trace--;
        !            16:    showline(file, line);
        !            17:    showlevel(k_level);
        !            18:    putstr(stderr, STRLOC(bp->pname), STRLEN(bp->pname));
        !            19:    putc('(', stderr);
        !            20:    while (nargs--) {
        !            21:       outimage(stderr, arg--, 0);
        !            22:       if (nargs)
        !            23:          putc(',', stderr);
        !            24:       }
        !            25:    putc(')', stderr);
        !            26:    putc('\n', stderr);
        !            27:    fflush(stderr);
        !            28:    }
        !            29: 
        !            30: /*
        !            31:  * rtrace - procedure *bp is returning *rval; produce a trace message.
        !            32:  */
        !            33: 
        !            34: rtrace(bp, rval)
        !            35: register struct b_proc *bp;
        !            36: struct descrip *rval;
        !            37:    {
        !            38:    register int n;
        !            39: 
        !            40:    if (k_trace > 0)
        !            41:       k_trace--;
        !            42:    showline(file, line);
        !            43:    showlevel(k_level);
        !            44:    putstr(stderr, STRLOC(bp->pname), STRLEN(bp->pname));
        !            45:    fprintf(stderr, " returned ");
        !            46:    outimage(stderr, rval, 0);
        !            47:    putc('\n', stderr);
        !            48:    fflush(stderr);
        !            49:    }
        !            50: 
        !            51: /*
        !            52:  * ftrace - procedure *bp is failing; produce a trace message.
        !            53:  */
        !            54: 
        !            55: ftrace(bp)
        !            56: register struct b_proc *bp;
        !            57:    {
        !            58:    register int n;
        !            59: 
        !            60:    if (k_trace > 0)
        !            61:       k_trace--;
        !            62:    showline(file, line);
        !            63:    showlevel(k_level);
        !            64:    putstr(stderr, STRLOC(bp->pname), STRLEN(bp->pname));
        !            65:    fprintf(stderr, " failed");
        !            66:    putc('\n', stderr);
        !            67:    fflush(stderr);
        !            68:    }
        !            69: 
        !            70: /*
        !            71:  * strace - procedure *bp is suspending *rval; produce a trace message.
        !            72:  */
        !            73: 
        !            74: strace(bp, rval)
        !            75: register struct b_proc *bp;
        !            76: struct descrip *rval;
        !            77:    {
        !            78:    register int n;
        !            79: 
        !            80:    if (k_trace > 0)
        !            81:       k_trace--;
        !            82:    showline(file, line);
        !            83:    showlevel(k_level);
        !            84:    putstr(stderr, STRLOC(bp->pname), STRLEN(bp->pname));
        !            85:    fprintf(stderr, " suspended ");
        !            86:    outimage(stderr, rval, 0);
        !            87:    putc('\n', stderr);
        !            88:    fflush(stderr);
        !            89:    }
        !            90: 
        !            91: /*
        !            92:  * atrace - procedure *bp is being resumed; produce a trace message.
        !            93:  */
        !            94: 
        !            95: atrace(bp)
        !            96: register struct b_proc *bp;
        !            97:    {
        !            98:    register int n;
        !            99: 
        !           100:    if (k_trace > 0)
        !           101:       k_trace--;
        !           102:    showline(file, line);
        !           103:    showlevel(k_level);
        !           104:    putstr(stderr, STRLOC(bp->pname), STRLEN(bp->pname));
        !           105:    fprintf(stderr, " resumed");
        !           106:    putc('\n', stderr);
        !           107:    fflush(stderr);
        !           108:    }
        !           109: 
        !           110: /*
        !           111:  * showline - print file and line number information.
        !           112:  */
        !           113: static showline(f, l)
        !           114: char *f;
        !           115: int l;
        !           116:    {
        !           117:    if (l > 0)
        !           118:       fprintf(stderr, "%.10s: %d\t", f, l);
        !           119:    else
        !           120:       fprintf(stderr, "\t\t");
        !           121:    }
        !           122: 
        !           123: /*
        !           124:  * showlevel - print "| " n times.
        !           125:  */
        !           126: static showlevel(n)
        !           127: register int n;
        !           128:    {
        !           129:    while (n-- > 0) {
        !           130:       putc('|', stderr);
        !           131:       putc(' ', stderr);
        !           132:       }
        !           133:    }

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