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Annotation of 42BSD/ucb/pascal/pdx/runtime/wheredump.c, revision 1.1

1.1     ! root        1: /* Copyright (c) 1982 Regents of the University of California */
        !             2: 
        !             3: static char sccsid[] = "@(#)wheredump.c 1.2 2/11/82";
        !             4: 
        !             5: /*
        !             6:  * Print a list of currently active blocks starting with most recent.
        !             7:  */
        !             8: 
        !             9: #include "defs.h"
        !            10: #include "runtime.h"
        !            11: #include "frame.rep"
        !            12: #include "sym.h"
        !            13: #include "machine.h"
        !            14: #include "object.h"
        !            15: #include "mappings.h"
        !            16: 
        !            17: where()
        !            18: {
        !            19:     FRAME *frp;
        !            20:     ADDRESS prevpc;
        !            21:     LINENO line;
        !            22:     SYM *f;
        !            23: 
        !            24:     if (pc == 0) {
        !            25:        error("program is not active");
        !            26:     }
        !            27:     prevpc = pc;
        !            28:     for (frp = curframe(); frp != NIL; frp = nextframe(frp)) {
        !            29:        f = whatblock(entry(frp));
        !            30:        line = srcline(prevpc);
        !            31:        printf("%s", name(f));
        !            32:        printparams(f, frp);
        !            33:        printf(", ");
        !            34:        printwhere(line, srcfilename(prevpc));
        !            35:        printf("\n");
        !            36:        prevpc = frp->save_pc;
        !            37:     }
        !            38:     line = srcline(prevpc);
        !            39:     printf("%s, ", name(program));
        !            40:     printwhere(line, srcfilename(prevpc));
        !            41:     printf("\n");
        !            42: }
        !            43: 
        !            44: /*
        !            45:  * Dump the world to the given file.
        !            46:  * Like "where", but variables are dumped also.
        !            47:  */
        !            48: 
        !            49: dump()
        !            50: {
        !            51:     FRAME *frp;
        !            52:     ADDRESS prevpc;
        !            53:     LINENO line;
        !            54:     SYM *f;
        !            55: 
        !            56:     if (pc == 0) {
        !            57:        error("program is not active");
        !            58:     }
        !            59:     prevpc = pc;
        !            60:     for (frp = curframe(); frp != NIL; frp = nextframe(frp)) {
        !            61:        f = whatblock(entry(frp));
        !            62:        line = srcline(prevpc);
        !            63:        printf("%s", name(f));
        !            64:        printparams(f, frp);
        !            65:        printf(", ");
        !            66:        printwhere(line, srcfilename(prevpc));
        !            67:        printf("\n");
        !            68:        dumpvars(f, frp);
        !            69:        putchar('\n');
        !            70:        prevpc = frp->save_pc;
        !            71:     }
        !            72:     line = srcline(prevpc);
        !            73:     printf("%s, ", name(program));
        !            74:     printwhere(line, srcfilename(prevpc));
        !            75:     printf("\n");
        !            76:     dumpvars(program, NIL);
        !            77: }

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