269 lines
10 KiB
C
269 lines
10 KiB
C
/**
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* memory/dump.c
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*
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* Dump objects to the error stream for.debugging purposes.
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* H'mmm... I think it is probably a mistake to do this in C. I need
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* to get primitive print working, and primitive eval/applu, and then
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* switch to Lisp.
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*
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* (c) 2026 Simon Brooke <simon@journeyman.cc>
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* Licensed under GPL version 2.0, or, at your option, any later version.
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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/*
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* wide characters
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*/
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#include <wchar.h>
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#include <wctype.h>
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#include "io/fopen.h"
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#include "io/print.h"
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#include "memory/pointer.h"
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#include "memory/pso.h"
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#include "memory/pso2.h"
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#include "memory/pso3.h"
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#include "memory/pso4.h"
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#include "memory/tags.h"
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#include "payloads/character.h"
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#include "payloads/cons.h"
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#include "payloads/exception.h"
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#include "payloads/free.h"
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#include "payloads/integer.h"
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#include "payloads/read_stream.h"
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#include "payloads/stack.h"
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#include "payloads/symbol.h"
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#include "payloads/time.h"
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//void dump_string_cell( URL_FILE *output, wchar_t *prefix,
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// struct pso_pointer pointer ) {
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// struct pso2* object = pointer_to_object( pointer );
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// if ( object->payload.string.character == 0 ) {
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// url_fwprintf( output,
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// L"\t\t%ls cell: termination; next at page %d offset %d, count %u\n",
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// prefix,
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// object->payload.string.cdr.page,
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// object->payload.string.cdr.offset, object->header.count );
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// } else {
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// url_fwprintf( output,
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// L"\t\t%ls cell: character '%lc' (%d) with hash %d; next at page %d offset %d, count %u\n",
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// prefix,
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// ( wint_t ) object->payload.string.character,
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// object->payload.string.character,
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// object->payload.string.hash,
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// object->payload.string.cdr.page,
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// object->payload.string.cdr.offset, object->header.count );
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//// url_fwprintf( output, L"\t\t value: " );
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//// print( output, pointer );
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// url_fwprintf( output, L"\n" );
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// }
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//}
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//
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//
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//void dump_frame_context_fragment( URL_FILE *output,
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// struct pso_pointer frame_pointer,
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// uint arg) {
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// if ( stackp(frame_pointer ) {
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// struct pso4 *frame = pointer_to_pso4( frame_pointer );
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//
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// url_fwprintf( output, L" <= " );
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//// print( frame->payload.stack_frame.arg[arg], output );
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// }
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//}
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//
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//void dump_frame_context( URL_FILE *output, struct pso_pointer frame_pointer,
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// int depth ) {
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// if ( framep(frame_pointer) ) {
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// struct pso4 *frame = pointer_to_pso4( frame_pointer );
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//
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// url_fwprintf( output, L"\tContext: " );
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//
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// int i = 0;
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// for ( struct pso_pointer cursor = frame_pointer;
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// i++ < depth && !nilp( cursor );
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// cursor = frame_get_previous( cursor ) ) {
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// dump_frame_context_fragment( output, cursor, 0 );
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// }
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//
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// url_fwprintf( output, L"\n" );
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// }
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//}
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//
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///**
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// * Dump a stackframe to this stream for debugging
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// * @param output the stream
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// * @param frame_pointer the pointer to the frame
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// */
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//void dump_frame( URL_FILE *output, struct pso_pointer frame_pointer ) {
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// if ( framep(frame_pointer) ) {
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// struct pso4 *frame = pointer_to_pso4( frame_pointer );
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//
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// url_fwprintf( output, L"Stack frame %d with %d arguments:\n",
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// frame->payload.stack_frame.depth, frame->payload.stack_frame.args );
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// dump_frame_context( output, frame_pointer, 4 );
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//
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// for ( int arg = 0; arg < frame->payload.stack_frame.args; arg++ ) {
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// struct pso2* object = fetch_arg(frame, arg);
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//
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// url_fwprintf( output, L"\tArg %d:\t%3.3s\tcount: %10u\tvalue: ",
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// arg, object->header.tag.bytes.mnemonic[0], object->header.count );
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//
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// print( output, frame->payload.stack_frame.arg[arg] );
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// url_fputws( L"\n", output );
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// }
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// if ( !nilp( frame->more ) ) {
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// url_fputws( L"More: \t", output );
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// print( output, frame->more );
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// url_fputws( L"\n", output );
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// }
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// }
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//}
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//
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//
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//void dump_stack_trace( URL_FILE *output, struct pso_pointer pointer ) {
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// if ( exceptionp( pointer ) ) {
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// struct pso3* exep = pointer_to_pso3( pointer);
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// print( output, exep->payload.exception. );
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// url_fputws( L"\n", output );
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// dump_stack_trace( output,
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// exep->payload.exception.stack );
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// } else {
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// while ( stackp( pointer) ) {
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// dump_frame( output, pointer );
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// pointer = pointer_to_pso4( pointer )->payload.stack_frame.previous;
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// }
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// }
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//}
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//
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//
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///**
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// * dump the object at this pso_pointer to this output stream.
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// * TODO: convert this into a proper Lisp function and move to ops
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// */
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//struct pso_pointer dump_object( struct pso_pointer frame_pointer ) {
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// struct pso_pointer result = nil;
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//
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// if (stackp(frame_pointer)) {
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// struct pso4* frame = pointer_to_pso4( frame_pointer);
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//
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// struct pso_pointer pointer = fetch_arg( frame, 0);
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// struct pso_pointer stream = fetch_arg( frame, 1);
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//
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// if (!writep(stream)) {
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// stream = lisp_stdout;
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// }
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//
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// struct pso2* object = pointer_to_object( pointer );
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// url_fwprintf( output, L"\t%3.3s (%d) of size class %d at page %d, offset %d count %u\n",
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// object->header.tag.bytes.mnemonic[0],
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// get_tag_value(pointer),
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// object->header.tag.bytes.size_class,
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// pointer.page, pointer.offset,
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// object->header.count );
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//
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// switch ( get_tag_value( pointer) ) {
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// case CONSTV:
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// url_fwprintf( output,
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// L"\t\tCons object: car at page %d offset %d, cdr at page %d "
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// L"offset %d :",
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// object->payload.cons.car.page,
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// object->payload.cons.car.offset,
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// object->payload.cons.cdr.page,
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// object->payload.cons.cdr.offset);
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// print( output, pointer );
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// url_fputws( L"\n", output );
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// break;
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// case EXCEPTIONTV:
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// url_fwprintf( output, L"\t\tException object: " );
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// dump_stack_trace( output, pointer );
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// break;
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// case FREETV:
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// url_fwprintf( output,
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// L"\t\tFree object: next at page %d offset %d\n",
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// object->payload.free.next.page,
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// object->payload.free.next.offset);
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// break;
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// case INTEGERTV:
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// url_fwprintf( output, L"\t\tInteger object: value %ld\n",
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// object->payload.integer.value );
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// break;
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// case KEYTV:
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// dump_string_cell( output, L"Keyword", pointer );
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// break;
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//// case LAMBDATV:
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//// url_fwprintf( output, L"\t\t\u03bb object;\n\t\t args: " );
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//// print( output, object->payload.lambda.args );
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//// url_fwprintf( output, L";\n\t\t\tbody: " );
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//// print( output, object->payload.lambda.body );
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//// url_fputws( L"\n", output );
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//// break;
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//// case NILTV:
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//// break;
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//// case NLAMBDATV:
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//// url_fwprintf( output, L"\t\tn\u03bb object; \n\t\targs: " );
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//// print( output, object->payload.lambda.args );
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//// url_fwprintf( output, L";\n\t\t\tbody: " );
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//// print( output, object->payload.lambda.body );
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//// url_fputws( L"\n", output );
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//// break;
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//// case RATIOTV:
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//// url_fwprintf( output,
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//// L"\t\tRational object: value %ld/%ld, count %u\n",
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//// pointer_to_object( object->payload.ratio.dividend ).
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//// payload.integer.value,
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//// pointer_to_object( object->payload.ratio.divisor ).
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//// payload.integer.value, object->count );
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//// break;
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// case READTV:
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// url_fputws( L"\t\tInput stream; metadata: ", output );
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//// print( output, object->payload.stream.meta );
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// url_fputws( L"\n", output );
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// break;
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//// case REALTV:
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//// url_fwprintf( output, L"\t\tReal object: value %Lf, count %u\n",
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//// object->payload.real.value, object->count );
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//// break;
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// case STRINGTV:
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// dump_string_cell( output, L"String", pointer );
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// break;
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// case SYMBOLTV:
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// dump_string_cell( output, L"Symbol", pointer );
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// break;
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//// case TRUETV:
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//// break;
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//// case VECTORPOINTTV:{
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//// url_fwprintf( output,
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//// L"\t\tPointer to vector-space object at %p\n",
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//// object->payload.vectorp.address );
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//// struct vector_space_object *vso = object->payload.vectorp.address;
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//// url_fwprintf( output,
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//// L"\t\tVector space object of type %4.4s (%d), payload size "
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//// L"%d bytes\n",
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//// &vso->header.tag.bytes, vso->header.tag.value,
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//// vso->header.size );
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////
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//// switch ( vso->header.tag.value ) {
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//// case STACKFRAMETV:
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//// dump_frame( output, pointer );
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//// break;
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//// case HASHTV:
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//// dump_map( output, pointer );
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//// break;
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//// }
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//// }
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//// break;
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// case WRITETV:
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// url_fputws( L"\t\tOutput stream; metadata: ", output );
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//// print( output, object->payload.stream.meta );
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//// url_fputws( L"\n", output );
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// break;
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// }
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// } // TODO: else exception
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//
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// return result;
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//}
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