167 lines
6.3 KiB
C
167 lines
6.3 KiB
C
/*
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* dump.c
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*
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* Dump representations of both cons space and vector space objects.
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*
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*
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* (c) 2018 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 "memory/conspage.h"
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#include "memory/consspaceobject.h"
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#include "debug.h"
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#include "memory/hashmap.h"
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#include "ops/intern.h"
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#include "io/io.h"
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#include "io/print.h"
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#include "memory/stack.h"
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#include "memory/vectorspace.h"
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void dump_string_cell( URL_FILE * output, wchar_t *prefix,
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struct cons_pointer pointer ) {
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struct cons_space_object cell = pointer2cell( pointer );
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if ( cell.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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cell.payload.string.cdr.page,
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cell.payload.string.cdr.offset, cell.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 ) cell.payload.string.character,
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cell.payload.string.character,
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cell.payload.string.hash,
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cell.payload.string.cdr.page,
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cell.payload.string.cdr.offset, cell.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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* dump the object at this cons_pointer to this output stream.
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*/
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void dump_object( URL_FILE * output, struct cons_pointer pointer ) {
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struct cons_space_object cell = pointer2cell( pointer );
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url_fwprintf( output, L"\t%4.4s (%d) at page %d, offset %d count %u\n",
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cell.tag.bytes, cell.tag.value, pointer.page, pointer.offset,
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cell.count );
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switch ( cell.tag.value ) {
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case CONSTV:
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url_fwprintf( output,
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L"\t\tCons cell: car at page %d offset %d, cdr at page %d "
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L"offset %d, count %u :",
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cell.payload.cons.car.page,
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cell.payload.cons.car.offset,
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cell.payload.cons.cdr.page,
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cell.payload.cons.cdr.offset, cell.count );
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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 cell: " );
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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 cell: next at page %d offset %d\n",
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cell.payload.cons.cdr.page,
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cell.payload.cons.cdr.offset );
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break;
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case INTEGERTV:
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url_fwprintf( output, L"\t\tInteger cell: value %ld, count %u\n",
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cell.payload.integer.value, cell.count );
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if ( !nilp( cell.payload.integer.more ) ) {
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url_fputws( L"\t\tBIGNUM! More at:\n", output );
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dump_object( output, cell.payload.integer.more );
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}
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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 cell;\n\t\t args: " );
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print( output, cell.payload.lambda.args );
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url_fwprintf( output, L";\n\t\t\tbody: " );
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print( output, cell.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 cell; \n\t\targs: " );
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print( output, cell.payload.lambda.args );
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url_fwprintf( output, L";\n\t\t\tbody: " );
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print( output, cell.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 cell: value %ld/%ld, count %u\n",
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pointer2cell( cell.payload.ratio.dividend ).payload.
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integer.value,
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pointer2cell( cell.payload.ratio.divisor ).payload.
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integer.value, cell.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, cell.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 cell: value %Lf, count %u\n",
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cell.payload.real.value, cell.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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cell.payload.vectorp.address );
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struct vector_space_object *vso = cell.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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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, cell.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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}
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