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Major refactoring. Major problems!

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On the right path but it doesn't work yet.
This commit is contained in:
Simon Brooke 2018-12-26 20:30:14 +00:00
parent ae8ba67ed7
commit 9937f344dc
20 changed files with 695 additions and 506 deletions
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120
src/memory/consspaceobject.c
View file

@ -63,98 +63,6 @@ void dec_ref( struct cons_pointer pointer ) {
}
}
void dump_string_cell( FILE * output, wchar_t *prefix,
struct cons_pointer pointer ) {
struct cons_space_object cell = pointer2cell( pointer );
if ( cell.payload.string.character == 0 ) {
fwprintf( output,
L"\t\t%ls cell: termination; next at page %d offset %d, count %u\n",
prefix,
cell.payload.string.cdr.page, cell.payload.string.cdr.offset,
cell.count );
} else {
fwprintf( output,
L"\t\t%ls cell: character '%lc' (%d) next at page %d offset %d, count %u\n",
prefix,
( wint_t ) cell.payload.string.character,
cell.payload.string.character,
cell.payload.string.cdr.page,
cell.payload.string.cdr.offset, cell.count );
fwprintf( output, L"\t\t value: " );
print( output, pointer );
fwprintf( output, L"\n" );
}
}
/**
* dump the object at this cons_pointer to this output stream.
*/
void dump_object( FILE * output, struct cons_pointer pointer ) {
struct cons_space_object cell = pointer2cell( pointer );
fwprintf( output,
L"\t%c%c%c%c (%d) at page %d, offset %d count %u\n",
cell.tag.bytes[0],
cell.tag.bytes[1],
cell.tag.bytes[2],
cell.tag.bytes[3],
cell.tag.value, pointer.page, pointer.offset, cell.count );
switch ( cell.tag.value ) {
case CONSTV:
fwprintf( output,
L"\t\tCons cell: car at page %d offset %d, cdr at page %d offset %d, count %u\n",
cell.payload.cons.car.page,
cell.payload.cons.car.offset,
cell.payload.cons.cdr.page,
cell.payload.cons.cdr.offset, cell.count );
break;
case EXCEPTIONTV:
fwprintf( output, L"\t\tException cell: " );
print( output, cell.payload.exception.message );
fwprintf( output, L"\n" );
for ( struct stack_frame * frame = cell.payload.exception.frame;
frame != NULL; frame = frame->previous ) {
dump_frame( output, frame );
}
break;
case FREETV:
fwprintf( output, L"\t\tFree cell: next at page %d offset %d\n",
cell.payload.cons.cdr.page,
cell.payload.cons.cdr.offset );
break;
case INTEGERTV:
fwprintf( output,
L"\t\tInteger cell: value %ld, count %u\n",
cell.payload.integer.value, cell.count );
break;
case LAMBDATV:
fwprintf( output, L"\t\tLambda cell; args: " );
print( output, cell.payload.lambda.args );
fwprintf( output, L";\n\t\t\tbody: " );
print( output, cell.payload.lambda.body );
break;
case RATIOTV:
fwprintf( output,
L"\t\tRational cell: value %ld/%ld, count %u\n",
pointer2cell( cell.payload.ratio.dividend ).payload.
integer.value,
pointer2cell( cell.payload.ratio.divisor ).payload.
integer.value, cell.count );
break;
case READTV:
fwprintf( output, L"\t\tInput stream\n" );
case REALTV:
fwprintf( output, L"\t\tReal cell: value %Lf, count %u\n",
cell.payload.real.value, cell.count );
break;
case STRINGTV:
dump_string_cell( output, L"String", pointer );
break;
case SYMBOLTV:
dump_string_cell( output, L"Symbol", pointer );
break;
}
}
/**
* Construct a cons cell from this pair of pointers.
@ -178,20 +86,24 @@ struct cons_pointer make_cons( struct cons_pointer car,
/**
* Construct an exception cell.
* @param message should be a lisp string describing the problem, but actually any cons pointer will do;
* @param frame should be the frame in which the exception occurred.
* @param frame_pointer should be the pointer to the frame in which the exception occurred.
*/
struct cons_pointer make_exception( struct cons_pointer message,
struct stack_frame *frame ) {
struct cons_pointer pointer = allocate_cell( EXCEPTIONTAG );
struct cons_space_object *cell = &pointer2cell( pointer );
struct cons_pointer frame_pointer ) {
struct cons_pointer result = NIL;
struct cons_pointer pointer = allocate_cell( EXCEPTIONTAG );
struct cons_space_object *cell = &pointer2cell( pointer );
inc_ref( pointer ); /* this is a hack; I don't know why it's necessary to do this, but if I don't the cell gets freed */
inc_ref( pointer ); /* this is a hack; I don't know why it's necessary to do this, but if I don't the cell gets freed */
inc_ref( message );
cell->payload.exception.message = message;
cell->payload.exception.frame = frame;
inc_ref( message );
inc_ref( frame_pointer);
cell->payload.exception.message = message;
cell->payload.exception.frame = frame_pointer;
return pointer;
result = pointer;
return result;
}
@ -200,7 +112,8 @@ struct cons_pointer make_exception( struct cons_pointer message,
*/
struct cons_pointer
make_function( struct cons_pointer src, struct cons_pointer ( *executable )
( struct stack_frame *, struct cons_pointer ) ) {
( struct stack_frame *,
struct cons_pointer, struct cons_pointer ) ) {
struct cons_pointer pointer = allocate_cell( FUNCTIONTAG );
struct cons_space_object *cell = &pointer2cell( pointer );
@ -298,7 +211,8 @@ struct cons_pointer make_symbol( wint_t c, struct cons_pointer tail ) {
*/
struct cons_pointer
make_special( struct cons_pointer src, struct cons_pointer ( *executable )
( struct stack_frame * frame, struct cons_pointer env ) ) {
( struct stack_frame * frame,
struct cons_pointer, struct cons_pointer env ) ) {
struct cons_pointer pointer = allocate_cell( SPECIALTAG );
struct cons_space_object *cell = &pointer2cell( pointer );