Reorganised source files to make navigation easier

All tests still pass (slightly to my surprise)
This commit is contained in:
Simon Brooke 2018-12-24 19:27:04 +00:00
parent f6ff403249
commit a5e1d3ccd8
24 changed files with 73 additions and 72 deletions

View file

@ -132,10 +132,10 @@ struct cons_pointer simplify_ratio( struct stack_frame *frame,
struct cons_pointer arg ) {
struct cons_pointer result = arg;
long int ddrv =
pointer2cell( pointer2cell( arg ).payload.ratio.dividend ).payload.
integer.value, drrv =
pointer2cell( pointer2cell( arg ).payload.ratio.divisor ).payload.
integer.value, gcd = greatest_common_divisor( ddrv, drrv );
pointer2cell( pointer2cell( arg ).payload.ratio.dividend ).
payload.integer.value, drrv =
pointer2cell( pointer2cell( arg ).payload.ratio.divisor ).
payload.integer.value, gcd = greatest_common_divisor( ddrv, drrv );
if ( gcd > 1 ) {
if ( drrv / gcd == 1 ) {
@ -181,8 +181,8 @@ struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
if ( dr1v == dr2v ) {
r = make_ratio( frame,
make_integer( dd1v + dd2v ),
cell1.payload.ratio.divisor );
make_integer( dd1v + dd2v ),
cell1.payload.ratio.divisor );
} else {
struct cons_pointer dd1vm = make_integer( dd1v * m1 ),
dr1vm = make_integer( dr1v * m1 ),
@ -404,8 +404,8 @@ struct cons_pointer multiply_integer_ratio( struct stack_frame *frame,
ratio = make_ratio( frame, intarg, one ),
result = multiply_ratio_ratio( frame, ratio, ratarg );
dec_ref( one);
dec_ref( ratio);
dec_ref( one );
dec_ref( ratio );
return result;
}
@ -561,8 +561,8 @@ struct cons_pointer inverse( struct stack_frame *frame,
case RATIOTV:
result = make_ratio( frame,
make_integer( 0 -
to_long_int( cell.payload.ratio.
dividend ) ),
to_long_int( cell.payload.
ratio.dividend ) ),
cell.payload.ratio.divisor );
break;
case REALTV:
@ -692,10 +692,10 @@ struct cons_pointer divide_ratio_ratio( struct stack_frame *frame,
struct cons_pointer arg1,
struct cons_pointer arg2 ) {
struct cons_pointer i = make_ratio( frame,
pointer2cell( arg2 ).payload.ratio.
divisor,
pointer2cell( arg2 ).payload.ratio.
dividend ), result =
pointer2cell( arg2 ).payload.
ratio.divisor,
pointer2cell( arg2 ).payload.
ratio.dividend ), result =
multiply_ratio_ratio( frame, arg1, i );
dec_ref( i );
@ -726,22 +726,23 @@ struct cons_pointer lisp_divide( struct
case EXCEPTIONTV:
result = frame->arg[1];
break;
case INTEGERTV: {
struct cons_pointer unsimplified = make_ratio( frame, frame->arg[0], frame->arg[1] );
result = simplify_ratio(frame, unsimplified);
if (!eq(unsimplified,result)){
dec_ref(unsimplified);
}
}
case INTEGERTV:{
struct cons_pointer unsimplified =
make_ratio( frame, frame->arg[0], frame->arg[1] );
result = simplify_ratio( frame, unsimplified );
if ( !eq( unsimplified, result ) ) {
dec_ref( unsimplified );
}
}
break;
case RATIOTV: {
struct cons_pointer one = make_integer( 1 );
struct cons_pointer ratio =
make_ratio( frame, frame->arg[0], one );
result =
divide_ratio_ratio( frame, ratio, frame->arg[1] );
dec_ref( ratio );
}
case RATIOTV:{
struct cons_pointer one = make_integer( 1 );
struct cons_pointer ratio =
make_ratio( frame, frame->arg[0], one );
result =
divide_ratio_ratio( frame, ratio, frame->arg[1] );
dec_ref( ratio );
}
break;
case REALTV:
result =
@ -760,13 +761,14 @@ struct cons_pointer lisp_divide( struct
case EXCEPTIONTV:
result = frame->arg[1];
break;
case INTEGERTV: {
struct cons_pointer one = make_integer( 1 );
struct cons_pointer ratio =
make_ratio( frame, frame->arg[1], one );
result = divide_ratio_ratio( frame, frame->arg[0], ratio );
dec_ref( ratio );
}
case INTEGERTV:{
struct cons_pointer one = make_integer( 1 );
struct cons_pointer ratio =
make_ratio( frame, frame->arg[1], one );
result =
divide_ratio_ratio( frame, frame->arg[0], ratio );
dec_ref( ratio );
}
break;
case RATIOTV:
result =

View file

@ -159,13 +159,14 @@ void free_cell( struct cons_pointer pointer ) {
case SYMBOLTV:
dec_ref( cell->payload.string.cdr );
break;
case VECTORPOINTTV:
case VECTORPOINTTV:
/* for vector space pointers, free the actual vector-space
* object. Dangerous! */
#ifdef DEBUG
fwprintf(stderr, L"About to free vector-space object at %ld\n", cell->payload.vectorp.address);
fwprintf( stderr, L"About to free vector-space object at %ld\n",
cell->payload.vectorp.address );
#endif
free( (void *)cell->payload.vectorp.address);
free( ( void * ) cell->payload.vectorp.address );
break;
}

View file

@ -136,10 +136,10 @@ void dump_object( FILE * output, struct cons_pointer pointer ) {
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 );
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" );

View file

@ -29,14 +29,14 @@
* NOTE that `tag` should be the vector-space tag of the particular type of
* vector-space object, NOT `VECTORPOINTTAG`.
*/
struct cons_pointer make_vec_pointer(char *tag, uint64_t address) {
struct cons_pointer make_vec_pointer( char *tag, uint64_t address ) {
struct cons_pointer pointer = allocate_cell( VECTORPOINTTAG );
struct cons_space_object cell = pointer2cell( pointer );
strncpy( &cell.payload.vectorp.tag.bytes[0], tag, 4 );
cell.payload.vectorp.address = address;
return pointer;
return pointer;
}
/**
@ -45,25 +45,25 @@ struct cons_pointer make_vec_pointer(char *tag, uint64_t address) {
* NOTE that `tag` should be the vector-space tag of the particular type of
* vector-space object, NOT `VECTORPOINTTAG`.
*/
struct cons_pointer make_vso( char *tag, long int payload_size) {
struct cons_pointer result = NIL;
long int total_size = sizeof(struct vector_space_header) + payload_size;
struct cons_pointer make_vso( char *tag, long int payload_size ) {
struct cons_pointer result = NIL;
long int total_size = sizeof( struct vector_space_header ) + payload_size;
struct vector_space_header *vso = malloc(total_size );
struct vector_space_header *vso = malloc( total_size );
if (vso != NULL) {
strncpy( vso->tag.bytes[0], tag, TAGLENGTH );
vso->vecp = make_vec_pointer(tag, (uint64_t)vso);
vso->size = payload_size;
if ( vso != NULL ) {
strncpy( &vso->tag.bytes[0], tag, TAGLENGTH );
vso->vecp = make_vec_pointer( tag, ( uint64_t ) vso );
vso->size = payload_size;
#ifdef DEBUG
fwprintf(stderr, L"Allocated vector-space object of type %s, total size %ld, payload size %ld\n",
tag, total_size, payload_size);
fwprintf( stderr,
L"Allocated vector-space object of type %s, total size %ld, payload size %ld\n",
tag, total_size, payload_size );
#endif
result = vso->vecp;
}
result = vso->vecp;
}
return result;
return result;
}

View file

@ -42,10 +42,10 @@
#define pointer_to_vso(pointer)(vectorpointp(pointer)? pointer2cell(pointer).payload.vectorp.address : 0)
struct cons_pointer make_vso( char *tag, long int payload_size);
struct cons_pointer make_vso( char *tag, long int payload_size );
struct vector_space_header {
union {
union {
char bytes[TAGLENGTH]; /* the tag (type) of the
* vector-space object this cell
* points to, considered as bytes.
@ -56,15 +56,13 @@ struct vector_space_header {
} tag;
struct cons_pointer vecp; /* back pointer to the vector pointer
* which uniquely points to this vso */
uint64_t size; /* the size of my payload, in bytes */
char mark; /* mark bit for marking/sweeping the
uint64_t size; /* the size of my payload, in bytes */
char mark; /* mark bit for marking/sweeping the
* heap (not in this version) */
char payload; /* we'll malloc `size` bytes for payload,
char payload; /* we'll malloc `size` bytes for payload,
* `payload` is just the first of these.
* TODO: this is almost certainly not
* idiomatic C. */
};
#endif

View file

@ -80,8 +80,8 @@ bool equal( struct cons_pointer a, struct cons_pointer b ) {
&& ( equal( cell_a->payload.string.cdr,
cell_b->payload.string.cdr )
|| ( end_of_string( cell_a->payload.string.cdr )
&& end_of_string( cell_b->payload.string.
cdr ) ) );
&& end_of_string( cell_b->payload.
string.cdr ) ) );
break;
case INTEGERTV:
result =

View file

@ -132,8 +132,8 @@ struct cons_pointer print( FILE * output, struct cons_pointer pointer ) {
case LAMBDATV:
print( output, make_cons( c_string_to_lisp_symbol( "lambda" ),
make_cons( cell.payload.lambda.args,
cell.payload.
lambda.body ) ) );
cell.payload.lambda.
body ) ) );
break;
case NILTV:
fwprintf( output, L"nil" );
@ -141,8 +141,8 @@ struct cons_pointer print( FILE * output, struct cons_pointer pointer ) {
case NLAMBDATV:
print( output, make_cons( c_string_to_lisp_symbol( "nlambda" ),
make_cons( cell.payload.lambda.args,
cell.payload.
lambda.body ) ) );
cell.payload.lambda.
body ) ) );
break;
case RATIOTV:
print( output, cell.payload.ratio.dividend );