Major refactoring. Major problems!

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

View file

@ -13,6 +13,7 @@
#include "conspage.h"
#include "consspaceobject.h"
#include "dump.h"
#include "equal.h"
#include "integer.h"
#include "lispops.h"
@ -24,7 +25,7 @@
* declared in peano.c, can't include piano.h here because
* circularity. TODO: refactor.
*/
struct cons_pointer inverse( struct stack_frame *frame,
struct cons_pointer inverse( struct cons_pointer frame_pointer,
struct cons_pointer arg );
/**
@ -54,7 +55,7 @@ int64_t least_common_multiple( int64_t m, int64_t n ) {
* be in a simplified representation. If `arg` isn't a ratio,
* will throw exception.
*/
struct cons_pointer simplify_ratio( struct stack_frame *frame,
struct cons_pointer simplify_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg ) {
struct cons_pointer result = arg;
@ -70,15 +71,15 @@ struct cons_pointer simplify_ratio( struct stack_frame *frame,
result = make_integer( ddrv / gcd );
} else {
result =
make_ratio( frame, make_integer( ddrv / gcd ),
make_ratio( frame_pointer, make_integer( ddrv / gcd ),
make_integer( drrv / gcd ) );
}
}
} else {
result =
lisp_throw( make_cons( c_string_to_lisp_string
throw_exception( make_cons( c_string_to_lisp_string
( "Shouldn't happen: bad arg to simplify_ratio" ),
arg ), frame );
arg ), frame_pointer );
}
return result;
@ -91,7 +92,7 @@ struct cons_pointer simplify_ratio( struct stack_frame *frame,
* the ratios indicated by `arg1` and `arg2`. If you pass non-ratios,
* this is going to break horribly.
*/
struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
struct cons_pointer add_ratio_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 ) {
struct cons_pointer r, result;
@ -123,7 +124,7 @@ struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
#endif
if ( dr1v == dr2v ) {
r = make_ratio( frame,
r = make_ratio( frame_pointer,
make_integer( dd1v + dd2v ),
cell1.payload.ratio.divisor );
} else {
@ -131,10 +132,10 @@ struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
dr1vm = make_integer( dr1v * m1 ),
dd2vm = make_integer( dd2v * m2 ),
dr2vm = make_integer( dr2v * m2 ),
r1 = make_ratio( frame, dd1vm, dr1vm ),
r2 = make_ratio( frame, dd2vm, dr2vm );
r1 = make_ratio( frame_pointer, dd1vm, dr1vm ),
r2 = make_ratio( frame_pointer, dd2vm, dr2vm );
r = add_ratio_ratio( frame, r1, r2 );
r = add_ratio_ratio( frame_pointer, r1, r2 );
/* because the references on dd1vm, dr1vm, dd2vm and dr2vm were
* never incremented except when making r1 and r2, decrementing
@ -143,17 +144,17 @@ struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
dec_ref( r2 );
}
result = simplify_ratio( frame, r );
result = simplify_ratio( frame_pointer, r );
if ( !eq( r, result ) ) {
dec_ref( r );
}
} else {
result =
lisp_throw( make_cons( c_string_to_lisp_string
throw_exception( make_cons( c_string_to_lisp_string
( "Shouldn't happen: bad arg to add_ratio_ratio" ),
make_cons( arg1,
make_cons( arg2, NIL ) ) ),
frame );
frame_pointer );
}
#ifdef DEBUG
@ -171,26 +172,26 @@ struct cons_pointer add_ratio_ratio( struct stack_frame *frame,
* the intger indicated by `intarg` and the ratio indicated by
* `ratarg`. If you pass other types, this is going to break horribly.
*/
struct cons_pointer add_integer_ratio( struct stack_frame *frame,
struct cons_pointer add_integer_ratio( struct cons_pointer frame_pointer,
struct cons_pointer intarg,
struct cons_pointer ratarg ) {
struct cons_pointer result;
if ( integerp( intarg ) && ratiop( ratarg ) ) {
struct cons_pointer one = make_integer( 1 ),
ratio = make_ratio( frame, intarg, one );
ratio = make_ratio( frame_pointer, intarg, one );
result = add_ratio_ratio( frame, ratio, ratarg );
result = add_ratio_ratio( frame_pointer, ratio, ratarg );
dec_ref( one );
dec_ref( ratio );
} else {
result =
lisp_throw( make_cons( c_string_to_lisp_string
throw_exception( make_cons( c_string_to_lisp_string
( "Shouldn't happen: bad arg to add_integer_ratio" ),
make_cons( intarg,
make_cons( ratarg, NIL ) ) ),
frame );
frame_pointer );
}
return result;
@ -201,15 +202,15 @@ struct cons_pointer add_integer_ratio( struct stack_frame *frame,
* indicated by `arg1` divided by the ratio indicated by `arg2`. If either
* of these aren't RTIO cells, something horrid will happen and it is YOUR FAULT.
*/
struct cons_pointer divide_ratio_ratio( struct stack_frame *frame,
struct cons_pointer divide_ratio_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 ) {
struct cons_pointer i = make_ratio( frame,
struct cons_pointer i = make_ratio( frame_pointer,
pointer2cell( arg2 ).payload.ratio.
divisor,
pointer2cell( arg2 ).payload.ratio.
dividend ), result =
multiply_ratio_ratio( frame, arg1, i );
multiply_ratio_ratio( frame_pointer, arg1, i );
dec_ref( i );
@ -221,9 +222,7 @@ struct cons_pointer divide_ratio_ratio( struct stack_frame *frame,
* the ratios indicated by `arg1` and `arg2`. If you pass non-ratios,
* this is going to break horribly.
*/
struct cons_pointer multiply_ratio_ratio( struct
stack_frame
*frame, struct
struct cons_pointer multiply_ratio_ratio( struct cons_pointer frame_pointer, struct
cons_pointer arg1, struct
cons_pointer arg2 ) {
struct cons_pointer result;
@ -249,18 +248,18 @@ struct cons_pointer multiply_ratio_ratio( struct
ddrv = dd1v * dd2v, drrv = dr1v * dr2v;
struct cons_pointer unsimplified =
make_ratio( frame, make_integer( ddrv ),
make_ratio( frame_pointer, make_integer( ddrv ),
make_integer( drrv ) );
result = simplify_ratio( frame, unsimplified );
result = simplify_ratio( frame_pointer, unsimplified );
if ( !eq( unsimplified, result ) ) {
dec_ref( unsimplified );
}
} else {
result =
lisp_throw( c_string_to_lisp_string
throw_exception( c_string_to_lisp_string
( "Shouldn't happen: bad arg to multiply_ratio_ratio" ),
frame );
frame_pointer );
}
return result;
@ -271,23 +270,23 @@ struct cons_pointer multiply_ratio_ratio( struct
* the intger indicated by `intarg` and the ratio indicated by
* `ratarg`. If you pass other types, this is going to break horribly.
*/
struct cons_pointer multiply_integer_ratio( struct stack_frame *frame,
struct cons_pointer multiply_integer_ratio( struct cons_pointer frame_pointer,
struct cons_pointer intarg,
struct cons_pointer ratarg ) {
struct cons_pointer result;
if ( integerp( intarg ) && ratiop( ratarg ) ) {
struct cons_pointer one = make_integer( 1 ),
ratio = make_ratio( frame, intarg, one );
result = multiply_ratio_ratio( frame, ratio, ratarg );
ratio = make_ratio( frame_pointer, intarg, one );
result = multiply_ratio_ratio( frame_pointer, ratio, ratarg );
dec_ref( one );
dec_ref( ratio );
} else {
result =
lisp_throw( c_string_to_lisp_string
throw_exception( c_string_to_lisp_string
( "Shouldn't happen: bad arg to multiply_integer_ratio" ),
frame );
frame_pointer );
}
return result;
@ -299,11 +298,11 @@ struct cons_pointer multiply_integer_ratio( struct stack_frame *frame,
* the ratios indicated by `arg1` and `arg2`. If you pass non-ratios,
* this is going to break horribly.
*/
struct cons_pointer subtract_ratio_ratio( struct stack_frame *frame,
struct cons_pointer subtract_ratio_ratio( struct cons_pointer frame_pointer,
struct cons_pointer arg1,
struct cons_pointer arg2 ) {
struct cons_pointer i = inverse( frame, arg2 ),
result = add_ratio_ratio( frame, arg1, i );
struct cons_pointer i = inverse( frame_pointer, arg2 ),
result = add_ratio_ratio( frame_pointer, arg1, i );
dec_ref( i );
@ -315,7 +314,7 @@ struct cons_pointer subtract_ratio_ratio( struct stack_frame *frame,
* Construct a ratio frame from these two pointers, expected to be integers
* or (later) bignums, in the context of this stack_frame.
*/
struct cons_pointer make_ratio( struct stack_frame *frame,
struct cons_pointer make_ratio( struct cons_pointer frame_pointer,
struct cons_pointer dividend,
struct cons_pointer divisor ) {
struct cons_pointer result;
@ -328,9 +327,9 @@ struct cons_pointer make_ratio( struct stack_frame *frame,
cell->payload.ratio.divisor = divisor;
} else {
result =
lisp_throw( c_string_to_lisp_string
throw_exception( c_string_to_lisp_string
( "Dividend and divisor of a ratio must be integers" ),
frame );
frame_pointer );
}
#ifdef DEBUG
dump_object( stderr, result );