53 lines
942 B
R
53 lines
942 B
R
#include "Continuation.h"
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#include "Machine.h"
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#include "Cons.h"
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#include "defs.h"
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@implementation Continuation
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+ (id) newWithState: (state_t *) st pc: (int) p
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{
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return [[self alloc] initWithState: st pc: p];
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}
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- (id) initWithState: (state_t *) st pc: (int) p
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{
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self = [self init];
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state.program = st.program;
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state.pc = p;
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state.literals = st.literals;
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state.stack = st.stack;
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state.cont = st.cont;
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state.env = st.env;
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state.proc = st.proc;
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state.lineinfo = st.lineinfo;
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return self;
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}
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- (void) restoreOnMachine: (Machine *) m
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{
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[m state: &state];
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return;
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}
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- (void) invokeOnMachine: (Machine *) m
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{
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[m value: [(Cons *) [m stack] car]];
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[m state: &state];
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return;
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}
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- (void) markReachable
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{
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[state.literals mark];
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[state.stack mark];
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[state.cont mark];
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[state.env mark];
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[state.proc mark];
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}
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- (string) printForm
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{
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return "<continuation>";
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}
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@end
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