extern "C" closure builtin_function_vector_from_list(OperationArgs& Args)
{
object_ptr<EVector> v (new EVector);
const closure* top = &Args.evaluate_slot_to_closure(0);
while(top->exp.size())
{
assert(has_constructor(top->exp,":"));
assert(top->exp.size() == 2);
int element_index = top->exp.sub()[0].as_index_var();
int element_reg = top->lookup_in_env( element_index );
int next_index = top->exp.sub()[1].as_index_var();
int next_reg = top->lookup_in_env( next_index );
// Add the element to the list.
v->push_back( Args.evaluate_reg_to_object(element_reg) );
// Move to the next element or end
top = &Args.evaluate_reg_to_closure(next_reg);
}
assert(has_constructor(top->exp,"[]"));
return v;
}
extern "C" closure builtin_function_join(OperationArgs& Args)
{
Args.evaluate_slot_to_reg(0);
int R = Args.evaluate_slot_to_reg(1);
return {index_var(0),{R}};
}
extern "C" closure builtin_function_get_modifiable_for_index(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
int R1 = Args.evaluate(0).as_int();
return {index_var(0),{R1}};
}
extern "C" closure builtin_function_seq(OperationArgs& Args)
{
Args.evaluate_slot_no_record(0);
int index = Args.reference(1).as_index_var();
int R = Args.current_closure().lookup_in_env( index);
return {index_var(0),{R}};
}
extern "C" closure builtin_function_get_modifiable_index(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
int R1 = Args.evaluate_slot_to_reg(0);
const reg_heap& M = Args.memory();
assert(is_modifiable(M.access(R1).C.exp));
return {R1};
}
extern "C" closure builtin_function_is_modifiable(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
int R1 = Args.evaluate_slot_to_reg(0);
const reg_heap& M = Args.memory();
if (M.access(R1).C.exp.head().type() == modifiable_type)
return constructor("Prelude.True",0);
else
return constructor("Prelude.False",0);
}
extern "C" closure builtin_function_is_changeable(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
int R1 = Args.evaluate_slot_to_reg(0);
const reg_heap& M = Args.memory();
if (M.reg_is_changeable(R1))
return constructor("Prelude.True",0);
else
return constructor("Prelude.False",0);
}
extern "C" closure builtin_function_trigger(OperationArgs& Args)
{
int i = Args.evaluate(0).as_int();
reg_heap& M = Args.memory();
// We should be executing in the root token
M.triggers().push_back(i);
return constructor("()",0);
}
extern "C" closure builtin_function_register_probability(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
int R = Args.reg_for_slot(0);
auto& M = Args.memory();
M.register_probability(R);
return constructor("()",0);
}
extern "C" closure builtin_function_set_modifiable_value(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
int c = Args.evaluate(0).as_int();
int R1 = Args.evaluate_slot_to_reg(1);
int R2 = Args.evaluate_slot_to_reg(2);
Args.memory().set_reg_value_in_context(R1, {index_var(0),{R2}}, c);
return constructor("()",0);
}
extern "C" closure builtin_function_get_modifiable_value(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
int c = Args.evaluate(0).as_int();
int R1 = Args.evaluate_slot_to_reg(1);
int R2 = Args.memory().get_modifiable_value_in_context(R1, c);
assert( R2 );
return {index_var(0),{R2}};
}
extern "C" closure builtin_function_add_parameter(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
const std::string name = Args.evaluate(0).as_<String>();
int R = Args.evaluate_slot_to_reg(1);
auto& M = Args.memory();
M.parameters.push_back({name,R});
return constructor("()",0);
}
shared_ptr<const Object> Model::operator()(OperationArgs& Args) const
{
shared_ptr<Model> M (clone());
for(int i=0;i<n_parameters();i++)
M->set_parameter_value(i,Args.evaluate(i));
return M->result();
}
extern "C" closure builtin_function_floor(OperationArgs& Args)
{
double x = Args.evaluate(0).as_double();
assert(x > 0.0);
return {floor(x)};
}
extern "C" closure builtin_function_pow(OperationArgs& Args)
{
auto x = Args.evaluate(0);
auto y = Args.evaluate(1);
double yy = 0;
if (y.is_double())
yy = y.as_double();
else if (y.is_int())
yy = y.as_int();
else
throw myexception()<<"pow: exponent '"<<x.print()<<"' is not double or int";
if (x.is_double())
{
double xx = x.as_double();
assert(xx > 0.0);
return {pow(xx,yy)};
}
else if (x.is_int())
{
double xx = x.as_int();
assert(xx > 0.0);
return {pow(xx,yy)};
}
else if (x.is_log_double())
{
log_double_t xx = x.as_log_double();
return {pow(xx,yy)};
}
throw myexception()<<"pow: object '"<<x.print()<<"' is not double, int, or log_double";
}
extern "C" closure builtin_function_show(OperationArgs& Args)
{
auto x = Args.evaluate(0);
object_ptr<String> v (new String);
if (x.is_double())
*v = convertToString<double>(x.as_double());
else if (x.is_int())
*v = convertToString<int>(x.as_int());
else if (x.is_log_double())
*v = "LD"+convertToString<double>(x.as_log_double().log());
else if (x.is_char())
{
std::string s;
s = x.as_char();
*v = s;
}
else if (x.is_a<String>())
*v = x.as_<String>();
else
throw myexception()<<"show: object '"<<x.print()<<"' is not double, int, log_double, char, or string'";
return v;
}
extern "C" closure builtin_function_read_double(OperationArgs& Args)
{
string s = Args.evaluate(0).as_<String>();
double d;
if (can_be_converted_to(s,d))
return {d};
throw myexception()<<"Cannot convert string '"<<s<<"' to double!";
}
extern "C" closure builtin_function_read_int(OperationArgs& Args)
{
string s = Args.evaluate(0).as_<String>();
int i;
if (can_be_converted_to(s,i))
return {i};
throw myexception()<<"Cannot convert string '"<<s<<"' to int!";
}
extern "C" closure builtin_function_putStrLn(OperationArgs& Args)
{
std::string message = Args.evaluate(0).as_<String>();
std::cout<<message<<std::endl;
return constructor("()",0);
}
extern "C" closure builtin_function_new_modifiable(OperationArgs& Args)
{
assert(not Args.evaluate_changeables());
reg_heap& M = Args.memory();
int D = Args.reg_for_slot(0);
// Allocate a reg, and fill it with a modifiable of the correct index
expression_ref E(new expression(modifiable(),{index_var(0)}));
closure C{E,{D}};
int R1 = Args.allocate(std::move(C));
M.make_reg_changeable(R1);
// Return a reference to the new modifiable.
return {index_var(0),{R1}};
}
extern "C" closure builtin_function_reapply(OperationArgs& Args)
{
int index1 = Args.reference(0).as_index_var();
int R1 = Args.current_closure().lookup_in_env( index1 );
int index2 = Args.reference(1).as_index_var();
int R2 = Args.current_closure().lookup_in_env( index2 );
expression_ref apply_E;
{
expression_ref fE = index_var(1);
expression_ref argE = index_var(0);
apply_E = (fE, argE);
}
// %1 %0 {R1,R2}
int apply_reg = Args.allocate({apply_E,{R1, R2}});
// FIXME - aren't we trying to eliminate general evaluation of regs that aren't children? See below:
// Evaluate the newly create application reg - and depend upon it!
if (Args.evaluate_changeables())
Args.evaluate_reg_to_object(apply_reg);
return {index_var(0),{apply_reg}};
}
boost::shared_ptr<const Object> model_prior::operator()(OperationArgs& Args) const
{
expression_ref R = Args.evaluate(0);
vector<expression_ref> v = get_ref_vector_from_tuple(R);
shared_ptr<Model> M2 (M->clone());
for(int i=0;i<M2->n_parameters();i++)
M2->set_parameter_value(i,v[i]);
return shared_ptr<const Object>(new Log_Double(M2->prior()));
}
extern "C" closure builtin_function_new_random_modifiable(OperationArgs& Args)
{
// assert(not Args.evaluate_changeables());
reg_heap& M = Args.memory();
int R1 = Args.reg_for_slot(0);
int R2 = Args.reg_for_slot(1);
int V = Args.reg_for_slot(2);
int rate = Args.reg_for_slot(3);
// Allocate a reg, and fill it with a modifiable of the correct index
expression_ref E(new expression(modifiable(),{index_var(2),index_var(1),index_var(0)}));
closure C{E,{R2,R1,rate}};
int r = Args.allocate(std::move(C));
M.make_reg_changeable(r);
M.set_shared_value(r,V);
M.add_random_modifiable(r);
// Return a reference to the new modifiable.
return {index_var(0),{r}};
}
extern "C" closure builtin_function_negate(OperationArgs& Args)
{
auto x = Args.evaluate(0);
if (x.is_double())
return {-x.as_double()};
else if (x.is_int())
return {-x.as_int()};
else if (x.is_char())
return {-x.as_char()};
else
throw myexception()<<"Negate: object '"<<x.print()<<"' is not double, int, or char'";
}
extern "C" closure builtin_function_mod(OperationArgs& Args)
{
using boost::dynamic_pointer_cast;
auto x = Args.evaluate(0);
auto y = Args.evaluate(1);
if (x.is_int())
return { x.as_int() % y.as_int() };
else if (x.is_char())
return { x.as_char() % y.as_char() };
else
throw myexception()<<"Mod: object '"<<x.print()<<"' is not int, or char'";
}
extern "C" closure builtin_function_evaluate(OperationArgs& Args)
{
auto& M = Args.memory();
int c = Args.evaluate(0).as_int();
#ifndef NDEBUG
if (Args.evaluate_changeables() and c >= 0)
throw myexception()<<"Calling builtin_function_evaluate( ) when evaluate_changeables=true and c >= 0";
#endif
int R1 = Args.reg_for_slot(1);
int R2 = 0;
if (c < 0)
R2 = M.incremental_evaluate_unchangeable(R1);
else
R2 = M.incremental_evaluate_in_context(R1, c).first;
assert( R2 );
return {index_var(0),{R2}};
}
extern "C" closure builtin_function_lessthanorequal(OperationArgs& Args)
{
auto x = Args.evaluate(0);
auto y = Args.evaluate(1);
if (x.is_double())
return {x.as_double() <= y.as_double()};
else if (x.is_int())
return {x.as_int() <= y.as_int()};
else if (x.is_log_double())
return {x.as_log_double() <= y.as_log_double()};
else if (x.is_char())
return {x.as_char() <= y.as_char()};
else
throw myexception()<<"<=: object '"<<x.print()<<"' is not double, int, log_double, or char'";
}
extern "C" closure builtin_function_log(OperationArgs& Args)
{
auto x = Args.evaluate(0);
if (x.is_double())
{
double xx = x.as_double();
assert(xx > 0.0);
return {log(xx)};
}
else if (x.is_int())
{
double xx = x.as_int();
assert(xx > 0.0);
return {log(xx)};
}
else if (x.is_log_double())
{
log_double_t xx = x.as_log_double();
return {log(xx)};
}
throw myexception()<<"log: object '"<<x.print()<<"' is not double, int, or log_double";
}
extern "C" closure builtin_function_ceiling(OperationArgs& Args)
{
double x = Args.evaluate(0).as_double();
return {ceil(x)};
}
extern "C" closure builtin_function_truncate(OperationArgs& Args)
{
double x = Args.evaluate(0).as_double();
return {trunc(x)};
}