forked from xxq250/Nasal-Interpreter
Valk Richard Li
773 lines
28 KiB
C++
773 lines
28 KiB
C++
#ifndef __NASAL_BUILTIN_H__
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#define __NASAL_BUILTIN_H__
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// builtin functions must be called inside a outer function like this:
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// var print=func(elements...)
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// {
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// nasal_call_builtin_std_cout(elements);
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// return nil;
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// }
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// builtin function nasal_call_builtin_std_cout is wrapped up by print
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std::map<std::string,int> builtin_use_string_table;
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// used to find values that builtin function uses
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#define in_builtin_find(value_name_string) (local_scope_addr->get_closure().get_value_address(builtin_use_string_table[value_name_string]))
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// declaration of builtin functions
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// to add new builtin function,declare it here and write the definition below
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nasal_scalar* builtin_print(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_append(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_setsize(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_system(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_input(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_sleep(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_finput(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_foutput(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_split(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_rand(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_id(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_int(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_num(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_pop(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_str(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_size(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_xor(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_and(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_or(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_nand(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_not(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_sin(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_cos(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_tan(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_exp(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_ln(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_sqrt(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_atan2(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_time(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_contains(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_delete(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_getkeys(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_import(nasal_scalar*,nasal_virtual_machine&);
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bool builtin_die_state;// used in builtin_die
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nasal_scalar* builtin_die(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_type(nasal_scalar*,nasal_virtual_machine&);
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nasal_scalar* builtin_substr(nasal_scalar*,nasal_virtual_machine&);
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void builtin_error_occurred(std::string func_name,std::string info)
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{
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builtin_die_state=true;
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std::cout<<">> [vm] "<<func_name<<": "<<info<<".\n";
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return;
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}
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// register builtin function's name and it's address here in this table below
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// this table must and with {"",NULL}
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struct FUNC_TABLE
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{
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std::string func_name;
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nasal_scalar* (*func_pointer)(nasal_scalar* x,nasal_virtual_machine& nasal_vm);
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} builtin_func_table[]=
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{
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{"nasal_call_builtin_std_cout", builtin_print},
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{"nasal_call_builtin_push_back", builtin_append},
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{"nasal_call_builtin_set_size", builtin_setsize},
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{"nasal_call_builtin_system", builtin_system},
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{"nasal_call_builtin_input", builtin_input},
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{"nasal_call_builtin_sleep", builtin_sleep},
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{"nasal_call_builtin_finput", builtin_finput},
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{"nasal_call_builtin_foutput", builtin_foutput},
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{"nasal_call_builtin_split", builtin_split},
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{"nasal_call_builtin_rand", builtin_rand},
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{"nasal_call_builtin_get_id", builtin_id},
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{"nasal_call_builtin_trans_int", builtin_int},
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{"nasal_call_builtin_trans_num", builtin_num},
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{"nasal_call_builtin_pop_back", builtin_pop},
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{"nasal_call_builtin_trans_str", builtin_str},
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{"nasal_call_builtin_size", builtin_size},
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{"nasal_call_builtin_xor", builtin_xor},
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{"nasal_call_builtin_and", builtin_and},
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{"nasal_call_builtin_or", builtin_or},
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{"nasal_call_builtin_nand", builtin_nand},
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{"nasal_call_builtin_not", builtin_not},
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{"nasal_call_builtin_sin", builtin_sin},
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{"nasal_call_builtin_cos", builtin_cos},
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{"nasal_call_builtin_tan", builtin_tan},
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{"nasal_call_builtin_exp", builtin_exp},
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{"nasal_call_builtin_cpp_math_ln", builtin_ln},
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{"nasal_call_builtin_cpp_math_sqrt", builtin_sqrt},
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{"nasal_call_builtin_cpp_atan2", builtin_atan2},
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{"nasal_call_builtin_time", builtin_time},
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{"nasal_call_builtin_contains", builtin_contains},
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{"nasal_call_builtin_delete", builtin_delete},
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{"nasal_call_builtin_get_keys", builtin_getkeys},
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{"nasal_call_import", builtin_import},
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{"nasal_call_builtin_die", builtin_die},
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{"nasal_call_builtin_type", builtin_type},
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{"nasal_call_builtin_substr", builtin_substr},
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{"", NULL}
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};
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nasal_scalar* builtin_print(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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// get arguments
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nasal_scalar* vector_value_addr=in_builtin_find("elements");
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// main process
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nasal_vector& ref_vec=vector_value_addr->get_vector();
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int size=ref_vec.size();
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for(int i=0;i<size;++i)
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{
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nasal_scalar* tmp=ref_vec[i];
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switch(tmp->get_type())
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{
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case vm_nil: std::cout<<"nil"; break;
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case vm_number: std::cout<<tmp->get_number(); break;
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case vm_string: std::cout<<tmp->get_string(); break;
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case vm_vector: tmp->get_vector().print(); break;
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case vm_hash: tmp->get_hash().print(); break;
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case vm_function: std::cout<<"func(...){...}"; break;
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}
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}
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std::cout<<"\n";
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// generate return value
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
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return ret_addr;
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}
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nasal_scalar* builtin_append(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* vector_value_addr=in_builtin_find("vector");
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nasal_scalar* elem_value_addr=in_builtin_find("elements");
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if(vector_value_addr->get_type()!=vm_vector)
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{
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builtin_error_occurred("append","\"vector\" must be vector");
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return NULL;
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}
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nasal_vector& ref_vector=vector_value_addr->get_vector();
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nasal_vector& ref_elements=elem_value_addr->get_vector();
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int size=ref_elements.size();
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for(int i=0;i<size;++i)
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{
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nasal_scalar* value_address=ref_elements.get_value_address(i);
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nasal_vm.add_reference(value_address);
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ref_vector.add_elem(value_address);
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}
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
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return ret_addr;
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}
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nasal_scalar* builtin_setsize(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* vector_value_addr=in_builtin_find("vector");
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nasal_scalar* size_value_addr=in_builtin_find("size");
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if(vector_value_addr->get_type()!=vm_vector)
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{
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builtin_error_occurred("setsize","\"vector\" must be vector");
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return NULL;
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}
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int type=size_value_addr->get_type();
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if(type!=vm_number)
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{
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builtin_error_occurred("setsize","\"size\" is not a number");
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return NULL;
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}
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int number=size_value_addr->get_number();
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if(number<0)
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{
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builtin_error_occurred("setsize","\"size\" must be greater than -1");
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return NULL;
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}
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nasal_vector& ref_vector=vector_value_addr->get_vector();
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int vec_size=ref_vector.size();
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if(number<vec_size)
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for(int i=number;i<vec_size;++i)
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{
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nasal_scalar* addr=ref_vector.del_elem();
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if(addr) nasal_vm.del_reference(addr);
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}
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else if(number>vec_size)
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for(int i=vec_size;i<number;++i)
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{
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nasal_scalar* new_val_addr=nasal_vm.gc_alloc(vm_nil);
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ref_vector.add_elem(new_val_addr);
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}
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
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return ret_addr;
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}
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nasal_scalar* builtin_system(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* str_value_addr=in_builtin_find("str");
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if(str_value_addr->get_type()!=vm_string)
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{
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builtin_error_occurred("system","\"str\" must be string");
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return NULL;
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}
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std::string str=str_value_addr->get_string();
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system(str.data());
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
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return ret_addr;
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}
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nasal_scalar* builtin_input(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_string);
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std::string str;
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std::cin>>str;
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ret_addr->set_string(str);
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return ret_addr;
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}
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nasal_scalar* builtin_sleep(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* value_addr=in_builtin_find("duration");
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int type=value_addr->get_type();
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if(type!=vm_number)
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{
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builtin_error_occurred("sleep","\"duration\" must be number");
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return NULL;
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}
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unsigned long sleep_time=0;
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sleep_time=(unsigned long)value_addr->get_number();
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sleep(sleep_time); // sleep in unistd.h will make this progress sleep sleep_time seconds.
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
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return ret_addr;
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}
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nasal_scalar* builtin_finput(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* value_addr=in_builtin_find("filename");
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if(value_addr->get_type()!=vm_string)
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{
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builtin_error_occurred("io.fin","\"filename\" must be string");
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return NULL;
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}
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std::string filename=value_addr->get_string();
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std::ifstream fin(filename);
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std::string file_content="";
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if(!fin.fail())
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while(!fin.eof())
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{
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char c=fin.get();
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if(fin.eof())
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break;
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file_content.push_back(c);
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}
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else
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builtin_error_occurred("io.fin","cannot open \""+filename+"\".");
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fin.close();
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_string);
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ret_addr->set_string(file_content);
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return ret_addr;
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}
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nasal_scalar* builtin_foutput(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* value_addr=in_builtin_find("filename");
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nasal_scalar* str_value_addr=in_builtin_find("str");
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if(value_addr->get_type()!=vm_string)
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{
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builtin_error_occurred("io.fout","\"filename\" must be string");
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return NULL;
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}
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if(str_value_addr->get_type()!=vm_string)
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{
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builtin_error_occurred("io.fout","\"str\" must be string");
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return NULL;
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}
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std::string filename=value_addr->get_string();
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std::string file_content=str_value_addr->get_string();
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std::ofstream fout(filename);
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fout<<file_content;
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fout.close();
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
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return ret_addr;
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}
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nasal_scalar* builtin_split(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* delimeter_value_addr=in_builtin_find("delimeter");
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nasal_scalar* string_value_addr=in_builtin_find("string");
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if(delimeter_value_addr->get_type()!=vm_string)
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{
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builtin_error_occurred("split","\"delimeter\" must be string");
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return NULL;
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}
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if(string_value_addr->get_type()!=vm_string)
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{
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builtin_error_occurred("split","\"string\" must be string");
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return NULL;
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}
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std::string delimeter=delimeter_value_addr->get_string();
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std::string source=string_value_addr->get_string();
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int delimeter_len=delimeter.length();
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int source_len=source.length();
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_vector);
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nasal_vector& ref_vec=ret_addr->get_vector();
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std::string tmp="";
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if(!delimeter_len)
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{
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for(int i=0;i<source_len;++i)
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{
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tmp=source[i];
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nasal_scalar* str_addr=nasal_vm.gc_alloc(vm_string);
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str_addr->set_string(tmp);
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ref_vec.add_elem(str_addr);
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}
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return ret_addr;
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}
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for(int i=0;i<source_len;++i)
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{
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bool check_delimeter=false;
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if(source[i]==delimeter[0])
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for(int j=0;j<delimeter_len;++j)
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{
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if(i+j>=source_len || source[i+j]!=delimeter[j])
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break;
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if(j==delimeter_len-1)
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check_delimeter=true;
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}
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if(check_delimeter)
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{
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nasal_scalar* str_addr=nasal_vm.gc_alloc(vm_string);
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str_addr->set_string(tmp);
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ref_vec.add_elem(str_addr);
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tmp="";
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i+=delimeter_len-1;
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}
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else
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tmp+=source[i];
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}
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if(tmp.length())
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{
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nasal_scalar* str_addr=nasal_vm.gc_alloc(vm_string);
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str_addr->set_string(tmp);
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ref_vec.add_elem(str_addr);
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tmp="";
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}
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return ret_addr;
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}
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nasal_scalar* builtin_rand(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* value_addr=in_builtin_find("seed");
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if(value_addr->get_type()!=vm_number && value_addr->get_type()!=vm_nil)
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{
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builtin_error_occurred("rand","\"seed\" must be nil or number");
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return NULL;
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}
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if(value_addr->get_type()==vm_number)
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{
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unsigned int number=(unsigned int)value_addr->get_number();
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srand(number);
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
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return ret_addr;
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}
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double num=0;
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for(int i=0;i<5;++i)
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num=(num+rand())*(1.0/(RAND_MAX+1.0));
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
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ret_addr->set_number(num);
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return ret_addr;
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}
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nasal_scalar* builtin_id(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* value_addr=in_builtin_find("thing");
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_string);
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char buf[32];
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sprintf(buf,"0x%p",value_addr);
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ret_addr->set_string(buf);
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return ret_addr;
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}
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nasal_scalar* builtin_int(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* value_addr=in_builtin_find("value");
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if(value_addr->get_type()!=vm_number)
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{
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builtin_error_occurred("int","\"value\" must be number");
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return NULL;
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}
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int number=(int)value_addr->get_number();
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
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ret_addr->set_number((double)number);
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return ret_addr;
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}
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nasal_scalar* builtin_num(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* value_addr=in_builtin_find("value");
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if(value_addr->get_type()!=vm_string)
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{
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builtin_error_occurred("num","\"value\" must be string");
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return NULL;
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}
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nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
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ret_addr->set_number(value_addr->to_number());
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return ret_addr;
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}
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nasal_scalar* builtin_pop(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
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{
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nasal_scalar* value_addr=in_builtin_find("vector");
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if(value_addr->get_type()!=vm_vector)
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{
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builtin_error_occurred("pop","\"vector\" must be vector");
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return NULL;
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}
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nasal_scalar* ret_addr=value_addr->get_vector().del_elem();
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return ret_addr;
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}
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nasal_scalar* builtin_str(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("number");
|
|
if(value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("str","\"number\" must be number");
|
|
return NULL;
|
|
}
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_string(value_addr->to_string());
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_size(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("object");
|
|
int type=value_addr->get_type();
|
|
int number=-1;
|
|
switch(type)
|
|
{
|
|
case vm_nil:
|
|
case vm_number:
|
|
case vm_function:
|
|
case vm_closure: return nasal_vm.gc_alloc(vm_nil); break;
|
|
case vm_string: number=value_addr->get_string().length(); break;
|
|
case vm_vector: number=value_addr->get_vector().size(); break;
|
|
case vm_hash: number=value_addr->get_hash().size(); break;
|
|
}
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number((double)number);
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_xor(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* a_addr=in_builtin_find("a");
|
|
nasal_scalar* b_addr=in_builtin_find("b");
|
|
if(a_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("xor","\"a\" must be number");
|
|
return NULL;
|
|
}
|
|
if(b_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("xor","\"b\" must be number");
|
|
return NULL;
|
|
}
|
|
int number_a=(int)a_addr->get_number();
|
|
int number_b=(int)b_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number((double)(number_a^number_b));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_and(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* a_addr=in_builtin_find("a");
|
|
nasal_scalar* b_addr=in_builtin_find("b");
|
|
if(a_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("and","\"a\" must be number");
|
|
return NULL;
|
|
}
|
|
if(b_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("and","\"b\" must be number");
|
|
return NULL;
|
|
}
|
|
int number_a=(int)a_addr->get_number();
|
|
int number_b=(int)b_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number((double)(number_a&number_b));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_or(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* a_addr=in_builtin_find("a");
|
|
nasal_scalar* b_addr=in_builtin_find("b");
|
|
if(a_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("or","\"a\" must be number");
|
|
return NULL;
|
|
}
|
|
if(b_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("or","\"b\" must be number");
|
|
return NULL;
|
|
}
|
|
int number_a=(int)a_addr->get_number();
|
|
int number_b=(int)b_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number((double)(number_a|number_b));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_nand(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* a_addr=in_builtin_find("a");
|
|
nasal_scalar* b_addr=in_builtin_find("b");
|
|
if(a_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("nand","\"a\" must be number");
|
|
return NULL;
|
|
}
|
|
if(b_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("nand","\"b\" must be number");
|
|
return NULL;
|
|
}
|
|
int number_a=(int)a_addr->get_number();
|
|
int number_b=(int)b_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number((double)(~(number_a&number_b)));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_not(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* a_addr=in_builtin_find("a");
|
|
if(a_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("not","\"a\" must be number");
|
|
return NULL;
|
|
}
|
|
int number=(int)a_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number((double)(~number));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_sin(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("x");
|
|
if(value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("sin","\"x\" must be number");
|
|
return NULL;
|
|
}
|
|
double number=value_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number(sin(number));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_cos(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("x");
|
|
if(value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("cos","\"x\" must be number");
|
|
return NULL;
|
|
}
|
|
double number=value_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number(cos(number));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_tan(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("x");
|
|
if(value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("tan","\"x\" must be number");
|
|
return NULL;
|
|
}
|
|
double number=value_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number(tan(number));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_exp(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("x");
|
|
if(value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("exp","\"x\" must be number");
|
|
return NULL;
|
|
}
|
|
double number=value_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number(exp(number));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_ln(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("x");
|
|
if(value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("ln","\"x\" must be number");
|
|
return NULL;
|
|
}
|
|
double number=value_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number(log(number)/log(2.7182818284590452354));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_sqrt(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("x");
|
|
if(value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("sqrt","\"x\" must be number");
|
|
return NULL;
|
|
}
|
|
double number=value_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number(sqrt(number));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_atan2(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* x_value_addr=in_builtin_find("x");
|
|
nasal_scalar* y_value_addr=in_builtin_find("y");
|
|
if(x_value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("atan2","\"x\" must be number");
|
|
return NULL;
|
|
}
|
|
if(y_value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("atan2","\"y\" must be number");
|
|
return NULL;
|
|
}
|
|
double x=x_value_addr->get_number();
|
|
double y=y_value_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number(atan2(y,x));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_time(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("begin_time");
|
|
if(value_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("time","\"begin_time\" must be number");
|
|
return NULL;
|
|
}
|
|
time_t begin_time=(time_t)value_addr->get_number();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number((double)time(&begin_time));
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_contains(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* hash_addr=in_builtin_find("hash");
|
|
nasal_scalar* key_addr=in_builtin_find("key");
|
|
if(hash_addr->get_type()!=vm_hash)
|
|
{
|
|
builtin_error_occurred("contains","\"hash\" must be hash");
|
|
return NULL;
|
|
}
|
|
if(key_addr->get_type()!=vm_string)
|
|
{
|
|
builtin_error_occurred("contains","\"key\" must be string");
|
|
return NULL;
|
|
}
|
|
bool contains=hash_addr->get_hash().check_contain(key_addr->get_string());
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
|
|
ret_addr->set_number((double)contains);
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_delete(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* hash_addr=in_builtin_find("hash");
|
|
nasal_scalar* key_addr=in_builtin_find("key");
|
|
if(hash_addr->get_type()!=vm_hash)
|
|
{
|
|
builtin_error_occurred("delete","\"hash\" must be hash");
|
|
return NULL;
|
|
}
|
|
if(key_addr->get_type()!=vm_string)
|
|
{
|
|
builtin_error_occurred("delete","\"key\" must be string");
|
|
return NULL;
|
|
}
|
|
hash_addr->get_hash().del_elem(key_addr->get_string());
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_getkeys(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* hash_addr=in_builtin_find("hash");
|
|
if(hash_addr->get_type()!=vm_hash)
|
|
{
|
|
builtin_error_occurred("keys","\"hash\" must be hash");
|
|
return NULL;
|
|
}
|
|
nasal_scalar* ret_addr=hash_addr->get_hash().get_keys();
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_import(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
// this function is used in preprocessing.
|
|
// this function will return nothing when running.
|
|
builtin_error_occurred("import","cannot use import when running");
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_die(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* str_addr=in_builtin_find("str");
|
|
if(str_addr->get_type()!=vm_string)
|
|
{
|
|
builtin_error_occurred("die","\"str\" must be string");
|
|
return NULL;
|
|
}
|
|
builtin_die_state=true;
|
|
std::cout<<">> [vm] error: "<<str_addr->get_string()<<'\n';
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_type(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* value_addr=in_builtin_find("object");
|
|
int type=value_addr->get_type();
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_string);
|
|
switch(type)
|
|
{
|
|
case vm_nil: ret_addr->set_string("nil");break;
|
|
case vm_number: ret_addr->set_string("number");break;
|
|
case vm_string: ret_addr->set_string("string");break;
|
|
case vm_vector: ret_addr->set_string("vector");break;
|
|
case vm_hash: ret_addr->set_string("hash");break;
|
|
case vm_function: ret_addr->set_string("function");break;
|
|
}
|
|
return ret_addr;
|
|
}
|
|
nasal_scalar* builtin_substr(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
|
|
{
|
|
nasal_scalar* str_addr=in_builtin_find("str");
|
|
nasal_scalar* begin_addr=in_builtin_find("begin");
|
|
nasal_scalar* length_addr=in_builtin_find("length");
|
|
if(str_addr->get_type()!=vm_string)
|
|
{
|
|
builtin_error_occurred("substr","\"str\" must be string");
|
|
return NULL;
|
|
}
|
|
if(begin_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("substr","\"begin\" must be number");
|
|
return NULL;
|
|
}
|
|
if(length_addr->get_type()!=vm_number)
|
|
{
|
|
builtin_error_occurred("substr","\"length\" must be number");
|
|
return NULL;
|
|
}
|
|
std::string str=str_addr->get_string();
|
|
int begin=(int)begin_addr->get_number();
|
|
int len=(int)length_addr->get_number();
|
|
if(begin+len>=str.length())
|
|
{
|
|
builtin_error_occurred("susbtr","index out of range");
|
|
return NULL;
|
|
}
|
|
std::string tmp="";
|
|
for(int i=begin;i<begin+len;++i)
|
|
tmp+=str[i];
|
|
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_string);
|
|
ret_addr->set_string(tmp);
|
|
return ret_addr;
|
|
}
|
|
#endif |