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Nasal-Interpreter
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update

This commit is contained in:
Valk Richard Li 2020-12-24 23:53:31 +08:00
parent 89540475cf
commit 33d37771ce
1 changed files with 75 additions and 87 deletions
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162
nasal_builtin.h
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@ -8,16 +8,14 @@
// return nil; // return nil;
// } // }
// builtin function nasal_call_builtin_std_cout is wrapped up by print // builtin function nasal_call_builtin_std_cout is wrapped up by print
std::map<std::string,int> builtin_use_string_table; std::map<std::string,int> builtin_use_string_table;
// used to find values that builtin function uses // used to find values that builtin function uses
#define in_builtin_find(value_name_string) (local_scope_addr->get_closure().get_value_address(builtin_use_string_table[value_name_string])) #define in_builtin_find(value_name_string) (local_scope_addr->get_closure().get_value_address(builtin_use_string_table[value_name_string]))
// used to check found value's type
// types are:vm_nil vm_number vm_string vm_vector vm_hash vm_function
// dynamic values will be generated as vector by the outer function
#define in_builtin_check(value_addr,value_type) (value_addr->get_type()==(value_type))
// declaration of builtin functions // declaration of builtin functions
// to add new builtin function,declare it here and write the definition below // to add new builtin function,declare it here and write the definition below
nasal_scalar* builtin_print(nasal_scalar*,nasal_virtual_machine&); nasal_scalar* builtin_print(nasal_scalar*,nasal_virtual_machine&);
nasal_scalar* builtin_append(nasal_scalar*,nasal_virtual_machine&); nasal_scalar* builtin_append(nasal_scalar*,nasal_virtual_machine&);
nasal_scalar* builtin_setsize(nasal_scalar*,nasal_virtual_machine&); nasal_scalar* builtin_setsize(nasal_scalar*,nasal_virtual_machine&);
@ -56,6 +54,13 @@ nasal_scalar* builtin_die(nasal_scalar*,nasal_virtual_machine&);
nasal_scalar* builtin_type(nasal_scalar*,nasal_virtual_machine&); nasal_scalar* builtin_type(nasal_scalar*,nasal_virtual_machine&);
nasal_scalar* builtin_substr(nasal_scalar*,nasal_virtual_machine&); nasal_scalar* builtin_substr(nasal_scalar*,nasal_virtual_machine&);
void builtin_error_occurred(std::string func_name,std::string info)
{
builtin_die_state=true;
std::cout<<">> [vm] "<<func_name<<": "<<info<<".\n";
return;
}
// register builtin function's name and it's address here in this table below // register builtin function's name and it's address here in this table below
// this table must and with {"",NULL} // this table must and with {"",NULL}
struct FUNC_TABLE struct FUNC_TABLE
@ -107,17 +112,12 @@ nasal_scalar* builtin_print(nasal_scalar* local_scope_addr,nasal_virtual_machine
{ {
// get arguments // get arguments
nasal_scalar* vector_value_addr=in_builtin_find("elements"); nasal_scalar* vector_value_addr=in_builtin_find("elements");
if(!in_builtin_check(vector_value_addr,vm_vector))
{
std::cout<<">> [vm] builtin_print: \"elements\" has wrong value type(must be vector).\n";
return NULL;
}
// main process // main process
nasal_vector& ref_vec=vector_value_addr->get_vector(); nasal_vector& ref_vec=vector_value_addr->get_vector();
int size=ref_vec.size(); int size=ref_vec.size();
for(int i=0;i<size;++i) for(int i=0;i<size;++i)
{ {
nasal_scalar* tmp=ref_vec.get_value_address(i); nasal_scalar* tmp=ref_vec[i];
switch(tmp->get_type()) switch(tmp->get_type())
{ {
case vm_nil: std::cout<<"nil"; break; case vm_nil: std::cout<<"nil"; break;
@ -137,14 +137,9 @@ nasal_scalar* builtin_append(nasal_scalar* local_scope_addr,nasal_virtual_machin
{ {
nasal_scalar* vector_value_addr=in_builtin_find("vector"); nasal_scalar* vector_value_addr=in_builtin_find("vector");
nasal_scalar* elem_value_addr=in_builtin_find("elements"); nasal_scalar* elem_value_addr=in_builtin_find("elements");
if(!in_builtin_check(vector_value_addr,vm_vector)) if(vector_value_addr->get_type()!=vm_vector)
{ {
std::cout<<">> [vm] builtin_append: \"vector\" has wrong value type(must be vector).\n"; builtin_error_occurred("append","\"vector\" must be vector");
return NULL;
}
if(!in_builtin_check(elem_value_addr,vm_vector))
{
std::cout<<">> [vm] builtin_append: \"elements\" has wrong value type(must be vector).\n";
return NULL; return NULL;
} }
nasal_vector& ref_vector=vector_value_addr->get_vector(); nasal_vector& ref_vector=vector_value_addr->get_vector();
@ -165,19 +160,19 @@ nasal_scalar* builtin_setsize(nasal_scalar* local_scope_addr,nasal_virtual_machi
nasal_scalar* size_value_addr=in_builtin_find("size"); nasal_scalar* size_value_addr=in_builtin_find("size");
if(vector_value_addr->get_type()!=vm_vector) if(vector_value_addr->get_type()!=vm_vector)
{ {
std::cout<<">> [vm] builtin_setsize: \"vector\" has wrong value type(must be vector).\n"; builtin_error_occurred("setsize","\"vector\" must be vector");
return NULL; return NULL;
} }
int type=size_value_addr->get_type(); int type=size_value_addr->get_type();
if(type!=vm_number && type!=vm_string) if(type!=vm_number && type!=vm_string)
{ {
std::cout<<">> [vm] builtin_setsize: size is not a number.\n"; builtin_error_occurred("setsize","\"size\" is not a number");
return NULL; return NULL;
} }
int number=size_value_addr->to_number(); int number=size_value_addr->to_number();
if(number<0) if(number<0)
{ {
std::cout<<">> [vm] builtin_setsize: size must be greater than NULL.\n"; builtin_error_occurred("setsize","\"size\" must be greater than -1");
return NULL; return NULL;
} }
nasal_vector& ref_vector=vector_value_addr->get_vector(); nasal_vector& ref_vector=vector_value_addr->get_vector();
@ -203,7 +198,7 @@ nasal_scalar* builtin_system(nasal_scalar* local_scope_addr,nasal_virtual_machin
nasal_scalar* str_value_addr=in_builtin_find("str"); nasal_scalar* str_value_addr=in_builtin_find("str");
if(str_value_addr->get_type()!=vm_string) if(str_value_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_system: \"str\" has wrong value type(must be string).\n"; builtin_error_occurred("system","\"str\" must be string");
return NULL; return NULL;
} }
std::string str=str_value_addr->get_string(); std::string str=str_value_addr->get_string();
@ -230,19 +225,19 @@ nasal_scalar* builtin_input(nasal_scalar* local_scope_addr,nasal_virtual_machine
nasal_scalar* builtin_sleep(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm) nasal_scalar* builtin_sleep(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
{ {
nasal_scalar* value_addr=in_builtin_find("duration"); nasal_scalar* value_addr=in_builtin_find("duration");
if(value_addr->get_type()!=vm_string && value_addr->get_type()!=vm_number) int type=value_addr->get_type();
if(type!=vm_string && type!=vm_number)
{ {
std::cout<<">> [vm] builtin_sleep: \"duration\" has wrong value type(must be string or number).\n"; builtin_error_occurred("sleep","\"duration\" must be string or number");
return NULL; return NULL;
} }
unsigned long sleep_time=0; unsigned long sleep_time=0;
if(value_addr->get_type()==vm_string) if(type==vm_string)
{ {
std::string str=value_addr->get_string(); double number=value_addr->to_number();
double number=trans_string_to_number(str);
if(std::isnan(number)) if(std::isnan(number))
{ {
std::cout<<">> [vm] builtin_sleep: this is not a numerable string.\n"; builtin_error_occurred("sleep","\"duration\" is not a numerable string");
return NULL; return NULL;
} }
sleep_time=(unsigned long)number; sleep_time=(unsigned long)number;
@ -259,7 +254,7 @@ nasal_scalar* builtin_finput(nasal_scalar* local_scope_addr,nasal_virtual_machin
nasal_scalar* value_addr=in_builtin_find("filename"); nasal_scalar* value_addr=in_builtin_find("filename");
if(value_addr->get_type()!=vm_string) if(value_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_finput: \"filename\" has wrong value type(must be string).\n"; builtin_error_occurred("io.fin","\"filename\" must be string");
return NULL; return NULL;
} }
std::string filename=value_addr->get_string(); std::string filename=value_addr->get_string();
@ -287,12 +282,12 @@ nasal_scalar* builtin_foutput(nasal_scalar* local_scope_addr,nasal_virtual_machi
nasal_scalar* str_value_addr=in_builtin_find("str"); nasal_scalar* str_value_addr=in_builtin_find("str");
if(value_addr->get_type()!=vm_string) if(value_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_foutput: \"filename\" has wrong value type(must be string).\n"; builtin_error_occurred("io.fout","\"filename\" must be string");
return NULL; return NULL;
} }
if(str_value_addr<0 || str_value_addr->get_type()!=vm_string) if(str_value_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_foutput: \"str\" has wrong value type(must be string).\n"; builtin_error_occurred("io.fout","\"str\" must be string");
return NULL; return NULL;
} }
std::string filename=value_addr->get_string(); std::string filename=value_addr->get_string();
@ -310,12 +305,12 @@ nasal_scalar* builtin_split(nasal_scalar* local_scope_addr,nasal_virtual_machine
nasal_scalar* string_value_addr=in_builtin_find("string"); nasal_scalar* string_value_addr=in_builtin_find("string");
if(delimeter_value_addr->get_type()!=vm_string) if(delimeter_value_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_split: \"delimeter\" has wrong value type(must be string).\n"; builtin_error_occurred("split","\"delimeter\" must be string");
return NULL; return NULL;
} }
if(string_value_addr->get_type()!=vm_string) if(string_value_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_split: \"string\" has wrong value type(must be string).\n"; builtin_error_occurred("split","\"string\" must be string");
return NULL; return NULL;
} }
std::string delimeter=delimeter_value_addr->get_string(); std::string delimeter=delimeter_value_addr->get_string();
@ -331,11 +326,10 @@ nasal_scalar* builtin_split(nasal_scalar* local_scope_addr,nasal_virtual_machine
{ {
for(int i=0;i<source_len;++i) for(int i=0;i<source_len;++i)
{ {
tmp+=source[i]; tmp=source[i];
nasal_scalar* str_addr=nasal_vm.gc_alloc(vm_string); nasal_scalar* str_addr=nasal_vm.gc_alloc(vm_string);
str_addr->set_string(tmp); str_addr->set_string(tmp);
ref_vec.add_elem(str_addr); ref_vec.add_elem(str_addr);
tmp="";
} }
return ret_addr; return ret_addr;
} }
@ -376,7 +370,7 @@ nasal_scalar* builtin_rand(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("seed"); nasal_scalar* value_addr=in_builtin_find("seed");
if(value_addr->get_type()!=vm_number && value_addr->get_type()!=vm_nil) if(value_addr->get_type()!=vm_number && value_addr->get_type()!=vm_nil)
{ {
std::cout<<">> [vm] builtin_rand: \"seed\" has wrong value type(must be nil or number).\n"; builtin_error_occurred("rand","\"seed\" must be nil or number");
return NULL; return NULL;
} }
if(value_addr->get_type()==vm_number) if(value_addr->get_type()==vm_number)
@ -407,7 +401,7 @@ nasal_scalar* builtin_int(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("value"); nasal_scalar* value_addr=in_builtin_find("value");
if(value_addr->get_type()!=vm_number) if(value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_int: \"value\" has wrong value type(must be number).\n"; builtin_error_occurred("int","\"value\" must be number");
return NULL; return NULL;
} }
int number=(int)value_addr->get_number(); int number=(int)value_addr->get_number();
@ -418,9 +412,9 @@ nasal_scalar* builtin_int(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* builtin_num(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm) nasal_scalar* builtin_num(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
{ {
nasal_scalar* value_addr=in_builtin_find("value"); nasal_scalar* value_addr=in_builtin_find("value");
if(!in_builtin_check(value_addr,vm_string)) if(value_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_num: \"value\" has wrong value type(must be string).\n"; builtin_error_occurred("num","\"value\" must be string");
return NULL; return NULL;
} }
std::string str=value_addr->get_string(); std::string str=value_addr->get_string();
@ -433,7 +427,7 @@ nasal_scalar* builtin_pop(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("vector"); nasal_scalar* value_addr=in_builtin_find("vector");
if(value_addr->get_type()!=vm_vector) if(value_addr->get_type()!=vm_vector)
{ {
std::cout<<">> [vm] builtin_pop: \"vector\" has wrong value type(must be vector).\n"; builtin_error_occurred("pop","\"vector\" must be vector");
return NULL; return NULL;
} }
nasal_scalar* ret_addr=value_addr->get_vector().del_elem(); nasal_scalar* ret_addr=value_addr->get_vector().del_elem();
@ -444,12 +438,11 @@ nasal_scalar* builtin_str(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("number"); nasal_scalar* value_addr=in_builtin_find("number");
if(value_addr->get_type()!=vm_number) if(value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_str: \"number\" has wrong value type(must be number).\n"; builtin_error_occurred("str","\"number\" must be number");
return NULL; return NULL;
} }
double number=value_addr->get_number();
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number); nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_number);
ret_addr->set_string(trans_number_to_string(number)); ret_addr->set_string(value_addr->to_string());
return ret_addr; return ret_addr;
} }
nasal_scalar* builtin_size(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm) nasal_scalar* builtin_size(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
@ -477,12 +470,12 @@ nasal_scalar* builtin_xor(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* b_addr=in_builtin_find("b"); nasal_scalar* b_addr=in_builtin_find("b");
if(a_addr->get_type()!=vm_number) if(a_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_xor: \"a\" has wrong value type(must be number).\n"; builtin_error_occurred("xor","\"a\" must be number");
return NULL; return NULL;
} }
if(b_addr->get_type()!=vm_number) if(b_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_xor: \"b\" has wrong value type(must be number).\n"; builtin_error_occurred("xor","\"b\" must be number");
return NULL; return NULL;
} }
int number_a=(int)a_addr->get_number(); int number_a=(int)a_addr->get_number();
@ -497,12 +490,12 @@ nasal_scalar* builtin_and(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* b_addr=in_builtin_find("b"); nasal_scalar* b_addr=in_builtin_find("b");
if(a_addr->get_type()!=vm_number) if(a_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_and: \"a\" has wrong value type(must be number).\n"; builtin_error_occurred("and","\"a\" must be number");
return NULL; return NULL;
} }
if(b_addr->get_type()!=vm_number) if(b_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_and: \"b\" has wrong value type(must be number).\n"; builtin_error_occurred("and","\"b\" must be number");
return NULL; return NULL;
} }
int number_a=(int)a_addr->get_number(); int number_a=(int)a_addr->get_number();
@ -517,12 +510,12 @@ nasal_scalar* builtin_or(nasal_scalar* local_scope_addr,nasal_virtual_machine& n
nasal_scalar* b_addr=in_builtin_find("b"); nasal_scalar* b_addr=in_builtin_find("b");
if(a_addr->get_type()!=vm_number) if(a_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_or: \"a\" has wrong value type(must be number).\n"; builtin_error_occurred("or","\"a\" must be number");
return NULL; return NULL;
} }
if(b_addr->get_type()!=vm_number) if(b_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_or: \"b\" has wrong value type(must be number).\n"; builtin_error_occurred("or","\"b\" must be number");
return NULL; return NULL;
} }
int number_a=(int)a_addr->get_number(); int number_a=(int)a_addr->get_number();
@ -537,12 +530,12 @@ nasal_scalar* builtin_nand(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* b_addr=in_builtin_find("b"); nasal_scalar* b_addr=in_builtin_find("b");
if(a_addr->get_type()!=vm_number) if(a_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_nand: \"a\" has wrong value type(must be number).\n"; builtin_error_occurred("nand","\"a\" must be number");
return NULL; return NULL;
} }
if(b_addr->get_type()!=vm_number) if(b_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_nand: \"b\" has wrong value type(must be number).\n"; builtin_error_occurred("nand","\"b\" must be number");
return NULL; return NULL;
} }
int number_a=(int)a_addr->get_number(); int number_a=(int)a_addr->get_number();
@ -556,7 +549,7 @@ nasal_scalar* builtin_not(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* a_addr=in_builtin_find("a"); nasal_scalar* a_addr=in_builtin_find("a");
if(a_addr->get_type()!=vm_number) if(a_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_not: \"a\" has wrong value type(must be number).\n"; builtin_error_occurred("not","\"a\" must be number");
return NULL; return NULL;
} }
int number=(int)a_addr->get_number(); int number=(int)a_addr->get_number();
@ -569,7 +562,7 @@ nasal_scalar* builtin_sin(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("x"); nasal_scalar* value_addr=in_builtin_find("x");
if(value_addr->get_type()!=vm_number) if(value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_sin: \"x\" has wrong value type(must be number).\n"; builtin_error_occurred("sin","\"x\" must be number");
return NULL; return NULL;
} }
double number=value_addr->get_number(); double number=value_addr->get_number();
@ -582,7 +575,7 @@ nasal_scalar* builtin_cos(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("x"); nasal_scalar* value_addr=in_builtin_find("x");
if(value_addr->get_type()!=vm_number) if(value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_cos: \"x\" has wrong value type(must be number).\n"; builtin_error_occurred("cos","\"x\" must be number");
return NULL; return NULL;
} }
double number=value_addr->get_number(); double number=value_addr->get_number();
@ -595,7 +588,7 @@ nasal_scalar* builtin_tan(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("x"); nasal_scalar* value_addr=in_builtin_find("x");
if(value_addr->get_type()!=vm_number) if(value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_tan: \"x\" has wrong value type(must be number).\n"; builtin_error_occurred("tan","\"x\" must be number");
return NULL; return NULL;
} }
double number=value_addr->get_number(); double number=value_addr->get_number();
@ -608,7 +601,7 @@ nasal_scalar* builtin_exp(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("x"); nasal_scalar* value_addr=in_builtin_find("x");
if(value_addr->get_type()!=vm_number) if(value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_exp: \"x\" has wrong value type(must be number).\n"; builtin_error_occurred("exp","\"x\" must be number");
return NULL; return NULL;
} }
double number=value_addr->get_number(); double number=value_addr->get_number();
@ -621,7 +614,7 @@ nasal_scalar* builtin_ln(nasal_scalar* local_scope_addr,nasal_virtual_machine& n
nasal_scalar* value_addr=in_builtin_find("x"); nasal_scalar* value_addr=in_builtin_find("x");
if(value_addr->get_type()!=vm_number) if(value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_ln: \"x\" has wrong value type(must be number).\n"; builtin_error_occurred("ln","\"x\" must be number");
return NULL; return NULL;
} }
double number=value_addr->get_number(); double number=value_addr->get_number();
@ -634,7 +627,7 @@ nasal_scalar* builtin_sqrt(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("x"); nasal_scalar* value_addr=in_builtin_find("x");
if(value_addr->get_type()!=vm_number) if(value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_sqrt: \"x\" has wrong value type(must be number).\n"; builtin_error_occurred("sqrt","\"x\" must be number");
return NULL; return NULL;
} }
double number=value_addr->get_number(); double number=value_addr->get_number();
@ -648,12 +641,12 @@ nasal_scalar* builtin_atan2(nasal_scalar* local_scope_addr,nasal_virtual_machine
nasal_scalar* y_value_addr=in_builtin_find("y"); nasal_scalar* y_value_addr=in_builtin_find("y");
if(x_value_addr->get_type()!=vm_number) if(x_value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_atan2: \"x\" has wrong value type(must be number).\n"; builtin_error_occurred("atan2","\"x\" must be number");
return NULL; return NULL;
} }
if(y_value_addr->get_type()!=vm_number) if(y_value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_atan2: \"y\" has wrong value type(must be number).\n"; builtin_error_occurred("atan2","\"y\" must be number");
return NULL; return NULL;
} }
double x=x_value_addr->get_number(); double x=x_value_addr->get_number();
@ -667,7 +660,7 @@ nasal_scalar* builtin_time(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* value_addr=in_builtin_find("begin_time"); nasal_scalar* value_addr=in_builtin_find("begin_time");
if(value_addr->get_type()!=vm_number) if(value_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_time: \"begin_time\" has wrong value type(must be number).\n"; builtin_error_occurred("time","\"begin_time\" must be number");
return NULL; return NULL;
} }
time_t begin_time=(time_t)value_addr->get_number(); time_t begin_time=(time_t)value_addr->get_number();
@ -679,14 +672,14 @@ nasal_scalar* builtin_contains(nasal_scalar* local_scope_addr,nasal_virtual_mach
{ {
nasal_scalar* hash_addr=in_builtin_find("hash"); nasal_scalar* hash_addr=in_builtin_find("hash");
nasal_scalar* key_addr=in_builtin_find("key"); nasal_scalar* key_addr=in_builtin_find("key");
if(!in_builtin_check(hash_addr,vm_hash)) if(hash_addr->get_type()!=vm_hash)
{ {
std::cout<<">> [vm] builtin_contains: \"hash\" has wrong type(must be hash).\n"; builtin_error_occurred("contains","\"hash\" must be hash");
return NULL; return NULL;
} }
if(!in_builtin_check(key_addr,vm_string)) if(key_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_contains: \"key\" has wrong type(must be string).\n"; builtin_error_occurred("contains","\"key\" must be string");
return NULL; return NULL;
} }
std::string key=key_addr->get_string(); std::string key=key_addr->get_string();
@ -699,14 +692,14 @@ nasal_scalar* builtin_delete(nasal_scalar* local_scope_addr,nasal_virtual_machin
{ {
nasal_scalar* hash_addr=in_builtin_find("hash"); nasal_scalar* hash_addr=in_builtin_find("hash");
nasal_scalar* key_addr=in_builtin_find("key"); nasal_scalar* key_addr=in_builtin_find("key");
if(!in_builtin_check(hash_addr,vm_hash)) if(hash_addr->get_type()!=vm_hash)
{ {
std::cout<<">> [vm] builtin_delete: \"hash\" has wrong type(must be hash).\n"; builtin_error_occurred("delete","\"hash\" must be hash");
return NULL; return NULL;
} }
if(!in_builtin_check(key_addr,vm_string)) if(key_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_delete: \"key\" has wrong type(must be string).\n"; builtin_error_occurred("delete","\"key\" must be string");
return NULL; return NULL;
} }
std::string key=key_addr->get_string(); std::string key=key_addr->get_string();
@ -717,9 +710,9 @@ nasal_scalar* builtin_delete(nasal_scalar* local_scope_addr,nasal_virtual_machin
nasal_scalar* builtin_getkeys(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm) nasal_scalar* builtin_getkeys(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
{ {
nasal_scalar* hash_addr=in_builtin_find("hash"); nasal_scalar* hash_addr=in_builtin_find("hash");
if(!in_builtin_check(hash_addr,vm_hash)) if(hash_addr->get_type()!=vm_hash)
{ {
std::cout<<">> [vm] builtin_delete: \"hash\" has wrong type(must be hash).\n"; builtin_error_occurred("keys","\"hash\" must be hash");
return NULL; return NULL;
} }
nasal_scalar* ret_addr=hash_addr->get_hash().get_keys(); nasal_scalar* ret_addr=hash_addr->get_hash().get_keys();
@ -729,16 +722,16 @@ nasal_scalar* builtin_import(nasal_scalar* local_scope_addr,nasal_virtual_machin
{ {
// this function is used in preprocessing. // this function is used in preprocessing.
// this function will return nothing when running. // this function will return nothing when running.
std::cout<<">> [vm] builtin_import: cannot use import when running.\n"; builtin_error_occurred("import","cannot use import when running");
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil); nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_nil);
return ret_addr; return ret_addr;
} }
nasal_scalar* builtin_die(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm) nasal_scalar* builtin_die(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
{ {
nasal_scalar* str_addr=in_builtin_find("str"); nasal_scalar* str_addr=in_builtin_find("str");
if(!in_builtin_check(str_addr,vm_string)) if(str_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_die: \"str\" has wrong type(must be string).\n"; builtin_error_occurred("die","\"str\" must be string");
return NULL; return NULL;
} }
builtin_die_state=true; builtin_die_state=true;
@ -749,11 +742,6 @@ nasal_scalar* builtin_die(nasal_scalar* local_scope_addr,nasal_virtual_machine&
nasal_scalar* builtin_type(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm) nasal_scalar* builtin_type(nasal_scalar* local_scope_addr,nasal_virtual_machine& nasal_vm)
{ {
nasal_scalar* value_addr=in_builtin_find("object"); nasal_scalar* value_addr=in_builtin_find("object");
if(value_addr<0)
{
std::cout<<">> [vm] builtin_type: cannot find \"object\".\n";
return NULL;
}
int type=value_addr->get_type(); int type=value_addr->get_type();
nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_string); nasal_scalar* ret_addr=nasal_vm.gc_alloc(vm_string);
switch(type) switch(type)
@ -772,27 +760,27 @@ nasal_scalar* builtin_substr(nasal_scalar* local_scope_addr,nasal_virtual_machin
nasal_scalar* str_addr=in_builtin_find("str"); nasal_scalar* str_addr=in_builtin_find("str");
nasal_scalar* begin_addr=in_builtin_find("begin"); nasal_scalar* begin_addr=in_builtin_find("begin");
nasal_scalar* length_addr=in_builtin_find("length"); nasal_scalar* length_addr=in_builtin_find("length");
if(!in_builtin_check(str_addr,vm_string)) if(str_addr->get_type()!=vm_string)
{ {
std::cout<<">> [vm] builtin_substr: cannot find \"str\" or wrong type(must be string).\n"; builtin_error_occurred("substr","\"str\" must be string");
return NULL; return NULL;
} }
if(!in_builtin_check(begin_addr,vm_number)) if(begin_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_substr: cannot find \"begin\" or wrong type(must be number).\n"; builtin_error_occurred("substr","\"begin\" must be number");
return NULL; return NULL;
} }
if(!in_builtin_check(length_addr,vm_number)) if(length_addr->get_type()!=vm_number)
{ {
std::cout<<">> [vm] builtin_substr: cannot find \"length\" or wrong type(must be number).\n"; builtin_error_occurred("substr","\"length\" must be number");
return NULL; return NULL;
} }
std::string str=str_addr->get_string(); std::string str=str_addr->get_string();
int begin=(int)begin_addr->get_number(); int begin=(int)begin_addr->get_number();
int len=(int)length_addr->get_number(); int len=(int)length_addr->get_number();
if(begin>=str.length() || begin+len>=str.length()) if(begin+len>=str.length())
{ {
std::cout<<">> [vm] builtin_substr: index out of range.\n"; builtin_error_occurred("susbtr","index out of range");
return NULL; return NULL;
} }
std::string tmp=""; std::string tmp="";