1233 lines
35 KiB
C++
1233 lines
35 KiB
C++
#pragma once
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#include "nasal_gc.h"
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#ifndef _MSC_VER
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#include <unistd.h>
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#include <dirent.h>
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#else
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#pragma warning (disable:4566) // i know i'm using utf-8, fuck you
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#define _CRT_SECURE_NO_DEPRECATE 1
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#define _CRT_NONSTDC_NO_DEPRECATE 1
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#include <io.h>
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#include <direct.h>
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#endif
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#include <sstream>
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#include <cmath>
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#include <thread>
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#include <sys/stat.h>
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <dlfcn.h>
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#include <sys/wait.h>
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#endif
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#if defined __APPLE__
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#include <crt_externs.h>
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#define environ (*_NSGetEnviron())
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#endif
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var builtin_print(var* local,gc& ngc)
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{
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for(auto& i:local[1].vec().elems)
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std::cout<<i;
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std::cout<<std::flush;
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return nil;
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}
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var builtin_println(var* local,gc& ngc)
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{
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for(auto& i:local[1].vec().elems)
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std::cout<<i;
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std::cout<<std::endl;
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return nil;
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}
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var builtin_exit(var* local,gc& ngc)
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{
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std::exit(local[1].num());
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return nil;
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}
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var builtin_abort(var* local,gc& ngc)
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{
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std::abort();
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return nil;
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}
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var builtin_append(var* local,gc& ngc)
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{
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var vec=local[1];
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var elem=local[2];
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if(vec.type!=vm_vec)
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return nas_err("append","\"vec\" must be vector");
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auto& v=vec.vec().elems;
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for(auto& i:elem.vec().elems)
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v.push_back(i);
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return nil;
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}
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var builtin_setsize(var* local,gc& ngc)
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{
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var vec=local[1];
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var size=local[2];
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if(vec.type!=vm_vec)
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return nas_err("setsize","\"vec\" must be vector");
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if(size.type!=vm_num || size.num()<0)
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return nil;
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vec.vec().elems.resize((i64)size.num(),nil);
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return nil;
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}
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var builtin_system(var* local,gc& ngc)
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{
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var str=local[1];
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if(str.type!=vm_str)
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return {vm_num,(f64)-1};
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return {vm_num,(f64)system(str.str().c_str())};
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}
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var builtin_input(var* local,gc& ngc)
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{
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var end=local[1];
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var ret=ngc.alloc(vm_str);
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if(end.type!=vm_str || end.str().length()>1 || !end.str().length())
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std::cin>>ret.str();
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else
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std::getline(std::cin,ret.str(),end.str()[0]);
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return ret;
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}
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var builtin_fin(var* local,gc& ngc)
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{
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var val=local[1];
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if(val.type!=vm_str)
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return nas_err("io::fin","\"filename\" must be string");
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std::ifstream fin(val.str(),std::ios::binary);
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std::stringstream rd;
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if(!fin.fail())
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rd<<fin.rdbuf();
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return ngc.newstr(rd.str());
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}
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var builtin_fout(var* local,gc& ngc)
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{
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var val=local[1];
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var str=local[2];
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if(val.type!=vm_str)
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return nas_err("io::fout","\"filename\" must be string");
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std::ofstream fout(val.str());
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if(fout.fail())
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return nas_err("io::fout","cannot open <"+val.str()+">");
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fout<<str;
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return nil;
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}
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var builtin_split(var* local,gc& ngc)
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{
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var delimeter=local[1];
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var str=local[2];
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if(delimeter.type!=vm_str)
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return nas_err("split","\"separator\" must be string");
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if(str.type!=vm_str)
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return nas_err("split","\"str\" must be string");
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const string& deli=delimeter.str();
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const string& s=str.str();
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// avoid being sweeped
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var res=ngc.temp=ngc.alloc(vm_vec);
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auto& vec=res.vec().elems;
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if(!deli.length())
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{
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for(auto i:s)
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vec.push_back(ngc.newstr(i));
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ngc.temp=nil;
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return res;
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}
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usize last=0,pos=s.find(deli,0);
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while(pos!=string::npos)
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{
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if(pos>last)
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vec.push_back(ngc.newstr(s.substr(last,pos-last)));
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last=pos+deli.length();
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pos=s.find(deli,last);
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}
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if(last!=s.length())
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vec.push_back(ngc.newstr(s.substr(last)));
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ngc.temp=nil;
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return res;
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}
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var builtin_rand(var* local,gc& ngc)
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{
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var val=local[1];
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if(val.type!=vm_num && val.type!=vm_nil)
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return nas_err("rand","\"seed\" must be nil or number");
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if(val.type==vm_num)
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{
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srand((u32)val.num());
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return nil;
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}
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f64 num=0;
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for(u32 i=0;i<5;++i)
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num=(num+rand())*(1.0/(RAND_MAX+1.0));
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return {vm_num,num};
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}
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var builtin_id(var* local,gc& ngc)
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{
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var val=local[1];
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std::stringstream ss;
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ss<<"0";
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if(val.type>vm_num)
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ss<<"x"<<std::hex<<(u64)val.val.gcobj<<std::dec;
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return ngc.newstr(ss.str());
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}
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var builtin_int(var* local,gc& ngc)
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{
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var val=local[1];
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if(val.type!=vm_num && val.type!=vm_str)
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return nil;
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return {vm_num,f64((i32)val.tonum())};
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}
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var builtin_floor(var* local,gc& ngc)
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{
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var val=local[1];
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return {vm_num,std::floor(val.num())};
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}
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var builtin_num(var* local,gc& ngc)
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{
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var val=local[1];
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if(val.type==vm_num)
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return val;
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if(val.type!=vm_str)
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return nil;
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f64 res=val.tonum();
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if(std::isnan(res))
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return nil;
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return {vm_num,res};
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}
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var builtin_pop(var* local,gc& ngc)
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{
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var val=local[1];
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if(val.type!=vm_vec)
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return nas_err("pop","\"vec\" must be vector");
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auto& vec=val.vec().elems;
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if(vec.size())
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{
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var tmp=vec.back();
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vec.pop_back();
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return tmp;
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}
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return nil;
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}
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var builtin_str(var* local,gc& ngc)
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{
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return ngc.newstr(local[1].tostr());
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}
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var builtin_size(var* local,gc& ngc)
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{
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var val=local[1];
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f64 num=0;
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switch(val.type)
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{
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case vm_num: num=val.num(); break;
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case vm_str: num=val.str().length();break;
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case vm_vec: num=val.vec().size(); break;
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case vm_hash: num=val.hash().size(); break;
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}
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return {vm_num,num};
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}
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var builtin_i32xor(var* local,gc& ngc)
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{
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return {vm_num,(f64)(i32(local[1].num())^i32(local[2].num()))};
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}
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var builtin_i32and(var* local,gc& ngc)
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{
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return {vm_num,(f64)(i32(local[1].num())&i32(local[2].num()))};
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}
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var builtin_i32or(var* local,gc& ngc)
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{
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return {vm_num,(f64)(i32(local[1].num())|i32(local[2].num()))};
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}
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var builtin_i32nand(var* local,gc& ngc)
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{
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return {vm_num,(f64)(~(i32(local[1].num())&i32(local[2].num())))};
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}
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var builtin_i32not(var* local,gc& ngc)
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{
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return {vm_num,(f64)(~i32(local[1].num()))};
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}
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var builtin_u32xor(var* local,gc& ngc)
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{
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return {vm_num,(f64)(u32(local[1].num())^u32(local[2].num()))};
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}
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var builtin_u32and(var* local,gc& ngc)
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{
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return {vm_num,(f64)(u32(local[1].num())&u32(local[2].num()))};
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}
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var builtin_u32or(var* local,gc& ngc)
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{
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return {vm_num,(f64)(u32(local[1].num())|u32(local[2].num()))};
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}
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var builtin_u32nand(var* local,gc& ngc)
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{
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return {vm_num,(f64)(u32)(~(u32(local[1].num())&u32(local[2].num())))};
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}
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var builtin_u32not(var* local,gc& ngc)
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{
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return {vm_num,(f64)(u32)(~u32(local[1].num()))};
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}
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var builtin_pow(var* local,gc& ngc)
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{
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var x=local[1];
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var y=local[2];
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if(x.type!=vm_num || y.type!=vm_num)
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return {vm_num,std::nan("")};
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return {vm_num,std::pow(x.num(),y.num())};
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}
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var builtin_sin(var* local,gc& ngc)
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{
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var val=local[1];
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return {vm_num,val.type==vm_num?sin(val.num()):std::nan("")};
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}
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var builtin_cos(var* local,gc& ngc)
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{
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var val=local[1];
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return {vm_num,val.type==vm_num?cos(val.num()):std::nan("")};
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}
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var builtin_tan(var* local,gc& ngc)
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{
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var val=local[1];
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return {vm_num,val.type==vm_num?tan(val.num()):std::nan("")};
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}
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var builtin_exp(var* local,gc& ngc)
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{
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var val=local[1];
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return {vm_num,val.type==vm_num?exp(val.num()):std::nan("")};
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}
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var builtin_lg(var* local,gc& ngc)
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{
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var val=local[1];
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return {vm_num,val.type==vm_num?log(val.num())/log(10.0):std::nan("")};
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}
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var builtin_ln(var* local,gc& ngc)
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{
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var val=local[1];
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return {vm_num,val.type==vm_num?log(val.num()):std::nan("")};
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}
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var builtin_sqrt(var* local,gc& ngc)
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{
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var val=local[1];
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return {vm_num,val.type==vm_num?sqrt(val.num()):std::nan("")};
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}
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var builtin_atan2(var* local,gc& ngc)
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{
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var x=local[1];
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var y=local[2];
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if(x.type!=vm_num || y.type!=vm_num)
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return {vm_num,std::nan("")};
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return {vm_num,atan2(y.num(),x.num())};
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}
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var builtin_isnan(var* local,gc& ngc)
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{
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var x=local[1];
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return (x.type==vm_num && std::isnan(x.num()))?one:zero;
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}
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var builtin_time(var* local,gc& ngc)
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{
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var val=local[1];
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if(val.type!=vm_num)
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return nas_err("time","\"begin_time\" must be number");
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time_t begin_time=(time_t)val.num();
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return {vm_num,(f64)time(&begin_time)};
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}
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var builtin_contains(var* local,gc& ngc)
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{
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var hash=local[1];
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var key=local[2];
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if(hash.type!=vm_hash)
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return nas_err("contains","\"hash\" must be hash");
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if(key.type!=vm_str)
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return zero;
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return hash.hash().elems.count(key.str())?one:zero;
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}
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var builtin_delete(var* local,gc& ngc)
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{
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var hash=local[1];
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var key=local[2];
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if(hash.type!=vm_hash)
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return nas_err("delete","\"hash\" must be hash");
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if(key.type!=vm_str)
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return nil;
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if(hash.hash().elems.count(key.str()))
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hash.hash().elems.erase(key.str());
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return nil;
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}
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var builtin_keys(var* local,gc& ngc)
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{
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var hash=local[1];
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if(hash.type!=vm_hash)
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return nas_err("keys","\"hash\" must be hash");
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// avoid being sweeped
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var res=ngc.temp=ngc.alloc(vm_vec);
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auto& vec=res.vec().elems;
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for(auto& iter:hash.hash().elems)
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vec.push_back(ngc.newstr(iter.first));
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ngc.temp=nil;
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return res;
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}
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var builtin_die(var* local,gc& ngc)
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{
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return nas_err("error",local[1].tostr());
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}
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var builtin_find(var* local,gc& ngc)
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{
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var needle=local[1];
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var haystack=local[2];
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usize pos=haystack.tostr().find(needle.tostr());
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if(pos==string::npos)
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return {vm_num,(f64)-1};
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return {vm_num,(f64)pos};
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}
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var builtin_type(var* local,gc& ngc)
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{
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switch(local[1].type)
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{
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case vm_none: return ngc.newstr("undefined");break;
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case vm_nil: return ngc.newstr("nil"); break;
|
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case vm_num: return ngc.newstr("num"); break;
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case vm_str: return ngc.newstr("str"); break;
|
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case vm_vec: return ngc.newstr("vec"); break;
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case vm_hash: return ngc.newstr("hash"); break;
|
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case vm_func: return ngc.newstr("func"); break;
|
||
case vm_obj: return ngc.newstr("obj"); break;
|
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case vm_co: return ngc.newstr("coroutine");break;
|
||
}
|
||
return nil;
|
||
}
|
||
var builtin_substr(var* local,gc& ngc)
|
||
{
|
||
var str=local[1];
|
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var beg=local[2];
|
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var len=local[3];
|
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if(str.type!=vm_str)
|
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return nas_err("substr","\"str\" must be string");
|
||
if(beg.type!=vm_num || beg.num()<0)
|
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return nas_err("substr","\"begin\" should be number >= 0");
|
||
if(len.type!=vm_num || len.num()<0)
|
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return nas_err("substr","\"length\" should be number >= 0");
|
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usize begin=(usize)beg.num();
|
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usize length=(usize)len.num();
|
||
if(begin>=str.str().length() || begin+length>str.str().length())
|
||
return nas_err("susbtr","index out of range");
|
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return ngc.newstr(str.str().substr(begin,length));
|
||
}
|
||
var builtin_streq(var* local,gc& ngc)
|
||
{
|
||
var a=local[1];
|
||
var b=local[2];
|
||
return {vm_num,f64((a.type!=vm_str || b.type!=vm_str)?0:(a.str()==b.str()))};
|
||
}
|
||
var builtin_left(var* local,gc& ngc)
|
||
{
|
||
var str=local[1];
|
||
var len=local[2];
|
||
if(str.type!=vm_str)
|
||
return nas_err("left","\"string\" must be string");
|
||
if(len.type!=vm_num)
|
||
return nas_err("left","\"length\" must be number");
|
||
if(len.num()<0)
|
||
return ngc.newstr("");
|
||
return ngc.newstr(str.str().substr(0,len.num()));
|
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}
|
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var builtin_right(var* local,gc& ngc)
|
||
{
|
||
var str=local[1];
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||
var len=local[2];
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||
if(str.type!=vm_str)
|
||
return nas_err("right","\"string\" must be string");
|
||
if(len.type!=vm_num)
|
||
return nas_err("right","\"length\" must be number");
|
||
i32 length=(i32)len.num();
|
||
i32 srclen=str.str().length();
|
||
if(length>srclen)
|
||
length=srclen;
|
||
if(length<0)
|
||
length=0;
|
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return ngc.newstr(str.str().substr(srclen-length,srclen));
|
||
}
|
||
var builtin_cmp(var* local,gc& ngc)
|
||
{
|
||
var a=local[1];
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||
var b=local[2];
|
||
if(a.type!=vm_str || b.type!=vm_str)
|
||
return nas_err("cmp","\"a\" and \"b\" must be string");
|
||
return {vm_num,(f64)strcmp(a.str().c_str(),b.str().c_str())};
|
||
}
|
||
var builtin_chr(var* local,gc& ngc)
|
||
{
|
||
const char* extend[]={
|
||
"€"," ","‚","ƒ","„","…","†","‡",
|
||
"ˆ","‰","Š","‹","Œ"," ","Ž"," ",
|
||
" ","‘","’","“","”","•","–","—",
|
||
"˜","™","š","›","œ"," ","ž","Ÿ",
|
||
" ","¡","¢","£","¤","¥","¦","§",
|
||
"¨","©","ª","«","¬"," ","®","¯",
|
||
"°","±","²","³","´","µ","¶","·",
|
||
"¸","¹","º","»","¼","½","¾","¿",
|
||
"À","Á","Â","Ã","Ä","Å","Æ","Ç",
|
||
"È","É","Ê","Ë","Ì","Í","Î","Ï",
|
||
"Ð","Ñ","Ò","Ó","Ô","Õ","Ö","×",
|
||
"Ø","Ù","Ú","Û","Ü","Ý","Þ","ß",
|
||
"à","á","â","ã","ä","å","æ","ç",
|
||
"è","é","ê","ë","ì","í","î","ï",
|
||
"ð","ñ","ò","ó","ô","õ","ö","÷",
|
||
"ø","ù","ú","û","ü","ý","þ","ÿ"
|
||
};
|
||
i32 num=local[1].num();
|
||
if(0<=num && num<128)
|
||
return ngc.newstr((char)num);
|
||
else if(128<=num && num<256)
|
||
return ngc.newstr(extend[num-128]);
|
||
return ngc.newstr(" ");
|
||
}
|
||
var builtin_values(var* local,gc& ngc)
|
||
{
|
||
var hash=local[1];
|
||
if(hash.type!=vm_hash)
|
||
return nas_err("values","\"hash\" must be hash");
|
||
var vec=ngc.alloc(vm_vec);
|
||
auto& v=vec.vec().elems;
|
||
for(auto& i:hash.hash().elems)
|
||
v.push_back(i.second);
|
||
return vec;
|
||
}
|
||
var builtin_exists(var* local,gc& ngc)
|
||
{
|
||
if(local[1].type!=vm_str)
|
||
return zero;
|
||
return access(local[1].str().c_str(),F_OK)!=-1?one:zero;
|
||
}
|
||
void obj_file_dtor(void* ptr)
|
||
{
|
||
fclose((FILE*)ptr);
|
||
}
|
||
var builtin_open(var* local,gc& ngc)
|
||
{
|
||
var name=local[1];
|
||
var mode=local[2];
|
||
if(name.type!=vm_str)
|
||
return nas_err("open","\"filename\" must be string");
|
||
if(mode.type!=vm_str)
|
||
return nas_err("open","\"mode\" must be string");
|
||
FILE* res=fopen(name.str().c_str(),mode.str().c_str());
|
||
if(!res)
|
||
return nas_err("open","failed to open file <"+name.str()+">");
|
||
var ret=ngc.alloc(vm_obj);
|
||
ret.obj().set(nas_obj::file,res,obj_file_dtor);
|
||
return ret;
|
||
}
|
||
var builtin_close(var* local,gc& ngc)
|
||
{
|
||
var fd=local[1];
|
||
if(!fd.objchk(nas_obj::file))
|
||
return nas_err("close","not a valid filehandle");
|
||
fclose((FILE*)fd.obj().ptr);
|
||
fd.obj().ptr=nullptr;
|
||
return nil;
|
||
}
|
||
var builtin_read(var* local,gc& ngc)
|
||
{
|
||
var fd=local[1];
|
||
var buf=local[2];
|
||
var len=local[3];
|
||
if(!fd.objchk(nas_obj::file))
|
||
return nas_err("read","not a valid filehandle");
|
||
if(buf.type!=vm_str || buf.val.gcobj->unmut)
|
||
return nas_err("read","\"buf\" must be mutable string");
|
||
if(len.type!=vm_num)
|
||
return nas_err("read","\"len\" must be number");
|
||
if(len.num()<=0 || len.num()>=(1<<30))
|
||
return nas_err("read","\"len\" less than 1 or too large");
|
||
char* buff=new char[(usize)len.num()+1];
|
||
if(!buff)
|
||
return nas_err("read","malloc failed");
|
||
f64 res=fread(buff,1,len.num(),(FILE*)fd.obj().ptr);
|
||
buf.str()=buff;
|
||
buf.val.gcobj->unmut=true;
|
||
delete []buff;
|
||
return {vm_num,res};
|
||
}
|
||
var builtin_write(var* local,gc& ngc)
|
||
{
|
||
var fd=local[1];
|
||
var str=local[2];
|
||
if(!fd.objchk(nas_obj::file))
|
||
return nas_err("write","not a valid filehandle");
|
||
if(str.type!=vm_str)
|
||
return nas_err("write","\"str\" must be string");
|
||
return {vm_num,(f64)fwrite(str.str().c_str(),1,str.str().length(),(FILE*)fd.obj().ptr)};
|
||
}
|
||
var builtin_seek(var* local,gc& ngc)
|
||
{
|
||
var fd=local[1];
|
||
var pos=local[2];
|
||
var whence=local[3];
|
||
if(!fd.objchk(nas_obj::file))
|
||
return nas_err("seek","not a valid filehandle");
|
||
return {vm_num,(f64)fseek((FILE*)fd.obj().ptr,pos.num(),whence.num())};
|
||
}
|
||
var builtin_tell(var* local,gc& ngc)
|
||
{
|
||
var fd=local[1];
|
||
if(!fd.objchk(nas_obj::file))
|
||
return nas_err("tell","not a valid filehandle");
|
||
return {vm_num,(f64)ftell((FILE*)fd.obj().ptr)};
|
||
}
|
||
var builtin_readln(var* local,gc& ngc)
|
||
{
|
||
var fd=local[1];
|
||
if(!fd.objchk(nas_obj::file))
|
||
return nas_err("readln","not a valid filehandle");
|
||
var str=ngc.alloc(vm_str);
|
||
char c;
|
||
while((c=fgetc((FILE*)fd.obj().ptr))!=EOF)
|
||
{
|
||
if(c=='\r')
|
||
continue;
|
||
if(c=='\n')
|
||
return str;
|
||
str.str()+=c;
|
||
}
|
||
if(str.str().length())
|
||
return str;
|
||
return nil;
|
||
}
|
||
var builtin_stat(var* local,gc& ngc)
|
||
{
|
||
var name=local[1];
|
||
if(name.type!=vm_str)
|
||
return nas_err("stat","\"filename\" must be string");
|
||
struct stat buf;
|
||
if(stat(name.str().c_str(),&buf)<0)
|
||
return nas_err("stat","failed to open file <"+name.str()+">");
|
||
var ret=ngc.alloc(vm_vec);
|
||
ret.vec().elems={
|
||
{vm_num,(f64)buf.st_dev},
|
||
{vm_num,(f64)buf.st_ino},
|
||
{vm_num,(f64)buf.st_mode},
|
||
{vm_num,(f64)buf.st_nlink},
|
||
{vm_num,(f64)buf.st_uid},
|
||
{vm_num,(f64)buf.st_gid},
|
||
{vm_num,(f64)buf.st_rdev},
|
||
{vm_num,(f64)buf.st_size},
|
||
{vm_num,(f64)buf.st_atime},
|
||
{vm_num,(f64)buf.st_mtime},
|
||
{vm_num,(f64)buf.st_ctime}
|
||
};
|
||
return ret;
|
||
}
|
||
var builtin_eof(var* local,gc& ngc)
|
||
{
|
||
var fd=local[1];
|
||
if(!fd.objchk(nas_obj::file))
|
||
return nas_err("readln","not a valid filehandle");
|
||
return {vm_num,(f64)feof((FILE*)fd.obj().ptr)};
|
||
}
|
||
var builtin_fld(var* local,gc& ngc)
|
||
{
|
||
// bits.fld(s,0,3);
|
||
// if s stores 10100010(162)
|
||
// will get 101(5)
|
||
var str=local[1];
|
||
var startbit=local[2];
|
||
var length=local[3];
|
||
if(str.type!=vm_str || str.val.gcobj->unmut)
|
||
return nas_err("fld","\"str\" must be mutable string");
|
||
if(startbit.type!=vm_num || length.type!=vm_num)
|
||
return nas_err("fld","\"startbit\",\"len\" must be number");
|
||
u32 bit=(u32)startbit.num();
|
||
u32 len=(u32)length.num();
|
||
if(bit+len>8*str.str().length())
|
||
return nas_err("fld","bitfield out of bounds");
|
||
u32 res=0;
|
||
auto& s=str.str();
|
||
for(u32 i=bit;i<bit+len;++i)
|
||
if(s[i>>3]&(1<<(7-(i&7))))
|
||
res|=1<<(bit+len-i-1);
|
||
return {vm_num,(f64)res};
|
||
}
|
||
var builtin_sfld(var* local,gc& ngc)
|
||
{
|
||
// bits.sfld(s,0,3);
|
||
// if s stores 10100010(162)
|
||
// will get 101(5) then this will be signed extended to
|
||
// 11111101(-3)
|
||
var str=local[1];
|
||
var startbit=local[2];
|
||
var length=local[3];
|
||
if(str.type!=vm_str || str.val.gcobj->unmut)
|
||
return nas_err("sfld","\"str\" must be mutable string");
|
||
if(startbit.type!=vm_num || length.type!=vm_num)
|
||
return nas_err("sfld","\"startbit\",\"len\" must be number");
|
||
u32 bit=(u32)startbit.num();
|
||
u32 len=(u32)length.num();
|
||
if(bit+len>8*str.str().length())
|
||
return nas_err("sfld","bitfield out of bounds");
|
||
u32 res=0;
|
||
auto& s=str.str();
|
||
for(u32 i=bit;i<bit+len;++i)
|
||
if(s[i>>3]&(1<<(7-(i&7))))
|
||
res|=1<<(bit+len-i-1);
|
||
if(res&(1<<(len-1)))
|
||
res|=~((1<<len)-1);
|
||
return {vm_num,(f64)((i32)res)};
|
||
}
|
||
var builtin_setfld(var* local,gc& ngc)
|
||
{
|
||
// bits.setfld(s,0,8,69);
|
||
// set 01000101(69) to string will get this:
|
||
// 10100010(162)
|
||
// so s[0]=162
|
||
var str=local[1];
|
||
var startbit=local[2];
|
||
var length=local[3];
|
||
var value=local[4];
|
||
if(str.type!=vm_str || str.val.gcobj->unmut)
|
||
return nas_err("setfld","\"str\" must be mutable string");
|
||
if(startbit.type!=vm_num || length.type!=vm_num || value.type!=vm_num)
|
||
return nas_err("setfld","\"startbit\",\"len\",\"val\" must be number");
|
||
u32 bit=(u32)startbit.num();
|
||
u32 len=(u32)length.num();
|
||
u64 val=(u64)value.num();
|
||
if(bit+len>8*str.str().length())
|
||
return nas_err("setfld","bitfield out of bounds");
|
||
auto& s=str.str();
|
||
for(u32 i=bit;i<bit+len;++i)
|
||
{
|
||
if(val&(1<<(i-bit)))
|
||
s[i>>3]|=(1<<(7-(i&7)));
|
||
else
|
||
s[i>>3]&=~(1<<(7-(i&7)));
|
||
}
|
||
return nil;
|
||
}
|
||
var builtin_buf(var* local,gc& ngc)
|
||
{
|
||
var length=local[1];
|
||
if(length.type!=vm_num || length.num()<=0)
|
||
return nas_err("buf","\"len\" must be number greater than 0");
|
||
var str=ngc.alloc(vm_str);
|
||
auto& s=str.str();
|
||
s.resize(length.num(),'\0');
|
||
return str;
|
||
}
|
||
var builtin_sleep(var* local,gc& ngc)
|
||
{
|
||
var val=local[1];
|
||
if(val.type!=vm_num)
|
||
return nas_err("sleep","\"duration\" must be number");
|
||
std::this_thread::sleep_for(std::chrono::microseconds(i64(val.num()*1e6)));
|
||
return nil;
|
||
}
|
||
var builtin_pipe(var* local,gc& ngc)
|
||
{
|
||
#ifndef _WIN32
|
||
i32 fd[2];
|
||
var res=ngc.alloc(vm_vec);
|
||
if(pipe(fd)==-1)
|
||
return nas_err("pipe","failed to create pipe");
|
||
res.vec().elems.push_back({vm_num,(f64)fd[0]});
|
||
res.vec().elems.push_back({vm_num,(f64)fd[1]});
|
||
return res;
|
||
#endif
|
||
return nas_err("pipe","not supported for windows");
|
||
}
|
||
var builtin_fork(var* local,gc& ngc)
|
||
{
|
||
#ifndef _WIN32
|
||
f64 res=fork();
|
||
if(res<0)
|
||
return nas_err("fork","failed to fork a process");
|
||
return {vm_num,(f64)res};
|
||
#endif
|
||
return nas_err("fork","not supported for windows");
|
||
}
|
||
var builtin_waitpid(var* local,gc& ngc)
|
||
{
|
||
var pid=local[1];
|
||
var nohang=local[2];
|
||
if(pid.type!=vm_num || nohang.type!=vm_num)
|
||
return nas_err("waitpid","pid and nohang must be number");
|
||
#ifndef _WIN32
|
||
i32 ret_pid,status;
|
||
ret_pid=waitpid(pid.num(),&status,nohang.num()==0?0:WNOHANG);
|
||
var vec=ngc.alloc(vm_vec);
|
||
vec.vec().elems.push_back({vm_num,(f64)ret_pid});
|
||
vec.vec().elems.push_back({vm_num,(f64)status});
|
||
return vec;
|
||
#endif
|
||
return nas_err("waitpid","not supported for windows");
|
||
}
|
||
void obj_dir_dtor(void* ptr)
|
||
{
|
||
#ifndef _MSC_VER
|
||
closedir((DIR*)ptr);
|
||
#else
|
||
FindClose(ptr);
|
||
#endif
|
||
}
|
||
var builtin_opendir(var* local,gc& ngc)
|
||
{
|
||
var path=local[1];
|
||
if(path.type!=vm_str)
|
||
return nas_err("opendir","\"path\" must be string");
|
||
#ifdef _MSC_VER
|
||
WIN32_FIND_DATAA data;
|
||
HANDLE p;
|
||
p=FindFirstFileA((path.str()+"\\*.*").c_str(),&data);
|
||
if(p==INVALID_HANDLE_VALUE)
|
||
return nas_err("opendir","cannot open dir <"+path.str()+">");
|
||
#else
|
||
DIR* p=opendir(path.str().c_str());
|
||
if(!p)
|
||
return nas_err("opendir","cannot open dir <"+path.str()+">");
|
||
#endif
|
||
var ret=ngc.alloc(vm_obj);
|
||
ret.obj().set(nas_obj::dir,p,obj_dir_dtor);
|
||
return ret;
|
||
}
|
||
var builtin_readdir(var* local,gc& ngc)
|
||
{
|
||
var handle=local[1];
|
||
if(!handle.objchk(nas_obj::dir))
|
||
return nas_err("readdir","not a valid dir handle");
|
||
#ifdef _MSC_VER
|
||
WIN32_FIND_DATAA data;
|
||
if(!FindNextFileA(handle.obj().ptr,&data))
|
||
return nil;
|
||
return ngc.newstr(data.cFileName);
|
||
#else
|
||
dirent* p=readdir((DIR*)handle.obj().ptr);
|
||
return p?ngc.newstr(p->d_name):nil;
|
||
#endif
|
||
}
|
||
var builtin_closedir(var* local,gc& ngc)
|
||
{
|
||
var handle=local[1];
|
||
if(!handle.objchk(nas_obj::dir))
|
||
return nas_err("closedir","not a valid dir handle");
|
||
#ifndef _MSC_VER
|
||
closedir((DIR*)handle.obj().ptr);
|
||
#else
|
||
FindClose(handle.obj().ptr);
|
||
#endif
|
||
handle.obj().ptr=nullptr;
|
||
return nil;
|
||
}
|
||
var builtin_chdir(var* local,gc& ngc)
|
||
{
|
||
var path=local[1];
|
||
if(path.type!=vm_str)
|
||
return {vm_num,(f64)-1};
|
||
return {vm_num,(f64)chdir(path.str().c_str())};
|
||
}
|
||
var builtin_environ(var* local,gc& ngc)
|
||
{
|
||
var res=ngc.temp=ngc.alloc(vm_vec);
|
||
auto& vec=res.vec().elems;
|
||
for(char** env=environ;*env;++env)
|
||
vec.push_back(ngc.newstr(*env));
|
||
ngc.temp=nil;
|
||
return res;
|
||
}
|
||
var builtin_getcwd(var* local,gc& ngc)
|
||
{
|
||
char buf[1024];
|
||
if(!getcwd(buf,sizeof(buf)))
|
||
return nil;
|
||
return ngc.newstr(buf);
|
||
}
|
||
var builtin_getenv(var* local,gc& ngc)
|
||
{
|
||
var envvar=local[1];
|
||
if(envvar.type!=vm_str)
|
||
return nas_err("getenv","\"envvar\" must be string");
|
||
char* res=getenv(envvar.str().c_str());
|
||
return res?ngc.newstr(res):nil;
|
||
}
|
||
void dylib_dtor(void* ptr)
|
||
{
|
||
#ifdef _WIN32
|
||
FreeLibrary((HMODULE)ptr);
|
||
#else
|
||
dlclose(ptr);
|
||
#endif
|
||
}
|
||
var builtin_dlopen(var* local,gc& ngc)
|
||
{
|
||
var dlname=local[1];
|
||
if(dlname.type!=vm_str)
|
||
return nas_err("dlopen","\"libname\" must be string");
|
||
#ifdef _WIN32
|
||
wchar_t* str=new wchar_t[dlname.str().size()+1];
|
||
if(!str)
|
||
return nas_err("dlopen","malloc failed");
|
||
memset(str,0,sizeof(wchar_t)*dlname.str().size()+1);
|
||
mbstowcs(str,dlname.str().c_str(),dlname.str().size()+1);
|
||
void* ptr=LoadLibraryA(dlname.str().c_str());
|
||
delete []str;
|
||
#else
|
||
void* ptr=dlopen(dlname.str().c_str(),RTLD_LOCAL|RTLD_LAZY);
|
||
#endif
|
||
if(!ptr)
|
||
return nas_err("dlopen","cannot open dynamic lib <"+dlname.str()+">");
|
||
var ret=ngc.alloc(vm_obj);
|
||
ret.obj().set(nas_obj::dylib,ptr,dylib_dtor);
|
||
return ret;
|
||
}
|
||
var builtin_dlsym(var* local,gc& ngc)
|
||
{
|
||
var lib=local[1];
|
||
var sym=local[2];
|
||
if(!lib.objchk(nas_obj::dylib))
|
||
return nas_err("dlsym","\"lib\" is not a valid dynamic lib");
|
||
if(sym.type!=vm_str)
|
||
return nas_err("dlsym","\"sym\" must be string");
|
||
// "get" function
|
||
#ifdef _WIN32
|
||
void* func=(void*)GetProcAddress((HMODULE)lib.obj().ptr,"get");
|
||
#else
|
||
void* func=dlsym(lib.obj().ptr,"get");
|
||
#endif
|
||
if(!func)
|
||
return nas_err("dlsym","cannot find get function");
|
||
// get function pointer by name
|
||
void* ptr=(void*)((getptr)func)(sym.str().c_str());
|
||
if(!ptr)
|
||
return nas_err("dlsym","cannot find function <"+sym.str()+">");
|
||
var ret=ngc.alloc(vm_obj);
|
||
ret.obj().set(nas_obj::faddr,ptr);
|
||
return ret;
|
||
}
|
||
var builtin_dlclose(var* local,gc& ngc)
|
||
{
|
||
var libptr=local[1];
|
||
if(!libptr.objchk(nas_obj::dylib))
|
||
return nas_err("dlclose","\"lib\" is not a valid dynamic lib");
|
||
#ifdef _WIN32
|
||
FreeLibrary((HMODULE)libptr.obj().ptr);
|
||
#else
|
||
dlclose(libptr.obj().ptr);
|
||
#endif
|
||
libptr.obj().ptr=nullptr;
|
||
return nil;
|
||
}
|
||
var builtin_dlcall(var* local,gc& ngc)
|
||
{
|
||
var fp=local[1];
|
||
var args=local[2];
|
||
if(!fp.objchk(nas_obj::faddr))
|
||
return nas_err("dlcall","\"funcptr\" is not a valid function pointer");
|
||
auto& vec=args.vec().elems;
|
||
return ((mod)fp.obj().ptr)(vec.data(),vec.size(),&ngc);
|
||
}
|
||
|
||
var builtin_platform(var* local,gc& ngc)
|
||
{
|
||
#if defined _WIN32 || defined _WIN64
|
||
return ngc.newstr("windows");
|
||
#elif defined __linux__
|
||
return ngc.newstr("linux");
|
||
#elif defined __APPLE__
|
||
return ngc.newstr("macOS");
|
||
#endif
|
||
return ngc.newstr("unknown");
|
||
}
|
||
|
||
// md5 related functions
|
||
string tohex(u32 num)
|
||
{
|
||
const char str16[]="0123456789abcdef";
|
||
string str="";
|
||
for(u32 i=0;i<4;i++,num>>=8)
|
||
{
|
||
string tmp="";
|
||
for(u32 j=0,b=num&0xff;j<2;j++,b>>=4)
|
||
tmp.insert(0,1,str16[b&0xf]);
|
||
str+=tmp;
|
||
}
|
||
return str;
|
||
}
|
||
string md5(const string& src)
|
||
{
|
||
std::vector<u32> buff;
|
||
usize num=((src.length()+8)>>6)+1;
|
||
usize buffsize=num<<4;
|
||
buff.resize(buffsize,0);
|
||
for(usize i=0;i<src.length();i++)
|
||
buff[i>>2]|=((u8)src[i])<<((i&0x3)<<3);
|
||
buff[src.length()>>2]|=0x80<<(((src.length()%4))<<3);
|
||
buff[buffsize-2]=(src.length()<<3)&0xffffffff;
|
||
buff[buffsize-1]=((src.length()<<3)>>32)&0xffffffff;
|
||
|
||
// u32(abs(sin(i+1))*(2pow32))
|
||
const u32 k[]={
|
||
0xd76aa478,0xe8c7b756,0x242070db,0xc1bdceee,0xf57c0faf,0x4787c62a,0xa8304613,0xfd469501,
|
||
0x698098d8,0x8b44f7af,0xffff5bb1,0x895cd7be,0x6b901122,0xfd987193,0xa679438e,0x49b40821,
|
||
0xf61e2562,0xc040b340,0x265e5a51,0xe9b6c7aa,0xd62f105d,0x02441453,0xd8a1e681,0xe7d3fbc8,
|
||
0x21e1cde6,0xc33707d6,0xf4d50d87,0x455a14ed,0xa9e3e905,0xfcefa3f8,0x676f02d9,0x8d2a4c8a,
|
||
0xfffa3942,0x8771f681,0x6d9d6122,0xfde5380c,0xa4beea44,0x4bdecfa9,0xf6bb4b60,0xbebfbc70,
|
||
0x289b7ec6,0xeaa127fa,0xd4ef3085,0x04881d05,0xd9d4d039,0xe6db99e5,0x1fa27cf8,0xc4ac5665,
|
||
0xf4292244,0x432aff97,0xab9423a7,0xfc93a039,0x655b59c3,0x8f0ccc92,0xffeff47d,0x85845dd1,
|
||
0x6fa87e4f,0xfe2ce6e0,0xa3014314,0x4e0811a1,0xf7537e82,0xbd3af235,0x2ad7d2bb,0xeb86d391
|
||
};
|
||
|
||
// left shift bits
|
||
const u32 s[]={
|
||
7,12,17,22,7,12,17,22,7,12,17,22,7,12,17,22,
|
||
5,9,14,20,5,9,14,20,5,9,14,20,5,9,14,20,
|
||
4,11,16,23,4,11,16,23,4,11,16,23,4,11,16,23,
|
||
6,10,15,21,6,10,15,21,6,10,15,21,6,10,15,21
|
||
};
|
||
|
||
// index
|
||
const u32 idx[]={
|
||
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, // g=i
|
||
1,6,11,0,5,10,15,4,9,14,3,8,13,2,7,12, // g=(5*i+1)%16;
|
||
5,8,11,14,1,4,7,10,13,0,3,6,9,12,15,2, // g=(3*i+5)%16;
|
||
0,7,14,5,12,3,10,1,8,15,6,13,4,11,2,9 // g=(7*i)%16;
|
||
};
|
||
|
||
#define shift(x,n) (((x)<<(n))|((x)>>(32-(n)))) // cycle left shift
|
||
#define md5f(x,y,z) (((x)&(y))|((~x)&(z)))
|
||
#define md5g(x,y,z) (((x)&(z))|((y)&(~z)))
|
||
#define md5h(x,y,z) ((x)^(y)^(z))
|
||
#define md5i(x,y,z) ((y)^((x)|(~z)))
|
||
|
||
u32 atmp=0x67452301,btmp=0xefcdab89;
|
||
u32 ctmp=0x98badcfe,dtmp=0x10325476;
|
||
for(u32 i=0;i<buffsize;i+=16)
|
||
{
|
||
u32 f,a=atmp,b=btmp,c=ctmp,d=dtmp;
|
||
for(u32 j=0;j<64;j++)
|
||
{
|
||
if(j<16) f=md5f(b,c,d);
|
||
else if(j<32) f=md5g(b,c,d);
|
||
else if(j<48) f=md5h(b,c,d);
|
||
else f=md5i(b,c,d);
|
||
u32 tmp=d;
|
||
d=c;
|
||
c=b;
|
||
b=b+shift((a+f+k[j]+buff[i+idx[j]]),s[j]);
|
||
a=tmp;
|
||
}
|
||
atmp+=a;
|
||
btmp+=b;
|
||
ctmp+=c;
|
||
dtmp+=d;
|
||
}
|
||
return tohex(atmp)+tohex(btmp)+tohex(ctmp)+tohex(dtmp);
|
||
}
|
||
var builtin_md5(var* local,gc& ngc)
|
||
{
|
||
var str=local[1];
|
||
if(str.type!=vm_str)
|
||
return nas_err("md5","\"str\" must be string");
|
||
return ngc.newstr(md5(str.str()));
|
||
}
|
||
|
||
var builtin_cocreate(var* local,gc& ngc)
|
||
{
|
||
// +-----------------+
|
||
// | old pc | <- top[0]
|
||
// +-----------------+
|
||
// | old localr | <- top[-1]
|
||
// +-----------------+
|
||
// | old upvalr | <- top[-2]
|
||
// +-----------------+
|
||
// | local scope |
|
||
// | ... |
|
||
// +-----------------+ <- local pointer stored in localr
|
||
// | old funcr | <- old function stored in funcr
|
||
// +-----------------+
|
||
var func=local[1];
|
||
if(func.type!=vm_func)
|
||
return nas_err("coroutine::create","must use a function to create coroutine");
|
||
if(ngc.cort)
|
||
return nas_err("coroutine::create","cannot create another coroutine in a coroutine");
|
||
var co=ngc.alloc(vm_co);
|
||
nas_co& cort=co.co();
|
||
cort.pc=func.func().entry-1;
|
||
|
||
cort.top[0]=nil;
|
||
cort.localr=cort.top+1;
|
||
cort.top=cort.localr+func.func().lsize;
|
||
cort.localr[0]=func.func().local[0];
|
||
cort.top[0]=nil; // old upvalr
|
||
cort.top++;
|
||
cort.top[0]={vm_addr,(var*)nullptr}; // old localr
|
||
cort.top++;
|
||
cort.top[0]={vm_ret,(u32)0}; // old pc, set to zero to make op_ret recognizing this as coroutine function
|
||
|
||
cort.funcr=func; // make sure the coroutine function can use correct upvalues
|
||
cort.status=nas_co::suspended;
|
||
|
||
return co;
|
||
}
|
||
var builtin_coresume(var* local,gc& ngc)
|
||
{
|
||
if(ngc.cort)
|
||
return nas_err("coroutine::resume","cannot start another coroutine when one is running");
|
||
var co=local[1];
|
||
if(co.type!=vm_co)
|
||
return nas_err("coroutine::resume","must use a coroutine object");
|
||
if(co.co().status==nas_co::dead)
|
||
return nil;
|
||
ngc.ctxchg(co.co());
|
||
return ngc.top[0];
|
||
}
|
||
var builtin_coyield(var* local,gc& ngc)
|
||
{
|
||
if(!ngc.cort)
|
||
return nas_err("coroutine::yield","no coroutine is running");
|
||
ngc.ctxreserve();
|
||
// this will set to main stack top
|
||
// then builtin_coresume will return it
|
||
return local[1];
|
||
}
|
||
var builtin_costatus(var* local,gc& ngc)
|
||
{
|
||
var co=local[1];
|
||
if(co.type!=vm_co)
|
||
return nas_err("coroutine::status","must use a coroutine object");
|
||
switch(co.co().status)
|
||
{
|
||
case nas_co::suspended: return ngc.newstr("suspended");break;
|
||
case nas_co::running: return ngc.newstr("running"); break;
|
||
case nas_co::dead: return ngc.newstr("dead"); break;
|
||
}
|
||
return nil;
|
||
}
|
||
var builtin_corun(var* local,gc& ngc)
|
||
{
|
||
return ngc.cort?one:zero;
|
||
}
|
||
var builtin_millisec(var* local,gc& ngc)
|
||
{
|
||
f64 res=std::chrono::duration_cast<std::chrono::milliseconds>
|
||
(std::chrono::high_resolution_clock::now().time_since_epoch())
|
||
.count();
|
||
return {vm_num,res};
|
||
}
|
||
var builtin_sysargv(var* local,gc& ngc)
|
||
{
|
||
var res=ngc.alloc(vm_vec);
|
||
res.vec().elems=ngc.env_argv;
|
||
return res;
|
||
}
|
||
var builtin_logtime(var* local,gc& ngc)
|
||
{
|
||
time_t t=time(nullptr);
|
||
tm* tm_t=localtime(&t);
|
||
char s[32];
|
||
sprintf(s,"%d-%.2d-%.2d %.2d:%.2d:%.2d",tm_t->tm_year+1900,tm_t->tm_mon+1,tm_t->tm_mday,tm_t->tm_hour,tm_t->tm_min,tm_t->tm_sec);
|
||
return ngc.newstr(s);
|
||
}
|
||
|
||
// register builtin function's name and it's address here in this table below
|
||
// this table must end with {nullptr,nullptr}
|
||
struct
|
||
{
|
||
const char* name;
|
||
var (*func)(var*,gc&);
|
||
} builtin[]=
|
||
{
|
||
{"__print", builtin_print },
|
||
{"__println", builtin_println },
|
||
{"__exit", builtin_exit },
|
||
{"__abort", builtin_abort },
|
||
{"__append", builtin_append },
|
||
{"__setsize", builtin_setsize },
|
||
{"__system", builtin_system },
|
||
{"__input", builtin_input },
|
||
{"__fin", builtin_fin },
|
||
{"__fout", builtin_fout },
|
||
{"__split", builtin_split },
|
||
{"__rand", builtin_rand },
|
||
{"__id", builtin_id },
|
||
{"__int", builtin_int },
|
||
{"__floor", builtin_floor },
|
||
{"__num", builtin_num },
|
||
{"__pop", builtin_pop },
|
||
{"__str", builtin_str },
|
||
{"__size", builtin_size },
|
||
{"__i32xor", builtin_i32xor },
|
||
{"__i32and", builtin_i32and },
|
||
{"__i32or", builtin_i32or },
|
||
{"__i32nand", builtin_i32nand },
|
||
{"__i32not", builtin_i32not },
|
||
{"__u32xor", builtin_u32xor },
|
||
{"__u32and", builtin_u32and },
|
||
{"__u32or", builtin_u32or },
|
||
{"__u32nand", builtin_u32nand },
|
||
{"__u32not", builtin_u32not },
|
||
{"__pow", builtin_pow },
|
||
{"__sin", builtin_sin },
|
||
{"__cos", builtin_cos },
|
||
{"__tan", builtin_tan },
|
||
{"__exp", builtin_exp },
|
||
{"__lg", builtin_lg },
|
||
{"__ln", builtin_ln },
|
||
{"__sqrt", builtin_sqrt },
|
||
{"__atan2", builtin_atan2 },
|
||
{"__isnan", builtin_isnan },
|
||
{"__time", builtin_time },
|
||
{"__contains",builtin_contains},
|
||
{"__delete", builtin_delete },
|
||
{"__keys", builtin_keys },
|
||
{"__die", builtin_die },
|
||
{"__find", builtin_find },
|
||
{"__type", builtin_type },
|
||
{"__substr", builtin_substr },
|
||
{"__streq", builtin_streq },
|
||
{"__left", builtin_left },
|
||
{"__right", builtin_right },
|
||
{"__cmp", builtin_cmp },
|
||
{"__chr", builtin_chr },
|
||
{"__values", builtin_values },
|
||
{"__exists", builtin_exists },
|
||
{"__open", builtin_open },
|
||
{"__close", builtin_close },
|
||
{"__read", builtin_read },
|
||
{"__write", builtin_write },
|
||
{"__seek", builtin_seek },
|
||
{"__tell", builtin_tell },
|
||
{"__readln", builtin_readln },
|
||
{"__stat", builtin_stat },
|
||
{"__eof", builtin_eof },
|
||
{"__fld", builtin_fld },
|
||
{"__sfld", builtin_sfld },
|
||
{"__setfld", builtin_setfld },
|
||
{"__buf", builtin_buf },
|
||
{"__sleep", builtin_sleep },
|
||
{"__pipe", builtin_pipe },
|
||
{"__fork", builtin_fork },
|
||
{"__waitpid", builtin_waitpid },
|
||
{"__opendir", builtin_opendir },
|
||
{"__readdir", builtin_readdir },
|
||
{"__closedir",builtin_closedir},
|
||
{"__chdir", builtin_chdir },
|
||
{"__environ", builtin_environ },
|
||
{"__getcwd", builtin_getcwd },
|
||
{"__getenv", builtin_getenv },
|
||
{"__dlopen", builtin_dlopen },
|
||
{"__dlsym", builtin_dlsym },
|
||
{"__dlclose", builtin_dlclose },
|
||
{"__dlcall", builtin_dlcall },
|
||
{"__platform",builtin_platform},
|
||
{"__md5", builtin_md5 },
|
||
{"__cocreate",builtin_cocreate},
|
||
{"__coresume",builtin_coresume},
|
||
{"__coyield", builtin_coyield },
|
||
{"__costatus",builtin_costatus},
|
||
{"__corun" ,builtin_corun },
|
||
{"__millisec",builtin_millisec},
|
||
{"__sysargv", builtin_sysargv },
|
||
{"__logtime", builtin_logtime },
|
||
{nullptr, nullptr }
|
||
};
|