🔥 change class name.

nasal_lexer -> lexer
nasal_parse -> parse
nasal_codegen -> codegen
nasal_vm -> vm
nasal_gc -> gc
nasal_dbg -> debugger
nasal_import -> linker
nas_ref -> var
This commit is contained in:
ValKmjolnir
2022-10-21 01:29:29 +08:00
parent 025ff49ffc
commit 3fd1b25f79
19 changed files with 1070 additions and 1068 deletions
+205 -205
View File
@@ -5,29 +5,29 @@
#include <stack>
#include "nasal_codegen.h"
class nasal_vm
class vm
{
protected:
/* registers and constants of nasal_vm */
u32 pc; // program counter
nas_ref* localr; // local scope register
nas_ref* memr; // used for mem_call
nas_ref funcr; // function register
nas_ref upvalr; // upvalue register
nas_ref* canary; // avoid stackoverflow
nas_ref* top; // stack top
const f64* num_table;// const numbers, ref from nasal_codegen
const string* str_table;// const symbols, ref from nasal_codegen
/* registers and constants of vm */
u32 pc; // program counter
var* localr; // local scope register
var* memr; // used for mem_call
var funcr; // function register
var upvalr; // upvalue register
var* canary; // avoid stackoverflow
var* top; // stack top
const f64* num_table;// const numbers, ref from codegen
const string* str_table;// const symbols, ref from codegen
std::vector<u32> imm; // immediate number
/* garbage collector */
nasal_gc gc;
gc ngc;
/* main stack */
nas_ref stack[STACK_DEPTH];
var stack[STACK_DEPTH];
/* values used for debugger */
const string* files; // ref from nasal_import
const opcode* bytecode; // ref from nasal_codegen
const string* files; // ref from linker
const opcode* bytecode; // ref from codegen
void init(
const std::vector<string>&,
@@ -37,7 +37,7 @@ protected:
const std::vector<string>&);
/* debug functions */
bool detail_info;
void valinfo(nas_ref&);
void valinfo(var&);
void traceback();
void stackinfo(const u32);
void reginfo();
@@ -48,7 +48,7 @@ protected:
void die(const string&);
#define vm_error(info) {die(info);return;}
/* vm calculation functions*/
bool condition(nas_ref);
bool condition(var);
/* vm operands */
void o_intg();
void o_intl();
@@ -125,26 +125,26 @@ protected:
void o_mcallh();
void o_ret();
public:
nasal_vm():pc(0),localr(nullptr),memr(nullptr),funcr(nil),
vm():pc(0),localr(nullptr),memr(nullptr),funcr(nil),
upvalr(nil),canary(nullptr),top(stack),
num_table(nullptr),str_table(nullptr),
gc(pc,localr,memr,funcr,upvalr,canary,top,stack),
ngc(pc,localr,memr,funcr,upvalr,canary,top,stack),
files(nullptr),bytecode(nullptr),detail_info(false){}
void run(
const nasal_codegen&,
const nasal_import&,
const codegen&,
const linker&,
const std::vector<string>&,
const bool);
};
void nasal_vm::init(
void vm::init(
const std::vector<string>& strs,
const std::vector<f64>& nums,
const std::vector<opcode>& code,
const std::vector<string>& filenames,
const std::vector<string>& argv)
{
gc.init(strs,argv);
ngc.init(strs,argv);
num_table=nums.data();
str_table=strs.data();
bytecode=code.data();
@@ -161,7 +161,7 @@ void nasal_vm::init(
for(u32 i=0;i<STACK_DEPTH;++i)
stack[i]=nil;
}
void nasal_vm::valinfo(nas_ref& val)
void vm::valinfo(var& val)
{
const nas_val* p=val.val.gcobj;
std::cout<<"\t";
@@ -199,17 +199,17 @@ void nasal_vm::valinfo(nas_ref& val)
}
std::cout<<"\n";
}
void nasal_vm::traceback()
void vm::traceback()
{
/* bytecode[0].num is the global size */
nas_ref* bottom=gc.stack==stack?stack+bytecode[0].num:gc.stack;
nas_ref* ctx_top=gc.stack==stack?top:gc.top;
var* bottom=ngc.stack==stack?stack+bytecode[0].num:ngc.stack;
var* ctx_top=ngc.stack==stack?top:ngc.top;
std::stack<u32> ret;
for(nas_ref* i=bottom;i<=ctx_top;++i)
for(var* i=bottom;i<=ctx_top;++i)
if(i->type==vm_ret && i->ret()!=0)
ret.push(i->ret());
ret.push(pc); // store the position program crashed
std::cout<<"trace back ("<<(gc.stack==stack?"main":"coroutine")<<")\n";
std::cout<<"trace back ("<<(ngc.stack==stack?"main":"coroutine")<<")\n";
for(u32 p=0,same=0,prev=0xffffffff;!ret.empty();prev=p,ret.pop())
{
if((p=ret.top())==prev)
@@ -226,12 +226,12 @@ void nasal_vm::traceback()
}
// the first called place has no same calls
}
void nasal_vm::stackinfo(const u32 limit=10)
void vm::stackinfo(const u32 limit=10)
{
/* bytecode[0].num is the global size */
const u32 gsize=gc.stack==stack?bytecode[0].num:0;
nas_ref* t=top;
nas_ref* bottom=gc.stack+gsize;
const u32 gsize=ngc.stack==stack?bytecode[0].num:0;
var* t=top;
var* bottom=ngc.stack+gsize;
std::cout<<"vm stack (0x"<<std::hex<<(u64)bottom<<std::dec
<<" <sp+"<<gsize<<">, limit "<<limit<<", total "
<<(t<bottom? 0:(i64)(t-bottom+1))<<")\n";
@@ -239,13 +239,13 @@ void nasal_vm::stackinfo(const u32 limit=10)
{
std::cout<<" 0x"<<std::hex
<<std::setw(8)<<std::setfill('0')
<<(u64)(t-gc.stack)<<std::dec;
<<(u64)(t-ngc.stack)<<std::dec;
valinfo(t[0]);
}
}
void nasal_vm::reginfo()
void vm::reginfo()
{
std::cout<<"registers ("<<(gc.cort?"coroutine":"main")<<")\n"<<std::hex
std::cout<<"registers ("<<(ngc.cort?"coroutine":"main")<<")\n"<<std::hex
<<" [ pc ] | pc | 0x"<<pc<<"\n"
<<" [ global ] | addr | 0x"<<(u64)stack<<"\n"
<<" [ localr ] | addr | 0x"<<(u64)localr<<"\n"
@@ -256,7 +256,7 @@ void nasal_vm::reginfo()
std::cout<<" [ funcr ]";valinfo(funcr);
std::cout<<" [ upvalr ]";valinfo(upvalr);
}
void nasal_vm::gstate()
void vm::gstate()
{
if(!bytecode[0].num || stack[0].type==vm_none) // bytecode[0].op is op_intg
return;
@@ -268,13 +268,13 @@ void nasal_vm::gstate()
valinfo(stack[i]);
}
}
void nasal_vm::lstate()
void vm::lstate()
{
if(!localr || !funcr.func().lsize)
return;
const u32 lsize=funcr.func().lsize;
std::cout<<"local (0x"<<std::hex<<(u64)localr
<<" <sp+"<<(u64)(localr-gc.stack)<<">)\n"<<std::dec;
<<" <sp+"<<(u64)(localr-ngc.stack)<<">)\n"<<std::dec;
for(u32 i=0;i<lsize;++i)
{
std::cout<<" 0x"<<std::hex<<std::setw(8)
@@ -282,7 +282,7 @@ void nasal_vm::lstate()
valinfo(localr[i]);
}
}
void nasal_vm::ustate()
void vm::ustate()
{
if(funcr.type==vm_nil || funcr.func().upval.empty())
return;
@@ -300,29 +300,29 @@ void nasal_vm::ustate()
}
}
}
void nasal_vm::detail()
void vm::detail()
{
reginfo();
gstate();
lstate();
ustate();
}
void nasal_vm::die(const string& str)
void vm::die(const string& str)
{
std::cout<<"[vm] error: "<<str<<"\n";
traceback();
stackinfo();
if(detail_info)
detail();
if(gc.stack==stack){
if(ngc.stack==stack){
std::exit(1);
}else{
pc=0; // mark coroutine 'dead'
gc.ctxreserve();
ngc.ctxreserve();
top[0]=nil;
}
}
inline bool nasal_vm::condition(nas_ref val)
inline bool vm::condition(var val)
{
if(val.type==vm_num)
return val.num();
@@ -333,45 +333,45 @@ inline bool nasal_vm::condition(nas_ref val)
}
return false;
}
inline void nasal_vm::o_intg()
inline void vm::o_intg()
{
// global values store on stack
top+=imm[pc];
--top;// point to the top
}
inline void nasal_vm::o_intl()
inline void vm::o_intl()
{
top[0].func().local.resize(imm[pc],nil);
top[0].func().lsize=imm[pc];
}
inline void nasal_vm::o_loadg()
inline void vm::o_loadg()
{
stack[imm[pc]]=(top--)[0];
}
inline void nasal_vm::o_loadl()
inline void vm::o_loadl()
{
localr[imm[pc]]=(top--)[0];
}
inline void nasal_vm::o_loadu()
inline void vm::o_loadu()
{
funcr.func().upval[(imm[pc]>>16)&0xffff]
.upval()[imm[pc]&0xffff]=(top--)[0];
}
inline void nasal_vm::o_pnum()
inline void vm::o_pnum()
{
(++top)[0]={vm_num,num_table[imm[pc]]};
}
inline void nasal_vm::o_pnil()
inline void vm::o_pnil()
{
(++top)[0]=nil;
}
inline void nasal_vm::o_pstr()
inline void vm::o_pstr()
{
(++top)[0]=gc.strs[imm[pc]];
(++top)[0]=ngc.strs[imm[pc]];
}
inline void nasal_vm::o_newv()
inline void vm::o_newv()
{
nas_ref newv=gc.alloc(vm_vec);
var newv=ngc.alloc(vm_vec);
auto& vec=newv.vec().elems;
vec.resize(imm[pc]);
// use top-=imm[pc]-1 here will cause error if imm[pc] is 0
@@ -380,13 +380,13 @@ inline void nasal_vm::o_newv()
vec[i]=top[i];
top[0]=newv;
}
inline void nasal_vm::o_newh()
inline void vm::o_newh()
{
(++top)[0]=gc.alloc(vm_hash);
(++top)[0]=ngc.alloc(vm_hash);
}
inline void nasal_vm::o_newf()
inline void vm::o_newf()
{
(++top)[0]=gc.alloc(vm_func);
(++top)[0]=ngc.alloc(vm_func);
nas_func& func=top[0].func();
func.entry=imm[pc];
func.psize=1;
@@ -395,40 +395,40 @@ inline void nasal_vm::o_newf()
if(localr)
{
func.upval=funcr.func().upval;
nas_ref upval=(upvalr.type==vm_nil)?gc.alloc(vm_upval):upvalr;
var upval=(upvalr.type==vm_nil)?ngc.alloc(vm_upval):upvalr;
upval.upval().size=funcr.func().lsize;
upval.upval().stk=localr;
func.upval.push_back(upval);
upvalr=upval;
}
}
inline void nasal_vm::o_happ()
inline void vm::o_happ()
{
top[-1].hash().elems[str_table[imm[pc]]]=top[0];
--top;
}
inline void nasal_vm::o_para()
inline void vm::o_para()
{
nas_func& func=top[0].func();
// func->size has 1 place reserved for "me"
func.keys[imm[pc]]=func.psize;
func.local[func.psize++]={vm_none};
}
inline void nasal_vm::o_deft()
inline void vm::o_deft()
{
nas_ref val=top[0];
var val=top[0];
nas_func& func=(--top)[0].func();
// func->size has 1 place reserved for "me"
func.keys[imm[pc]]=func.psize;
func.local[func.psize++]=val;
}
inline void nasal_vm::o_dyn()
inline void vm::o_dyn()
{
top[0].func().dpara=imm[pc];
}
inline void nasal_vm::o_unot()
inline void vm::o_unot()
{
nas_ref val=top[0];
var val=top[0];
switch(val.type)
{
case vm_nil:top[0]=one;break;
@@ -444,7 +444,7 @@ inline void nasal_vm::o_unot()
default:vm_error("incorrect value type");break;
}
}
inline void nasal_vm::o_usub()
inline void vm::o_usub()
{
top[0]={vm_num,-top[0].tonum()};
}
@@ -453,26 +453,26 @@ inline void nasal_vm::o_usub()
top[-1]={vm_num,top[-1].tonum() type top[0].tonum()};\
--top;
inline void nasal_vm::o_add(){op_calc(+);}
inline void nasal_vm::o_sub(){op_calc(-);}
inline void nasal_vm::o_mul(){op_calc(*);}
inline void nasal_vm::o_div(){op_calc(/);}
inline void nasal_vm::o_lnk()
inline void vm::o_add(){op_calc(+);}
inline void vm::o_sub(){op_calc(-);}
inline void vm::o_mul(){op_calc(*);}
inline void vm::o_div(){op_calc(/);}
inline void vm::o_lnk()
{
top[-1]=gc.newstr(top[-1].tostr()+top[0].tostr());
top[-1]=ngc.newstr(top[-1].tostr()+top[0].tostr());
--top;
}
#define op_calc_const(type)\
top[0]={vm_num,top[0].tonum() type num_table[imm[pc]]};
inline void nasal_vm::o_addc(){op_calc_const(+);}
inline void nasal_vm::o_subc(){op_calc_const(-);}
inline void nasal_vm::o_mulc(){op_calc_const(*);}
inline void nasal_vm::o_divc(){op_calc_const(/);}
inline void nasal_vm::o_lnkc()
inline void vm::o_addc(){op_calc_const(+);}
inline void vm::o_subc(){op_calc_const(-);}
inline void vm::o_mulc(){op_calc_const(*);}
inline void vm::o_divc(){op_calc_const(/);}
inline void vm::o_lnkc()
{
top[0]=gc.newstr(top[0].tostr()+str_table[imm[pc]]);
top[0]=ngc.newstr(top[0].tostr()+str_table[imm[pc]]);
}
#define op_calc_eq(type)\
@@ -480,13 +480,13 @@ inline void nasal_vm::o_lnkc()
memr=nullptr;\
top-=imm[pc]+1;
inline void nasal_vm::o_addeq(){op_calc_eq(+);}
inline void nasal_vm::o_subeq(){op_calc_eq(-);}
inline void nasal_vm::o_muleq(){op_calc_eq(*);}
inline void nasal_vm::o_diveq(){op_calc_eq(/);}
inline void nasal_vm::o_lnkeq()
inline void vm::o_addeq(){op_calc_eq(+);}
inline void vm::o_subeq(){op_calc_eq(-);}
inline void vm::o_muleq(){op_calc_eq(*);}
inline void vm::o_diveq(){op_calc_eq(/);}
inline void vm::o_lnkeq()
{
top[-1]=memr[0]=gc.newstr(memr[0].tostr()+top[-1].tostr());
top[-1]=memr[0]=ngc.newstr(memr[0].tostr()+top[-1].tostr());
memr=nullptr;
top-=imm[pc]+1;
}
@@ -496,18 +496,18 @@ inline void nasal_vm::o_lnkeq()
memr=nullptr;\
top-=(imm[pc]>>31);
inline void nasal_vm::o_addeqc(){op_calc_eq_const(+);}
inline void nasal_vm::o_subeqc(){op_calc_eq_const(-);}
inline void nasal_vm::o_muleqc(){op_calc_eq_const(*);}
inline void nasal_vm::o_diveqc(){op_calc_eq_const(/);}
inline void nasal_vm::o_lnkeqc()
inline void vm::o_addeqc(){op_calc_eq_const(+);}
inline void vm::o_subeqc(){op_calc_eq_const(-);}
inline void vm::o_muleqc(){op_calc_eq_const(*);}
inline void vm::o_diveqc(){op_calc_eq_const(/);}
inline void vm::o_lnkeqc()
{
top[0]=memr[0]=gc.newstr(memr[0].tostr()+str_table[imm[pc]&0x7fffffff]);
top[0]=memr[0]=ngc.newstr(memr[0].tostr()+str_table[imm[pc]&0x7fffffff]);
memr=nullptr;
top-=(imm[pc]>>31);
}
inline void nasal_vm::o_meq()
inline void vm::o_meq()
{
// pop old memr[0] and replace it
// the reason why we should get memr and push the old value on stack
@@ -518,10 +518,10 @@ inline void nasal_vm::o_meq()
memr=nullptr;
top-=imm[pc]+1;
}
inline void nasal_vm::o_eq()
inline void vm::o_eq()
{
nas_ref val2=top[0];
nas_ref val1=(--top)[0];
var val2=top[0];
var val1=(--top)[0];
if(val1.type==vm_nil && val2.type==vm_nil)
top[0]=one;
else if(val1.type==vm_str && val2.type==vm_str)
@@ -532,10 +532,10 @@ inline void nasal_vm::o_eq()
else
top[0]=(val1==val2)?one:zero;
}
inline void nasal_vm::o_neq()
inline void vm::o_neq()
{
nas_ref val2=top[0];
nas_ref val1=(--top)[0];
var val2=top[0];
var val1=(--top)[0];
if(val1.type==vm_nil && val2.type==vm_nil)
top[0]=zero;
else if(val1.type==vm_str && val2.type==vm_str)
@@ -551,45 +551,45 @@ inline void nasal_vm::o_neq()
--top;\
top[0]=(top[0].tonum() type top[1].tonum())?one:zero;
inline void nasal_vm::o_less(){op_cmp(<);}
inline void nasal_vm::o_leq(){op_cmp(<=);}
inline void nasal_vm::o_grt(){op_cmp(>);}
inline void nasal_vm::o_geq(){op_cmp(>=);}
inline void vm::o_less(){op_cmp(<);}
inline void vm::o_leq(){op_cmp(<=);}
inline void vm::o_grt(){op_cmp(>);}
inline void vm::o_geq(){op_cmp(>=);}
#define op_cmp_const(type)\
top[0]=(top[0].tonum() type num_table[imm[pc]])?one:zero;
inline void nasal_vm::o_lessc(){op_cmp_const(<);}
inline void nasal_vm::o_leqc(){op_cmp_const(<=);}
inline void nasal_vm::o_grtc(){op_cmp_const(>);}
inline void nasal_vm::o_geqc(){op_cmp_const(>=);}
inline void vm::o_lessc(){op_cmp_const(<);}
inline void vm::o_leqc(){op_cmp_const(<=);}
inline void vm::o_grtc(){op_cmp_const(>);}
inline void vm::o_geqc(){op_cmp_const(>=);}
inline void nasal_vm::o_pop()
inline void vm::o_pop()
{
--top;
}
inline void nasal_vm::o_jmp()
inline void vm::o_jmp()
{
pc=imm[pc]-1;
}
inline void nasal_vm::o_jt()
inline void vm::o_jt()
{
if(condition(top[0]))
pc=imm[pc]-1;
}
inline void nasal_vm::o_jf()
inline void vm::o_jf()
{
if(!condition(top[0]))
pc=imm[pc]-1;
--top;
}
inline void nasal_vm::o_cnt()
inline void vm::o_cnt()
{
if(top[0].type!=vm_vec)
vm_error("must use vector in forindex/foreach");
(++top)[0]={vm_cnt,(i64)-1};
}
inline void nasal_vm::o_findex()
inline void vm::o_findex()
{
if((usize)(++top[0].cnt())>=top[-1].vec().size())
{
@@ -599,9 +599,9 @@ inline void nasal_vm::o_findex()
top[1]={vm_num,(f64)top[0].cnt()};
++top;
}
inline void nasal_vm::o_feach()
inline void vm::o_feach()
{
std::vector<nas_ref>& ref=top[-1].vec().elems;
std::vector<var>& ref=top[-1].vec().elems;
if((usize)(++top[0].cnt())>=ref.size())
{
pc=imm[pc]-1;
@@ -610,23 +610,23 @@ inline void nasal_vm::o_feach()
top[1]=ref[top[0].cnt()];
++top;
}
inline void nasal_vm::o_callg()
inline void vm::o_callg()
{
(++top)[0]=stack[imm[pc]];
}
inline void nasal_vm::o_calll()
inline void vm::o_calll()
{
(++top)[0]=localr[imm[pc]];
}
inline void nasal_vm::o_upval()
inline void vm::o_upval()
{
(++top)[0]=funcr.func().upval[(imm[pc]>>16)&0xffff]
.upval()[imm[pc]&0xffff];
}
inline void nasal_vm::o_callv()
inline void vm::o_callv()
{
nas_ref val=top[0];
nas_ref vec=(--top)[0];
var val=top[0];
var vec=(--top)[0];
if(vec.type==vm_vec)
{
top[0]=vec.vec().get_val(val.tonum());
@@ -655,9 +655,9 @@ inline void nasal_vm::o_callv()
else
vm_error("must call a vector/hash/string");
}
inline void nasal_vm::o_callvi()
inline void vm::o_callvi()
{
nas_ref val=top[0];
var val=top[0];
if(val.type!=vm_vec)
vm_error("must use a vector");
// cannot use operator[],because this may cause overflow
@@ -665,9 +665,9 @@ inline void nasal_vm::o_callvi()
if(top[0].type==vm_none)
vm_error("index out of range:"+std::to_string(imm[pc]));
}
inline void nasal_vm::o_callh()
inline void vm::o_callh()
{
nas_ref val=top[0];
var val=top[0];
if(val.type!=vm_hash)
vm_error("must call a hash");
top[0]=val.hash().get_val(str_table[imm[pc]]);
@@ -676,14 +676,14 @@ inline void nasal_vm::o_callh()
if(top[0].type==vm_func)
top[0].func().local[0]=val;// 'me'
}
inline void nasal_vm::o_callfv()
inline void vm::o_callfv()
{
u32 argc=imm[pc]; // arguments counter
nas_ref* local=top-argc+1; // arguments begin address
var* local=top-argc+1; // arguments begin address
if(local[-1].type!=vm_func)
vm_error("must call a function");
auto& func=local[-1].func();
nas_ref tmp=local[-1];
var tmp=local[-1];
local[-1]=funcr;
funcr=tmp;
// top-argc+lsize(local) +1(old pc) +1(old localr) +1(old upvalr)
@@ -694,11 +694,11 @@ inline void nasal_vm::o_callfv()
if(argc<psize && func.local[argc+1].type==vm_none)
vm_error("lack argument(s)");
nas_ref dynamic=nil;
var dynamic=nil;
top=local+func.lsize;
if(func.dpara>=0)// load dynamic arguments
{
dynamic=gc.alloc(vm_vec);
dynamic=ngc.alloc(vm_vec);
for(u32 i=psize;i<argc;++i)
dynamic.vec().elems.push_back(local[i]);
}
@@ -723,13 +723,13 @@ inline void nasal_vm::o_callfv()
localr=local;
upvalr=nil;
}
inline void nasal_vm::o_callfh()
inline void vm::o_callfh()
{
auto& hash=top[0].hash().elems;
if(top[-1].type!=vm_func)
vm_error("must call a function");
auto& func=top[-1].func();
nas_ref tmp=top[-1];
var tmp=top[-1];
top[-1]=funcr;
funcr=tmp;
// top -1(hash) +lsize(local) +1(old pc) +1(old localr) +1(old upvalr)
@@ -738,7 +738,7 @@ inline void nasal_vm::o_callfh()
if(func.dpara>=0)
vm_error("special call cannot use dynamic argument");
nas_ref* local=top;
var* local=top;
top+=func.lsize;
for(u32 i=0;i<func.lsize;++i)
local[i]=func.local[i];
@@ -759,7 +759,7 @@ inline void nasal_vm::o_callfh()
localr=local;
upvalr=nil;
}
inline void nasal_vm::o_callb()
inline void vm::o_callb()
{
// reserve place for builtin function return,
// in fact this code is changed because of coroutine
@@ -767,40 +767,40 @@ inline void nasal_vm::o_callb()
// this ++top should not be used like: (++top)[0] here
// because if running a builtin function about coroutine
// (top) will be set to another context.top, instead of main_context.top
top[0]=(*builtin[imm[pc]].func)(localr,gc);
top[0]=(*builtin[imm[pc]].func)(localr,ngc);
if(top[0].type==vm_none)
vm_error("native function error");
}
inline void nasal_vm::o_slcbeg()
inline void vm::o_slcbeg()
{
// +--------------+
// | slice_vector | <-- top[0]
// +--------------+
// | resource_vec | <-- top[-1]
// +--------------+
(++top)[0]=gc.alloc(vm_vec);
(++top)[0]=ngc.alloc(vm_vec);
if(top[-1].type!=vm_vec)
vm_error("must slice a vector");
}
inline void nasal_vm::o_slcend()
inline void vm::o_slcend()
{
top[-1]=top[0];
--top;
}
inline void nasal_vm::o_slc()
inline void vm::o_slc()
{
nas_ref val=(top--)[0];
nas_ref res=top[-1].vec().get_val(val.tonum());
var val=(top--)[0];
var res=top[-1].vec().get_val(val.tonum());
if(res.type==vm_none)
vm_error("index out of range:"+std::to_string(val.tonum()));
top[0].vec().elems.push_back(res);
}
inline void nasal_vm::o_slc2()
inline void vm::o_slc2()
{
nas_ref val2=(top--)[0];
nas_ref val1=(top--)[0];
std::vector<nas_ref>& ref=top[-1].vec().elems;
std::vector<nas_ref>& aim=top[0].vec().elems;
var val2=(top--)[0];
var val1=(top--)[0];
std::vector<var>& ref=top[-1].vec().elems;
std::vector<var>& aim=top[0].vec().elems;
u8 type1=val1.type,type2=val2.type;
i32 num1=val1.tonum();
@@ -823,31 +823,31 @@ inline void nasal_vm::o_slc2()
aim.push_back(i>=0?ref[i]:ref[i+size]);
}
}
inline void nasal_vm::o_mcallg()
inline void vm::o_mcallg()
{
memr=stack+imm[pc];
(++top)[0]=memr[0];
// push value in this memory space on stack
// to avoid being garbage collected
}
inline void nasal_vm::o_mcalll()
inline void vm::o_mcalll()
{
memr=localr+imm[pc];
(++top)[0]=memr[0];
// push value in this memory space on stack
// to avoid being garbage collected
}
inline void nasal_vm::o_mupval()
inline void vm::o_mupval()
{
memr=&(funcr.func().upval[(imm[pc]>>16)&0xffff].upval()[imm[pc]&0xffff]);
(++top)[0]=memr[0];
// push value in this memory space on stack
// to avoid being garbage collected
}
inline void nasal_vm::o_mcallv()
inline void vm::o_mcallv()
{
nas_ref val=top[0]; // index
nas_ref vec=(--top)[0]; // mcall vector, reserved on stack to avoid gc
var val=top[0]; // index
var vec=(--top)[0]; // mcall vector, reserved on stack to avoid gc
if(vec.type==vm_vec)
{
memr=vec.vec().get_mem(val.tonum());
@@ -868,9 +868,9 @@ inline void nasal_vm::o_mcallv()
}else
vm_error("cannot get memory space in this type");
}
inline void nasal_vm::o_mcallh()
inline void vm::o_mcallh()
{
nas_ref hash=top[0]; // mcall hash, reserved on stack to avoid gc
var hash=top[0]; // mcall hash, reserved on stack to avoid gc
if(hash.type!=vm_hash)
vm_error("must call a hash");
nas_hash& ref=hash.hash();
@@ -882,7 +882,7 @@ inline void nasal_vm::o_mcallh()
memr=ref.get_mem(str);
}
}
inline void nasal_vm::o_ret()
inline void vm::o_ret()
{
/* +-------------+
* | return value| <- top[0]
@@ -899,10 +899,10 @@ inline void nasal_vm::o_ret()
* | old funcr | <- old function stored in funcr
* +-------------+
*/
nas_ref ret =top[0];
nas_ref* local=localr;
nas_ref func =funcr;
nas_ref up =upvalr;
var ret =top[0];
var* local=localr;
var func =funcr;
var up =upvalr;
pc =top[-1].ret();
localr=top[-2].addr();
@@ -923,11 +923,11 @@ inline void nasal_vm::o_ret()
// cannot use gc.cort to judge,
// because there maybe another function call inside
if(!pc)
gc.ctxreserve();
ngc.ctxreserve();
}
void nasal_vm::run(
const nasal_codegen& gen,
const nasal_import& linker,
void vm::run(
const codegen& gen,
const linker& linker,
const std::vector<string>& argv,
const bool detail)
{
@@ -965,47 +965,47 @@ void nasal_vm::run(
// goto the first operand
goto *code[pc];
#else
typedef void (nasal_vm::*nafunc)();
typedef void (vm::*nafunc)();
const nafunc oprs[]=
{
nullptr, &nasal_vm::o_intg,
&nasal_vm::o_intl, &nasal_vm::o_loadg,
&nasal_vm::o_loadl, &nasal_vm::o_loadu,
&nasal_vm::o_pnum, &nasal_vm::o_pnil,
&nasal_vm::o_pstr, &nasal_vm::o_newv,
&nasal_vm::o_newh, &nasal_vm::o_newf,
&nasal_vm::o_happ, &nasal_vm::o_para,
&nasal_vm::o_deft, &nasal_vm::o_dyn,
&nasal_vm::o_unot, &nasal_vm::o_usub,
&nasal_vm::o_add, &nasal_vm::o_sub,
&nasal_vm::o_mul, &nasal_vm::o_div,
&nasal_vm::o_lnk, &nasal_vm::o_addc,
&nasal_vm::o_subc, &nasal_vm::o_mulc,
&nasal_vm::o_divc, &nasal_vm::o_lnkc,
&nasal_vm::o_addeq, &nasal_vm::o_subeq,
&nasal_vm::o_muleq, &nasal_vm::o_diveq,
&nasal_vm::o_lnkeq, &nasal_vm::o_addeqc,
&nasal_vm::o_subeqc, &nasal_vm::o_muleqc,
&nasal_vm::o_diveqc, &nasal_vm::o_lnkeqc,
&nasal_vm::o_meq, &nasal_vm::o_eq,
&nasal_vm::o_neq, &nasal_vm::o_less,
&nasal_vm::o_leq, &nasal_vm::o_grt,
&nasal_vm::o_geq, &nasal_vm::o_lessc,
&nasal_vm::o_leqc, &nasal_vm::o_grtc,
&nasal_vm::o_geqc, &nasal_vm::o_pop,
&nasal_vm::o_jmp, &nasal_vm::o_jt,
&nasal_vm::o_jf, &nasal_vm::o_cnt,
&nasal_vm::o_findex, &nasal_vm::o_feach,
&nasal_vm::o_callg, &nasal_vm::o_calll,
&nasal_vm::o_upval, &nasal_vm::o_callv,
&nasal_vm::o_callvi, &nasal_vm::o_callh,
&nasal_vm::o_callfv, &nasal_vm::o_callfh,
&nasal_vm::o_callb, &nasal_vm::o_slcbeg,
&nasal_vm::o_slcend, &nasal_vm::o_slc,
&nasal_vm::o_slc2, &nasal_vm::o_mcallg,
&nasal_vm::o_mcalll, &nasal_vm::o_mupval,
&nasal_vm::o_mcallv, &nasal_vm::o_mcallh,
&nasal_vm::o_ret
nullptr, &vm::o_intg,
&vm::o_intl, &vm::o_loadg,
&vm::o_loadl, &vm::o_loadu,
&vm::o_pnum, &vm::o_pnil,
&vm::o_pstr, &vm::o_newv,
&vm::o_newh, &vm::o_newf,
&vm::o_happ, &vm::o_para,
&vm::o_deft, &vm::o_dyn,
&vm::o_unot, &vm::o_usub,
&vm::o_add, &vm::o_sub,
&vm::o_mul, &vm::o_div,
&vm::o_lnk, &vm::o_addc,
&vm::o_subc, &vm::o_mulc,
&vm::o_divc, &vm::o_lnkc,
&vm::o_addeq, &vm::o_subeq,
&vm::o_muleq, &vm::o_diveq,
&vm::o_lnkeq, &vm::o_addeqc,
&vm::o_subeqc, &vm::o_muleqc,
&vm::o_diveqc, &vm::o_lnkeqc,
&vm::o_meq, &vm::o_eq,
&vm::o_neq, &vm::o_less,
&vm::o_leq, &vm::o_grt,
&vm::o_geq, &vm::o_lessc,
&vm::o_leqc, &vm::o_grtc,
&vm::o_geqc, &vm::o_pop,
&vm::o_jmp, &vm::o_jt,
&vm::o_jf, &vm::o_cnt,
&vm::o_findex, &vm::o_feach,
&vm::o_callg, &vm::o_calll,
&vm::o_upval, &vm::o_callv,
&vm::o_callvi, &vm::o_callh,
&vm::o_callfv, &vm::o_callfh,
&vm::o_callb, &vm::o_slcbeg,
&vm::o_slcend, &vm::o_slc,
&vm::o_slc2, &vm::o_mcallg,
&vm::o_mcalll, &vm::o_mupval,
&vm::o_mcallv, &vm::o_mcallh,
&vm::o_ret
};
std::vector<nafunc> code;
for(auto& i:gen.codes())
@@ -1023,8 +1023,8 @@ void nasal_vm::run(
vmexit:
if(detail)
gc.info();
gc.clear();
ngc.info();
ngc.clear();
imm.clear();
return;