comparison: lvm.js
lvm.js
- changeset 10
- ce2f27fa25a4
- parent 9
- 3f055c9ab80e
- child 11
- 1b3267149cbd
equal
deleted
inserted
replaced
| 9:3f055c9ab80e | 10:ce2f27fa25a4 |
|---|---|
| 198 sys.puts("STACK: "+JSON.stringify(this.frame.reg)); | 198 sys.puts("STACK: "+JSON.stringify(this.frame.reg)); |
| 199 } | 199 } |
| 200 switch(INS_OPCODE(instruction)) | 200 switch(INS_OPCODE(instruction)) |
| 201 { | 201 { |
| 202 case OP_MOVE: | 202 case OP_MOVE: |
| 203 this.frame.reg[instruction[1]] = this.frame.reg[instruction[2]]; | 203 this.frame.reg[INS_A(instruction)] = this.frame.reg[INS_B(instruction)]; |
| 204 break; | 204 break; |
| 205 case OP_LOADNIL: | 205 case OP_LOADNIL: |
| 206 for(var i = instruction[1];i<=instruction[2];i++) | 206 for(var i = INS_A(instruction);i<=INS_B(instruction);i++) |
| 207 this.frame.reg[i] = new LValue("nil", null); | 207 this.frame.reg[i] = new LValue("nil", null); |
| 208 break; | 208 break; |
| 209 case OP_GETGLOBAL: | 209 case OP_GETGLOBAL: |
| 210 var name = this.frame.f.constants[instruction[2]]; | 210 var name = this.frame.f.constants[INS_Bx(instruction)]; |
| 211 this.frame.reg[instruction[1]] = this.frame.f.environment.index(name); | 211 this.frame.reg[INS_A(instruction)] = this.frame.f.environment.index(name); |
| 212 break; | 212 break; |
| 213 case OP_SETGLOBAL: | 213 case OP_SETGLOBAL: |
| 214 var name = this.frame.f.constants[instruction[2]]; | 214 var name = this.frame.f.constants[INS_Bx(instruction)]; |
| 215 this.frame.f.environment.setIndex(name, this.frame.reg[instruction[1]]); | 215 this.frame.f.environment.setIndex(name, this.frame.reg[instruction[1]]); |
| 216 break; | 216 break; |
| 217 case OP_LOADK: | 217 case OP_LOADK: |
| 218 var value = this.frame.f.constants[instruction[2]]; | 218 var value = this.frame.f.constants[INS_Bx(instruction)]; |
| 219 this.frame.reg[instruction[1]] = value; | 219 this.frame.reg[INS_A(instruction)] = value; |
| 220 break; | 220 break; |
| 221 case OP_CALL: | 221 case OP_CALL: |
| 222 var f = this.frame.reg[instruction[1]].call(); // return JS or LValue | 222 var f = this.frame.reg[INS_A(instruction)].call(); // return JS or LValue |
| 223 var args = this.frame.reg.splice(instruction[1]+1, instruction[1]+(instruction[2]-1)); | 223 var args = this.frame.reg.slice(INS_A(instruction)+1, INS_A(instruction)+(INS_B(instruction))); |
| 224 if(typeof(f) == "function") | 224 if(typeof(f) == "function") |
| 225 { | 225 { |
| 226 // JS native function | 226 // JS native function |
| 227 var ret = f.apply(null, args.map(function (a) { return a.value; })); | 227 var ret = f.apply(null, args.map(function (a) { return a.value; })); |
| 228 } | 228 } |
