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author | Benoit Giannangeli <benoit.giannangeli@boursorama.fr> | 2017-02-03 15:18:55 +0100 |
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committer | Benoit Giannangeli <benoit.giannangeli@boursorama.fr> | 2017-02-03 15:18:55 +0100 |
commit | 2cf246d68c5e658eb6c36a00ac35c7862a54e90e (patch) | |
tree | ab9c4587af63b80093d866798383bd4ae6b98dca /src/lvm.js | |
parent | 90161c463fc8725d3d39b699dbf7e591874c47fb (diff) | |
download | fengari-2cf246d68c5e658eb6c36a00ac35c7862a54e90e.tar.gz fengari-2cf246d68c5e658eb6c36a00ac35c7862a54e90e.tar.bz2 fengari-2cf246d68c5e658eb6c36a00ac35c7862a54e90e.zip |
TValue
Diffstat (limited to 'src/lvm.js')
-rw-r--r-- | src/lvm.js | 131 |
1 files changed, 27 insertions, 104 deletions
@@ -4,6 +4,7 @@ const BytecodeParser = require("./lundump.js"); const OC = require('./lopcodes.js'); const CT = require('./lua.js').constant_types; +const TValue = require('./lobject.js').TValue; class LuaVM { @@ -33,22 +34,13 @@ class LuaVM { static tonumber(v) { if (v.type === CT.LUA_TNUMFLT) - return { - type: v.type, - value: v.value - }; + return new TValue(v.type, v.value); if (v.type === CT.LUA_TNUMINT) - return { - type: CT.LUA_TNUMFLT, - value: v.value - }; + return new TValue(CT.LUA_TNUMFLT, v.value); if (v.type === CT.LUA_TSHRSTR || v.type === CT.LUA_TLNGSTR) - return { - type: CT.LUA_TNUMFLT, - value: parseFloat(v.value) // TODO 0x or other exotic form - }; + return new TValue(CT.LUA_TNUMFLT, parseFloat(v.value)); // TODO 0x or other exotic form return false; } @@ -81,10 +73,7 @@ class LuaVM { break; } case "OP_LOADBOOL": { - L.stack[ra] = { - type: CT.LUA_TBOOLEAN, - value: i.B !== 0 - }; + L.stack[ra] = new TValue(CT.LUA_TBOOLEAN, i.B !== 0); if (i.C !== 0) ci.pcOff++; /* skip next instruction (if C) */ @@ -93,10 +82,7 @@ class LuaVM { } case "OP_LOADNIL": { for (let j = 0; j <= i.B; j++) - L.stack[ra + j] = { - type: CT.LUA_TNIL, - value: null - } + L.stack[ra + j] = new TValue(CT.LUA_TNIL, null); break; } case "OP_GETUPVAL": { @@ -130,15 +116,9 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: k[i.B].value + k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, k[i.B].value + k[i.C].value); } else if (numberop1 !== false && numberop2 !== false) { - L.stack[ra] = { - type: CT.LUA_TNUMFLT, - value: k[i.B].value + k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMFLT, k[i.B].value + k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -152,15 +132,9 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: k[i.B].value - k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, k[i.B].value - k[i.C].value); } else if (numberop1 !== false && numberop2 !== false) { - L.stack[ra] = { - type: CT.LUA_TNUMFLT, - value: k[i.B].value - k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMFLT, k[i.B].value - k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -174,15 +148,9 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: k[i.B].value * k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, k[i.B].value * k[i.C].value); } else if (numberop1 !== false && numberop2 !== false) { - L.stack[ra] = { - type: CT.LUA_TNUMFLT, - value: k[i.B].value * k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMFLT, k[i.B].value * k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -196,15 +164,9 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: k[i.B].value % k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, k[i.B].value % k[i.C].value); } else if (numberop1 !== false && numberop2 !== false) { - L.stack[ra] = { - type: CT.LUA_TNUMFLT, - value: k[i.B].value % k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMFLT, k[i.B].value % k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -218,10 +180,7 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (numberop1 !== false && numberop2 !== false) { - L.stack[ra] = { - type: CT.LUA_TNUMFLT, - value: Math.pow(k[i.B].value, k[i.C].value) - }; + L.stack[ra] = new TValue(CT.LUA_TNUMFLT, Math.pow(k[i.B].value, k[i.C].value)); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -235,10 +194,7 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (numberop1 !== false && numberop2 !== false) { - L.stack[ra] = { - type: CT.LUA_TNUMFLT, - value: k[i.B].value / k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMFLT, k[i.B].value / k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -252,15 +208,9 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: Math.floor(k[i.B].value / k[i.C].value) - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, Math.floor(k[i.B].value / k[i.C].value)); } else if (numberop1 !== false && numberop2 !== false) { - L.stack[ra] = { - type: CT.LUA_TNUMFLT, - value: Math.floor(k[i.B].value / k[i.C].value) - }; + L.stack[ra] = new TValue(CT.LUA_TNUMFLT, Math.floor(k[i.B].value / k[i.C].value)); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -274,10 +224,7 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: k[i.B].value & k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, k[i.B].value & k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -291,10 +238,7 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: k[i.B].value | k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, k[i.B].value | k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -308,10 +252,7 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: k[i.B].value ^ k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, k[i.B].value ^ k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -325,10 +266,7 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: k[i.B].value << k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, k[i.B].value << k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -342,10 +280,7 @@ class LuaVM { let numberop2 = LuaVM.tonumber(op2); if (op1.type === CT.LUA_TNUMINT && op2.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: k[i.B].value >> k[i.C].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, k[i.B].value >> k[i.C].value); } else { // Metamethod throw new Error(`Can't perform binary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -357,15 +292,9 @@ class LuaVM { let numberop = LuaVM.tonumber(op); if (op.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: -L.stack[this.RB(base, i)].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, -L.stack[this.RB(base, i)].value); } else if (numberop !== false) { - L.stack[ra] = { - type: CT.LUA_TNUMFLT, - value: -L.stack[this.RB(base, i)].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMFLT, -L.stack[this.RB(base, i)].value); } else { // Metamethod throw new Error(`Can't perform unary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -377,10 +306,7 @@ class LuaVM { let numberop = LuaVM.tonumber(op); if (op.type === CT.LUA_TNUMINT) { - L.stack[ra] = { - type: CT.LUA_TNUMINT, - value: ~L.stack[this.RB(base, i)].value - }; + L.stack[ra] = new TValue(CT.LUA_TNUMINT, ~L.stack[this.RB(base, i)].value); } else { // Metamethod throw new Error(`Can't perform unary operation on ${k[i.B].value} and ${k[i.C].value}`); @@ -389,10 +315,7 @@ class LuaVM { } case "OP_NOT": { let op = L.stack[this.RB(base, i)]; - L.stack[ra] = { - type: CT.LUA_TBOOLEAN, - value: !!((op.type === CT.LUA_TBOOLEAN && !op.value) || op.type === CT.LUA_TNIL) - } + L.stack[ra] = new TValue(CT.LUA_TBOOLEAN, !!((op.type === CT.LUA_TBOOLEAN && !op.value) || op.type === CT.LUA_TNIL)); break; } case "OP_LEN": { |