diff options
Diffstat (limited to 'new-luxc/source/luxc/lang/translation')
| -rw-r--r-- | new-luxc/source/luxc/lang/translation/js/runtime.jvm.lux | 418 |
1 files changed, 77 insertions, 341 deletions
diff --git a/new-luxc/source/luxc/lang/translation/js/runtime.jvm.lux b/new-luxc/source/luxc/lang/translation/js/runtime.jvm.lux index f002ccd1f..21aa8f983 100644 --- a/new-luxc/source/luxc/lang/translation/js/runtime.jvm.lux +++ b/new-luxc/source/luxc/lang/translation/js/runtime.jvm.lux @@ -585,359 +585,95 @@ __int//%)) (runtime: nat//< "ltN64" - (format "(function " @ "(l,r) {" - "var li = " int//+ "(l," int//min ");" - "var ri = " int//+ "(r," int//min ");" - "return " int//< "(li,ri);" - "})")) - -(runtime: nat//div-word "divWord" - (format "(function " @ "(result, n, d) {" - "var dLong = " int//new "(0,d);" - (format "if (" int//= "(dLong," int//one ")) {" - (format "result[0] = n.L;" - "result[1] = 0;" - "return") - "}" - "else {" - ## Approximate the quotient and remainder - (format "var q = " int/// "(" bit//shift-right "(n,1)," bit//shift-right "(dLong,1));" - "var r = " int//- "(n," int//* "(q,dLong));" - ## Correct the approximation - (format "while(" int//< "(r," int//zero ")) {" - "r = " int//+ "(r,dLong);" - "q = " int//- "(q," int//one ");" - "}") - (format "while(" int//< "(dLong,r) || " int//= "(dLong,r)) {" - "r = " int//- "(r,dLong);" - "q = " int//+ "(q," int//one ");" - "}") - "result[0] = q.L;" - "result[1] = r.L;" - ) - "}") - "})")) - -(runtime: nat//shift-left|primitive "primitiveShiftLeftBigInt" - (format "(function " @ "(input,shift) {" - "var output = input.slice();" - "var shift2 = 32 - shift;" - (format "for(var i = 0, c = output[i], m = (i + (input.length - 1)); i < m; i++) {" - "var b = c;" - "c = output[i+1];" - "output[i] = (b << shift) | (c >>> shift2);" - "}") - "output[(input.length - 1)] <<= shift;" - "return output;" - "})")) - -(runtime: nat//shift-right|primitive "primitiveShiftRightBigInt" - (format "(function " @ "(input,shift) {" - "var output = input.slice();" - "var shift2 = 32 - shift;" - (format "for(var i = (input.length - 1), c = output[i]; i > 0; i--) {" - "var b = c;" - "c = output[i-1];" - "output[i] = (c << shift2) | (b >>> shift);" - "}") - "output[0] >>>= shift;" - "return output;" - "})")) - -(runtime: nat//shift-left "shiftLeftBigInt" - (format "(function " @ "(input,shift) {" - "var shiftInts = shift >>> 5;" - "var shiftBits = shift & 0x1F;" - "var bitsInHighWord = " bit//count "(" int//new "(input[0],0));" - (format "if(shift <= (32 - bitsInHighWord)) {" - "var shifted = " bit//shift-left "(" int//new "(input[0],input[1]),shiftBits);" - "return [shifted.H,shifted.L];" - "}") - "var inputLen = input[0] === 0 ? 1 : 2;" - "var newLen = inputLen + shiftInts + 1;" - (format "if(shiftBits <= (32 - bitsInHighWord)) {" - "newLen--;" - "}") - (format "if(input.length < newLen) {" - ## The array must grow - "input = [0|0,input[0],input[1]];" - "}") - (format "if(nBits == 0) {" - "return input;" - "}") - (format "if(shiftBits <= (32 - bitsInHighWord)) {" - "return " nat//shift-left|primitive "(input,shiftBits);" - "}" - "else {" - "return " nat//shift-right|primitive "(input,(32 - shiftBits));" - "}") - "})")) - -(runtime: nat//shift-right "shiftRightBigInt" - (format "(function " @ "(input,shift) {" - "var shiftInts = shift >>> 5;" - "var shiftBits = shift & 0x1F;" - "if(shiftBits === 0) { return input; }" - "var bitsInHighWord = " bit//count "(" int//new "(input[0],0));" - (format "if(shiftBits >= bitsInHighWord) {" - "return " nat//shift-left|primitive "(input,(32-shiftBits));" - "}" - "else {" - "return " nat//shift-right|primitive "(input,shiftBits);" - "}") - "})")) + (let [high (function [i64] (format "(" i64 "." //.int-high-field ")")) + low (function [i64] (format "(" i64 "." //.int-low-field ")")) + i32 (function [word] (format "(" word " >>> 0)"))] + (js.function @ (list "subject" "parameter") + (list (js.return! (js.or (js.> (i32 (high "subject")) + (i32 (high "parameter"))) + (js.and (js.= (high "subject") + (high "parameter")) + (js.> (i32 (low "subject")) + (i32 (low "parameter")))))))))) + +(def: (<N param subject) + (-> Expression Expression Expression) + (js.apply nat//< (list subject param))) -(runtime: nat//mul-sub "mulsubBigInt" - (format "(function " @ "(q, a, x, len, offset) {" - "var xLong = " int//new "(0,x);" - "var carry = " int//zero ";" - "offset += len;" - (format "for (var j = len-1; j >= 0; j--) {" - "var product = " int//+ "(" int//* "(" int//new "(0,a[j]),xLong),carry);" - "var difference = " int//- "(" int//new "(0,q[offset]),product);" - "carry = " int//+ "(" bit//shift-right "(product,32),((difference.L > ~product.L) ? " int//one " : " int//zero "));" - "}") - "return carry.L;" - "})")) +(def: (<=N param subject) + (-> Expression Expression Expression) + (js.or (js.apply nat//< (list subject param)) + (js.apply int//= (list subject param)))) -(runtime: nat//div-add "divadd" - (format "(function " @ "(a, result, offset) {" - "var carry = " int//zero ";" - (format "for (var j = a.length - 1; j >= 0; j--) {" - "var sum = " int//+ "(" int//+ "(" int//new "(0,a[j])," int//new "(0,result[j+offset])),carry);" - "result[j+offset] = sum.L;" - "carry = " bit//shift-right "(sum,32);" - "}") - "return carry.L;" - "})")) +(def: (>N param subject) + (-> Expression Expression Expression) + (js.apply nat//< (list param subject))) -(runtime: nat//normalize "normalizeBigInt" - (format "(function " @ "(input) {" - (format "if(input[0] !== 0) {" - "return " int//new "(input[0],input[1]);" - "}" - "else {" - (format "var numZeros = 0;" - (format "do {" - "numZeros++;" - "} while(numZeros < input.length && input[numZeros] == 0);") - "var tempInput = input.slice(input.length-Math.max(2,input.length-numZeros));" - "return " int//new "(tempInput[0],tempInput[1]);") - "}") - "})")) +(def: (>=N param subject) + (-> Expression Expression Expression) + (js.or (js.apply nat//< (list param subject)) + (js.apply int//= (list subject param)))) -(runtime: nat//divide-one-word "divideOneWord" - (format "(function " @ "(subject,param) {" - (format "var divLong = " int//new "(0,param);" - ## Special case of one word dividend - (format "if(subject.H === 0) {" - (format "var remValue = " int//new "(0,subject.L);" - "var quotient = " int/// "(remValue,divLong);" - "var remainder = " int//- "(remValue," int//* "(quotient.L,divLong));" - "return [quotient,remainder];") - "}") - "var quotient = [0|0,0|0];" - ## Normalize the divisor - "var shift = 32 - " bit//count "(" int//new "(0,param));" - "var rem = subject.H;" - "var remLong = " int//new "(0,rem);" - (format "if(" int//< "(remLong,divLong)) {" - "quotient[0] = 0|0;" - "}" - "else {" - "quotient[0] = " int/// "(remLong,divLong).L;" - "rem = " int//- "(remLong," int//* "(quotient[0],divLong)).L;" - "remLong = " int//new "(0,rem);" - "}") - "var remBI = [subject.H,subject.L];" - "var xlen = 2;" - "var qWord = [0|0,0|0];" - (format "while(--xlen > 0) {" - "var dividendEstimate = " bit//or "(" bit//shift-left "(remLong,32)," int//new "(0,remBI[2 - xlen]));" - (format "if(dividendEstimate >= 0) {" - "var highWord = " int/// "(dividendEstimate,divLong);" - "qWord[0] = highWord.L;" - "qWord[1] = " int//- "(dividendEstimate," int//* "(highWord,divLong)).L;" - "}" - "else {" - "" nat//div-word "(qWord, dividendEstimate, param);" - "}") - "quotient[2 - xlen] = qWord[0];" - "rem = qWord[1];" - "remLong = " int//new "(0,rem);" - "}") - ## Unnormalize - (format "if(shift > 0) {" - "rem %= divisor;" - "remBI[0] = rem;" - "}" - "else {" - "remBI[0] = rem;" - "}") - "var quotI64 = " nat//normalize "(quotient);" - "var remI64 = " int//new "(remBI[0],remBI[1]);" - "return [quotI64,remI64];") - "})")) +(runtime: nat/// "divN64" + (let [negative? (function [value] + (js.apply int//< (list value int//zero))) + valid-division-check [(=I int//zero "parameter") + (js.throw! (js.string "Cannot divide by zero!"))] + short-circuit-check [(=I int//zero "subject") + (js.return! int//zero)]] + (js.function @ (list "subject" "parameter") + (list (js.cond! (list valid-division-check + short-circuit-check -(runtime: nat//div-mod "divmodBigInt" - (format "(function " @ "(subject,param) {" - (format "if(" int//= "(param," int//zero ")) {" - "throw new Error('Cannot divide by zero!');" - "}") - (format "if(" int//= "(subject," int//zero ")) {" - "return [" int//zero ", " int//zero "];" - "}") - (format "if(" nat//< "(subject,param)) {" - "return [" int//zero ", subject];" - "}") - (format "if(" int//= "(subject,param)) {" - "return [" int//one ", " int//zero "];" - "}") - ##################################### - (format "if (param.H === 0) {" - "return " nat//divide-one-word "(subject,param.L);" - "}") - ##################################### - "var divisor = param;" - "var remainder = subject.H === 0 ? [0|0,subject.L] : [0|0,subject.H,subject.L];" - "var paramLength = param.H === 0 ? 1 : 2;" - "var subjLength = subject.H === 0 ? 1 : 2;" - "var limit = subjLength - paramLength + 1;" - "var quotient = (limit === 1) ? [0|0] : [0|0,0|0];" - ## Normalize the divisor - "var shift = 32 - " bit//count "(" int//new "(divisor.H,0));" - (format "if(shift > 0) {" - "divisor = " bit//shift-left "(divisor,shift);" - "remainder = " nat//shift-left "(remainder,shift);" - "}") - (format "if((remainder.length-1) === subjLength) {" - "remainder[0] = 0;" - "}") - "var dh = divisor.H;" - "var dhLong = " int//new "(0,dh);" - "var dl = divisor.L;" - "var qWord = [0|0,0|0];" - ## D2 Initialize j - (format "for(var j = 0; j < limit; j++) {" - ## D3 Calculate qhat - ## estimate qhat - "var qhat = 0;" - "var qrem = 0;" - "var skipCorrection = false;" - "var nh = remainder[j];" - "var nh2 = nh + 0x80000000;" - "var nm = remainder[j+1];" - (format "if(nh == dh) {" - (format "qhat = ~0;" - "qrem = nh + nm;" - "skipCorrection = (qrem + 0x80000000) < nh2;") - "}" - "else {" - (format "var nChunk = " bit//or "(" bit//shift-left "(" int//from-number "(nh),32)," int//from-number "(nm));") - (format "if(" int//< "(" int//zero ",nChunk) || " int//= "(" int//zero ",nChunk)) {" - (format "qhat = " int/// "(nChunk,dhLong).L;" - "qrem = " int//- "(nChunk," int//* "(qhat, dhLong)).L;") - "}" - "else {" - (format "" nat//div-word "(qWord, nChunk, dh);" - "qhat = qWord[0];" - "qrem = qWord[1];" - ) - "}") - "if(qhat == 0) { continue; }" - (format "if(!skipCorrection) {" - ## Correct qhat - (format "var qremLong = " int//new "(0,qrem);" - "var dlLong = " int//new "(0,dl);" - "var nl = " int//new "(0,remainder[j+2]);" - "var rs = " bit//or "(" bit//shift-left "(qremLong,32),nl);" - "var estProduct = " int//* "(dlLong," int//new "(0,qhat));" - (format "if(" nat//< "(rs,estProduct)) {" - (format "qhat--;" - "qrem = " int//+ "(qremLong,dhLong).L;" - "qremLong = " int//new "(0,qrem);" - (format "if(" int//< "(dhLong,qremLong) || " int//= "(dhLong,qremLong)) {" - (format "estProduct = " int//* "(dlLong," int//new "(0,qhat));" - "rs = " bit//or "(" bit//shift-left "(qremLong,32),nl);" - "if(" nat//< "(rs,estProduct)) { qhat--; }") - "}")) - "}") - ) - "}") - ## D4 Multiply and subtract - "remainder[j] = 0;" - "var borrow = " nat//mul-sub "(remainder, divisor, qhat, paramLength, j);" - ## D5 Test remainder - (format "if((borrow + 0x80000000) > nh2) {" - ## D6 Add back - nat//div-add "(divisor, remainder, j+1);" - "qhat--;" - "}") - ## Store the quotient digit - "quotient[j] = qhat;" - "}") - "}") ## D7 loop on j - ## D8 Unnormalize - "if(shift > 0) { remainder = " nat//shift-right "(remainder,shift); }" - "return [" nat//normalize "(quotient), " nat//normalize "(remainder)];" - "})")) + [(>N "subject" "parameter") + (js.return! int//zero)] -(runtime: nat/// "divN64" - (format "(function " @ "(l,r) {" - (format "if(" int//< "(r," int//zero ")) {" - (format "if(" nat//< "(l,r)) {" - "return " int//zero ";" - "}" - "else {" - "return " int//one ";" - "}") - "}" - "else if(" int//< "(" int//zero ",l)) {" - "return " int/// "(l,r);" - "}" - "else {" - (format "if(" int//= "(" int//zero ",r)) {" - "throw new Error('Cannot divide by zero!');" - "}" - "else {" - (format "if(" int//< "(l,r)) {" - "return " int//zero ";" - "}" - "else {" - "return " nat//div-mod "(l,r)[0];" - "}") - "}") - "}") - "})")) + [(>N (js.apply bit//shift-right + (list "subject" (js.number 1.0))) + "parameter") + (js.return! int//one)]) + (js.block! (list (js.var! "result" (#.Some int//zero)) + (js.var! "remainder" (#.Some "subject")) + (js.while! (>=N "parameter" "remainder") + (let [rough-estimate (js.apply "Math.floor" (list (js./ (js.apply int//to-number (list "parameter")) + (js.apply int//to-number (list "remainder"))))) + log2 (js./ "Math.LN2" + (js.apply "Math.log" (list "approximate"))) + approx-result (js.apply int//from-number (list "approximate")) + approx-remainder (js.apply int//* (list "approximate_result" "parameter"))] + (list (js.var! "approximate" (#.Some (js.apply "Math.max" (list (js.number 1.0) + rough-estimate)))) + (js.var! "log2" (#.Some (js.apply "Math.ceil" (list log2)))) + (js.var! "delta" (#.Some (js.? (js.<= (js.number 48.0) "log2") + (js.number 1.0) + (js.apply "Math.pow" (list (js.number 2.0) + (js.- (js.number 48.0) + "log2")))))) + (js.var! "approximate_result" (#.Some approx-result)) + (js.var! "approximate_remainder" (#.Some approx-remainder)) + (js.while! (js.or (negative? "approximate_remainder") + (>N "remainder" + "approximate_remainder")) + (list (js.set! "approximate" (js.- "delta" "approximate")) + (js.set! "approximate_result" approx-result) + (js.set! "approximate_remainder" approx-remainder))) + (js.block! (list (js.set! "result" (js.apply int//+ (list "result" + (js.? (=I int//zero "approximate_result") + int//one + "approximate_result")))) + (js.set! "remainder" (js.apply int//- (list "remainder" "approximate_remainder")))))))) + (js.return! "result"))) + ))))) (runtime: nat//% "remN64" - (format "(function " @ "(l,r) {" - (format "if(" int//< "(l," int//zero ") || " int//< "(r," int//zero ")) {" - (format "if(" nat//< "(l,r)) {" - "return l;" - "}" - "else {" - "return " nat//div-mod "(l,r)[1];" - "}") - "}" - "else {" - "return " int//% "(l,r);" - "}") - "})")) + (js.function @ (list "subject" "parameter") + (list (let [flat (js.apply int//* (list (js.apply nat/// (list "subject" "parameter")) + "parameter"))] + (js.return! (js.apply int//- (list "subject" flat))))))) (def: runtime//nat Runtime (format __nat//< - __nat//div-word - __nat//shift-left|primitive - __nat//shift-right|primitive - __nat//shift-left - __nat//shift-right - __nat//mul-sub - __nat//div-add - __nat//normalize - __nat//divide-one-word - __nat//div-mod __nat/// __nat//%)) |