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Overview
Comment: | added evaluator.js to repo |
---|---|
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: | 53604aec06ed79e7157c4b2f0f099d0ab36d7d9f |
User & Date: | bill 2011-12-04 07:07:42 |
Context
2011-12-04
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07:11 | more expln check-in: eff3de1005 user: bill tags: trunk | |
07:07 | added evaluator.js to repo check-in: 53604aec06 user: bill tags: trunk | |
07:05 | Relatively complete IO Monad. check-in: 76a965e2a8 user: bill tags: trunk | |
Changes
Added evaluator.js.
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var def var output var result var showDebug = false var showSubs = true var showPretty = true var results = [] var docMsg = true var compilations = {} var collapseInitial = true var pendingIO = null function setShowDebug(state) { showDebug = state show() } function setShowSubs(state) { showSubs = state show() } function setShowPretty(state) { showPretty = state show() } function step(value) { if (pendingIO == null || pendingMonad != value) { pendingIO = [LC.getCommands(value), LC.getVal(value)] pendingMonad = value } pendingIO = LC.stepIO(pendingIO[0], pendingIO[1]) if (pendingIO.length == 1) pendingIO = null } function show() {document.getElementById("control").setAttribute("class", (showDebug ? "" : "hidedebug ") + (showSubs ? "showsubs " : "shownosubs ") + (showPretty ? "showpretty" : "shownopretty"))} function handleFiles(fileElement) { var files = fileElement.files var reader = new FileReader() reader.onerror = function(evt) { alert('error' + evt) } reader.onload = function() { LC.loadDefs(reader.result) displayOutput() displayResults(true) result.innerHTML = '' } reader.readAsText(files[0]) fileElement.value = null def.select() } function displayOutput() { var outputs = [] for (var index = 0; index < LC.order.length; index++) { var expr = LC.order[index] outputs.push("<div><button onclick='editFunc(\"" + expr.name + "\", \"" + expr.formatSlash(true).replace(/\\/g, '\\\\') + "\")'>Edit</button> <button onclick='runFunc(\"" + index + "\")'>Run</button><button onclick='runReduce(LC.order[" + index + "].expr)'>Reduce</button><button onclick='compileVM(LC.order[" + index + "].expr)'>VM</button> <b>" + (expr.name ? expr.name + ':' : '') + '</b> ' + expr.expr.format(false, true) + "</div>") } output.innerHTML = outputs.join('') output.lastChild.scrollIntoView() } function runFunc(index) { LC.runFunc(index) displayResults(results.length && docMsg) } function compileLLVM(id) { var comp = compilations[id] comp.defs = [] for (i in LC.defs) { comp.defs.push(LC.defs[i]) } results.push("<b>LLVM</b><pre>", VM.toLLVM(comp), "</pre>") displayResults(results.length && docMsg) } function runVm(id) { var comp = compilations[id] var result = VM.execute("EXPR", comp) results.push("<b>Execute:</b> ", comp.expr.format(false, true), " ⇒ ", comp.expr.globalSub().debruijn().dformat(), "<br>") if (!result.mp) { results.push("<b>Result:</b>", (typeof result.fp == 'object' ? "" : " [primitive] "), result.fp, "<br><br><span>.</span>") } else { if (typeof result.fp == 'object') { var compExpr = comp.addrs[result.fp[VM.CTX_ADDR]].expr var rexpr = compExpr instanceof LC.Variable ? compExpr : LC.hashed[compExpr.dformat()] results.push("<b><i>Attempt to use free variable ", rexpr, " as a function</i></b>") } } displayResults(results.length && docMsg) } function compileVM(expr) { var oldEx = expr expr = expr.globalSub().debruijn(true) // results.push("<b>Compile:</b> ", oldEx.format(false, true), " ⇒ ", expr.dformat(), " <button onclick='runVm(", expr.id, ")'>Run</button><table>") results.push("<b>Compile:</b> ", oldEx.format(false, true), " ⇒ ", expr.dformat(), " <button onclick='runVm(", expr.id, ")'>Run</button><button onclick='compileLLVM(", expr.id,")'>LLVM</button><table>") var comp = VM.gen(expr, true) compilations[expr.id] = comp comp.expr = oldEx for (var i = 0; i < comp.code.length; ) { var entry = comp.addrs[i] if (entry) { results.push("<tr style='vertical-align: bottom'><td><br><b>", entry.name, "</b></td><td>") } else { results.push("<tr><td></td><td>") } results.push(" <b>", i, "</b> </td><td>") switch(comp.code[i++]) { case VM.VAR_START: results.push("VAR_START") break; case VM.NEXT_VAR: results.push("NEXT_VAR") break; case VM.USE_CONTEXT: var id = comp.code[i++] var addr = comp.code[i++] var parent = comp.code[i++] var label = addr >= 0 ? comp.addrs[addr].name : "VAR(" + LC.lambdas[id].name + ")" var original = LC.lambdas[id] // results.push("USE_CONTEXT ", (original && original.name != '' && original.name) || ('L' + id), ", ", label, ", ", parent, ", ", comp.code[i++]) // results.push("USE_CONTEXT ", (original && original.name != '' && original.name) || ((original instanceof LC.Apply ? "A-" : "L-") + id), ", ", addr, ", ", parent, ", ", comp.code[i++]) results.push("USE_CONTEXT ", label, ", ", addr, ", ", parent, ", ", comp.code[i++] || 'null') break case VM.USE_VAR: results.push("USE_VAR ") break case VM.BIND_CONTEXT: var id = comp.code[i++] var addr = comp.code[i++] var parent = comp.code[i++] var label = addr >= 0 ? comp.addrs[addr].name : "VAR(" + LC.lambdas[id].name + ")" var original = LC.lambdas[id] // results.push("BIND_CONTEXT ", (original && original.name != '' && original.name) || ('L' + id), ", ", label, ", ", parent, ", ", comp.code[i++]) // results.push("BIND_CONTEXT ", (original && original.name != '' && original.name) || ('L' + id), ", ", addr, ", ", parent, ", ", comp.code[i++]) results.push("BIND_CONTEXT ", label, ", ", addr, ", ", parent, ", ", comp.code[i++] || 'null') break case VM.BIND_VAR: results.push("BIND_VAR ") break case VM.MEMO: results.push("MEMO") break case VM.RETURN: results.push("RETURN") break case VM.EXT_LAZY_VAR: results.push("EXT_LAZY_VAR") break case VM.EXT_STRICT_VAR: results.push("EXT_STRICT_VAR") break case VM.EXT_CALL: results.push("EXT_CALL ", comp.code[i++]) break case VM.USE_PRIM: results.push("USE_PRIM ", typeof comp.code[i] == 'string' ? "(String) " : "(int) ", comp.code[i++]) break case VM.BIND_PRIM: results.push("BIND_PRIM ", typeof comp.code[i] == 'string' ? "(String) " : "(int) ", comp.code[i++]) break } results.push("</td></tr>") } results.push("</table><br><span>.</span>") displayResults(results.length && docMsg) } function resultCode(expr, res, index) { var prettyExpr = LC.pretty(expr) var subs = expr.format() var nosubs = expr.format(false, true) var lam = res.lambda var prettyRes = res if (lam) { prettyRes = "<span class='subs pretty'>" + LC.pretty(res) + "</span><span class='subs nopretty'>" + lam.format() + "</span><span class='nosubs nopretty'>" + lam.format(false, true) + "</span>" } results.push("<div><b><span class='dollar'>$: </span>$", index, ":</b> <button onclick='editResult(\"" + subs.replace(/\\|λ/g, '\\\\') + "\")'>Edit</button><button onclick='runReduce(LC.historyExprs[", index, "])'>Reduce</button><button onclick='compileVM(LC.historyExprs[" + index + "])'>VM</button>", (LC.isIOMonad(res) ? "<button onclick='step(LC.history["+index+"])'>Step</button>" : ""), "<span class='subs pretty'>", prettyExpr, "</span>", "<span class='subs nopretty'>", subs, "</span><span class='nosubs nopretty'>", nosubs, "</span> ⇒ ", prettyRes, "<br><br></div>") } function formatExpr(label, expr) { results.push("<div><b>" + label + ":</b> " + formatSubexpr(expr) + "</div>") } function formatSubexpr(expr) { return "<span class='subs pretty'>" + expr.pretty() + "</span><span class='subs nopretty'>" + expr.format() + "</span><span class='nosubs nopretty'>" + expr.format(false, true) + "</span>" } function runReduce(expr) { var last formatExpr(" <a style='border: solid black 1px;font-family: monospace' onclick='toggleSteps(this)'>+</a> Reduce", expr, result) results.push("<div ", collapseInitial ? "class='hidden'" : "","></div>") if (results.length && docMsg) { docMsg = false result.innerHTML = '' } displayResults(results.length && docMsg) last = expr = expr.globalSub() var trace = result.lastElementChild formatExpr("Globals", expr) try { var success = LC.reduce(expr, function(exp) {formatExpr("Eta", last = exp)}, function(exp) {formatExpr("Alpha", last = exp)}, function(exp) {formatExpr("Beta", last = exp)} ) trace.innerHTML += results.join('') results = [] trace.previousElementSibling.innerHTML += " ⇒ " + (success ? formatSubexpr(last) : '<br><b>...</b>') } catch (err) { trace.previousElementSibling.innerHTML += " ⇒ " + '<b style="color: red">' + err + '</b>' } results.push("<br>") displayResults(results.length && docMsg) result.lastElementChild.scrollIntoView() } function runDeBruijn(expr) { var depth = 0 var deb = expr.transform2({ apply: function(funcF, argF) { var d = depth var func = funcF(this.func) var max = depth depth = d var arg = argF(this.arg) depth = max > depth ? max : depth return [func, arg] }, lambda: function(lvarF, bodyF) { var newV = new LC.Variable("duh") var lvar = lvarF(newV) var body = bodyF(this.body) newV.name = String(depth) depth++ return [lvar, body] }, }) results.push(expr.format(false), ', DeBruijn: <b>', deb.format(false, true), '</b><br>') displayResults(results.length && docMsg) } function toggleSteps(link) { var div = link.parentElement.parentElement.nextElementSibling if (div.className) { div.className = '' link.innerHTML = '+' } else { div.className = 'hidden' link.innerHTML = '-' } } function loaded() { LC.resultCode = resultCode def = document.getElementById("def") output = document.getElementById("output") code = document.getElementById("code") result = document.getElementById("result") LC.loadDefs(document.getElementById("initialDefs").innerHTML) displayOutput() displayResults() def.select() } function displayResults(clear) { if (results.length) { if (clear) { docMsg = false result.innerHTML = '' } result.innerHTML += results.join('') results = [] result.lastElementChild.scrollIntoView() } } function input(event) { if (event.charCode == 13) { if (LC.evalLine(def.value)) { displayOutput() } displayResults(results.length && docMsg) def.value = '' } } function editFunc(name, expr) { def.value = name + ' = ' + expr def.select() } function editResult(str) { def.value = str def.select() } function puts(x) { if (x instanceof Array) x = VM.getExpr(x) alert('MESSAGE: ' + LC.pretty(x.lambda)) return x } function putsl(x) { if (x instanceof Array) { alert('MESSAGE: ' + LC.pretty(VM.getExpr(x).original)) return x } else { alert('MESSAGE: ' + LC.pretty(x().lambda)) return x() } } function plus() { var tot = 0 // this was for when unbound value were represented by functions // for (var i = 0; i < arguments.length; i++) tot += arguments[i].value for (var i = 0; i < arguments.length; i++) tot += arguments[i] return tot } VM.addFunc(puts) VM.addFunc(putsl) |