Lambda Calculus
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 ```47 48 49 50 51 52 53 54 55 56 57 58 59 60 .. 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 .. 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 ... 145 146 147 148 149 150 151 152 153 154 155 156 157 158 ... 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 ... 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 ... 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 ``` ```t0 = _lit bubba t1 = _ref bubba t2 = _lambda \x ._lit hello t3 = _lambda \x . _lit true t4 = _lambda \x . _ref x t5 = _lambda \x . _lambda \y . _ref x t6 = _lambda \x . _lambda \y . _ref y tlit = _lambda \x . _name lit (_lambda \f . _apply (_ref f) (_ref x)) tref = _lambda \x . _name ref (_lambda \f . _apply (_ref f) (_ref x)) tlambda = _lambda \f . _name lambda (_lambda \g . _lambda \v . _apply (_ref g) (_apply (_ref f) (_ref v))) tapply = _lambda \func . _lambda \arg . _name apply (_lambda \f . _apply (_apply (_ref f) (_ref func)) (_ref arg)) tprim = _lambda \arg . _lambda \rest . _name prim (_lambda \f . _apply (_apply (_ref f) (_ref arg)) (_ref rest)) tname = _lambda \nm . _lambda \ast . _name name (_lambda \f . _apply (_apply (_ref f) (_ref nm)) (_ref ast)) */}) ................................................................................ var _refId var _litId var _lambdaId var _applyId var _primId var _nameId function isRef(f) {return f.lambda.id == _refId} function isLit(f) {return f.lambda.id == _litId} function isLambda(f) {return f.lambda.id == _lambdaId} function isApply(f) {return f.lambda.id == _applyId} function isPrim(f) {return f.lambda.id == _primId} function isName(f) {return f.lambda.id == _nameId} function astType(f) { ................................................................................ case _applyId: return 'apply' case _primId: return 'prim' case _nameId: return 'name' } } function resolve(v){return typeof v == 'function' ? v() : v} function first(){return function(a) {return a}} function second(){return function(a) {return function(b){return b}}} function astPrint(ast, res) { var isFirst = !res res = res || [] if (isFirst) res.gen = 0 switch (ast.lambda && ast.lambda.id) { case _nameId: res.push('name ', ast(first), ' (') astPrint(ast(second)(), res) res.push(')') break case _refId: res.push('ref ') var val = ast(first)() res.push(val.lambda ? "WHA?" : val) break case _litId: res.push('lit ') var val = ast(first)() res.push(val.lambda ? "{" + val.lambda.toString() + "}" : val) break case _lambdaId: var v = "VAR" + res.gen++ var vf = function(){return v} res.push('lambda ') res.push(v) res.push(' . ') astPrint(resolve(ast(first)(vf)), res) break case _applyId: res.push('apply (') astPrint(ast(first), res) res.push(') (') astPrint(ast(second)(), res) res.push(')') break case _primId: res.push('prim ') astPrint(ast(first), res) break default: res.push("WHA???") break } return isFirst && res.join('') } ................................................................................ } /** A context is program scope */ function createContext() { var ctx = (function(){ function id(func, id) { func.context = C func.id = id return func } function nameAst(nm, ast) { ................................................................................ if (!ast.id) { C.astsById.push(ast) ast.id = C.astsById.length } return ast } var C = { astsById: [], astsByName: {}, addAst: addAst, id: id, nameAst: nameAst, eval: function(str){return eval(str)}, subcontext: function(){return function(str){return eval(str)}}, } return C })() ctx.funcId = 0 return ctx } var CTX = createContext() function dgen(ast) {return gen(ast, null, null, true)} function gen(ast, res, ctx, deref, prim, cont) { var isFirst = !res res = res || [] ctx = ctx || CTX.subcontext() ctx.curLit = 0 if (isFirst) ctx.gen = 0 CTX.addAst(ast) switch (ast.lambda && ast.lambda.id) { case _nameId: var nm = ast(first) var a = ast(second) CTX.nameAst(nm, a) gen(a(), res, ctx) break case _refId: var val = ast(first)() if (val.lambda) throw new Error("attempt to use lambda as a variable") res.push(val) if (deref) res.push("()") break case _litId: var lit = "lit" + ctx.curLit++ ctx("var " + lit) ctx("(function(v){" + lit + " = v})")(ast(first)()) res.push(lit) if (deref) res.push("()") break case _lambdaId: var v = "VAR" + ctx.gen++ var vf = function(){return v} if (!deref) res.push("(function(){return ") res.push("id(function(" + v + "){return ") gen(resolve(ast(first)(vf)), res, ctx) res.push("}, " + ast.id + ")") if (!deref) res.push("})") break case _applyId: var func = ast(first) var arg = ast(second)() if (!deref) res.push("(function(){return ") gen(func, res, ctx, true) res.push("(") gen(arg, res, ctx) res.push(")") if (!deref) res.push("})") break case _primId: var arg = ast(first) var rest = ast(rest) if (prim) { if (cont) { res.push(", ") } gen(arg, res, ctx, false, true, true, true) } else { if (!deref) res.push("(function(){return ") gen(arg, res, ctx, true, false) res.push("(") gen(rest, res, ctx, true, false, true) res.push(")") if (!deref) res.push("})") } break default: res.push("'WHA???'") break } return isFirst && [res.join(''), ctx] ................................................................................ return id(function(_ast) { return id(function(_f) { return _f()(_nm)(_ast) }, _nameId) }, -4) } function compile(str) { } /* console.log("_lambdaId: " + _lambdaId) console.log("t1: " + LC.L._t1()) console.log("t1.id: " + LC.L._t1().lambda.id) console.log("t1: " + astPrint(LC.L._t1())) console.log("t2: " + LC.L._t2()) console.log("t2 lambda: " + LC.L._t2().lambda) console.log("t2 id: " + LC.L._t2().lambda.id) console.log("t2 type: " + astType(LC.L._t2())) console.log("t2 var: " + LC.L._t2()(first)) console.log("t2 body: " + LC.L._t2()(second)().lambda) console.log("t2: " + astPrint(LC.L._t2())) console.log("t3: " + astPrint(LC.L._t3())) */ console.log("t4: " + astPrint(LC.L._t4())) /* console.log("t5: " + astPrint(LC.L._t5())) console.log("t6: " + astPrint(LC.L._t6())) ................................................................................ console.log("tname: " + dgen(LC.L._tname())[0]) console.log("tlit: " + LC.L.__lit()) console.log("tref: " + LC.L.__ref()) console.log("tlambda: " + LC.L.__lambda()) console.log("tapply: " + LC.L.__apply()) console.log("tprim: " + LC.L.__apply()) console.log("tname: " + LC.L.__name()) */ /* console.log("REF ID: " + (ref("duh")()).id) console.log("REF TEST: " + astPrint(ref("duh")())) console.log("REF GEN: " + dgen(ref("duh")())[0]) */ console.log("T4 AST: " + astPrint(wlambda(function(x){return ref(x)}))) console.log("T4 gen: " + dgen(wlambda(function(x){return ref(x)}))[0]) // TODO: compile AST funcs directly and include the JS source here // for self hosting })() ``` ``` > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | > > > > > | > > > > > > > > > | | | | | < | | | | > > > > > > | > > > < < > > > > > > > > > > > > > > > > > > > | > > > > > > > > > > > > > > > | | | | | | | < > | | | | | | | | > > | > < < > > > | > < > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | > | > > | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | < < > | | > > > > > > > > > > > > > > > ``` ```47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 .. 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 ... 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 ... 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 ... 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 ... 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 ... 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 ``` ```t0 = _lit bubba t1 = _ref bubba t2 = _lambda \x ._lit hello t3 = _lambda \x . _lit true t4 = _lambda \x . _ref x t5 = _lambda \x . _lambda \y . _ref x t6 = _lambda \x . _lambda \y . _ref y t7 = _lambda \x . _lambda \y . _lambda \z . _apply (_ref x) (_apply (_ref y) (_ref z)) t77 = \x y z. x (y z) tlit = _lambda \x . _name lit (_lambda \f . _apply (_ref f) (_ref x)) tref = _lambda \x . _name ref (_lambda \f . _apply (_ref f) (_ref x)) tlambda = _lambda \f . _name lambda (_lambda \g . _lambda \v . _apply (_ref g) (_apply (_ref f) (_ref v))) tapply = _lambda \func . _lambda \arg . _name apply (_lambda \f . _apply (_apply (_ref f) (_ref func)) (_ref arg)) tprim = _lambda \arg . _lambda \rest . _name prim (_lambda \f . _apply (_apply (_ref f) (_ref arg)) (_ref rest)) tname = _lambda \nm . _lambda \ast . _name name (_lambda \f . _apply (_apply (_ref f) (_ref nm)) (_ref ast)) */}) ................................................................................ var _refId var _litId var _lambdaId var _applyId var _primId var _nameId var tokenPat = null var specials = '[]().*+?|' var tokenDefPat = /^ *([^ ]+) *(=[.)]=|=\([^=]+=|=)(?:[^=])/ var numberPat = /^[0-9]+(\.[0-9]+)?|([0-9]+)?\.[0-9]+/ var order = [] var warnFreeVariable = [] var charCodes = { "'": '\$a', ',': '\$b', '\$': '\$c', '@': '\$d', '?': '\$e', '/': '\$f', '*': '\$g', '&': '\$h', '^': '\$i', '!': '\$k', '`': '\$l', '~': '\$m', '-': '\$n', '+': '\$o', '=': '\$p', '|': '\$q', '[': '\$r', ']': '\$s', '{': '\$t', '}': '\$u', '"': '\$v', ':': '\$w', ';': '\$x', '<': '\$y', '>': '\$z', '%': '\$A', } var codeChars = {} for (i in charCodes) { codeChars[charCodes[i].substring(1)] = i } function isRef(f) {return f.lambda.id == _refId} function isLit(f) {return f.lambda.id == _litId} function isLambda(f) {return f.lambda.id == _lambdaId} function isApply(f) {return f.lambda.id == _applyId} function isPrim(f) {return f.lambda.id == _primId} function isName(f) {return f.lambda.id == _nameId} function astType(f) { ................................................................................ case _applyId: return 'apply' case _primId: return 'prim' case _nameId: return 'name' } } function resolve(v){return typeof v == 'function' ? v() : v} function first(){return function(a) {return a}} function second(){return function(a) {return function(b){return b()}}} function getNameNm(n) {return n(first)} function getNameAst(n) {return n(second)} function getRefVar(r) {return r(first)()} function getLitVal(l) {return l(first)()} function getLambdaBody(l, varName) {return resolve(l(first)(laz(varName)))} function getApplyFunc(a) {return a(first)} function getApplyArg(a) {return a(second)} function getPrimArg(p) {return p(first)} function getPrimRest(p) {return p(second)} function astPrint(ast, res) { var isFirst = !res res = res || [] if (isFirst) res.gen = 0 switch (ast.id || (ast.lambda && ast.lambda.id)) { case _nameId: res.push('name ', getNameNm(ast), ' (') astPrint(getNameAst(ast), res) res.push(')') break case _refId: res.push('ref ') var val = getRefVar(ast) res.push(val.lambda ? "WHA?" : val) break case _litId: res.push('lit ') var val = getLitVal(ast) res.push(val.lambda ? "{" + val.lambda.toString() + "}" : val) break case _lambdaId: var v = "VAR" + res.gen++ res.push('lambda ') res.push(v) res.push(' . ') astPrint(getLambdaBody(ast, v), res) break case _applyId: res.push('apply (') astPrint(getApplyFunc(ast), res) res.push(') (') astPrint(getApplyArg(ast), res) res.push(')') break case _primId: res.push('prim ') astPrint(getPrimArg(ast), res) astPrint(getPrimRest(ast), res) break default: res.push("WHA???") break } return isFirst && res.join('') } ................................................................................ } /** A context is program scope */ function createContext() { var ctx = (function(){ var tokens = {} var groupOpens = {'(': ')'} var groupCloses = {')': 1} var C function id(func, id) { func.context = C func.id = id return func } function nameAst(nm, ast) { ................................................................................ if (!ast.id) { C.astsById.push(ast) ast.id = C.astsById.length } return ast } return C = { tokens: tokens, groupOpens: groupOpens, groupCloses: groupCloses, astsById: [], astsByName: {}, addAst: addAst, id: id, nameAst: nameAst, eval: function(str){return eval(str)}, subcontext: function(){return function(str){return eval(str)}}, } })() ctx.funcId = 0 return ctx } var CTX = createContext() function Memo() { this.count = 0 } Memo.prototype = { add: function() {return "memo" + this.count++}, toString: function() { if (this.count) { var ret = '' for (var i = 0; i < this.count; i++) { ret += "var memo" + i + "; " } return ret } else { return '' } } } function dgen(ast) { var mem = new Memo() var ret = gen(ast, [], null, mem, true) return mem.count ? ["(function(){", mem, "return " + ret[0] + "})()", ret[1]] : ret } function memoStart(res, memo, deref) { if (!deref) { var mem = memo.add() res.push("function(){return ", mem, " || (", mem, " = ") } } function memoEnd(res, memo, deref) { if (!deref) res.push(")}") } function gen(ast, res, ctx, memo, deref, prim, cont) { var isFirst = !ctx res = res || [] ctx = ctx || CTX.subcontext() ctx.curLit = 0 if (isFirst) ctx.gen = 0 CTX.addAst(ast) switch (ast.lambda && ast.lambda.id) { case _nameId: var nm = getNameNm(ast) var a = getNameAst(ast) CTX.nameAst(nm, a) gen(a, res, ctx, memo) break case _refId: var val = getRefVar(ast) if (val.lambda) throw new Error("attempt to use lambda as a variable") res.push(val) if (deref) res.push("()") break case _litId: var lit = "lit" + ctx.curLit++ ctx("var " + lit) ctx("(function(v){" + lit + " = v})")(getLitVal(ast)) res.push(lit) if (deref) res.push("()") break case _lambdaId: var v = "VAR" + ctx.gen++ memo = new Memo() if (!deref) res.push("(function(){return ") res.push("id(function(" + v + "){", memo, "return ") gen(getLambdaBody(ast, v), res, ctx, memo, true) res.push("}, " + ast.id + ")") if (!deref) res.push("})") break case _applyId: var func = getApplyFunc(ast) var arg = getApplyArg(ast) memoStart(res, memo, deref) gen(func, res, ctx, memo, true) res.push("(") gen(arg, res, ctx, memo) res.push(")") memoEnd(res, memo, deref) break case _primId: var arg = ast(first) var rest = ast(rest) if (prim) { if (cont) { res.push(", ") } res.push(arg) if (isPrim(rest)) { gen(rest, res, ctx, memo, false, true, true) } } else { memoStart(res, memo, deref) res.push(arg) res.push("(") if (isPrim(rest)) { gen(rest, res, ctx, memo, true, true, false) } res.push(")") memoEnd(res, memo, deref) } break default: res.push("'WHA???'") break } return isFirst && [res.join(''), ctx] ................................................................................ return id(function(_ast) { return id(function(_f) { return _f()(_nm)(_ast) }, _nameId) }, -4) } function defineToken(name, def) { if (def != '=') { CTX.tokens[name] = 1 tokenPat = null if (def[1] == '(') { CTX.groupOpens[name] = def.substring(2, def.length - 1) } else if (def[1] == ')') { CTX.groupCloses[name] = 1 } } } function evalLine(line, noRebuild) { if (line != "" && (line.match(/^#(define|strict|lazy)/) || line[0] != '#')) { var def = line.match(tokenDefPat) var name = def ? def[1].trim() : null if (def) { defineToken(name, def[2]) line = line.substring(def[0].length).trim() } return addExpr(name, line, noRebuild) } return false } function newEntry(name, ast) { ast.name = name ast.cname = nameSub(name) try { var cmp = compile(ast) ast.func = cmp[0] ast.env = cmp[1] ast.src = 'function() {\nreturn ' + ast.func + '\n}' if (warnFreeVariable.length) { ast.usesFree = warnFreeVariable.join(', ') warnFreeVariable = [] } } catch (err) { ast.src = function() {return "Error compiling: " + expr} } } function nameSub(name) { var s = '_' for (var i = 0; i < name.length; i++) { var code = charCodes[name[i]] if (code) { if (!s) s = name.substring(0, i) s += code } else if (s) { s += name[i] } } return s || name } function nameUnsub(name) { var s = '' for (var i = 1; i < name.length; i++) { if (name[i] == '\$') { if (!s) s = name.substring(0, i) s += codeChars[name[++i]] } else { if (s) s += name[i] } } return s } function addExpr(name, txt, noRebuild) { if (name) { var expr = newEntry(name, parse(txt)) var newOutput = '' expr.expr.name = name if (!noRebuild) { for (var i = 0; i < order.length; i++) { if (order[i].name == name) { order.splice(i, 1) } } } exp("L", LC.L = L = null) order.push(expr) var hk = expr.expr.hashKey() if (!hashed[hk]) hashed[hk] = expr exprs[name] = expr return true } else { runExpr(txt.trim()) return false } } function addToken(tok, group) { var pat = '' CTX.tokens[tok] = group tokenPat = null } function createTokenPat() { if (!tokenPat) { var types = [] for (var i in CTX.tokens) { types.push(i) } // sort them by length, longest first types.sort(function(a, b) {b.length - a.length}) for (var i = 0; i < types.length; i++) { var s = types[i] var o = '' for (var p = 0; p < s.length; p++) { if (specials.indexOf(s[p]) > -1) { o += '\\' } o += s[p] } types[i] = o } types.push('((#define|#strict|#lazy)(?=[ \t]))|[()#.\\\\]| +') tokenPat = new RegExp(/'(\\'|[^'])*'|"(\\"|[^"])*"/.source + '|' + types.join('|')) } } function tokenize(str) { var pos = 0 var toks = [] str = str.replace(/\u03BB/g, '\\') createTokenPat() while (str.length && (pos = str.search(tokenPat)) > -1) { if (pos > 0) { toks.push(str.substring(0, pos)) } var tok = tokenPat.exec(str.substring(pos))[0] if (tok.trim()) { if (tok[0] == '#' && !tok.match(/^#(define|strict|lazy)/)) break toks.push(tok) } str = str.substring(pos + tok.length) } if (str.length) { toks.push(str) } return toks } function parse(str) {return tparse(tokenize(str).reverse(), {})} function addDef(toks) { var t = toks.reverse() defs[t[0]] = t.join(' ') } function tparse(toks, vars, expr) { var cur var oldVars = {} while (toks.length) { var tok = toks.pop() if (tok == ')') { toks.push(tok) return expr } if (tok == '\\') { cur = tparseLambda(toks, vars) } else if (tok == '#define') { addDef(toks) toks = [] } else if (tok == '#lazy' || tok == '#strict') { cur = tparseVariable(tok, vars, oldVars) } else { var expectedClose = CTX.groupOpens[tok] var skip = false if (expectedClose) { cur = tparse(toks, vars, tok != '(' ? tparseVariable(tok, vars, oldVars) : null) if (toks.length && toks[toks.length - 1] == expectedClose) { toks.pop() } skip = true } if (!skip) { cur = tparseVariable(tok, vars, oldVars) } } expr = expr ? wapply(expr, cur) : cur if (CTX.groupCloses[tok]) { toks.push(tok) return expr } } for (i in oldVars) { vars[i] = oldVars[i] } return expr } function tparseVariable(tok, vars, oldVars) { var cur = vars[tok] if (!cur) { if (CTX.astsByName[tok]) { cur = wlit(CTX.astsByName[tok]) } else { //**** cur = wref(tok) -- need to link in a ref to the lambda's var } if (vars[tok]) oldVars[tok] = vars[tok] vars[tok] = cur } return cur } function tparseLambda(toks, vars) { var name, old, body, lvar if (toks.length < 3 || toks[toks.length - 1] == '.') { throw new Error('imcomplete lambda definition: ' + toks.reverse().join(' ')) } if (toks[toks.length - 2] == '.') { name = toks.pop() old = vars[name] lvar = vars[name] = new Variable(name, false) toks.pop() body = tparse(toks, vars) } else { name = toks.pop() old = vars[name] lvar = vars[name] = new Variable(name, false) body = tparseLambda(toks, vars) } vars[name] = old return new Lambda(lvar, body) } /* console.log("_lambdaId: " + _lambdaId) console.log("t1: " + LC.L._t1()) console.log("t1.id: " + LC.L._t1().lambda.id) console.log("t1: " + astPrint(LC.L._t1())) console.log("t2: " + LC.L._t2()) console.log("t2 lambda: " + LC.L._t2().lambda) console.log("t2 id: " + LC.L._t2().lambda.id) console.log("t2 type: " + astType(LC.L._t2())) console.log("t2 var: " + LC.L._t2()(first)) console.log("t2 body: " + LC.L._t2()(second).lambda) console.log("t2: " + astPrint(LC.L._t2())) console.log("t3: " + astPrint(LC.L._t3())) */ console.log("t4: " + astPrint(LC.L._t4())) /* console.log("t5: " + astPrint(LC.L._t5())) console.log("t6: " + astPrint(LC.L._t6())) ................................................................................ console.log("tname: " + dgen(LC.L._tname())[0]) console.log("tlit: " + LC.L.__lit()) console.log("tref: " + LC.L.__ref()) console.log("tlambda: " + LC.L.__lambda()) console.log("tapply: " + LC.L.__apply()) console.log("tprim: " + LC.L.__apply()) console.log("tname: " + LC.L.__name()) console.log("REF ID: " + (ref("duh")()).id) console.log("REF TEST: " + astPrint(ref("duh")())) console.log("REF GEN: " + dgen(ref("duh")())[0]) */ var t4 = wlambda(function(x){return ref(x)}) console.log("T4 AST: " + astPrint(t4)) console.log("T4 gen: " + dgen(t4)[0]) console.log("T4 src: " + t4) console.log("T7: " + astPrint(LC.L._t7())) var t7 = wlambda(function(x){return wlambda(function(y){return wlambda(function(z){return wapply(ref(x), wapply(ref(y), ref(z)))})})}) console.log("T7 AST: " + astPrint(t7)) console.log("T7 gen: " + dgen(t7)[0]) console.log("T7 run: " + eval(dgen(t7)[0])) console.log("T7 1: " + eval(dgen(t7)[0])(laz(function(x){return x()+"1"}))) console.log("T7 2: " + eval(dgen(t7)[0])(laz(function(x){return x()+"1"}))(laz(function(y){return y()+"2"}))) var log=console.log console.log("T7 3: " + eval(dgen(t7)[0])(laz(function(x){log("x: " + x()); return String(x())+"1"}))(laz(function(y){log("y: " + y()); return y()+"2"}))(laz("FLOOP "))) console.log("T77: " + LC.L._t77) // TODO: compile AST funcs directly and include the JS source here // for self hosting })() ```