!7

!include #1007960 // englishToConceptLanguage_xyz

sS concepts = [[

  ["jcnbmtmfzktxhzyf", "X + Y"],

  ["bwqhmnorjpyomdbv", "X * Y", "multiplication"],

  ["mcoswmplpqlieruo", "(X)"],

  ["olphazqzxxnvtjcx", "X evaluates through standard function Y."],

  ["wwaprwlmqzqeaikp", "A leaf satisfying standard function X evaluates through standard function Y."],

  ["hkihrqgdlkdayxzn", "X is just bracketing."],

]];

sS statements = [[

  olphazqzxxnvtjcx jcnbmtmfzktxhzyf "plus"

  olphazqzxxnvtjcx bwqhmnorjpyomdbv "multiply"

  hkihrqgdlkdayxzn mcoswmplpqlieruo

  wwaprwlmqzqeaikp "isInteger" "bigint"

]];

p {

  useConcepts(concepts);

  useFacts_cl(statements);

  set englishToConceptLanguage_xyz_debug;

  printIndent(eval(parse(print("1"))));

  assertEqualsVerbose(bigint(5), eval(parse(print("(5)"))));

  assertEqualsVerbose(bigint(6), eval(parse(print("2 * (3)"))));

  assertEqualsVerbose(bigint(6), eval(parse(print("1 * (2 + 3)"))));

  assertEqualsVerbose(bigint(9), eval(parse(print("(1 + 2) * 3"))));

  assertEqualsVerbose(bigint(21), eval(parse(print("(1 + 2) * (3 + 4)"))));

  print("OK!!");

}

static Lisp parse(S s) {

  ret englishToLispWith(s, ll("mcoswmplpqlieruo", "jcnbmtmfzktxhzyf", "bwqhmnorjpyomdbv"));

}

static O eval(Lisp l) { ret generalLispEval(l); }