!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); }