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🐐 short circuit evaluation

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NikolajDanger
2026-04-22 14:29:39 +02:00
parent 461bfbbdc5
commit 60b45869fb
3 changed files with 62 additions and 4 deletions
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29
tests.py
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@@ -698,6 +698,9 @@ error_tests = [
("DEFINI f () VT { REDI(I) }\nINVOCA f (I)", CentvrionError), # args to zero-param function
("SI NVLLVS TVNC { DESIGNA r VT I }", CentvrionError), # NVLLVS cannot be used as boolean
("NVLLVS AVT VERITAS", CentvrionError), # NVLLVS cannot be used as boolean in AVT
("FALSITAS AVT NVLLVS", CentvrionError), # no short-circuit: right side evaluated, NVLLVS not boolean
("VERITAS ET NVLLVS", CentvrionError), # no short-circuit: right side evaluated, NVLLVS not boolean
("NVLLVS ET VERITAS", CentvrionError), # NVLLVS cannot be used as boolean in ET
('"hello" + " world"', CentvrionError), # use & for string concatenation, not +
("[I, II][III]", CentvrionError), # index too high
("CVM SVBNVLLA\n[I, II][-I]", CentvrionError), # negative index
@@ -1612,6 +1615,32 @@ et_avt_tests = [
("SI FALSITAS AVT FALSITAS TVNC { DESIGNA r VT I } ALIVD { DESIGNA r VT II }\nr",
Program([], [SiStatement(BinOp(Bool(False), Bool(False), "KEYWORD_AVT"), [Designa(ID("r"), Numeral("I"))], [Designa(ID("r"), Numeral("II"))]), ExpressionStatement(ID("r"))]),
ValInt(2)),
# short-circuit: right side not evaluated when result is determined
("VERITAS AVT NVLLVS",
Program([], [ExpressionStatement(BinOp(Bool(True), Nullus(), "KEYWORD_AVT"))]),
ValBool(True)),
("FALSITAS ET NVLLVS",
Program([], [ExpressionStatement(BinOp(Bool(False), Nullus(), "KEYWORD_ET"))]),
ValBool(False)),
# short-circuit with side-effect-prone expressions
("DESIGNA x VT NVLLVS\nSI x EST NVLLVS AVT [I, II][x] EST I TVNC { DESIGNA r VT I } ALIVD { DESIGNA r VT II }\nr",
Program([], [
Designa(ID("x"), Nullus()),
SiStatement(
BinOp(BinOp(ID("x"), Nullus(), "KEYWORD_EST"), BinOp(ArrayIndex(DataArray([Numeral("I"), Numeral("II")]), ID("x")), Numeral("I"), "KEYWORD_EST"), "KEYWORD_AVT"),
[Designa(ID("r"), Numeral("I"))],
[Designa(ID("r"), Numeral("II"))]),
ExpressionStatement(ID("r"))]),
ValInt(1)),
("DESIGNA x VT NVLLVS\nSI x DISPAR NVLLVS ET [I, II][x] EST I TVNC { DESIGNA r VT I } ALIVD { DESIGNA r VT II }\nr",
Program([], [
Designa(ID("x"), Nullus()),
SiStatement(
BinOp(BinOp(ID("x"), Nullus(), "KEYWORD_DISPAR"), BinOp(ArrayIndex(DataArray([Numeral("I"), Numeral("II")]), ID("x")), Numeral("I"), "KEYWORD_EST"), "KEYWORD_ET"),
[Designa(ID("r"), Numeral("I"))],
[Designa(ID("r"), Numeral("II"))]),
ExpressionStatement(ID("r"))]),
ValInt(2)),
]
class TestEtAvt(unittest.TestCase):