def test_break_fail():
with pytest.raises(pt.TealCompileError):
pt.Break().__teal__(options)
with pytest.raises(pt.TealCompileError):
pt.If(pt.Int(1), pt.Break()).__teal__(options)
with pytest.raises(pt.TealCompileError):
pt.Seq([pt.Break()]).__teal__(options)
with pytest.raises(TypeError):
pt.Break(pt.Int(1))
def test_while_break():
i = pt.ScratchVar()
i.store(pt.Int(0))
items = [
i.load() < pt.Int(2),
i.store(i.load() + pt.Int(1)),
pt.If(i.load() == pt.Int(1), pt.Break()),
]
expr = pt.While(items[0]).Do(pt.Seq(items[1], items[2]))
assert expr.type_of() == pt.TealType.none
assert not expr.has_return()
options.enterLoop()
expected, condEnd = items[0].__teal__(options)
do, doEnd = pt.Seq([items[1], items[2]]).__teal__(options)
expectedBranch = pt.TealConditionalBlock([])
end = pt.TealSimpleBlock([])
expectedBranch.setTrueBlock(do)
expectedBranch.setFalseBlock(end)
condEnd.setNextBlock(expectedBranch)
doEnd.setNextBlock(expected)
breakBlocks, _ = options.exitLoop()
for block in breakBlocks:
block.setNextBlock(end)
actual, _ = expr.__teal__(options)
assert actual == expected
def test_continue_break():
i = pt.ScratchVar()
expr = pt.For(i.store(pt.Int(0)), pt.Int(1), i.store(i.load() + pt.Int(1))).Do(
pt.Seq([pt.If(pt.Int(1), pt.Break(), pt.Continue())])
)
assert expr.type_of() == pt.TealType.none
assert not expr.has_return()
expr.__teal__(options)
def test_break():
expr = pt.Break()
assert expr.type_of() == pt.TealType.none
assert not expr.has_return()
expected = pt.TealSimpleBlock([])
options.enterLoop()
actual, _ = expr.__teal__(options)
breakBlocks, continueBlocks = options.exitLoop()
assert actual == expected
assert breakBlocks == [actual]
assert continueBlocks == []
def test_for_break():
i = pt.ScratchVar()
items = [
(i.store(pt.Int(0))),
i.load() < pt.Int(10),
i.store(i.load() + pt.Int(1)),
pt.If(i.load() == pt.Int(6), pt.Break()),
pt.App.globalPut(pt.Itob(i.load()), i.load() * pt.Int(2)),
]
expr = pt.For(items[0], items[1], items[2]).Do(pt.Seq([items[3], items[4]]))
assert expr.type_of() == pt.TealType.none
assert not expr.has_return()
options.enterLoop()
expected, varEnd = items[0].__teal__(options)
condStart, condEnd = items[1].__teal__(options)
stepStart, stepEnd = items[2].__teal__(options)
do, doEnd = pt.Seq([items[3], items[4]]).__teal__(options)
expectedBranch = pt.TealConditionalBlock([])
end = pt.TealSimpleBlock([])
doEnd.setNextBlock(stepStart)
stepEnd.setNextBlock(condStart)
expectedBranch.setTrueBlock(do)
expectedBranch.setFalseBlock(end)
condEnd.setNextBlock(expectedBranch)
varEnd.setNextBlock(condStart)
breakBlocks, _ = options.exitLoop()
for block in breakBlocks:
block.setNextBlock(end)
actual, _ = expr.__teal__(options)
assert actual == expected
def test_continue_break():
expr = pt.While(pt.Int(0)).Do(
pt.Seq([pt.If(pt.Int(1), pt.Break(), pt.Continue())]))
assert expr.type_of() == pt.TealType.none
assert not expr.has_return()
expr.__teal__(options)