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Merge pull request #32 from mjp41/0-strech-for
Add `while` loops and add linked list example with while loops
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,25 +1,38 @@ | ||
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| # Build a region | ||
| a = {} | ||
| a["self"] = a | ||
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| f = {} | ||
| f.a = a | ||
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| # Check if with else (This should be true) | ||
| if a == f.a: | ||
| b = f.a | ||
| c = {} | ||
| # Check empty lines in blocks: | ||
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| drop b | ||
| drop c | ||
| else: | ||
| # Check parsing nested if's | ||
| if f.b == None: | ||
| e = {} | ||
| drop e | ||
| unreachable() | ||
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| else: | ||
| d = {} | ||
| drop d | ||
| unreachable() | ||
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| # Check identifier as the condition | ||
| cond = f.a != a | ||
| if cond: | ||
| unreachable() | ||
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| # Check function call as the condition | ||
| def check(): | ||
| c = False | ||
| # Check return condition result | ||
| return c == True | ||
| if check(): | ||
| unreachable() | ||
|
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||
| drop a | ||
| drop f |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| lst = {} | ||
| lst.next = {} | ||
| lst.next.next = {} | ||
| lst.next.next.next = {} | ||
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| obj = lst | ||
| while obj != null: | ||
| obj = obj.next | ||
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| # Check identifiers in the condition | ||
| cond = False | ||
| while cond == True: | ||
| unreachable() | ||
| while cond: | ||
| unreachable() | ||
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| # Check field access in the condition | ||
| x = {} | ||
| x.bool = False | ||
| while x.bool == True: | ||
| unreachable() | ||
| while x.bool: | ||
| unreachable() | ||
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| # Check function calls in the condition | ||
| def bool(self): | ||
| return False | ||
| while bool({}) == True: | ||
| unreachable() | ||
| while bool({}): | ||
| unreachable() | ||
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| # Check method calls in the condition | ||
| x.bool = bool | ||
| while x.bool() == True: | ||
| unreachable() | ||
| while x.bool(): | ||
| unreachable() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| def new_list(): | ||
| def insert(self, item): | ||
| node = self.head | ||
| while node.next != null: | ||
| node = node.next | ||
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| node.next = {} | ||
| node.next.data = item | ||
| node.next.prev = node | ||
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| def contains(self, item): | ||
| node = self.head | ||
| while node.next != null: | ||
| if node.data == item: | ||
| return True | ||
| node = node.next | ||
| return False | ||
|
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| def remove(self, item): | ||
| node = self.head | ||
| while node.next != null: | ||
| if node.data == item: | ||
| node.prev.next = node.next | ||
| if node.next != null: | ||
| node.next.prev = node.prev | ||
| return True | ||
| node = node.next | ||
| return False | ||
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| list = {} | ||
| list.head = {} | ||
| list.insert = take insert | ||
| list.contains = take contains | ||
| list.remove = take remove | ||
| return list | ||
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| # Dyrona doesn't freeze shared objects automatically (yet) | ||
| def freeze_and_hide_proto(value): | ||
| proto = value["__proto__"] | ||
| freeze(proto) | ||
| mermaid_hide(proto) | ||
| freeze_and_hide_proto(freeze_and_hide_proto) | ||
| freeze_and_hide_proto("string") | ||
| drop freeze_and_hide_proto | ||
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| list = new_list() | ||
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| # Required to not leak memory | ||
| region(list) | ||
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| value = "x" | ||
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| list.insert({}) | ||
| list.insert({}) | ||
| list.insert(value) | ||
| list.insert({}) | ||
| list.remove(value) | ||
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| drop value | ||
| drop list |