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[Tolk] bool type (-1/0 int under the hood)

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Comparison operators `== / >= /...` return `bool`.
Logical operators `&& ||` return bool.
Constants `true` and `false` have the `bool` type.
Lots of stdlib functions return `bool`, not `int`.

Operator `!x` supports both `int` and `bool`.
Condition of `if` accepts both `int` and `bool`.
Arithmetic operators are restricted to integers.
Logical `&&` and `||` accept both `bool` and `int`.

No arithmetic operations with bools allowed (only bitwise and logical).
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tolk-vm 2025-01-13 15:21:24 +07:00
parent 799e2d1265
commit 974d76c5f6
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33 changed files with 764 additions and 212 deletions
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4
tolk-tester/tests/null-keyword.tolk
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@ -73,7 +73,7 @@ fun test7() {
var b = beginCell().storeMaybeRef(null);
var s = b.endCell().beginParse();
var c = s.loadMaybeRef();
return (null == c) * 10 + (b != null);
return (null == c) as int * 10 + (b != null) as int;
}
fun main() {
@ -139,7 +139,7 @@ fun main() {
10 MULCONST // b _13
SWAP // _13 b
ISNULL // _13 _14
0 EQINT // _13 _15
NOT // _13 _15
ADD // _16
}>
"""