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[Tolk] Compiler built-in __expect_type() for testing purposes

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Currently, tolk-tester can test various "output" of the compiler:
pass input and check output, validate fif codegen, etc.
But it can not test compiler internals and AST representation.

I've added an ability to have special functions to check/expose
internal compiler state. The first (and the only now) is:
> __expect_type(some_expr, "<type>");
Such a call has special treatment in a compilation process.
Compilation fails if this expression doesn't have requested type.

It's intended to be used in tests only. Not present in stdlib.
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tolk-vm 2025-01-15 01:41:15 +07:00
parent c720204199
commit 989629a832
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9 changed files with 147 additions and 7 deletions
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3
tolk-tester/tests/a6.tolk
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@ -1,6 +1,9 @@
fun f(a: int, b: int, c: int, d: int, e: int, f: int): (int, int) {
// solve a 2x2 linear equation
var D: int = a*d - b*c;;;; var Dx: int = e*d-b*f ;;;; var Dy: int = a * f - e * c;
__expect_type(D, "int");
__expect_type(D*D, "int");
__expect_type(calc_phi, "() -> int");
return (Dx/D,Dy/D);
};;;;