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checker: make type_implements() return false if methods of interface didn't implement (#18076)

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Mark aka walkingdevel 2023-04-28 19:18:23 +00:00 committed by GitHub
parent 2f48288a25
commit 9eee131423
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1 changed files with 7 additions and 0 deletions
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7
vlib/v/checker/checker.v
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@ -914,6 +914,8 @@ fn (mut c Checker) type_implements(typ ast.Type, interface_type ast.Type, pos to
}
// voidptr is an escape hatch, it should be allowed to be passed
if utyp != ast.voidptr_type && utyp != ast.nil_type {
mut are_methods_implemented := true
// Verify methods
for imethod in imethods {
method := c.table.find_method_with_embeds(typ_sym, imethod.name) or {
@ -930,6 +932,7 @@ fn (mut c Checker) type_implements(typ ast.Type, interface_type ast.Type, pos to
typ_sym.find_method_with_generic_parent(imethod.name) or {
c.error("`${styp}` doesn't implement method `${imethod.name}` of interface `${inter_sym.name}`",
pos)
are_methods_implemented = false
continue
}
}
@ -944,6 +947,10 @@ fn (mut c Checker) type_implements(typ ast.Type, interface_type ast.Type, pos to
return false
}
}
if !are_methods_implemented {
return false
}
}
// Verify fields
if mut inter_sym.info is ast.Interface {