7f2b8b5cde
checkCallArity compares the supplied count against the declared params (min = params without trailing defaults, max = params.len, unbounded past a variadic) at the five plain dispatch sites in lowerCall — bare selected-author + lazy, namespace alias-gate + qualified, struct method, ufcs. Pack / comptime / generic / #compiler / #builtin callees keep their own dispatch. The method/ufcs sites also gain the appendDefaultArgs fill the generic-instance leg already had, so trailing defaults work on dot-calls instead of emitting under-arity calls. lowerStmt's local fn_decl arm now registers a pointer into the AST node in fn_ast_map, not a stack temporary that aliased every later local fn.
27 lines
917 B
Plaintext
27 lines
917 B
Plaintext
// Wrong argument counts to fixed-arity functions are rejected at the call
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// site — bare calls, flat-imported stdlib fns, method dot-calls, and ufcs
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// dot-calls — instead of reaching LLVM verification ("Incorrect number of
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// arguments passed to called function!").
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// Regression (issue 0123).
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#import "modules/std.sx";
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add2 :: (a: s64, b: s64) -> s64 { return a + b; }
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Point :: struct {
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x: s64;
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scaled :: (self: Point, k: s64) -> s64 { return self.x * k; }
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}
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bump :: ufcs (p: Point, by: s64) -> s64 { return p.x + by; }
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main :: () -> s32 {
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_ = add2(1, 2, 3); // plain bare call, too many
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_ = add2(1); // plain bare call, too few
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_ = concat("a", "b", "c"); // flat-imported stdlib fn, too many
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p := Point.{ x = 5 };
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_ = p.scaled(2, 9); // method dot-call, too many
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_ = p.bump(1, 2); // ufcs dot-call, too many
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return 0;
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}
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