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Detect and error on chained offset_of expressions.

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Fixes #5851.

This disallows expressions like `offset_of(a.b.c)`.
This commit is contained in:
mo
2026-09-02 13:01:39 +12:00
parent 2c81576cf9
commit 278c7dd751
1 changed files with 7 additions and 0 deletions
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7
src/check_builtin.cpp
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@@ -3146,6 +3146,13 @@ gb_internal bool check_builtin_procedure(CheckerContext *c, Operand *operand, As
}
ast_node(se, SelectorExpr, arg0);
if (unparen_expr(se->expr)->kind == Ast_SelectorExpr) {
gbString x = expr_to_string(arg0);
error(ce->args[0], "Chained expressions are not allowed for '%.*s', got '%s' ", LIT(builtin_name), x);
gb_string_free(x);
return false;
}
Operand x = {};
check_expr(c, &x, se->expr);