29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
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// alias_preflight_box.hako — AliasPreflightBox
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// Responsibility: Early check for using-alias heads in Stage‑1 names.
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// Input: raw dotted label (e.g., "alias.something.method"), UsingResolverBox instance.
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// Behavior: If dotted, verify alias head is known; otherwise print a stable one-line error and return 0.
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// Non‑Responsibility: Namespace normalization or emit.
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using "lang/src/compiler/pipeline_v2/using_resolver_box.hako" as UsingResolverBox
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using "lang/src/compiler/pipeline_v2/regex_flow.hako" as RegexFlow
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static box AliasPreflightBox {
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// Returns 1 if OK, 0 if alias head is unresolved (prints error).
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check_head(raw_label, r_state) {
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if raw_label == null { return 1 }
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if r_state == null { return 1 }
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local s = "" + raw_label
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local dot = RegexFlow.find_from(s, ".", 0)
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if dot < 0 { return 1 }
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local head = s.substring(0, dot)
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if head == null || head == "" { return 1 }
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if UsingResolverBox.resolve_namespace_alias(r_state, head) == null {
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print("[ERROR] Unresolved using alias: " + head)
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return 0
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}
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return 1
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}
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}
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static box AliasPreflightMain { main(args) { return 0 } }
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