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Stop pointer parameters leaking value-pool slots
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Create structure parameters before allocating their representation, then keep pointer references in the call variable's inline slot. Add an 8,000-call regression and document the remaining by-value structure escape limitation.

Co-authored-by: andrew <andrew@aklabs.net>
Co-authored-by: OpenAI Codex (GPT-5) <noreply@openai.com>
This commit is contained in:
Logikoma
2026-08-04 23:09:15 -04:00
parent 350deb3a45
commit 2e60e26b2f
7 changed files with 83 additions and 12 deletions
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10
include/akbasic/environment.h
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@@ -246,6 +246,16 @@ akerr_ErrorContext AKERR_NOIGNORE *akbasic_environment_collect_subscripts(akbasi
*/
akerr_ErrorContext AKERR_NOIGNORE *akbasic_environment_create(akbasic_Environment *obj, const char *varname, akbasic_Variable **dest);
/**
* @brief Create a variable slot without allocating value storage.
*
* Used when the caller knows the variable's representation before its first
* initialization, such as a structure parameter. The caller must initialize
* the variable before evaluating it.
*/
akerr_ErrorContext AKERR_NOIGNORE *akbasic_environment_create_empty(akbasic_Environment *obj, const char *varname,
akbasic_Variable **dest);
/**
* @brief Resolve a label to the line number it marks.
* @param obj Scope to search; the parent chain is walked.