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Lua Metaprogram: Improvements to static analysis + others.

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ed
2026-07-23 10:18:30 -04:00
parent 67d54debfa
commit 08af73d0d2
13 changed files with 871 additions and 521 deletions
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scripts/passes/dwarf_injection.lua
+5 -7
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@@ -904,7 +904,6 @@ end
---
--- Pre-tokenized: `body_tokens` is the scan-source pass's pre-split list of top-level
--- statements (each entry is a single `load_word(...)` call or other statement).
--- Plex: prepass move — use the pre-computed data instead of re-walking the body text.
--- @param body_tokens table[] -- the atom's pre-tokenized body statements (from atom.body_tokens)
--- @param binds_name string -- expected Binds_X name (skip pairs with mismatching binds)
--- @param registries table -- merged registries from collect_per_source_registries
@@ -1540,8 +1539,7 @@ local function build_new_strings(atom_table, registries)
-- Register names (one per unique debug-visible R_Name alias from the merged registry,
-- filtered to MIPS GPR 0..31 — the same filter that build_inserted_children applies
-- for the RR_<name> locals, so .debug_str entries stay in sync with .debug_info).
-- Plex: Lua's pairs() is non-deterministic; sort the alias names first so the emitted
-- .debug_str bytes are byte-identical across runs.
-- Lua's pairs() is non-deterministic; sort the alias names first so the emitted$ .debug_str bytes are byte-identical across runs.
local sorted_alias_names = {}
for r_name, alias in pairs(registries.register_alias_registry or {}) do
if alias.code and alias.code >= 0 and alias.code <= 31 then
@@ -1648,7 +1646,7 @@ local function build_inserted_children(main_cu_offset, main_cu_end_excl, atom_ta
local insertion_start = main_cu_end_excl - 1
-- Closure state: bytes + next_offset + the typed-view/structure/abstract offset caches.
-- All step-emitters mutate this state in place. Plex: Fleury expose structure over interface.
-- All step-emitters mutate this state in place.
local S = {
bytes = {},
next_offset = insertion_start, -- 0-based section offset of the NEXT byte to emit
@@ -1658,7 +1656,7 @@ local function build_inserted_children(main_cu_offset, main_cu_end_excl, atom_ta
member_base_type_offsets = {}, -- {[tn.."|"..byte_size.."|"..encoding] = section_offset}
base_type_section_offset = nil, -- set by emit_unsigned_int_base_type
}
-- Plex helpers.
local function emit(s)
S.bytes[#S.bytes + 1] = s
S.next_offset = S.next_offset + #s
@@ -2023,7 +2021,7 @@ local function build_inserted_children(main_cu_offset, main_cu_end_excl, atom_ta
end
end
-- 5-step precedence chain. Plex: data table; the dispatch loop runs the first step that yields a non-nil offset.
-- 5-step precedence chain. The dispatch loop runs the first step that yields a non-nil offset.
-- Each step returns the type's section offset or nil if it missed.
-- Adding a step = 1 row in the table + 1 function. The 5-level nested if/else is gone.
-- Per-atom precomputed state is captured in upvalues: atom_view, reg_to_field_ctx, atom_view_ctx_fields,
@@ -2068,7 +2066,7 @@ local function build_inserted_children(main_cu_offset, main_cu_end_excl, atom_ta
end,
}
-- Plex: iterate `by_alias` in sorted order (Lua's pairs() is non-deterministic;
-- Iterate `by_alias` in sorted order (Lua's pairs() is non-deterministic;
-- sorting ensures byte-identical DWARF output across builds).
for _, r_name in ipairs(by_alias_order) do
local alias = by_alias[r_name]