mirror of
https://github.com/Ed94/pikuma_ps1.git
synced 2026-08-08 16:48:17 +00:00
lua metaprogram adjustments
This commit is contained in:
@@ -1,4 +1,4 @@
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// Auto-generated by gen_atom_offsets.lua — DO NOT EDIT
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// Auto-generated by tape_atom_offset_gen.meta.lua — DO NOT EDIT
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// Source: C:\projects\Pikuma\ps1\code\duffle\lottes_tape.h
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#pragma once
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@@ -1,4 +1,4 @@
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// Auto-generated by gen_atom_offsets.lua — DO NOT EDIT
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// Auto-generated by tape_atom_offset_gen.meta.lua — DO NOT EDIT
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// Source: C:\projects\Pikuma\ps1\code\gte_hello\hello_gte_tape.c
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#pragma once
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@@ -1,5 +1,5 @@
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#!/usr/bin/env lua
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-- gen_atom_offsets.lua — hand-rolled, no patterns, no regex, no region pragmas.
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-- tape_atom_offset_gen.lua
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--
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-- Finds every `MipsAtom_(name) { ... }` declaration in the given sources,
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-- counts the words in each body using the WORD_COUNT manifest, computes
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@@ -26,10 +26,7 @@
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-- Character classification
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-- ============================================================
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local function is_space(c)
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return c == " " or c == "\t" or c == "\n" or c == "\r" or c == "\v" or c == "\f"
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end
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local function is_space(c) return c == " " or c == "\t" or c == "\n" or c == "\r" or c == "\v" or c == "\f" end
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local function is_alpha(c)
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if not c or #c == 0 then return false end
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if c >= "a" and c <= "z" then return true end
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@@ -37,13 +34,8 @@ local function is_alpha(c)
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return c == "_"
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end
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local function is_digit(c)
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return c and c >= "0" and c <= "9"
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end
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local function is_alnum(c)
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return is_alpha(c) or is_digit(c)
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end
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local function is_digit(c) return c and c >= "0" and c <= "9" end
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local function is_alnum(c) return is_alpha(c) or is_digit(c) end
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-- ============================================================
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-- I/O
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@@ -64,19 +56,15 @@ local function write_file(path, content)
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f:close()
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end
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local function ensure_dir(path)
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os.execute('mkdir -p "' .. path .. '"')
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end
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local function ensure_dir(path) os.execute('mkdir -p "' .. path .. '"') end
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-- ============================================================
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-- String primitives
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-- ============================================================
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local function trim(s)
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local a = 1
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while a <= #s and is_space(s:sub(a, a)) do a = a + 1 end
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local b = #s
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while b >= a and is_space(s:sub(b, b)) do b = b - 1 end
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local a = 1; while a <= #s and is_space(s:sub(a, a)) do a = a + 1 end
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local b = #s; while b >= a and is_space(s:sub(b, b)) do b = b - 1 end
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return s:sub(a, b)
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end
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@@ -128,19 +116,7 @@ local function basename_no_ext(path)
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return path:sub(a, last_dot - 1)
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end
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local function to_upper(s)
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local out = ""
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for i = 1, #s do
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local code = string.byte(s, i)
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if code >= 97 and code <= 122 then
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out = out .. string.char(code - 32)
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else
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out = out .. s:sub(i, i)
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end
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end
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return out
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end
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local function to_upper(s) return s:upper() end
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local function to_alnum_underscore(s)
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local out = ""
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for i = 1, #s do
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@@ -150,35 +126,51 @@ local function to_alnum_underscore(s)
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end
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return out
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end
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local function pad_right(s, width)
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while #s < width do s = s .. " " end
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return s
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end
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local function pad_right(s, w) return s .. string.rep(" ", w - #s) end
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-- ============================================================
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-- Lexer helpers
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-- ============================================================
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local function skip_ws_and_comments(source, i)
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local len = #source
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while i <= len do
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local c = source:sub(i, i)
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if is_space(c) then
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-- If position i starts a C string literal ("..."), char literal ('.'),
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-- // line comment, or /* block comment, advance past it and return the
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-- position just after the construct (or #s+1 if unterminated).
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-- Otherwise return i unchanged.
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local function skip_str_or_cmt(s, i)
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local c = s:sub(i, i)
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if c == '"' or c == "'" then
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i = i + 1
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elseif c == "/" and source:sub(i+1, i+1) == "/" then
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while i <= len and source:sub(i, i) ~= "\n" do i = i + 1 end
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elseif c == "/" and source:sub(i+1, i+1) == "*" then
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while i <= #s do
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if s:sub(i, i) == "\\" then i = i + 2
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elseif s:sub(i, i) == c then return i + 1
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else i = i + 1 end
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end
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return #s + 1
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elseif c == "/" then
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local nx = s:sub(i+1, i+1)
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if nx == "/" then
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while i <= #s and s:sub(i, i) ~= "\n" do i = i + 1 end
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return i
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elseif nx == "*" then
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i = i + 2
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while i <= len - 1 do
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if source:sub(i, i) == "*" and source:sub(i+1, i+1) == "/" then
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i = i + 2
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break
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while i <= #s - 1 do
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if s:sub(i, i) == "*" and s:sub(i+1, i+1) == "/" then
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return i + 2
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end
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i = i + 1
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end
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return #s + 1
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end
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end
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return i
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end
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local function skip_ws_and_cmt(s, i)
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while i <= #s do
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if is_space(s:sub(i, i)) then i = i + 1
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else
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break
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local nx = skip_str_or_cmt(s, i)
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if nx > i then i = nx else break end
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end
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end
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return i
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@@ -192,14 +184,14 @@ local function read_ident(source, i)
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return source:sub(a, i - 1), i
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end
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local function read_balanced(source, open_char, close_char, i)
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if source:sub(i, i) ~= open_char then return nil, i end
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local function read_balanced(s, open_char, close_char, i)
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if s:sub(i, i) ~= open_char then return nil, i end
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i = i + 1
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local len = #source
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local len = #s
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local depth = 1
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local a = i
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while i <= len and depth > 0 do
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local c = source:sub(i, i)
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local c = s:sub(i, i)
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if c == open_char then
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depth = depth + 1
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i = i + 1
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@@ -207,81 +199,31 @@ local function read_balanced(source, open_char, close_char, i)
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depth = depth - 1
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if depth == 0 then break end
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i = i + 1
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elseif c == '"' then
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i = i + 1
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while i <= len do
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if source:sub(i, i) == "\\" then i = i + 2
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elseif source:sub(i, i) == '"' then i = i + 1; break
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else i = i + 1 end
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end
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elseif c == "'" then
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i = i + 1
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while i <= len do
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if source:sub(i, i) == "\\" then i = i + 2
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elseif source:sub(i, i) == "'" then i = i + 1; break
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else i = i + 1 end
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end
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elseif c == "/" and source:sub(i+1, i+1) == "/" then
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while i <= len and source:sub(i, i) ~= "\n" do i = i + 1 end
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elseif c == "/" and source:sub(i+1, i+1) == "*" then
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i = i + 2
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while i <= len - 1 do
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if source:sub(i, i) == "*" and source:sub(i+1, i+1) == "/" then
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i = i + 2
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break
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end
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i = i + 1
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end
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else
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i = i + 1
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local nx = skip_str_or_cmt(s, i)
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if nx > i then i = nx else i = i + 1 end
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end
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end
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return source:sub(a, i - 1), i + 1
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return s:sub(a, i - 1), i + 1
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end
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local function read_parens(source, i) return read_balanced(source, "(", ")", i) end
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local function read_braces(source, i) return read_balanced(source, "{", "}", i) end
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local function read_brackets(source, i) return read_balanced(source, "[", "]", i) end
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local read_parens = function(s, i) return read_balanced(s, "(", ")", i) end
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local read_braces = function(s, i) return read_balanced(s, "{", "}", i) end
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local read_brackets = function(s, i) return read_balanced(s, "[", "]", i) end
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local function scan_to_char(source, target, start)
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local len = #source
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local function scan_to_char(s, target, start)
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local i = start
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while i <= len do
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local c = source:sub(i, i)
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if c == target then return i
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elseif c == "(" then local _, a = read_parens(source, i); i = a
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elseif c == "{" then local _, a = read_braces(source, i); i = a
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elseif c == "[" then local _, a = read_brackets(source, i); i = a
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elseif c == '"' then
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i = i + 1
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while i <= len do
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if source:sub(i, i) == "\\" then i = i + 2
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elseif source:sub(i, i) == '"' then i = i + 1; break
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else i = i + 1 end
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end
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elseif c == "'" then
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i = i + 1
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while i <= len do
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if source:sub(i, i) == "\\" then i = i + 2
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elseif source:sub(i, i) == "'" then i = i + 1; break
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else i = i + 1 end
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end
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elseif c == "/" and source:sub(i+1, i+1) == "/" then
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while i <= len and source:sub(i, i) ~= "\n" do i = i + 1 end
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elseif c == "/" and source:sub(i+1, i+1) == "*" then
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i = i + 2
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while i <= len - 1 do
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if source:sub(i, i) == "*" and source:sub(i+1, i+1) == "/" then
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i = i + 2
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break
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end
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i = i + 1
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end
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while i <= #s do
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local c = s:sub(i, i)
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if c == target then return i end
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if c == "(" then local _, a = read_balanced(s, "(", ")", i); i = a
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elseif c == "{" then local _, a = read_balanced(s, "{", "}", i); i = a
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elseif c == "[" then local _, a = read_balanced(s, "[", "]", i); i = a
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else
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i = i + 1
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local nx = skip_str_or_cmt(s, i)
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if nx > i then i = nx else i = i + 1 end
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end
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end
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return nil
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end
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-- ============================================================
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@@ -290,7 +232,7 @@ end
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-- ============================================================
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local function extract_ident_args(token, after_ident)
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local arg_start = skip_ws_and_comments(token, after_ident)
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local arg_start = skip_ws_and_cmt(token, after_ident)
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if token:sub(arg_start, arg_start) ~= "(" then return {}, nil end
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local inner, after_paren = read_parens(token, arg_start)
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@@ -298,7 +240,7 @@ local function extract_ident_args(token, after_ident)
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local n = 1
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local len = #inner
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while n <= len do
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n = skip_ws_and_comments(inner, n)
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n = skip_ws_and_cmt(inner, n)
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if n > len then break end
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local ident, after = read_ident(inner, n)
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if ident and ident ~= "" then
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@@ -307,7 +249,7 @@ local function extract_ident_args(token, after_ident)
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else
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n = n + 1
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end
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n = skip_ws_and_comments(inner, n)
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n = skip_ws_and_cmt(inner, n)
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if n <= len and inner:sub(n, n) == "," then n = n + 1 end
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end
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@@ -333,8 +275,7 @@ local function load_word_counts(metadata_path)
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local inner = trimmed:sub(#prefix + 1, #trimmed - 1)
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local comma = find_byte(inner, ",", 1)
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if comma then
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counts[trim(inner:sub(1, comma - 1))] =
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tonumber(trim(inner:sub(comma + 1)))
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counts[trim(inner:sub(1, comma - 1))] = tonumber(trim(inner:sub(comma + 1)))
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end
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end
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i = line_end + 1
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@@ -346,19 +287,15 @@ end
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-- Count words for a single comma-separated token
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-- ============================================================
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local function word_count_of_token(token, word_counts)
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local i = 1
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local len = #token
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while i <= len and is_space(token:sub(i, i)) do i = i + 1 end
|
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if i > len then return 0 end
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local name, after = read_ident(token, i)
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local function word_count_of_token(token, wc)
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local s = trim(token)
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if s == "" then return 0 end
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local name, after = read_ident(s, 1)
|
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if not name then return 1 end
|
||||
local j = skip_ws_and_comments(token, after)
|
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if token:sub(j, j) == "(" then
|
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local wc = word_counts[name]
|
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if wc then return wc end
|
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if wc[name] then return wc[name] end
|
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local j = skip_ws_and_cmt(s, after)
|
||||
if s:sub(j, j) == "(" then
|
||||
io.stderr:write(" warning: unknown macro '" .. name .. "', assuming 1 word\n")
|
||||
return 1
|
||||
end
|
||||
return 1
|
||||
end
|
||||
@@ -369,48 +306,23 @@ end
|
||||
|
||||
local function split_top_level_commas(body)
|
||||
local tokens = {}
|
||||
local len = #body
|
||||
local i = 1
|
||||
local token_start = 1
|
||||
while i <= len do
|
||||
while i <= #body do
|
||||
local c = body:sub(i, i)
|
||||
if c == "(" then local _, a = read_parens(body, i); i = a
|
||||
elseif c == "{" then local _, a = read_braces(body, i); i = a
|
||||
elseif c == "[" then local _, a = read_brackets(body, i); i = a
|
||||
elseif c == '"' then
|
||||
i = i + 1
|
||||
while i <= len do
|
||||
if body:sub(i, i) == "\\" then i = i + 2
|
||||
elseif body:sub(i, i) == '"' then i = i + 1; break
|
||||
else i = i + 1 end
|
||||
end
|
||||
elseif c == "'" then
|
||||
i = i + 1
|
||||
while i <= len do
|
||||
if body:sub(i, i) == "\\" then i = i + 2
|
||||
elseif body:sub(i, i) == "'" then i = i + 1; break
|
||||
else i = i + 1 end
|
||||
end
|
||||
elseif c == "/" and body:sub(i+1, i+1) == "/" then
|
||||
while i <= len and body:sub(i, i) ~= "\n" do i = i + 1 end
|
||||
elseif c == "/" and body:sub(i+1, i+1) == "*" then
|
||||
i = i + 2
|
||||
while i <= len - 1 do
|
||||
if body:sub(i, i) == "*" and body:sub(i+1, i+1) == "/" then
|
||||
i = i + 2
|
||||
break
|
||||
end
|
||||
i = i + 1
|
||||
end
|
||||
elseif c == "," then
|
||||
table.insert(tokens, body:sub(token_start, i - 1))
|
||||
i = i + 1
|
||||
token_start = i
|
||||
else
|
||||
i = i + 1
|
||||
local nx = skip_str_or_cmt(body, i)
|
||||
if nx > i then i = nx else i = i + 1 end
|
||||
end
|
||||
end
|
||||
local last = body:sub(token_start, len)
|
||||
local last = body:sub(token_start)
|
||||
if trim(last) ~= "" then table.insert(tokens, last) end
|
||||
return tokens
|
||||
end
|
||||
@@ -424,35 +336,10 @@ local function scan_for_atom_markers(token, at_pos, labels, branches)
|
||||
local i = 1
|
||||
local len = #token
|
||||
while i <= len do
|
||||
i = skip_ws_and_comments(token, i)
|
||||
i = skip_ws_and_cmt(token, i)
|
||||
if i > len then break end
|
||||
local c = token:sub(i, i)
|
||||
if c == '"' then
|
||||
i = i + 1
|
||||
while i <= len do
|
||||
if token:sub(i, i) == "\\" then i = i + 2
|
||||
elseif token:sub(i, i) == '"' then i = i + 1; break
|
||||
else i = i + 1 end
|
||||
end
|
||||
elseif c == "'" then
|
||||
i = i + 1
|
||||
while i <= len do
|
||||
if token:sub(i, i) == "\\" then i = i + 2
|
||||
elseif token:sub(i, i) == "'" then i = i + 1; break
|
||||
else i = i + 1 end
|
||||
end
|
||||
elseif c == "/" and token:sub(i+1, i+1) == "/" then
|
||||
while i <= len and token:sub(i, i) ~= "\n" do i = i + 1 end
|
||||
elseif c == "/" and token:sub(i+1, i+1) == "*" then
|
||||
i = i + 2
|
||||
while i <= len - 1 do
|
||||
if token:sub(i, i) == "*" and token:sub(i+1, i+1) == "/" then
|
||||
i = i + 2
|
||||
break
|
||||
end
|
||||
i = i + 1
|
||||
end
|
||||
elseif is_alpha(c) then
|
||||
if is_alpha(c) then
|
||||
local ident, after = read_ident(token, i)
|
||||
if ident == "atom_label" then
|
||||
local args, after_paren = extract_ident_args(token, after)
|
||||
@@ -460,19 +347,14 @@ local function scan_for_atom_markers(token, at_pos, labels, branches)
|
||||
if after_paren then i = after_paren else i = after end
|
||||
elseif ident == "atom_offset" then
|
||||
local args, after_paren = extract_ident_args(token, after)
|
||||
if #args >= 2 then
|
||||
table.insert(branches, {
|
||||
pos = at_pos,
|
||||
target = args[2],
|
||||
tag = args[1]
|
||||
})
|
||||
end
|
||||
if #args >= 2 then table.insert(branches, {pos = at_pos, target = args[2], tag = args[1]}) end
|
||||
if after_paren then i = after_paren else i = after end
|
||||
else
|
||||
i = after
|
||||
end
|
||||
else
|
||||
i = i + 1
|
||||
local nx = skip_str_or_cmt(token, i)
|
||||
if nx > i then i = nx else i = i + 1 end
|
||||
end
|
||||
end
|
||||
end
|
||||
@@ -485,13 +367,11 @@ local function scan_atom_body(body, word_counts)
|
||||
local pos = 0
|
||||
local labels = {}
|
||||
local branches = {}
|
||||
|
||||
for _, tok in ipairs(split_top_level_commas(body)) do
|
||||
local k = 1
|
||||
local tlen = #tok
|
||||
while k <= tlen and is_space(tok:sub(k, k)) do k = k + 1 end
|
||||
local leading_ident, leading_after = read_ident(tok, k)
|
||||
|
||||
local leading_ident = read_ident(tok, k)
|
||||
if leading_ident == "atom_label" or leading_ident == "atom_offset" then
|
||||
scan_for_atom_markers(tok, pos, labels, branches)
|
||||
else
|
||||
@@ -500,7 +380,6 @@ local function scan_atom_body(body, word_counts)
|
||||
pos = pos + words
|
||||
end
|
||||
end
|
||||
|
||||
return labels, branches, pos
|
||||
end
|
||||
|
||||
@@ -508,23 +387,15 @@ end
|
||||
-- Find every MipsAtom_(name) { ... } in a source
|
||||
-- ============================================================
|
||||
|
||||
local function has_prefix(s, prefix)
|
||||
if #s < #prefix then return false end
|
||||
for i = 1, #prefix do
|
||||
if s:sub(i, i) ~= prefix:sub(i, i) then return false end
|
||||
end
|
||||
return true
|
||||
end
|
||||
|
||||
local function skip_qualifiers(source, i)
|
||||
local keywords = {
|
||||
["static"]=true, ["const"]=true, ["volatile"]=true,
|
||||
["extern"]=true, ["register"]=true, ["auto"]=true,
|
||||
["inline"]=true, ["typedef"]=true,
|
||||
["internal"]=true, ["LP_"]=true, ["global"]=true, ["gkknown"]=true
|
||||
["static"] = true, ["const"] = true, ["volatile"] = true,
|
||||
["extern"] = true, ["register"] = true, ["auto"] = true,
|
||||
["inline"] = true, ["typedef"] = true,
|
||||
["internal"]= true, ["LP_"] = true, ["global"] = true, ["gkknown"] = true
|
||||
}
|
||||
while true do
|
||||
i = skip_ws_and_comments(source, i)
|
||||
i = skip_ws_and_cmt(source, i)
|
||||
local ident, after = read_ident(source, i)
|
||||
if not ident then return i end
|
||||
if keywords[ident] then i = after else return i end
|
||||
@@ -537,7 +408,7 @@ local function find_atoms(source_text)
|
||||
local i = 1
|
||||
|
||||
local function try_wrapped(after_pos)
|
||||
local paren_pos = skip_ws_and_comments(source_text, after_pos)
|
||||
local paren_pos = skip_ws_and_cmt(source_text, after_pos)
|
||||
if source_text:sub(paren_pos, paren_pos) ~= "(" then return nil end
|
||||
local inner, after_paren = read_parens(source_text, paren_pos)
|
||||
local n = 1
|
||||
@@ -553,10 +424,10 @@ local function find_atoms(source_text)
|
||||
end
|
||||
|
||||
local function try_raw(after_pos)
|
||||
local next_pos = skip_ws_and_comments(source_text, after_pos)
|
||||
local next_pos = skip_ws_and_cmt(source_text, after_pos)
|
||||
local next_ident, next_after = read_ident(source_text, next_pos)
|
||||
if not next_ident then return nil end
|
||||
if not has_prefix(next_ident, "code_") then return nil end
|
||||
if not starts_with(next_ident, "code_") then return nil end
|
||||
if #next_ident <= 5 then return nil end
|
||||
local atom_name = next_ident:sub(6)
|
||||
local brace_pos = scan_to_char(source_text, "{", next_after)
|
||||
@@ -566,11 +437,8 @@ local function find_atoms(source_text)
|
||||
end
|
||||
|
||||
while i <= len do
|
||||
i = skip_ws_and_comments(source_text, i)
|
||||
if i > len then break end
|
||||
i = skip_qualifiers(source_text, i)
|
||||
if i > len then break end
|
||||
|
||||
i = skip_ws_and_cmt(source_text, i); if i > len then break end
|
||||
i = skip_qualifiers(source_text, i); if i > len then break end
|
||||
local ident, after = read_ident(source_text, i)
|
||||
if not ident then
|
||||
i = i + 1
|
||||
@@ -606,14 +474,9 @@ local function compute_offsets(labels, branches)
|
||||
for _, br in ipairs(branches) do
|
||||
local target = labels[br.target]
|
||||
if not target then
|
||||
error("Branch target '" .. br.target ..
|
||||
"' has no atom_label (at word " .. br.pos .. ")")
|
||||
error("Branch target '" .. br.target .. "' has no atom_label (at word " .. br.pos .. ")")
|
||||
end
|
||||
table.insert(results, {
|
||||
target = br.target,
|
||||
tag = br.tag,
|
||||
offset = target - br.pos - 1
|
||||
})
|
||||
table.insert(results, {target = br.target, tag = br.tag, offset = target - br.pos - 1 })
|
||||
end
|
||||
return results
|
||||
end
|
||||
@@ -639,13 +502,10 @@ local function generate_header(source_path, atoms_data)
|
||||
add("#undef atom_offset")
|
||||
add("#define atom_offset(tag, name) atom_offset_##tag##_##name")
|
||||
add("")
|
||||
|
||||
for _, atom in ipairs(atoms_data) do
|
||||
if #atom.offsets > 0 then
|
||||
add("// --- atom: " .. atom.name .. " (" .. atom.total_words .. " words) ---")
|
||||
add("")
|
||||
|
||||
-- Build constant list once
|
||||
local consts = {}
|
||||
for _, r in ipairs(atom.offsets) do
|
||||
table.insert(consts, {
|
||||
@@ -654,27 +514,14 @@ local function generate_header(source_path, atoms_data)
|
||||
value = r.offset
|
||||
})
|
||||
end
|
||||
|
||||
-- Macro form: single source of truth for the literal value.
|
||||
-- Underscore prefix keeps it out of the C namespace so the
|
||||
-- enum can use the same identifier name without conflict.
|
||||
for _, c in ipairs(consts) do
|
||||
add("#define " .. pad_right(c.macro_name, 44) .. " " .. c.value .. "")
|
||||
end
|
||||
for _, c in ipairs(consts) do add("#define " .. pad_right(c.macro_name, 44) .. " " .. c.value .. "") end
|
||||
add("")
|
||||
|
||||
-- Enum form: C code uses the natural name, value comes
|
||||
-- from the underscore-prefixed macro so the literal is
|
||||
-- defined in exactly one place.
|
||||
add("enum {")
|
||||
for _, c in ipairs(consts) do
|
||||
add(" " .. c.enum_name .. " = " .. c.macro_name .. ",")
|
||||
end
|
||||
for _, c in ipairs(consts) do add(" " .. c.enum_name .. " = " .. c.macro_name .. ",") end
|
||||
add("};")
|
||||
add("")
|
||||
end
|
||||
end
|
||||
|
||||
add("#pragma endregion " .. basename)
|
||||
add("")
|
||||
return table.concat(lines, "\n") .. "\n"
|
||||
@@ -729,11 +576,8 @@ local function main(args)
|
||||
print("Usage: gen_atom_offsets.lua <metadata.h> <source1> [source2 ...]")
|
||||
os.exit(1)
|
||||
end
|
||||
local metadata_path = args[1]
|
||||
local sources = {}
|
||||
for i = 2, #args do table.insert(sources, args[i]) end
|
||||
local word_counts = load_word_counts(metadata_path)
|
||||
for _, src in ipairs(sources) do process_source(src, word_counts) end
|
||||
local word_counts = load_word_counts(args[1])
|
||||
for i = 2, #args do process_source(args[i], word_counts) end
|
||||
end
|
||||
|
||||
main({...})
|
||||
|
||||
Reference in New Issue
Block a user