2022-06-01 09:09:27 +08:00
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const std = @import("std");
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2022-06-03 09:41:57 +08:00
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const Builder = std.build.Builder;
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const LibExeObjStep = std.build.LibExeObjStep;
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2022-10-04 10:20:17 +08:00
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const LuaVersion = enum {
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lua_51,
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lua_52,
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lua_53,
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lua_54,
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lua_jit,
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};
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fn libPath(version: LuaVersion) []const u8 {
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return switch (version) {
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.lua_51 => "src/ziglua-5.1/lib.zig",
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.lua_52 => "src/ziglua-5.2/lib.zig",
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.lua_53 => "src/ziglua-5.3/lib.zig",
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.lua_54 => "src/ziglua-5.4/lib.zig",
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else => unreachable,
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// .lua_jit => "src/ziglua-jit/lib.zig",
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};
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}
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2022-06-03 09:41:57 +08:00
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pub fn build(b: *Builder) void {
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2022-10-04 10:20:17 +08:00
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const version = b.option(LuaVersion, "version", "lua version to test") orelse .lua_54;
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2022-06-01 09:09:27 +08:00
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2022-10-04 10:20:17 +08:00
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const tests = b.addTest(switch (version) {
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.lua_51 => "src/ziglua-5.1/tests.zig",
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.lua_52 => "src/ziglua-5.2/tests.zig",
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.lua_53 => "src/ziglua-5.3/tests.zig",
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.lua_54 => "src/ziglua-5.4/tests.zig",
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else => unreachable,
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});
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link(b, tests, libPath(version), .{ .use_apicheck = true, .version = version });
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2022-06-01 09:09:27 +08:00
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2022-06-03 06:01:41 +08:00
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const test_step = b.step("test", "Run ziglua library tests");
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2022-06-01 09:09:27 +08:00
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test_step.dependOn(&tests.step);
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}
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fn dir() []const u8 {
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return std.fs.path.dirname(@src().file) orelse ".";
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}
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2022-06-03 09:41:57 +08:00
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const Options = struct {
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/// Defines the macro LUA_USE_APICHECK in debug builds
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use_apicheck: bool = false,
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2022-10-04 10:20:17 +08:00
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/// Defines the Lua version to build and link
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version: LuaVersion = .lua_54,
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2022-06-03 09:41:57 +08:00
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};
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2022-10-04 10:20:17 +08:00
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pub fn linkAndPackage(b: *Builder, step: *LibExeObjStep, options: Options) std.build.Pkg {
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const lib_path = libPath(options.version);
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link(b, step, lib_path, options);
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return .{
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.name = "ziglua",
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.path = .{ .path = std.fs.path.join(b.allocator, &.{ dir(), lib_path }) catch unreachable },
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};
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}
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// TODO: expose the link and package steps separately for advanced use cases?
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fn link(b: *Builder, step: *LibExeObjStep, lib_path: []const u8, options: Options) void {
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const lib = buildLua(b, step, lib_path, options);
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2022-06-01 09:09:27 +08:00
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step.linkLibrary(lib);
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step.linkLibC();
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}
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2022-10-04 10:20:17 +08:00
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// TODO: how to test all versions? May need a make/help script to test all
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// versions separately because there might be name collisions
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fn buildLua(b: *Builder, step: *LibExeObjStep, lib_path: []const u8, options: Options) *LibExeObjStep {
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const lib_dir = switch (options.version) {
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.lua_51 => "lib/lua-5.1.5/src/",
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.lua_52 => "lib/lua-5.2.4/src/",
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.lua_53 => "lib/lua-5.3.6/src/",
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.lua_54 => "lib/lua-5.4.4/src/",
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else => unreachable,
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// .lua_jit => "lib/lua-5.4.4/src/",
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};
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2022-06-01 09:09:27 +08:00
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2022-10-04 10:20:17 +08:00
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const absolute_lib_path = std.fs.path.join(b.allocator, &.{ dir(), lib_path }) catch unreachable;
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const lib = b.addStaticLibrary("lua", absolute_lib_path);
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2022-06-01 09:09:27 +08:00
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lib.setBuildMode(step.build_mode);
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lib.setTarget(step.target);
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2022-06-03 09:41:57 +08:00
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const apicheck = step.build_mode == .Debug and options.use_apicheck;
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2022-06-01 09:09:27 +08:00
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step.addIncludeDir(std.fs.path.join(b.allocator, &.{ dir(), lib_dir }) catch unreachable);
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const target = (std.zig.system.NativeTargetInfo.detect(b.allocator, lib.target) catch unreachable).target;
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2022-06-03 09:41:57 +08:00
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const flags = [_][]const u8{
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// Standard version used in Lua Makefile
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"-std=gnu99",
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// Define target-specific macro
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switch (target.os.tag) {
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.linux => "-DLUA_USE_LINUX",
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.macos => "-DLUA_USE_MACOSX",
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.windows => "-DLUA_USE_WINDOWS",
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else => "-DLUA_USE_POSIX",
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2022-06-01 09:09:27 +08:00
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},
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2022-06-03 09:41:57 +08:00
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// Enable api check if desired
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if (apicheck) "-DLUA_USE_APICHECK" else "",
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2022-06-01 09:09:27 +08:00
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};
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2022-10-04 10:20:17 +08:00
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const lua_source_files = switch (options.version) {
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.lua_51 => &lua_51_source_files,
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.lua_52 => &lua_52_source_files,
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.lua_53 => &lua_53_source_files,
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.lua_54 => &lua_54_source_files,
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else => unreachable,
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// .lua_jit => &lua_jit_source_files,
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};
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for (lua_source_files) |file| {
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const path = std.fs.path.join(b.allocator, &.{ dir(), lib_dir, file }) catch unreachable;
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2022-06-01 09:09:27 +08:00
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step.addCSourceFile(path, &flags);
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}
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return lib;
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}
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2022-10-04 10:20:17 +08:00
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const lua_51_source_files = [_][]const u8 {
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"lapi.c",
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"lcode.c",
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"ldebug.c",
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"ldo.c",
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"ldump.c",
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"lfunc.c",
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"lgc.c",
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"llex.c",
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"lmem.c",
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"lobject.c",
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"lopcodes.c",
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"lparser.c",
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"lstate.c",
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"lstring.c",
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"ltable.c",
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"ltm.c",
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"lundump.c",
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"lvm.c",
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"lzio.c",
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"lauxlib.c",
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"lbaselib.c",
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"ldblib.c",
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"liolib.c",
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"lmathlib.c",
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"loslib.c",
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"ltablib.c",
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"lstrlib.c",
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"loadlib.c",
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"linit.c",
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};
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const lua_52_source_files = [_][]const u8 {
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"lapi.c",
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"lcode.c",
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"lctype.c",
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"ldebug.c",
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"ldo.c",
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"ldump.c",
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"lfunc.c",
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"lgc.c",
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"llex.c",
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"lmem.c",
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"lobject.c",
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"lopcodes.c",
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"lparser.c",
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"lstate.c",
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"lstring.c",
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"ltable.c",
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"ltm.c",
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"lundump.c",
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"lvm.c",
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"lzio.c",
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"lauxlib.c",
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"lbaselib.c",
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"lbitlib.c",
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"lcorolib.c",
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"ldblib.c",
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"liolib.c",
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"lmathlib.c",
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"loslib.c",
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"lstrlib.c",
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"ltablib.c",
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"loadlib.c",
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"linit.c",
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};
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const lua_53_source_files = [_][]const u8{
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"lapi.c",
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"lcode.c",
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"lctype.c",
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"ldebug.c",
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"ldo.c",
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"ldump.c",
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"lfunc.c",
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"lgc.c",
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"llex.c",
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"lmem.c",
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"lobject.c",
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"lopcodes.c",
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"lparser.c",
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"lstate.c",
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"lstring.c",
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"ltable.c",
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"ltm.c",
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"lundump.c",
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"lvm.c",
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"lzio.c",
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"lauxlib.c",
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"lbaselib.c",
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"lbitlib.c",
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"lcorolib.c",
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"ldblib.c",
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"liolib.c",
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"lmathlib.c",
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"loslib.c",
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"lstrlib.c",
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"ltablib.c",
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"lutf8lib.c",
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"loadlib.c",
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"linit.c",
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};
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const lua_54_source_files = [_][]const u8{
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2022-06-01 09:09:27 +08:00
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"lapi.c",
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"lcode.c",
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"lctype.c",
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"ldebug.c",
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"ldo.c",
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"ldump.c",
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"lfunc.c",
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"lgc.c",
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"llex.c",
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"lmem.c",
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"lobject.c",
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"lopcodes.c",
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"lparser.c",
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"lstate.c",
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"lstring.c",
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"ltable.c",
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"ltm.c",
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"lundump.c",
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"lvm.c",
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"lzio.c",
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"lauxlib.c",
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"lbaselib.c",
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"lcorolib.c",
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"ldblib.c",
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"liolib.c",
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"lmathlib.c",
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"loadlib.c",
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"loslib.c",
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"lstrlib.c",
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"ltablib.c",
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"lutf8lib.c",
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"linit.c",
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};
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