278 lines
6.8 KiB
Zig
278 lines
6.8 KiB
Zig
const std = @import("std");
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const Build = std.Build;
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pub 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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pub fn build(b: *Build) void {
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// Remove the default install and uninstall steps
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b.top_level_steps = .{};
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const target = b.standardTargetOptions(.{});
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const optimize = b.standardOptimizeOption(.{});
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const lua_version = b.option(LuaVersion, "version", "Lua API and library version") orelse .lua_54;
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const shared = b.option(bool, "shared", "Build shared library instead of static") orelse false;
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// Zig module
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const ziglua = b.addModule("ziglua", .{
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.source_file = switch (lua_version) {
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.lua_51 => .{ .path = "src/ziglua-5.1/lib.zig" },
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.lua_52 => .{ .path = "src/ziglua-5.2/lib.zig" },
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.lua_53 => .{ .path = "src/ziglua-5.3/lib.zig" },
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.lua_54 => .{ .path = "src/ziglua-5.4/lib.zig" },
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},
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});
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// Lua library artifact
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const lib_opts = .{
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.name = "lua",
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.target = target,
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.optimize = optimize,
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.version = switch (lua_version) {
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.lua_51 => std.SemanticVersion{ .major = 5, .minor = 1, .patch = 5 },
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.lua_52 => std.SemanticVersion{ .major = 5, .minor = 2, .patch = 4 },
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.lua_53 => std.SemanticVersion{ .major = 5, .minor = 3, .patch = 6 },
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.lua_54 => std.SemanticVersion{ .major = 5, .minor = 4, .patch = 6 },
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},
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};
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const lib = if (shared)
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b.addSharedLibrary(lib_opts)
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else
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b.addStaticLibrary(lib_opts);
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const lib_dir = switch (lua_version) {
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.lua_51 => "lib/lua-5.1/src",
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.lua_52 => "lib/lua-5.2/src",
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.lua_53 => "lib/lua-5.3/src",
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.lua_54 => "lib/lua-5.4/src",
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};
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lib.addIncludePath(.{ .path = lib_dir });
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const os_tag = target.os_tag orelse
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(std.zig.system.NativeTargetInfo.detect(target) catch unreachable).target.os.tag;
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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 (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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},
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// Enable api check
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if (optimize == .Debug) "-DLUA_USE_APICHECK" else "",
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};
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const lua_source_files = switch (lua_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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};
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for (lua_source_files) |file| {
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const path = std.fs.path.join(b.allocator, &.{ lib_dir, file }) catch unreachable;
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lib.addCSourceFile(.{ .file = .{ .path = path }, .flags = &flags });
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}
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lib.linkLibC();
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lib.installHeader(b.pathJoin(&.{ lib_dir, "lua.h" }), "lua/lua.h");
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lib.installHeader(b.pathJoin(&.{ lib_dir, "lualib.h" }), "lua/lualib.h");
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lib.installHeader(b.pathJoin(&.{ lib_dir, "lauxlib.h" }), "lua/lauxlib.h");
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lib.installHeader(b.pathJoin(&.{ lib_dir, "luaconf.h" }), "lua/luaconf.h");
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b.installArtifact(lib);
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// Tests
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const tests = b.addTest(.{
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.root_source_file = switch (lua_version) {
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.lua_51 => .{ .path = "src/ziglua-5.1/tests.zig" },
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.lua_52 => .{ .path = "src/ziglua-5.2/tests.zig" },
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.lua_53 => .{ .path = "src/ziglua-5.3/tests.zig" },
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.lua_54 => .{ .path = "src/ziglua-5.4/tests.zig" },
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},
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.optimize = optimize,
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});
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tests.addIncludePath(.{ .path = lib_dir });
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tests.linkLibrary(lib);
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const test_step = b.step("test", "Run ziglua tests");
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test_step.dependOn(&tests.step);
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// Examples
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const examples = [_]struct { []const u8, []const u8 }{
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.{ "interpreter", "examples/interpreter.zig" },
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.{ "zig-function", "examples/zig-fn.zig" },
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};
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for (examples) |example| {
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const exe = b.addExecutable(.{
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.name = example[0],
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.root_source_file = .{ .path = example[1] },
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.target = target,
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.optimize = optimize,
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});
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exe.addModule("ziglua", ziglua);
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exe.linkLibrary(lib);
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const artifact = b.addInstallArtifact(exe, .{});
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const exe_step = b.step(b.fmt("install-example-{s}", .{example[0]}), b.fmt("Install {s} example", .{example[0]}));
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exe_step.dependOn(&artifact.step);
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const run_cmd = b.addRunArtifact(exe);
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run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| run_cmd.addArgs(args);
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const run_step = b.step(b.fmt("run-example-{s}", .{example[0]}), b.fmt("Run {s} example", .{example[0]}));
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run_step.dependOn(&run_cmd.step);
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}
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}
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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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"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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