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-rw-r--r--src/luaconf.js178
1 files changed, 159 insertions, 19 deletions
diff --git a/src/luaconf.js b/src/luaconf.js
index 0843703..7a6fe40 100644
--- a/src/luaconf.js
+++ b/src/luaconf.js
@@ -1,5 +1,134 @@
"use strict";
+const conf = (process.env.FENGARICONF ? JSON.parse(process.env.FENGARICONF) : {});
+
+const {
+ LUA_VERSION_MAJOR,
+ LUA_VERSION_MINOR,
+ to_luastring
+} = require('./defs.js');
+
+/*
+** LUA_PATH_SEP is the character that separates templates in a path.
+** LUA_PATH_MARK is the string that marks the substitution points in a
+** template.
+** LUA_EXEC_DIR in a Windows path is replaced by the executable's
+** directory.
+*/
+const LUA_PATH_SEP = ";";
+module.exports.LUA_PATH_SEP = LUA_PATH_SEP;
+
+const LUA_PATH_MARK = "?";
+module.exports.LUA_PATH_MARK = LUA_PATH_MARK;
+
+const LUA_EXEC_DIR = "!";
+module.exports.LUA_EXEC_DIR = LUA_EXEC_DIR;
+
+/*
+@@ LUA_PATH_DEFAULT is the default path that Lua uses to look for
+** Lua libraries.
+@@ LUA_JSPATH_DEFAULT is the default path that Lua uses to look for
+** JS libraries.
+** CHANGE them if your machine has a non-conventional directory
+** hierarchy or if you want to install your libraries in
+** non-conventional directories.
+*/
+const LUA_VDIR = LUA_VERSION_MAJOR + "." + LUA_VERSION_MINOR;
+module.exports.LUA_VDIR = LUA_VDIR;
+
+if (typeof process === "undefined") {
+ const LUA_DIRSEP = "/";
+ module.exports.LUA_DIRSEP = LUA_DIRSEP;
+
+ const LUA_LDIR = "./lua/" + LUA_VDIR + "/";
+ module.exports.LUA_LDIR = LUA_LDIR;
+
+ const LUA_JSDIR = "./lua/" + LUA_VDIR + "/";
+ module.exports.LUA_JSDIR = LUA_JSDIR;
+
+ const LUA_PATH_DEFAULT = to_luastring(
+ LUA_LDIR + "?.lua;" + LUA_LDIR + "?/init.lua;" +
+ LUA_JSDIR + "?.lua;" + LUA_JSDIR + "?/init.lua;" +
+ "./?.lua;./?/init.lua"
+ );
+ module.exports.LUA_PATH_DEFAULT = LUA_PATH_DEFAULT;
+
+ const LUA_JSPATH_DEFAULT = to_luastring(
+ LUA_JSDIR + "?.js;" + LUA_JSDIR + "loadall.js;./?.js"
+ );
+ module.exports.LUA_JSPATH_DEFAULT = LUA_JSPATH_DEFAULT;
+} else if (require('os').platform() === 'win32') {
+ const LUA_DIRSEP = "\\";
+ module.exports.LUA_DIRSEP = LUA_DIRSEP;
+
+ /*
+ ** In Windows, any exclamation mark ('!') in the path is replaced by the
+ ** path of the directory of the executable file of the current process.
+ */
+ const LUA_LDIR = "!\\lua\\";
+ module.exports.LUA_LDIR = LUA_LDIR;
+
+ const LUA_JSDIR = "!\\";
+ module.exports.LUA_JSDIR = LUA_JSDIR;
+
+ const LUA_SHRDIR = "!\\..\\share\\lua\\" + LUA_VDIR + "\\";
+ module.exports.LUA_SHRDIR = LUA_SHRDIR;
+
+ const LUA_PATH_DEFAULT = to_luastring(
+ LUA_LDIR + "?.lua;" + LUA_LDIR + "?\\init.lua;" +
+ LUA_JSDIR + "?.lua;" + LUA_JSDIR + "?\\init.lua;" +
+ LUA_SHRDIR + "?.lua;" + LUA_SHRDIR + "?\\init.lua;" +
+ ".\\?.lua;.\\?\\init.lua"
+ );
+ module.exports.LUA_PATH_DEFAULT = LUA_PATH_DEFAULT;
+
+ const LUA_JSPATH_DEFAULT = to_luastring(
+ LUA_JSDIR + "?.js;" +
+ LUA_JSDIR + "..\\share\\lua\\" + LUA_VDIR + "\\?.js;" +
+ LUA_JSDIR + "loadall.js;.\\?.js"
+ );
+ module.exports.LUA_JSPATH_DEFAULT = LUA_JSPATH_DEFAULT;
+} else {
+ const LUA_DIRSEP = "/";
+ module.exports.LUA_DIRSEP = LUA_DIRSEP;
+
+ const LUA_ROOT = "/usr/local/";
+ module.exports.LUA_ROOT = LUA_ROOT;
+ const LUA_ROOT2 = "/usr/";
+
+ const LUA_LDIR = LUA_ROOT + "share/lua/" + LUA_VDIR + "/";
+ const LUA_LDIR2 = LUA_ROOT2 + "share/lua/" + LUA_VDIR + "/";
+ module.exports.LUA_LDIR = LUA_LDIR;
+
+ const LUA_JSDIR = LUA_ROOT + "share/lua/" + LUA_VDIR + "/";
+ module.exports.LUA_JSDIR = LUA_JSDIR;
+ const LUA_JSDIR2 = LUA_ROOT2 + "share/lua/" + LUA_VDIR + "/";
+
+ const LUA_PATH_DEFAULT = to_luastring(
+ LUA_LDIR + "?.lua;" + LUA_LDIR + "?/init.lua;" +
+ LUA_LDIR2 + "?.lua;" + LUA_LDIR2 + "?/init.lua;" +
+ LUA_JSDIR + "?.lua;" + LUA_JSDIR + "?/init.lua;" +
+ LUA_JSDIR2 + "?.lua;" + LUA_JSDIR2 + "?/init.lua;" +
+ "./?.lua;./?/init.lua"
+ );
+ module.exports.LUA_PATH_DEFAULT = LUA_PATH_DEFAULT;
+
+ const LUA_JSPATH_DEFAULT = to_luastring(
+ LUA_JSDIR + "?.js;" + LUA_JSDIR + "loadall.js;" +
+ LUA_JSDIR2 + "?.js;" + LUA_JSDIR2 + "loadall.js;" +
+ "./?.js"
+ );
+ module.exports.LUA_JSPATH_DEFAULT = LUA_JSPATH_DEFAULT;
+}
+
+/*
+@@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a
+@@ a float mark ('.0').
+** This macro is not on by default even in compatibility mode,
+** because this is not really an incompatibility.
+*/
+const LUA_COMPAT_FLOATSTRING = conf.LUA_COMPAT_FLOATSTRING || false;
+
const LUA_MAXINTEGER = 2147483647;
const LUA_MININTEGER = -2147483648;
@@ -9,22 +138,21 @@ const LUA_MININTEGER = -2147483648;
** its only purpose is to stop Lua from consuming unlimited stack
** space (and to reserve some numbers for pseudo-indices).
*/
-/* TODO: put back to 1000000. Node would go out of memory in some cases (e.g. travis) */
-const LUAI_MAXSTACK = 100000;
+const LUAI_MAXSTACK = conf.LUAI_MAXSTACK || 1000000;
/*
@@ LUA_IDSIZE gives the maximum size for the description of the source
@@ of a function in debug information.
** CHANGE it if you want a different size.
*/
-const LUA_IDSIZE = 60-1; /* fengari uses 1 less than lua as we don't embed the null byte */
+const LUA_IDSIZE = conf.LUA_IDSIZE || (60-1); /* fengari uses 1 less than lua as we don't embed the null byte */
const lua_integer2str = function(n) {
return String(n); /* should match behaviour of LUA_INTEGER_FMT */
};
const lua_number2str = function(n) {
- return String(Number(n.toPrecision(n))); /* should match behaviour of LUA_NUMBER_FMT */
+ return String(Number(n.toPrecision(14))); /* should match behaviour of LUA_NUMBER_FMT */
};
const lua_numbertointeger = function(n) {
@@ -38,9 +166,18 @@ const LUA_INTEGER_FMT = `%${LUA_INTEGER_FRMLEN}d`;
const LUA_NUMBER_FMT = "%.14g";
const lua_getlocaledecpoint = function() {
- return (1.1).toLocaleString().substring(1, 2);
+ return (1.1).toLocaleString().charCodeAt(1);
+};
+
+const luai_apicheck = function(l, e) {
+ if (!e) throw Error(e);
};
+/*
+@@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
+*/
+const LUAL_BUFFERSIZE = conf.LUAL_BUFFERSIZE || 8192;
+
// See: http://croquetweak.blogspot.fr/2014/08/deconstructing-floats-frexp-and-ldexp.html
const frexp = function(value) {
if (value === 0) return [value, 0];
@@ -64,17 +201,20 @@ const ldexp = function(mantissa, exponent) {
return result;
};
-module.exports.LUAI_MAXSTACK = LUAI_MAXSTACK;
-module.exports.LUA_IDSIZE = LUA_IDSIZE;
-module.exports.LUA_INTEGER_FMT = LUA_INTEGER_FMT;
-module.exports.LUA_INTEGER_FRMLEN = LUA_INTEGER_FRMLEN;
-module.exports.LUA_MAXINTEGER = LUA_MAXINTEGER;
-module.exports.LUA_MININTEGER = LUA_MININTEGER;
-module.exports.LUA_NUMBER_FMT = LUA_NUMBER_FMT;
-module.exports.LUA_NUMBER_FRMLEN = LUA_NUMBER_FRMLEN;
-module.exports.frexp = frexp;
-module.exports.ldexp = ldexp;
-module.exports.lua_getlocaledecpoint = lua_getlocaledecpoint;
-module.exports.lua_integer2str = lua_integer2str;
-module.exports.lua_number2str = lua_number2str;
-module.exports.lua_numbertointeger = lua_numbertointeger;
+module.exports.LUAI_MAXSTACK = LUAI_MAXSTACK;
+module.exports.LUA_COMPAT_FLOATSTRING = LUA_COMPAT_FLOATSTRING;
+module.exports.LUA_IDSIZE = LUA_IDSIZE;
+module.exports.LUA_INTEGER_FMT = LUA_INTEGER_FMT;
+module.exports.LUA_INTEGER_FRMLEN = LUA_INTEGER_FRMLEN;
+module.exports.LUA_MAXINTEGER = LUA_MAXINTEGER;
+module.exports.LUA_MININTEGER = LUA_MININTEGER;
+module.exports.LUA_NUMBER_FMT = LUA_NUMBER_FMT;
+module.exports.LUA_NUMBER_FRMLEN = LUA_NUMBER_FRMLEN;
+module.exports.LUAL_BUFFERSIZE = LUAL_BUFFERSIZE;
+module.exports.frexp = frexp;
+module.exports.ldexp = ldexp;
+module.exports.lua_getlocaledecpoint = lua_getlocaledecpoint;
+module.exports.lua_integer2str = lua_integer2str;
+module.exports.lua_number2str = lua_number2str;
+module.exports.lua_numbertointeger = lua_numbertointeger;
+module.exports.luai_apicheck = luai_apicheck;