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authordaurnimator <quae@daurnimator.com>2018-01-11 23:33:34 +1100
committerdaurnimator <quae@daurnimator.com>2018-01-11 23:35:56 +1100
commita39f24f204a15cb4587e75b38424952fe444d9d2 (patch)
tree5047cd8b5b73bda87142405273c0dcc3203e71f4 /src/loadlib.js
parentb0b0b21f4394fabf41d6e3556f455a0a740f3f08 (diff)
downloadfengari-a39f24f204a15cb4587e75b38424952fe444d9d2.tar.gz
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Move fengari specific things to src/fengaricore.js
String manipulation functions now get exposed on 'fengari' object itself at top level
Diffstat (limited to 'src/loadlib.js')
-rw-r--r--src/loadlib.js95
1 files changed, 48 insertions, 47 deletions
diff --git a/src/loadlib.js b/src/loadlib.js
index 2e68ffd..2dc6d73 100644
--- a/src/loadlib.js
+++ b/src/loadlib.js
@@ -3,6 +3,7 @@
const fengari = require('./fengari.js');
const lua = require('./lua.js');
const lauxlib = require('./lauxlib.js');
+const {luastring_indexOf, to_jsstring, to_luastring, to_uristring} = require("./fengaricore.js");
const global_env = (function() {
/* global WorkerGlobalScope */ /* see https://github.com/sindresorhus/globals/issues/127 */
@@ -21,7 +22,7 @@ const global_env = (function() {
}
})();
-const CLIBS = lua.to_luastring("__CLIBS__", true);
+const CLIBS = to_luastring("__CLIBS__", true);
const LUA_PATH_VAR = "LUA_PATH";
const LUA_CPATH_VAR = "LUA_CPATH";
@@ -37,13 +38,13 @@ const LUA_CSUBSEP = lua.LUA_DIRSEP;
const LUA_LSUBSEP = lua.LUA_DIRSEP;
/* prefix for open functions in C libraries */
-const LUA_POF = lua.to_luastring("luaopen_");
+const LUA_POF = to_luastring("luaopen_");
/* separator for open functions in C libraries */
-const LUA_OFSEP = lua.to_luastring("_");
+const LUA_OFSEP = to_luastring("_");
const LIB_FAIL = "open";
-const AUXMARK = lua.to_luastring("\x01");
+const AUXMARK = to_luastring("\x01");
/*
@@ -55,13 +56,13 @@ const AUXMARK = lua.to_luastring("\x01");
let lsys_load;
if (typeof process === "undefined") {
lsys_load = function(L, path, seeglb) {
- path = lua.to_uristring(path);
+ path = to_uristring(path);
let xhr = new XMLHttpRequest();
xhr.open("GET", path, false);
xhr.send();
if (xhr.status < 200 || xhr.status >= 300) {
- lua.lua_pushstring(L, lua.to_luastring(`${xhr.status}: ${xhr.statusText}`));
+ lua.lua_pushstring(L, to_luastring(`${xhr.status}: ${xhr.statusText}`));
return null;
}
@@ -73,7 +74,7 @@ if (typeof process === "undefined") {
try {
func = Function("fengari", code);
} catch (e) {
- lua.lua_pushstring(L, lua.to_luastring(`${e.name}: ${e.message}`));
+ lua.lua_pushstring(L, to_luastring(`${e.name}: ${e.message}`));
return null;
}
let res = func(fengari);
@@ -82,20 +83,20 @@ if (typeof process === "undefined") {
} else if (res === void 0) { /* assume library added symbols to global environment */
return global_env;
} else {
- lua.lua_pushstring(L, lua.to_luastring(`library returned unexpected type (${typeof res})`));
+ lua.lua_pushstring(L, to_luastring(`library returned unexpected type (${typeof res})`));
return null;
}
};
} else {
const pathlib = require('path');
lsys_load = function(L, path, seeglb) {
- path = lua.to_jsstring(path);
+ path = to_jsstring(path);
/* relative paths should be relative to cwd, not this js file */
path = pathlib.resolve(process.cwd(), path);
try {
return require(path);
} catch (e) {
- lua.lua_pushstring(L, lua.to_luastring(e.message));
+ lua.lua_pushstring(L, to_luastring(e.message));
return null;
}
};
@@ -107,12 +108,12 @@ if (typeof process === "undefined") {
** error string in the stack.
*/
const lsys_sym = function(L, lib, sym) {
- let f = lib[lua.to_jsstring(sym)];
+ let f = lib[to_jsstring(sym)];
if (f && typeof f === 'function')
return f;
else {
- lua.lua_pushfstring(L, lua.to_luastring("undefined symbol: %s"), sym);
+ lua.lua_pushfstring(L, to_luastring("undefined symbol: %s"), sym);
return null;
}
};
@@ -121,7 +122,7 @@ const lsys_sym = function(L, lib, sym) {
** return registry.LUA_NOENV as a boolean
*/
const noenv = function(L) {
- lua.lua_getfield(L, lua.LUA_REGISTRYINDEX, lua.to_luastring("LUA_NOENV"));
+ lua.lua_getfield(L, lua.LUA_REGISTRYINDEX, to_luastring("LUA_NOENV"));
let b = lua.lua_toboolean(L, -1);
lua.lua_pop(L, 1); /* remove value */
return b;
@@ -143,7 +144,7 @@ if (typeof process !== "undefined") { // Only with Node
} else {
/* TODO: use async/await ? */
readable = function(path) {
- path = lua.to_uristring(path);
+ path = to_uristring(path);
let xhr = new XMLHttpRequest();
/* Following GET request done by searcher_Web will be cached */
xhr.open("GET", path, false);
@@ -217,21 +218,21 @@ const env = (function() {
*/
const setpath = function(L, fieldname, envname, dft) {
let nver = `${envname}${lua.LUA_VERSUFFIX}`;
- lua.lua_pushstring(L, lua.to_luastring(nver));
+ lua.lua_pushstring(L, to_luastring(nver));
let path = env[nver]; /* use versioned name */
if (path === undefined) /* no environment variable? */
path = env[envname]; /* try unversioned name */
if (path === undefined || noenv(L)) /* no environment variable? */
- lua.lua_pushstring(L, lua.to_luastring(dft)); /* use default */
+ lua.lua_pushstring(L, to_luastring(dft)); /* use default */
else {
/* replace ";;" by ";AUXMARK;" and then AUXMARK by default path */
path = lauxlib.luaL_gsub(
L,
- lua.to_luastring(path),
- lua.to_luastring(lua.LUA_PATH_SEP + lua.LUA_PATH_SEP, true),
- lua.to_luastring(lua.LUA_PATH_SEP + lua.to_jsstring(AUXMARK) + lua.LUA_PATH_SEP, true)
+ to_luastring(path),
+ to_luastring(lua.LUA_PATH_SEP + lua.LUA_PATH_SEP, true),
+ to_luastring(lua.LUA_PATH_SEP + to_jsstring(AUXMARK) + lua.LUA_PATH_SEP, true)
);
- lauxlib.luaL_gsub(L, path, AUXMARK, lua.to_luastring(dft));
+ lauxlib.luaL_gsub(L, path, AUXMARK, to_luastring(dft));
lua.lua_remove(L, -2); /* remove result from 1st 'gsub' */
}
lua.lua_setfield(L, -3, fieldname); /* package[fieldname] = path value */
@@ -265,7 +266,7 @@ const addtoclib = function(L, path, plib) {
const pushnexttemplate = function(L, path) {
while (path[0] === lua.LUA_PATH_SEP.charCodeAt(0)) path = path.subarray(1); /* skip separators */
if (path.length === 0) return null; /* no more templates */
- let l = lua.luastring_indexOf(path, lua.LUA_PATH_SEP.charCodeAt(0)); /* find next separator */
+ let l = luastring_indexOf(path, lua.LUA_PATH_SEP.charCodeAt(0)); /* find next separator */
if (l < 0) l = path.length;
lua.lua_pushlstring(L, path, l); /* template */
return path.subarray(l);
@@ -277,11 +278,11 @@ const searchpath = function(L, name, path, sep, dirsep) {
if (sep[0] !== 0) /* non-empty separator? */
name = lauxlib.luaL_gsub(L, name, sep, dirsep); /* replace it by 'dirsep' */
while ((path = pushnexttemplate(L, path)) !== null) {
- let filename = lauxlib.luaL_gsub(L, lua.lua_tostring(L, -1), lua.to_luastring(lua.LUA_PATH_MARK, true), name);
+ let filename = lauxlib.luaL_gsub(L, lua.lua_tostring(L, -1), to_luastring(lua.LUA_PATH_MARK, true), name);
lua.lua_remove(L, -2); /* remove path template */
if (readable(filename)) /* does file exist and is readable? */
return filename; /* return that file name */
- lua.lua_pushfstring(L, lua.to_luastring("\n\tno file '%s'"), filename);
+ lua.lua_pushfstring(L, to_luastring("\n\tno file '%s'"), filename);
lua.lua_remove(L, -2); /* remove file name */
lauxlib.luaL_addvalue(msg);
}
@@ -294,8 +295,8 @@ const ll_searchpath = function(L) {
L,
lauxlib.luaL_checkstring(L, 1),
lauxlib.luaL_checkstring(L, 2),
- lauxlib.luaL_optstring(L, 3, lua.to_luastring(".")),
- lauxlib.luaL_optstring(L, 4, lua.to_luastring(lua.LUA_DIRSEP))
+ lauxlib.luaL_optstring(L, 3, to_luastring(".")),
+ lauxlib.luaL_optstring(L, 4, to_luastring(lua.LUA_DIRSEP))
);
if (f !== null) return 1;
else { /* error message is on top of the stack */
@@ -309,8 +310,8 @@ const findfile = function(L, name, pname, dirsep) {
lua.lua_getfield(L, lua.lua_upvalueindex(1), pname);
let path = lua.lua_tostring(L, -1);
if (path === null)
- lauxlib.luaL_error(L, lua.to_luastring("'package.%s' must be a string"), pname);
- return searchpath(L, name, path, lua.to_luastring("."), dirsep);
+ lauxlib.luaL_error(L, to_luastring("'package.%s' must be a string"), pname);
+ return searchpath(L, name, path, to_luastring("."), dirsep);
};
const checkload = function(L, stat, filename) {
@@ -318,13 +319,13 @@ const checkload = function(L, stat, filename) {
lua.lua_pushstring(L, filename); /* will be 2nd argument to module */
return 2; /* return open function and file name */
} else
- return lauxlib.luaL_error(L, lua.to_luastring("error loading module '%s' from file '%s':\n\t%s"),
+ return lauxlib.luaL_error(L, to_luastring("error loading module '%s' from file '%s':\n\t%s"),
lua.lua_tostring(L, 1), filename, lua.lua_tostring(L, -1));
};
const searcher_Lua = function(L) {
let name = lauxlib.luaL_checkstring(L, 1);
- let filename = findfile(L, name, lua.to_luastring("path", true), lua.to_luastring(LUA_LSUBSEP, true));
+ let filename = findfile(L, name, to_luastring("path", true), to_luastring(LUA_LSUBSEP, true));
if (filename === null) return 1; /* module not found in this path */
return checkload(L, lauxlib.luaL_loadfile(L, filename) === lua.LUA_OK, filename);
};
@@ -339,39 +340,39 @@ const searcher_Lua = function(L) {
*/
const loadfunc = function(L, filename, modname) {
let openfunc;
- modname = lauxlib.luaL_gsub(L, modname, lua.to_luastring("."), LUA_OFSEP);
- let mark = lua.luastring_indexOf(modname, LUA_IGMARK.charCodeAt(0));
+ modname = lauxlib.luaL_gsub(L, modname, to_luastring("."), LUA_OFSEP);
+ let mark = luastring_indexOf(modname, LUA_IGMARK.charCodeAt(0));
if (mark >= 0) {
openfunc = lua.lua_pushlstring(L, modname, mark);
- openfunc = lua.lua_pushfstring(L, lua.to_luastring("%s%s"), LUA_POF, openfunc);
+ openfunc = lua.lua_pushfstring(L, to_luastring("%s%s"), LUA_POF, openfunc);
let stat = lookforfunc(L, filename, openfunc);
if (stat !== ERRFUNC) return stat;
modname = mark + 1; /* else go ahead and try old-style name */
}
- openfunc = lua.lua_pushfstring(L, lua.to_luastring("%s%s"), LUA_POF, modname);
+ openfunc = lua.lua_pushfstring(L, to_luastring("%s%s"), LUA_POF, modname);
return lookforfunc(L, filename, openfunc);
};
const searcher_C = function(L) {
let name = lauxlib.luaL_checkstring(L, 1);
- let filename = findfile(L, name, lua.to_luastring("cpath", true), lua.to_luastring(LUA_CSUBSEP, true));
+ let filename = findfile(L, name, to_luastring("cpath", true), to_luastring(LUA_CSUBSEP, true));
if (filename === null) return 1; /* module not found in this path */
return checkload(L, (loadfunc(L, filename, name) === 0), filename);
};
const searcher_Croot = function(L) {
let name = lauxlib.luaL_checkstring(L, 1);
- let p = lua.luastring_indexOf(name, '.'.charCodeAt(0));
+ let p = luastring_indexOf(name, '.'.charCodeAt(0));
let stat;
if (p < 0) return 0; /* is root */
lua.lua_pushlstring(L, name, p);
- let filename = findfile(L, lua.lua_tostring(L, -1), lua.to_luastring("cpath", true), lua.to_luastring(LUA_CSUBSEP, true));
+ let filename = findfile(L, lua.lua_tostring(L, -1), to_luastring("cpath", true), to_luastring(LUA_CSUBSEP, true));
if (filename === null) return 1; /* root not found */
if ((stat = loadfunc(L, filename, name)) !== 0) {
if (stat != ERRFUNC)
return checkload(L, 0, filename); /* real error */
else { /* open function not found */
- lua.lua_pushstring(L, lua.to_luastring("\n\tno module '%s' in file '%s'"), name, filename);
+ lua.lua_pushstring(L, to_luastring("\n\tno module '%s' in file '%s'"), name, filename);
return 1;
}
}
@@ -383,7 +384,7 @@ const searcher_preload = function(L) {
let name = lauxlib.luaL_checkstring(L, 1);
lua.lua_getfield(L, lua.LUA_REGISTRYINDEX, lauxlib.LUA_PRELOAD_TABLE);
if (lua.lua_getfield(L, -1, name) === lua.LUA_TNIL) /* not found? */
- lua.lua_pushfstring(L, lua.to_luastring("\n\tno field package.preload['%s']"), name);
+ lua.lua_pushfstring(L, to_luastring("\n\tno field package.preload['%s']"), name);
return 1;
};
@@ -391,8 +392,8 @@ const findloader = function(L, name, ctx, k) {
let msg = new lauxlib.luaL_Buffer(); /* to build error message */
lauxlib.luaL_buffinit(L, msg);
/* push 'package.searchers' to index 3 in the stack */
- if (lua.lua_getfield(L, lua.lua_upvalueindex(1), lua.to_luastring("searchers", true)) !== lua.LUA_TTABLE)
- lauxlib.luaL_error(L, lua.to_luastring("'package.searchers' must be a table"));
+ if (lua.lua_getfield(L, lua.lua_upvalueindex(1), to_luastring("searchers", true)) !== lua.LUA_TTABLE)
+ lauxlib.luaL_error(L, to_luastring("'package.searchers' must be a table"));
let ctx2 = {name: name, i: 1, msg: msg, ctx: ctx, k: k};
return findloader_cont(L, lua.LUA_OK, ctx2);
};
@@ -404,7 +405,7 @@ const findloader_cont = function(L, status, ctx) {
if (lua.lua_rawgeti(L, 3, ctx.i) === lua.LUA_TNIL) { /* no more searchers? */
lua.lua_pop(L, 1); /* remove nil */
lauxlib.luaL_pushresult(ctx.msg); /* create error message */
- lauxlib.luaL_error(L, lua.to_luastring("module '%s' not found:%s"), ctx.name, lua.lua_tostring(L, -1));
+ lauxlib.luaL_error(L, to_luastring("module '%s' not found:%s"), ctx.name, lua.lua_tostring(L, -1));
}
lua.lua_pushstring(L, ctx.name);
lua.lua_callk(L, 1, 2, ctx, findloader_cont); /* call it */
@@ -475,7 +476,7 @@ const createsearcherstable = function(L) {
lua.lua_pushcclosure(L, searchers[i], 1);
lua.lua_rawseti(L, -2, i+1);
}
- lua.lua_setfield(L, -2, lua.to_luastring("searchers", true)); /* put it in field 'searchers' */
+ lua.lua_setfield(L, -2, to_luastring("searchers", true)); /* put it in field 'searchers' */
};
/*
@@ -494,18 +495,18 @@ const luaopen_package = function(L) {
lauxlib.luaL_newlib(L, pk_funcs); /* create 'package' table */
createsearcherstable(L);
/* set paths */
- setpath(L, lua.to_luastring("path", true), LUA_PATH_VAR, lua.LUA_PATH_DEFAULT);
- setpath(L, lua.to_luastring("cpath", true), LUA_CPATH_VAR, lua.LUA_CPATH_DEFAULT);
+ setpath(L, to_luastring("path", true), LUA_PATH_VAR, lua.LUA_PATH_DEFAULT);
+ setpath(L, to_luastring("cpath", true), LUA_CPATH_VAR, lua.LUA_CPATH_DEFAULT);
/* store config information */
lua.lua_pushliteral(L, lua.LUA_DIRSEP + "\n" + lua.LUA_PATH_SEP + "\n" + lua.LUA_PATH_MARK + "\n" +
lua.LUA_EXEC_DIR + "\n" + LUA_IGMARK + "\n");
- lua.lua_setfield(L, -2, lua.to_luastring("config", true));
+ lua.lua_setfield(L, -2, to_luastring("config", true));
/* set field 'loaded' */
lauxlib.luaL_getsubtable(L, lua.LUA_REGISTRYINDEX, lauxlib.LUA_LOADED_TABLE);
- lua.lua_setfield(L, -2, lua.to_luastring("loaded", true));
+ lua.lua_setfield(L, -2, to_luastring("loaded", true));
/* set field 'preload' */
lauxlib.luaL_getsubtable(L, lua.LUA_REGISTRYINDEX, lauxlib.LUA_PRELOAD_TABLE);
- lua.lua_setfield(L, -2, lua.to_luastring("preload", true));
+ lua.lua_setfield(L, -2, to_luastring("preload", true));
lua.lua_pushglobaltable(L);
lua.lua_pushvalue(L, -2); /* set 'package' as upvalue for next lib */
lauxlib.luaL_setfuncs(L, ll_funcs, 1); /* open lib into global table */