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-rw-r--r--src/lbaselib.js368
1 files changed, 220 insertions, 148 deletions
diff --git a/src/lbaselib.js b/src/lbaselib.js
index 78a32ed..e14d34d 100644
--- a/src/lbaselib.js
+++ b/src/lbaselib.js
@@ -1,8 +1,80 @@
"use strict";
-const lua = require('./lua.js');
-const lauxlib = require('./lauxlib.js');
-const {to_jsstring, to_luastring} = require("./fengaricore.js");
+const {
+ LUA_MULTRET,
+ LUA_OK,
+ LUA_TFUNCTION,
+ LUA_TNIL,
+ LUA_TNONE,
+ LUA_TNUMBER,
+ LUA_TSTRING,
+ LUA_TTABLE,
+ LUA_VERSION,
+ LUA_YIELD,
+ lua_call,
+ lua_callk,
+ lua_concat,
+ lua_error,
+ lua_getglobal,
+ lua_geti,
+ lua_getmetatable,
+ lua_gettop,
+ lua_insert,
+ lua_isnil,
+ lua_isnone,
+ lua_isstring,
+ lua_load,
+ lua_next,
+ lua_pcallk,
+ lua_pop,
+ lua_pushboolean,
+ lua_pushcfunction,
+ lua_pushglobaltable,
+ lua_pushinteger,
+ lua_pushliteral,
+ lua_pushnil,
+ lua_pushstring,
+ lua_pushvalue,
+ lua_rawequal,
+ lua_rawget,
+ lua_rawlen,
+ lua_rawset,
+ lua_remove,
+ lua_replace,
+ lua_rotate,
+ lua_setfield,
+ lua_setmetatable,
+ lua_settop,
+ lua_setupvalue,
+ lua_stringtonumber,
+ lua_toboolean,
+ lua_tolstring,
+ lua_tostring,
+ lua_type,
+ lua_typename
+} = require('./lua.js');
+const {
+ luaL_argcheck,
+ luaL_checkany,
+ luaL_checkinteger,
+ luaL_checkoption,
+ luaL_checkstack,
+ luaL_checktype,
+ luaL_error,
+ luaL_getmetafield,
+ luaL_loadbufferx,
+ luaL_loadfile,
+ luaL_loadfilex,
+ luaL_optinteger,
+ luaL_optstring,
+ luaL_setfuncs,
+ luaL_tolstring,
+ luaL_where
+} = require('./lauxlib.js');
+const {
+ to_jsstring,
+ to_luastring
+} = require("./fengaricore.js");
let lua_writestring;
let lua_writeline;
@@ -47,79 +119,79 @@ if (typeof process === "undefined") {
};
}
const luaB_print = function(L) {
- let n = lua.lua_gettop(L); /* number of arguments */
- lua.lua_getglobal(L, to_luastring("tostring", true));
+ let n = lua_gettop(L); /* number of arguments */
+ lua_getglobal(L, to_luastring("tostring", true));
for (let i = 1; i <= n; i++) {
- lua.lua_pushvalue(L, -1); /* function to be called */
- lua.lua_pushvalue(L, i); /* value to print */
- lua.lua_call(L, 1, 1);
- let s = lua.lua_tolstring(L, -1);
+ lua_pushvalue(L, -1); /* function to be called */
+ lua_pushvalue(L, i); /* value to print */
+ lua_call(L, 1, 1);
+ let s = lua_tolstring(L, -1);
if (s === null)
- return lauxlib.luaL_error(L, to_luastring("'tostring' must return a string to 'print'", true));
+ return luaL_error(L, to_luastring("'tostring' must return a string to 'print'", true));
if (i > 1) lua_writestring(to_luastring("\t"));
lua_writestring(s);
- lua.lua_pop(L, 1);
+ lua_pop(L, 1);
}
lua_writeline();
return 0;
};
const luaB_tostring = function(L) {
- lauxlib.luaL_checkany(L, 1);
- lauxlib.luaL_tolstring(L, 1);
+ luaL_checkany(L, 1);
+ luaL_tolstring(L, 1);
return 1;
};
const luaB_getmetatable = function(L) {
- lauxlib.luaL_checkany(L, 1);
- if (!lua.lua_getmetatable(L, 1)) {
- lua.lua_pushnil(L);
+ luaL_checkany(L, 1);
+ if (!lua_getmetatable(L, 1)) {
+ lua_pushnil(L);
return 1; /* no metatable */
}
- lauxlib.luaL_getmetafield(L, 1, to_luastring("__metatable", true));
+ luaL_getmetafield(L, 1, to_luastring("__metatable", true));
return 1; /* returns either __metatable field (if present) or metatable */
};
const luaB_setmetatable = function(L) {
- let t = lua.lua_type(L, 2);
- lauxlib.luaL_checktype(L, 1, lua.LUA_TTABLE);
- lauxlib.luaL_argcheck(L, t === lua.LUA_TNIL || t === lua.LUA_TTABLE, 2, to_luastring("nil or table expected", true));
- if (lauxlib.luaL_getmetafield(L, 1, to_luastring("__metatable", true)) !== lua.LUA_TNIL)
- return lauxlib.luaL_error(L, to_luastring("cannot change a protected metatable", true));
- lua.lua_settop(L, 2);
- lua.lua_setmetatable(L, 1);
+ let t = lua_type(L, 2);
+ luaL_checktype(L, 1, LUA_TTABLE);
+ luaL_argcheck(L, t === LUA_TNIL || t === LUA_TTABLE, 2, to_luastring("nil or table expected", true));
+ if (luaL_getmetafield(L, 1, to_luastring("__metatable", true)) !== LUA_TNIL)
+ return luaL_error(L, to_luastring("cannot change a protected metatable", true));
+ lua_settop(L, 2);
+ lua_setmetatable(L, 1);
return 1;
};
const luaB_rawequal = function(L) {
- lauxlib.luaL_checkany(L, 1);
- lauxlib.luaL_checkany(L, 2);
- lua.lua_pushboolean(L, lua.lua_rawequal(L, 1, 2));
+ luaL_checkany(L, 1);
+ luaL_checkany(L, 2);
+ lua_pushboolean(L, lua_rawequal(L, 1, 2));
return 1;
};
const luaB_rawlen = function(L) {
- let t = lua.lua_type(L, 1);
- lauxlib.luaL_argcheck(L, t === lua.LUA_TTABLE || t === lua.LUA_TSTRING, 1, to_luastring("table or string expected", true));
- lua.lua_pushinteger(L, lua.lua_rawlen(L, 1));
+ let t = lua_type(L, 1);
+ luaL_argcheck(L, t === LUA_TTABLE || t === LUA_TSTRING, 1, to_luastring("table or string expected", true));
+ lua_pushinteger(L, lua_rawlen(L, 1));
return 1;
};
const luaB_rawget = function(L) {
- lauxlib.luaL_checktype(L, 1, lua.LUA_TTABLE);
- lauxlib.luaL_checkany(L, 2);
- lua.lua_settop(L, 2);
- lua.lua_rawget(L, 1);
+ luaL_checktype(L, 1, LUA_TTABLE);
+ luaL_checkany(L, 2);
+ lua_settop(L, 2);
+ lua_rawget(L, 1);
return 1;
};
const luaB_rawset = function(L) {
- lauxlib.luaL_checktype(L, 1, lua.LUA_TTABLE);
- lauxlib.luaL_checkany(L, 2);
- lauxlib.luaL_checkany(L, 3);
- lua.lua_settop(L, 3);
- lua.lua_rawset(L, 1);
+ luaL_checktype(L, 1, LUA_TTABLE);
+ luaL_checkany(L, 2);
+ luaL_checkany(L, 3);
+ lua_settop(L, 3);
+ lua_rawset(L, 1);
return 1;
};
@@ -129,39 +201,39 @@ const opts = [
"isrunning"
].map((e) => to_luastring(e));
const luaB_collectgarbage = function(L) {
- lauxlib.luaL_checkoption(L, 1, to_luastring("collect"), opts);
- lauxlib.luaL_optinteger(L, 2, 0);
- lauxlib.luaL_error(L, to_luastring("lua_gc not implemented"));
+ luaL_checkoption(L, 1, to_luastring("collect"), opts);
+ luaL_optinteger(L, 2, 0);
+ luaL_error(L, to_luastring("lua_gc not implemented"));
};
const luaB_type = function(L) {
- let t = lua.lua_type(L, 1);
- lauxlib.luaL_argcheck(L, t !== lua.LUA_TNONE, 1, to_luastring("value expected", true));
- lua.lua_pushstring(L, lua.lua_typename(L, t));
+ let t = lua_type(L, 1);
+ luaL_argcheck(L, t !== LUA_TNONE, 1, to_luastring("value expected", true));
+ lua_pushstring(L, lua_typename(L, t));
return 1;
};
const pairsmeta = function(L, method, iszero, iter) {
- lauxlib.luaL_checkany(L, 1);
- if (lauxlib.luaL_getmetafield(L, 1, method) === lua.LUA_TNIL) { /* no metamethod? */
- lua.lua_pushcfunction(L, iter); /* will return generator, */
- lua.lua_pushvalue(L, 1); /* state, */
- if (iszero) lua.lua_pushinteger(L, 0); /* and initial value */
- else lua.lua_pushnil(L);
+ luaL_checkany(L, 1);
+ if (luaL_getmetafield(L, 1, method) === LUA_TNIL) { /* no metamethod? */
+ lua_pushcfunction(L, iter); /* will return generator, */
+ lua_pushvalue(L, 1); /* state, */
+ if (iszero) lua_pushinteger(L, 0); /* and initial value */
+ else lua_pushnil(L);
} else {
- lua.lua_pushvalue(L, 1); /* argument 'self' to metamethod */
- lua.lua_call(L, 1, 3); /* get 3 values from metamethod */
+ lua_pushvalue(L, 1); /* argument 'self' to metamethod */
+ lua_call(L, 1, 3); /* get 3 values from metamethod */
}
return 3;
};
const luaB_next = function(L) {
- lauxlib.luaL_checktype(L, 1, lua.LUA_TTABLE);
- lua.lua_settop(L, 2); /* create a 2nd argument if there isn't one */
- if (lua.lua_next(L, 1))
+ luaL_checktype(L, 1, LUA_TTABLE);
+ lua_settop(L, 2); /* create a 2nd argument if there isn't one */
+ if (lua_next(L, 1))
return 2;
else {
- lua.lua_pushnil(L);
+ lua_pushnil(L);
return 1;
}
};
@@ -174,9 +246,9 @@ const luaB_pairs = function(L) {
** Traversal function for 'ipairs'
*/
const ipairsaux = function(L) {
- let i = lauxlib.luaL_checkinteger(L, 2) + 1;
- lua.lua_pushinteger(L, i);
- return lua.lua_geti(L, 1, i) === lua.LUA_TNIL ? 1 : 2;
+ let i = luaL_checkinteger(L, 2) + 1;
+ lua_pushinteger(L, i);
+ return lua_geti(L, 1, i) === LUA_TNIL ? 1 : 2;
};
/*
@@ -187,10 +259,10 @@ const luaB_ipairs = function(L) {
// Lua 5.2
// return pairsmeta(L, "__ipairs", 1, ipairsaux);
- lauxlib.luaL_checkany(L, 1);
- lua.lua_pushcfunction(L, ipairsaux); /* iteration function */
- lua.lua_pushvalue(L, 1); /* state */
- lua.lua_pushinteger(L, 0); /* initial value */
+ luaL_checkany(L, 1);
+ lua_pushcfunction(L, ipairsaux); /* iteration function */
+ lua_pushvalue(L, 1); /* state */
+ lua_pushinteger(L, 0); /* initial value */
return 3;
};
@@ -216,65 +288,65 @@ const b_str2int = function(s, base) {
};
const luaB_tonumber = function(L) {
- if (lua.lua_type(L, 2) <= 0) { /* standard conversion? */
- lauxlib.luaL_checkany(L, 1);
- if (lua.lua_type(L, 1) === lua.LUA_TNUMBER) { /* already a number? */
- lua.lua_settop(L, 1);
+ if (lua_type(L, 2) <= 0) { /* standard conversion? */
+ luaL_checkany(L, 1);
+ if (lua_type(L, 1) === LUA_TNUMBER) { /* already a number? */
+ lua_settop(L, 1);
return 1;
} else {
- let s = lua.lua_tostring(L, 1);
- if (s !== null && lua.lua_stringtonumber(L, s) === s.length+1)
+ let s = lua_tostring(L, 1);
+ if (s !== null && lua_stringtonumber(L, s) === s.length+1)
return 1; /* successful conversion to number */
}
} else {
- let base = lauxlib.luaL_checkinteger(L, 2);
- lauxlib.luaL_checktype(L, 1, lua.LUA_TSTRING); /* no numbers as strings */
- let s = lua.lua_tostring(L, 1);
- lauxlib.luaL_argcheck(L, 2 <= base && base <= 36, 2, to_luastring("base out of range", true));
+ let base = luaL_checkinteger(L, 2);
+ luaL_checktype(L, 1, LUA_TSTRING); /* no numbers as strings */
+ let s = lua_tostring(L, 1);
+ luaL_argcheck(L, 2 <= base && base <= 36, 2, to_luastring("base out of range", true));
let n = b_str2int(s, base);
if (n !== null) {
- lua.lua_pushinteger(L, n);
+ lua_pushinteger(L, n);
return 1;
}
}
- lua.lua_pushnil(L);
+ lua_pushnil(L);
return 1;
};
const luaB_error = function(L) {
- let level = lauxlib.luaL_optinteger(L, 2, 1);
- lua.lua_settop(L, 1);
- if (lua.lua_type(L, 1) === lua.LUA_TSTRING && level > 0) {
- lauxlib.luaL_where(L, level); /* add extra information */
- lua.lua_pushvalue(L, 1);
- lua.lua_concat(L, 2);
+ let level = luaL_optinteger(L, 2, 1);
+ lua_settop(L, 1);
+ if (lua_type(L, 1) === LUA_TSTRING && level > 0) {
+ luaL_where(L, level); /* add extra information */
+ lua_pushvalue(L, 1);
+ lua_concat(L, 2);
}
- return lua.lua_error(L);
+ return lua_error(L);
};
const luaB_assert = function(L) {
- if (lua.lua_toboolean(L, 1)) /* condition is true? */
- return lua.lua_gettop(L); /* return all arguments */
+ if (lua_toboolean(L, 1)) /* condition is true? */
+ return lua_gettop(L); /* return all arguments */
else {
- lauxlib.luaL_checkany(L, 1); /* there must be a condition */
- lua.lua_remove(L, 1); /* remove it */
- lua.lua_pushliteral(L, "assertion failed!"); /* default message */
- lua.lua_settop(L, 1); /* leave only message (default if no other one) */
+ luaL_checkany(L, 1); /* there must be a condition */
+ lua_remove(L, 1); /* remove it */
+ lua_pushliteral(L, "assertion failed!"); /* default message */
+ lua_settop(L, 1); /* leave only message (default if no other one) */
return luaB_error(L); /* call 'error' */
}
};
const luaB_select = function(L) {
- let n = lua.lua_gettop(L);
- if (lua.lua_type(L, 1) === lua.LUA_TSTRING && lua.lua_tostring(L, 1)[0] === "#".charCodeAt(0)) {
- lua.lua_pushinteger(L, n - 1);
+ let n = lua_gettop(L);
+ if (lua_type(L, 1) === LUA_TSTRING && lua_tostring(L, 1)[0] === "#".charCodeAt(0)) {
+ lua_pushinteger(L, n - 1);
return 1;
} else {
- let i = lauxlib.luaL_checkinteger(L, 1);
+ let i = luaL_checkinteger(L, 1);
if (i < 0) i = n + i;
else if (i > n) i = n;
- lauxlib.luaL_argcheck(L, 1 <= i, 1, to_luastring("index out of range", true));
+ luaL_argcheck(L, 1 <= i, 1, to_luastring("index out of range", true));
return n - i;
}
};
@@ -287,19 +359,19 @@ const luaB_select = function(L) {
** ignored).
*/
const finishpcall = function(L, status, extra) {
- if (status !== lua.LUA_OK && status !== lua.LUA_YIELD) { /* error? */
- lua.lua_pushboolean(L, 0); /* first result (false) */
- lua.lua_pushvalue(L, -2); /* error message */
+ if (status !== LUA_OK && status !== LUA_YIELD) { /* error? */
+ lua_pushboolean(L, 0); /* first result (false) */
+ lua_pushvalue(L, -2); /* error message */
return 2; /* return false, msg */
} else
- return lua.lua_gettop(L) - extra;
+ return lua_gettop(L) - extra;
};
const luaB_pcall = function(L) {
- lauxlib.luaL_checkany(L, 1);
- lua.lua_pushboolean(L, 1); /* first result if no errors */
- lua.lua_insert(L, 1); /* put it in place */
- let status = lua.lua_pcallk(L, lua.lua_gettop(L) - 2, lua.LUA_MULTRET, 0, 0, finishpcall);
+ luaL_checkany(L, 1);
+ lua_pushboolean(L, 1); /* first result if no errors */
+ lua_insert(L, 1); /* put it in place */
+ let status = lua_pcallk(L, lua_gettop(L) - 2, LUA_MULTRET, 0, 0, finishpcall);
return finishpcall(L, status, 0);
};
@@ -309,27 +381,27 @@ const luaB_pcall = function(L) {
** 2 to 'finishpcall' to skip the 2 first values when returning results.
*/
const luaB_xpcall = function(L) {
- let n = lua.lua_gettop(L);
- lauxlib.luaL_checktype(L, 2, lua.LUA_TFUNCTION); /* check error function */
- lua.lua_pushboolean(L, 1); /* first result */
- lua.lua_pushvalue(L, 1); /* function */
- lua.lua_rotate(L, 3, 2); /* move them below function's arguments */
- let status = lua.lua_pcallk(L, n - 2, lua.LUA_MULTRET, 2, 2, finishpcall);
+ let n = lua_gettop(L);
+ luaL_checktype(L, 2, LUA_TFUNCTION); /* check error function */
+ lua_pushboolean(L, 1); /* first result */
+ lua_pushvalue(L, 1); /* function */
+ lua_rotate(L, 3, 2); /* move them below function's arguments */
+ let status = lua_pcallk(L, n - 2, LUA_MULTRET, 2, 2, finishpcall);
return finishpcall(L, status, 2);
};
// TODO: does it overwrite the upvalue of the previous closure ?
const load_aux = function(L, status, envidx) {
- if (status === lua.LUA_OK) {
+ if (status === LUA_OK) {
if (envidx !== 0) { /* 'env' parameter? */
- lua.lua_pushvalue(L, envidx); /* environment for loaded function */
- if (!lua.lua_setupvalue(L, -2, 1)) /* set it as 1st upvalue */
- lua.lua_pop(L, 1); /* remove 'env' if not used by previous call */
+ lua_pushvalue(L, envidx); /* environment for loaded function */
+ if (!lua_setupvalue(L, -2, 1)) /* set it as 1st upvalue */
+ lua_pop(L, 1); /* remove 'env' if not used by previous call */
}
return 1;
} else { /* error (message is on top of the stack) */
- lua.lua_pushnil(L);
- lua.lua_insert(L, -2); /* put before error message */
+ lua_pushnil(L);
+ lua_insert(L, -2); /* put before error message */
return 2; /* return nil plus error message */
}
};
@@ -348,53 +420,53 @@ const RESERVEDSLOT = 5;
** reserved slot inside the stack.
*/
const generic_reader = function(L, ud) {
- lauxlib.luaL_checkstack(L, 2, to_luastring("too many nested functions", true));
- lua.lua_pushvalue(L, 1); /* get function */
- lua.lua_call(L, 0, 1); /* call it */
- if (lua.lua_isnil(L, -1)) {
- lua.lua_pop(L, 1); /* pop result */
+ luaL_checkstack(L, 2, to_luastring("too many nested functions", true));
+ lua_pushvalue(L, 1); /* get function */
+ lua_call(L, 0, 1); /* call it */
+ if (lua_isnil(L, -1)) {
+ lua_pop(L, 1); /* pop result */
return null;
- } else if (!lua.lua_isstring(L, -1))
- lauxlib.luaL_error(L, to_luastring("reader function must return a string", true));
- lua.lua_replace(L, RESERVEDSLOT); /* save string in reserved slot */
- return lua.lua_tostring(L, RESERVEDSLOT);
+ } else if (!lua_isstring(L, -1))
+ luaL_error(L, to_luastring("reader function must return a string", true));
+ lua_replace(L, RESERVEDSLOT); /* save string in reserved slot */
+ return lua_tostring(L, RESERVEDSLOT);
};
const luaB_load = function(L) {
- let s = lua.lua_tostring(L, 1);
- let mode = lauxlib.luaL_optstring(L, 3, to_luastring("bt", true));
- let env = !lua.lua_isnone(L, 4) ? 4 : 0; /* 'env' index or 0 if no 'env' */
+ let s = lua_tostring(L, 1);
+ let mode = luaL_optstring(L, 3, to_luastring("bt", true));
+ let env = !lua_isnone(L, 4) ? 4 : 0; /* 'env' index or 0 if no 'env' */
let status;
if (s !== null) { /* loading a string? */
- let chunkname = lauxlib.luaL_optstring(L, 2, s);
- status = lauxlib.luaL_loadbufferx(L, s, s.length, chunkname, mode);
+ let chunkname = luaL_optstring(L, 2, s);
+ status = luaL_loadbufferx(L, s, s.length, chunkname, mode);
} else { /* loading from a reader function */
- let chunkname = lauxlib.luaL_optstring(L, 2, to_luastring("=(load)", true));
- lauxlib.luaL_checktype(L, 1, lua.LUA_TFUNCTION);
- lua.lua_settop(L, RESERVEDSLOT); /* create reserved slot */
- status = lua.lua_load(L, generic_reader, null, chunkname, mode);
+ let chunkname = luaL_optstring(L, 2, to_luastring("=(load)", true));
+ luaL_checktype(L, 1, LUA_TFUNCTION);
+ lua_settop(L, RESERVEDSLOT); /* create reserved slot */
+ status = lua_load(L, generic_reader, null, chunkname, mode);
}
return load_aux(L, status, env);
};
const luaB_loadfile = function(L) {
- let fname = lauxlib.luaL_optstring(L, 1, null);
- let mode = lauxlib.luaL_optstring(L, 2, null);
- let env = !lua.lua_isnone(L, 3) ? 3 : 0; /* 'env' index or 0 if no 'env' */
- let status = lauxlib.luaL_loadfilex(L, fname, mode);
+ let fname = luaL_optstring(L, 1, null);
+ let mode = luaL_optstring(L, 2, null);
+ let env = !lua_isnone(L, 3) ? 3 : 0; /* 'env' index or 0 if no 'env' */
+ let status = luaL_loadfilex(L, fname, mode);
return load_aux(L, status, env);
};
const dofilecont = function(L, d1, d2) {
- return lua.lua_gettop(L) - 1;
+ return lua_gettop(L) - 1;
};
const luaB_dofile = function(L) {
- let fname = lauxlib.luaL_optstring(L, 1, null);
- lua.lua_settop(L, 1);
- if (lauxlib.luaL_loadfile(L, fname) !== lua.LUA_OK)
- return lua.lua_error(L);
- lua.lua_callk(L, 0, lua.LUA_MULTRET, 0, dofilecont);
+ let fname = luaL_optstring(L, 1, null);
+ lua_settop(L, 1);
+ if (luaL_loadfile(L, fname) !== LUA_OK)
+ return lua_error(L);
+ lua_callk(L, 0, LUA_MULTRET, 0, dofilecont);
return dofilecont(L, 0, 0);
};
@@ -425,14 +497,14 @@ const base_funcs = {
const luaopen_base = function(L) {
/* open lib into global table */
- lua.lua_pushglobaltable(L);
- lauxlib.luaL_setfuncs(L, base_funcs, 0);
+ lua_pushglobaltable(L);
+ luaL_setfuncs(L, base_funcs, 0);
/* set global _G */
- lua.lua_pushvalue(L, -1);
- lua.lua_setfield(L, -2, to_luastring("_G", true));
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, to_luastring("_G", true));
/* set global _VERSION */
- lua.lua_pushliteral(L, lua.LUA_VERSION);
- lua.lua_setfield(L, -2, to_luastring("_VERSION", true));
+ lua_pushliteral(L, LUA_VERSION);
+ lua_setfield(L, -2, to_luastring("_VERSION", true));
return 1;
};
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-11 07:33:20 +0000