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-rw-r--r--src/llex.js5
-rw-r--r--src/llimit.js15
-rw-r--r--src/lmathlib.js6
-rw-r--r--src/lobject.js5
-rw-r--r--src/loslib.js3
-rw-r--r--src/lparser.js4
-rw-r--r--src/lstrlib.js3
-rw-r--r--src/ltablib.js4
-rw-r--r--src/lua.js3
-rw-r--r--src/luaconf.js4
-rw-r--r--src/lutf8lib.js3
11 files changed, 36 insertions, 19 deletions
diff --git a/src/llex.js b/src/llex.js
index b038619..0927fec 100644
--- a/src/llex.js
+++ b/src/llex.js
@@ -9,6 +9,7 @@ const ldo = require('./ldo.js');
const ljstype = require('./ljstype');
const lobject = require('./lobject');
const lua = require('./lua.js');
+const llimit = require('./llimit.js');
const TValue = lobject.TValue;
const CT = lua.constant_types;
const TS = lua.thread_status;
@@ -151,7 +152,7 @@ class LexState {
const save = function(ls, c) {
let b = ls.buff;
if (b.n + 1 > b.buffer.length) {
- if (b.buffer.length >= Number.MAX_SAFE_INTEGER/2)
+ if (b.buffer.length >= llimit.MAX_INT/2)
lexerror(ls, lua.to_luastring("lexical element too long", true), 0);
}
b.buffer[b.n++] = c < 0 ? 255 + c + 1 : c;
@@ -192,7 +193,7 @@ const inclinenumber = function(ls) {
next(ls); /* skip '\n' or '\r' */
if (currIsNewline(ls) && ls.current !== old)
next(ls); /* skip '\n\r' or '\r\n' */
- if (++ls.linenumber >= Number.MAX_SAFE_INTEGER)
+ if (++ls.linenumber >= llimit.MAX_INT)
lexerror(ls, lua.to_luastring("chunk has too many lines", true), 0);
};
diff --git a/src/llimit.js b/src/llimit.js
index 9c02eb0..06b8370 100644
--- a/src/llimit.js
+++ b/src/llimit.js
@@ -1,6 +1,15 @@
/*jshint esversion: 6 */
"use strict";
-module.exports.LUAI_MAXCCALLS = 200;
-module.exports.LUA_MAXINTEGER = 2147483647;
-module.exports.LUA_MININTEGER = -2147483647; \ No newline at end of file
+const LUAI_MAXCCALLS = 200;
+module.exports.LUAI_MAXCCALLS = LUAI_MAXCCALLS;
+const LUA_MAXINTEGER = 2147483647;
+module.exports.LUA_MAXINTEGER = LUA_MAXINTEGER;
+const LUA_MININTEGER = -2147483647;
+module.exports.LUA_MININTEGER = LUA_MININTEGER;
+
+// If later integers are more than 32bit, LUA_MAXINTEGER will then be != MAX_INT
+const MAX_INT = 2147483647;
+module.exports.MAX_INT = MAX_INT;
+const MIN_INT = -2147483647;
+module.exports.MIN_INT = MIN_INT;
diff --git a/src/lmathlib.js b/src/lmathlib.js
index c052fcb..fd18711 100644
--- a/src/lmathlib.js
+++ b/src/lmathlib.js
@@ -42,7 +42,7 @@ const math_random = function(L) {
/* random integer in the interval [low, up] */
lauxlib.luaL_argcheck(L, low <= up, 1, lua.to_luastring("interval is empty", true));
- lauxlib.luaL_argcheck(L, low >= 0 || up <= Number.MAX_SAFE_INTEGER + low, 1,
+ lauxlib.luaL_argcheck(L, low >= 0 || up <= llimit.MAX_INT + low, 1,
lua.to_luastring("interval too large", true));
r *= (up - low) + 1;
@@ -268,9 +268,9 @@ const luaopen_math = function(L) {
lapi.lua_setfield(L, -2, lua.to_luastring("pi", true));
lapi.lua_pushnumber(L, Number.MAX_VALUE);
lapi.lua_setfield(L, -2, lua.to_luastring("huge", true));
- lapi.lua_pushinteger(L, Number.MAX_SAFE_INTEGER);
+ lapi.lua_pushinteger(L, llimit.MAX_INT);
lapi.lua_setfield(L, -2, lua.to_luastring("maxinteger", true));
- lapi.lua_pushinteger(L, Number.MIN_SAFE_INTEGER);
+ lapi.lua_pushinteger(L, llimit.MIN_INT);
lapi.lua_setfield(L, -2, lua.to_luastring("mininteger", true));
return 1;
};
diff --git a/src/lobject.js b/src/lobject.js
index 9a79c95..7409415 100644
--- a/src/lobject.js
+++ b/src/lobject.js
@@ -6,6 +6,7 @@ const assert = require('assert');
const ljstype = require('./ljstype.js');
const lua = require('./lua.js');
const luaconf = require('./luaconf.js');
+const llimit = require('./llimit.js');
const CT = lua.constant_types;
const UpVal = require('./lfunc.js').UpVal;
const char = lua.char;
@@ -427,8 +428,8 @@ const l_str2d = function(s) {
return end;
};
-const MAXBY10 = Number.MAX_SAFE_INTEGER / 10;
-const MAXLASTD = Number.MAX_SAFE_INTEGER % 10;
+const MAXBY10 = llimit.MAX_INT / 10;
+const MAXLASTD = llimit.MAX_INT % 10;
const l_str2int = function(s) {
let a = 0;
diff --git a/src/loslib.js b/src/loslib.js
index a319b3b..781dec9 100644
--- a/src/loslib.js
+++ b/src/loslib.js
@@ -7,6 +7,7 @@ const char = lua.char;
const lapi = require('./lapi.js');
const lauxlib = require('./lauxlib.js');
const ldebug = require('./ldebug.js');
+const llimit = require('./llimit.js');
const setfield = function(L, key, value) {
lapi.lua_pushinteger(L, value);
@@ -26,7 +27,7 @@ const setallfields = function(L, time) {
// setboolfield(L, "isdst", time.get);
};
-const L_MAXDATEFIELD = (Number.MAX_SAFE_INTEGER / 2);
+const L_MAXDATEFIELD = (llimit.MAX_INT / 2);
const getfield = function(L, key, d, delta) {
let t = lapi.lua_getfield(L, -1, lua.to_luastring(key)); /* get field and its type */
diff --git a/src/lparser.js b/src/lparser.js
index a0d671b..fba5f94 100644
--- a/src/lparser.js
+++ b/src/lparser.js
@@ -638,7 +638,7 @@ const recfield = function(ls, cc) {
let val = new expdesc();
if (ls.t.token === R.TK_NAME) {
- checklimit(fs, cc.nh, Number.MAX_SAFE_INTEGER, lua.to_luastring("items in a constructor", true));
+ checklimit(fs, cc.nh, llimit.MAX_INT, lua.to_luastring("items in a constructor", true));
checkname(ls, key);
} else /* ls->t.token === '[' */
yindex(ls, key);
@@ -676,7 +676,7 @@ const lastlistfield = function(fs, cc) {
const listfield = function(ls, cc) {
/* listfield -> exp */
expr(ls, cc.v);
- checklimit(ls.fs, cc.na, Number.MAX_SAFE_INTEGER, lua.to_luastring("items in a constructor", true));
+ checklimit(ls.fs, cc.na, llimit.MAX_INT, lua.to_luastring("items in a constructor", true));
cc.na++;
cc.tostore++;
};
diff --git a/src/lstrlib.js b/src/lstrlib.js
index f8158a8..f26400e 100644
--- a/src/lstrlib.js
+++ b/src/lstrlib.js
@@ -8,6 +8,7 @@ const lauxlib = require('./lauxlib.js');
const lobject = require('./lobject.js');
const lua = require('./lua.js');
const luaconf = require('./luaconf.js');
+const llimit = require('./llimit.js');
const CT = lua.constant_types;
const char = lua.char;
@@ -682,7 +683,7 @@ const str_byte = function(L) {
if (posi < 1) posi = 1;
if (pose > l) pose = l;
if (posi > pose) return 0; /* empty interval; return no values */
- if (pose - posi >= Number.MAX_SAFE_INTEGER) /* arithmetic overflow? */
+ if (pose - posi >= llimit.MAX_INT) /* arithmetic overflow? */
return lauxlib.luaL_error(L, lua.to_luastring("string slice too long", true));
let n = (pose - posi) + 1;
diff --git a/src/ltablib.js b/src/ltablib.js
index 0794887..bc51836 100644
--- a/src/ltablib.js
+++ b/src/ltablib.js
@@ -172,7 +172,7 @@ const unpack = function(L) {
let e = lauxlib.luaL_opt(L, lauxlib.luaL_checkinteger, 3, lauxlib.luaL_len(L, 1));
if (i > e) return 0; /* empty range */
let n = e - i; /* number of elements minus 1 (avoid overflows) */
- if (n >= Number.MAX_SAFE_INTEGER || !lapi.lua_checkstack(L, ++n))
+ if (n >= llimit.MAX_INT || !lapi.lua_checkstack(L, ++n))
return lauxlib.luaL_error(L, lua.to_luastring("too many results to unpack", true));
for (; i < e; i++) /* push arg[i..e - 1] (to avoid overflows) */
lapi.lua_geti(L, 1, i);
@@ -214,7 +214,7 @@ const auxsort = function(L) {
const sort = function(L) {
let n = aux_getn(L, 1, TAB_RW);
if (n > 1) { /* non-trivial interval? */
- lauxlib.luaL_argcheck(L, n < Number.MAX_SAFE_INTEGER, 1, lua.to_luastring("array too big", true));
+ lauxlib.luaL_argcheck(L, n < llimit.MAX_INT, 1, lua.to_luastring("array too big", true));
if (!lapi.lua_isnoneornil(L, 2)) /* is there a 2nd argument? */
lauxlib.luaL_checktype(L, 2, CT.LUA_TFUNCTION); /* must be a function */
lapi.lua_settop(L, 2); /* make sure there are two arguments */
diff --git a/src/lua.js b/src/lua.js
index 5175bfb..e1366b0 100644
--- a/src/lua.js
+++ b/src/lua.js
@@ -3,6 +3,7 @@
const assert = require('assert');
const luaconf = require('./luaconf.js');
+const llimit = require('./llimit.js');
// To avoid charCodeAt everywhere
const char = [];
@@ -150,7 +151,7 @@ const to_luastring = function(str, cache, maxBytesToWrite) {
if (Array.isArray(cached)) return cached;
}
- maxBytesToWrite = maxBytesToWrite !== undefined ? maxBytesToWrite : Number.MAX_SAFE_INTEGER;
+ maxBytesToWrite = maxBytesToWrite !== undefined ? maxBytesToWrite : llimit.MAX_INT;
let outU8Array = [];
if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes.
diff --git a/src/luaconf.js b/src/luaconf.js
index 3314d5c..803bb90 100644
--- a/src/luaconf.js
+++ b/src/luaconf.js
@@ -1,6 +1,8 @@
/*jshint esversion: 6 */
"use strict";
+const llimit = require('./llimit.js');
+
/*
@@ LUAI_MAXSTACK limits the size of the Lua stack.
** CHANGE it if you need a different limit. This limit is arbitrary;
@@ -17,7 +19,7 @@ const LUAI_MAXSTACK = 1000000;
const LUA_IDSIZE = 60;
const lua_numbertointeger = function(n) {
- return n >= Number.MIN_SAFE_INTEGER && n < -Number.MIN_SAFE_INTEGER ? n : 0;
+ return n >= llimit.MIN_INT && n < -llimit.MIN_INT ? n : 0;
};
const LUA_INTEGER_FRMLEN = "";
diff --git a/src/lutf8lib.js b/src/lutf8lib.js
index f58223a..9d53a8c 100644
--- a/src/lutf8lib.js
+++ b/src/lutf8lib.js
@@ -5,6 +5,7 @@ const assert = require('assert');
const lua = require('./lua.js');
const lapi = require('./lapi.js');
const lauxlib = require('./lauxlib.js');
+const llimit = require('./llimit.js');
const MAXUNICODE = 0x10FFFF;
@@ -170,7 +171,7 @@ const codepoint = function(L) {
lauxlib.luaL_argcheck(L, pose <= s.length, 3, lua.to_luastring("out of range", true));
if (posi > pose) return 0; /* empty interval; return no values */
- if (pose - posi >= Number.MAX_SAFE_INTEGER)
+ if (pose - posi >= llimit.MAX_INT)
return lauxlib.luaL_error(L, lua.to_luastring("string slice too long", true));
let n = (pose - posi) + 1;
lauxlib.luaL_checkstack(L, n, lua.to_luastring("string slice too long", true));
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-23 01:26:53 +0000