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authordaurnimator <quae@daurnimator.com>2018-01-18 07:28:12 +1100
committerdaurnimator <quae@daurnimator.com>2018-01-18 07:28:12 +1100
commit8cf3d9fdf3be06949040735c1c9faa67a74cf770 (patch)
tree4a4a3554ed93057afe97c05b590eecf1eb71f29d /src/lobject.js
parente7605840613fcbc084de8b92dc6f68414deb757d (diff)
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src/lobject.js: Use destructuring assignment where sensible
Diffstat (limited to 'src/lobject.js')
-rw-r--r--src/lobject.js46
1 files changed, 28 insertions, 18 deletions
diff --git a/src/lobject.js b/src/lobject.js
index 297401c..bbac165 100644
--- a/src/lobject.js
+++ b/src/lobject.js
@@ -41,7 +41,12 @@ const {
to_jsstring,
to_luastring
} = require('./defs.js');
-const ljstype = require('./ljstype.js');
+const {
+ lisdigit,
+ lisprint,
+ lisspace,
+ lisxdigit
+} = require('./ljstype.js');
const ldebug = require('./ldebug.js');
const ldo = require('./ldo.js');
const lfunc = require('./lfunc.js');
@@ -51,7 +56,12 @@ const {
luaS_new
} = require('./lstring.js');
const ltable = require('./ltable.js');
-const luaconf = require('./luaconf.js');
+const {
+ ldexp,
+ lua_getlocaledecpoint,
+ lua_integer2str,
+ lua_number2str
+} = require('./luaconf.js');
const lvm = require('./lvm.js');
const {
MAX_INT,
@@ -387,7 +397,7 @@ const luaO_chunkid = function(source, bufflen) {
};
const luaO_hexavalue = function(c) {
- if (ljstype.lisdigit(c)) return c - char['0'];
+ if (lisdigit(c)) return c - char['0'];
else return (String.fromCharCode(c).toLowerCase().charCodeAt(0) - char['a']) + 10;
};
@@ -420,14 +430,14 @@ const MAXSIGDIG = 30;
*/
const lua_strx2number = function(s) {
let i = 0;
- let dot = char[luaconf.lua_getlocaledecpoint()];
+ let dot = char[lua_getlocaledecpoint()];
let r = 0.0; /* result (accumulator) */
let sigdig = 0; /* number of significant digits */
let nosigdig = 0; /* number of non-significant digits */
let e = 0; /* exponent correction */
let neg; /* 1 if number is negative */
let hasdot = false; /* true after seen a dot */
- while (ljstype.lisspace(s[i])) i++; /* skip initial spaces */
+ while (lisspace(s[i])) i++; /* skip initial spaces */
if ((neg = (s[i] === char['-']))) i++; /* check signal */
else if (s[i] === char['+']) i++;
if (!(s[i] === char['0'] && (s[i+1] === char['x'] || s[i+1] === char['X']))) /* check '0x' */
@@ -436,7 +446,7 @@ const lua_strx2number = function(s) {
if (s[i] === dot) {
if (hasdot) break; /* second dot? stop loop */
else hasdot = true;
- } else if (ljstype.lisxdigit(s[i])) {
+ } else if (lisxdigit(s[i])) {
if (sigdig === 0 && s[i] === char['0']) /* non-significant digit (zero)? */
nosigdig++;
else if (++sigdig <= MAXSIGDIG) /* can read it without overflow? */
@@ -455,16 +465,16 @@ const lua_strx2number = function(s) {
i++; /* skip 'p' */
if ((neg1 = (s[i] === char['-']))) i++; /* signal */
else if (s[i] === char['+']) i++;
- if (!ljstype.lisdigit(s[i]))
+ if (!lisdigit(s[i]))
return null; /* invalid; must have at least one digit */
- while (ljstype.lisdigit(s[i])) /* read exponent */
+ while (lisdigit(s[i])) /* read exponent */
exp1 = exp1 * 10 + s[i++] - char['0'];
if (neg1) exp1 = -exp1;
e += exp1;
}
if (neg) r = -r;
return {
- n: luaconf.ldexp(r, e),
+ n: ldexp(r, e),
i: i
};
};
@@ -487,7 +497,7 @@ const lua_str2number = function(s) {
const l_str2dloc = function(s, mode) {
let result = mode === 'x' ? lua_strx2number(s) : lua_str2number(s); /* try to convert */
if (result === null) return null;
- while (ljstype.lisspace(s[result.i])) result.i++; /* skip trailing spaces */
+ while (lisspace(s[result.i])) result.i++; /* skip trailing spaces */
return (result.i === s.length || s[result.i] === 0) ? result : null; /* OK if no trailing characters */
};
@@ -522,18 +532,18 @@ const l_str2int = function(s) {
let empty = true;
let neg;
- while (ljstype.lisspace(s[i])) i++; /* skip initial spaces */
+ while (lisspace(s[i])) i++; /* skip initial spaces */
if ((neg = (s[i] === char['-']))) i++;
else if (s[i] === char['+']) i++;
if (s[i] === char['0'] && (s[i+1] === char['x'] || s[i+1] === char['X'])) { /* hex? */
i += 2; /* skip '0x' */
- for (; ljstype.lisxdigit(s[i]); i++) {
+ for (; lisxdigit(s[i]); i++) {
a = (a * 16 + luaO_hexavalue(s[i]))|0;
empty = false;
}
} else { /* decimal */
- for (; ljstype.lisdigit(s[i]); i++) {
+ for (; lisdigit(s[i]); i++) {
let d = s[i] - char['0'];
if (a >= MAXBY10 && (a > MAXBY10 || d > MAXLASTD + neg)) /* overflow? */
return null; /* do not accept it (as integer) */
@@ -541,7 +551,7 @@ const l_str2int = function(s) {
empty = false;
}
}
- while (ljstype.lisspace(s[i])) i++; /* skip trailing spaces */
+ while (lisspace(s[i])) i++; /* skip trailing spaces */
if (empty || (i !== s.length && s[i] !== 0)) return null; /* something wrong in the numeral */
else {
return {
@@ -570,12 +580,12 @@ const luaO_str2num = function(s, o) {
const luaO_tostring = function(L, obj) {
let buff;
if (obj.ttisinteger())
- buff = to_luastring(luaconf.lua_integer2str(obj.value));
+ buff = to_luastring(lua_integer2str(obj.value));
else {
- let str = luaconf.lua_number2str(obj.value);
+ let str = lua_number2str(obj.value);
// Assume no LUA_COMPAT_FLOATSTRING
if (/^[-0123456789]+$/.test(str)) { /* looks like an int? */
- str += luaconf.lua_getlocaledecpoint() + '0'; /* adds '.0' to result */
+ str += lua_getlocaledecpoint() + '0'; /* adds '.0' to result */
}
buff = to_luastring(str);
}
@@ -612,7 +622,7 @@ const luaO_pushvfstring = function(L, fmt, argp) {
}
case char['c']: {
let buff = argp[a++];
- if (ljstype.lisprint(buff))
+ if (lisprint(buff))
pushstr(L, luastring_of(buff));
else
luaO_pushfstring(L, to_luastring("<\\%d>", true), buff);