diff options
Diffstat (limited to 'src/llex.js')
| -rw-r--r-- | src/llex.js | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/src/llex.js b/src/llex.js index 2c3e166..360e3d7 100644 --- a/src/llex.js +++ b/src/llex.js @@ -12,7 +12,13 @@ const { } = require('./llimits.js'); const ldebug = require('./ldebug.js'); const ldo = require('./ldo.js'); -const ljstype = require('./ljstype.js'); +const { + lisdigit, + lislalnum, + lislalpha, + lisspace, + lisxdigit +} = require('./ljstype.js'); const lobject = require('./lobject.js'); const { luaS_bless, @@ -273,7 +279,7 @@ const check_next2 = function(ls, set) { const read_numeral = function(ls, seminfo) { let expo = "Ee"; let first = ls.current; - lua_assert(ljstype.lisdigit(ls.current)); + lua_assert(lisdigit(ls.current)); save_and_next(ls); if (first === 48 /* ('0').charCodeAt(0) */ && check_next2(ls, "xX")) /* hexadecimal? */ expo = "Pp"; @@ -281,7 +287,7 @@ const read_numeral = function(ls, seminfo) { for (;;) { if (check_next2(ls, expo)) /* exponent part? */ check_next2(ls, "-+"); /* optional exponent sign */ - if (ljstype.lisxdigit(ls.current)) + if (lisxdigit(ls.current)) save_and_next(ls); else if (ls.current === 46 /* ('.').charCodeAt(0) */) save_and_next(ls); @@ -393,7 +399,7 @@ const esccheck = function(ls, c, msg) { const gethexa = function(ls) { save_and_next(ls); - esccheck(ls, ljstype.lisxdigit(ls.current), to_luastring("hexadecimal digit expected", true)); + esccheck(ls, lisxdigit(ls.current), to_luastring("hexadecimal digit expected", true)); return lobject.luaO_hexavalue(ls.current); }; @@ -411,7 +417,7 @@ const readutf8desc = function(ls) { let r = gethexa(ls); /* must have at least one digit */ save_and_next(ls); - while (ljstype.lisxdigit(ls.current)) { + while (lisxdigit(ls.current)) { i++; r = (r << 4) + lobject.luaO_hexavalue(ls.current); esccheck(ls, r <= 0x10FFFF, to_luastring("UTF-8 value too large", true)); @@ -433,7 +439,7 @@ const utf8esc = function(ls) { const readdecesc = function(ls) { let r = 0; /* result accumulator */ let i; - for (i = 0; i < 3 && ljstype.lisdigit(ls.current); i++) { /* read up to 3 digits */ + for (i = 0; i < 3 && lisdigit(ls.current); i++) { /* read up to 3 digits */ r = 10 * r + ls.current - 48 /* ('0').charCodeAt(0) */; save_and_next(ls); } @@ -479,14 +485,14 @@ const read_string = function(ls, del, seminfo) { case 122 /* ('z').charCodeAt(0) */: { /* zap following span of spaces */ luaZ_buffremove(ls.buff, 1); /* remove '\\' */ next(ls); /* skip the 'z' */ - while (ljstype.lisspace(ls.current)) { + while (lisspace(ls.current)) { if (currIsNewline(ls)) inclinenumber(ls); else next(ls); } will = 'no_save'; break; } default: { - esccheck(ls, ljstype.lisdigit(ls.current), to_luastring("invalid escape sequence", true)); + esccheck(ls, lisdigit(ls.current), to_luastring("invalid escape sequence", true)); c = readdecesc(ls); /* digital escape '\ddd' */ will = 'only_save'; break; } @@ -609,7 +615,7 @@ const llex = function(ls, seminfo) { return TK_DOTS; /* '...' */ else return TK_CONCAT; /* '..' */ } - else if (!ljstype.lisdigit(ls.current)) return 46 /* ('.').charCodeAt(0) */; + else if (!lisdigit(ls.current)) return 46 /* ('.').charCodeAt(0) */; else return read_numeral(ls, seminfo); } case 48 /* ('0').charCodeAt(0) */: case 49 /* ('1').charCodeAt(0) */: case 50 /* ('2').charCodeAt(0) */: case 51 /* ('3').charCodeAt(0) */: case 52 /* ('4').charCodeAt(0) */: @@ -620,10 +626,10 @@ const llex = function(ls, seminfo) { return TK_EOS; } default: { - if (ljstype.lislalpha(ls.current)) { /* identifier or reserved word? */ + if (lislalpha(ls.current)) { /* identifier or reserved word? */ do { save_and_next(ls); - } while (ljstype.lislalnum(ls.current)); + } while (lislalnum(ls.current)); let ts = luaX_newstring(ls, luaZ_buffer(ls.buff)); seminfo.ts = ts; let kidx = token_to_index[luaS_hashlongstr(ts)]; |