From c58dc886c98c1151967a786b984d9c2c034a152b Mon Sep 17 00:00:00 2001 From: daurnimator Date: Mon, 29 Jan 2018 15:01:57 +1100 Subject: src/: Import lzio using destructured assignment --- src/ldo.js | 4 ++-- src/llex.js | 48 +++++++++++++++++++++++++++--------------------- 2 files changed, 29 insertions(+), 23 deletions(-) (limited to 'src') diff --git a/src/ldo.js b/src/ldo.js index ce8f7bc..b138e47 100644 --- a/src/ldo.js +++ b/src/ldo.js @@ -45,7 +45,7 @@ const ltm = require('./ltm.js'); const { LUAI_MAXSTACK } = require('./luaconf.js'); const lundump = require('./lundump.js'); const lvm = require('./lvm.js'); -const lzio = require('./lzio.js'); +const { MBuffer } = require('./lzio.js'); const adjust_top = function(L, newtop) { if (L.top < newtop) { @@ -692,7 +692,7 @@ const luaD_callnoyield = function(L, off, nResults) { class SParser { constructor(z, name, mode) { /* data to 'f_parser' */ this.z = z; - this.buff = new lzio.MBuffer(); /* dynamic structure used by the scanner */ + this.buff = new MBuffer(); /* dynamic structure used by the scanner */ this.dyd = new lparser.Dyndata(); /* dynamic structures used by the parser */ this.mode = mode; this.name = name; diff --git a/src/llex.js b/src/llex.js index b09aa93..646f8f6 100644 --- a/src/llex.js +++ b/src/llex.js @@ -18,7 +18,13 @@ const { } = require('./lstring.js'); const ltable = require('./ltable.js'); const llimits = require('./llimits.js'); -const lzio = require('./lzio.js'); +const { + EOZ, + luaZ_buffer, + luaZ_buffremove, + luaZ_resetbuffer, + luaZ_resizebuffer +} = require('./lzio.js'); const FIRST_RESERVED = 257; @@ -119,7 +125,7 @@ const save = function(ls, c) { if (b.buffer.length >= llimits.MAX_INT/2) lexerror(ls, to_luastring("lexical element too long", true), 0); let newsize = b.buffer.length*2; - lzio.luaZ_resizebuffer(ls.L, b, newsize); + luaZ_resizebuffer(ls.L, b, newsize); } b.buffer[b.n++] = c < 0 ? 255 + c + 1 : c; }; @@ -200,7 +206,7 @@ const luaX_setinput = function(L, ls, z, source, firstchar) { ls.lastline = 1; ls.source = source; ls.envn = luaS_bless(L, LUA_ENV); - lzio.luaZ_resizebuffer(L, ls.buff, llimits.LUA_MINBUFFER); /* initialize buffer */ + luaZ_resizebuffer(L, ls.buff, llimits.LUA_MINBUFFER); /* initialize buffer */ }; const check_next1 = function(ls, c) { @@ -246,7 +252,7 @@ const read_numeral = function(ls, seminfo) { // save(ls, 0); let obj = new lobject.TValue(); - if (lobject.luaO_str2num(lzio.luaZ_buffer(ls.buff), obj) === 0) /* format error? */ + if (lobject.luaO_str2num(luaZ_buffer(ls.buff), obj) === 0) /* format error? */ lexerror(ls, to_luastring("malformed number", true), R.TK_FLT); if (obj.ttisinteger()) { seminfo.i = obj.value; @@ -263,7 +269,7 @@ const txtToken = function(ls, token) { case R.TK_NAME: case R.TK_STRING: case R.TK_FLT: case R.TK_INT: // save(ls, 0); - return lobject.luaO_pushfstring(ls.L, to_luastring("'%s'", true), lzio.luaZ_buffer(ls.buff)); + return lobject.luaO_pushfstring(ls.L, to_luastring("'%s'", true), luaZ_buffer(ls.buff)); default: return luaX_token2str(ls, token); } @@ -307,7 +313,7 @@ const read_long_string = function(ls, seminfo, sep) { let skip = false; for (; !skip ;) { switch (ls.current) { - case lzio.EOZ: { /* error */ + case EOZ: { /* error */ let what = seminfo ? "string" : "comment"; let msg = `unfinished long ${what} (starting at line ${line})`; lexerror(ls, to_luastring(msg), R.TK_EOS); @@ -324,7 +330,7 @@ const read_long_string = function(ls, seminfo, sep) { case 13 /* ('\r').charCodeAt(0) */: { save(ls, 10 /* ('\n').charCodeAt(0) */); inclinenumber(ls); - if (!seminfo) lzio.luaZ_resetbuffer(ls.buff); + if (!seminfo) luaZ_resetbuffer(ls.buff); break; } default: { @@ -340,7 +346,7 @@ const read_long_string = function(ls, seminfo, sep) { const esccheck = function(ls, c, msg) { if (!c) { - if (ls.current !== lzio.EOZ) + if (ls.current !== EOZ) save_and_next(ls); /* add current to buffer for error message */ lexerror(ls, msg, R.TK_STRING); } @@ -355,7 +361,7 @@ const gethexa = function(ls) { const readhexaesc = function(ls) { let r = gethexa(ls); r = (r << 4) + gethexa(ls); - lzio.luaZ_buffremove(ls.buff, 2); /* remove saved chars from buffer */ + luaZ_buffremove(ls.buff, 2); /* remove saved chars from buffer */ return r; }; @@ -374,7 +380,7 @@ const readutf8desc = function(ls) { } esccheck(ls, ls.current === 125 /* ('}').charCodeAt(0) */, to_luastring("missing '}'", true)); next(ls); /* skip '}' */ - lzio.luaZ_buffremove(ls.buff, i); /* remove saved chars from buffer */ + luaZ_buffremove(ls.buff, i); /* remove saved chars from buffer */ return r; }; @@ -393,7 +399,7 @@ const readdecesc = function(ls) { save_and_next(ls); } esccheck(ls, r <= 255, to_luastring("decimal escape too large", true)); - lzio.luaZ_buffremove(ls.buff, i); /* remove read digits from buffer */ + luaZ_buffremove(ls.buff, i); /* remove read digits from buffer */ return r; }; @@ -402,7 +408,7 @@ const read_string = function(ls, del, seminfo) { while (ls.current !== del) { switch (ls.current) { - case lzio.EOZ: + case EOZ: lexerror(ls, to_luastring("unfinished string", true), R.TK_EOS); break; case 10 /* ('\n').charCodeAt(0) */: @@ -430,9 +436,9 @@ const read_string = function(ls, del, seminfo) { case 34 /* ('"').charCodeAt(0) */: case 39 /* ('\'').charCodeAt(0) */: c = ls.current; will = 'read_save'; break; - case lzio.EOZ: will = 'no_save'; break; /* will raise an error next loop */ + case EOZ: will = 'no_save'; break; /* will raise an error next loop */ case 122 /* ('z').charCodeAt(0) */: { /* zap following span of spaces */ - lzio.luaZ_buffremove(ls.buff, 1); /* remove '\\' */ + luaZ_buffremove(ls.buff, 1); /* remove '\\' */ next(ls); /* skip the 'z' */ while (ljstype.lisspace(ls.current)) { if (currIsNewline(ls)) inclinenumber(ls); @@ -451,7 +457,7 @@ const read_string = function(ls, del, seminfo) { next(ls); if (will === 'read_save' || will === 'only_save') { - lzio.luaZ_buffremove(ls.buff, 1); /* remove '\\' */ + luaZ_buffremove(ls.buff, 1); /* remove '\\' */ save(ls, c); } @@ -475,7 +481,7 @@ const isreserved = function(w) { }; const llex = function(ls, seminfo) { - lzio.luaZ_resetbuffer(ls.buff); + luaZ_resetbuffer(ls.buff); for (;;) { lua_assert(typeof ls.current == "number"); /* fengari addition */ switch (ls.current) { @@ -498,16 +504,16 @@ const llex = function(ls, seminfo) { next(ls); if (ls.current === 91 /* ('[').charCodeAt(0) */) { /* long comment? */ let sep = skip_sep(ls); - lzio.luaZ_resetbuffer(ls.buff); /* 'skip_sep' may dirty the buffer */ + luaZ_resetbuffer(ls.buff); /* 'skip_sep' may dirty the buffer */ if (sep >= 0) { read_long_string(ls, null, sep); /* skip long comment */ - lzio.luaZ_resetbuffer(ls.buff); /* previous call may dirty the buff. */ + luaZ_resetbuffer(ls.buff); /* previous call may dirty the buff. */ break; } } /* else short comment */ - while (!currIsNewline(ls) && ls.current !== lzio.EOZ) + while (!currIsNewline(ls) && ls.current !== EOZ) next(ls); /* skip until end of line (or end of file) */ break; } @@ -571,7 +577,7 @@ const llex = function(ls, seminfo) { case 53 /* ('5').charCodeAt(0) */: case 54 /* ('6').charCodeAt(0) */: case 55 /* ('7').charCodeAt(0) */: case 56 /* ('8').charCodeAt(0) */: case 57 /* ('9').charCodeAt(0) */: { return read_numeral(ls, seminfo); } - case lzio.EOZ: { + case EOZ: { return R.TK_EOS; } default: { @@ -579,7 +585,7 @@ const llex = function(ls, seminfo) { do { save_and_next(ls); } while (ljstype.lislalnum(ls.current)); - let ts = luaX_newstring(ls, lzio.luaZ_buffer(ls.buff)); + let ts = luaX_newstring(ls, luaZ_buffer(ls.buff)); seminfo.ts = ts; let kidx = token_to_index[luaS_hashlongstr(ts)]; if (kidx !== void 0 && kidx <= 22) /* reserved word? */ -- cgit v1.2.3-54-g00ecf