diff options
Diffstat (limited to 'src/lauxlib.js')
| -rw-r--r-- | src/lauxlib.js | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/lauxlib.js b/src/lauxlib.js index 6489dc7..9a6666a 100644 --- a/src/lauxlib.js +++ b/src/lauxlib.js @@ -702,7 +702,7 @@ class LoadF { constructor() { this.n = NaN; /* number of pre-read characters */ this.f = null; /* file being read */ - this.buff = new Buffer(1024); /* area for reading file */ + this.buff = WEB ? new Array(1024) : new Buffer(1024); /* area for reading file */ this.pos = 0; /* current position in file */ this.err = void 0; } @@ -711,6 +711,14 @@ class LoadF { if (WEB) { const getF = function(L, ud) { let lf = ud; + + if (lf.f !== null && lf.n > 0) { /* are there pre-read characters to be read? */ + let bytes = lf.n; /* return them (chars already in buffer) */ + lf.n = 0; /* no more pre-read characters */ + lf.f = lf.f.slice(lf.pos); /* we won't use lf.buff anymore */ + return lf.buff.slice(0, bytes); + } + let f = lf.f; lf.f = null; return f; @@ -726,9 +734,9 @@ if (WEB) { if (filename === null) { throw new Error("Can't read stdin in the browser"); } else { - let jsfilename = lua.to_jsstring(filename); - lua.lua_pushfstring(L, "@%s", filename); + lua.lua_pushfstring(L, lua.to_luastring("@%s"), filename); + let jsfilename = lua.to_jsstring(filename); let xhr = new XMLHttpRequest(); xhr.open("GET", jsfilename, false); // TODO: find a way to load bytes instead of js string @@ -798,9 +806,9 @@ if (WEB) { lua.lua_pushliteral(L, "=stdin"); lf.f = process.stdin.fd; } else { - let jsfilename = lua.to_jsstring(filename); - lua.lua_pushfstring(L, "@%s", filename); + lua.lua_pushfstring(L, lua.to_luastring("@%s"), filename); try { + let jsfilename = lua.to_jsstring(filename); lf.f = fs.openSync(jsfilename, "r"); if (!fs.fstatSync(lf.f).isFile()) throw new Error(`${jsfilename} is not a readable file`); |