Optimized Lexer_getObj 2x faster

This commit is contained in:
p01 2014-06-02 12:14:53 +02:00
parent 806aa36aa8
commit 37c9765ab4

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@ -755,19 +755,19 @@ var Lexer = (function LexerClosure() {
// command // command
var str = String.fromCharCode(ch); var str = String.fromCharCode(ch);
var knownCommands = this.knownCommands; var knownCommands = this.knownCommands;
var knownCommandFound = knownCommands && (str in knownCommands); var knownCommandFound = knownCommands && knownCommands[str] !== undefined;
while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) { while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) {
// stop if known command is found and next character does not make // stop if known command is found and next character does not make
// the str a command // the str a command
var possibleCommand = str + String.fromCharCode(ch); var possibleCommand = str + String.fromCharCode(ch);
if (knownCommandFound && !(possibleCommand in knownCommands)) { if (knownCommandFound && knownCommands[possibleCommand] === undefined) {
break; break;
} }
if (str.length === 128) { if (str.length === 128) {
error('Command token too long: ' + str.length); error('Command token too long: ' + str.length);
} }
str = possibleCommand; str = possibleCommand;
knownCommandFound = knownCommands && (str in knownCommands); knownCommandFound = knownCommands && knownCommands[str] !== undefined;
} }
if (str === 'true') { if (str === 'true') {
return true; return true;