console = imports.console.console;
Token = imports.Token.Token;
-Lang = imports.Lange.Lang;
+Lang = imports.Lang.Lang;
+
/**
- @constructor
-*/
+ * @class TokenStream
+ *
+ * BC notes:
+ *
+ * nextT => nextTok
+ * lookT => lookTok
+ *
+ */
+
TokenStream = XObject.define(
+
+ /**
+ * @constructor
+ *
+ *
+ */
+
function(tokens) {
},
/**
- @type JSDOC.Token|JSDOC.Token[]| null!
- */
+ * @return {Token|null}
+ * next token (with white space)
+ */
+
+
next : function(/**Number*/howMany) {
if (typeof howMany == "undefined") howMany = 1;
if (howMany < 1) return null;
*/
balance : function(/**String*/start, /**String*/stop) {
- start = typeof(Lang.matching(start)) == 'undefined' ? Lang.punc(start) : start;
+
+ start = typeof(Lang.punc(start)) == 'undefined' ? start : Lang.punc(start);
if (!stop) stop = Lang.matching(start);
var depth = 0;
var got = [];
var started = false;
+ //Seed.print("START:" + start);
//Seed.print("STOP:" + stop);
while ((token = this.look())) {
if (token.is(start)) {
+ // Seed.print("balance: START : " + depth + " " + token.data);
depth++;
started = true;
}
if (token.is(stop)) {
depth--;
- if (depth == 0) return got;
+ // Seed.print("balance: STOP: " + depth + " " + token.data);
+ if (depth < 1) return got;
}
if (!this.next()) break;
}
})
return ret.join('');
},
- dump: function()
+ dump: function(start, end)
{
- this.tokens.forEach(function(t) {
- print(t.toString());
- });
+ start = Math.max(start || 0, 0);
+ end = Math.min(end || this.tokens.length, this.tokens.length);
+ var out='';
+ for (var i =start;i < end; i++) {
+
+ out += (this.tokens[i].outData == false) ? this.tokens[i].data : this.tokens[i].outData;
+ };
+ print(out);
}
});
\ No newline at end of file