//<script type="text/javscript">
-imports['Object.js'].load(Object);
-JSDOC = imports['JSDOC.js'].JSDOC;
-console = imports['console.js'].console;
-Token = imports['JSDOC/Token.js'].Token;
-Lang = imports['JSDOC/Lang.js'].Lang;
+XObject = imports.XObject.XObject;
+
+
+
+console = imports.console.console;
+Token = imports.Token.Token;
+Lang = imports.Lang.Lang;
+
/**
- @constructor
-*/
+ * @class TokenStream
+ *
+ * BC notes:
+ *
+ * nextT => nextTok
+ * lookT => lookTok
+ *
+ */
+
-TokenStream = Object.define(
+TokenStream = XObject.define(
+
+ /**
+ * @constructor
+ *
+ *
+ */
+
function(tokens) {
if (typeof n == "undefined") n = 0;
if (considerWhitespace == true) {
- if (this.cursor+n < 0 || this.cursor+n > this.tokens.length) return {};
+ if (this.cursor+n < 0 || this.cursor+n > (this.tokens.length -1)) {
+ return new Token("", "VOID", "START_OF_STREAM");
+ }
return this.tokens[this.cursor+n];
}
else {
count++;
(n < 0)? i-- : i++;
}
-
+ // should never get here..
return false; // because null isn't an object and caller always expects an object;
},
/**
- @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