namespace JSDOC {
+ public errordomain TokenStreamError {
+ ArgumentError
+ }
public class TokenStream : Object
{
- Gee.ArrayList<Token> tokens;
- int cursor; // where are we in the stream.
+ protected Gee.ArrayList<Token> tokens;
+ public int cursor; // where are we in the stream.
public TokenStream(Gee.ArrayList<Token> tokens) {
if (i < 0) {
return new Token("", "VOID", "START_OF_STREAM");
}
- if (i > this.tokens.size) {
+ if (i >= this.tokens.size) {
return new Token("", "VOID", "END_OF_STREAM");
}
i += (n < 0) ? -1 : 1;
}
- return new Token("", "VOID", "STREAM_ERROR"); // because null isn't an object and caller always expects an object
+ // return new Token("", "VOID", "STREAM_ERROR"); // because null isn't an object and caller always expects an object
}
}
// should not get here!
- return -1;
+ // return -1;
}
}
return new Token("", "VOID", "END_OF_STREAM");
}
- if (i > this.tokens.length) {
+ if (i >= this.tokens.size) {
return new Token("", "VOID", "END_OF_STREAM");
}
i += (n < 0) ? -1 : 1;
}
// should never get here..
- return new Token("", "VOID", "END_OF_STREAM");; // because null isn't an object and caller always expects an object;
+ // return new Token("", "VOID", "END_OF_STREAM");; // because null isn't an object and caller always expects an object;
}
}
- public Gee.ArrayList<Token> nextM(uint howMany) {
+ public Gee.ArrayList<Token>? nextM(int howMany) throws TokenStreamError {
//if (typeof howMany == "undefined") howMany = 1;
if (howMany < 2) {
- throw new JSDOC.TokenStreamError("nextM called with wrong number : %d",howMany);
+ throw new TokenStreamError.ArgumentError("nextM called with wrong number : %d", howMany);
}
var got = new Gee.ArrayList<Token>();
{
while (true) {
- tok = this.next();
+ var tok = this.next();
if (tok == null) {
return null;
}
* @param start {String} token name or data (eg. '{'
* @param stop {String} (Optional) token name or data (eg. '}'
*/
- public Gee.ArrayList<Token> balance (string start, string stop = "") {
+ public Gee.ArrayList<Token> balance (string start, string stop = "") throws TokenStreamError
+ {
// accepts names or "{" etc..
start = Lang.punc(start) == null ? start : Lang.punc(start);
if (stop=="") {
- stop = Lang.matching(start);
+ var newstop = Lang.matching(start);
+ stop = newstop;
}
if (stop == null) {
- throw new JSDOC.TokenStreamError("balance called with invalid start/stop : %s",start);
+ throw new TokenStreamError.ArgumentError("balance called with invalid start/stop : %s",start);
}
var depth = 0;
var started = false;
//Seed.print("START:" + start);
//Seed.print("STOP:" + stop);
+ Token token;
- while ((token = this.look())) {
+ while (null != (token = this.look(1,false))) {
if (token.is(start)) {
// Seed.print("balance: START : " + depth + " " + token.data);
depth++;
}
if (started) {
- got.push(token);
+ got.add(token);
}
if (token.is(stop)) {
return got;
}
}
- if (!this.next()) {
+ if (null == this.next()) {
break;
}
}
return new Gee.ArrayList<Token>();
}
- public Token getMatchingToken(string start, string stop) {
+ public Token? getMatchingToken(string start, string stop)
+ {
var depth = 0;
var cursor = this.cursor;
- if (!start) {
- start = Lang.matching(stop);
+ if (start.length < 1) {
+ var ns = Lang.matching(stop);
+ start = ns;
depth = 1;
}
- if (!stop) stop = Lang.matching(start);
+ if (stop.length < 1) {
+ var ns = Lang.matching(start);
+ stop = ns;
+ }
+ Token token;
- while ((token = this.tokens[cursor])) {
+ while (null != (token = this.tokens[cursor])) {
if (token.is(start)) {
depth++;
}
- if (token.is(stop) && cursor) {
+ if (token.is(stop) && cursor != 0) {
depth--;
- if (depth == 0) return this.tokens[cursor];
+ if (depth == 0) {
+ return this.tokens[cursor];
+ }
}
cursor++;
}
- return false;
+ return null;
}
-
- public Gee.ArrayList<Token> insertAhead(Token token) {
+ /*
+ public Gee.ArrayList<Token> insertAhead(Token token)
+ {
this.tokens.splice(this.cursor+1, 0, token); // fixme...
}
+ */
- remaining : function() {
- var ret = [];
+ public Gee.ArrayList<Token> remaining() {
+ var ret = new Gee.ArrayList<Token>();
while (true) {
var tok = this.look(1,true);
- if (!tok || !tok.is || tok.is('VOID')) {
+ if (tok.is("VOID")) {
return ret;
}
- ret.push(this.next(1));
+ var nt = this.next();
+ if (nt != null) {
+ ret.add(nt);
+ }
}
- },
+ }
-
+
+ public void printRange(int start, int end) {
+
+ for(var i = start; i < end +1; i++) {
+ print(this.tokens.get(i).asString());
+ }
+ }
+
+ /*
arrayToString : function(ar) {
console.log(typeof(ar));
var ret = [];
})
return ret.join('');
},
- dump: function(start, end)
+ */
+ public void dump(int start, int end)
{
- start = Math.max(start || 0, 0);
- end = Math.min(end || this.tokens.length, this.tokens.length);
- var out='';
+ start = int.max(start , 0);
+ end = int.min(end, this.tokens.size);
+ var outs = "";;
for (var i =start;i < end; i++) {
- out += (this.tokens[i].outData == false) ? this.tokens[i].data : this.tokens[i].outData;
- };
- print(out);
+ outs += (this.tokens[i].outData == "") ? this.tokens[i].data : this.tokens[i].outData;
+ }
+ print(outs);
+ }
+
+ public void dumpAll(string indent)
+ {
+ for (var i = 0;i < this.tokens.length; i++) {
+
+ this.tokens[i].dump();
+ }
+ print(outs);
}
-});
+
+
+ }
+}