Method indent

src/org/antlr/codebuff/Formatter.java:266–314

(int indentCat, TerminalNode node)

	}

	public void indent(int indentCat, TerminalNode node) {
		int tokenIndexInStream = node.getSymbol().getTokenIndex();
		List<Token> tokensOnPreviousLine = getTokensOnPreviousLine(testDoc.tokens, tokenIndexInStream, line);
		Token firstTokenOnPrevLine = null;
		if ( tokensOnPreviousLine.size()>0 ) {
			firstTokenOnPrevLine = tokensOnPreviousLine.get(0);
		}

		if ( indentCat==CAT_INDENT ) {
			if ( firstTokenOnPrevLine!=null ) { // if not on first line, we cannot indent
				int indentedCol = firstTokenOnPrevLine.getCharPositionInLine()+indentSize;
				charPosInLine = indentedCol;
				output.append(Tool.spaces(indentedCol));
			}
			else {
				// no prev token? ok, just indent from left edge
				charPosInLine = indentSize;
				output.append(Tool.spaces(indentSize));
			}
			return;
		}
		int[] deltaChild = Trainer.unindentcat(indentCat);
		int deltaFromAncestor = deltaChild[0];
		int childIndex = deltaChild[1];
		ParserRuleContext earliestLeftAncestor = earliestAncestorStartingWithToken(node);
		ParserRuleContext ancestor = Trainer.getAncestor(earliestLeftAncestor, deltaFromAncestor);
		Token start = null;
		if ( ancestor==null ) {
//			System.err.println("Whoops. No ancestor at that delta");
		}
		else {
			ParseTree child = ancestor.getChild(childIndex);
			if ( child instanceof ParserRuleContext ) {
				start = ((ParserRuleContext) child).getStart();
			}
			else if ( child instanceof TerminalNode ) {
				start = ((TerminalNode) child).getSymbol();
			}
			else {
				// uh oh.
//				System.err.println("Whoops. Tried to access invalid child");
			}
		}
		if ( start!=null ) {
			int indentCol = start.getCharPositionInLine()+indentSize;
			charPosInLine = indentCol;
			output.append(Tool.spaces(indentCol));
		}
	}

	public void align(int alignOrIndent, TerminalNode node) {
		int[] deltaChild = Trainer.triple(alignOrIndent);