public ANode call(Str str) throws IOException {
String input = str.toJava();
SingleParser singleParser =
new SingleParser(new IOContent(""), MainOptions.get()) {
@Override
protected void parse() throws IOException {}
};
MemBuilder memBuilder = new MemBuilder(input, singleParser);
memBuilder.init();
BaseXTreeBuilder treeBuilder = new BaseXTreeBuilder(memBuilder);
Parse_XQDocComments parser = new Parse_XQDocComments();
parser.initialize(input, treeBuilder);
try {
execute(parser);
} catch (ParseException pe) {
memBuilder = new MemBuilder(input, singleParser);
memBuilder.init();
Atts atts = new Atts();
atts.add(Token.token("b"), Token.token(pe.getBegin() + 1));
atts.add(Token.token("e"), Token.token(pe.getEnd() + 1));
if (pe.getOffending() < 0) {
atts.add(Token.token("s"), Token.token(pe.getState()));
} else {
atts.add(Token.token("o"), Token.token(pe.getOffending()));
atts.add(Token.token("x"), Token.token(pe.getExpected()));
}
memBuilder.openElem(Token.token("ERROR"), atts, new Atts());
memBuilder.text(Token.token(parser.getErrorMessage(pe)));
memBuilder.closeElem();
}
return new DBNode(memBuilder.data());
}
public String getErrorMessage(ParseException e) {
String[] tokenSet = getExpectedTokenSet(e);
String found = getOffendingToken(e);
String prefix = input.subSequence(0, e.getBegin()).toString();
int line = prefix.replaceAll("[^\n]", "").length() + 1;
int column = prefix.length() - prefix.lastIndexOf('\n');
int size = e.getEnd() - e.getBegin();
return e.getMessage()
+ (found == null ? "" : ", found " + found)
+ "\nwhile expecting "
+ (tokenSet.length == 1 ? tokenSet[0] : java.util.Arrays.toString(tokenSet))
+ "\n"
+ (size == 0 || found != null
? ""
: "after successfully scanning " + size + " characters beginning ")
+ "at line "
+ line
+ ", column "
+ column
+ ":\n..."
+ input.subSequence(e.getBegin(), Math.min(input.length(), e.getBegin() + 64))
+ "...";
}
