Examples with SingleStatement org.eclipse.scout.rt.server.jdbc.parsers.sql.SqlParserToken.SingleStatement used on opensource projects

Example 1 with SingleStatement

use of org.eclipse.scout.rt.server.jdbc.parsers.sql.SqlParserToken.SingleStatement in project scout.rt by eclipse.

the class SqlFormatter method formatStatement.

private void formatStatement(Statement stm, FormatContext ctx) {
    if (stm != null) {
        for (IToken t : stm.getChildren()) {
            if (t instanceof Statement) {
                formatStatement((Statement) t, ctx);
            } else if (t instanceof SingleStatement) {
                formatSingleStatement((SingleStatement) t, ctx);
            } else if (t instanceof BracketExpr) {
                formatBracketExpr((BracketExpr) t, ctx);
            } else if (t instanceof UnionToken) {
                formatDefault(t, ctx);
                ctx.println();
            } else if (t instanceof Unparsed) {
                ctx.println("*** UNPARSED ***");
                formatDefault(t, ctx);
                ctx.println();
            } else {
                formatDefault(t, ctx);
            }
        }
    }
}

Example 2 with SingleStatement

use of org.eclipse.scout.rt.server.jdbc.parsers.sql.SqlParserToken.SingleStatement in project scout.rt by eclipse.

the class SqlFormatter method formatBracketExpr.

private void formatBracketExpr(BracketExpr stm, FormatContext ctx) {
    boolean multiline = isMultiline(stm);
    for (IToken t : stm.getChildren()) {
        if (t instanceof OpenBracketToken) {
            formatDefault(t, ctx);
            if (multiline) {
                ctx.println();
                ctx.in();
            }
        } else if (t instanceof CloseBracketToken) {
            if (multiline) {
                ctx.out();
            }
            formatDefault(t, ctx);
        } else if (t instanceof Statement) {
            formatStatement((Statement) t, ctx);
        } else if (t instanceof SingleStatement) {
            formatSingleStatement((SingleStatement) t, ctx);
        } else if (t instanceof ListExpr) {
            formatListExpr((ListExpr) t, multiline, ctx);
        } else {
            formatDefault(t, ctx);
        }
    }
}

Example 3 with SingleStatement

use of org.eclipse.scout.rt.server.jdbc.parsers.sql.SqlParserToken.SingleStatement in project scout.rt by eclipse.

the class SqlParser method parseStatement.

@SuppressWarnings("squid:S2583")
private Statement parseStatement(List<IToken> list, ParseContext ctx) {
    // SingleStatement (UnionToken SingleStatement)*
    ParseStep lock = ctx.checkAndAdd("Statement", list);
    if (lock == null) {
        return null;
    }
    try {
        IToken ss = parseSingleStatement(list, ctx);
        if (ss == null) {
            return null;
        }
        Statement s = new Statement();
        s.addChild(ss);
        UnionToken u;
        IToken nexts = null;
        while ((u = removeToken(list, UnionToken.class)) != null && (nexts = parseSingleStatement(list, ctx)) != null) {
            s.addChild(u);
            s.addChild(nexts);
        }
        // restore incomplete
        if (u != null && nexts == null) {
            // NOSONAR
            list.add(0, u);
        }
        return s;
    } finally {
        ctx.remove(lock);
    }
}

Example 4 with SingleStatement

use of org.eclipse.scout.rt.server.jdbc.parsers.sql.SqlParserToken.SingleStatement in project scout.rt by eclipse.

the class SqlParser method parseSingleStatement.

/**
 * return {@link SingleStatement} or {@link BracketExpr}
 */
private IToken parseSingleStatement(List<IToken> list, ParseContext ctx) {
    ParseStep lock = ctx.checkAndAdd("SingleStatement", list);
    if (lock == null) {
        return null;
    }
    try {
        // brackets
        ArrayList<IToken> backup = new ArrayList<IToken>(list);
        BracketExpr be = parseBracketExpr(list, ctx);
        if (be != null) {
            BracketExpr tmp = be;
            while (tmp != null) {
                // open, token, close
                IToken ch = tmp.getChildren().get(1);
                if (ch instanceof BracketExpr) {
                    tmp = (BracketExpr) ch;
                } else if (ch instanceof Statement) {
                    return be;
                } else if (ch instanceof SingleStatement) {
                    return be;
                } else {
                    tmp = null;
                }
            }
            // restore
            list.clear();
            list.addAll(backup);
            return null;
        }
        // 
        // Part+
        Part p;
        SingleStatement ss = new SingleStatement();
        if ((p = parsePart(list, ctx, true)) != null) {
            // ok
            ss.addChild(p);
        } else {
            return null;
        }
        while ((p = parsePart(list, ctx, false)) != null) {
            ss.addChild(p);
        }
        if (ss.getChildren().size() == 0) {
            return null;
        }
        return ss;
    } finally {
        ctx.remove(lock);
    }
}