org.jsimpledb.parse.expr

Class AtomExprParser

java.lang.Object

org.jsimpledb.parse.expr.AtomExprParser

All Implemented Interfaces:

Parser<Node>

public class AtomExprParser
extends Object
implements Parser<Node>

Parses atomic Java expressions such as parenthesized expressions, new expressions, session function calls, identifiers (e.g., lambda method parameter names), and literals.

Includes these extensions:

• Access to Java bean methods via "property syntax", e.g., foo.name = "fred" means foo.setName("fred")
• Access database object fields via "property syntax" given an object ID, e.g., @fc21bf6d8930a215.name

Field Summary

Fields

Modifier and Type	Field and Description
static AtomExprParser	INSTANCE

Constructor Summary

Constructors

Constructor and Description
AtomExprParser()

Method Summary

Modifier and Type	Method and Description
Node	parse(ParseSession session, ParseContext ctx, boolean complete) Parse text from the given parse context.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final AtomExprParser INSTANCE

Constructor Detail

AtomExprParser

public AtomExprParser()

Method Detail

parse

public Node parse(ParseSession session,
                  ParseContext ctx,
                  boolean complete)

Description copied from interface: Parser

Parse text from the given parse context.

Generally speaking, this method may assume that any whitespace allowed before the item being parsed has already been skipped over (that's a matter for the containing parser).

Specified by:

parse in interface Parser<Node>

Parameters:

session - parse session

ctx - input to parse

complete - false if parse is "for real", true if only for tab completion calculation

Returns:

parsed value