Package com.helix.core.parser.ast

Class AstBuilder

java.lang.Object

com.helix.core.parser.ast.AstBuilder

public class AstBuilder
extends Object

Expression tokenizer and recursive descent AST parser. Converts raw string expressions into structured ExpressionNode trees.

Constructor Summary

Constructors

Constructor	Description
AstBuilder()

Method Summary

Modifier and Type	Method	Description
ExpressionNode	buildAst(String expression)	Parses an expression string into an ExpressionNode.

Methods inherited from class java.lang.Object

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

Constructor Details

AstBuilder

public AstBuilder()

Method Details

buildAst

public ExpressionNode buildAst(String expression)
                        throws ParseException

Parses an expression string into an ExpressionNode.

Parameters:

expression - raw string expression (e.g., "x > 10 && y.equals(\"test\")")

Returns:

root AST node

Throws:

ParseException - if syntax or tokenization fails