Class %ZEN.Report.Display.COSChart.dsFormulaParser

deprecatedclass %ZEN.Report.Display.COSChart.dsFormulaParser extends %RegisteredObject

Parameters	Properties	Methods	Queries	Indices	ForeignKeys	Triggers
	6	28

Summary

Properties
dsFormulaLastError	engine	errorHTML	funcSet
lookupTable	parseTree

Methods
%AddToSaveSet	%ClassIsLatestVersion	%ClassName	%ConstructClone
%DispatchClassMethod	%DispatchGetModified	%DispatchGetProperty	%DispatchMethod
%DispatchSetModified	%DispatchSetMultidimProperty	%DispatchSetProperty	%Extends
%GetParameter	%IsA	%IsModified	%New
%NormalizeObject	%ObjectModified	%OnNew	%OriginalNamespace
%PackageName	%RemoveFromSaveSet	%SerializeObject	%SetModified
%ValidateObject	Insert	dsGetErrorHTML	eval
evalNode	findFunctionInFunctionSet	get	getPrecedence
getTree	isBinaryOperator	isExpressionBalanced	isFunction
isIdentChar	isOperatorChar	isSpecialChar	isUnaryOperator
isUnaryOperatorChar	isValidClassName	isValidIdent	isWhiteSpace
lastIndexOf	parse	reduceFunction	reduceTokens
setFunctionSet	setTree	testPrecedence	tokenize

Properties

• property dsFormulaLastError as %String;

• property engine as dsFormulaEngine;

• property errorHTML as %String;

• property funcSet as list of function;

• property lookupTable as %String [ MultiDimensional ];

• property parseTree as parseTreeNode;

Methods

• method %OnNew() as %Status

This callback method is invoked by the %New method to provide notification that a new instance of an object is being created.
If this method returns an error then the object will not be created.
It is passed the arguments provided in the %New call. When customizing this method, override the arguments with whatever variables and types you expect to receive from %New(). For example, if you're going to call %New, passing 2 arguments, %OnNew's signature could be:
Method %OnNew(dob as %Date = "", name as %Name = "") as %Status If instead of returning a %Status code this returns an oref and this oref is a subclass of the current class then this oref will be the one returned to the caller of %New method.

• classmethod Insert(array, obj)

• method dsGetErrorHTML(code, msg, expr, start, end)

Return error HTML.

• method eval(lookupFunc)

Evaluate a DeepSee formula. lookupFunc is a function used to lookup ident values.

• method evalNode(node, lookupFunc)

Evaluate a node within a parse tree

• method findFunctionInFunctionSet(func)

findFunctionInFunction

• classmethod get(arg, defvalue)

• method getPrecedence(op)

Return the precedence value for the given operator.

• method getTree()

Get the parse tree.

• method isBinaryOperator(ch)

• method isExpressionBalanced(expr)

Make a pass over expression and make sure parens and quotes are balanced

• method isFunction(token)

test if token is a supported function name

• method isIdentChar(ch, start)

• method isOperatorChar(ch)

• method isSpecialChar(ch)

• method isUnaryOperator(ch)

• method isUnaryOperatorChar(ch)

• classmethod isValidClassName(token)

test if token is a valid class name

• classmethod isValidIdent(token)

test if complete token is a valid identifier

• method isWhiteSpace(ch)

• classmethod lastIndexOf(string, substring)

• method parse(expr)

Parse a DeepSee formula.

• method reduceFunction(tokens, offset, expr)

Reduce a function within a token list. Return index of next token.

• method reduceTokens(tokens, expr)

Reduce the token list (tokens) into a parse tree (expr) and return the top node of it.

• method setFunctionSet(funcSet)

Connect a function set to the parser.

• method setTree(tree)

Set the parse tree directly.

• method testPrecedence(op1, op2)

Test if op1 has precendence over op2

• method tokenize(expr)

tokenize a DeepSee formula; return a list of tokens. each token is of the form: {type:ident|func|,|(|)|unary|op|string|number , value:value} In ObjectScript the tokenList is a list of parseTreeNodes.

Class Reference IRIS for UNIX 2024.1.2
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