Package rocks.palaiologos.maja.expression

Class DefaultExpressionVisitor

java.lang.Object

org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<Object>

rocks.palaiologos.maja.expression.DefaultExpressionVisitor

All Implemented Interfaces:

org.antlr.v4.runtime.tree.ParseTreeVisitor<Object>, ExpressionVisitor<Object>

class DefaultExpressionVisitor
extends org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<Object>
implements ExpressionVisitor<Object>

Field Summary

Fields

Modifier and Type	Field	Description
private Environment	env

Constructor Summary

Constructors

Constructor	Description
DefaultExpressionVisitor(Environment env)

Method Summary

Modifier and Type	Method	Description
private static Object	addFor(Object cur, Object step)
private static boolean	allDouble(Object... objs)
private static boolean	anyComplex(Object... objs)
private static double	coerceDouble(Object obj)
private static Object	determineStep(Object begin, Object end)
private static Complex	forceComplex(Object d)
private Environment	getEnv()
private static boolean	isPathologic(double d)
private static boolean	mayFor(Object cur, Object end)
(package private) static <E> List<E>	of(E e1)
(package private) static <E> List<E>	of(E e1, E e2)
(package private) static List<String>	of(String... e)
private void	setEnv(Environment env)
private static Object	simplify(Object input, boolean recurrent)
private boolean	truthy(Object cond)
Object	visit(org.antlr.v4.runtime.tree.ParseTree tree)
Object	visitBlock(ExpressionParser.BlockContext ctx)	Visit a parse tree produced by ExpressionParser.block().
Object	visitExprAdd(ExpressionParser.ExprAddContext ctx)	Visit a parse tree produced by the ExprAdd labeled alternative in ExpressionParser.expression().
Object	visitExprAnd(ExpressionParser.ExprAndContext ctx)	Visit a parse tree produced by the ExprAnd labeled alternative in ExpressionParser.expression().
Object	visitExprDiv(ExpressionParser.ExprDivContext ctx)	Visit a parse tree produced by the ExprDiv labeled alternative in ExpressionParser.expression().
Object	visitExprEq(ExpressionParser.ExprEqContext ctx)	Visit a parse tree produced by the ExprEq labeled alternative in ExpressionParser.expression().
Object	visitExprFunctionCall(ExpressionParser.ExprFunctionCallContext ctx)	Visit a parse tree produced by the ExprFunctionCall labeled alternative in ExpressionParser.expression().
Object	visitExprGcd(ExpressionParser.ExprGcdContext ctx)	Visit a parse tree produced by the ExprGcd labeled alternative in ExpressionParser.expression().
Object	visitExprGe(ExpressionParser.ExprGeContext ctx)	Visit a parse tree produced by the ExprGe labeled alternative in ExpressionParser.expression().
Object	visitExprGt(ExpressionParser.ExprGtContext ctx)	Visit a parse tree produced by the ExprGt labeled alternative in ExpressionParser.expression().
Object	visitExprIndex(ExpressionParser.ExprIndexContext ctx)	Visit a parse tree produced by the ExprIndex labeled alternative in ExpressionParser.expression().
Object	visitExprInt(ExpressionParser.ExprIntContext ctx)	Visit a parse tree produced by the ExprInt labeled alternative in ExpressionParser.expression().
Object	visitExprLambda(ExpressionParser.ExprLambdaContext ctx)	Visit a parse tree produced by the ExprLambda labeled alternative in ExpressionParser.expression().
Object	visitExprLcm(ExpressionParser.ExprLcmContext ctx)	Visit a parse tree produced by the ExprLcm labeled alternative in ExpressionParser.expression().
Object	visitExprLe(ExpressionParser.ExprLeContext ctx)	Visit a parse tree produced by the ExprLe labeled alternative in ExpressionParser.expression().
Object	visitExprLt(ExpressionParser.ExprLtContext ctx)	Visit a parse tree produced by the ExprLt labeled alternative in ExpressionParser.expression().
Object	visitExprMatrix(ExpressionParser.ExprMatrixContext ctx)	Visit a parse tree produced by the ExprMatrix labeled alternative in ExpressionParser.expression().
Object	visitExprMod(ExpressionParser.ExprModContext ctx)	Visit a parse tree produced by the ExprMod labeled alternative in ExpressionParser.expression().
Object	visitExprMul(ExpressionParser.ExprMulContext ctx)	Visit a parse tree produced by the ExprMul labeled alternative in ExpressionParser.expression().
Object	visitExprNeg(ExpressionParser.ExprNegContext ctx)	Visit a parse tree produced by the ExprNeg labeled alternative in ExpressionParser.expression().
Object	visitExprNeq(ExpressionParser.ExprNeqContext ctx)	Visit a parse tree produced by the ExprNeq labeled alternative in ExpressionParser.expression().
Object	visitExprNot(ExpressionParser.ExprNotContext ctx)	Visit a parse tree produced by the ExprNot labeled alternative in ExpressionParser.expression().
Object	visitExprOr(ExpressionParser.ExprOrContext ctx)	Visit a parse tree produced by the ExprOr labeled alternative in ExpressionParser.expression().
Object	visitExprParen(ExpressionParser.ExprParenContext ctx)	Visit a parse tree produced by the ExprParen labeled alternative in ExpressionParser.expression().
Object	visitExprPos(ExpressionParser.ExprPosContext ctx)	Visit a parse tree produced by the ExprPos labeled alternative in ExpressionParser.expression().
Object	visitExprPow(ExpressionParser.ExprPowContext ctx)	Visit a parse tree produced by the ExprPow labeled alternative in ExpressionParser.expression().
Object	visitExprReal(ExpressionParser.ExprRealContext ctx)	Visit a parse tree produced by the ExprReal labeled alternative in ExpressionParser.expression().
Object	visitExprRem(ExpressionParser.ExprRemContext ctx)	Visit a parse tree produced by the ExprRem labeled alternative in ExpressionParser.expression().
Object	visitExprSub(ExpressionParser.ExprSubContext ctx)	Visit a parse tree produced by the ExprSub labeled alternative in ExpressionParser.expression().
Object	visitExprVariable(ExpressionParser.ExprVariableContext ctx)	Visit a parse tree produced by the ExprVariable labeled alternative in ExpressionParser.expression().
Object	visitFor(ExpressionParser.ForContext ctx)	Visit a parse tree produced by the For labeled alternative in ExpressionParser.declaration().
Object	visitFunctionDeclaration(ExpressionParser.FunctionDeclarationContext ctx)	Visit a parse tree produced by the FunctionDeclaration labeled alternative in ExpressionParser.declaration().
Object	visitIf(ExpressionParser.IfContext ctx)	Visit a parse tree produced by the If labeled alternative in ExpressionParser.declaration().
Object	visitLocalFunctionDeclaration(ExpressionParser.LocalFunctionDeclarationContext ctx)	Visit a parse tree produced by the LocalFunctionDeclaration labeled alternative in ExpressionParser.declaration().
Object	visitMain(ExpressionParser.MainContext ctx)	Visit a parse tree produced by ExpressionParser.main().
Object	visitMatrix(ExpressionParser.MatrixContext ctx)	Visit a parse tree produced by ExpressionParser.matrix().
Object	visitMatrixAssignment(ExpressionParser.MatrixAssignmentContext ctx)	Visit a parse tree produced by the MatrixAssignment labeled alternative in ExpressionParser.declaration().
Object	visitReturn(ExpressionParser.ReturnContext ctx)	Visit a parse tree produced by the Return labeled alternative in ExpressionParser.declaration().
Object	visitSimpleAssignment(ExpressionParser.SimpleAssignmentContext ctx)	Visit a parse tree produced by the SimpleAssignment labeled alternative in ExpressionParser.declaration().
Object	visitSimpleFunctionDeclaration(ExpressionParser.SimpleFunctionDeclarationContext ctx)	Visit a parse tree produced by the SimpleFunctionDeclaration labeled alternative in ExpressionParser.declaration().
Object	visitSimpleIf(ExpressionParser.SimpleIfContext ctx)	Visit a parse tree produced by the SimpleIf labeled alternative in ExpressionParser.expression().
Object	visitSimpleLocalAssignment(ExpressionParser.SimpleLocalAssignmentContext ctx)	Visit a parse tree produced by the SimpleLocalAssignment labeled alternative in ExpressionParser.declaration().
Object	visitSimpleLocalFunctionDeclaration(ExpressionParser.SimpleLocalFunctionDeclarationContext ctx)	Visit a parse tree produced by the SimpleLocalFunctionDeclaration labeled alternative in ExpressionParser.declaration().
Object	visitToplevel(ExpressionParser.ToplevelContext ctx)	Visit a parse tree produced by ExpressionParser.toplevel().
Object	visitWhile(ExpressionParser.WhileContext ctx)	Visit a parse tree produced by the While labeled alternative in ExpressionParser.declaration().

Methods inherited from class org.antlr.v4.runtime.tree.AbstractParseTreeVisitor

aggregateResult, defaultResult, shouldVisitNextChild, visitChildren, visitErrorNode, visitTerminal

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeVisitor

visitChildren, visitErrorNode, visitTerminal

Field Details

env

private Environment env

Constructor Details

DefaultExpressionVisitor

public DefaultExpressionVisitor(Environment env)

Method Details

of

static <E> List<E> of(E e1)

of

static <E> List<E> of(E e1,
 E e2)

of

static List<String> of(String... e)

getEnv

private Environment getEnv()

setEnv

private void setEnv(Environment env)

forceComplex

private static Complex forceComplex(Object d)

isPathologic

private static boolean isPathologic(double d)

anyComplex

private static boolean anyComplex(Object... objs)

allDouble

private static boolean allDouble(Object... objs)

coerceDouble

private static double coerceDouble(Object obj)

visitMain

public Object visitMain(ExpressionParser.MainContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by ExpressionParser.main().

Specified by:

visitMain in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitToplevel

public Object visitToplevel(ExpressionParser.ToplevelContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by ExpressionParser.toplevel().

Specified by:

visitToplevel in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitBlock

public Object visitBlock(ExpressionParser.BlockContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by ExpressionParser.block().

Specified by:

visitBlock in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitSimpleAssignment

public Object visitSimpleAssignment(ExpressionParser.SimpleAssignmentContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the SimpleAssignment labeled alternative in ExpressionParser.declaration().

Specified by:

visitSimpleAssignment in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitSimpleLocalAssignment

public Object visitSimpleLocalAssignment(ExpressionParser.SimpleLocalAssignmentContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the SimpleLocalAssignment labeled alternative in ExpressionParser.declaration().

Specified by:

visitSimpleLocalAssignment in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitMatrixAssignment

public Object visitMatrixAssignment(ExpressionParser.MatrixAssignmentContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the MatrixAssignment labeled alternative in ExpressionParser.declaration().

Specified by:

visitMatrixAssignment in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitSimpleFunctionDeclaration

public Object visitSimpleFunctionDeclaration(ExpressionParser.SimpleFunctionDeclarationContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the SimpleFunctionDeclaration labeled alternative in ExpressionParser.declaration().

Specified by:

visitSimpleFunctionDeclaration in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitFunctionDeclaration

public Object visitFunctionDeclaration(ExpressionParser.FunctionDeclarationContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the FunctionDeclaration labeled alternative in ExpressionParser.declaration().

Specified by:

visitFunctionDeclaration in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitSimpleLocalFunctionDeclaration

public Object visitSimpleLocalFunctionDeclaration(ExpressionParser.SimpleLocalFunctionDeclarationContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the SimpleLocalFunctionDeclaration labeled alternative in ExpressionParser.declaration().

Specified by:

visitSimpleLocalFunctionDeclaration in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitLocalFunctionDeclaration

public Object visitLocalFunctionDeclaration(ExpressionParser.LocalFunctionDeclarationContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the LocalFunctionDeclaration labeled alternative in ExpressionParser.declaration().

Specified by:

visitLocalFunctionDeclaration in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

truthy

private boolean truthy(Object cond)

visitIf

public Object visitIf(ExpressionParser.IfContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the If labeled alternative in ExpressionParser.declaration().

Specified by:

visitIf in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitSimpleIf

public Object visitSimpleIf(ExpressionParser.SimpleIfContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the SimpleIf labeled alternative in ExpressionParser.expression().

Specified by:

visitSimpleIf in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitWhile

public Object visitWhile(ExpressionParser.WhileContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the While labeled alternative in ExpressionParser.declaration().

Specified by:

visitWhile in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

determineStep

private static Object determineStep(Object begin,
 Object end)

mayFor

private static boolean mayFor(Object cur,
 Object end)

addFor

private static Object addFor(Object cur,
 Object step)

visitFor

public Object visitFor(ExpressionParser.ForContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the For labeled alternative in ExpressionParser.declaration().

Specified by:

visitFor in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitReturn

public Object visitReturn(ExpressionParser.ReturnContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the Return labeled alternative in ExpressionParser.declaration().

Specified by:

visitReturn in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprGcd

public Object visitExprGcd(ExpressionParser.ExprGcdContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprGcd labeled alternative in ExpressionParser.expression().

Specified by:

visitExprGcd in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprIndex

public Object visitExprIndex(ExpressionParser.ExprIndexContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprIndex labeled alternative in ExpressionParser.expression().

Specified by:

visitExprIndex in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprNeg

public Object visitExprNeg(ExpressionParser.ExprNegContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprNeg labeled alternative in ExpressionParser.expression().

Specified by:

visitExprNeg in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprNot

public Object visitExprNot(ExpressionParser.ExprNotContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprNot labeled alternative in ExpressionParser.expression().

Specified by:

visitExprNot in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprPos

public Object visitExprPos(ExpressionParser.ExprPosContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprPos labeled alternative in ExpressionParser.expression().

Specified by:

visitExprPos in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprDiv

public Object visitExprDiv(ExpressionParser.ExprDivContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprDiv labeled alternative in ExpressionParser.expression().

Specified by:

visitExprDiv in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprOr

public Object visitExprOr(ExpressionParser.ExprOrContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprOr labeled alternative in ExpressionParser.expression().

Specified by:

visitExprOr in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprSub

public Object visitExprSub(ExpressionParser.ExprSubContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprSub labeled alternative in ExpressionParser.expression().

Specified by:

visitExprSub in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprMul

public Object visitExprMul(ExpressionParser.ExprMulContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprMul labeled alternative in ExpressionParser.expression().

Specified by:

visitExprMul in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprGe

public Object visitExprGe(ExpressionParser.ExprGeContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprGe labeled alternative in ExpressionParser.expression().

Specified by:

visitExprGe in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprLambda

public Object visitExprLambda(ExpressionParser.ExprLambdaContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprLambda labeled alternative in ExpressionParser.expression().

Specified by:

visitExprLambda in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprMod

public Object visitExprMod(ExpressionParser.ExprModContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprMod labeled alternative in ExpressionParser.expression().

Specified by:

visitExprMod in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprLe

public Object visitExprLe(ExpressionParser.ExprLeContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprLe labeled alternative in ExpressionParser.expression().

Specified by:

visitExprLe in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprParen

public Object visitExprParen(ExpressionParser.ExprParenContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprParen labeled alternative in ExpressionParser.expression().

Specified by:

visitExprParen in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprInt

public Object visitExprInt(ExpressionParser.ExprIntContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprInt labeled alternative in ExpressionParser.expression().

Specified by:

visitExprInt in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitMatrix

public Object visitMatrix(ExpressionParser.MatrixContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by ExpressionParser.matrix().

Specified by:

visitMatrix in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprMatrix

public Object visitExprMatrix(ExpressionParser.ExprMatrixContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprMatrix labeled alternative in ExpressionParser.expression().

Specified by:

visitExprMatrix in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprGt

public Object visitExprGt(ExpressionParser.ExprGtContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprGt labeled alternative in ExpressionParser.expression().

Specified by:

visitExprGt in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprEq

public Object visitExprEq(ExpressionParser.ExprEqContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprEq labeled alternative in ExpressionParser.expression().

Specified by:

visitExprEq in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprAnd

public Object visitExprAnd(ExpressionParser.ExprAndContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprAnd labeled alternative in ExpressionParser.expression().

Specified by:

visitExprAnd in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprPow

public Object visitExprPow(ExpressionParser.ExprPowContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprPow labeled alternative in ExpressionParser.expression().

Specified by:

visitExprPow in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprFunctionCall

public Object visitExprFunctionCall(ExpressionParser.ExprFunctionCallContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprFunctionCall labeled alternative in ExpressionParser.expression().

Specified by:

visitExprFunctionCall in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprLcm

public Object visitExprLcm(ExpressionParser.ExprLcmContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprLcm labeled alternative in ExpressionParser.expression().

Specified by:

visitExprLcm in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprLt

public Object visitExprLt(ExpressionParser.ExprLtContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprLt labeled alternative in ExpressionParser.expression().

Specified by:

visitExprLt in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprRem

public Object visitExprRem(ExpressionParser.ExprRemContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprRem labeled alternative in ExpressionParser.expression().

Specified by:

visitExprRem in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprNeq

public Object visitExprNeq(ExpressionParser.ExprNeqContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprNeq labeled alternative in ExpressionParser.expression().

Specified by:

visitExprNeq in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprReal

public Object visitExprReal(ExpressionParser.ExprRealContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprReal labeled alternative in ExpressionParser.expression().

Specified by:

visitExprReal in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprVariable

public Object visitExprVariable(ExpressionParser.ExprVariableContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprVariable labeled alternative in ExpressionParser.expression().

Specified by:

visitExprVariable in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitExprAdd

public Object visitExprAdd(ExpressionParser.ExprAddContext ctx)

Description copied from interface: ExpressionVisitor

Visit a parse tree produced by the ExprAdd labeled alternative in ExpressionParser.expression().

Specified by:

visitExprAdd in interface ExpressionVisitor<Object>

Parameters:

ctx - the parse tree

Returns:

the visitor result

simplify

private static Object simplify(Object input,
 boolean recurrent)

visit

public Object visit(org.antlr.v4.runtime.tree.ParseTree tree)

Specified by:

visit in interface org.antlr.v4.runtime.tree.ParseTreeVisitor<Object>

Overrides:

visit in class org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<Object>