Package com.tonic.analysis.source.ast.expr

Class LiteralExpr

java.lang.Object

com.tonic.analysis.source.ast.expr.LiteralExpr

All Implemented Interfaces:

ASTNode, Expression

public final class LiteralExpr
extends Object
implements Expression

A literal value: integers, floats, strings, booleans, chars, or null.

Constructor Summary

Constructors

Constructor	Description
LiteralExpr(Object value, SourceType type)	Creates a literal with an unknown source location.
LiteralExpr(Object value, SourceType type, SourceLocation location)	Creates a literal.

Method Summary

Modifier and Type	Method	Description
<T> T	accept(SourceVisitor<T> visitor)	Accepts a visitor for this node.
SourceLocation	getLocation()	Gets the source location of this node.
ASTNode	getParent()	Gets the parent node in the AST tree.
SourceType	getType()	Gets the inferred type of this expression.
Object	getValue()
boolean	isNull()
boolean	isNumeric()
boolean	isString()
static LiteralExpr	ofBoolean(boolean value)	Creates a boolean literal.
static LiteralExpr	ofChar(char value)	Creates a char literal.
static LiteralExpr	ofDouble(double value)	Creates a double literal.
static LiteralExpr	ofFloat(float value)	Creates a float literal.
static LiteralExpr	ofInt(int value)	Creates an int literal.
static LiteralExpr	ofLong(long value)	Creates a long literal.
static LiteralExpr	ofNull()	Creates a null literal typed as Object.
static LiteralExpr	ofString(String value)	Creates a String literal.
void	setParent(ASTNode parent)	Sets the parent node in the AST tree.
void	setType(SourceType type)
void	setValue(Object value)
String	toString()
LiteralExpr	withType(SourceType type)	Replaces the source type.
LiteralExpr	withValue(Object value)	Replaces the literal value.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.tonic.analysis.source.ast.ASTNode

deepClone, findAll, findAll, findAncestor, findFirst, findFirst, getChildren, getRoot, isDescendantOf, remove, replaceWith, stream, stream, walk

Constructor Detail

LiteralExpr

public LiteralExpr(Object value,
                   SourceType type,
                   SourceLocation location)

Creates a literal.

Parameters:

value - the literal value, or null for the null literal

type - the literal's source type

location - the source location, or null for unknown

LiteralExpr

public LiteralExpr(Object value,
                   SourceType type)

Creates a literal with an unknown source location.

Parameters:

value - the literal value, or null for the null literal

type - the literal's source type

Method Detail

getValue

public Object getValue()

Returns:

the value

setValue

public void setValue(Object value)

Parameters:

value - the new literal value

getType

public SourceType getType()

Description copied from interface: Expression

Gets the inferred type of this expression.

Specified by:

getType in interface Expression

Returns:

the type

setType

public void setType(SourceType type)

Parameters:

type - the new source type

getLocation

public SourceLocation getLocation()

Description copied from interface: ASTNode

Gets the source location of this node.

Specified by:

getLocation in interface ASTNode

Returns:

the location

getParent

public ASTNode getParent()

Description copied from interface: ASTNode

Gets the parent node in the AST tree.

Specified by:

getParent in interface ASTNode

Returns:

the parent

setParent

public void setParent(ASTNode parent)

Description copied from interface: ASTNode

Sets the parent node in the AST tree.

Specified by:

setParent in interface ASTNode

Parameters:

parent - the enclosing AST node

ofInt

public static LiteralExpr ofInt(int value)

Creates an int literal.

Parameters:

value - the literal value

Returns:

the new literal

ofLong

public static LiteralExpr ofLong(long value)

Creates a long literal.

Parameters:

value - the literal value

Returns:

the new literal

ofFloat

public static LiteralExpr ofFloat(float value)

Creates a float literal.

Parameters:

value - the literal value

Returns:

the new literal

ofDouble

public static LiteralExpr ofDouble(double value)

Creates a double literal.

Parameters:

value - the literal value

Returns:

the new literal

ofBoolean

public static LiteralExpr ofBoolean(boolean value)

Creates a boolean literal.

Parameters:

value - the literal value

Returns:

the new literal

ofChar

public static LiteralExpr ofChar(char value)

Creates a char literal.

Parameters:

value - the literal value

Returns:

the new literal

ofString

public static LiteralExpr ofString(String value)

Creates a String literal.

Parameters:

value - the literal value

Returns:

the new literal

ofNull

public static LiteralExpr ofNull()

Creates a null literal typed as Object.

Returns:

the new literal

withValue

public LiteralExpr withValue(Object value)

Replaces the literal value.

Parameters:

value - the new literal value

Returns:

this expression

withType

public LiteralExpr withType(SourceType type)

Replaces the source type.

Parameters:

type - the new source type

Returns:

this expression

isNull

public boolean isNull()

Returns:

true if the value is null

isString

public boolean isString()

Returns:

true if the value is a String

isNumeric

public boolean isNumeric()

Returns:

true if the value is a Number

accept

public <T> T accept(SourceVisitor<T> visitor)

Description copied from interface: ASTNode

Accepts a visitor for this node.

Specified by:

accept in interface ASTNode

Type Parameters:

T - the return type of the visitor

Parameters:

visitor - the visitor to accept

Returns:

the result from the visitor

toString

public String toString()

Overrides:

toString in class Object