java-refactor-constants — human mapping

This mapping has 1 all-to-all group: every node on one side corresponds to every node on the other, and none is deleted or inserted. Each member carries an all N:M badge; selecting one highlights all of its counterparts, in the tree and in the code view alike.

A painting is a person's account of this edit as text, recorded independently of the node mapping - a rendering often has several equally defensible answers where the mapping has one. Deletions and insertions carry no position on the opposite side in a painting, so that panel draws no caret for them.

Before1public class Circle {
2    private double radius;
3
4    public Circle(double radius) {
5        this.radius = radius;
6    }
7
8    public double area() {
9        return 3.14159 * radius * radius;
10    }
11
12    public double circumference() {
13        return 2 * 3.14159 * radius;
14    }
15}
16

After1public class Circle {
2    private static final double PI = 3.14159;
3    private double radius;
4
5    public Circle(double radius) {
6        this.radius = radius;
7    }
8
9    public double area() {
10        return PI * radius * radius;
11    }
12
13    public double circumference() {
14        return 2 * PI * radius;
15    }
16}
17

Before1public class Circle {
2    private double radius;
3
4    public Circle(double radius) {
5        this.radius = radius;
6    }
7
8    public double area() {
9        return 3.14159 * radius * radius;
10    }
11
12    public double circumference() {
13        return 2 * 3.14159 * radius;
14    }
15}
16

After1public class Circle {
2    private static final double PI = 3.14159;
3    private double radius;
4
5    public Circle(double radius) {
6        this.radius = radius;
7    }
8
9    public double area() {
10        return PI * radius * radius;
11    }
12
13    public double circumference() {
14        return 2 * PI * radius;
15    }
16}
17

Before1public class Circle {
2    private double radius;
3
4    public Circle(double radius) {
5        this.radius = radius;
6    }
7
8    public double area() {
9        return 3.14159 * radius * radius;
10    }
11
12    public double circumference() {
13        return 2 * 3.14159 * radius;
14    }
15}
16

After1public class Circle {
2    private static final double PI = 3.14159;
3    private double radius;
4
5    public Circle(double radius) {
6        this.radius = radius;
7    }
8
9    public double area() {
10        return PI * radius * radius;
11    }
12
13    public double circumference() {
14        return 2 * PI * radius;
15    }
16}
17

Before

program

class_declaration

modifiers

public "public"

class "class"

identifier "Circle"

class_body

{ "{"

field_declaration

modifiers

private "private"

floating_point_type

double "double"

variable_declarator

identifier "radius"

; ";"

constructor_declaration (+23 nodes collapsed)

method_declaration

modifiers

public "public"

floating_point_type

double "double"

identifier "area"

formal_parameters

( "("

) ")"

block

{ "{"

return_statement

return "return"

binary_expression

decimal_floating_point_literal "3.14159" all 2:1

* "*"

identifier "radius"

* "*"

identifier "radius"

; ";"

} "}"

method_declaration

modifiers

public "public"

floating_point_type

double "double"

identifier "circumference"

formal_parameters

( "("

) ")"

block

{ "{"

return_statement

return "return"

binary_expression

decimal_integer_literal "2"

* "*"

decimal_floating_point_literal "3.14159" all 2:1

* "*"

identifier "radius"

; ";"

} "}"

After

program

class_declaration

modifiers

public "public"

class "class"

identifier "Circle"

class_body

{ "{"

field_declaration

modifiers

private "private"

static "static"

final "final"

floating_point_type

double "double"

variable_declarator

identifier "PI"

= "="

decimal_floating_point_literal "3.14159" all 2:1

; ";"

field_declaration

modifiers

private "private"

floating_point_type

double "double"

variable_declarator

identifier "radius"

; ";"

constructor_declaration (+23 nodes collapsed)

method_declaration

modifiers

public "public"

floating_point_type

double "double"

identifier "area"

formal_parameters

( "("

) ")"

block

{ "{"

return_statement

return "return"

binary_expression

identifier "PI"

* "*"

identifier "radius"

* "*"

identifier "radius"

; ";"

} "}"

method_declaration

modifiers

public "public"

floating_point_type

double "double"

identifier "circumference"

formal_parameters

( "("

) ")"

block

{ "{"

return_statement

return "return"

binary_expression

decimal_integer_literal "2"

* "*"

identifier "PI"

* "*"

identifier "radius"

; ";"

} "}"

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