Package net.hydromatic.morel.compile

Class Environments

java.lang.Object

net.hydromatic.morel.compile.Environments

public abstract class Environments
extends Object

Helpers for Environment.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Environments.EmptyEnvironment	Empty environment.
(package private) static class	Environments.MapEnvironment	Environment that keeps bindings in a map.
(package private) static class	Environments.SubEnvironment	Environment that inherits from a parent environment and adds one binding.

Field Summary

Fields

Modifier and Type	Field	Description
private static final Environment	BASIC_ENVIRONMENT	An environment with only "true" and "false".

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Environments()

Method Summary

Modifier and Type	Method	Description
(package private) static Environment	bind(Environment env, Iterable<Binding> bindings)	Creates an environment that is a given environment plus bindings.
static Environment	empty()	Creates an empty environment.
private static Environment	env(Environment environment, TypeSystem typeSystem, @Nullable Session session, Map<String,ForeignValue> valueMap)	Creates a compilation environment, including built-ins and foreign values.
static Environment	env(TypeSystem typeSystem, @Nullable Session session, Map<String,ForeignValue> valueMap)	Creates an environment containing built-ins and the given foreign values.
private static void	foreignBindings(TypeSystem typeSystem, Map<String,ForeignValue> map, List<Binding> bindings)

Methods inherited from class java.lang.Object

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

Field Details

BASIC_ENVIRONMENT

private static final Environment BASIC_ENVIRONMENT

An environment with only "true" and "false".

Constructor Details

Environments

private Environments()

Method Details

empty

public static Environment empty()

Creates an empty environment.

env

public static Environment env(TypeSystem typeSystem,
 @Nullable Session session,
 Map<String,ForeignValue> valueMap)

Creates an environment containing built-ins and the given foreign values.

env

private static Environment env(Environment environment,
 TypeSystem typeSystem,
 @Nullable Session session,
 Map<String,ForeignValue> valueMap)

Creates a compilation environment, including built-ins and foreign values.

foreignBindings

private static void foreignBindings(TypeSystem typeSystem,
 Map<String,ForeignValue> map,
 List<Binding> bindings)

bind

static Environment bind(Environment env,
 Iterable<Binding> bindings)

Creates an environment that is a given environment plus bindings.