Context | /deps.ts | macromania_assets@v0.2.0

class Context

Re-export

import { Context } from "https://deno.land/x/macromania_assets@v0.2.0/deps.ts";

The state that is threaded through an evaluation process.

Constructors

new

Context(loggingBackend?: LoggingTarget)

Create a new Context, logging to the given LoggingTarget.

Properties

private

haveToMakeProgress: boolean

private

loggingBackend: LoggingTarget

private

madeProgressThisRound: boolean

private

round: number

private

stack: Stack<DebuggingInformation>

private

state: State

Methods

private

doEvaluate(exp: Expression): Promise<Expression>

private

doLogBlockingExpressions(exp: Expression, info: DebuggingInformation)

private

logBlockingExpressions(exp: Expression)

private

printNonExp(x: any): Expression

didGiveUp()

Return whether evaluation has been given up because no progress could be made.

evaluate(expression: Expression): Promise<string | null>

Evaluate an expression to a string, or return null in case of failure.

getCurrentDebuggingInformation(): DebuggingInformation

getDebuggingStack(): Stack<DebuggingInformation>

getRound(): number

getState(): State

halt(): Expression

Print a stacktrace, then immediately and faultily terminate evaluation.

log(...data: any[]): void

Log a message.

mustMakeProgress(): boolean

When no impure expression makes progress in an evaluation round, another round is started, in which this function returns true. If no impure expression makes progress in that round either, evaluation stops.

printStack()

Print a stacktrace to the console.