avail/avail.compiler/ParsingConversionRule

ParsingConversionRule

enum ParsingConversionRule : Enum<ParsingConversionRule>

A ParsingConversionRule describes how to convert the argument at the top of the parsing stack from one phrase to another.

Author

Todd L Smith

Parameters

number

The rule number.

Entries

0 - No conversion.

1 - Convert a list into a literal phrase that yields an integer representing the size of the original list.

EVALUATE_EXPRESSION

EVALUATE_EXPRESSION

2 - Immediately evaluate the phrase on the stack to produce a value. Replace the phrase with a literal phrase holding this value.

Types

object Companion

Properties

val name: String

val number: Int

The rule number.

val ordinal: Int

Functions

abstract fun convert(compilationContext: CompilationContext, lexingState: LexingState, input: A_Phrase, continuation: (A_Phrase) -> Unit, onProblem: (Throwable) -> Unit)

Convert an input AvailObject into an output AvailObject, using the specific conversion rule's implementation.

fun valueOf(value: String): ParsingConversionRule

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

fun values(): Array<ParsingConversionRule>

Returns an array containing the constants of this enum type, in the order they're declared.