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

EVALUATE_EXPRESSION

EVALUATE_EXPRESSION(2)

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

LIST_TO_SIZE(1)

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

NO_CONVERSION(0)

0 - No conversion.

Types

object Companion

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.

Properties

val name: String

val number: Int

The rule number.

val ordinal: Int