tegral-niwen-parser/guru.zoroark.tegral.niwen.parser/ParsingContext

ParsingContext

class ParsingContext(val tokens: List<Token>, typeMap: Map<ParserNodeDeclaration<*>, DescribedType<*>>, val branchSeeker: BranchSeeker? = null)

This object contains the information that is passed to expectations, and is global over a single parser run.

Constructors

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constructor(tokens: List<Token>, typeMap: Map<ParserNodeDeclaration<*>, DescribedType<*>>, branchSeeker: BranchSeeker? = null)

Properties

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val branchSeeker: BranchSeeker? = null

The BranchSeeker instance associated with this parsing context.

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val tokens: List<Token>

The list of tokens that should be parsed

Functions

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fun <T> applyExpectations(startAt: Int, expectations: List<Expectation<T, *>>): ExpectationResult<T>

Apply each expectation of this list to the given context, starting at the given index.

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fun <T> enterBranch(branchTitle: String, branch: () -> ExpectationResult<T>): ExpectationResult<T>

If debugging is enabled, execute a set of expectations "within" a special node. Otherwise, directly executed the provided branch.

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operator fun <T> get(declaration: ParserNodeDeclaration<T>): DescribedType<T>?

Retrieve the provided node declaration, or null if no such declaration could be found.