astparser

package
v2.0.0-rc.129 Latest Latest
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Published: Nov 27, 2024 License: MIT Imports: 11 Imported by: 3

Documentation

Overview

Package astparser is used to turn raw GraphQL documents into an AST.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ParseGraphqlDocumentBytes

func ParseGraphqlDocumentBytes(input []byte) (ast.Document, operationreport.Report)

ParseGraphqlDocumentBytes takes a raw GraphQL document in byte slice format and parses it into an AST. This function creates a new parser as well as a new AST for every call. Therefore you shouldn't use this function in a hot path. Instead create a parser as well as AST objects and re-use them.

func ParseGraphqlDocumentString

func ParseGraphqlDocumentString(input string) (ast.Document, operationreport.Report)

ParseGraphqlDocumentString takes a raw GraphQL document in string format and parses it into an AST. This function creates a new parser as well as a new AST for every call. Therefore you shouldn't use this function in a hot path. Instead create a parser as well as AST objects and re-use them.

Types

type ErrUnexpectedIdentKey

type ErrUnexpectedIdentKey struct {
	// contains filtered or unexported fields
}

ErrUnexpectedIdentKey is a custom error object to properly render an unexpected ident key error

func (ErrUnexpectedIdentKey) Error

func (e ErrUnexpectedIdentKey) Error() string

type ErrUnexpectedToken

type ErrUnexpectedToken struct {
	// contains filtered or unexported fields
}

ErrUnexpectedToken is a custom error object containing all necessary information to properly render an unexpected token error

func (ErrUnexpectedToken) Error

func (e ErrUnexpectedToken) Error() string

type Parser

type Parser struct {
	// contains filtered or unexported fields
}

Parser takes a raw input and turns it into an AST use NewParser() to create a parser Don't create new parsers in the hot path, re-use them.

func NewParser

func NewParser() *Parser

NewParser returns a new parser with all values properly initialized

func (*Parser) Parse

func (p *Parser) Parse(document *ast.Document, report *operationreport.Report)

Parse parses all input in a Document.Input into the Document

func (*Parser) ParseType

func (p *Parser) ParseType() (ref int)

func (*Parser) ParseValue

func (p *Parser) ParseValue() (value ast.Value)

func (*Parser) PrepareImport

func (p *Parser) PrepareImport(document *ast.Document, report *operationreport.Report)

PrepareImport prepares the Parser for importing new Nodes into an AST without directly parsing the content

type Tokenizer

type Tokenizer struct {
	// contains filtered or unexported fields
}

Tokenizer takes a raw input and turns it into set of tokens

func NewTokenizer

func NewTokenizer() *Tokenizer

NewTokenizer returns a new tokenizer

func (*Tokenizer) Peek

func (t *Tokenizer) Peek() token.Token

Peek - returns token next to currentToken if hasNextToken otherwise returns keyword.EOF

func (*Tokenizer) Read

func (t *Tokenizer) Read() token.Token

Read - increments currentToken index and return token if hasNextToken otherwise returns keyword.EOF

func (*Tokenizer) Tokenize

func (t *Tokenizer) Tokenize(input *ast.Input)

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