parser

Documentation

Overview

Package parser implements source code parsing. It uses parser (and lexer) generated by ANTLR4 from neva.g4 grammar file.

Index

• type CustomErrorListener
  • func (c *CustomErrorListener) SyntaxError(recognizer antlr.Recognizer, offendingSymbol any, line, column int, msg string, ...)
• type Manifest
• type ModuleRef
• type Parser
  • func New(isDebug bool) Parser
  • func (p Parser) ParseFile(bb []byte) (f src.File, err *compiler.Error)
  • func (p Parser) ParseFiles(files map[string][]byte) (map[string]src.File, *compiler.Error)
  • func (p Parser) ParseManifest(raw []byte) (src.ModuleManifest, error)
  • func (p Parser) ParseModules(rawMods map[src.ModuleRef]compiler.RawModule) (map[src.ModuleRef]src.Module, *compiler.Error)
  • func (p Parser) ParsePackages(rawPkgs map[string]compiler.RawPackage, modRef src.ModuleRef) (map[string]src.Package, *compiler.Error)

Types

type CustomErrorListener

type CustomErrorListener struct {
	*antlr.DefaultErrorListener
	Errors []error
}

func (*CustomErrorListener) SyntaxError

func (c *CustomErrorListener) SyntaxError(
	recognizer antlr.Recognizer,
	offendingSymbol any,
	line, column int,
	msg string,
	e antlr.RecognitionException,
)

type Manifest

type Manifest struct {
	LanguageVersion string      `yaml:"neva"`
	Deps            []ModuleRef `yaml:"deps"`
}

type ModuleRef

type ModuleRef struct {
	Path    string `yaml:"path"`
	Version string `yaml:"version"`
	Alias   string `yaml:"alias"`
}

type Parser

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

func New

func New(isDebug bool) Parser

func (Parser) ParseFile

func (p Parser) ParseFile(bb []byte) (f src.File, err *compiler.Error)

func (Parser) ParseFiles

func (p Parser) ParseFiles(files map[string][]byte) (map[string]src.File, *compiler.Error)

func (Parser) ParseManifest

func (p Parser) ParseManifest(raw []byte) (src.ModuleManifest, error)

func (Parser) ParseModules

func (p Parser) ParseModules(
	rawMods map[src.ModuleRef]compiler.RawModule,
) (map[src.ModuleRef]src.Module, *compiler.Error)

func (Parser) ParsePackages

func (p Parser) ParsePackages(
	rawPkgs map[string]compiler.RawPackage,
	modRef src.ModuleRef,
) (map[string]src.Package, *compiler.Error)