Method initializeState

internal/parser/parser.go:290–315

(opts ast.SourceFileParseOptions, sourceText string, scriptKind core.ScriptKind)

}

func (p *Parser) initializeState(opts ast.SourceFileParseOptions, sourceText string, scriptKind core.ScriptKind) {
	if scriptKind == core.ScriptKindUnknown {
		panic("ScriptKind must be specified when parsing source file: " + opts.FileName)
	}

	if p.scanner == nil {
		p.scanner = scanner.NewScanner()
	} else {
		p.scanner.Reset()
	}
	p.opts = opts
	p.sourceText = sourceText
	p.scriptKind = scriptKind
	p.languageVariant = getLanguageVariant(p.scriptKind)
	switch p.scriptKind {
	case core.ScriptKindJS, core.ScriptKindJSX:
		p.contextFlags = ast.NodeFlagsJavaScriptFile
	case core.ScriptKindJSON:
		p.contextFlags = ast.NodeFlagsJavaScriptFile | ast.NodeFlagsJsonFile
	default:
		p.contextFlags = ast.NodeFlagsNone
	}
	p.scanner.SetText(p.sourceText)
	p.scanner.SetOnError(p.scanError)
	p.scanner.SetLanguageVariant(p.languageVariant)
}

func (p *Parser) scanError(message *diagnostics.Message, pos int, length int, args ...any) {
	p.parseErrorAtRange(core.NewTextRange(pos, pos+length), message, args...)