Method parsePrimaryExpression

internal/parser/parser.go:5564–5607

()

}

func (p *Parser) parsePrimaryExpression() *ast.Expression {
	switch p.token {
	case ast.KindNoSubstitutionTemplateLiteral:
		if p.scanner.TokenFlags()&ast.TokenFlagsIsInvalid != 0 {
			p.reScanTemplateToken(false /*isTaggedTemplate*/)
		}
		fallthrough
	case ast.KindNumericLiteral, ast.KindBigIntLiteral, ast.KindStringLiteral:
		return p.parseLiteralExpression(false /*intern*/)
	case ast.KindThisKeyword, ast.KindSuperKeyword, ast.KindNullKeyword, ast.KindTrueKeyword, ast.KindFalseKeyword:
		return p.parseKeywordExpression()
	case ast.KindOpenParenToken:
		return p.parseParenthesizedExpression()
	case ast.KindOpenBracketToken:
		return p.parseArrayLiteralExpression()
	case ast.KindOpenBraceToken:
		return p.parseObjectLiteralExpression()
	case ast.KindAsyncKeyword:
		// Async arrow functions are parsed earlier in parseAssignmentExpressionOrHigher.
		// If we encounter `async [no LineTerminator here] function` then this is an async
		// function; otherwise, its an identifier.
		if !p.lookAhead((*Parser).nextTokenIsFunctionKeywordOnSameLine) {
			break
		}
		return p.parseFunctionExpression()
	case ast.KindAtToken:
		return p.parseDecoratedExpression()
	case ast.KindClassKeyword:
		return p.parseClassExpression()
	case ast.KindFunctionKeyword:
		return p.parseFunctionExpression()
	case ast.KindNewKeyword:
		return p.parseNewExpressionOrNewDotTarget()
	case ast.KindSlashToken, ast.KindSlashEqualsToken:
		if p.reScanSlashToken() == ast.KindRegularExpressionLiteral {
			return p.parseLiteralExpression(false /*intern*/)
		}
	case ast.KindTemplateHead:
		return p.parseTemplateExpression(false /*isTaggedTemplate*/)
	case ast.KindPrivateIdentifier:
		return p.parsePrivateIdentifier()
	}
	return p.parseIdentifierWithDiagnostic(diagnostics.Expression_expected, nil)
}

func (p *Parser) parseParenthesizedExpression() *ast.Expression {
	pos := p.nodePos()