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arf/parser/dereference.go

32 lines
837 B
Go

package parser
import "git.tebibyte.media/arf/arf/lexer"
func (parser *ParsingOperation) parseDereference () (
dereference Dereference,
err error,
) {
err = parser.expect(lexer.TokenKindLBrace)
if err != nil { return }
dereference.location = parser.token.Location()
// parse the value we are dereferencing
err = parser.nextToken(validArgumentStartTokens...)
if err != nil { return }
dereference.argument, err = parser.parseArgument()
if err != nil { return }
// if there is an offset, parse it
err = parser.expect(lexer.TokenKindUInt, lexer.TokenKindRBrace)
if err != nil { return }
if parser.token.Is(lexer.TokenKindUInt) {
dereference.offset = parser.token.Value().(uint64)
}
err = parser.nextToken(lexer.TokenKindRBrace)
if err != nil { return }
err = parser.nextToken()
if err != nil { return }
return
}