// UNION_BODY -> {UNION_FIELD_DECL}
// UNION_FIELD_DECL -> [ATTRIBUTES] TYPE name [ordinal] semi
func (p *Parser) parseUnionBody(union *mojom.MojomUnion) bool {
if !p.OK() {
return p.OK()
}
p.pushChildNode("unionBody")
defer p.popNode()
rbraceFound := false
for attributes := p.parseAttributes(); !rbraceFound; attributes = p.parseAttributes() {
if !p.OK() {
return false
}
nextToken := p.peekNextToken("I was parsing a union body.")
switch nextToken.Kind {
case lexer.Name:
fieldType := p.parseType()
fieldName := p.readName()
nameToken := p.lastConsumed
tag, err := p.readOrdinal()
if err != nil {
p.err = p.newInvalidOrdinalError("union field", fieldName, nameToken, err)
return false
}
if !p.matchSemicolon() {
return false
}
union.AddField(p.DeclDataWithOrdinal(fieldName, nameToken, attributes, tag), fieldType)
case lexer.RBrace:
rbraceFound = true
if attributes != nil {
message := "Enum body ends with extraneouss attributes."
p.err = &ParseError{ParserErrorCodeBadAttributeLocation, message}
}
break
default:
p.unexpectedTokenError(nextToken, "either another union field or }")
return false
}
}
return p.OK()
}
// UNION_BODY -> {UNION_FIELD_DECL}
// UNION_FIELD_DECL -> [ATTRIBUTES] TYPE name [ordinal] semi
func (p *Parser) parseUnionBody(union *mojom.MojomUnion) bool {
if !p.OK() {
return p.OK()
}
p.pushChildNode("unionBody")
defer p.popNode()
rbraceFound := false
for attributes := p.parseAttributes(); !rbraceFound; attributes = p.parseAttributes() {
if !p.OK() {
return false
}
nextToken := p.peekNextToken("I was parsing a union body.")
switch nextToken.Kind {
case lexer.NAME:
fieldType := p.parseType()
fieldName := p.readName()
tag := p.readOrdinal()
if !p.matchSemicolon() {
return false
}
union.AddField(fieldType, fieldName, tag, attributes)
case lexer.RBRACE:
rbraceFound = true
if attributes != nil {
message := "Enum body ends with extranesous attributes."
p.err = &ParseError{E_BAD_ATTRIBUTE_LOCATION, message}
}
break
default:
p.unexpectedTokenError(nextToken, "either another union field or }")
return false
}
}
return p.OK()
}