// parentEnum is nil if not in enum
func (v *TypeCheck) CheckTupleLiteral(s *SemanticAnalyzer, lit *ast.TupleLiteral) {
tupleType, ok := lit.GetType().BaseType.ActualType().(ast.TupleType)
if !ok {
panic("Type of tuple literal was not `TupleType`")
}
memberTypes := tupleType.Members
if len(lit.Members) != len(memberTypes) {
s.Err(lit, "Invalid amount of entries in tuple")
}
var gcon *ast.GenericContext
if lit.ParentEnumLiteral != nil {
gcon = ast.NewGenericContext(lit.ParentEnumLiteral.GetType().BaseType.ActualType().(ast.EnumType).GenericParameters, lit.ParentEnumLiteral.Type.GenericArguments)
} else {
gcon = ast.NewGenericContext(nil, nil)
}
for idx, mem := range lit.Members {
expectType(s, mem, gcon.Get(memberTypes[idx]), &mem)
}
}
// if outer is not nil, this function does not add the current function gcon as outer, as it assumes it is already there
func (v *Codegen) typeRefToLLVMTypeWithOuter(typ *ast.TypeReference, outer *ast.GenericContext) llvm.Type {
var gcon *ast.GenericContext
if len(typ.GenericArguments) > 0 {
gcon = ast.NewGenericContextFromTypeReference(typ)
} else {
gcon = ast.NewGenericContext(nil, nil)
}
if outer != nil {
gcon.Outer = outer
} else if v.inFunction() {
gcon.Outer = v.currentFunction().gcon
}
return v.typeRefToLLVMTypeWithGenericContext(typ, gcon)
}
func (v *TypeCheck) CheckCompositeLiteral(s *SemanticAnalyzer, lit *ast.CompositeLiteral) {
gcon := ast.NewGenericContext([]*ast.SubstitutionType{}, []*ast.TypeReference{})
if len(lit.Type.GenericArguments) > 0 {
gcon = ast.NewGenericContextFromTypeReference(lit.Type)
}
switch typ := lit.Type.BaseType.ActualType().(type) {
case ast.ArrayType:
memType := typ.MemberType
for i, mem := range lit.Values {
expectType(s, mem, memType, &mem)
if lit.Fields[i] != "" {
s.Err(mem, "Unexpected field in array literal: `%s`", lit.Fields[i])
}
}
case ast.StructType:
for i, mem := range lit.Values {
name := lit.Fields[i]
if name == "" {
s.Err(mem, "Missing field in struct literal")
continue
}
sMem := typ.GetMember(name)
if sMem == nil {
s.Err(lit, "No member named `%s` on struct of type `%s`", name, typ.String())
}
sMemType := gcon.Replace(sMem.Type)
expectType(s, mem, sMemType, &mem)
}
default:
panic("composite literal has neither struct nor array type")
}
}
