tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-09 21:43:40 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

reflect: implement New function

Browse Source 
This is very important for some use cases, for example for Vecty.
This commit is contained in:
Ayke van Laethem
2021-04-11 13:50:44 +02:00
committed by Ron Evans
parent 57271d7eaa
commit e587b1d1b4
8 changed files with 87 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/interface.go
+19 -15
View File
@@ -46,6 +46,7 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value {
var references llvm.Value
var length int64
var methodSet llvm.Value
var ptrTo llvm.Value
switch typ := typ.(type) {
case *types.Named:
references = c.getTypeCode(typ.Underlying())
@@ -69,22 +70,25 @@ func (c *compilerContext) getTypeCode(typ types.Type) llvm.Value {
if _, ok := typ.Underlying().(*types.Interface); !ok {
methodSet = c.getTypeMethodSet(typ)
}
if !references.IsNil() || length != 0 || !methodSet.IsNil() {
// Set the 'references' field of the runtime.typecodeID struct.
globalValue := llvm.ConstNull(global.Type().ElementType())
if !references.IsNil() {
globalValue = llvm.ConstInsertValue(globalValue, references, []uint32{0})
}
if length != 0 {
lengthValue := llvm.ConstInt(c.uintptrType, uint64(length), false)
globalValue = llvm.ConstInsertValue(globalValue, lengthValue, []uint32{1})
}
if !methodSet.IsNil() {
globalValue = llvm.ConstInsertValue(globalValue, methodSet, []uint32{2})
}
global.SetInitializer(globalValue)
global.SetLinkage(llvm.LinkOnceODRLinkage)
if _, ok := typ.Underlying().(*types.Pointer); !ok {
ptrTo = c.getTypeCode(types.NewPointer(typ))
}
globalValue := llvm.ConstNull(global.Type().ElementType())
if !references.IsNil() {
globalValue = llvm.ConstInsertValue(globalValue, references, []uint32{0})
}
if length != 0 {
lengthValue := llvm.ConstInt(c.uintptrType, uint64(length), false)
globalValue = llvm.ConstInsertValue(globalValue, lengthValue, []uint32{1})
}
if !methodSet.IsNil() {
globalValue = llvm.ConstInsertValue(globalValue, methodSet, []uint32{2})
}
if !ptrTo.IsNil() {
globalValue = llvm.ConstInsertValue(globalValue, ptrTo, []uint32{3})
}
global.SetInitializer(globalValue)
global.SetLinkage(llvm.LinkOnceODRLinkage)
global.SetGlobalConstant(true)
}
return global