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all: complete the implementation of interface asserts

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Because a few things were left unimplemented it only happened to kind-of
work before in my test cases.
This commit should complete interface-to-interface type asserts.
This commit is contained in:
Ayke van Laethem
2018-09-11 19:39:25 +02:00
parent 61e6f7cf5b
commit 4ad6df3227
2 changed files with 29 additions and 6 deletions
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compiler.go
+10
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@@ -446,12 +446,14 @@ func (c *Compiler) Parse(mainPath string, buildTags []string) error {
}
interfaceTypes := c.ir.AllInterfaces()
interfaceIndex := make([]llvm.Value, len(interfaceTypes))
interfaceLengths := make([]llvm.Value, len(interfaceTypes))
interfaceMethods := make([]llvm.Value, 0)
for i, itfType := range interfaceTypes {
if itfType.Type.NumMethods() > 0xff {
return errors.New("too many methods for interface " + itfType.Type.String())
}
interfaceIndex[i] = llvm.ConstInt(llvm.Int16Type(), uint64(i), false)
interfaceLengths[i] = llvm.ConstInt(llvm.Int8Type(), uint64(itfType.Type.NumMethods()), false)
funcs := make([]*types.Func, itfType.Type.NumMethods())
for i := range funcs {
@@ -493,6 +495,14 @@ func (c *Compiler) Parse(mainPath string, buildTags []string) error {
signatureArrayOldGlobal.ReplaceAllUsesWith(llvm.ConstBitCast(signatureArrayNewGlobal, signatureArrayOldGlobal.Type()))
signatureArrayOldGlobal.EraseFromParentAsGlobal()
signatureArrayNewGlobal.SetName("runtime.methodSetSignatures")
interfaceIndexArray := llvm.ConstArray(llvm.Int16Type(), interfaceIndex)
interfaceIndexArrayNewGlobal := llvm.AddGlobal(c.mod, interfaceIndexArray.Type(), "runtime.interfaceIndex.tmp")
interfaceIndexArrayNewGlobal.SetInitializer(interfaceIndexArray)
interfaceIndexArrayNewGlobal.SetLinkage(llvm.InternalLinkage)
interfaceIndexArrayOldGlobal := c.mod.NamedGlobal("runtime.interfaceIndex")
interfaceIndexArrayOldGlobal.ReplaceAllUsesWith(llvm.ConstBitCast(interfaceIndexArrayNewGlobal, interfaceIndexArrayOldGlobal.Type()))
interfaceIndexArrayOldGlobal.EraseFromParentAsGlobal()
interfaceIndexArrayNewGlobal.SetName("runtime.interfaceIndex")
interfaceLengthsArray := llvm.ConstArray(llvm.Int8Type(), interfaceLengths)
interfaceLengthsArrayNewGlobal := llvm.AddGlobal(c.mod, interfaceLengthsArray.Type(), "runtime.interfaceLengths.tmp")
interfaceLengthsArrayNewGlobal.SetInitializer(interfaceLengthsArray)