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all: support interface asserts in interp

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This adds support for the math/rand package.
This commit is contained in:
Ayke van Laethem
2019-04-13 17:13:16 +02:00
committed by Ron Evans
parent 02ecab833f
commit 7de3d4be2b
7 changed files with 104 additions and 84 deletions
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compiler/interface.go
+10 -2
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@@ -59,7 +59,15 @@ func (c *Compiler) parseMakeInterface(val llvm.Value, typ types.Type, pos token.
if err != nil {
return llvm.Value{}, nil
}
itfTypeCode := c.createRuntimeCall("makeInterface", []llvm.Value{itfTypeCodeGlobal, itfMethodSetGlobal}, "makeinterface.typecode")
itfConcreteTypeGlobal := c.mod.NamedGlobal("typeInInterface:" + itfTypeCodeGlobal.Name())
if itfConcreteTypeGlobal.IsNil() {
typeInInterface := c.mod.GetTypeByName("runtime.typeInInterface")
itfConcreteTypeGlobal = llvm.AddGlobal(c.mod, typeInInterface, "typeInInterface:"+itfTypeCodeGlobal.Name())
itfConcreteTypeGlobal.SetInitializer(llvm.ConstNamedStruct(typeInInterface, []llvm.Value{itfTypeCodeGlobal, itfMethodSetGlobal}))
itfConcreteTypeGlobal.SetGlobalConstant(true)
itfConcreteTypeGlobal.SetLinkage(llvm.PrivateLinkage)
}
itfTypeCode := c.builder.CreatePtrToInt(itfConcreteTypeGlobal, c.uintptrType, "")
itf := llvm.Undef(c.mod.GetTypeByName("runtime._interface"))
itf = c.builder.CreateInsertValue(itf, itfTypeCode, 0, "")
itf = c.builder.CreateInsertValue(itf, itfValue, 1, "")
@@ -73,7 +81,7 @@ func (c *Compiler) getTypeCode(typ types.Type) llvm.Value {
globalName := "type:" + getTypeCodeName(typ)
global := c.mod.NamedGlobal(globalName)
if global.IsNil() {
global = llvm.AddGlobal(c.mod, c.ctx.Int8Type(), globalName)
global = llvm.AddGlobal(c.mod, c.mod.GetTypeByName("runtime.typecodeID"), globalName)
global.SetGlobalConstant(true)
}
return global