54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
/*
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* Copyright (c) 2025 The GoPlus Authors (goplus.org). All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package ssa
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import (
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"fmt"
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"github.com/goplus/llvm"
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)
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func (pkg Package) AddGlobalString(name string, value string) {
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prog := pkg.Prog
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styp := prog.String()
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data := pkg.createGlobalStr(value)
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length := prog.IntVal(uint64(len(value)), prog.Uintptr())
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cv := llvm.ConstNamedStruct(styp.ll, []llvm.Value{data, length.impl})
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pkg.NewVarEx(name, prog.Pointer(styp)).Init(Expr{cv, styp})
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}
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// Undefined global string var by names
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func (pkg Package) Undefined(names ...string) error {
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prog := pkg.Prog
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styp := prog.rtString()
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for _, name := range names {
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global := pkg.VarOf(name)
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if global == nil {
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continue
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}
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typ := prog.Elem(global.Type)
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if typ.ll != styp {
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return fmt.Errorf("%s: not a var of type string (type:%v)", name, typ.RawType())
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}
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newGlobal := llvm.AddGlobal(pkg.mod, styp, "")
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global.impl.ReplaceAllUsesWith(newGlobal)
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global.impl.EraseFromParentAsGlobal()
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newGlobal.SetName(name)
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}
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return nil
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}
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