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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
105 lines
2.5 KiB
Go
105 lines
2.5 KiB
Go
//===- string.go - Stringer implementation for Type -----------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Stringer interface for the Type type.
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//
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//===----------------------------------------------------------------------===//
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package llvm
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import "fmt"
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func (t TypeKind) String() string {
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switch t {
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case VoidTypeKind:
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return "VoidTypeKind"
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case FloatTypeKind:
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return "FloatTypeKind"
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case DoubleTypeKind:
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return "DoubleTypeKind"
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case X86_FP80TypeKind:
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return "X86_FP80TypeKind"
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case FP128TypeKind:
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return "FP128TypeKind"
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case PPC_FP128TypeKind:
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return "PPC_FP128TypeKind"
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case LabelTypeKind:
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return "LabelTypeKind"
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case IntegerTypeKind:
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return "IntegerTypeKind"
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case FunctionTypeKind:
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return "FunctionTypeKind"
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case StructTypeKind:
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return "StructTypeKind"
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case ArrayTypeKind:
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return "ArrayTypeKind"
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case PointerTypeKind:
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return "PointerTypeKind"
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case VectorTypeKind:
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return "VectorTypeKind"
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case MetadataTypeKind:
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return "MetadataTypeKind"
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}
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panic("unreachable")
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}
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func (t Type) String() string {
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ts := typeStringer{s: make(map[Type]string)}
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return ts.typeString(t)
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}
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type typeStringer struct {
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s map[Type]string
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}
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func (ts *typeStringer) typeString(t Type) string {
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if s, ok := ts.s[t]; ok {
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return s
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}
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k := t.TypeKind()
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s := k.String()
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s = s[:len(s)-len("Kind")]
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switch k {
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case ArrayTypeKind:
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s += fmt.Sprintf("(%v[%v])", ts.typeString(t.ElementType()), t.ArrayLength())
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case PointerTypeKind:
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s += fmt.Sprintf("(%v)", ts.typeString(t.ElementType()))
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case FunctionTypeKind:
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params := t.ParamTypes()
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s += "("
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if len(params) > 0 {
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s += fmt.Sprintf("%v", ts.typeString(params[0]))
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for i := 1; i < len(params); i++ {
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s += fmt.Sprintf(", %v", ts.typeString(params[i]))
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}
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}
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s += fmt.Sprintf("):%v", ts.typeString(t.ReturnType()))
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case StructTypeKind:
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if name := t.StructName(); name != "" {
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ts.s[t] = "%" + name
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s = fmt.Sprintf("%%%s: %s", name, s)
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}
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etypes := t.StructElementTypes()
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s += "("
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if n := len(etypes); n > 0 {
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s += ts.typeString(etypes[0])
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for i := 1; i < n; i++ {
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s += fmt.Sprintf(", %v", ts.typeString(etypes[i]))
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}
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}
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s += ")"
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case IntegerTypeKind:
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s += fmt.Sprintf("(%d bits)", t.IntTypeWidth())
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}
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ts.s[t] = s
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return s
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}
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