| //===- println.go - IR generation for print and println -------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements IR generation for the print and println built-in |
| // functions. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| package irgen |
| |
| import ( |
| "fmt" |
| |
| "llvm.org/llgo/third_party/gotools/go/types" |
| ) |
| |
| func (fr *frame) printValues(println_ bool, values ...*govalue) { |
| for i, value := range values { |
| llvm_value := value.value |
| |
| typ := value.Type().Underlying() |
| if name, isname := typ.(*types.Named); isname { |
| typ = name.Underlying() |
| } |
| |
| if println_ && i > 0 { |
| fr.runtime.printSpace.call(fr) |
| } |
| switch typ := typ.(type) { |
| case *types.Basic: |
| switch typ.Kind() { |
| case types.Uint8, types.Uint16, types.Uint32, types.Uintptr, types.Uint, types.Uint64: |
| i64 := fr.llvmtypes.ctx.Int64Type() |
| zext := fr.builder.CreateZExt(llvm_value, i64, "") |
| fr.runtime.printUint64.call(fr, zext) |
| |
| case types.Int, types.Int8, types.Int16, types.Int32, types.Int64: |
| i64 := fr.llvmtypes.ctx.Int64Type() |
| sext := fr.builder.CreateSExt(llvm_value, i64, "") |
| fr.runtime.printInt64.call(fr, sext) |
| |
| case types.Float32: |
| llvm_value = fr.builder.CreateFPExt(llvm_value, fr.llvmtypes.ctx.DoubleType(), "") |
| fallthrough |
| case types.Float64: |
| fr.runtime.printDouble.call(fr, llvm_value) |
| |
| case types.Complex64: |
| llvm_value = fr.convert(value, types.Typ[types.Complex128]).value |
| fallthrough |
| case types.Complex128: |
| fr.runtime.printComplex.call(fr, llvm_value) |
| |
| case types.String, types.UntypedString: |
| fr.runtime.printString.call(fr, llvm_value) |
| |
| case types.Bool: |
| fr.runtime.printBool.call(fr, llvm_value) |
| |
| case types.UnsafePointer: |
| fr.runtime.printPointer.call(fr, llvm_value) |
| |
| default: |
| panic(fmt.Sprint("Unhandled Basic Kind: ", typ.Kind)) |
| } |
| |
| case *types.Interface: |
| if typ.Empty() { |
| fr.runtime.printEmptyInterface.call(fr, llvm_value) |
| } else { |
| fr.runtime.printInterface.call(fr, llvm_value) |
| } |
| |
| case *types.Slice: |
| fr.runtime.printSlice.call(fr, llvm_value) |
| |
| case *types.Pointer, *types.Map, *types.Chan, *types.Signature: |
| fr.runtime.printPointer.call(fr, llvm_value) |
| |
| default: |
| panic(fmt.Sprintf("Unhandled type kind: %s (%T)", typ, typ)) |
| } |
| } |
| if println_ { |
| fr.runtime.printNl.call(fr) |
| } |
| } |