mirror of
https://github.com/IBM/fp-go.git
synced 2025-06-17 00:07:49 +02:00
137 lines
3.1 KiB
Go
137 lines
3.1 KiB
Go
// Copyright (c) 2023 IBM Corp.
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// 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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package cli
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import (
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"fmt"
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"log"
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"os"
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"path/filepath"
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"time"
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A "github.com/IBM/fp-go/array"
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C "github.com/urfave/cli/v2"
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)
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func nonGenericIO(param string) string {
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return fmt.Sprintf("IO[%s]", param)
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}
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func genericIO(param string) string {
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return fmt.Sprintf("func() %s", param)
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}
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var extrasIO = A.Empty[string]()
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func generateIOSequenceT(f, fg *os.File, i int) {
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generateGenericSequenceT(nonGenericIO, genericIO, extrasIO)(f, fg, i)
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}
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func generateIOSequenceTuple(f, fg *os.File, i int) {
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generateGenericSequenceTuple(nonGenericIO, genericIO, extrasIO)(f, fg, i)
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}
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func generateIOTraverseTuple(f, fg *os.File, i int) {
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generateGenericTraverseTuple(nonGenericIO, genericIO, extrasIO)(f, fg, i)
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}
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func generateIOHelpers(filename string, count int) error {
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dir, err := os.Getwd()
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if err != nil {
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return err
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}
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absDir, err := filepath.Abs(dir)
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if err != nil {
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return err
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}
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pkg := filepath.Base(absDir)
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f, err := os.Create(filepath.Clean(filename))
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if err != nil {
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return err
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}
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defer f.Close()
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// construct subdirectory
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genFilename := filepath.Join("generic", filename)
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err = os.MkdirAll("generic", os.ModePerm)
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if err != nil {
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return err
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}
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fg, err := os.Create(filepath.Clean(genFilename))
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if err != nil {
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return err
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}
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defer fg.Close()
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// log
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log.Printf("Generating code in [%s] for package [%s] with [%d] repetitions ...", filename, pkg, count)
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// some header
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fmt.Fprintln(f, "// Code generated by go generate; DO NOT EDIT.")
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fmt.Fprintln(f, "// This file was generated by robots at")
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fmt.Fprintf(f, "// %s\n\n", time.Now())
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fmt.Fprintf(f, "package %s\n\n", pkg)
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fmt.Fprintf(f, `
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import (
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G "github.com/IBM/fp-go/%s/generic"
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T "github.com/IBM/fp-go/tuple"
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)
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`, pkg)
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// some header
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fmt.Fprintln(fg, "// Code generated by go generate; DO NOT EDIT.")
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fmt.Fprintln(fg, "// This file was generated by robots at")
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fmt.Fprintf(fg, "// %s\n", time.Now())
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fmt.Fprintf(fg, "package generic\n\n")
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fmt.Fprintf(fg, `
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import (
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T "github.com/IBM/fp-go/tuple"
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A "github.com/IBM/fp-go/internal/apply"
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)
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`)
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for i := 1; i <= count; i++ {
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// sequenceT
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generateIOSequenceT(f, fg, i)
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// sequenceTuple
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generateIOSequenceTuple(f, fg, i)
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// traverseTuple
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generateIOTraverseTuple(f, fg, i)
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}
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return nil
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}
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func IOCommand() *C.Command {
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return &C.Command{
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Name: "io",
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Usage: "generate code for IO",
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Flags: []C.Flag{
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flagCount,
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flagFilename,
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},
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Action: func(ctx *C.Context) error {
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return generateIOHelpers(
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ctx.String(keyFilename),
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ctx.Int(keyCount),
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)
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},
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}
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}
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