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old.go

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package main

import (

"bytes"

"errors"

"fmt"

"os"

"os/exec"

"path/filepath"

"runtime"

"strings"

"time"

"github.com/Nv7-Github/bpp/old/compiler"

"github.com/Nv7-Github/bpp/old/membuild"

"github.com/Nv7-Github/bpp/old/parser"

)

// CompileCmd implements the "compile" sub-command

func CompileCmd(args Args, prog *parser.Program) {

ext := filepath.Ext(args.Old.Build.Files[0])

name := args.Old.Build.Files[0][0 : len(args.Old.Build.Files[0])-len(ext)]

var start time.Time

if args.Time {

start = time.Now()

}

compiled, err := compiler.Compile(prog)

handle(err)

if args.Time {

fmt.Println("Built in", time.Since(start))

}

llname := name + ".ll"

err = os.WriteFile(llname, []byte(compiled), os.ModePerm)

handle(err)

if args.Time {

start = time.Now()

}

if args.Old.Build.CC != "" {

outFile := args.Old.Build.Output

if outFile == "" {

outFile = name

if runtime.GOOS == "windows" {

outFile += ".exe"

}

}

cmd := exec.Command(args.Old.Build.CC, "-o", outFile, "-O3", llname)

stderr := bytes.NewBuffer(make([]byte, 0))

cmd.Stderr = stderr

err = cmd.Run()

if err != nil {

handle(errors.New(stderr.String()))

}

if args.Time {

fmt.Println("Compiled in", time.Since(start))

}

} else if args.Old.Build.Asm != "" {

outFile := args.Old.Build.Output

if outFile == "" {

outFile = name

}

outFile += ".s"

cmd := exec.Command(args.Old.Build.Asm, "-o", outFile, "-O3", llname)

stderr := bytes.NewBuffer(make([]byte, 0))

cmd.Stderr = stderr

err = cmd.Run()

if err != nil {

handle(errors.New(stderr.String()))

}

if args.Time {

fmt.Println("Created assembly in", time.Since(start))

}

}

if args.Old.Build.CC != "" || args.Old.Build.Asm != "" {

err = os.Remove(llname)

handle(err)

}

}

// MembuildCmd implements the "membuild" sub-command

func MembuildCmd(args Args, prog *parser.Program) {

var start time.Time

if args.Time {

start = time.Now()

}

p, err := membuild.Build(prog)

handle(err)

if args.Time {

fmt.Println("Built in", time.Since(start))

}

if len(args.Old.Membuild.Args) > 0 {

p.Args = strings.Split(args.Old.Membuild.Args, ",")

} else {

p.Args = make([]string, 0)

}

if args.Time {

start = time.Now()

}

p.Runner = func(d membuild.Data) error {

if !d.Type.IsEqual(parser.NULL) && d.Value != "" {

_, err := fmt.Println(d.Value)

return err

}

return nil

}

err = p.Run()

handle(err)

if args.Time {

fmt.Println("Ran in", time.Since(start))

}

}

func OldCmd(args Args) {

switch {

case args.Old.Build != nil:

fmt.Println("WARNING: Build is a legacy command and may be removed at any time!")

if len(args.Old.Build.Files) < 1 {

handle(errors.New("you must supply at least one file"))

}

prog := ParseProg(args.Time, args.Old.Build.Files)

CompileCmd(args, prog)

case args.Old.Membuild != nil:

fmt.Println("WARNING: Membuild is a legacy command and may be removed at any time!")

if len(args.Old.Membuild.Files) < 1 {

handle(errors.New("you must supply at least one file"))

}

prog := ParseProg(args.Time, args.Old.Membuild.Files)

MembuildCmd(args, prog)

}

}