Change package structure

The executable can be installed using `go install ./cmd/maleeni`.

1 files changed, 0 insertions, 115 deletions

diff --git a/cli/cmd/compile.go b/cli/cmd/compile.go
deleted file mode 100644
index f2d56fa..0000000
--- a/cli/cmd/compile.go
+++ /dev/null
@@ -1,115 +0,0 @@
-package cmd
-
-import (
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"time"
-
-	"github.com/nihei9/maleeni/compiler"
-	"github.com/nihei9/maleeni/spec"
-	"github.com/spf13/cobra"
-)
-
-var compileFlags = struct {
-	debug   *bool
-	lexSpec *string
-	output  *string
-}{}
-
-func init() {
-	cmd := &cobra.Command{
-		Use:     "compile",
-		Short:   "Compile a lexical specification into a DFA",
-		Long:    `compile takes a lexical specification and generates a DFA accepting the tokens described in the specification.`,
-		Example: `  cat lexspec.json | maleeni compile > clexspec.json`,
-		RunE:    runCompile,
-	}
-	compileFlags.debug = cmd.Flags().BoolP("debug", "d", false, "enable logging")
-	compileFlags.lexSpec = cmd.Flags().StringP("lex-spec", "l", "", "lexical specification file path (default: stdin)")
-	compileFlags.output = cmd.Flags().StringP("output", "o", "", "output file path (default: stdout)")
-	rootCmd.AddCommand(cmd)
-}
-
-func runCompile(cmd *cobra.Command, args []string) (retErr error) {
-	lspec, err := readLexSpec(*compileFlags.lexSpec)
-	if err != nil {
-		return fmt.Errorf("Cannot read a lexical specification: %w", err)
-	}
-
-	var opts []compiler.CompilerOption
-	if *compileFlags.debug {
-		fileName := "maleeni-compile.log"
-		f, err := os.OpenFile(fileName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
-		if err != nil {
-			return fmt.Errorf("Cannot open the log file %s: %w", fileName, err)
-		}
-		defer f.Close()
-		fmt.Fprintf(f, `maleeni compile starts.
-Date time: %v
----
-`, time.Now().Format(time.RFC3339))
-		defer func() {
-			fmt.Fprintf(f, "---\n")
-			if retErr != nil {
-				fmt.Fprintf(f, "maleeni compile failed: %v\n", retErr)
-			} else {
-				fmt.Fprintf(f, "maleeni compile succeeded.\n")
-			}
-		}()
-
-		opts = append(opts, compiler.EnableLogging(f))
-	}
-
-	clspec, err := compiler.Compile(lspec, opts...)
-	if err != nil {
-		return err
-	}
-	err = writeCompiledLexSpec(clspec, *compileFlags.output)
-	if err != nil {
-		return fmt.Errorf("Cannot write a compiled lexical specification: %w", err)
-	}
-
-	return nil
-}
-
-func readLexSpec(path string) (*spec.LexSpec, error) {
-	r := os.Stdin
-	if path != "" {
-		f, err := os.Open(path)
-		if err != nil {
-			return nil, fmt.Errorf("Cannot open the lexical specification file %s: %w", path, err)
-		}
-		defer f.Close()
-		r = f
-	}
-	data, err := ioutil.ReadAll(r)
-	if err != nil {
-		return nil, err
-	}
-	lspec := &spec.LexSpec{}
-	err = json.Unmarshal(data, lspec)
-	if err != nil {
-		return nil, err
-	}
-	return lspec, nil
-}
-
-func writeCompiledLexSpec(clspec *spec.CompiledLexSpec, path string) error {
-	out, err := json.Marshal(clspec)
-	if err != nil {
-		return err
-	}
-	w := os.Stdout
-	if path != "" {
-		f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
-		if err != nil {
-			return fmt.Errorf("Cannot open the output file %s: %w", path, err)
-		}
-		defer f.Close()
-		w = f
-	}
-	fmt.Fprintf(w, "%v\n", string(out))
-	return nil
-}