add toml config

example/flint.toml

@@ -0,0 +1,13 @@
+[package]
+  name = "example-package"
+  version = "0.1.0"
+  authors = ["author1", "author2"]
+  description = "A example library for Flint programming language."
+  license = "MIT"
+  repository = "https://github.com/example/example-repo"
+
+[build]
+  type = "native"
+  language = "c"
+  entry = "example.c"
+  output = "example"

go.mod

@@ -3,6 +3,7 @@ module flint
 go 1.25.4
 
 require (
+	github.com/BurntSushi/toml v1.5.0 // indirect
 	github.com/llir/llvm v0.3.6 // indirect
 	github.com/mewmew/float v0.0.0-20201204173432-505706aa38fa // indirect
 	github.com/pkg/errors v0.9.1 // indirect

go.sum

@@ -1,3 +1,5 @@
+github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg=
+github.com/BurntSushi/toml v1.5.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=

internal/toml/buildconfig.go

@@ -0,0 +1,17 @@
+package toml
+
+type buildConfig struct {
+	Type     string `toml:"type"`
+	Language string `toml:"language"`
+	Entry    string `toml:"entry"`
+	Output   string `toml:"output"`
+}
+
+func newExampleBuildConfig() buildConfig {
+	return buildConfig{
+		Type:     "native",
+		Language: "c",
+		Entry:    "example.c",
+		Output:   "example",
+	}
+}

internal/toml/config.go

@@ -0,0 +1,65 @@
+package toml
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/BurntSushi/toml"
+)
+
+type (
+	ProjectConfig struct {
+		PackageConfig packageConfig `toml:"package"`
+		BuildConfig   buildConfig   `toml:"build"`
+	}
+)
+
+var configFile = "flint.toml"
+
+func newExampleProjectConfig() ProjectConfig {
+	return ProjectConfig{
+		PackageConfig: newExamplePackageConfig(),
+		BuildConfig: newExampleBuildConfig(),
+	}
+}
+
+func newExampleProjectConfigAt(path string) {
+	saveProjectConfigAt(newExampleProjectConfig(), path)
+}
+
+func loadProjectConfig() (ProjectConfig, error) {
+	return loadProjectConfigAt("")
+}
+
+func loadProjectConfigAt(path string) (ProjectConfig, error){
+	var config ProjectConfig
+	_, err := toml.DecodeFile(path + "/" + configFile, &config)
+	return config, err 
+}
+
+func saveProjectConfig(config ProjectConfig) {
+	saveProjectConfigAt(config, "")
+}
+
+func saveProjectConfigAt(config ProjectConfig, path string) error {
+	os.MkdirAll(path, os.ModePerm)
+
+	file, fileErr := os.Create(path + "/" + configFile)
+
+	if fileErr != nil {
+		return fileErr
+	}
+
+	err := toml.NewEncoder(file).Encode(config)
+
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func printProjectConfig(config ProjectConfig) {
+	fmt.Printf("%+v", config)
+}
+
+

internal/toml/packageconfig.go

@@ -0,0 +1,21 @@
+package toml
+
+type packageConfig struct {
+	Name        string   `toml:"name"`
+	Version     string   `toml:"version"`
+	Authors     []string `toml:"authors"`
+	Description string   `toml:"description"`
+	License     string   `toml:"license"`
+	Repository  string   `toml:"repository"`
+}
+
+func newExamplePackageConfig() packageConfig {
+	return packageConfig{
+		Name:        "example-package",
+		Version:     "0.1.0",
+		Authors:     []string{"author1", "author2"},
+		Description: "A example library for Flint programming language.",
+		License:     "MIT",
+		Repository:  "https://github.com/example/example-repo",
+	}
+}