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package main
import (
_ "embed"
"flag"
"fmt"
"html/template"
"jinx/pkg/lang/compiler"
"jinx/pkg/lang/parser"
"jinx/pkg/lang/scanner"
"jinx/pkg/lang/vm/code"
"os"
)
//go:embed compiled.tmpl
var compiledTemplateString string
type compiledTemplateInfo struct {
Module string
Globals []string
Bytes string
}
func main() {
flag.Parse()
moduleName := flag.Arg(0)
if moduleName == "" {
exit("no module specified")
}
moduleSourcePath := fmt.Sprintf("pkg/lang/modules/%s/%s.lang", moduleName, moduleName)
moduleOutputPath := fmt.Sprintf("pkg/lang/modules/%s/compiled.go", moduleName)
sourceFile, err := os.Open(moduleSourcePath)
if err != nil {
exit("could not open file: %v", err)
}
defer sourceFile.Close()
scanner := scanner.New(sourceFile)
tokens, err := scanner.Scan()
if err != nil {
exit("error during scanning: %v", err)
}
parser := parser.New(tokens)
program, err := parser.Parse()
if err != nil {
exit("error during parsing: %v", err)
}
comp := compiler.New(moduleName, "", program)
module, err := comp.Compile()
if err != nil {
exit("compilation failed: %v", err)
}
code := turnCodeIntoBytes(module.Code().Code())
info := compiledTemplateInfo{
Module: module.Name(),
Globals: module.Globals(),
Bytes: code,
}
compiledTemplate, err := template.New("compiled").Parse(compiledTemplateString)
if err != nil {
exit("could not parse template: %v", err)
}
outputFile, err := os.Create(moduleOutputPath)
if err != nil {
exit("could not create file: %v", err)
}
if err := compiledTemplate.Execute(outputFile, info); err != nil {
exit("could not write to file: %v", err)
}
}
func turnCodeIntoBytes(code code.Raw) string {
var result string
for _, b := range []byte(code) {
result += fmt.Sprintf("0x%x, ", b)
}
return result
}
func exit(format string, args ...any) {
message := fmt.Sprintf(format, args...)
fmt.Printf("error: %s\n", message)
os.Exit(1)
}
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