q/src/scanner/scanFile.go

57 lines
1.1 KiB
Go

package scanner
import (
"os"
"git.akyoto.dev/cli/q/src/errors"
"git.akyoto.dev/cli/q/src/fs"
"git.akyoto.dev/cli/q/src/token"
)
// scanFile scans a single file.
func (s *Scanner) scanFile(path string, pkg string) error {
contents, err := os.ReadFile(path)
if err != nil {
return err
}
tokens := token.Tokenize(contents)
file := &fs.File{
Path: path,
Bytes: contents,
Tokens: tokens,
Package: pkg,
}
s.files <- file
i := 0
for i < len(tokens) {
switch tokens[i].Kind {
case token.NewLine:
case token.Import:
i, err = s.scanImport(file, tokens, i)
case token.Struct:
i, err = s.scanStruct(file, tokens, i)
case token.Identifier:
i, err = s.scanFunction(file, tokens, i)
case token.EOF:
return nil
case token.Invalid:
return errors.New(&errors.InvalidCharacter{Character: tokens[i].Text(file.Bytes)}, file, tokens[i].Position)
default:
return errors.New(&errors.InvalidInstruction{Instruction: tokens[i].Text(file.Bytes)}, file, tokens[i].Position)
}
if err != nil {
return err
}
i++
}
return nil
}