feat(binana): change tool to deposit generated files into an 'artifacts' folder that isn't retained by repository history

go/symbols/loader.go

@@ -0,0 +1,79 @@
+package symbols
+
+import (
+	"bufio"
+	"errors"
+	"fmt"
+	"io"
+	"strings"
+)
+
+const min_columns = 3
+
+type loader struct {
+	filename    string
+	input       *bufio.Reader
+	table       *Table
+	line_number int
+}
+
+func (l *loader) read_line() (line string, err error) {
+	line, err = l.input.ReadString('\n')
+	if err != nil {
+		return
+	}
+	line = strings.TrimRight(line, "\r\n")
+	l.line_number++
+	return
+}
+
+func (l *loader) parse_line(line string) (err error) {
+	var table_entry TableEntry
+	table_entry.Filename = l.filename
+	table_entry.Linenumber = l.line_number
+
+	if line == "" {
+		//err = fmt.Errorf("%w: %s:%d", ErrLineLeftEmpty, table_entry.Filename, table_entry.Linenumber)
+		return
+	}
+
+	if err = table_entry.Symbol.Parse(line); err != nil {
+		err = fmt.Errorf("%w: %s:%d", err, table_entry.Filename, table_entry.Linenumber)
+		return
+	}
+
+	err = l.table.Insert(&table_entry)
+	return
+}
+
+func load(filename string, file io.Reader, table *Table) (err error) {
+	l := new(loader)
+
+	l.input = bufio.NewReader(file)
+	l.filename = filename
+	l.table = table
+
+	var (
+		line string
+	)
+
+	for {
+		line, err = l.read_line()
+		if err != nil {
+			if errors.Is(err, io.EOF) {
+				err = nil
+				break
+			} else {
+				err = fmt.Errorf("symbols: error reading at line %d: %w", l.line_number, err)
+				return
+			}
+		}
+
+		if err = l.parse_line(line); err != nil {
+			err = fmt.Errorf("symbols: error parsing at line %d: %w", l.line_number, err)
+			return
+		}
+	}
+
+	return
+}