feat(gen): add symbolTable

gen/skip.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"bufio"
+	"errors"
+	"strings"
+)
+
+func skip2endif(scan *bufio.Scanner, ln int) int {
+	depth := 1
+	for scan.Scan() {
+		ln++
+		t := scan.Text()
+		switch {
+		case strings.HasPrefix(t, "#endif"):
+			depth--
+		case strings.HasPrefix(t, "#if"):
+			depth++
+		default:
+		}
+		if depth <= 0 {
+			break
+		}
+	}
+	return ln
+}
+
+func getinside0brakets(txt string) (string, int, error) {
+	depth := 0
+	a := 0
+	for i, t := range txt {
+		switch t {
+		case '(':
+			if depth == 0 {
+				a = i + 1
+			}
+			depth++
+		case ')':
+			depth--
+			if depth <= 0 {
+				return txt[a:i], i, nil
+			}
+		}
+	}
+	return "", 0, errors.New("no round brakets pair in " + txt)
+}