make the parsing compile - complete unusable atm

Makefile

@@ -17,10 +17,11 @@ GOFILES=\
 	string.go\
 	y.go\
 
+include $(GOROOT)/src/Make.pkg
+
 y.go:	dns.y
 	goyacc dns.y
 
-include $(GOROOT)/src/Make.pkg
 
 all: package
 	gomake -C resolver package

dns.y

@@ -1,14 +1,20 @@
+// Copyright Miek Gieben 2011
+// Heavily influenced by the zone-parser from NSD
 
 %{ 
 
 package dns
 
+import (
+    "fmt"
+)
+
 // A yacc parser for DNS Resource Records contained in strings
 
 %}
 
 %union {
-    string  string
+    val     string
     rrtype  uint16
     class   uint16
     ttl     uint16
@@ -18,16 +24,16 @@ package dns
 /*
  * Types known to package dns
  */
-%token <rrtype> RR_A RR_NS RR_MX RR_CNAME RR_AAAA RR_DNSKEY RR_RRSIG RR_DS
+%token <rrtype> Y_A Y_NS 
 
 /*
  * Other elements of the Resource Records
  */
 %token <ttl>    TTL
 %token <class>  CLASS
-%token <string> STR
+%token <val>    VAL
 %%
-rr:     name TTL CLASS 
+rr:     name TTL CLASS rrtype
   {
   
   };
@@ -35,7 +41,20 @@ rr:     name TTL CLASS
 name:   label
     |   name '.' label
 
-label:  STR
+label:  VAL
+
+rrtype: 
+      /* All supported RR types */
+        Y_A
+    |   Y_NS
 %%
 
 type DnsLex int
+
+func (DnsLex) Lex(yylval *yySymType) int {
+
+    // yylval.rrtype = Str_rr($XX)  //give back TypeA, TypeNS
+    // return Y_A this should be the token, another map?
+
+    return 0
+}

msg.go

@@ -86,13 +86,15 @@ var Rr_str = map[uint16]string{
 	TypeNSEC:       "NSEC",
 	TypeDNSKEY:     "DNSKEY",
 	TypeNSEC3:      "NSEC3",
-	TypeNSEC3PARAM: "NSEC3PARAM",
-	TypeTKEY:       "TKEY",
-	TypeTSIG:       "TSIG",
-	TypeAXFR:       "AXFR", // Not real RRs
-	TypeIXFR:       "IXFR",
+	TypeNSEC3PARAM: "NSEC3PARAM", // DNSSEC's bitch
+	TypeTKEY:       "TKEY",       // Meta RR
+	TypeTSIG:       "TSIG",       // Meta RR
+	TypeAXFR:       "AXFR",       // Meta RR
+	TypeIXFR:       "IXFR",       // Meta RR
 }
 
+// Reverse of Rr_str (needed for parsing)
+var Str_rr = reverse(Rr_str)
 
 // Map of strings for each RR wire type.
 var Class_str = map[uint16]string{
@@ -667,7 +669,14 @@ func unpackRR(msg []byte, off int) (rr RR, off1 int, ok bool) {
 	return rr, off, ok
 }
 
-// Usable representation of a DNS packet.
+func reverse(m map[uint16]string) map[string]uint16 {
+        n := make(map[string]uint16)
+        for u, s := range m {
+                n[s] = u
+        }
+        return n
+}
+
 
 // Convert a MsgHdr to a string, mimic the way Dig displays headers:
 //;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48404

ttl_test.go

@@ -1,4 +1,4 @@
-package strconv
+package dns
 
 import ( "testing")