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parser.leg: print_tree: write to an io.Writer

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This commit is contained in:
Michael Teichgräber 2012-04-21 23:08:33 +02:00
parent 4c6a2bc6b5
commit 0cbfa7b920
1 changed files with 6 additions and 5 deletions
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parser.leg
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@ -22,6 +22,7 @@ package markdown
import (
"fmt"
"io"
"strings"
"log"
"sync"
@ -992,24 +993,24 @@ func (d *Doc) find_note(label string) (*element, bool) {
/* print tree of elements, for debugging only.
*/
func print_tree(elt *element, indent int) {
func print_tree(w io.Writer, elt *element, indent int) {
var key string
for elt != nil {
for i := 0; i < indent; i++ {
fmt.Print("\t")
fmt.Fprint(w, "\t")
}
key = keynames[elt.key]
if key == "" {
key = "?"
}
if elt.key == STR {
fmt.Printf("%p:\t%s\t'%s'\n", elt, key, elt.contents.str)
fmt.Fprintf(w, "%p:\t%s\t'%s'\n", elt, key, elt.contents.str)
} else {
fmt.Printf("%p:\t%s %p\n", elt, key, elt.next)
fmt.Fprintf(w, "%p:\t%s %p\n", elt, key, elt.next)
}
if elt.children != nil {
print_tree(elt.children, indent+1)
print_tree(w, elt.children, indent+1)
}
elt = elt.next
}