hcl/parser: parse list of lists

xcijimv · Jan 30, 2017 · 08c7efd · 08c7efd
1 parent db4f076
commit 08c7efd
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Showing 3 changed files with 21 additions and 3 deletions.
diff --git a/decoder_test.go b/decoder_test.go
@@ -207,6 +207,16 @@ func TestDecode_interface(t *testing.T) {
  },
  },
  },
+ {
+ "list_of_lists.hcl",
+ false,
+ map[string]interface{}{
+ "foo": []interface{}{
+ []interface{}{"foo"},
+ []interface{}{"bar"},
+ },
+ },
+ },
  {
  "list_of_maps.hcl",
  false,

diff --git a/hcl/parser/parser.go b/hcl/parser/parser.go
@@ -389,9 +389,15 @@ func (p *Parser) listType() (*ast.ListType, error) {
  l.Add(node)
  needComma = true
  case token.LBRACK:
- // TODO(arslan) should we support nested lists? Even though it's
- // written in README of HCL, it's not a part of the grammar
- // (not defined in parse.y)
+ node, err := p.listType()
+ if err != nil {
+ return nil, &PosError{
+ Pos: tok.Pos,
+ Err: fmt.Errorf(
+ "error while trying to parse list within list: %s", err),
+ }
+ }
+ l.Add(node)
  case token.RBRACK:
  // finished
  l.Rbrack = p.tok.Pos

diff --git a/test-fixtures/list_of_lists.hcl b/test-fixtures/list_of_lists.hcl
@@ -0,0 +1,2 @@
+foo = [["foo"], ["bar"]]
+