diff options
Diffstat (limited to 'vendor/github.com/hashicorp/hcl/hcl/parser/parser.go')
-rw-r--r-- | vendor/github.com/hashicorp/hcl/hcl/parser/parser.go | 49 |
1 files changed, 42 insertions, 7 deletions
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/parser.go b/vendor/github.com/hashicorp/hcl/hcl/parser/parser.go index cc129b6..f46ed4c 100644 --- a/vendor/github.com/hashicorp/hcl/hcl/parser/parser.go +++ b/vendor/github.com/hashicorp/hcl/hcl/parser/parser.go @@ -79,6 +79,13 @@ func (p *Parser) objectList() (*ast.ObjectList, error) { } node.Add(n) + + // object lists can be optionally comma-delimited e.g. when a list of maps + // is being expressed, so a comma is allowed here - it's simply consumed + tok := p.scan() + if tok.Type != token.COMMA { + p.unscan() + } } return node, nil } @@ -220,8 +227,19 @@ func (p *Parser) objectKey() ([]*ast.ObjectKey, error) { return keys, nil case token.LBRACE: + var err error + + // If we have no keys, then it is a syntax error. i.e. {{}} is not + // allowed. + if len(keys) == 0 { + err = &PosError{ + Pos: p.tok.Pos, + Err: fmt.Errorf("expected: IDENT | STRING got: %s", p.tok.Type), + } + } + // object - return keys, nil + return keys, err case token.IDENT, token.STRING: keyCount++ keys = append(keys, &ast.ObjectKey{Token: p.tok}) @@ -300,15 +318,20 @@ func (p *Parser) listType() (*ast.ListType, error) { needComma := false for { tok := p.scan() - switch tok.Type { - case token.NUMBER, token.FLOAT, token.STRING, token.HEREDOC: - if needComma { + if needComma { + switch tok.Type { + case token.COMMA, token.RBRACK: + default: return nil, &PosError{ Pos: tok.Pos, - Err: fmt.Errorf("unexpected token: %s. Expecting %s", tok.Type, token.COMMA), + Err: fmt.Errorf( + "error parsing list, expected comma or list end, got: %s", + tok.Type), } } - + } + switch tok.Type { + case token.NUMBER, token.FLOAT, token.STRING, token.HEREDOC: node, err := p.literalType() if err != nil { return nil, err @@ -320,7 +343,7 @@ func (p *Parser) listType() (*ast.ListType, error) { // get next list item or we are at the end // do a look-ahead for line comment p.scan() - if p.lineComment != nil { + if p.lineComment != nil && len(l.List) > 0 { lit, ok := l.List[len(l.List)-1].(*ast.LiteralType) if ok { lit.LineComment = p.lineComment @@ -332,6 +355,18 @@ func (p *Parser) listType() (*ast.ListType, error) { needComma = false continue + case token.LBRACE: + // Looks like a nested object, so parse it out + node, err := p.objectType() + if err != nil { + return nil, &PosError{ + Pos: tok.Pos, + Err: fmt.Errorf( + "error while trying to parse object within list: %s", err), + } + } + l.Add(node) + needComma = true case token.BOOL: // TODO(arslan) should we support? not supported by HCL yet case token.LBRACK: |