(allowSplats bool)
| 34 | } |
| 35 | |
| 36 | func (p *parser) parseTraversal(allowSplats bool) (hcl.Traversal, hcl.Diagnostics) { |
| 37 | var ret hcl.Traversal |
| 38 | var diags hcl.Diagnostics |
| 39 | |
| 40 | // Absolute traversal must always begin with a variable name |
| 41 | varTok := p.Read() |
| 42 | if varTok.Type != TokenIdent { |
| 43 | diags = append(diags, &hcl.Diagnostic{ |
| 44 | Severity: hcl.DiagError, |
| 45 | Summary: "Variable name required", |
| 46 | Detail: "Must begin with a variable name.", |
| 47 | Subject: &varTok.Range, |
| 48 | }) |
| 49 | return ret, diags |
| 50 | } |
| 51 | |
| 52 | varName := string(varTok.Bytes) |
| 53 | ret = append(ret, hcl.TraverseRoot{ |
| 54 | Name: varName, |
| 55 | SrcRange: varTok.Range, |
| 56 | }) |
| 57 | |
| 58 | for { |
| 59 | next := p.Peek() |
| 60 | |
| 61 | if next.Type == TokenEOF { |
| 62 | return ret, diags |
| 63 | } |
| 64 | |
| 65 | switch next.Type { |
| 66 | case TokenDot: |
| 67 | // Attribute access |
| 68 | dot := p.Read() // eat dot |
| 69 | nameTok := p.Read() |
| 70 | if nameTok.Type != TokenIdent { |
| 71 | if nameTok.Type == TokenStar { |
| 72 | diags = append(diags, &hcl.Diagnostic{ |
| 73 | Severity: hcl.DiagError, |
| 74 | Summary: "Attribute name required", |
| 75 | Detail: "Splat expressions (.*) may not be used here.", |
| 76 | Subject: &nameTok.Range, |
| 77 | Context: hcl.RangeBetween(varTok.Range, nameTok.Range).Ptr(), |
| 78 | }) |
| 79 | } else { |
| 80 | diags = append(diags, &hcl.Diagnostic{ |
| 81 | Severity: hcl.DiagError, |
| 82 | Summary: "Attribute name required", |
| 83 | Detail: "Dot must be followed by attribute name.", |
| 84 | Subject: &nameTok.Range, |
| 85 | Context: hcl.RangeBetween(varTok.Range, nameTok.Range).Ptr(), |
| 86 | }) |
| 87 | } |
| 88 | return ret, diags |
| 89 | } |
| 90 | |
| 91 | attrName := string(nameTok.Bytes) |
| 92 | ret = append(ret, hcl.TraverseAttr{ |
| 93 | Name: attrName, |
no test coverage detected