| 15 | ) |
| 16 | |
| 17 | func TestWalk(t *testing.T) { |
| 18 | |
| 19 | tests := []struct { |
| 20 | src string |
| 21 | want []testWalkCall |
| 22 | }{ |
| 23 | { |
| 24 | `1`, |
| 25 | []testWalkCall{ |
| 26 | {testWalkEnter, "*hclsyntax.LiteralValueExpr"}, |
| 27 | {testWalkExit, "*hclsyntax.LiteralValueExpr"}, |
| 28 | }, |
| 29 | }, |
| 30 | { |
| 31 | `foo`, |
| 32 | []testWalkCall{ |
| 33 | {testWalkEnter, "*hclsyntax.ScopeTraversalExpr"}, |
| 34 | {testWalkExit, "*hclsyntax.ScopeTraversalExpr"}, |
| 35 | }, |
| 36 | }, |
| 37 | { |
| 38 | `1 + 1`, |
| 39 | []testWalkCall{ |
| 40 | {testWalkEnter, "*hclsyntax.BinaryOpExpr"}, |
| 41 | {testWalkEnter, "*hclsyntax.LiteralValueExpr"}, |
| 42 | {testWalkExit, "*hclsyntax.LiteralValueExpr"}, |
| 43 | {testWalkEnter, "*hclsyntax.LiteralValueExpr"}, |
| 44 | {testWalkExit, "*hclsyntax.LiteralValueExpr"}, |
| 45 | {testWalkExit, "*hclsyntax.BinaryOpExpr"}, |
| 46 | }, |
| 47 | }, |
| 48 | { |
| 49 | `(1 + 1)`, |
| 50 | []testWalkCall{ |
| 51 | {testWalkEnter, "*hclsyntax.ParenthesesExpr"}, |
| 52 | {testWalkEnter, "*hclsyntax.BinaryOpExpr"}, |
| 53 | {testWalkEnter, "*hclsyntax.LiteralValueExpr"}, |
| 54 | {testWalkExit, "*hclsyntax.LiteralValueExpr"}, |
| 55 | {testWalkEnter, "*hclsyntax.LiteralValueExpr"}, |
| 56 | {testWalkExit, "*hclsyntax.LiteralValueExpr"}, |
| 57 | {testWalkExit, "*hclsyntax.BinaryOpExpr"}, |
| 58 | {testWalkExit, "*hclsyntax.ParenthesesExpr"}, |
| 59 | }, |
| 60 | }, |
| 61 | { |
| 62 | `a[0]`, |
| 63 | []testWalkCall{ |
| 64 | // because the index is constant here, the index is absorbed into the traversal |
| 65 | {testWalkEnter, "*hclsyntax.ScopeTraversalExpr"}, |
| 66 | {testWalkExit, "*hclsyntax.ScopeTraversalExpr"}, |
| 67 | }, |
| 68 | }, |
| 69 | { |
| 70 | `0[foo]`, // semantically incorrect, but should still parse and be walkable |
| 71 | []testWalkCall{ |
| 72 | {testWalkEnter, "*hclsyntax.IndexExpr"}, |
| 73 | {testWalkEnter, "*hclsyntax.LiteralValueExpr"}, |
| 74 | {testWalkExit, "*hclsyntax.LiteralValueExpr"}, |