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update README

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Yuichi Nishiwaki 2013-12-10 03:30:41 -08:00
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@ -44,17 +44,17 @@
| 4.2.7 Exception handling | no | `guard` syntax. |
| 4.2.8 Quasiquotation | incomplete | nested is unsupported |
| 4.2.9 Case-lambda | N/A | |
| 4.3.1 Bindings constructs for syntactic keywords | no | Instead, picrin provides so-called legacy macro (`define-macro`). |
| 4.3.2 Pattern language | -- | see above. |
| 4.3.3 Signaling errors in macro transformers | -- | see above. |
| 4.3.1 Bindings constructs for syntactic keywords | incomplete | picrin provides hygienic macros in addition to so-called legacy macro (`define-macro`), such as syntactic closure, explicit renaming macro, and finally -- although experimentally -- implicit renaming macro. as of now let-syntax and letrec-syntax are not provided. |
| 4.3.2 Pattern language | no | `syntax-rules` |
| 4.3.3 Signaling errors in macro transformers | yes | |
| 5.1 Programs | yes | |
| 5.2 Import declarations | no | |
| 5.2 Import declarations | incomplete | only simple import declarations, no support for import with renaming. |
| 5.3.1 Top level definitions | yes | |
| 5.3.2 Internal definitions | yes | TODO: interreferential definitions |
| 5.3.3 Multiple-value definitions | no | |
| 5.4 Syntax definitions | -- | see notes on section 4.3.1. |
| 5.4 Syntax definitions | yes | TODO: internal macro definition is not supported. |
| 5.5 Recored-type definitions | no | |
| 5.6.1 Library Syntax | no | |
| 5.6.1 Library Syntax | yes | In picrin, libraries can be reopend. |
| 5.6.2 Library example | N/A | |
| 5.7 The REPL | yes | |
| 6.1 Equivalence predicates | yes | |