diff --git a/crates/wiggle/Cargo.toml b/crates/wiggle/Cargo.toml index 8ebbf402a1..c437bf494c 100644 --- a/crates/wiggle/Cargo.toml +++ b/crates/wiggle/Cargo.toml @@ -1,7 +1,8 @@ [package] name = "wiggle" version = "0.1.0" -authors = ["Pat Hickey ", "Jakub Konka "] +authors = ["Pat Hickey ", "Jakub Konka ", "Alex Crichton "] +license = "Apache-2.0 WITH LLVM-exception" edition = "2018" [lib] diff --git a/crates/wiggle/LICENSE b/crates/wiggle/LICENSE index c46ee5f199..f9d81955f4 100644 --- a/crates/wiggle/LICENSE +++ b/crates/wiggle/LICENSE @@ -218,4 +218,3 @@ prospectively choose to deem waived or otherwise exclude such Section(s) of the License, but only in their entirety and only with respect to the Combined Software. - diff --git a/crates/wiggle/README.md b/crates/wiggle/README.md index 5b6db02f81..cc0fd88492 100644 --- a/crates/wiggle/README.md +++ b/crates/wiggle/README.md @@ -1,6 +1,7 @@ # wiggle -An experimental implementation of `bytecodealliance/wig` crate which -generates Rust bindings from `*.witx` that are meant to be more idiomatic -and hopefully allowing for easier polyfilling between different WASI -snapshot versions in the future. +Wiggle is a code generator for the host side of a `witx` interface. It is +invoked as a Rust procedural macro. + +Wiggle is not specialized to any particular WebAssembly runtime. It is usable +in at least Wasmtime and Lucet. diff --git a/crates/wiggle/crates/generate/Cargo.toml b/crates/wiggle/crates/generate/Cargo.toml index 39a5814f86..437e908ca2 100644 --- a/crates/wiggle/crates/generate/Cargo.toml +++ b/crates/wiggle/crates/generate/Cargo.toml @@ -1,16 +1,26 @@ [package] name = "wiggle-generate" version = "0.1.0" -authors = ["Pat Hickey ", "Jakub Konka "] +authors = ["Pat Hickey ", "Jakub Konka ", "Alex Crichton "] +license = "Apache-2.0 WITH LLVM-exception" edition = "2018" +description = "Library crate for wiggle code generator." +categories = ["wasm"] +keywords = ["webassembly", "wasm"] +repository = "https://github.com/bytecodealliance/wasmtime" +readme = "README.md" +include = ["src/**/*", "LICENSE"] [lib] [dependencies] -wiggle-runtime = { path = "../runtime" } +wiggle-runtime = { path = "../runtime", version = "0.1.0" } witx = "0.8.3" quote = "1.0" proc-macro2 = "1.0" heck = "0.3" anyhow = "1" syn = { version = "1.0", features = ["full"] } + +[badges] +maintenance = { status = "actively-developed" } diff --git a/crates/wiggle/crates/generate/LICENSE b/crates/wiggle/crates/generate/LICENSE new file mode 100644 index 0000000000..f9d81955f4 --- /dev/null +++ b/crates/wiggle/crates/generate/LICENSE @@ -0,0 +1,220 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + + +--- LLVM Exceptions to the Apache 2.0 License ---- + +As an exception, if, as a result of your compiling your source code, portions +of this Software are embedded into an Object form of such source code, you +may redistribute such embedded portions in such Object form without complying +with the conditions of Sections 4(a), 4(b) and 4(d) of the License. + +In addition, if you combine or link compiled forms of this Software with +software that is licensed under the GPLv2 ("Combined Software") and if a +court of competent jurisdiction determines that the patent provision (Section +3), the indemnity provision (Section 9) or other Section of the License +conflicts with the conditions of the GPLv2, you may retroactively and +prospectively choose to deem waived or otherwise exclude such Section(s) of +the License, but only in their entirety and only with respect to the Combined +Software. + diff --git a/crates/wiggle/crates/generate/README.md b/crates/wiggle/crates/generate/README.md new file mode 100644 index 0000000000..5ea5e9cfde --- /dev/null +++ b/crates/wiggle/crates/generate/README.md @@ -0,0 +1,11 @@ +# wiggle-generate + +This is a library crate that implements all of the component parts of +the `wiggle` proc-macro crate. + +Code lives in a separate non-proc-macro crate so that it can be reused in +other settings, e.g. the `lucet-wiggle` crate. + +Code generated by this crate should not have any references to a particular +WebAssembly runtime or engine. It should instead expose traits that may be +implemented by an engine. Today, it is consumed by both Lucet and Wasmtime. diff --git a/crates/wiggle/crates/runtime/Cargo.toml b/crates/wiggle/crates/runtime/Cargo.toml index 4e711424de..195380585f 100644 --- a/crates/wiggle/crates/runtime/Cargo.toml +++ b/crates/wiggle/crates/runtime/Cargo.toml @@ -1,8 +1,17 @@ [package] name = "wiggle-runtime" version = "0.1.0" -authors = ["Pat Hickey ", "Jakub Konka "] +authors = ["Pat Hickey ", "Jakub Konka ", "Alex Crichton "] edition = "2018" +license = "Apache-2.0 WITH LLVM-exception" +description = "Runtime components of wiggle code generator" +categories = ["wasm"] +keywords = ["webassembly", "wasm"] +repository = "https://github.com/bytecodealliance/wasmtime" +include = ["src/**/*", "LICENSE"] [dependencies] thiserror = "1" + +[badges] +maintenance = { status = "actively-developed" } diff --git a/crates/wiggle/crates/runtime/LICENSE b/crates/wiggle/crates/runtime/LICENSE new file mode 100644 index 0000000000..f9d81955f4 --- /dev/null +++ b/crates/wiggle/crates/runtime/LICENSE @@ -0,0 +1,220 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + + +--- LLVM Exceptions to the Apache 2.0 License ---- + +As an exception, if, as a result of your compiling your source code, portions +of this Software are embedded into an Object form of such source code, you +may redistribute such embedded portions in such Object form without complying +with the conditions of Sections 4(a), 4(b) and 4(d) of the License. + +In addition, if you combine or link compiled forms of this Software with +software that is licensed under the GPLv2 ("Combined Software") and if a +court of competent jurisdiction determines that the patent provision (Section +3), the indemnity provision (Section 9) or other Section of the License +conflicts with the conditions of the GPLv2, you may retroactively and +prospectively choose to deem waived or otherwise exclude such Section(s) of +the License, but only in their entirety and only with respect to the Combined +Software. + diff --git a/crates/wiggle/crates/test/Cargo.toml b/crates/wiggle/crates/test/Cargo.toml index 88c599e46c..04957bcf8c 100644 --- a/crates/wiggle/crates/test/Cargo.toml +++ b/crates/wiggle/crates/test/Cargo.toml @@ -1,9 +1,18 @@ [package] name = "wiggle-test" version = "0.1.0" -authors = ["Pat Hickey ", "Jakub Konka "] +authors = ["Pat Hickey ", "Jakub Konka ", "Alex Crichton "] +license = "Apache-2.0 WITH LLVM-exception" edition = "2018" +description = "Reusable testing components for wiggle code generator. Only intended to be used by tests in `wiggle` crate." +categories = ["wasm"] +keywords = ["webassembly", "wasm"] +repository = "https://github.com/bytecodealliance/wasmtime" +include = ["src/**/*", "LICENSE"] [dependencies] -wiggle-runtime = { path = "../runtime" } +wiggle-runtime = { path = "../runtime", version = "0.1.0" } proptest = "0.9" + +[badges] +maintenance = { status = "actively-developed" } diff --git a/crates/wiggle/crates/test/LICENSE b/crates/wiggle/crates/test/LICENSE new file mode 100644 index 0000000000..f9d81955f4 --- /dev/null +++ b/crates/wiggle/crates/test/LICENSE @@ -0,0 +1,220 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. 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Type names are translated to the Rust-idiomatic +/// CamelCase. +/// +/// * For each `module` defined in the witx document, a Rust module is defined +/// containing definitions for that module. Module names are teanslated to the +/// Rust-idiomatic snake\_case. +/// +/// * For each `@interface func` defined in a witx module, an abi-level +/// function is generated which takes ABI-level arguments, along with a +/// "context" struct (whose type is given by the `ctx` field in the +/// macro invocation) and a `GuestMemory` implementation. +/// +/// * A public "module trait" is defined (called the module name, in +/// SnakeCase) which has a `&self` method for each function in the +/// module. These methods takes idiomatic Rust types for each argument +/// and return `Result<($return_types),$error_type>` +/// +/// Arguments are provided using Rust struct value syntax. +/// +/// * `witx` takes a list of string literal paths. Paths are relative to the +/// CARGO_MANIFEST_DIR of the crate where the macro is invoked. +/// * `ctx` takes a type name. This type must implement all of the module +/// traits +/// +/// ## Example +/// +/// ``` +/// use wiggle_runtime::{GuestPtr, GuestErrorType}; +/// +/// /// The test witx file `arrays.witx` lives in the test directory. For a +/// /// full-fledged example with runtime tests, see `tests/arrays.rs` and +/// /// the rest of the files in that directory. +/// wiggle::from_witx!({ +/// witx: ["tests/arrays.witx"], +/// ctx: YourCtxType, +/// }); +/// +/// /// The `ctx` type for this wiggle invocation. +/// pub struct YourCtxType {} +/// +/// /// `arrays.witx` contains one module called `arrays`. So, we must +/// /// implement this one method trait for our ctx type: +/// impl arrays::Arrays for YourCtxType { +/// /// The arrays module has two methods, shown here. +/// /// Note that the `GuestPtr` type comes from `wiggle_runtime`, +/// /// whereas the witx-defined types like `Excuse` and `Errno` come +/// /// from the `pub mod types` emitted by the `wiggle::from_witx!` +/// /// invocation above. +/// fn reduce_excuses(&self, _a: &GuestPtr<[GuestPtr]>) +/// -> Result { +/// unimplemented!() +/// } +/// fn populate_excuses(&self, _a: &GuestPtr<[GuestPtr]>) +/// -> Result<(), types::Errno> { +/// unimplemented!() +/// } +/// } +/// +/// /// For all types used in the `Error` position of a `Result` in the module +/// /// traits, you must implement `GuestErrorType` which tells wiggle-generated +/// /// code how to determine if a method call has been successful, as well as +/// /// how to translate a wiggle runtime error into an ABI-level error. +/// impl<'a> GuestErrorType<'a> for types::Errno { +/// type Context = YourCtxType; +/// fn success() -> Self { +/// unimplemented!() +/// } +/// fn from_error(_e: wiggle_runtime::GuestError, _c: &Self::Context) -> Self { +/// unimplemented!() +/// } +/// } +/// +/// # fn main() { println!("this fools doc tests into compiling the above outside a function body") +/// # } +/// ``` #[proc_macro] pub fn from_witx(args: TokenStream) -> TokenStream { let mut config = parse_macro_input!(args as wiggle_generate::Config); diff --git a/scripts/test-all.sh b/scripts/test-all.sh index d1b590f9bc..905d274173 100755 --- a/scripts/test-all.sh +++ b/scripts/test-all.sh @@ -61,6 +61,11 @@ RUST_BACKTRACE=1 cargo test \ --package wasmtime-jit \ --package wasmtime-interface-types \ --package wasmtime-obj \ + --package wiggle \ + --package wiggle-generate \ + --package wiggle-runtime \ + --package wiggle-test \ + --package wasi-common \ # Test wasmtime-wasi-c, which doesn't support Windows. if [ "${OS:-Not}" != "Windows_NT" ]; then