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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| # The MIT License (MIT) | ||
| # | ||
| # Copyright (c) 2016-2024 Objectionary.com | ||
| # | ||
| # Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| # of this software and associated documentation files (the "Software"), to deal | ||
| # in the Software without restriction, including without limitation the rights | ||
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| # copies of the Software, and to permit persons to whom the Software is | ||
| # furnished to do so, subject to the following conditions: | ||
| # | ||
| # The above copyright notice and this permission notice shall be included | ||
| # in all copies or substantial portions of the Software. | ||
| # | ||
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| # SOFTWARE. | ||
|
|
||
| +architect [email protected] | ||
| +home https://github.com/objectionary/eo | ||
| +package org.eolang.sys | ||
| +rt jvm org.eolang:eo-runtime:0.0.0 | ||
| +rt node eo2js-runtime:0.0.0 | ||
| +version 0.0.0 | ||
|
|
||
| # Makes a Unix syscall by name with POSIX interface. | ||
| # See https://filippo.io/linux-syscall-table/ | ||
| [name args] > posix /int |
69 changes: 69 additions & 0 deletions
69
eo-runtime/src/main/java/EOorg/EOeolang/EOsys/CStdLib.java
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| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2016-2024 Objectionary.com | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included | ||
| * in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| /* | ||
| * @checkstyle PackageNameCheck (4 lines) | ||
| */ | ||
| package EOorg.EOeolang.EOsys; | ||
|
|
||
| import com.sun.jna.Library; | ||
| import com.sun.jna.Native; | ||
|
|
||
| /** | ||
| * C standard library with unix syscalls. | ||
| * @since 0.40 | ||
| */ | ||
| public interface CStdLib extends Library { | ||
|
|
||
| /** | ||
| * C STDLIB instance. | ||
| */ | ||
| CStdLib CSTDLIB = Native.load("c", CStdLib.class); | ||
|
|
||
| /** | ||
| * The "getpid" syscall. | ||
| * | ||
| * @return Process ID. | ||
| */ | ||
| int getpid(); | ||
|
|
||
| /** | ||
| * The "write" syscall. | ||
| * | ||
| * @param descriptor File descriptor. | ||
| * @param buf Buffer. | ||
| * @param size Number of bytes to be written. | ||
| * @return Number of bytes was written. | ||
| */ | ||
| int write(Long descriptor, String buf, Long size); | ||
|
|
||
| /** | ||
| * The "read" syscall. | ||
| * | ||
| * @param descriptor File descriptor. | ||
| * @param buf Buffer. | ||
| * @param size Number of bytes to be read. | ||
| * @return Number of bytes was read. | ||
| */ | ||
| int read(Long descriptor, byte[] buf, Long size); | ||
| } |
138 changes: 138 additions & 0 deletions
138
eo-runtime/src/main/java/EOorg/EOeolang/EOsys/DispatchedNativeDefault.java
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| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2016-2024 Objectionary.com | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included | ||
| * in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| /* | ||
| * @checkstyle PackageNameCheck (4 lines) | ||
| */ | ||
| package EOorg.EOeolang.EOsys; | ||
|
|
||
| import com.sun.jna.Library; | ||
| import java.lang.reflect.InvocationTargetException; | ||
| import java.lang.reflect.Method; | ||
| import org.eolang.Dataized; | ||
| import org.eolang.Phi; | ||
|
|
||
| /** | ||
| * Default native call that uses {@link Library} and can be dispatched by name. | ||
| * | ||
| * @since 0.40 | ||
| */ | ||
| public final class DispatchedNativeDefault implements DispatchedNativeMethod { | ||
| /** | ||
| * Native library. | ||
| */ | ||
| private final Library lib; | ||
|
|
||
| /** | ||
| * Dispatched method. | ||
| */ | ||
| private final Method method; | ||
|
|
||
| /** | ||
| * Ctor. | ||
| * @param lib Library. | ||
| * @param method Method. | ||
| */ | ||
| DispatchedNativeDefault(final Library lib, final Method method) { | ||
| this.lib = lib; | ||
| this.method = method; | ||
| } | ||
|
|
||
| /** | ||
| * Ctor. | ||
| * @param lib Library. | ||
| * @param name Method name. | ||
| */ | ||
| DispatchedNativeDefault(final Library lib, final String name) { | ||
| this(lib, DispatchedNativeDefault.findMethodUnsafe(name, lib)); | ||
| } | ||
|
|
||
| @Override | ||
| public int call(final Phi... params) { | ||
| try { | ||
| return (int) this.method.invoke(this.lib, this.prepareParams(params)); | ||
| } catch (final InvocationTargetException | IllegalAccessException ex) { | ||
| throw new IllegalStateException( | ||
| String.format( | ||
| "Problem while calling syscall with name \"%s\"", | ||
| this.method.getName() | ||
| ), | ||
| ex | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Prepares {@link Phi} parameters to be passed to native method. | ||
| * @param params Parameters {@link Phi}. | ||
| * @return Prepared parameters. | ||
| */ | ||
| private Object[] prepareParams(final Phi... params) { | ||
| final Object[] prepared = new Object[params.length]; | ||
| final Class<?>[] types = this.method.getParameterTypes(); | ||
| for (int iter = 0; iter < params.length; ++iter) { | ||
| prepared[iter] = new Dataized(params[iter]).take(types[iter]); | ||
| } | ||
| return prepared; | ||
| } | ||
|
|
||
| /** | ||
| * Finds method by name in native library. | ||
| * @param name Method name. | ||
| * @param lib Native library. | ||
| * @return Method. | ||
| * @throws NoSuchMethodException if method not found. | ||
| */ | ||
| private static Method findMethod(final String name, final Library lib) | ||
| throws NoSuchMethodException { | ||
| for (final Method method : lib.getClass().getMethods()) { | ||
| if (method.getName().equals(name)) { | ||
| return method; | ||
| } | ||
| } | ||
| throw new NoSuchMethodException( | ||
| String.format( | ||
| "Can't find syscall with name %s in class %s", | ||
| name, | ||
| lib.getClass().getName() | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Finds method by name in native library. | ||
| * @param name Method name. | ||
| * @param lib Native library. | ||
| * @return Method. | ||
| */ | ||
| private static Method findMethodUnsafe(final String name, final Library lib) { | ||
| try { | ||
| return DispatchedNativeDefault.findMethod(name, lib); | ||
| } catch (final NoSuchMethodException ex) { | ||
| throw new IllegalArgumentException( | ||
| String.format("Can't find syscall with name \"%s\"", name), | ||
| ex | ||
| ); | ||
| } | ||
| } | ||
| } |
44 changes: 44 additions & 0 deletions
44
eo-runtime/src/main/java/EOorg/EOeolang/EOsys/DispatchedNativeMethod.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2016-2024 Objectionary.com | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included | ||
| * in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| /* | ||
| * @checkstyle PackageNameCheck (4 lines) | ||
| */ | ||
| package EOorg.EOeolang.EOsys; | ||
|
|
||
| import org.eolang.Phi; | ||
|
|
||
| /** | ||
| * Native method that can be called with EO objects ({@link Phi}) as arguments. | ||
| * | ||
| * @since 0.40 | ||
| */ | ||
| public interface DispatchedNativeMethod { | ||
| /** | ||
| * Makes native method call. | ||
| * | ||
| * @param params Native methods parameters. | ||
| * @return Methods return code. | ||
| */ | ||
| int call(Phi... params); | ||
| } |
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