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Split out SyscallHandler.nativeimage.macos (#187)
This is a follow on to #186 that fixes the `termios` struct definition on macos.
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129 changes: 129 additions & 0 deletions
129
...om/github/ajalt/mordant/internal/syscalls/nativeimage/SyscallHandler.nativeimage.macos.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package com.github.ajalt.mordant.internal.syscalls.nativeimage | ||
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| import com.github.ajalt.mordant.internal.Size | ||
| import com.github.ajalt.mordant.internal.syscalls.SyscallHandlerJvmPosix | ||
| import org.graalvm.nativeimage.Platform | ||
| import org.graalvm.nativeimage.Platforms | ||
| import org.graalvm.nativeimage.StackValue | ||
| import org.graalvm.nativeimage.c.CContext | ||
| import org.graalvm.nativeimage.c.constant.CConstant | ||
| import org.graalvm.nativeimage.c.function.CFunction | ||
| import org.graalvm.nativeimage.c.struct.CField | ||
| import org.graalvm.nativeimage.c.struct.CFieldAddress | ||
| import org.graalvm.nativeimage.c.struct.CStruct | ||
| import org.graalvm.nativeimage.c.type.CCharPointer | ||
| import org.graalvm.word.PointerBase | ||
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| @CContext(MacosLibC.Directives::class) | ||
| @Platforms(Platform.MACOS::class) | ||
| @Suppress("ClassName", "PropertyName", "SpellCheckingInspection", "FunctionName") | ||
| private object MacosLibC { | ||
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| class Directives : CContext.Directives { | ||
| override fun getHeaderFiles() = listOf("<unistd.h>", "<sys/ioctl.h>", "<termios.h>") | ||
| } | ||
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| @CConstant("TIOCGWINSZ") | ||
| external fun TIOCGWINSZ(): Int | ||
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| @CConstant("TCSADRAIN") | ||
| external fun TCSADRAIN(): Int | ||
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| @CConstant("NCCS") | ||
| external fun NCCS(): Int | ||
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| @CStruct("winsize", addStructKeyword = true) | ||
| interface winsize : PointerBase { | ||
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| @get:CField("ws_row") | ||
| val ws_row: Short | ||
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| @get:CField("ws_col") | ||
| val ws_col: Short | ||
| } | ||
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| @CStruct("termios", addStructKeyword = true) | ||
| interface termios : PointerBase { | ||
| @get:CField("c_iflag") | ||
| @set:CField("c_iflag") | ||
| var c_iflag: Long | ||
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| @get:CField("c_oflag") | ||
| @set:CField("c_oflag") | ||
| var c_oflag: Long | ||
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| @get:CField("c_cflag") | ||
| @set:CField("c_cflag") | ||
| var c_cflag: Long | ||
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| @get:CField("c_lflag") | ||
| @set:CField("c_lflag") | ||
| var c_lflag: Long | ||
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| @get:CFieldAddress("c_cc") | ||
| val c_cc: CCharPointer | ||
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| @get:CField("c_ispeed") | ||
| @set:CField("c_ispeed") | ||
| var c_ispeed: Long | ||
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| @get:CField("c_ospeed") | ||
| @set:CField("c_ospeed") | ||
| var c_ospeed: Long | ||
| } | ||
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| @CFunction("isatty") | ||
| external fun isatty(fd: Int): Boolean | ||
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| @CFunction("ioctl") | ||
| external fun ioctl(fd: Int, cmd: Int, winSize: winsize?): Int | ||
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| @CFunction("tcgetattr") | ||
| external fun tcgetattr(fd: Int, termios: termios?): Int | ||
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| @CFunction("tcsetattr") | ||
| external fun tcsetattr(fd: Int, cmd: Int, termios: termios?): Int | ||
| } | ||
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| @Platforms(Platform.MACOS::class) | ||
| internal class SyscallHandlerNativeImageMacos : SyscallHandlerJvmPosix() { | ||
| override fun isatty(fd: Int): Boolean = MacosLibC.isatty(fd) | ||
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| override fun getTerminalSize(): Size? { | ||
| val size = StackValue.get(MacosLibC.winsize::class.java) | ||
| return if (MacosLibC.ioctl(0, MacosLibC.TIOCGWINSZ(), size) < 0) { | ||
| null | ||
| } else { | ||
| Size(width = size.ws_col.toInt(), height = size.ws_row.toInt()) | ||
| } | ||
| } | ||
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| override fun getStdinTermios(): Termios { | ||
| val termios = StackValue.get(MacosLibC.termios::class.java) | ||
| if (MacosLibC.tcgetattr(STDIN_FILENO, termios) != 0) { | ||
| throw RuntimeException("Error reading terminal attributes") | ||
| } | ||
| return Termios( | ||
| iflag = termios.c_iflag.toUInt(), | ||
| oflag = termios.c_oflag.toUInt(), | ||
| cflag = termios.c_cflag.toUInt(), | ||
| lflag = termios.c_lflag.toUInt(), | ||
| cc = ByteArray(MacosLibC.NCCS()) { termios.c_cc.read(it) }, | ||
| ) | ||
| } | ||
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| override fun setStdinTermios(termios: Termios) { | ||
| val nativeTermios = StackValue.get(MacosLibC.termios::class.java) | ||
| if (MacosLibC.tcgetattr(STDIN_FILENO, nativeTermios) != 0) { | ||
| throw RuntimeException("Error reading terminal attributes") | ||
| } | ||
| nativeTermios.c_iflag = termios.iflag.toLong() | ||
| nativeTermios.c_oflag = termios.oflag.toLong() | ||
| nativeTermios.c_cflag = termios.cflag.toLong() | ||
| nativeTermios.c_lflag = termios.lflag.toLong() | ||
| termios.cc.forEachIndexed { i, b -> nativeTermios.c_cc.write(i, b) } | ||
| if (MacosLibC.tcsetattr(STDIN_FILENO, MacosLibC.TCSADRAIN(), nativeTermios) != 0) { | ||
| throw RuntimeException("Error setting terminal attributes") | ||
| } | ||
| } | ||
| } |