Merge pull request #156 from jonas/bindings

Add initial bindings subproject

Author: jonas

.scalafmt.conf

@@ -2,9 +2,10 @@ style = defaultWithAlign
 docstrings = JavaDoc
 assumeStandardLibraryStripMargin = true
 project.excludeFilters = [
-  "tests/samples/[^/]*[.]scala"
+  "bindings/[^/]+/src/main/.*[.]scala"
   "docs/src/test/scala/org/example/.*[.]scala"
   "sbt-scala-native-bindgen/.*/expected/.*[.]scala"
+  "tests/samples/[^/]*[.]scala"
 ]
 project.git = true
 runner.dialect = Scala211

Dockerfile

@@ -10,12 +10,18 @@ RUN set -x \
  && apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2EE0EA64E40A89B84B2DF73499E82A75642AC823 \
  && apt update \
  && apt install -y --no-install-recommends \
+            locales locales-all \
             g++ openjdk-8-jdk-headless sbt cmake make curl git \
             zlib1g-dev \
             libgc-dev libunwind8-dev libre2-dev \
             nlohmann-json-dev \
  && rm -rf /var/lib/apt/lists/*
 
+ARG LOCALE=en_US.UTF-8
+ENV LANG=$LOCALE
+ENV LANGUAGE=$LOCALE
+ENV LC_ALL=$LOCALE
+
 ARG LLVM_VERSION=6.0
 ENV LLVM_VERSION=$LLVM_VERSION
 RUN set -x \
@@ -26,4 +32,14 @@ RUN set -x \
  && rm -rf /var/lib/apt/lists/*
 
 ENV PATH=$PATH:/usr/lib/llvm-$LLVM_VERSION/bin
+
+##bindings-dev-package
+# Install binding dependencies
+RUN set -x \
+ && apt update \
+ && apt install -y --no-install-recommends \
+	libutf8proc-dev \
+ && rm -rf /var/lib/apt/lists/*
+##bindings-dev-package
+
 WORKDIR /src

bindings/iconv/src/main/scala/org/scalanative/bindgen/bindings/iconv/iconv.scala

@@ -0,0 +1,16 @@
+package org.scalanative.bindgen.bindings.iconv
+
+import scala.scalanative._
+import scala.scalanative.native._
+
+@native.extern
+object iconv {
+  type iconv_t = native.Ptr[Byte]
+  def iconv_open(__tocode: native.CString, __fromcode: native.CString): native.Ptr[Byte] = native.extern
+  def iconv(__cd: native.Ptr[Byte], __inbuf: native.Ptr[native.CString], __inbytesleft: native.Ptr[native.CSize], __outbuf: native.Ptr[native.CString], __outbytesleft: native.Ptr[native.CSize]): native.CSize = native.extern
+  def iconv_close(__cd: native.Ptr[Byte]): native.CInt = native.extern
+
+  object defines {
+    val _ICONV_H: native.CInt = 1
+  }
+}

bindings/iconv/src/test/scala/org/scalanative/bindgen/bindings/tests/IconvSpec.scala

@@ -0,0 +1,72 @@
+package org.scalanative.bindgen.bindings.iconv.tests
+
+import org.scalatest.FunSpec
+
+class IconvSpec extends FunSpec {
+  describe("iconv") {
+    it("should convert back and forth between UTF-8 and ISO-8859-1") {
+      //#usage-example
+      import org.scalanative.bindgen.bindings.iconv.iconv._
+      import scala.scalanative.native._
+      import java.nio.charset.Charset
+
+      val UTF8   = Charset.forName("UTF-8")
+      val encode = iconv_open(c"UTF-8", c"ISO-8859-1")
+      val decode = iconv_open(c"ISO-8859-1", c"UTF-8")
+
+      Zone { implicit zone =>
+        val originalBuf    = toCString("øre", UTF8) // Ear in Danish
+        val originalBufPtr = alloc[CString]
+        !originalBufPtr = originalBuf
+        val originalBytesLeft = alloc[CSize]
+        !originalBytesLeft = string.strlen(originalBuf)
+        //#usage-example
+        assert(!originalBytesLeft == 4)
+        //#usage-example
+
+        val translatedBuf    = alloc[Byte](32)
+        val translatedBufPtr = alloc[CString]
+        !translatedBufPtr = translatedBuf
+        val translatedBytesLeft = alloc[CSize]
+        !translatedBytesLeft = 32
+
+        val translatedCode = iconv(
+          encode,
+          originalBufPtr,
+          originalBytesLeft,
+          translatedBufPtr,
+          translatedBytesLeft
+        )
+        //#usage-example
+
+        assert(translatedCode == 0)
+
+        !translatedBufPtr = translatedBuf
+        !translatedBytesLeft = string.strlen(translatedBuf)
+
+        val roundtripBuf    = alloc[Byte](32)
+        val roundtripBufPtr = alloc[CString]
+        !roundtripBufPtr = roundtripBuf
+        val roundtripBytesLeft = alloc[CSize]
+        !roundtripBytesLeft = 32
+
+        val roundtripCode = iconv(
+          decode,
+          translatedBufPtr,
+          translatedBytesLeft,
+          roundtripBufPtr,
+          roundtripBytesLeft
+        )
+
+        assert(string.strcmp(originalBuf, roundtripBuf) == 0)
+      //#usage-example
+      }
+      //#usage-example
+
+      //#usage-example
+      iconv_close(encode)
+      //#usage-example
+      iconv_close(decode)
+    }
+  }
+}

bindings/posix/src/main/scala/org/scalanative/bindgen/bindings/posix/fnmatch.scala

@@ -0,0 +1,14 @@
+package org.scalanative.bindgen.bindings.posix
+
+import scala.scalanative._
+import scala.scalanative.native._
+
+@native.extern
+object fnmatch {
+  def fnmatch(__pattern: native.CString, __name: native.CString, __flags: native.CInt): native.CInt = native.extern
+
+  object defines {
+    val _FNMATCH_H: native.CInt = 1
+    val FNM_NOMATCH: native.CInt = 1
+  }
+}

bindings/posix/src/main/scala/org/scalanative/bindgen/bindings/posix/regex.scala

@@ -0,0 +1,59 @@
+package org.scalanative.bindgen.bindings.posix
+
+import scala.scalanative._
+import scala.scalanative.native._
+
+@native.extern
+object regex {
+  type enum_reg_errcode_t = native.CUnsignedInt
+  object enum_reg_errcode_t {
+    final val REG_NOERROR: enum_reg_errcode_t = 0.toUInt
+    final val REG_NOMATCH: enum_reg_errcode_t = 1.toUInt
+    final val REG_BADPAT: enum_reg_errcode_t = 2.toUInt
+    final val REG_ECOLLATE: enum_reg_errcode_t = 3.toUInt
+    final val REG_ECTYPE: enum_reg_errcode_t = 4.toUInt
+    final val REG_EESCAPE: enum_reg_errcode_t = 5.toUInt
+    final val REG_ESUBREG: enum_reg_errcode_t = 6.toUInt
+    final val REG_EBRACK: enum_reg_errcode_t = 7.toUInt
+    final val REG_EPAREN: enum_reg_errcode_t = 8.toUInt
+    final val REG_EBRACE: enum_reg_errcode_t = 9.toUInt
+    final val REG_BADBR: enum_reg_errcode_t = 10.toUInt
+    final val REG_ERANGE: enum_reg_errcode_t = 11.toUInt
+    final val REG_ESPACE: enum_reg_errcode_t = 12.toUInt
+    final val REG_BADRPT: enum_reg_errcode_t = 13.toUInt
+    final val REG_EEND: enum_reg_errcode_t = 14.toUInt
+    final val REG_ESIZE: enum_reg_errcode_t = 15.toUInt
+    final val REG_ERPAREN: enum_reg_errcode_t = 16.toUInt
+  }
+
+  type s_reg_t = native.CLong
+  type active_reg_t = native.CUnsignedLong
+  type reg_syntax_t = native.CUnsignedLong
+  type reg_errcode_t = enum_reg_errcode_t
+  type struct_re_pattern_buffer = native.CArray[Byte, native.Nat.Digit[native.Nat._6, native.Nat._4]]
+  type regex_t = struct_re_pattern_buffer
+  type regoff_t = native.CInt
+  type struct_regmatch_t = native.CStruct2[regoff_t, regoff_t]
+  type regmatch_t = struct_regmatch_t
+  val re_syntax_options: reg_syntax_t = native.extern
+  def regcomp(__preg: native.Ptr[regex_t], __pattern: native.CString, __cflags: native.CInt): native.CInt = native.extern
+  def regexec(__preg: native.Ptr[regex_t], __string: native.CString, __nmatch: native.CSize, __pmatch: native.Ptr[regmatch_t], __eflags: native.CInt): native.CInt = native.extern
+  def regerror(__errcode: native.CInt, __preg: native.Ptr[regex_t], __errbuf: native.CString, __errbuf_size: native.CSize): native.CSize = native.extern
+  def regfree(__preg: native.Ptr[regex_t]): Unit = native.extern
+
+  object defines {
+    val _REGEX_H: native.CInt = 1
+    val REG_EXTENDED: native.CInt = 1
+    val REG_NOTBOL: native.CInt = 1
+  }
+
+  object implicits {
+    implicit class struct_regmatch_t_ops(val p: native.Ptr[struct_regmatch_t]) extends AnyVal {
+      def rm_so: regoff_t = !p._1
+      def rm_so_=(value: regoff_t): Unit = !p._1 = value
+      def rm_eo: regoff_t = !p._2
+      def rm_eo_=(value: regoff_t): Unit = !p._2 = value
+    }
+    def struct_regmatch_t()(implicit z: native.Zone): native.Ptr[struct_regmatch_t] = native.alloc[struct_regmatch_t]
+  }
+}

bindings/posix/src/test/scala/org/scalanative/bindgen/bindings/tests/FnmatchSpec.scala

@@ -0,0 +1,19 @@
+package org.scalanative.bindgen.bindings.tests
+
+import org.scalatest.FunSpec
+
+class FnmatchSpec extends FunSpec {
+  describe("fnmatch") {
+    it("should match patterns") {
+      //#usage-example
+      import scala.scalanative.native._
+      import org.scalanative.bindgen.bindings.posix.fnmatch._
+
+      assert(fnmatch(c"*.md", c"README.md", 0) == 0)
+      assert(fnmatch(c"*.[ch]", c"main.h", 0) == 0)
+      assert(fnmatch(c"*.[ch]", c"main.c", 0) == 0)
+      assert(fnmatch(c"*.md", c"README_md", 0) == defines.FNM_NOMATCH)
+      //#usage-example
+    }
+  }
+}

bindings/posix/src/test/scala/org/scalanative/bindgen/bindings/tests/RegexSpec.scala

@@ -0,0 +1,27 @@
+package org.scalanative.bindgen.bindings.tests
+
+import org.scalatest.FunSpec
+
+class RegexSpec extends FunSpec {
+  describe("regex") {
+    it("should match regular expressions") {
+      //#usage-example
+      import scala.scalanative.native._
+      import org.scalanative.bindgen.bindings.posix.regex._
+
+      val reg = stackalloc[regex_t]
+
+      val compResult =
+        regcomp(reg, c"Scala \\(\\(J\\(VM\\|S\\)\\)\\|Native\\)", 0)
+      assert(compResult == 0)
+
+      assert(regexec(reg, c"Scala JVM", 0, null, 0) == 0)
+      assert(regexec(reg, c"Scala JS", 0, null, 0) == 0)
+      assert(regexec(reg, c"Scala Native", 0, null, 0) == 0)
+      assert(regexec(reg, c"Scala .NET", 0, null, 0) != 0)
+
+      regfree(reg)
+      //#usage-example
+    }
+  }
+}