Initial commit (#1)

.github/workflows/pr.yml

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+name: PR Build Check
+
+on:
+  pull_request: 
+jobs:
+  java:
+    name: Build and Test Java
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'adopt'
+      - name: Build with Gradle
+        run: ./gradlew build
+  isthmus-native-image-mac-linux:
+    name: Build Isthmus Native Image
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macOS-latest]
+    steps:
+    - uses: actions/checkout@v1
+    - uses: DeLaGuardo/setup-graalvm@5.0
+      with:
+        graalvm: '22.0.0.2'
+        java: 'java17'
+    - run: java -version
+    - run: gu install native-image
+    - name: Build with Gradle
+      run: ./gradlew nativeImage
+    - name: Smoke Test
+      run: ./isthmus/src/test/script/smoke.sh
+    - name: Rename the artifact to OS-unique name
+      shell: bash
+      run: |
+        value=`mv isthmus/build/graal/isthmus isthmus/build/graal/isthmus-${{ matrix.os }}`
+    - name: Publish artifact
+      uses: actions/upload-artifact@master
+      with:
+        name: isthmus-${{ matrix.os }}
+        path: isthmus/build/graal/isthmus-${{ matrix.os }}

.gitignore

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+**/target
+**/.gradle
+**/.idea
+**/build
+gen

.gitmodules

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+[submodule "spec"]
+	path = substrait
+	url = https://github.com/substrait-io/substrait.git

bom/build.gradle.kts

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+/*
+* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements.  See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to you 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.
+*/
+plugins {
+    `java-platform`
+}
+
+val String.v: String get() = rootProject.extra["$this.version"] as String
+
+// Note: Gradle allows to declare dependency on "bom" as "api",
+// and it makes the contraints to be transitively visible
+// However Maven can't express that, so the approach is to use Gradle resolution
+// and generate pom files with resolved versions
+// See https://github.com/gradle/gradle/issues/9866
+
+fun DependencyConstraintHandlerScope.apiv(
+    notation: String,
+    versionProp: String = notation.substringAfterLast(':')
+) =
+    "api"(notation + ":" + versionProp.v)
+
+fun DependencyConstraintHandlerScope.runtimev(
+    notation: String,
+    versionProp: String = notation.substringAfterLast(':')
+) =
+    "runtime"(notation + ":" + versionProp.v)
+
+javaPlatform {
+    allowDependencies()
+}
+
+dependencies {
+    api(platform("com.fasterxml.jackson:jackson-bom:${"jackson".v}"))
+
+    // Parenthesis are needed here: https://github.com/gradle/gradle/issues/9248
+    (constraints) {
+        // api means "the dependency is for both compilation and runtime"
+        // runtime means "the dependency is only for runtime, not for compilation"
+        // In other words, marking dependency as "runtime" would avoid accidental
+        // dependency on it during compilation
+
+    }
+}

build.gradle.kts

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+import com.github.vlsi.gradle.dsl.configureEach
+
+plugins {
+    id("java")
+    id("idea")
+    id("com.github.vlsi.gradle-extensions")  version "1.74"
+}
+
+repositories {
+    mavenCentral()
+}
+
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(17))
+    }
+}
+
+dependencies {
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.6.0")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
+    implementation("org.slf4j:slf4j-jdk14:1.7.30")
+    annotationProcessor("org.immutables:value:2.8.8")
+    compileOnly("org.immutables:value-annotations:2.8.8")
+}
+
+allprojects {
+    repositories {
+        mavenCentral()
+    }
+
+    tasks.configureEach<Test> {
+        useJUnitPlatform()
+    }
+
+
+    tasks.withType<JavaCompile>().configureEach {
+        options.compilerArgs.add("--enable-preview")
+    }
+
+    tasks.withType<Test>().configureEach {
+        jvmArgs("--enable-preview")
+    }
+
+    group = "io.substrait"
+    version = "1.0-SNAPSHOT"
+
+
+
+
+}
+

core/build.gradle.kts

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+import com.google.protobuf.gradle.protobuf
+import com.google.protobuf.gradle.protoc
+import org.gradle.plugins.ide.idea.model.IdeaModel
+
+plugins {
+    id("java")
+    id("idea")
+    id("antlr")
+    id("com.google.protobuf") version "0.8.17"
+}
+
+dependencies {
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.6.0")
+    testImplementation("org.junit.jupiter:junit-jupiter-params:5.6.0")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
+    implementation("com.google.protobuf:protobuf-java:3.17.3")
+    implementation("com.fasterxml.jackson.core:jackson-databind:2.12.4")
+    implementation("com.fasterxml.jackson.core:jackson-annotations:2.12.4")
+    implementation("com.fasterxml.jackson.datatype:jackson-datatype-jdk8:2.12.4")
+    implementation("com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.12.4")
+    implementation("com.google.code.findbugs:jsr305:3.0.2")
+
+
+    antlr("org.antlr:antlr4:4.9.2")
+    implementation("org.slf4j:slf4j-jdk14:1.7.30")
+    implementation("org.antlr:antlr4:4.9.2")
+    annotationProcessor("org.immutables:value:2.8.8")
+    compileOnly("org.immutables:value-annotations:2.8.8")
+
+}
+
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(17))
+    }
+}
+
+sourceSets {
+    main {
+        proto.srcDir("../substrait/proto")
+        resources.srcDir("../substrait/extensions")
+        java.srcDir(file("build/generated/sources/antlr/main/java/"))
+    }
+}
+
+project.configure<IdeaModel> {
+    module {
+        resourceDirs.addAll(listOf(
+            file("../substrait/text"),
+            file("../substrait/extensions"),
+            file("../substrait/proto")
+        ))
+        generatedSourceDirs.addAll(listOf(
+            file("build/generated/sources/antlr/main"),
+            file("build/generated/source/proto/main/java")
+        ))
+    }
+}
+
+tasks.named<AntlrTask>("generateGrammarSource") {
+    arguments.add("-package")
+    arguments.add("io.substrait.type")
+    arguments.add("-visitor")
+    arguments.add("-long-messages")
+    arguments.add("-Xlog")
+    arguments.add("-Werror")
+    arguments.add("-Xexact-output-dir")
+    setSource(fileTree("src/main/antlr/SubstraitType.g4"))
+    outputDirectory = File(buildDir, "generated/sources/antlr/main/java/io/substrait/type")
+}
+
+protobuf {
+    protoc {
+        artifact = "com.google.protobuf:protoc:3.17.3"
+    }
+}