group 'asmble'
version '0.1.0'

buildscript {
    ext.kotlin_version = '1.2.30'
    ext.asm_version = '5.2'

    repositories {
        mavenCentral()
        maven {
            url "https://plugins.gradle.org/m2/"
        }
    }
    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'me.champeau.gradle:jmh-gradle-plugin:0.4.5'
    }
}

allprojects {
    apply plugin: 'java'

    repositories {
        mavenCentral()
    }
}

project(':compiler') {
    apply plugin: 'kotlin'
    apply plugin: 'application'

    applicationName = "asmble"
    mainClassName = "asmble.cli.MainKt"

    distTar.archiveName = 'asmble.tar'
    distZip.archiveName = 'asmble.zip'

    dependencies {
        compile project(':annotations')
        compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
        compile "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
        compile "org.ow2.asm:asm-tree:$asm_version"
        compile "org.ow2.asm:asm-util:$asm_version"
        testCompile 'junit:junit:4.12'
        testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version"
        testCompile "org.ow2.asm:asm-debug-all:$asm_version"
    }
}

project(':examples') {
    subprojects {
        dependencies {
            compileOnly project(':compiler')
        }

        // C/C++ example helpers

        task cToWasm {
            doFirst {
                mkdir 'build'
                exec {
                    def cFileName = fileTree(dir: 'src', includes: ['*.c']).files.iterator().next()
                    commandLine 'clang', '--target=wasm32-unknown-unknown-wasm', '-O3', cFileName, '-c', '-o', 'build/lib.wasm'
                }
            }   
        }

        task showCWast(type: JavaExec) {
            dependsOn cToWasm
            classpath configurations.compileClasspath
            main = 'asmble.cli.MainKt'
            doFirst {
                args 'translate', 'build/lib.wasm'
            }
        }

        task compileCWasm(type: JavaExec) {
            dependsOn cToWasm
            classpath configurations.compileClasspath
            main = 'asmble.cli.MainKt'
            doFirst {
                def outFile = 'build/wasm-classes/' + wasmCompiledClassName.replace('.', '/') + '.class'
                file(outFile).parentFile.mkdirs()
                args 'compile', 'build/lib.wasm', wasmCompiledClassName, '-out', outFile
            }
        }

        // Rust example helpers

        ext.rustBuildRelease = true

        task rustToWasm(type: Exec) {
            if (rustBuildRelease) {
                commandLine 'cargo', 'build', '--release'
            } else {
                commandLine 'cargo', 'build'
            }
        }

        ext.rustWasmFileName = { ->
            def buildType = rustBuildRelease ? 'release' : 'debug'
            def wasmFiles = fileTree(dir: "target/wasm32-unknown-unknown/$buildType", includes: ['*.wasm']).files
            if (wasmFiles.size() != 1) throw new GradleException('Expected single WASM file, got ' + wasmFiles.size())
            return wasmFiles.iterator().next()
        }

        task rustWasmFile() {
            dependsOn rustToWasm
            doFirst {
                println 'File: ' + rustWasmFileName()
            }
        }

        task showRustWast(type: JavaExec) {
            dependsOn rustToWasm
            classpath configurations.compileClasspath
            main = 'asmble.cli.MainKt'
            doFirst {
                args 'translate', rustWasmFileName()
            }
        }

        task compileRustWasm(type: JavaExec) {
            dependsOn rustToWasm
            classpath configurations.compileClasspath
            main = 'asmble.cli.MainKt'
            doFirst {
                // args 'help', 'compile'
                def outFile = 'build/wasm-classes/' + wasmCompiledClassName.replace('.', '/') + '.class'
                file(outFile).parentFile.mkdirs()
                args 'compile', rustWasmFileName(), wasmCompiledClassName, '-out', outFile
            }
        }
    }
}

project(':examples:c-simple') {
    apply plugin: 'application'
    ext.wasmCompiledClassName = 'asmble.generated.CSimple'
    dependencies {
        compile files('build/wasm-classes')
    }
    compileJava {
        dependsOn compileCWasm
    }
    mainClassName = 'asmble.examples.csimple.Main'
}

project(':examples:rust-regex') {
    apply plugin: 'application'
    apply plugin: 'me.champeau.gradle.jmh'
    ext.wasmCompiledClassName = 'asmble.generated.RustRegex'
    dependencies {
        compile files('build/wasm-classes')
        testCompile 'junit:junit:4.12'
    }
    compileJava {
        dependsOn compileRustWasm
    }
    mainClassName = 'asmble.examples.rustregex.Main'
    test {
        testLogging.showStandardStreams = true
        testLogging.events 'PASSED', 'SKIPPED'
    }
    jmh {
        iterations = 5
        warmupIterations = 5
        fork = 3
    }
}

project(':examples:rust-simple') {
    apply plugin: 'application'
    ext.wasmCompiledClassName = 'asmble.generated.RustSimple'
    dependencies {
        compile files('build/wasm-classes')
    }
    compileJava {
        dependsOn compileRustWasm
    }
    mainClassName = 'asmble.examples.rustsimple.Main'
}

project(':examples:rust-string') {
    apply plugin: 'application'
    ext.wasmCompiledClassName = 'asmble.generated.RustString'
    dependencies {
        compile files('build/wasm-classes')
    }
    compileJava {
        dependsOn compileRustWasm
    }
    mainClassName = 'asmble.examples.ruststring.Main'
}