Begin work on Go examples for #14

.gitignore

@@ -16,6 +16,8 @@
 /annotations/out
 /examples/c-simple/bin
 /examples/c-simple/build
+/examples/go-simple/bin
+/examples/go-simple/build
 /examples/rust-simple/Cargo.lock
 /examples/rust-simple/bin
 /examples/rust-simple/build

build.gradle

@@ -99,6 +99,31 @@ project(':examples') {
             }
         }
 
+        // Go example helpers
+
+        task goToWasm {
+            doFirst {
+                mkdir 'build'
+                exec {
+                    def goFileName = fileTree(dir: '.', includes: ['*.go']).files.iterator().next()
+                    environment 'GOOS': 'js', 'GOARCH': 'wasm'
+                    commandLine 'go', 'build', '-o', 'build/lib.wasm', goFileName
+                }
+            }
+        }
+
+        task compileGoWasm(type: JavaExec) {
+            dependsOn goToWasm
+            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', 'build/lib.wasm', wasmCompiledClassName, '-out', outFile, '-log', 'debug'
+            }
+        }
+
         // Rust example helpers
 
         ext.rustBuildRelease = true
@@ -160,6 +185,18 @@ project(':examples:c-simple') {
     mainClassName = 'asmble.examples.csimple.Main'
 }
 
+project(':examples:go-simple') {
+    apply plugin: 'application'
+    ext.wasmCompiledClassName = 'asmble.generated.GoSimple'
+    dependencies {
+        compile files('build/wasm-classes')
+    }
+    compileJava {
+        dependsOn compileGoWasm
+    }
+    mainClassName = 'asmble.examples.gosimple.Main'
+}
+
 project(':examples:rust-regex') {
     apply plugin: 'application'
     apply plugin: 'me.champeau.gradle.jmh'

examples/go-simple/simple.go

@@ -0,0 +1,10 @@
+package main
+
+import (
+	"fmt"
+	"os"
+)
+
+func main() {
+	fmt.Printf("Args: %v", os.Args)
+}

settings.gradle

@@ -2,6 +2,7 @@ rootProject.name = 'asmble'
 include 'annotations',
         'compiler',
         'examples:c-simple',
+        'examples:go-simple',
         'examples:rust-regex',
         'examples:rust-simple',
         'examples:rust-string'