Initial commit

runtime.go

@@ -0,0 +1,60 @@
+package php
+
+import (
+	"io"
+	"os"
+	"unsafe"
+)
+
+// #include <Zend/zend.h>
+// #include "runtime.h"
+import "C"
+
+type ioContext struct {
+	// Output and Error are unbuffered writers used for regular and error output,
+	// respectively. If left unset, any data written into either by the calling
+	// context will be lost.
+	Output io.Writer
+	Error  io.Writer
+}
+
+var currentContext *ioContext = nil
+
+func write(w io.Writer, buffer unsafe.Pointer, length C.uint) C.int {
+	// Do not return error if writer is unavailable.
+	if w == nil {
+		return C.int(length)
+	}
+
+	if written, err := w.Write(C.GoBytes(buffer, C.int(length))); err == nil {
+		return C.int(written)
+	}
+	return -1
+}
+
+//export writeOut
+func writeOut(buffer unsafe.Pointer, length C.uint) C.int {
+	return write(currentContext.Output, buffer, length)
+}
+
+//export writeErr
+func writeErr(buffer unsafe.Pointer, length C.uint) C.int {
+	return write(currentContext.Error, buffer, length)
+}
+
+// Exec - Execute a program in the given context.
+func Exec(ctx *Context, prog *program) Value {
+	var retval C.zval
+
+	// Bit of a hack to change directory and restore it again.
+	if len(ctx.Path) > 0 {
+		origCwd, _ := os.Getwd()
+		defer os.Chdir(origCwd)
+		os.Chdir(ctx.Path)
+	}
+
+	currentContext = &ctx.ioContext
+	C.exec(prog.op_array, &retval)
+	currentContext = nil
+	return zval_to_go(retval)
+}