Merge branch 'master' of https://github.com/wa-lang/wa

_examples/arduino/app.wa

 # 版权 @2022 凹语言 作者。保留所有权利。
 
-import "arduino"
+import "syscall/arduino"
 
 fn init() {
 	arduino.PinMode(LED, 1)

internal/waroot/_waroot/src/arduino/arduino.wa → internal/waroot/_waroot/src/syscall/arduino/arduino.wa

@@ -9,32 +9,32 @@ const (
 	INPUT_PULLUP = 2
 )
 
-#wa:wasm-module arduino
-#wa:linkname millis
+#wa:import arduino millis
+#wa:linkname $waMillis
 fn Millis() => uint
 
-#wa:wasm-module arduino
-#wa:linkname delay
+#wa:import arduino delay
+#wa:linkname $waDelay
 fn Delay(ms: uint)
 
-#wa:wasm-module arduino
-#wa:linkname pinMode
+#wa:import arduino pinMode
+#wa:linkname $waPinMode
 fn PinMode(pin, mode: uint)
 
-#wa:wasm-module arduino
-#wa:linkname digitalWrite
+#wa:import arduino digitalWrite
+#wa:linkname $waDigitalWrite
 fn DigitalWrite(pin, value: uint)
 
-#wa:wasm-module arduino
-#wa:linkname getPinLED
+#wa:import arduino getPinLED
+#wa:linkname $waGetPinLED
 fn GetPinLED() => uint
 
-#wa:wasm-module arduino
-#wa:linkname print
+#wa:import arduino print
+#wa:linkname $waPrint
 fn Print(s: string)
 
-#wa:wasm-module arduino
-#wa:linkname getGreeting
+#wa:import arduino getGreeting
+#wa:linkname $waGetGreeting
 fn _getGreeting(buf: *byte, maxlen: uint)
 
 fn Println(s: string) {
@@ -55,3 +55,18 @@ fn GetGreeting() => string {
 	}
 	return string(buf[:n+1])
 }
+
+#wa:linkname $waPrintI32
+fn waPrintI32(i: i32) {
+	# TODO
+}
+
+#wa:linkname $waPrintRune
+fn waPrintRune(ch: i32) {
+	# TODO
+}
+
+#wa:linkname $waPuts
+fn waPuts(ptr: i32, len: i32) {
+	# TODO
+}

internal/waroot/_waroot/src/syscall/wasi/wasi.wa

+# 版权 @2022 凹语言 作者。保留所有权利。
+
+type iov_t struct {
+	iov_base :i32
+	iov_len  :i32
+}
+
+#wa:import wasi_snapshot_preview1 fd_write
+#wa:linkname $$FdWrite
+fn waFdWrite(fd: i32, io: *iov_t, iovs_len: i32, nwritten: *i32) => (written: i32)