"Fix" esp8266 UART output by removing virtual functions

include/esp8266/driver/stdout.h

 #ifndef STANDARDOUTPUT_H
 #define STANDANDOUTPUT_H
 
-#include "object/outputstream.h"
-
-class StandardOutput : public OutputStream {
+class StandardOutput {
 	private:
 		StandardOutput(const StandardOutput &copy);
+		char digit_buffer[sizeof(long long) * 8];
+		unsigned char base;
 
 	public:
-		StandardOutput () {}
+		StandardOutput ();
 		void setup();
 
-		virtual void put(char c) override;
-		virtual void write(const char *s) override;
+		void put(char c);
+		void write(const char *s);
+		void flush() {}
+
+		StandardOutput & operator<<(char c);
+		StandardOutput & operator<<(unsigned char c);
+		StandardOutput & operator<<(unsigned short number);
+		StandardOutput & operator<<(short number);
+		StandardOutput & operator<<(unsigned int number);
+		StandardOutput & operator<<(int number);
+		StandardOutput & operator<<(unsigned long number);
+		StandardOutput & operator<<(long number);
+		StandardOutput & operator<<(unsigned long long number);
+		StandardOutput & operator<<(long long number);
+		StandardOutput & operator<<(void *pointer);
+		StandardOutput & operator<<(const char *text);
+		StandardOutput & operator<<(StandardOutput & (*fun) (StandardOutput &));
+
+		void setBase(unsigned char b);
 };
 
+
+// ENDL: new line character (and flush)
+StandardOutput & endl(StandardOutput & os);
+
+// BIN: print numbers in binary form.
+StandardOutput & bin(StandardOutput & os);
+
+// OCT: print numbers in octal form.
+StandardOutput & oct(StandardOutput & os);
+
+// DEC: print numbers in decimal form.
+StandardOutput & dec(StandardOutput & os);
+
+// HEX: print numbers in hexadecimal form.
+StandardOutput & hex(StandardOutput & os);
+
+// FLUSH: flush StandardOutput buffer
+StandardOutput & flush(StandardOutput & os);
+
+// TERM: zero-termination
+StandardOutput & term(StandardOutput & os);
+
 extern StandardOutput kout;
 
 #endif

src/arch/esp8266/driver/stdout.cc

@@ -7,6 +7,196 @@ void uart_div_modify(uint8_t uart_no, uint32 DivLatchValue);
 void os_printf_plus(const char *s, ...);
 }
 
+StandardOutput & StandardOutput::operator<<(unsigned char c)
+{
+	put(c);
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(char c)
+{
+	put(c);
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(unsigned short number)
+{
+	*this << (unsigned long long)number;
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(short number)
+{
+	*this << (long long)number;
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(unsigned int number)
+{
+	*this << (unsigned long long)number;
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(int number)
+{
+	*this << (long long)number;
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(unsigned long number)
+{
+	*this << (unsigned long long)number;
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(long number)
+{
+	*this << (long long)number;
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(unsigned long long number)
+{
+	switch (base) {
+	case 2:
+		put('0');
+		put('b');
+		break;
+	case 8:
+		put('0');
+		break;
+	case 16:
+		put('0');
+		put('x');
+		break;
+	}
+
+	if (number == 0) {
+		put('0');
+		return *this;
+	}
+
+	signed int i = 0;
+	while (number > 0) {
+		if (base == 16 && number % base > 9) {
+			digit_buffer[i] = 'a' + (number % base) - 10;
+		} else {
+			digit_buffer[i] = '0' + (number % base);
+		}
+		number /= base;
+		i++;
+	}
+	i--;
+	for (; i >= 0; i--) {
+		put(digit_buffer[i]);
+	}
+	return *this;
+
+}
+
+StandardOutput & StandardOutput::operator<<(long long number)
+{
+	if (number < 0) {
+		put('-');
+		number *= -1;
+	}
+	*this << (unsigned long long)number;
+
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(void *pointer)
+{
+	unsigned short temp_base = base;
+	*this << hex << (long)pointer;
+	switch (temp_base) {
+	case 2:
+		*this << bin; break;
+	case 8:
+		*this << oct; break;
+	case 10:
+		*this << dec; break;
+	}
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(const char *text)
+{
+	int i = 0;
+	while (text[i] != '\0') {
+		put(text[i++]);
+	}
+	return *this;
+}
+
+StandardOutput & StandardOutput::operator<<(StandardOutput & (*fkt) (StandardOutput &))
+{
+	return fkt(*this);
+}
+
+void StandardOutput::setBase(uint8_t b)
+{
+	if (b == 2 || b == 8 || b == 10 || b == 16) {
+		base = b;
+	}
+}
+
+// FLUSH
+StandardOutput & flush(StandardOutput & os)
+{
+	os.flush();
+	return os;
+}
+
+// ENDL: fuegt einen Zeilenumbruch in die Ausgabe ein.
+StandardOutput & endl(StandardOutput & os)
+{
+	os.put('\n');
+	os.flush();
+	return os;
+}
+
+// BIN: print numbers in binary form
+StandardOutput & bin(StandardOutput & os)
+{
+	os.setBase(2);
+	return os;
+}
+
+// OCT: print numbers in octal form.
+StandardOutput & oct(StandardOutput & os)
+{
+	os.setBase(8);
+	return os;
+}
+
+// DEC: print numbers in decimal form.
+StandardOutput & dec(StandardOutput & os)
+{
+	os.setBase(10);
+	return os;
+}
+
+// HEX: print numbers in hexadecimal form.
+StandardOutput & hex(StandardOutput & os)
+{
+	os.setBase(16);
+	return os;
+}
+
+// TERM: null-termination
+StandardOutput & term(StandardOutput & os)
+{
+	os.put('\0');
+	os.flush();
+	return os;
+}
+
+StandardOutput::StandardOutput()
+{
+	base = 10;
+}
+
 void StandardOutput::setup()
 {
 	uart_div_modify(0, UART_CLK_FREQ / 115200);

src/os/main.cc

@@ -98,6 +98,7 @@ int main(void)
 
 	gpio.led_on(0);
 	kout << "Hello, World!" << endl;
+	kout << "Test, World!" << endl;
 
 	arch.idle_loop();