runtime: print/println

internal/runtime/z_print.go

@@ -0,0 +1,71 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package runtime
+
+import (
+	"unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+func PrintByte(v byte) {
+	c.Fputc(c.Int(v), c.Stderr)
+}
+
+func PrintBool(v bool) {
+	if v {
+		c.Fprintf(c.Stderr, c.Str("true"))
+	} else {
+		c.Fprintf(c.Stderr, c.Str("false"))
+	}
+}
+
+func PrintFloat(v float64) {
+	switch { // TODO(xsw): does c.Fprintf support these special cases?
+	case v != v:
+		c.Fprintf(c.Stderr, c.Str("NaN"))
+		return
+	case v+v == v:
+		if v > 0 {
+			c.Fprintf(c.Stderr, c.Str("+Inf"))
+		} else if v < 0 {
+			c.Fprintf(c.Stderr, c.Str("-Inf"))
+		}
+		return
+	}
+	c.Fprintf(c.Stderr, c.Str("%g"), v)
+}
+
+// func PrintComplex(c complex128) {
+// 	print("(", real(c), imag(c), "i)")
+// }
+
+func PrintUint(v uint64) {
+	c.Fprintf(c.Stderr, c.Str("%llu"), v)
+}
+
+func PrintInt(v int64) {
+	c.Fprintf(c.Stderr, c.Str("%lld"), v)
+}
+
+func PrintHex(v uint64) {
+	c.Fprintf(c.Stderr, c.Str("%llx"), v)
+}
+
+func PrintPointer(p unsafe.Pointer) {
+	c.Fprintf(c.Stderr, c.Str("%p"), p)
+}
+
+func PrintString(s String) {
+	c.Fwrite(s.data, 1, uintptr(s.len), c.Stderr)
+}
+
+func PrintSlice(s Slice) {
+	print("[", s.len, "/", s.cap, "]", s.data)
+}
+
+func PrintIface(i Interface) {
+	print("(", i.tab, ",", i.data, ")")
+}