Reorganized sources a bit:

* Context got its own source and header files.
* Syscall::GetSyscall() had little to do with the Syscall class itself;
  it's get_syscall() now.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20424 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/bin/strace/Context.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2007, Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ * 		Hugo Santos <[email protected]>
+ * 		Ingo Weinhold <[email protected]>
+ */
+#ifndef STRACE_CONTEXT_H
+#define STRACE_CONTEXT_H
+
+#include "Syscall.h"
+
+class Context {
+public:
+	enum {
+		STRINGS		= 1 << 0,
+		ENUMERATIONS	= 1 << 1,
+		SIMPLE_STRUCTS	= 1 << 2,
+		COMPLEX_STRUCTS	= 1 << 3,
+		ALL		= 0xffffffff
+	};
+
+	Context(Syscall *sc, char *data, MemoryReader &reader,
+		uint32 flags, bool decimal)
+		: fSyscall(sc), fData(data), fReader(reader),
+		  fFlags(flags), fDecimal(decimal) {}
+
+	Parameter *GetSibling(int32 index) const {
+		return fSyscall->ParameterAt(index);
+	}
+
+	const void *GetValue(Parameter *param) const {
+		return fData + param->Offset();
+	}
+
+	MemoryReader &Reader() { return fReader; }
+	bool GetContents(uint32 what) const { return fFlags & what; }
+
+	string FormatSigned(int64 value, const char *modifier = "ll") const;
+	string FormatUnsigned(uint64 value) const;
+	string FormatFlags(uint64 value) const;
+
+private:
+	Syscall *fSyscall;
+	char *fData;
+	MemoryReader &fReader;
+	uint32 fFlags;
+	bool fDecimal;
+};
+
+#endif	// STRACE_CONTEXT_H