Initial import from TransGaming
git-svn-id: https://angleproject.googlecode.com/svn/trunk@2 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/Compiler/InfoSink.h b/Compiler/InfoSink.h
new file mode 100644
index 0000000..525a378
--- /dev/null
+++ b/Compiler/InfoSink.h
@@ -0,0 +1,109 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef _INFOSINK_INCLUDED_
+#define _INFOSINK_INCLUDED_
+
+#include "Common.h"
+#include <math.h>
+
+//
+// TPrefixType is used to centralize how info log messages start.
+// See below.
+//
+enum TPrefixType {
+ EPrefixNone,
+ EPrefixWarning,
+ EPrefixError,
+ EPrefixInternalError,
+ EPrefixUnimplemented,
+ EPrefixNote
+};
+
+enum TOutputStream {
+ ENull = 0,
+ EDebugger = 0x01,
+ EStdOut = 0x02,
+ EString = 0x04,
+};
+//
+// Encapsulate info logs for all objects that have them.
+//
+// The methods are a general set of tools for getting a variety of
+// messages and types inserted into the log.
+//
+class TInfoSinkBase {
+public:
+ TInfoSinkBase() : outputStream(4) {}
+ void erase() { sink.erase(); }
+ TInfoSinkBase& operator<<(const TPersistString& t) { append(t); return *this; }
+ TInfoSinkBase& operator<<(char c) { append(1, c); return *this; }
+ TInfoSinkBase& operator<<(const char* s) { append(s); return *this; }
+ TInfoSinkBase& operator<<(int n) { append(String(n)); return *this; }
+ TInfoSinkBase& operator<<(const unsigned int n) { append(String(n)); return *this; }
+ TInfoSinkBase& operator<<(float n) { char buf[40];
+ sprintf(buf, "%.8g", n);
+ append(buf);
+ return *this; }
+ TInfoSinkBase& operator+(const TPersistString& t) { append(t); return *this; }
+ TInfoSinkBase& operator+(const TString& t) { append(t); return *this; }
+ TInfoSinkBase& operator<<(const TString& t) { append(t); return *this; }
+ TInfoSinkBase& operator+(const char* s) { append(s); return *this; }
+ const char* c_str() const { return sink.c_str(); }
+ void prefix(TPrefixType message) {
+ switch(message) {
+ case EPrefixNone: break;
+ case EPrefixWarning: append("WARNING: "); break;
+ case EPrefixError: append("ERROR: "); break;
+ case EPrefixInternalError: append("INTERNAL ERROR: "); break;
+ case EPrefixUnimplemented: append("UNIMPLEMENTED: "); break;
+ case EPrefixNote: append("NOTE: "); break;
+ default: append("UNKOWN ERROR: "); break;
+ }
+ }
+ void location(TSourceLoc loc) {
+ append(FormatSourceLoc(loc).c_str());
+ append(": ");
+ }
+ void message(TPrefixType message, const char* s) {
+ prefix(message);
+ append(s);
+ append("\n");
+ }
+ void message(TPrefixType message, const char* s, TSourceLoc loc) {
+ prefix(message);
+ location(loc);
+ append(s);
+ append("\n");
+ }
+
+ void setOutputStream(int output = 4)
+ {
+ outputStream = output;
+ }
+
+protected:
+ void append(const char *s);
+
+ void append(int count, char c);
+ void append(const TPersistString& t);
+ void append(const TString& t);
+
+ void checkMem(size_t growth) { if (sink.capacity() < sink.size() + growth + 2)
+ sink.reserve(sink.capacity() + sink.capacity() / 2); }
+ void appendToStream(const char* s);
+ TPersistString sink;
+ int outputStream;
+};
+
+class TInfoSink {
+public:
+ TInfoSinkBase info;
+ TInfoSinkBase debug;
+ TInfoSinkBase obj;
+};
+
+#endif // _INFOSINK_INCLUDED_