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// Shave and a Haircut
// (c) 2019 Epic Games
// US Patent 6720962
#ifdef _DEBUG
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <maya/MGlobal.h>
#include <maya/MString.h>
#if defined(OSMac_) && !defined(OSMac_MachO_)
#include "shaveMacCarbon.h"
#endif
#include "shaveDebug.h"
bool shaveDebug::mInitialized = false;
FILE* shaveDebug::mLogFile = NULL;
MStringArray shaveDebug::mStack;
unsigned int shaveDebug::mStackDepth = 0;
void shaveDebug::enter(
MString method, unsigned int lineNumber, const char* file
)
{
init();
if (mLogFile)
{
outputHeader("ENTER", method, lineNumber, file);
fputc('\n', mLogFile);
fflush(mLogFile);
if (mStackDepth < mStack.length())
mStack[mStackDepth] = method;
else
mStack.append(method);
}
mStackDepth++;
}
void shaveDebug::indent()
{
init();
if (mLogFile)
{
unsigned int i;
for (i = 0; i < mStackDepth; i++)
fputs(" ", mLogFile);
fflush(mLogFile);
}
}
void shaveDebug::init()
{
if (!mInitialized)
{
const char* logFilePath;
mInitialized = true;
#if defined(OSMac_) && !defined(OSMac_MachO_)
MString temp;
MGlobal::executeCommand("getenv SHAVE_DEBUG_LOG", temp);
temp = shaveMacCarbon::makeMacFilename(temp);
logFilePath = temp.asChar();
#else
logFilePath = getenv("SHAVE_DEBUG_LOG");
#endif
if (logFilePath)
mLogFile = fopen(logFilePath, "w");
}
}
void shaveDebug::leave(
MString method, unsigned int lineNumber, const char* file
)
{
bool unbalanced = (mStackDepth == 0);
init();
if (mStackDepth > 0) mStackDepth--;
if (mLogFile)
{
if (!unbalanced && (method != mStack[mStackDepth]))
fprintf(mLogFile, "ERROR: enter/leave method mismatch!\n");
outputHeader("LEAVE", method, lineNumber, file);
fputc('\n', mLogFile);
if (unbalanced)
{
fprintf(
mLogFile, "ERROR: leaving more levels than were entered!\n"
);
}
fflush(mLogFile);
}
}
void shaveDebug::logMsg(
MString msg, unsigned int lineNumber, const char* file
)
{
init();
if (mLogFile)
{
MString method = "???";
if ((mStackDepth > 0) && (mStackDepth <= mStack.length()))
method = mStack[mStackDepth - 1];
outputHeader("INFO", method, lineNumber, file);
fprintf(mLogFile, "%s\n", msg.asChar());
fflush(mLogFile);
}
}
void shaveDebug::outputHeader(
const char* tag,
MString method,
unsigned int lineNumber,
const char* file
)
{
indent();
//
// Get rid of the directory path from the filename.
//
#ifdef _WIN32
const char* nameOnly = strrchr(file, '\\');
#else
#ifdef OSMac_
const char* nameOnly = strrchr(file, '/');
#else
const char* nameOnly = rindex(file, '/');
#endif
#endif
if (nameOnly == NULL)
nameOnly = file;
else
nameOnly++;
fprintf(
mLogFile,
"%s [%s, %s:%d]: ",
tag,
method.asChar(),
nameOnly,
lineNumber
);
}
#endif
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