diff options
Diffstat (limited to 'music/pokeredmusicdisasm/Parser.cpp')
| -rw-r--r-- | music/pokeredmusicdisasm/Parser.cpp | 186 |
1 files changed, 120 insertions, 66 deletions
diff --git a/music/pokeredmusicdisasm/Parser.cpp b/music/pokeredmusicdisasm/Parser.cpp index 9fa0af7f..4878ee10 100644 --- a/music/pokeredmusicdisasm/Parser.cpp +++ b/music/pokeredmusicdisasm/Parser.cpp @@ -18,6 +18,7 @@ Parser::Parser(std::string filename) fileLength = 0;
filePos = 0;
stop = false;
+ stopAddress = 0;
SetFilename(filename);
}
@@ -87,6 +88,8 @@ void Parser::Read() // Read filedata
tmpFile.read(rawBytes, fileLength);
tmpFile.close();
+
+ rawBytesFixed = (unsigned char*)rawBytes;
}
// Code Operations
@@ -96,114 +99,165 @@ void Parser::Parse(unsigned int offset) ParseNext();
}
+template<class T>
+bool Parser::ParseData(unsigned int& pos, bool reado)
+{
+ // Create the class to use if correct and a dummy class for validating
+ T* tmpC = 0;
+ T dummy;
+
+ // If the bytes are this data type then create and save it
+ if(dummy.IsValid(&rawBytesFixed[pos]))
+ {
+ // Ensure this whole opperation isn't read-only (just peeking)
+ if(!reado)
+ {
+ // Initialize the class
+ tmpC = new T(&rawBytesFixed[pos]);
+
+ // Push it onto the stack and it's assembly generation onto the output class
+ parsedBytes.push_back(tmpC); //
+ parsedString.push_back(tmpC->GenAsm());
+
+ // If the class had any arguments, increment the counter that much forward
+ pos += tmpC->Arguments();
+ }
+ return true; // Let the code know this class was valid
+ }
+
+ return false; // Let the code know this class wasn't valid
+}
+
void Parser::ParseNext() // Parses the block immidiately following
{
stringstream tmpStr;
- unsigned char* rawBytesFixed = (unsigned char*)rawBytes;
stop = false;
// Smart generation
- bool indent = false;
- bool firstNonNote = false; // First byte wasn't a note or octacve switch, add ";Setup" comment
- bool firstNote = false; // First note or octave
+ bool firstNonNote = false; // (unused so far)First byte wasn't a note or octacve switch, add ";Setup" comment
+ bool firstNote = false; // (unused so far) First note or octave
+ unsigned char lDataType = DATA_NA;
stringstream pos;
pos << "; " << hex << uppercase << (unsigned int)filePos;
parsedString.push_back(pos.str());
+ unsigned int count = 1; // Counter for processed instructions
for(unsigned int i = filePos; (i <= fileLength) && (stop == false); i++)
{
- // There's a way to make this block shorter but for now it does it's job
-
- // Check to see if it's the correct data type and if so then use it
- if(tmpCall.IsValid(&rawBytesFixed[i])) // Should have made IsValid static
+ // First peek to see what kind of data it is, then perform any pre and post setup
+ if(ParseData<Call>(i, true))
{
- // Call data type
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
- // Create data type then move the increment pointer further up as needed
- parsedBytes.push_back(new Call(&rawBytesFixed[i]));
- parsedString.push_back(parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpCall.Arguments(); // should have made Arguments static
+ ParseData<Call>(i);
+ lDataType = DATA_CALL;
+ }
+ else if(ParseData<Duty>(i, true))
+ {
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
- Call* _tmp = (Call*)parsedBytes[parsedBytes.size() - 1];
+ ParseData<Duty>(i);
+ lDataType = DATA_DUTY;
}
- else if(tmpDuty.IsValid(&rawBytesFixed[i]))
+ else if(ParseData<Jump>(i, true))
{
- // Duty data type
- parsedBytes.push_back(new Duty(&rawBytesFixed[i]));
- parsedString.push_back(parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpDuty.Arguments();
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
+
+ ParseData<Jump>(i);
+ lDataType = DATA_JUMP;
}
- else if(tmpJump.IsValid(&rawBytesFixed[i]))
+ else if(ParseData<Modulation>(i, true))
{
- // Jump data type
- parsedBytes.push_back(new Jump(&rawBytesFixed[i]));
- parsedString.push_back(parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpJump.Arguments();
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
- Jump* _tmp = (Jump*)parsedBytes[parsedBytes.size() - 1];
+ ParseData<Modulation>(i);
+ lDataType = DATA_MODULATION;
}
- else if(tmpModulation.IsValid(&rawBytesFixed[i]))
+ else if(ParseData<Note>(i, true))
{
- // Modulation data type
- parsedBytes.push_back(new Modulation(&rawBytesFixed[i]));
- parsedString.push_back(parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpModulation.Arguments();
+ // Insert a newline after certain types
+ if((lDataType == DATA_UNKCODE) ||
+ (lDataType == DATA_UNKEB)) parsedString.push_back("\n");
+
+ // If the previous item was a rest note then insert a new line
+ else if(lDataType == DATA_NOTE)
+ {
+ Note* _tmpNote = (Note*)parsedBytes[parsedBytes.size() - 1];
+ if(_tmpNote->GetPitch() == _tmpNote->noteRst) parsedString.push_back("\n");
+ }
+
+ ParseData<Note>(i);
+
+ // Further indent each note
+ parsedString[parsedString.size() - 1] = "\t" + parsedString[parsedString.size() - 1];
+ lDataType = DATA_NOTE;
}
- else if(tmpNote.IsValid(&rawBytesFixed[i]))
+ else if(ParseData<Octave>(i, true))
{
- // Note data type
- parsedBytes.push_back(new Note(&rawBytesFixed[i]));
- parsedString.push_back(parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpNote.Arguments();
+ // Insert new-line if previous line isn't a newline
+ if(parsedString[parsedString.size() - 1] != "\n") parsedString.push_back("\n");
+
+ ParseData<Octave>(i);
+ lDataType = DATA_OCTAVE;
}
- else if(tmpOctave.IsValid(&rawBytesFixed[i]))
+ else if(ParseData<Tempo>(i, true))
{
- // Octave data type
- parsedBytes.push_back(new Octave(&rawBytesFixed[i]));
- parsedString.push_back("\n" + parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpOctave.Arguments();
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
+
+ ParseData<Tempo>(i);
+ lDataType = DATA_TEMPO;
}
- else if(tmpStop.IsValid(&rawBytesFixed[i]))
+ else if(ParseData<Velocity>(i, true))
{
- // Stop data type
- parsedBytes.push_back(new Stop(&rawBytesFixed[i]));
- parsedString.push_back(parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpStop.Arguments();
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
- stop = true; // Stop all further processing, we've reached the end of the song
+ ParseData<Velocity>(i);
+ lDataType = DATA_VELOCITY;
}
- else if(tmpTempo.IsValid(&rawBytesFixed[i]))
+ else if(ParseData<Volume>(i, true))
{
- // Tempo data type
- parsedBytes.push_back(new Tempo(&rawBytesFixed[i]));
- parsedString.push_back(parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpTempo.Arguments();
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
+
+ ParseData<Volume>(i);
+ lDataType = DATA_VOLUME;
}
- else if(tmpVelocity.IsValid(&rawBytesFixed[i]))
+ else if(ParseData<UnkEB>(i, true)) // The opcode is 0xEB which is unknown and takes a 1-byte argument
{
- // Velocity data type
- parsedBytes.push_back(new Velocity(&rawBytesFixed[i]));
- parsedString.push_back(parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpVelocity.Arguments();
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
+
+ ParseData<UnkEB>(i);
+ lDataType = DATA_UNKEB;
}
- else if(tmpVolume.IsValid(&rawBytesFixed[i]))
+ else if(ParseData<Stop>(i, true))
{
- // Volume data type
- parsedBytes.push_back(new Volume(&rawBytesFixed[i]));
- parsedString.push_back(parsedBytes[parsedBytes.size() - 1]->GenAsm());
- i += tmpVolume.Arguments();
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
+
+ ParseData<Stop>(i);
+ stop = true; // Raise the stop flag informing the parser to stop
+ lDataType = DATA_STOP;
}
else
{
- // Unknown code
- stringstream unkCode;
- short tmpByte = (short)rawBytesFixed[i];
- unkCode << "db $" << hex << uppercase << (short)rawBytesFixed[i];
- parsedString.push_back(unkCode.str());
+ if(lDataType == DATA_NOTE) parsedString.push_back("\n"); // Insert a newline after notes
+
+ ParseData<UnkCode>(i); // The opcode is unknown - process the raw byte and move on
+ lDataType = DATA_UNKCODE;
+ }
+
+ // Put everything tabbed over at least 1 time to fix some weird RGBDS bug by pre-pending a tab character
+ parsedString[parsedString.size() - 1] = "\t" + parsedString[parsedString.size() - 1];
+
+ // Append File Position in hexidecimal at end of line every 5 instructions
+ if((count % 5) == 0)
+ {
+ stringstream _tmpCount;
+ _tmpCount << hex << uppercase << i;
+ parsedString[parsedString.size() - 1] = parsedString[parsedString.size() - 1] + "; " + _tmpCount.str();
}
filePos = i;
+ count++;
// If the stop address parameter is set, break when we get there
if( (stopAddress != 0) && (i >= stopAddress) ) break;
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