public FileParser(Project p, string f)
{
_project = p;
this.filename = f;
this.fullFilename = Project.BaseDirectory + f;
log.Info("Began parsing \"" + Filename + "\".");
// Made-up label for the start of the file
Label l = new Label(this, Basename + "_start");
l.Fake = true;
InsertComponentAfter(null, l);
string[] lines = File.ReadAllLines(FullFilename);
for (int i=0; i<lines.Length; i++) {
ParseLine(lines[i], i, fileStructure, fileStructureComments);
}
context = "";
Modified = false;
log.Info("Finished parsing \"" + Filename + "\".");
}
public static void RemoveHighIndex(int hIndex)
{
if (hIndex >= GetNumHighIndices())
{
return;
}
Data data = GetHighIndexDataBase(hIndex);
FileParser parser = data.FileParser;
string pointerString = "";
int n = 4;
if (HighIndexUsesPointer(hIndex))
{
pointerString = data.NextData.GetValue(0);
n = 3;
}
for (int i = 0; i < n; i++)
{
Data d2 = data;
data = data.NextData;
parser.RemoveFileComponent(d2);
}
if (pointerString != "")
{
data = parser.GetData(pointerString);
LynnaLab.Label l = parser.GetDataLabel(data);
parser.RemoveFileComponent(l);
do
{
Data d2 = data;
data = data.NextData;
parser.RemoveFileComponent(d2);
}while (data != null && parser.GetDataLabel(data) == null);
}
}
// Adds the given data to the end of the group and inserts the data
// into the FileParser.
public void AddWarpSourceData(WarpSourceData data)
{
if (warpSourceDataList.Contains(data))
return;
// Assumes the last element of warpSourceDataList is always the
// m_WarpSourcesEnd command
fileParser.InsertComponentBefore(EndData, data);
warpSourceDataList.Insert(warpSourceDataList.Count-1, data);
if (data.WarpSourceType == WarpSourceType.PointerWarp && data.PointerString == ".") {
// Create a unique pointer after m_WarpSourcesEnd
int nameIndex = 0;
string name;
do {
name = "customWarpSource" + nameIndex.ToString("d2");
nameIndex++;
}
while (Project.HasLabel(name));
data.PointerString = name;
Label newLabel = new Label(FileParser, name);
// Insert label after m_WarpSourcesEnd
FileParser.InsertComponentAfter(EndData, newLabel);
// Create a blank PointedData to go after this label
WarpSourceData pointedData = new WarpSourceData(Project,
WarpSourceData.WarpCommands[(int)WarpSourceType.PointedWarp],
WarpSourceData.DefaultValues[(int)WarpSourceType.PointedWarp],
FileParser,
new List<int>{-1});
pointedData.Opcode = 0x80;
pointedData.Transition = 4;
FileParser.InsertComponentAfter(newLabel, pointedData);
}
}
void ParseLine(string pureLine, int i, List<FileComponent> fileStructure, List<string> fileStructureComments)
{
string[] split = pureLine.Split(';');
string line = split[0];
string comment = pureLine.Substring(split[0].Length);
string warningString = "WARNING while parsing \"" + Filename + "\": Line " + (i+1) + ": ";
// Helper functions
Action<FileComponent,string> AddComponent = (component, c) => {
fileStructure.Add(component);
fileStructureComments.Add(c);
if (component is Label)
AddLabelToDictionaries(component as Label);
};
Action<Label> AddLabelAndPopFileStructure = (label) => {
fileStructure.RemoveAt(fileStructure.Count-1);
string c = fileStructureComments[fileStructureComments.Count-1];
fileStructureComments.RemoveAt(fileStructureComments.Count-1);
AddComponent(label, c);
};
Action<Data> AddDataAndPopFileStructure = (data) => {
fileStructure.RemoveAt(fileStructure.Count-1);
string c = fileStructureComments[fileStructureComments.Count-1];
fileStructureComments.RemoveAt(fileStructureComments.Count-1);
AddComponent(data, c);
};
Action PopFileStructure = () => {
fileStructure.RemoveAt(fileStructure.Count-1);
fileStructureComments.RemoveAt(fileStructureComments.Count-1);
};
// Sub-function: returns true if a meaning for the token was found.
Func<string[],IList<int>,bool> ParseData = (fTokens,fSpacing) =>
{
List<string> standardValues = new List<string>();
// Variables used for some of the goto's
int size=-1;
for (int j = 1; j < fTokens.Length; j++)
standardValues.Add(fTokens[j]);
switch (fTokens[0].ToLower()) {
case ".incbin":
{
Data d = new Data(Project, fTokens[0], standardValues, -1,
this, fSpacing);
AddDataAndPopFileStructure(d);
}
break;
case ".dw":
if (context == "RAMSECTION")
break;
if (fTokens.Length < 2) {
log.Warn(warningString + "Expected .DW to have a value.");
break;
}
size = 2;
goto arbitraryLengthData;
case ".db":
if (context == "RAMSECTION")
break;
if (fTokens.Length < 2) {
log.Warn(warningString + "Expected .DB to have a value.");
break;
}
size = 1;
goto arbitraryLengthData;
case "dwbe":
if (fTokens.Length < 2) {
log.Warn(warningString + "Expected dwbe to have a value.");
break;
}
size = 2;
goto arbitraryLengthData;
case "dbrev":
if (fTokens.Length < 2) {
log.Warn(warningString + "Expected dbrev to have a value.");
break;
}
size = 1;
goto arbitraryLengthData;
arbitraryLengthData:
PopFileStructure();
for (int j=1; j<fTokens.Length; j++) { // Each value is added as individual data
string[] values = { fTokens[j] };
List<int> newfSpacing = new List<int> {fSpacing[0],fSpacing[j],0};
if (j == fTokens.Length-1)
newfSpacing[2] = fSpacing[j+1];
Data d = new Data(Project, fTokens[0], values, size,
this, newfSpacing);
if (j != fTokens.Length-1)
d.EndsLine = false;
if (j != 1)
d.PrintCommand = false;
AddComponent(d, "");
}
break;
case "db":
if (context != "RAMSECTION")
goto default;
address++;
break;
case "dw":
if (context != "RAMSECTION")
goto default;
address+=2;
break;
case "dsb":
if (context != "RAMSECTION")
goto default;
address += Project.EvalToInt(fTokens[1]);
break;
case "dsw":
if (context != "RAMSECTION")
goto default;
address += Project.EvalToInt(fTokens[1])*2;
break;
case "m_animationloop":
{
Data d = new Data(Project, fTokens[0], standardValues, 2,
this, fSpacing);
AddDataAndPopFileStructure(d);
break;
}
case "m_rgb16":
if (fTokens.Length != 4) {
log.Warn(warningString + "Expected " + fTokens[0] + " to take 3 parameters");
break;
}
{
Data d = new RgbData(Project, fTokens[0], standardValues,
this, fSpacing);
AddDataAndPopFileStructure(d);
break;
}
case "m_gfxheader":
case "m_gfxheaderforcemode":
if (fTokens.Length < 4 || fTokens.Length > 5) {
log.Warn(warningString + "Expected " + fTokens[0] + " to take 3-4 parameters");
break;
}
{
Data d = new GfxHeaderData(Project, fTokens[0], standardValues,
this, fSpacing);
AddDataAndPopFileStructure(d);
break;
}
case "m_paletteheaderbg":
case "m_paletteheaderspr":
if (fTokens.Length != 5) {
log.Warn(warningString + "Expected " + fTokens[0] + " to take 4 parameters");
break;
}
{
Data d = new PaletteHeaderData(Project, fTokens[0], standardValues,
this, fSpacing);
AddDataAndPopFileStructure(d);
break;
}
case "m_tilesetheader":
if (fTokens.Length != 6) {
log.Warn(warningString + "Expected " + fTokens[0] + " to take 5 parameters");
break;
}
{
Data d = new TilesetHeaderData(Project, fTokens[0], standardValues,
this, fSpacing);
AddDataAndPopFileStructure(d);
break;
}
case "m_tilesetdata":
if (fTokens.Length != 2) {
log.Warn(warningString + "Expected " + fTokens[0] + " to take 1 parameter");
break;
}
{
Stream file = Project.GetBinaryFile("tilesets/" + fTokens[1] + ".bin");
Data d = new Data(Project, fTokens[0], standardValues,
(Int32)file.Length, this, fSpacing);
AddDataAndPopFileStructure(d);
break;
}
case "m_roomlayoutdata":
if (fTokens.Length != 2) {
log.Warn(warningString + "Expected " + fTokens[0] + " to take 1 parameter");
break;
}
{
Label l = new Label(this, fTokens[1]);
l.Fake = true;
AddLabelAndPopFileStructure(l);
Data d = new Data(Project, fTokens[0], standardValues, -1,
this, fSpacing);
AddComponent(d, "");
break;
}
default:
{
Data d = null;
// Try object commands
for (int j=0; j<ObjectGroup.ObjectCommands.Length; j++) {
string s = ObjectGroup.ObjectCommands[j];
if (s.ToLower() == fTokens[0].ToLower()) {
int minParams = ObjectGroup.ObjectCommandMinParams[j];
int maxParams = ObjectGroup.ObjectCommandMaxParams[j];
if (minParams == -1) minParams = maxParams;
if (maxParams == -1) maxParams = minParams;
if (fTokens.Length-1 < minParams || fTokens.Length-1 > maxParams) {
log.Warn(warningString + "Expected " + fTokens[0] + " to take " +
minParams + "-" + maxParams + "parameter(s)");
break;
}
var objectType = (ObjectType)j;
d = new ObjectData(Project, fTokens[0], standardValues,
this, fSpacing, objectType);
break;
}
}
// Try warp sources
foreach (string s in WarpSourceData.WarpCommands) {
if (s.ToLower() == fTokens[0].ToLower()) {
d = new WarpSourceData(Project, fTokens[0], standardValues,
this, fSpacing);
}
}
// Try warp dest
if (WarpDestData.WarpCommand.ToLower() == fTokens[0].ToLower()) {
d = new WarpDestData(Project, fTokens[0], standardValues,
this, fSpacing);
}
if (d != null) {
AddDataAndPopFileStructure(d);
break;
}
return false;
}
}
return true;
};
// Add raw string to file structure, it'll be removed if
// a better representation is found
fileStructure.Add(new StringFileComponent(this, line, null));
fileStructureComments.Add(comment);
if (line.Trim().Length == 0)
return;
// TODO: split tokens more intelligently, ie: recognize this as one token: $8000 | $03
//string[] tokens = line.Split(new char[] { ' ', '\t'} );
string[] tokens = Regex.Split(line.Trim(), @"\s+");
List<int> spacing = new List<int>();
int[] tokenStartIndices = new int[tokens.Length];
{
// Generate "spacing" list, keeps track of whitespace
// between arguments (+'ve = spaces, -'ve = tabs)
int index = 0;
for (int j=0; j<tokens.Length+1; j++) {
int spaces=0;
while (index < line.Length && (line[index] == ' ' || line[index] == '\t')) {
if (line[index] == ' ' && spaces >= 0) spaces++;
else if (line[index] == '\t' && spaces <= 0) spaces--;
index++;
}
if (j<tokens.Length)
tokenStartIndices[j] = index;
spacing.Add(spaces);
while (index < line.Length && line[index] != ' ' && line[index] != '\t')
index++;
}
}
string value;
if (tokens.Length > 0) {
switch (tokens[0].ToLower()) {
// Built-in directives
case ".ramsection":
{
context = "RAMSECTION";
// Find the last token which specifies the name
int tokenIndex = 1;
while (tokens[tokenIndex][tokens[tokenIndex].Length-1] != '"')
tokenIndex++;
tokenIndex++;
while (tokenIndex < tokens.Length) {
if (tokens[tokenIndex] == "BANK") {
tokenIndex++;
bank = Project.EvalToInt(tokens[tokenIndex++]);
}
else if (tokens[tokenIndex] == "SLOT") {
tokenIndex++;
string slotString = tokens[tokenIndex++];
int slot = Project.EvalToInt(slotString);
if (slot == 2)
address = 0xc000;
else { // Assuming slot >= 3
address = 0xd000;
}
}
}
break;
}
case ".ends":
if (context == "RAMSECTION")
context = "";
break;
case ".define":
if (tokens.Length < 3) {
log.Debug(warningString + "Expected .DEFINE to have a string and a value.");
break;
}
value = "";
for (int j = 2; j < tokens.Length; j++) {
value += tokens[j];
value += " ";
}
value = value.Trim();
AddDefinition(tokens[1], value);
break;
default:
if (tokens[0][tokens[0].Length - 1] == ':') {
// Label
string s = tokens[0].Substring(0, tokens[0].Length - 1);
FileComponent addedComponent;
if (context == "RAMSECTION") {
AddDefinition(s, address.ToString());
AddDefinition(":"+s, bank.ToString());
PopFileStructure();
StringFileComponent sc = new StringFileComponent(this, tokens[0], spacing);
fileStructure.Add(sc);
fileStructureComments.Add(comment);
addedComponent = sc;
}
else {
Label label = new Label(this,s,spacing);
AddLabelAndPopFileStructure(label);
addedComponent = label;
}
if (tokens.Length > 1) { // There may be data directly after the label
string[] tokens2 = new string[tokens.Length-1];
List<int> spacing2 = new List<int>();
addedComponent.EndsLine = false;
// Add raw string to file structure, it'll
// be removed if a better representation is
// found
fileStructure.Add(new StringFileComponent(
this, line.Substring(tokenStartIndices[1]), spacing2));
fileStructureComments.Add(comment);
for (int j=1; j<tokens.Length; j++)
tokens2[j-1] = tokens[j];
for (int j=1; j<spacing.Count; j++)
spacing2.Add(spacing[j]);
if (!ParseData(tokens2, spacing2)) {
log.Debug(warningString + "Error parsing line.");
}
}
} else {
if (!ParseData(tokens, spacing)) {
// Unknown data
log.Debug(warningString + "Did not understand \"" + tokens[0] + "\".");
}
}
break;
}
}
}
void AddLabelToDictionaries(Label label)
{
labelDictionary.Add(label.Name, label);
Project.AddLabel(label.Name, this);
}