private void HandleInclude(ref int i)
{
StringBuilder sb = new StringBuilder();
string includeFile;
if (fileContents[++i].Text == "<")
{
//#include <>
i++; //skip first <
while (fileContents[i].Text != ">")
{
sb.Append(fileContents[i++].Text);
}
includeFile = ResolveInclude(sb.ToString(), IncludeDirs.SystemIncludes);
}
else
{
//#include ""
sb.Append(fileContents[i].Text.Replace("\"", String.Empty));
includeFile = ResolveInclude(sb.ToString(), IncludeDirs.LocalIncludes);
}
if (!string.IsNullOrEmpty(includeFile))
{
string includeFileContents = Compiler.TryOpenFile(includeFile);
if (!string.IsNullOrEmpty(includeFileContents))
{
PreprocessorParser newParser = new PreprocessorParser(Tokenizer.Tokenize(includeFileContents));
List <Token> newPreprocess = newParser.Parse();
parsedContent.AddRange(newPreprocess);
}
}
}
static Module DoCompile(string fileContents, OptimizeLevel opLevel = OptimizeLevel.OptimizeNone, PassCount passCount = PassCount.PassAlls)
{
var tokenizerTokens = Tokenizer.Tokenize(fileContents);
var preprocessorParser = new PreprocessorParser(tokenizerTokens);
var preProcessorTokens = preprocessorParser.Parse();
var tokenPassTokens = RunTokenPasses(preProcessorTokens);
var tokens = tokenPassTokens.GetEnumerator();
tokens.MoveNext();
var currentModule = Module.ParseModule(ref tokens);
if (optimizeLevel != OptimizeLevel.OptimizeNone)
{
Optimizer.Loop.Optimizer.RunOptimizer(ref currentModule, optimizeLevel);
}
WriteModule(currentModule, 1);
// Statement passes
if (passCount >= PassCount.Pass2)
{
StatementPasses.BlockCollapse.Run(currentModule);
StatementPasses.IfGotoConversion.Run(currentModule);
StatementPasses.LoopGotoConversion.Run(currentModule);
StatementPasses.ReorderDeclarations.Run(currentModule);
StatementPasses.MarkRecursiveFunctions.Run(currentModule);
}
WriteModule(currentModule, 2);
//if (optimizeLevel != OptimizeLevel.OptimizeNone)
// Optimizer.Optimizer.RunOptimizer(ref currentModule, optimizeLevel);
WriteModule(currentModule, 3);
if (passCount >= PassCount.Pass3)
{
//StatementPasses.ReplaceLocalsWithGlobals.Run(currentModule);
StatementPasses.ApplyCallingConvention.Run(currentModule);
StatementPasses.LabelMerger.Run(currentModule);
StatementPasses.RemovePointlessGotos.Run(currentModule);
// Adjust the arithmetic
StatementPasses.ConvertAddSubToIncDec.Run(currentModule);
StatementPasses.RemoveMathImmediates.Run(currentModule);
StatementPasses.RegisterAllocator.DumbRegisterAllocator.Run(currentModule);
}
currentModule.IntermediateStrings.Add("#include <string.h>");
string code = currentModule.ToString();
var asmCode = AssemblyGenerator.GenerateCode(ref currentModule);
return(currentModule);
}
private void CheckTokenReplace(ref WabbitC.Token token)
{
if (token.Type == TokenType.StringType)
{
PreprocessorDefine define = PreprocessorParser.DefineValue(token);
if (define != null && define is ReplacementDefine)
{
ReplacementDefine replaceDefine = (ReplacementDefine)define;
token = replaceDefine.Value;
CheckTokenReplace(ref token);
}
}
}
private void HandleIfDef(ref int i, bool IsPositive)
{
List <Token> line = GetPreprocessorLine(ref i);
Expression exp = new Expression(line);
var value = new Token();// exp.Eval()[0];
int nesting = 0;
List <Token> conditionalTokens = new List <Token>();
i++;
if ((value.Type != TokenType.UndefinedType && IsPositive) || (value.Type != TokenType.UndefinedType && !IsPositive))
{
for (; i < fileContents.Count; i++)
{
if (fileContents[i].Text == "#if" || fileContents[i].Text == "#ifdef")
{
nesting++;
}
if (fileContents[i].Text == "#elif" || fileContents[i].Text == "#endif" || fileContents[i].Text == "#else")
{
if (nesting > 0)
{
if (fileContents[i].Text == "#endif")
{
nesting--;
}
}
else
{
break;
}
}
conditionalTokens.Add(fileContents[i]);
}
i++;
PreprocessorParser parser = new PreprocessorParser(conditionalTokens);
List <Token> temp = parser.Parse();
parsedContent.AddRange(temp);
}
else
{
bool inCorrectRange = false;
for (; i < fileContents.Count; i++)
{
Token token = fileContents[i];
if (token.Text == "#if" || token.Text == "#ifdef")
{
nesting++;
}
if (token.Text == "#endif")
{
if (nesting > 0)
{
nesting--;
}
else
{
break;
}
}
if (token.Text == "#elif" || token.Text == "#else")
{
if (nesting == 0)
{
if (token.Text == "#else")
{
inCorrectRange = true;
}
else
{
}
}
}
if (inCorrectRange)
{
conditionalTokens.Add(fileContents[i]);
}
}
i++;
PreprocessorParser parser = new PreprocessorParser(conditionalTokens);
List <Token> temp = parser.Parse();
parsedContent.AddRange(temp);
}
}