// Construct a FunctionInfo object. parent should be the info object
// for the enclosing function, or null if we are the root program.
// nameInParent should be the function name, or null for functions that
// are defined in an expression (even if the function is named in the
// expression, since such names don't create an entry in the parent's
// scope). nameInParent should also be null for the root function.
//
// If parent is not null, we add ourselves to its children list.
public FunctionInfo(ProgramInfo program, FunctionInfo parent, string nameInParent)
{
program_ = program;
parent_ = parent;
firstChild_ = null;
lastChild_ = null;
nextSib_ = null;
childScan_ = null;
nameInParent_ = nameInParent;
callsEval_ = false;
usesArgs_ = false;
params_ = new StringCollection();
locals_ = new StringCollection();
// Register ourselves in our parent scope.
if (parent != null)
{
if (parent.firstChild_ == null)
{
Trace.Assert(parent.lastChild_ == null);
parent.firstChild_ = this;
parent.childScan_ = this;
parent.lastChild_ = this;
}
else
{
Trace.Assert(parent.lastChild_ != null);
parent.lastChild_.nextSib_ = this;
parent.lastChild_ = this;
}
}
} // FunctionInfo constructor
} // CaptureTokens
// Read JavaScript source text and output a C# file. progClassName
// is the name of the C# class we generate. inputFileLabel denotes
// the source of the input text; it is inserted in a comment in the
// C# source.
public static void CompileToCSharp( TextReader input, TextWriter output,
string progClassName,
string inputFileLabel,
bool forEvalCode )
{
Tokenizer tokenizer = new Tokenizer(input);
TokenListNode tokenList = CaptureTokens(tokenizer);
Phase1Parser parser = new Phase1Parser(new Retokenizer(tokenList));
ProgramInfo programInfo = new ProgramInfo();
FunctionInfo rootFunc = new FunctionInfo(programInfo, null, null);
parser.ParseProgram(rootFunc);
PrettyPrinter pp = new PrettyPrinter(output);
pp.Line("// JANET compiler output for source file " + inputFileLabel);
pp.Line("// ");
CSharpGenerator gen = new CSharpGenerator( rootFunc, pp, progClassName,
forEvalCode );
Phase2Parser parser2 = new Phase2Parser( new Retokenizer(tokenList),
gen );
parser2.ParseProgram(rootFunc);
} // CompileToCSharp
// Construct a FunctionInfo object. parent should be the info object
// for the enclosing function, or null if we are the root program.
// nameInParent should be the function name, or null for functions that
// are defined in an expression (even if the function is named in the
// expression, since such names don't create an entry in the parent's
// scope). nameInParent should also be null for the root function.
//
// If parent is not null, we add ourselves to its children list.
public FunctionInfo(ProgramInfo program, FunctionInfo parent, string nameInParent)
{
program_ = program;
parent_ = parent;
firstChild_ = null;
lastChild_ = null;
nextSib_ = null;
childScan_ = null;
nameInParent_ = nameInParent;
callsEval_ = false;
usesArgs_ = false;
params_ = new StringCollection();
locals_ = new StringCollection();
// Register ourselves in our parent scope.
if (parent != null)
{
if (parent.firstChild_ == null)
{
Trace.Assert(parent.lastChild_ == null);
parent.firstChild_ = this;
parent.childScan_ = this;
parent.lastChild_ = this;
}
else
{
Trace.Assert(parent.lastChild_ != null);
parent.lastChild_.nextSib_ = this;
parent.lastChild_ = this;
}
}
} // FunctionInfo constructor