private void ProcessValidField(ReaderContext context)
{
var fieldData = context.FieldData;
// Remove the tokens associated with this field from the main token buffer, as we don't want it to be outputted.
_tokenBuffer.RemoveTokensSince(fieldData.SourceStart);
// Parse the macro
ParseTree parseTree;
try
{
parseTree = DocMacroGrammar.ParseMacro(fieldData.Macro);
}
catch (ParseException ex)
{
context.WriteError(ex.ShortMessage);
return;
}
// Find the instruction node
// TODO - handle multiple instructions
var instructionSetNode = parseTree.Root;
AssertTerm(instructionSetNode, DocTerms.InstructionSet);
AssertChildren(instructionSetNode, 1);
var instructionNode = instructionSetNode.ChildNodes[0];
// And process it
ProcessInstruction(context, instructionNode);
}
/// <summary>
/// Parse a query and return the first instruction.
/// </summary>
private ParseTreeNode RunSingleTest(string script)
{
var result = DocMacroGrammar.ParseMacro(script);
var root = CheckTerm(result.Root, DocTerms.InstructionSet);
var instruction = root.ChildNodes[0];
return(instruction);
}