@Override
protected ASTNode parseInternal(IParseContext context) throws ParseException {
ITextRegion region = new TextRegion(context.currentParseIndex(), 0);
this.macroName = context.parseIdentifier(region, false);
if (context.getCurrentlyExpandingMacro() != null) {
context.addCompilationError(
"Sorry, invoking macros from another macro is currently not implemented", this);
}
// actual existance of invoked macro is checked by ExpandMacrosPhase
region.merge(context.skipWhitespace(false));
if (!context.eof() && context.peek(TokenType.PARENS_OPEN)) {
// parse arguments
region.merge(context.read(TokenType.PARENS_OPEN));
region.merge(context.skipWhitespace(false));
while (!context.eof() && !context.peek(TokenType.PARENS_CLOSE)) {
arguments.add(new MacroArgumentNode().parse(context));
region.merge(context.skipWhitespace(false));
if (context.eof() || context.peek(TokenType.PARENS_CLOSE)) {
break;
}
region.merge(context.read(TokenType.COMMA));
}
region.merge(context.read(TokenType.PARENS_CLOSE));
}
mergeWithAllTokensTextRegion(region);
return this;
}
private void setNodeAndLocation(ASTNode node, ITextRegion range) {
if (node != null) {
setAttribute(IMarker.ATTR_AST_NODE, node);
if (range == null && node.getTextRegion() != null) {
setLocation(new TextRegion(node.getTextRegion()));
if (!hasAttribute(IMarker.ATTR_SRC_OFFSET)) {
setErrorOffset(node.getTextRegion().getStartingOffset());
}
}
}
if (range != null) {
setLocation(new TextRegion(range));
if (!hasAttribute(IMarker.ATTR_SRC_OFFSET)) {
setErrorOffset(range.getStartingOffset());
}
}
}