示例#1
0
void protoDeclaration::parse(tokenizer &tokens, void *data)
{
	tokens.syntax_start(this);

	tokens.increment(true);
	tokens.expect("]");

	tokens.increment(true);
	tokens.expect<interfaceDeclaration>();

	tokens.increment(true);
	tokens.expect("[");

	tokens.increment(true);
	tokens.expect<parse::instance>();

	tokens.increment(true);
	tokens.expect("PROTO");
	tokens.expect("EXTERNPROTO");

	if (tokens.decrement(__FILE__, __LINE__, data))
	{
		if (tokens.found("PROTO"))
			external = false;
		else if (tokens.found("EXTERNPROTO"))
			external = true;
	}

	if (tokens.decrement(__FILE__, __LINE__, data))
		nodeType = tokens.next();

	if (tokens.decrement(__FILE__, __LINE__, data))
		tokens.next();

	while (tokens.decrement(__FILE__, __LINE__, data))
	{
		interfaces.push_back(interfaceDeclaration(tokens, external, data));

		tokens.increment(false);
		tokens.expect<interfaceDeclaration>();
	}

	if (tokens.decrement(__FILE__, __LINE__, data))
		tokens.next();

	if (external)
	{
		tokens.increment(true);
		tokens.expect<fieldValue>();

		if (tokens.decrement(__FILE__, __LINE__, data))
			value = fieldValue(tokens, "MFString", data);
	}
	else
	{
		tokens.increment(true);
		tokens.expect("}");

		tokens.increment(true);
		tokens.expect<scene>();

		tokens.increment(true);
		tokens.expect("{");

		if (tokens.decrement(__FILE__, __LINE__, data))
			tokens.next();

		if (tokens.decrement(__FILE__, __LINE__, data))
			sub = new scene(tokens, data);

		if (tokens.decrement(__FILE__, __LINE__, data))
			tokens.next();
	}

	tokens.syntax_end(this);
}
示例#2
0
void statement::parse(tokenizer &tokens, void *data)
{
	tokens.syntax_start(this);

	statement_type = "node";
	tokens.increment(true);
	tokens.expect("graph");
	tokens.expect("node");
	tokens.expect("edge");
	tokens.expect<node_id>();
	tokens.expect("subgraph");

	if (tokens.decrement(__FILE__, __LINE__, data))
	{
		if (tokens.found("subgraph"))
			nodes.push_back(new graph(tokens, data));
		else if (tokens.found<node_id>())
			nodes.push_back(new node_id(tokens, data));
		else
		{
			statement_type = "attribute";
			attribute_type = tokens.next();
		}
	}

	if (statement_type != "attribute")
	{
		tokens.increment(false);
		tokens.expect("->");
		tokens.expect("--");
		while (tokens.decrement(__FILE__, __LINE__, data))
		{
			statement_type = "edge";
			tokens.next();

			tokens.increment(false);
			tokens.expect("->");
			tokens.expect("--");

			tokens.increment(true);
			tokens.expect<node_id>();
			tokens.expect("subgraph");

			if (tokens.decrement(__FILE__, __LINE__, data))
			{
				if (tokens.found("subgraph"))
					nodes.push_back(new graph(tokens, data));
				else if (tokens.found<node_id>())
					nodes.push_back(new node_id(tokens, data));
			}
		}
	}

	tokens.increment(statement_type == "attribute");
	tokens.expect<attribute_list>();

	if (tokens.decrement(__FILE__, __LINE__, data))
		attributes.parse(tokens, data);

	tokens.syntax_end(this);
}