Mercurial > ldforge / changeset

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/script/ast.cpp	Mon Jan 26 01:16:56 2015 +0200
@@ -0,0 +1,7 @@
+#include "ast.h"
+
+Script::AstNode::AstNode (QSharedPointer<AstNode> parent) :
+	m_parent (parent)
+{
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/script/ast.h	Mon Jan 26 01:16:56 2015 +0200
@@ -0,0 +1,21 @@
+#pragma once
+#include <QVector>
+#include <QSharedPointer>
+
+namespace Script
+{
+	enum AstNodeType
+	{
+
+	};
+
+	class AstNode
+	{
+	public:
+		AstNode (QSharedPointer<AstNode> parent);
+
+	private:
+		QVector<QSharedPointer<AstNode>> m_children;
+		QSharedPointer<AstNode> m_parent;
+	};
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/script/parser.cpp	Mon Jan 26 01:16:56 2015 +0200
@@ -0,0 +1,35 @@
+#include "parser.h"
+
+Script::Parser::Parser(QString text) :
+	m_data (text) {}
+
+void Script::Parser::parse()
+{
+	m_position.reset();
+}
+
+bool Script::Parser::next(TokenType desiredType)
+{
+	SavedPosition oldpos = position();
+}
+
+void Script::Parser::mustGetNext(TokenType desiredType)
+{
+
+}
+
+bool Script::Parser::peekNext(Token& tok)
+{
+
+}
+
+
+const Script::SavedPosition& Script::Parser::position() const
+{
+	return m_position;
+}
+
+void Script::Parser::setPosition(const SavedPosition& pos)
+{
+	m_position = pos;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/script/parser.h	Mon Jan 26 01:16:56 2015 +0200
@@ -0,0 +1,94 @@
+#pragma once
+#include <QString>
+#include "ast.h"
+
+namespace Script
+{
+	enum TokenType
+	{
+		TOK_Dollar,
+		TOK_Semicolon,
+		TOK_BraceLeft,
+		TOK_BraceRight,
+		TOK_BracketLeft,
+		TOK_BracketRight,
+		TOK_ParenLeft,
+		TOK_ParenRight,
+		TOK_String,
+		TOK_Symbol,
+		TOK_Number,
+		TOK_Any
+	};
+
+	enum Type
+	{
+		TYPE_Var, // mixed
+		TYPE_Int,
+		TYPE_Real,
+		TYPE_String,
+		TYPE_Type, // heh
+		TYPE_Vertex,
+		TYPE_Object,
+		TYPE_Line,
+		TYPE_OptLine,
+		TYPE_Triangle,
+		TYPE_Quad,
+		TYPE_Reference,
+	};
+
+	enum Function
+	{
+		FUNC_Abs,
+		FUNC_Print,
+		FUNC_Typeof,
+	};
+
+	struct Token
+	{
+		TokenType type;
+		QString text;
+	};
+
+	struct SavedPosition
+	{
+		int position;
+		int lineNumber;
+
+		void reset()
+		{
+			position = 0;
+			lineNumber = 1;
+		}
+	};
+
+	class ParseError : public std::exception
+	{
+	public:
+		ParseError(QString text) : m_text (text) {}
+		const char* what() const { return m_text; }
+
+	private:
+		QString m_text;
+	};
+
+	class Parser
+	{
+	public:
+		Parser(QString text);
+		~Parser();
+
+		void parse();
+		void scriptError(QString text) { throw ParseError(text); }
+		bool next(TokenType desiredType = TOK_Any);
+		void mustGetNext(TokenType desiredType = TOK_Any);
+		bool peekNext(Token& tok);
+		const SavedPosition& position() const;
+		void setPosition(const SavedPosition& pos);
+
+	private:
+		QString m_data;
+		SavedPosition m_position;
+		Token m_token;
+		AstNode* m_astRoot;
+	};
+}