140 lines
5.2 KiB
C++
140 lines
5.2 KiB
C++
// This file is distributed under the BSD License.
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// See LICENSE.TXT for details.
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#ifndef CHAISCRIPT_HPP_
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#define CHAISCRIPT_HPP_
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#include <boost/bind.hpp>
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#include <boost/shared_ptr.hpp>
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#include <boost/function.hpp>
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#include <stdexcept>
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#include <tr1/memory>
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#include <iostream>
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#include <map>
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#include <fstream>
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#include "dispatchkit.hpp"
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#include "bootstrap.hpp"
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#include "bootstrap_stl.hpp"
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namespace chaiscript
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{
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/*
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class TokenType { public: enum Type { File, Whitespace, Identifier, Integer, Operator, Parens_Open, Parens_Close,
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Square_Open, Square_Close, Curly_Open, Curly_Close, Comma, Quoted_String, Single_Quoted_String, Carriage_Return, Semicolon,
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Function_Def, Lambda_Def, Scoped_Block, Statement, Equation, Return, Expression, Term, Factor, Negate, Not, Comment,
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Value, Fun_Call, Method_Call, Comparison, If_Block, While_Block, Boolean, Real_Number, Array_Call, Variable_Decl, Array_Init, Map_Init,
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For_Block, Prefix, Break, Map_Pair}; };
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const char *tokentype_to_string(int tokentype) {
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const char *token_types[] = {"File", "Whitespace", "Identifier", "Integer", "Operator", "Parens_Open", "Parens_Close",
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"Square_Open", "Square_Close", "Curly_Open", "Curly_Close", "Comma", "Quoted_String", "Single_Quoted_String", "Carriage_Return", "Semicolon",
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"Function_Def", "Lambda_Def", "Scoped_Block", "Statement", "Equation", "Return", "Expression", "Term", "Factor", "Negate", "Not", "Comment",
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"Value", "Fun_Call", "Method_Call", "Comparison", "If_Block", "While_Block", "Boolean", "Real Number", "Array_Call", "Variable_Decl", "Array_Init", "Map_Init",
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"For_Block", "Prefix", "Break", "Map_Pair"};
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return token_types[tokentype];
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}
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*/
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class Token_Type { public: enum Type { Error, Int, Float, Id, Char, Str, Eol, Fun_Call, Arg_List, Variable, Equation, Var_Decl,
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Expression, Comparison, Additive, Multiplicative, Negate, Not, Array_Call, Dot_Access, Quoted_String, Single_Quoted_String,
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Lambda, Block, Def, While, If, For, Inline_Array, Inline_Map, Return, File, Prefix, Break, Map_Pair, Value_Range,
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Inline_Range }; };
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const char *token_type_to_string(int tokentype) {
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const char *token_types[] = { "Internal Parser Error", "Int", "Float", "Id", "Char", "Str", "Eol", "Fun_Call", "Arg_List", "Variable", "Equation", "Var_Decl",
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"Expression", "Comparison", "Additive", "Multiplicative", "Negate", "Not", "Array_Call", "Dot_Access", "Quoted_String", "Single_Quoted_String",
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"Lambda", "Block", "Def", "While", "If", "For", "Inline_Array", "Inline_Map", "Return", "File", "Prefix", "Break", "Map_Pair", "Value_Range",
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"Inline_Range" };
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return token_types[tokentype];
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}
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struct File_Position {
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int line;
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int column;
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// std::string::iterator text_pos;
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File_Position(int file_line, int file_column)
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: line(file_line), column(file_column) { }
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File_Position() : line(0), column(0) { }
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};
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typedef std::tr1::shared_ptr<struct Token> TokenPtr;
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struct Token {
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std::string text;
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int identifier;
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const char *filename;
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File_Position start, end;
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std::vector<TokenPtr> children;
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Token(const std::string &token_text, int id, const char *fname) : text(token_text), identifier(id), filename(fname) { }
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Token(const std::string &token_text, int id, const char *fname, int start_line, int start_col, int end_line, int end_col) :
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text(token_text), identifier(id), filename(fname) {
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start.line = start_line;
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start.column = start_col;
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end.line = end_line;
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end.column = end_col;
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}
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};
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struct Parse_Error {
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std::string reason;
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File_Position position;
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const char *filename;
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Parse_Error(const std::string &why, const File_Position &where, const char *fname) :
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reason(why), position(where), filename(fname) { }
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Parse_Error(const std::string &why, const TokenPtr &where) : reason(why) {
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filename = where->filename;
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position = where->start;
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}
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virtual ~Parse_Error() throw() {}
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};
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struct ParserError {
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std::string reason;
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TokenPtr location;
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ParserError(const std::string &why, const TokenPtr where) : reason(why), location(where){ }
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};
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struct EvalError : public std::runtime_error {
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std::string reason;
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TokenPtr location;
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EvalError(const std::string &why, const TokenPtr where)
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: std::runtime_error("Eval error: \"" + why + "\" in '"
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+ where->filename + "' line: " + boost::lexical_cast<std::string>(where->start.line+1)),
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reason(why), location(where) { }
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virtual ~EvalError() throw() {}
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};
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struct ReturnValue {
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dispatchkit::Boxed_Value retval;
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TokenPtr location;
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ReturnValue(const dispatchkit::Boxed_Value &return_value, const TokenPtr where) : retval(return_value), location(where) { }
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};
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struct BreakLoop {
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TokenPtr location;
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BreakLoop(const TokenPtr where) : location(where) { }
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};
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}
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#include "chaiscript_eval.hpp"
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#include "chaiscript_engine.hpp"
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#endif /* CHAISCRIPT_HPP_ */
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