244 lines
7.5 KiB
C++
244 lines
7.5 KiB
C++
/*
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* Copyright (C) 2016 Mark Roszko <mark.roszko@gmail.com>
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* Copyright (C) 2016 QiEDA Developers
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SEXPR_H_
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#define SEXPR_H_
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#include <cstdint>
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#include <string>
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#include <vector>
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#include "sexpr/isexprable.h"
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#include "sexpr/sexpr_exception.h"
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namespace SEXPR
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{
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using std::int32_t;
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using std::int64_t;
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enum SEXPR_TYPE
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{
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SEXPR_TYPE_LIST,
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SEXPR_TYPE_ATOM_INTEGER,
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SEXPR_TYPE_ATOM_DOUBLE,
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SEXPR_TYPE_ATOM_STRING,
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SEXPR_TYPE_ATOM_SYMBOL,
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};
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typedef std::vector<class SEXPR *> SEXPR_VECTOR;
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class SEXPR
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{
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protected:
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SEXPR_TYPE m_type;
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SEXPR(SEXPR_TYPE type, size_t lineNumber);
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SEXPR(SEXPR_TYPE type);
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size_t m_lineNumber;
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public:
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virtual ~SEXPR() {};
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bool IsList() const { return m_type == SEXPR_TYPE_LIST; }
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bool IsSymbol() const { return m_type == SEXPR_TYPE_ATOM_SYMBOL; }
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bool IsString() const { return m_type == SEXPR_TYPE_ATOM_STRING; }
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bool IsDouble() const { return m_type == SEXPR_TYPE_ATOM_DOUBLE; }
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bool IsInteger() const { return m_type == SEXPR_TYPE_ATOM_INTEGER; }
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void AddChild(SEXPR* child);
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SEXPR_VECTOR const * GetChildren() const;
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SEXPR * GetChild(size_t idx) const;
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size_t GetNumberOfChildren() const;
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int64_t GetLongInteger() const;
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int32_t GetInteger() const;
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float GetFloat() const;
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double GetDouble() const;
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std::string const & GetString() const;
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std::string const & GetSymbol() const;
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SEXPR_LIST* GetList();
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std::string AsString(size_t level = 0);
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size_t GetLineNumber() { return m_lineNumber; }
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};
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struct SEXPR_INTEGER : public SEXPR
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{
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int64_t m_value;
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SEXPR_INTEGER(int64_t value) : SEXPR(SEXPR_TYPE_ATOM_INTEGER), m_value(value) {};
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SEXPR_INTEGER(int64_t value, int lineNumber) : SEXPR(SEXPR_TYPE_ATOM_INTEGER, lineNumber), m_value(value) {};
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};
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struct SEXPR_DOUBLE : public SEXPR
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{
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double m_value;
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SEXPR_DOUBLE(double value) : SEXPR(SEXPR_TYPE_ATOM_DOUBLE), m_value(value) {};
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SEXPR_DOUBLE(double value, int lineNumber) : SEXPR(SEXPR_TYPE_ATOM_DOUBLE, lineNumber), m_value(value) {};
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};
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struct SEXPR_STRING : public SEXPR
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{
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std::string m_value;
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SEXPR_STRING(std::string value) : SEXPR(SEXPR_TYPE_ATOM_STRING), m_value(value) {};
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SEXPR_STRING(std::string value, int lineNumber) : SEXPR(SEXPR_TYPE_ATOM_STRING, lineNumber), m_value(value) {};
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};
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struct SEXPR_SYMBOL : public SEXPR
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{
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std::string m_value;
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SEXPR_SYMBOL(std::string value) : SEXPR(SEXPR_TYPE_ATOM_SYMBOL), m_value(value) {};
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SEXPR_SYMBOL(std::string value, int lineNumber) : SEXPR(SEXPR_TYPE_ATOM_SYMBOL, lineNumber), m_value(value) {};
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};
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struct _OUT_STRING
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{
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bool _Symbol;
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const std::string& _String;
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};
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inline _OUT_STRING AsSymbol(const std::string& str)
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{
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struct _OUT_STRING ret = { true, str };
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return ret;
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}
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inline _OUT_STRING AsString(const std::string& str)
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{
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struct _OUT_STRING ret = { false, str };
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return ret;
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}
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struct _IN_STRING
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{
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bool _Symbol;
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std::string& _String;
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};
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inline _IN_STRING AsSymbol(std::string& str)
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{
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struct _IN_STRING ret = { true, str };
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return ret;
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}
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inline _IN_STRING AsString(std::string& str)
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{
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struct _IN_STRING ret = { false, str };
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return ret;
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}
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class SEXPR_SCAN_ARG {
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friend class SEXPR_LIST;
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public:
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SEXPR_SCAN_ARG(int32_t* value) : type(INT) { u.int_value = value; }
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SEXPR_SCAN_ARG(int64_t* value) : type(LONGINT) { u.lint_value = value; }
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SEXPR_SCAN_ARG(double* value) : type(DOUBLE) { u.dbl_value = value; }
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SEXPR_SCAN_ARG(std::string* value) : type(STRING) { u.str_value = value; }
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SEXPR_SCAN_ARG(_IN_STRING& value) : type(SEXPR_STRING) { u.sexpr_str = &value; }
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SEXPR_SCAN_ARG(const std::string* value) : type(STRING_COMP) { str_value = *value; }
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SEXPR_SCAN_ARG(std::string value) : type(STRING_COMP) { str_value = value; }
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SEXPR_SCAN_ARG(const char* value) : type(STRING_COMP) { str_value = value; }
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private:
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enum Type { INT, DOUBLE, STRING, LONGINT, STRING_COMP, SEXPR_STRING};
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Type type;
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union {
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int64_t* lint_value;
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int32_t* int_value;
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double* dbl_value;
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std::string* str_value;
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_IN_STRING* sexpr_str;
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} u;
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std::string str_value;
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};
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class SEXPR_CHILDREN_ARG {
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friend class SEXPR_LIST;
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public:
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SEXPR_CHILDREN_ARG(int32_t value) : type(INT) { u.int_value = value; }
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SEXPR_CHILDREN_ARG(int64_t value) : type(LONGINT) { u.lint_value = value; }
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SEXPR_CHILDREN_ARG(double value) : type(DOUBLE) { u.dbl_value = value; }
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SEXPR_CHILDREN_ARG(std::string value) : type(STRING) { str_value = value; }
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SEXPR_CHILDREN_ARG(const char* value) : type(STRING) { str_value = value; }
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SEXPR_CHILDREN_ARG(const _OUT_STRING& value) : type(SEXPR_STRING) { str_value = value._String; u.symbol = value._Symbol; }
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SEXPR_CHILDREN_ARG(SEXPR* ptr) : type(SEXPR_ATOM) { u.sexpr_ptr = ptr; }
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private:
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enum Type { INT, DOUBLE, STRING, LONGINT, SEXPR_STRING, SEXPR_ATOM };
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Type type;
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union {
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int64_t lint_value;
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int32_t int_value;
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double dbl_value;
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SEXPR* sexpr_ptr;
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bool symbol;
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} u;
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std::string str_value;
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};
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class SEXPR_LIST : public SEXPR
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{
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public:
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SEXPR_LIST() : SEXPR(SEXPR_TYPE_LIST), m_inStreamChild(0) {};
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SEXPR_LIST(int lineNumber) : SEXPR(SEXPR_TYPE_LIST, lineNumber), m_inStreamChild(0) {};
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template <typename... Args>
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SEXPR_LIST(const Args&... args) : SEXPR(SEXPR_TYPE_LIST), m_inStreamChild(0)
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{
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AddChildren(args...);
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};
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SEXPR_VECTOR m_children;
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template <typename... Args>
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size_t Scan(const Args&... args)
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{
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SEXPR_SCAN_ARG arg_array[] = { args... };
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return doScan(arg_array, sizeof...(Args));
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}
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template <typename... Args>
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void AddChildren(const Args&... args)
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{
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SEXPR_CHILDREN_ARG arg_array[] = { args... };
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doAddChildren(arg_array, sizeof...(Args));
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}
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virtual ~SEXPR_LIST();
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friend SEXPR_LIST& operator<< (SEXPR_LIST& list, double value);
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friend SEXPR_LIST& operator<< (SEXPR_LIST& list, float value);
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friend SEXPR_LIST& operator<< (SEXPR_LIST& list, int64_t value);
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friend SEXPR_LIST& operator<< (SEXPR_LIST& list, int32_t value);
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friend SEXPR_LIST& operator<< (SEXPR_LIST& list, std::string value);
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friend SEXPR_LIST& operator<< (SEXPR_LIST& list, const _OUT_STRING setting);
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friend SEXPR_LIST& operator<< (SEXPR_LIST& list, const ISEXPRABLE& obj);
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friend SEXPR_LIST& operator<< (SEXPR_LIST& list, SEXPR_LIST* list2);
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friend SEXPR_LIST& operator<< (SEXPR_LIST& list, SEXPR* obj);
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friend SEXPR_LIST& operator>> (SEXPR_LIST& input, ISEXPRABLE& obj);
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friend SEXPR_LIST& operator>> (SEXPR_LIST& input, std::string& str);
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friend SEXPR_LIST& operator>> (SEXPR_LIST& input, int32_t& inte);
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friend SEXPR_LIST& operator>> (SEXPR_LIST& input, int64_t& inte);
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friend SEXPR_LIST& operator>> (SEXPR_LIST& input, float& inte);
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friend SEXPR_LIST& operator>> (SEXPR_LIST& input, double& inte);
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friend SEXPR_LIST& operator>> (SEXPR_LIST& input, const _IN_STRING is);
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private:
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int m_inStreamChild;
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size_t doScan(const SEXPR_SCAN_ARG *args, size_t num_args);
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void doAddChildren(const SEXPR_CHILDREN_ARG *args, size_t num_args);
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};
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}
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#endif
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