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/*
* Copyright (c) 2009 Samit Basu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __JITFunc_hpp__
#define __JITFunc_hpp__
#ifdef HAVE_LLVM
#include <QString>
#include "JIT.hpp"
#include "SymbolTable.hpp"
#include "Context.hpp"
#include "Tree.hpp"
class SymbolInfo {
bool isScalar;
int argument_num;
JITScalar address;
JITType type;
SymbolInfo(bool is_scalar, int arg_num, JITScalar base_address, JITType base_type) :
isScalar(is_scalar), argument_num(arg_num), address(base_address), type(base_type) {}
friend class JITFunc;
public:
SymbolInfo(const SymbolInfo &other) { this->isScalar = other.isScalar; this->argument_num = other.argument_num; this->address = other.address; this->type = other.type; }
SymbolInfo &operator=(const SymbolInfo &other) { this->isScalar = other.isScalar; this->argument_num = other.argument_num; this->address = other.address; this->type = other.type; return *this;}
SymbolInfo() {} //need default constructor for SymbolTable
};
class JITFunc {
public:
FM::SymbolTable<SymbolInfo> symbols;
FM::SymbolTable<SymbolInfo> deferred_symbols;
FM::SymbolTable<JITFunction> double_funcs;
FM::SymbolTable<JITFunction> float_funcs;
FM::SymbolTable<JITScalar> constants;
JIT *jit;
Interpreter *eval;
Array** array_inputs;
void** cache_array_bases;
double* cache_array_rows;
double* cache_array_cols;
int argument_count;
JITFunction func;
JITBlock prolog, main_body, epilog;
JITScalar this_ptr, retcode;
Exception exception_store;
QString symbol_prefix;
int uid;
void register_std_function(QString name);
SymbolInfo* add_argument_array(QString name, bool createIfMissing);
SymbolInfo* add_argument_scalar(QString name, JITScalar val = NULL, bool override = false);
JITType map_dataclass(DataClass aclass);
DataClass map_dataclass(JITType type);
DataClass map_dataclass(JITScalar val);
void handle_success_code(JITScalar success);
void initialize();
SymbolInfo* define_local_symbol(QString name, JITScalar val);
JITFunc(Interpreter *eval);
JITScalar compile_expression(const Tree & t);
JITScalar compile_rhs(const Tree & t);
JITScalar compile_function_call(const Tree & t);
JITScalar compile_m_function_call(const Tree & t);
JITScalar compile_built_in_function_call(const Tree & t);
JITScalar compile_constant_function(QString symname);
JITScalar compile_or_statement(const Tree & t);
JITScalar compile_and_statement(const Tree & t);
void compile_if_statement(const Tree & t);
void compile_for_block(const Tree & t);
void compile_assignment(const Tree & t);
void compile_statement(const Tree & t);
void compile_statement_type(const Tree & t);
void compile_block(const Tree & t);
void compile(const Tree & t);
void prep();
void run();
};
#endif
#endif
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