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#ifndef SCC_WRITER_H
#define SCC_WRITER_H
#include "expr.h"
#include <vector>
#include "check.h"
enum
{
opt_write_case_body = 0x00000001,
opt_write_check_sym_expr = 0x00000002,
opt_write_add_args = 0x000000004,
opt_write_no_inc = 0x00000008,
opt_write_call_debug = 0x00000010,
opt_write_nested_app = 0x00000020,
};
class sccwriter
{
private:
//options
int options;
//programs to write to file
symmap progs;
//list of indicies in progs
std::vector< Expr* > progPtrs;
std::vector< std::string > progNames;
int currProgram;
//current variables in the scope
std::vector< std::string > vars;
//global variables stored for lookups
std::vector< std::string > globalSyms;
//symbols that must be dec'ed
std::vector< std::string > decSyms;
//get program
CExpr* get_prog( int n ) { return (CExpr*)progs[ progNames[n] ]; }
//get index for string
int get_prog_index_by_expr( Expr* e );
int get_prog_index( const std::string& str );
//is variable in current scope
bool is_var( const std::string& str );
//add global sym
void add_global_sym( const std::string& str );
//expression count
static int exprCount;
//string count
static int strCount;
//args count
static int argsCount;
//num count
static int rnumCount;
//indent
static void indent( std::ostream& os, int ind );
//write function header
void write_function_header( std::ostream& os, int index, int opts = 0 );
void write_code( Expr* code, std::ostream& os, int ind, const char* retModStr, int opts = 0 );
//write all children starting at child counter to stream, store in Expr* e_...e_;
void write_args( CExpr* code, std::ostream& os, int ind, int childCounter, std::vector< std::string >& args, int opts = 0 );
//write expression - store result of code into e_ for some Expr* e_;
void write_expr( Expr* code, std::ostream& os, int ind, std::string& expr, int opts = 0 );
//write variable
void write_variable( const std::string& n, std::ostream& os );
//get function name
void get_function_name( const std::string& pname, std::string& fname );
//get the variable name
void get_var_name( const std::string& n, std::string& nn );
//write dec
void write_dec( const std::string& expr, std::ostream& os, int ind );
public:
sccwriter( int opts = 0 ) : options( opts ){}
virtual ~sccwriter(){}
void add_scc( const std::string& pname, Expr* exp ) {
//progs.push_back( std::pair< std::string, CExpr* >( pname, exp ) );
progs[pname] = exp;
progPtrs.push_back( exp );
progNames.push_back( pname );
}
void write_file();
//write code
static void debug_write_code( Expr* code, std::ostream& os, int ind );
};
#endif
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