preprocessor: allow declaration of model variables in the model block
parent
ddcad84f13
commit
fabbc9e9f4
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@ -3710,6 +3710,21 @@ DynamicModel::writeDynamicFile(const string &basename, bool block, bool bytecode
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writeDynamicMFile(t_basename);
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}
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void
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DynamicModel::updateAfterVariableChange(DynamicModel &dm)
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{
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variable_node_map.clear();
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unary_op_node_map.clear();
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binary_op_node_map.clear();
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trinary_op_node_map.clear();
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external_function_node_map.clear();
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first_deriv_external_function_node_map.clear();
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second_deriv_external_function_node_map.clear();
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cloneDynamic(dm);
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dm.replaceMyEquations(*this);
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}
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void
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DynamicModel::cloneDynamic(DynamicModel &dynamic_model) const
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{
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@ -263,6 +263,9 @@ public:
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/*! It assumes that the dynamic model given in argument has just been allocated */
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void cloneDynamic(DynamicModel &dynamic_model) const;
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//! update equations after variable type change in model block
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void updateAfterVariableChange(DynamicModel &dynamic_model);
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//! Replaces model equations with derivatives of Lagrangian w.r.t. endogenous
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void computeRamseyPolicyFOCs(const StaticModel &static_model);
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//! Replaces the model equations in dynamic_model with those in this model
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@ -121,7 +121,7 @@ class ParsingDriver;
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%token PERFECT_FORESIGHT_SETUP PERFECT_FORESIGHT_SOLVER NO_POSTERIOR_KERNEL_DENSITY FUNCTION
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%token PRINT PRIOR_MC PRIOR_TRUNC PRIOR_MODE PRIOR_MEAN POSTERIOR_MODE POSTERIOR_MEAN POSTERIOR_MEDIAN MLE_MODE PRUNING
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%token <string_val> QUOTED_STRING
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%token QZ_CRITERIUM QZ_ZERO_THRESHOLD FULL DSGE_VAR DSGE_VARLAG DSGE_PRIOR_WEIGHT TRUNCATE
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%token QZ_CRITERIUM QZ_ZERO_THRESHOLD FULL DSGE_VAR DSGE_VARLAG DSGE_PRIOR_WEIGHT TRUNCATE PIPE_E PIPE_X PIPE_P
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%token RELATIVE_IRF REPLIC SIMUL_REPLIC RPLOT SAVE_PARAMS_AND_STEADY_STATE PARAMETER_UNCERTAINTY
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%token SHOCKS SHOCK_DECOMPOSITION SHOCK_GROUPS USE_SHOCK_GROUPS SIGMA_E SIMUL SIMUL_ALGO SIMUL_SEED ENDOGENOUS_TERMINAL_PERIOD
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%token SMOOTHER SMOOTHER2HISTVAL SQUARE_ROOT_SOLVER STACK_SOLVE_ALGO STEADY_STATE_MODEL SOLVE_ALGO SOLVER_PERIODS ROBUST_LIN_SOLVE
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@ -734,6 +734,12 @@ hand_side : '(' hand_side ')'
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{ $$ = $2;}
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| symbol
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{ $$ = driver.add_model_variable($1); }
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| symbol PIPE_E
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{ $$ = driver.declare_or_change_type(eEndogenous, $1); }
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| symbol PIPE_X
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{ $$ = driver.declare_or_change_type(eExogenous, $1); }
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| symbol PIPE_P
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{ $$ = driver.declare_or_change_type(eParameter, $1); }
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| non_negative_number
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{ $$ = driver.add_non_negative_constant($1); }
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| hand_side PLUS hand_side
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@ -852,6 +852,10 @@ DATE -?[0-9]+([YyAa]|[Mm]([1-9]|1[0-2])|[Qq][1-4]|[Ww]([1-9]{1}|[1-4][0-9]|5[0-2
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}
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<DATES_STATEMENT>. { yylval->string_val->append(yytext); }
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<DYNARE_BLOCK>\|[eE] { return token::PIPE_E; }
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<DYNARE_BLOCK>\|[xX] { return token::PIPE_X; }
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<DYNARE_BLOCK>\|[pP] { return token::PIPE_P; }
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<DYNARE_STATEMENT,DYNARE_BLOCK>\'[^\']+\' {
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yylval->string_val = new string(yytext + 1);
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yylval->string_val->resize(yylval->string_val->length() - 1);
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@ -44,7 +44,7 @@ void
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ParsingDriver::check_symbol_existence_in_model_block(const string &name)
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{
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if (!mod_file->symbol_table.exists(name))
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model_error("Unknown symbol: " + name);
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model_error("Unknown symbol: " + name, name);
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}
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void
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@ -139,10 +139,17 @@ ParsingDriver::create_error_string(const Dynare::parser::location_type &l, const
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}
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void
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ParsingDriver::model_error(const string &m)
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ParsingDriver::create_error_string(const Dynare::parser::location_type &l, const string &m, const string &var)
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{
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create_error_string(location, m, model_errors);
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model_error_encountered = true;
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ostringstream stream;
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create_error_string(l, m, stream);
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model_errors.push_back(make_pair(var, stream.str()));
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}
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void
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ParsingDriver::model_error(const string &m, const string &var)
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{
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create_error_string(location, m, var);
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}
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void
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@ -360,7 +367,7 @@ ParsingDriver::add_model_variable(string *name)
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{
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symb_id = mod_file->symbol_table.getID(*name);
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if (undeclared_model_vars.find(*name) != undeclared_model_vars.end())
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model_error("Unknown symbol: " + *name);
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model_error("Unknown symbol: " + *name, *name);
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}
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catch (SymbolTable::UnknownSymbolNameException &e)
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{
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@ -374,6 +381,57 @@ ParsingDriver::add_model_variable(string *name)
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return add_model_variable(symb_id, 0);
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}
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expr_t
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ParsingDriver::declare_or_change_type(SymbolType new_type, string *name)
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{
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int symb_id;
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try
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{
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symb_id = mod_file->symbol_table.getID(*name);
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mod_file->symbol_table.changeType(symb_id, new_type);
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// change in equations in ModelTree
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DynamicModel *dm = new DynamicModel(mod_file->symbol_table,
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mod_file->num_constants,
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mod_file->external_functions_table);
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mod_file->dynamic_model.updateAfterVariableChange(*dm);
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delete dm;
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// remove error messages
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undeclared_model_vars.erase(*name);
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for (vector<pair<string, string> >::const_iterator it = model_errors.begin();
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it != model_errors.end();)
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if (it->first == *name)
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it = model_errors.erase(it);
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else
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it++;
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}
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catch (SymbolTable::UnknownSymbolNameException &e)
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{
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switch (new_type)
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{
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case eEndogenous:
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declare_endogenous(new string(*name));
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break;
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case eExogenous:
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declare_exogenous(new string(*name));
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break;
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case eExogenousDet:
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declare_exogenous_det(new string(*name));
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break;
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case eParameter:
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declare_parameter(new string(*name));
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break;
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default:
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error("Type not yet supported");
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}
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symb_id = mod_file->symbol_table.getID(*name);
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}
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delete name;
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return add_model_variable(symb_id, 0);
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}
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expr_t
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ParsingDriver::add_model_variable(int symb_id, int lag)
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{
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@ -689,9 +747,10 @@ ParsingDriver::begin_model()
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void
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ParsingDriver::end_model()
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{
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if (model_error_encountered)
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if (model_errors.size() > 0)
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{
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cerr << model_errors.str();
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for (vector<pair<string, string> >::const_iterator it = model_errors.begin(); it != model_errors.end(); it++)
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cerr << it->second;
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exit(EXIT_FAILURE);
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}
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reset_data_tree();
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@ -2657,11 +2716,11 @@ ParsingDriver::add_model_var_or_external_function(string *function_name, bool in
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else
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{ // e.g. model_var(lag) => ADD MODEL VARIABLE WITH LEAD (NumConstNode)/LAG (UnaryOpNode)
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if (undeclared_model_vars.find(*function_name) != undeclared_model_vars.end())
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model_error("Unknown symbol: " + *function_name);
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model_error("Unknown symbol: " + *function_name, *function_name);
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pair<bool, double> rv = is_there_one_integer_argument();
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if (!rv.first)
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model_error(string("Symbol ") + *function_name + string(" is being treated as if it were a function (i.e., takes an argument that is not an integer)."));
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model_error(string("Symbol ") + *function_name + string(" is being treated as if it were a function (i.e., takes an argument that is not an integer)."), "");
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nid = add_model_variable(mod_file->symbol_table.getID(*function_name), (int) rv.second);
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stack_external_function_args.pop();
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@ -2692,7 +2751,7 @@ ParsingDriver::add_model_var_or_external_function(string *function_name, bool in
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// Continue processing, noting that it was not declared
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// Paring will end at the end of the model block
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undeclared_model_vars.insert(*function_name);
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model_error("Unknown symbol: " + *function_name);
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model_error("Unknown symbol: " + *function_name, *function_name);
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pair<bool, double> rv = is_there_one_integer_argument();
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if (rv.first)
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{
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@ -234,12 +234,10 @@ private:
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bool nostrict;
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bool model_error_encountered;
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ostringstream model_errors;
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vector<pair<string, string> > model_errors;
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public:
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ParsingDriver(WarningConsolidation &warnings_arg, bool nostrict_arg) : warnings(warnings_arg), nostrict(nostrict_arg), model_error_encountered(false) { };
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ParsingDriver(WarningConsolidation &warnings_arg, bool nostrict_arg) : warnings(warnings_arg), nostrict(nostrict_arg) { };
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//! Starts parsing, and constructs the MOD file representation
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/*! The returned pointer should be deleted after use */
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@ -268,9 +266,10 @@ public:
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void warning(const string &m);
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//! Error handler with explicit location (used in model block, accumulating error messages to be printed later)
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void model_error(const string &m);
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void model_error(const string &m, const string &var);
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//! Code shared between model_error() and error()
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void create_error_string(const Dynare::parser::location_type &l, const string &m, const string &var);
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void create_error_string(const Dynare::parser::location_type &l, const string &m, ostream &stream);
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//! Check if a given symbol exists in the parsing context, and is not a mod file local variable
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@ -330,6 +329,9 @@ public:
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expr_t add_inf_constant();
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//! Adds a model variable to ModelTree and VariableTable
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expr_t add_model_variable(string *name);
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//! Declares a variable of type new_type OR changes a variable in the equations to type new_type
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//! and removes any error messages that may have been issued in model_errors
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expr_t declare_or_change_type(SymbolType new_type, string *name);
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//! Adds an Expression's variable
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expr_t add_expression_variable(string *name);
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//! Adds a "periods" statement
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