load_mh_file: recompute results by default and load on request

Prevents general overwriting of results in oo_ and having stale results

DynareBison.yy

@@ -104,7 +104,7 @@ class ParsingDriver;
 %token <string_val> INT_NUMBER
 %token INV_GAMMA_PDF INV_GAMMA1_PDF INV_GAMMA2_PDF IRF IRF_SHOCKS IRF_PLOT_THRESHOLD IRF_CALIBRATION
 %token FAST_KALMAN_FILTER KALMAN_ALGO KALMAN_TOL DIFFUSE_KALMAN_TOL SUBSAMPLES OPTIONS TOLF TOLX
-%token LAPLACE LIK_ALGO LIK_INIT LINEAR LOAD_IDENT_FILES LOAD_MH_FILE LOAD_PARAMS_AND_STEADY_STATE LOGLINEAR LOGDATA LYAPUNOV LINEAR_APPROXIMATION
+%token LAPLACE LIK_ALGO LIK_INIT LINEAR LOAD_IDENT_FILES LOAD_MH_FILE LOAD_RESULTS_AFTER_LOAD_MH LOAD_PARAMS_AND_STEADY_STATE LOGLINEAR LOGDATA LYAPUNOV LINEAR_APPROXIMATION
 %token LYAPUNOV_FIXED_POINT_TOL LYAPUNOV_DOUBLING_TOL LYAPUNOV_SQUARE_ROOT_SOLVER_TOL LOG_DEFLATOR LOG_TREND_VAR LOG_GROWTH_FACTOR MARKOWITZ MARGINAL_DENSITY MAX MAXIT
 %token MFS MH_CONF_SIG MH_DROP MH_INIT_SCALE MH_JSCALE MH_MODE MH_NBLOCKS MH_REPLIC MH_RECOVER POSTERIOR_MAX_SUBSAMPLE_DRAWS MIN MINIMAL_SOLVING_PERIODS
 %token MODE_CHECK MODE_CHECK_NEIGHBOURHOOD_SIZE MODE_CHECK_SYMMETRIC_PLOTS MODE_CHECK_NUMBER_OF_POINTS MODE_COMPUTE MODE_FILE MODEL MODEL_COMPARISON MODEL_INFO MSHOCKS ABS SIGN
@@ -1745,6 +1745,7 @@ estimation_options : o_datafile
                    | o_mh_mode
                    | o_mh_nblocks
                    | o_load_mh_file
+                   | o_load_results_after_load_mh
                    | o_loglinear
                    | o_logdata
                    | o_nodecomposition
@@ -2864,6 +2865,7 @@ o_prior_trunc : PRIOR_TRUNC EQUAL non_negative_number { driver.option_num("prior
 o_mh_mode : MH_MODE EQUAL INT_NUMBER { driver.option_num("mh_mode", $3); };
 o_mh_nblocks : MH_NBLOCKS EQUAL INT_NUMBER { driver.option_num("mh_nblck", $3); };
 o_load_mh_file : LOAD_MH_FILE { driver.option_num("load_mh_file", "1"); };
+o_load_results_after_load_mh : LOAD_RESULTS_AFTER_LOAD_MH { driver.option_num("load_results_after_load_mh", "1"); };
 o_loglinear : LOGLINEAR { driver.option_num("loglinear", "1"); };
 o_linear_approximation : LINEAR_APPROXIMATION { driver.option_num("linear_approximation", "1"); }; 
 o_logdata : LOGDATA { driver.option_num("logdata", "1"); };

DynareFlex.ll

@@ -300,6 +300,7 @@ DATE -?[0-9]+([YyAa]|[Mm]([1-9]|1[0-2])|[Qq][1-4]|[Ww]([1-9]{1}|[1-4][0-9]|5[0-2
 <DYNARE_STATEMENT>mh_mode 		{return token::MH_MODE;}
 <DYNARE_STATEMENT>mh_nblocks 		{return token::MH_NBLOCKS;}
 <DYNARE_STATEMENT>load_mh_file 	{return token::LOAD_MH_FILE;}
+<DYNARE_STATEMENT>load_results_after_load_mh 	{return token::LOAD_RESULTS_AFTER_LOAD_MH;}
 <DYNARE_STATEMENT>loglinear 		{return token::LOGLINEAR;}
 <DYNARE_STATEMENT>linear_approximation 		{return token::LINEAR_APPROXIMATION;}
 <DYNARE_STATEMENT>logdata 	{return token::LOGDATA;}