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added expression_or_empty token 

re-authorized empty expression between commas in estimated_parameters statements


git-svn-id: https://www.dynare.org/svn/dynare/trunk@2374 ac1d8469-bf42-47a9-8791-bf33cf982152
issue#70
michel 2009-01-25 09:50:21 +00:00
parent bc5c40525c
commit e1ba3f44da
1 changed files with 12 additions and 8 deletions
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20
DynareBison.yy
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@ -134,7 +134,7 @@ class ParsingDriver;
%token ALPHA_RMSE ALPHA2_RMSE TRANS_IDENT
/* end of GSA analysis*/
%type <node_val> expression
%type <node_val> expression expression_or_empty
%type <node_val> equation hand_side model_var
%type <string_val> signed_float signed_integer prior
%type <string_val> filename
@ -376,6 +376,10 @@ comma_expression : expression
{ driver.add_unknown_function_arg($3); }
;
expression_or_empty : {$$ = driver.add_nan_constant();}
| expression
;
initval : INITVAL ';' initval_list END
{ driver.end_initval(); }
@ -738,13 +742,13 @@ estimated_elem2 : prior COMMA estimated_elem3
driver.estim_params.prior = *$1;
delete $1;
}
| expression COMMA prior COMMA estimated_elem3
| expression_or_empty COMMA prior COMMA estimated_elem3
{
driver.estim_params.init_val = $1;
driver.estim_params.prior = *$3;
delete $3;
}
| expression COMMA expression COMMA expression COMMA prior COMMA estimated_elem3
| expression_or_empty COMMA expression_or_empty COMMA expression_or_empty COMMA prior COMMA estimated_elem3
{
driver.estim_params.init_val = $1;
driver.estim_params.low_bound = $3;
@ -756,7 +760,7 @@ estimated_elem2 : prior COMMA estimated_elem3
{
driver.estim_params.init_val = $1;
}
| expression COMMA expression COMMA expression
| expression_or_empty COMMA expression_or_empty COMMA expression_or_empty
{
driver.estim_params.init_val = $1;
driver.estim_params.low_bound = $3;
@ -764,25 +768,25 @@ estimated_elem2 : prior COMMA estimated_elem3
}
;
estimated_elem3 : expression COMMA expression
estimated_elem3 : expression_or_empty COMMA expression_or_empty
{
driver.estim_params.mean = $1;
driver.estim_params.std = $3;
}
| expression COMMA expression COMMA expression
| expression_or_empty COMMA expression_or_empty COMMA expression_or_empty
{
driver.estim_params.mean = $1;
driver.estim_params.std = $3;
driver.estim_params.p3 = $5;
}
| expression COMMA expression COMMA expression COMMA expression
| expression_or_empty COMMA expression_or_empty COMMA expression_or_empty COMMA expression_or_empty
{
driver.estim_params.mean = $1;
driver.estim_params.std = $3;
driver.estim_params.p3 = $5;
driver.estim_params.p4 = $7;
}
| expression COMMA expression COMMA expression COMMA expression COMMA expression
| expression_or_empty COMMA expression_or_empty COMMA expression_or_empty COMMA expression_or_empty COMMA expression
{
driver.estim_params.mean = $1;
driver.estim_params.std = $3;