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Merge pull request #610 from udif/udif_specify_round2

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More specify/endspecify fixes
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Clifford Wolf 2018-08-23 14:43:25 +02:00 • committed by GitHub
commit 4d269f9b25
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1 changed files with 39 additions and 16 deletions
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55
frontends/verilog/verilog_parser.y
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@ -654,7 +654,7 @@ specify_item:
// | pulsestyle_declaration // | pulsestyle_declaration
// | showcancelled_declaration // | showcancelled_declaration
| path_declaration | path_declaration
// | system_timing_declaration | system_timing_declaration
; ;
specparam_declaration: specparam_declaration:
@ -682,22 +682,23 @@ showcancelled_declaration :
*/ */
path_declaration : path_declaration :
simple_path_declaration simple_path_declaration ';'
// | edge_sensitive_path_declaration // | edge_sensitive_path_declaration
// | state_dependent_path_declaration // | state_dependent_path_declaration
; ;
simple_path_declaration : simple_path_declaration :
parallel_path_description '=' path_delay_value ';' parallel_path_description '=' path_delay_value |
// | full_path_description '=' path_delay_value ';' full_path_description '=' path_delay_value
; ;
path_delay_value : path_delay_value :
//list_of_path_delay_expressions '(' path_delay_expression list_of_path_delay_extra_expressions ')'
'(' list_of_path_delay_expressions ')' | path_delay_expression
| path_delay_expression list_of_path_delay_extra_expressions
; ;
list_of_path_delay_expressions : list_of_path_delay_extra_expressions :
/* /*
t_path_delay_expression t_path_delay_expression
| trise_path_delay_expression ',' tfall_path_delay_expression | trise_path_delay_expression ',' tfall_path_delay_expression
@ -709,12 +710,11 @@ list_of_path_delay_expressions :
t0x_path_delay_expression ',' tx1_path_delay_expression ',' t1x_path_delay_expression ',' t0x_path_delay_expression ',' tx1_path_delay_expression ',' t1x_path_delay_expression ','
tx0_path_delay_expression ',' txz_path_delay_expression ',' tzx_path_delay_expression tx0_path_delay_expression ',' txz_path_delay_expression ',' tzx_path_delay_expression
*/ */
path_delay_expression ',' path_delay_expression
| path_delay_expression ',' path_delay_expression | ',' path_delay_expression ',' path_delay_expression
| path_delay_expression ',' path_delay_expression ',' path_delay_expression | ',' path_delay_expression ',' path_delay_expression ','
| path_delay_expression ',' path_delay_expression ',' path_delay_expression ','
path_delay_expression ',' path_delay_expression ',' path_delay_expression path_delay_expression ',' path_delay_expression ',' path_delay_expression
| path_delay_expression ',' path_delay_expression ',' path_delay_expression ',' | ',' path_delay_expression ',' path_delay_expression ','
path_delay_expression ',' path_delay_expression ',' path_delay_expression ',' path_delay_expression ',' path_delay_expression ',' path_delay_expression ','
path_delay_expression ',' path_delay_expression ',' path_delay_expression ',' path_delay_expression ',' path_delay_expression ',' path_delay_expression ','
path_delay_expression ',' path_delay_expression ',' path_delay_expression path_delay_expression ',' path_delay_expression ',' path_delay_expression
@ -723,6 +723,22 @@ list_of_path_delay_expressions :
parallel_path_description : parallel_path_description :
'(' specify_input_terminal_descriptor opt_polarity_operator '=' '>' specify_output_terminal_descriptor ')' ; '(' specify_input_terminal_descriptor opt_polarity_operator '=' '>' specify_output_terminal_descriptor ')' ;
full_path_description :
'(' list_of_path_inputs '*' '>' list_of_path_outputs ')' ;
// This was broken into 2 rules to solve shift/reduce conflicts
list_of_path_inputs :
specify_input_terminal_descriptor opt_polarity_operator |
specify_input_terminal_descriptor more_path_inputs opt_polarity_operator ;
more_path_inputs :
',' specify_input_terminal_descriptor |
more_path_inputs ',' specify_input_terminal_descriptor ;
list_of_path_outputs :
specify_output_terminal_descriptor |
list_of_path_outputs ',' specify_output_terminal_descriptor ;
opt_polarity_operator : opt_polarity_operator :
'+' '+'
| '-' | '-'
@ -736,11 +752,18 @@ specify_input_terminal_descriptor :
specify_output_terminal_descriptor : specify_output_terminal_descriptor :
TOK_ID ; TOK_ID ;
/*
system_timing_declaration : system_timing_declaration :
; TOK_ID '(' system_timing_args ')' ';' ;
*/
system_timing_arg :
TOK_POSEDGE TOK_ID |
TOK_NEGEDGE TOK_ID |
expr ;
system_timing_args :
system_timing_arg |
system_timing_args ',' system_timing_arg ;
/* /*
t_path_delay_expression : t_path_delay_expression :
path_delay_expression; path_delay_expression;
@ -792,7 +815,7 @@ tzx_path_delay_expression :
*/ */
path_delay_expression : path_delay_expression :
constant_mintypmax_expression; constant_expression;
constant_mintypmax_expression : constant_mintypmax_expression :
constant_expression constant_expression