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Adds support for aliases. #4

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Adds support for aliases. #4

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1 change: 1 addition & 0 deletions src/vhd2vl.l
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,7 @@ void getbasedstring(unsigned skip);
"of" { return OF; }
"array" {return ARRAY; }
"signal" { return SIGNAL; }
"alias" { return ALIAS; }
"begin" { return BEGN; }
"not" { return NOT; }
"when" { return WHEN; }
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11 changes: 10 additions & 1 deletion src/vhd2vl.y
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Expand Up @@ -695,7 +695,7 @@ slist *emit_io_list(slist *sl)
%token <txt> REM ENTITY IS PORT GENERIC IN OUT INOUT MAP
%token <txt> INTEGER BIT BITVECT DOWNTO TO TYPE END
%token <txt> ARCHITECTURE COMPONENT OF ARRAY
%token <txt> SIGNAL BEGN NOT WHEN WITH EXIT
%token <txt> SIGNAL ALIAS BEGN NOT WHEN WITH EXIT
%token <txt> SELECT OTHERS PROCESS VARIABLE CONSTANT
%token <txt> IF THEN ELSIF ELSE CASE
%token <txt> FOR LOOP GENERATE
Expand Down Expand Up @@ -1224,6 +1224,15 @@ a_decl : {$$=NULL;}
p->next=type_list;
type_list=p;
}
| a_decl ALIAS NAME ':' type IS expr ';' rem {
slist * sl;
sl=addtxt($1,"alias ");
sl=addtxt(sl,$3);
sl=addtxt(sl," = ");
sl=addsl(sl,$7->sl);
sl=addtxt(sl,";\n");
$$=addsl(sl,$9);
}
| a_decl TYPE NAME IS ARRAY '(' vec_range ')' OF type ';' rem {
slist *sl=NULL;
sglist *p;
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