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Avoid declaring same function multiple times 

If it appears in multiple places in the hierarchy
This commit is contained in:
Nick Gasson 2008-07-04 12:03:37 +01:00
parent 19871efd5a
commit 3d0a2b55ce
1 changed files with 7 additions and 0 deletions
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7
tgt-vhdl/scope.cc
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@ -471,6 +471,13 @@ int draw_function(ivl_scope_t scope, ivl_scope_t parent)
const char *funcname = ivl_scope_tname(scope); const char *funcname = ivl_scope_tname(scope);
// Has this function been declared already?
// (draw_function will be invoked multiple times for
// the same function if it appears multiple times in
// the design hierarchy)
if (ent->get_arch()->get_scope()->have_declared(funcname))
return 0;
// The return type is worked out from the output port // The return type is worked out from the output port
vhdl_function *func = new vhdl_function(funcname, NULL); vhdl_function *func = new vhdl_function(funcname, NULL);