diff options
Diffstat (limited to 'common/idstring.cc')
-rw-r--r-- | common/idstring.cc | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/common/idstring.cc b/common/idstring.cc new file mode 100644 index 00000000..69af73de --- /dev/null +++ b/common/idstring.cc @@ -0,0 +1,51 @@ +/* + * nextpnr -- Next Generation Place and Route + * + * Copyright (C) 2018 Clifford Wolf <clifford@symbioticeda.com> + * Copyright (C) 2018 Serge Bazanski <q3k@symbioticeda.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "idstring.h" + +#include "basectx.h" + +NEXTPNR_NAMESPACE_BEGIN + +void IdString::set(const BaseCtx *ctx, const std::string &s) +{ + auto it = ctx->idstring_str_to_idx->find(s); + if (it == ctx->idstring_str_to_idx->end()) { + index = ctx->idstring_idx_to_str->size(); + auto insert_rc = ctx->idstring_str_to_idx->insert({s, index}); + ctx->idstring_idx_to_str->push_back(&insert_rc.first->first); + } else { + index = it->second; + } +} + +const std::string &IdString::str(const BaseCtx *ctx) const { return *ctx->idstring_idx_to_str->at(index); } + +const char *IdString::c_str(const BaseCtx *ctx) const { return str(ctx).c_str(); } + +void IdString::initialize_add(const BaseCtx *ctx, const char *s, int idx) +{ + NPNR_ASSERT(ctx->idstring_str_to_idx->count(s) == 0); + NPNR_ASSERT(int(ctx->idstring_idx_to_str->size()) == idx); + auto insert_rc = ctx->idstring_str_to_idx->insert({s, idx}); + ctx->idstring_idx_to_str->push_back(&insert_rc.first->first); +} + +NEXTPNR_NAMESPACE_END |