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literal matching: separate path for pure literal patterns

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Hong, Yang A
2019-01-09 06:00:55 +08:00
committed by Chang, Harry
parent 63e7d89fcc
commit f68723a606
17 changed files with 379 additions and 27 deletions
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33
src/rose/rose_build_bytecode.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2018, Intel Corporation
* Copyright (c) 2015-2019, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -2843,9 +2843,34 @@ vector<LitFragment> groupByFragment(const RoseBuildImpl &build) {
DEBUG_PRINTF("fragment candidate: lit_id=%u %s\n", lit_id,
dumpString(lit.s).c_str());
auto &fi = frag_info[getFragment(lit)];
fi.lit_ids.push_back(lit_id);
fi.groups |= groups;
/** 0:/xxabcdefgh/ */
/** 1:/yyabcdefgh/ */
/** 2:/yyabcdefgh.+/ */
// Above 3 patterns should firstly convert into RoseLiteralMap with
// 2 elements ("xxabcdefgh" and "yyabcdefgh"), then convert into
// LitFragment with 1 element ("abcdefgh"). Special care should be
// taken to handle the 'pure' flag during the conversion.
rose_literal_id lit_frag = getFragment(lit);
auto it = frag_info.find(lit_frag);
if (it != frag_info.end()) {
if (!lit_frag.s.get_pure() && it->first.s.get_pure()) {
struct FragmentInfo f_info = it->second;
f_info.lit_ids.push_back(lit_id);
f_info.groups |= groups;
frag_info.erase(it->first);
frag_info.emplace(lit_frag, f_info);
} else {
it->second.lit_ids.push_back(lit_id);
it->second.groups |= groups;
}
} else {
struct FragmentInfo f_info;
f_info.lit_ids.push_back(lit_id);
f_info.groups |= groups;
frag_info.emplace(lit_frag, f_info);
}
}
for (auto &m : frag_info) {