split out instruction details to own files

CMakeLists.txt

@@ -955,6 +955,8 @@ SET (hs_SRCS
     src/rose/rose_build_impl.h
     src/rose/rose_build_infix.cpp
     src/rose/rose_build_infix.h
+    src/rose/rose_build_instructions.cpp
+    src/rose/rose_build_instructions.h
     src/rose/rose_build_lit_accel.cpp
     src/rose/rose_build_lit_accel.h
     src/rose/rose_build_long_lit.cpp

src/rose/rose_build_bytecode.cpp

@@ -38,6 +38,7 @@
 #include "rose_build_exclusive.h"
 #include "rose_build_groups.h"
 #include "rose_build_infix.h"
+#include "rose_build_instructions.h"
 #include "rose_build_long_lit.h"
 #include "rose_build_lookaround.h"
 #include "rose_build_matchers.h"

src/rose/rose_build_instructions.cpp

@@ -0,0 +1,616 @@
+/*
+ * Copyright (c) 2017, Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *  * Neither the name of Intel Corporation nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "rose_build_instructions.h"
+
+#include "rose_build_engine_blob.h"
+#include "util/multibit_build.h"
+#include "util/verify_types.h"
+
+#include <algorithm>
+
+using namespace std;
+
+namespace ue2 {
+/* Destructors to avoid weak vtables. */
+
+RoseInstruction::~RoseInstruction() = default;
+RoseInstrCatchUp::~RoseInstrCatchUp() = default;
+RoseInstrCatchUpMpv::~RoseInstrCatchUpMpv() = default;
+RoseInstrSomZero::~RoseInstrSomZero() = default;
+RoseInstrSuffixesEod::~RoseInstrSuffixesEod() = default;
+RoseInstrMatcherEod::~RoseInstrMatcherEod() = default;
+RoseInstrEnd::~RoseInstrEnd() = default;
+RoseInstrClearWorkDone::~RoseInstrClearWorkDone() = default;
+
+using OffsetMap = RoseInstruction::OffsetMap;
+
+static
+u32 calc_jump(const OffsetMap &offset_map, const RoseInstruction *from,
+              const RoseInstruction *to) {
+    DEBUG_PRINTF("computing relative jump from %p to %p\n", from, to);
+    assert(from && contains(offset_map, from));
+    assert(to && contains(offset_map, to));
+
+    u32 from_offset = offset_map.at(from);
+    u32 to_offset = offset_map.at(to);
+    DEBUG_PRINTF("offsets: %u -> %u\n", from_offset, to_offset);
+    assert(from_offset <= to_offset);
+
+    return to_offset - from_offset;
+}
+
+void RoseInstrAnchoredDelay::write(void *dest, RoseEngineBlob &blob,
+                                   const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->groups = groups;
+    inst->anch_id = anch_id;
+    inst->done_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckLitEarly::write(void *dest, RoseEngineBlob &blob,
+                                   const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->min_offset = min_offset;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckGroups::write(void *dest, RoseEngineBlob &blob,
+                                 const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->groups = groups;
+}
+
+void RoseInstrCheckOnlyEod::write(void *dest, RoseEngineBlob &blob,
+                                  const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckBounds::write(void *dest, RoseEngineBlob &blob,
+                                 const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->min_bound = min_bound;
+    inst->max_bound = max_bound;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckNotHandled::write(void *dest, RoseEngineBlob &blob,
+                                     const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->key = key;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckSingleLookaround::write(void *dest, RoseEngineBlob &blob,
+                                           const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->offset = offset;
+    inst->reach_index = reach_index;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckLookaround::write(void *dest, RoseEngineBlob &blob,
+                                     const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->look_index = look_index;
+    inst->reach_index = reach_index;
+    inst->count = count;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckMask::write(void *dest, RoseEngineBlob &blob,
+                               const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->and_mask = and_mask;
+    inst->cmp_mask = cmp_mask;
+    inst->neg_mask = neg_mask;
+    inst->offset = offset;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckMask32::write(void *dest, RoseEngineBlob &blob,
+                                 const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    copy(begin(and_mask), end(and_mask), inst->and_mask);
+    copy(begin(cmp_mask), end(cmp_mask), inst->cmp_mask);
+    inst->neg_mask = neg_mask;
+    inst->offset = offset;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckByte::write(void *dest, RoseEngineBlob &blob,
+                               const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->and_mask = and_mask;
+    inst->cmp_mask = cmp_mask;
+    inst->negation = negation;
+    inst->offset = offset;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckShufti16x8::write(void *dest, RoseEngineBlob &blob,
+                                     const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    copy(begin(nib_mask), end(nib_mask), inst->nib_mask);
+    copy(begin(bucket_select_mask), end(bucket_select_mask),
+         inst->bucket_select_mask);
+    inst->neg_mask = neg_mask;
+    inst->offset = offset;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckShufti32x8::write(void *dest, RoseEngineBlob &blob,
+                                     const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    copy(begin(hi_mask), end(hi_mask), inst->hi_mask);
+    copy(begin(lo_mask), end(lo_mask), inst->lo_mask);
+    copy(begin(bucket_select_mask), end(bucket_select_mask),
+         inst->bucket_select_mask);
+
+    inst->neg_mask = neg_mask;
+    inst->offset = offset;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckShufti16x16::write(void *dest, RoseEngineBlob &blob,
+                                      const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    copy(begin(hi_mask), end(hi_mask), inst->hi_mask);
+    copy(begin(lo_mask), end(lo_mask), inst->lo_mask);
+    copy(begin(bucket_select_mask), end(bucket_select_mask),
+         inst->bucket_select_mask);
+    inst->neg_mask = neg_mask;
+    inst->offset = offset;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckShufti32x16::write(void *dest, RoseEngineBlob &blob,
+                                      const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    copy(begin(hi_mask), end(hi_mask), inst->hi_mask);
+    copy(begin(lo_mask), end(lo_mask), inst->lo_mask);
+    copy(begin(bucket_select_mask_hi), end(bucket_select_mask_hi),
+         inst->bucket_select_mask_hi);
+    copy(begin(bucket_select_mask_lo), end(bucket_select_mask_lo),
+         inst->bucket_select_mask_lo);
+    inst->neg_mask = neg_mask;
+    inst->offset = offset;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckInfix::write(void *dest, RoseEngineBlob &blob,
+                                const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->queue = queue;
+    inst->lag = lag;
+    inst->report = report;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckPrefix::write(void *dest, RoseEngineBlob &blob,
+                                 const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->queue = queue;
+    inst->lag = lag;
+    inst->report = report;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrPushDelayed::write(void *dest, RoseEngineBlob &blob,
+                                 const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->delay = delay;
+    inst->index = index;
+}
+
+void RoseInstrSomAdjust::write(void *dest, RoseEngineBlob &blob,
+                               const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->distance = distance;
+}
+
+void RoseInstrSomLeftfix::write(void *dest, RoseEngineBlob &blob,
+                                const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->queue = queue;
+    inst->lag = lag;
+}
+
+void RoseInstrSomFromReport::write(void *dest, RoseEngineBlob &blob,
+                                   const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->som = som;
+}
+
+void RoseInstrTriggerInfix::write(void *dest, RoseEngineBlob &blob,
+                                  const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->cancel = cancel;
+    inst->queue = queue;
+    inst->event = event;
+}
+
+void RoseInstrTriggerSuffix::write(void *dest, RoseEngineBlob &blob,
+                                   const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->queue = queue;
+    inst->event = event;
+}
+
+void RoseInstrDedupe::write(void *dest, RoseEngineBlob &blob,
+                            const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->quash_som = quash_som;
+    inst->dkey = dkey;
+    inst->offset_adjust = offset_adjust;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrDedupeSom::write(void *dest, RoseEngineBlob &blob,
+                               const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->quash_som = quash_som;
+    inst->dkey = dkey;
+    inst->offset_adjust = offset_adjust;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrReportChain::write(void *dest, RoseEngineBlob &blob,
+                                 const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->event = event;
+    inst->top_squash_distance = top_squash_distance;
+}
+
+void RoseInstrReportSomInt::write(void *dest, RoseEngineBlob &blob,
+                                  const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->som = som;
+}
+
+void RoseInstrReportSomAware::write(void *dest, RoseEngineBlob &blob,
+                                    const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->som = som;
+}
+
+void RoseInstrReport::write(void *dest, RoseEngineBlob &blob,
+                            const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->onmatch = onmatch;
+    inst->offset_adjust = offset_adjust;
+}
+
+void RoseInstrReportExhaust::write(void *dest, RoseEngineBlob &blob,
+                                   const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->onmatch = onmatch;
+    inst->offset_adjust = offset_adjust;
+    inst->ekey = ekey;
+}
+
+void RoseInstrReportSom::write(void *dest, RoseEngineBlob &blob,
+                               const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->onmatch = onmatch;
+    inst->offset_adjust = offset_adjust;
+}
+
+void RoseInstrReportSomExhaust::write(void *dest, RoseEngineBlob &blob,
+                                      const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->onmatch = onmatch;
+    inst->offset_adjust = offset_adjust;
+    inst->ekey = ekey;
+}
+
+void RoseInstrDedupeAndReport::write(void *dest, RoseEngineBlob &blob,
+                                     const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->quash_som = quash_som;
+    inst->dkey = dkey;
+    inst->onmatch = onmatch;
+    inst->offset_adjust = offset_adjust;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrFinalReport::write(void *dest, RoseEngineBlob &blob,
+                                 const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->onmatch = onmatch;
+    inst->offset_adjust = offset_adjust;
+}
+
+void RoseInstrCheckExhausted::write(void *dest, RoseEngineBlob &blob,
+                                    const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->ekey = ekey;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckMinLength::write(void *dest, RoseEngineBlob &blob,
+                                    const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->end_adj = end_adj;
+    inst->min_length = min_length;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrSetState::write(void *dest, RoseEngineBlob &blob,
+                              const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->index = index;
+}
+
+void RoseInstrSetGroups::write(void *dest, RoseEngineBlob &blob,
+                              const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->groups = groups;
+}
+
+void RoseInstrSquashGroups::write(void *dest, RoseEngineBlob &blob,
+                                  const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->groups = groups;
+}
+
+void RoseInstrCheckState::write(void *dest, RoseEngineBlob &blob,
+                                const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->index = index;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrSparseIterBegin::write(void *dest, RoseEngineBlob &blob,
+                                     const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->fail_jump = calc_jump(offset_map, this, target);
+
+    // Resolve and write the multibit sparse iterator and the jump table.
+    vector<u32> keys;
+    vector<u32> jump_offsets;
+    for (const auto &jump : jump_table) {
+        keys.push_back(jump.first);
+        assert(contains(offset_map, jump.second));
+        jump_offsets.push_back(offset_map.at(jump.second));
+    }
+
+    auto iter = mmbBuildSparseIterator(keys, num_keys);
+    assert(!iter.empty());
+    inst->iter_offset = blob.add_iterator(iter);
+    inst->jump_table = blob.add(jump_offsets.begin(), jump_offsets.end());
+
+    // Store offsets for corresponding SPARSE_ITER_NEXT operations.
+    is_written = true;
+    iter_offset = inst->iter_offset;
+    jump_table_offset = inst->jump_table;
+}
+
+void RoseInstrSparseIterNext::write(void *dest, RoseEngineBlob &blob,
+                                    const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->state = state;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+
+    // Use the same sparse iterator and jump table as the SPARSE_ITER_BEGIN
+    // instruction.
+    assert(begin);
+    assert(contains(offset_map, begin));
+    assert(begin->is_written);
+    inst->iter_offset = begin->iter_offset;
+    inst->jump_table = begin->jump_table_offset;
+}
+
+void RoseInstrSparseIterAny::write(void *dest, RoseEngineBlob &blob,
+                                   const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->fail_jump = calc_jump(offset_map, this, target);
+
+    // Write the multibit sparse iterator.
+    auto iter = mmbBuildSparseIterator(keys, num_keys);
+    assert(!iter.empty());
+    inst->iter_offset = blob.add_iterator(iter);
+}
+
+void RoseInstrEnginesEod::write(void *dest, RoseEngineBlob &blob,
+                                const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->iter_offset = iter_offset;
+}
+
+void RoseInstrCheckLongLit::write(void *dest, RoseEngineBlob &blob,
+                                  const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    assert(!literal.empty());
+    inst->lit_offset = blob.add(literal.c_str(), literal.size(), 1);
+    inst->lit_length = verify_u32(literal.size());
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckLongLitNocase::write(void *dest, RoseEngineBlob &blob,
+                                        const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    assert(!literal.empty());
+    inst->lit_offset = blob.add(literal.c_str(), literal.size(), 1);
+    inst->lit_length = verify_u32(literal.size());
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckMedLit::write(void *dest, RoseEngineBlob &blob,
+                                 const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    assert(!literal.empty());
+    inst->lit_offset = blob.add(literal.c_str(), literal.size(), 1);
+    inst->lit_length = verify_u32(literal.size());
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckMedLitNocase::write(void *dest, RoseEngineBlob &blob,
+                                       const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    assert(!literal.empty());
+    inst->lit_offset = blob.add(literal.c_str(), literal.size(), 1);
+    inst->lit_length = verify_u32(literal.size());
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrMultipathLookaround::write(void *dest, RoseEngineBlob &blob,
+                                         const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    inst->look_index = look_index;
+    inst->reach_index = reach_index;
+    inst->count = count;
+    inst->last_start = last_start;
+    copy(begin(start_mask), end(start_mask), inst->start_mask);
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckMultipathShufti16x8::write(void *dest, RoseEngineBlob &blob,
+                                          const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    copy(begin(nib_mask), end(nib_mask), inst->nib_mask);
+    copy(begin(bucket_select_mask), begin(bucket_select_mask) + 16,
+         inst->bucket_select_mask);
+    copy(begin(data_select_mask), begin(data_select_mask) + 16,
+         inst->data_select_mask);
+    inst->hi_bits_mask = hi_bits_mask;
+    inst->lo_bits_mask = lo_bits_mask;
+    inst->neg_mask = neg_mask;
+    inst->base_offset = base_offset;
+    inst->last_start = last_start;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckMultipathShufti32x8::write(void *dest, RoseEngineBlob &blob,
+                                          const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    copy(begin(hi_mask), begin(hi_mask) + 16, inst->hi_mask);
+    copy(begin(lo_mask), begin(lo_mask) + 16, inst->lo_mask);
+    copy(begin(bucket_select_mask), begin(bucket_select_mask) + 32,
+         inst->bucket_select_mask);
+    copy(begin(data_select_mask), begin(data_select_mask) + 32,
+         inst->data_select_mask);
+    inst->hi_bits_mask = hi_bits_mask;
+    inst->lo_bits_mask = lo_bits_mask;
+    inst->neg_mask = neg_mask;
+    inst->base_offset = base_offset;
+    inst->last_start = last_start;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckMultipathShufti32x16::write(void *dest, RoseEngineBlob &blob,
+                                           const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    copy(begin(hi_mask), end(hi_mask), inst->hi_mask);
+    copy(begin(lo_mask), end(lo_mask), inst->lo_mask);
+    copy(begin(bucket_select_mask_hi), begin(bucket_select_mask_hi) + 32,
+         inst->bucket_select_mask_hi);
+    copy(begin(bucket_select_mask_lo), begin(bucket_select_mask_lo) + 32,
+         inst->bucket_select_mask_lo);
+    copy(begin(data_select_mask), begin(data_select_mask) + 32,
+         inst->data_select_mask);
+    inst->hi_bits_mask = hi_bits_mask;
+    inst->lo_bits_mask = lo_bits_mask;
+    inst->neg_mask = neg_mask;
+    inst->base_offset = base_offset;
+    inst->last_start = last_start;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+void RoseInstrCheckMultipathShufti64::write(void *dest, RoseEngineBlob &blob,
+                                            const OffsetMap &offset_map) const {
+    RoseInstrBase::write(dest, blob, offset_map);
+    auto *inst = static_cast<impl_type *>(dest);
+    copy(begin(hi_mask), begin(hi_mask) + 16, inst->hi_mask);
+    copy(begin(lo_mask), begin(lo_mask) + 16, inst->lo_mask);
+    copy(begin(bucket_select_mask), end(bucket_select_mask),
+         inst->bucket_select_mask);
+    copy(begin(data_select_mask), end(data_select_mask),
+         inst->data_select_mask);
+    inst->hi_bits_mask = hi_bits_mask;
+    inst->lo_bits_mask = lo_bits_mask;
+    inst->neg_mask = neg_mask;
+    inst->base_offset = base_offset;
+    inst->last_start = last_start;
+    inst->fail_jump = calc_jump(offset_map, this, target);
+}
+
+}

src/rose/rose_build_program.cpp

@@ -26,11 +26,9 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "rose_build_engine_blob.h"
 #include "rose_build_program.h"
-#include "util/container.h"
-#include "util/multibit_build.h"
-#include "util/verify_types.h"
+
+#include "rose_build_instructions.h"
 
 #include <algorithm>
 #include <cstring>
@@ -39,584 +37,8 @@ using namespace std;
 
 namespace ue2 {
 
-/* Destructors to avoid weak vtables. */
-
-RoseInstruction::~RoseInstruction() = default;
-RoseInstrCatchUp::~RoseInstrCatchUp() = default;
-RoseInstrCatchUpMpv::~RoseInstrCatchUpMpv() = default;
-RoseInstrSomZero::~RoseInstrSomZero() = default;
-RoseInstrSuffixesEod::~RoseInstrSuffixesEod() = default;
-RoseInstrMatcherEod::~RoseInstrMatcherEod() = default;
-RoseInstrEnd::~RoseInstrEnd() = default;
-RoseInstrClearWorkDone::~RoseInstrClearWorkDone() = default;
-
 using OffsetMap = RoseInstruction::OffsetMap;
 
-static
-u32 calc_jump(const OffsetMap &offset_map, const RoseInstruction *from,
-              const RoseInstruction *to) {
-    DEBUG_PRINTF("computing relative jump from %p to %p\n", from, to);
-    assert(from && contains(offset_map, from));
-    assert(to && contains(offset_map, to));
-
-    u32 from_offset = offset_map.at(from);
-    u32 to_offset = offset_map.at(to);
-    DEBUG_PRINTF("offsets: %u -> %u\n", from_offset, to_offset);
-    assert(from_offset <= to_offset);
-
-    return to_offset - from_offset;
-}
-
-void RoseInstrAnchoredDelay::write(void *dest, RoseEngineBlob &blob,
-                                   const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->groups = groups;
-    inst->anch_id = anch_id;
-    inst->done_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckLitEarly::write(void *dest, RoseEngineBlob &blob,
-                                  const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->min_offset = min_offset;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckGroups::write(void *dest, RoseEngineBlob &blob,
-                                 const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->groups = groups;
-}
-
-void RoseInstrCheckOnlyEod::write(void *dest, RoseEngineBlob &blob,
-                                  const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckBounds::write(void *dest, RoseEngineBlob &blob,
-                                 const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->min_bound = min_bound;
-    inst->max_bound = max_bound;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckNotHandled::write(void *dest, RoseEngineBlob &blob,
-                                     const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->key = key;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckSingleLookaround::write(void *dest, RoseEngineBlob &blob,
-                                           const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->offset = offset;
-    inst->reach_index = reach_index;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckLookaround::write(void *dest, RoseEngineBlob &blob,
-                                     const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->look_index = look_index;
-    inst->reach_index = reach_index;
-    inst->count = count;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckMask::write(void *dest, RoseEngineBlob &blob,
-                               const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->and_mask = and_mask;
-    inst->cmp_mask = cmp_mask;
-    inst->neg_mask = neg_mask;
-    inst->offset = offset;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckMask32::write(void *dest, RoseEngineBlob &blob,
-                                 const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    copy(begin(and_mask), end(and_mask), inst->and_mask);
-    copy(begin(cmp_mask), end(cmp_mask), inst->cmp_mask);
-    inst->neg_mask = neg_mask;
-    inst->offset = offset;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckByte::write(void *dest, RoseEngineBlob &blob,
-                               const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->and_mask = and_mask;
-    inst->cmp_mask = cmp_mask;
-    inst->negation = negation;
-    inst->offset = offset;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckShufti16x8::write(void *dest, RoseEngineBlob &blob,
-                                     const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    copy(begin(nib_mask), end(nib_mask), inst->nib_mask);
-    copy(begin(bucket_select_mask), end(bucket_select_mask),
-         inst->bucket_select_mask);
-    inst->neg_mask = neg_mask;
-    inst->offset = offset;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckShufti32x8::write(void *dest, RoseEngineBlob &blob,
-                                     const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    copy(begin(hi_mask), end(hi_mask), inst->hi_mask);
-    copy(begin(lo_mask), end(lo_mask), inst->lo_mask);
-    copy(begin(bucket_select_mask), end(bucket_select_mask),
-         inst->bucket_select_mask);
-
-    inst->neg_mask = neg_mask;
-    inst->offset = offset;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckShufti16x16::write(void *dest, RoseEngineBlob &blob,
-                                     const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    copy(begin(hi_mask), end(hi_mask), inst->hi_mask);
-    copy(begin(lo_mask), end(lo_mask), inst->lo_mask);
-    copy(begin(bucket_select_mask), end(bucket_select_mask),
-         inst->bucket_select_mask);
-    inst->neg_mask = neg_mask;
-    inst->offset = offset;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckShufti32x16::write(void *dest, RoseEngineBlob &blob,
-                                     const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    copy(begin(hi_mask), end(hi_mask), inst->hi_mask);
-    copy(begin(lo_mask), end(lo_mask), inst->lo_mask);
-    copy(begin(bucket_select_mask_hi), end(bucket_select_mask_hi),
-         inst->bucket_select_mask_hi);
-    copy(begin(bucket_select_mask_lo), end(bucket_select_mask_lo),
-         inst->bucket_select_mask_lo);
-    inst->neg_mask = neg_mask;
-    inst->offset = offset;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckInfix::write(void *dest, RoseEngineBlob &blob,
-                                const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->queue = queue;
-    inst->lag = lag;
-    inst->report = report;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckPrefix::write(void *dest, RoseEngineBlob &blob,
-                                 const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->queue = queue;
-    inst->lag = lag;
-    inst->report = report;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrPushDelayed::write(void *dest, RoseEngineBlob &blob,
-                                 const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->delay = delay;
-    inst->index = index;
-}
-
-void RoseInstrSomAdjust::write(void *dest, RoseEngineBlob &blob,
-                               const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->distance = distance;
-}
-
-void RoseInstrSomLeftfix::write(void *dest, RoseEngineBlob &blob,
-                                const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->queue = queue;
-    inst->lag = lag;
-}
-
-void RoseInstrSomFromReport::write(void *dest, RoseEngineBlob &blob,
-                                   const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->som = som;
-}
-
-void RoseInstrTriggerInfix::write(void *dest, RoseEngineBlob &blob,
-                                  const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->cancel = cancel;
-    inst->queue = queue;
-    inst->event = event;
-}
-
-void RoseInstrTriggerSuffix::write(void *dest, RoseEngineBlob &blob,
-                                   const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->queue = queue;
-    inst->event = event;
-}
-
-void RoseInstrDedupe::write(void *dest, RoseEngineBlob &blob,
-                            const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->quash_som = quash_som;
-    inst->dkey = dkey;
-    inst->offset_adjust = offset_adjust;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrDedupeSom::write(void *dest, RoseEngineBlob &blob,
-                               const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->quash_som = quash_som;
-    inst->dkey = dkey;
-    inst->offset_adjust = offset_adjust;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrReportChain::write(void *dest, RoseEngineBlob &blob,
-                                 const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->event = event;
-    inst->top_squash_distance = top_squash_distance;
-}
-
-void RoseInstrReportSomInt::write(void *dest, RoseEngineBlob &blob,
-                                 const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->som = som;
-}
-
-void RoseInstrReportSomAware::write(void *dest, RoseEngineBlob &blob,
-                                    const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->som = som;
-}
-
-void RoseInstrReport::write(void *dest, RoseEngineBlob &blob,
-                            const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->onmatch = onmatch;
-    inst->offset_adjust = offset_adjust;
-}
-
-void RoseInstrReportExhaust::write(void *dest, RoseEngineBlob &blob,
-                                   const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->onmatch = onmatch;
-    inst->offset_adjust = offset_adjust;
-    inst->ekey = ekey;
-}
-
-void RoseInstrReportSom::write(void *dest, RoseEngineBlob &blob,
-                               const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->onmatch = onmatch;
-    inst->offset_adjust = offset_adjust;
-}
-
-void RoseInstrReportSomExhaust::write(void *dest, RoseEngineBlob &blob,
-                                      const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->onmatch = onmatch;
-    inst->offset_adjust = offset_adjust;
-    inst->ekey = ekey;
-}
-
-void RoseInstrDedupeAndReport::write(void *dest, RoseEngineBlob &blob,
-                                     const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->quash_som = quash_som;
-    inst->dkey = dkey;
-    inst->onmatch = onmatch;
-    inst->offset_adjust = offset_adjust;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrFinalReport::write(void *dest, RoseEngineBlob &blob,
-                                 const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->onmatch = onmatch;
-    inst->offset_adjust = offset_adjust;
-}
-
-void RoseInstrCheckExhausted::write(void *dest, RoseEngineBlob &blob,
-                                    const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->ekey = ekey;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckMinLength::write(void *dest, RoseEngineBlob &blob,
-                                    const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->end_adj = end_adj;
-    inst->min_length = min_length;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrSetState::write(void *dest, RoseEngineBlob &blob,
-                              const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->index = index;
-}
-
-void RoseInstrSetGroups::write(void *dest, RoseEngineBlob &blob,
-                              const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->groups = groups;
-}
-
-void RoseInstrSquashGroups::write(void *dest, RoseEngineBlob &blob,
-                                  const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->groups = groups;
-}
-
-void RoseInstrCheckState::write(void *dest, RoseEngineBlob &blob,
-                                const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->index = index;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrSparseIterBegin::write(void *dest, RoseEngineBlob &blob,
-                                     const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->fail_jump = calc_jump(offset_map, this, target);
-
-    // Resolve and write the multibit sparse iterator and the jump table.
-    vector<u32> keys;
-    vector<u32> jump_offsets;
-    for (const auto &jump : jump_table) {
-        keys.push_back(jump.first);
-        assert(contains(offset_map, jump.second));
-        jump_offsets.push_back(offset_map.at(jump.second));
-    }
-
-    auto iter = mmbBuildSparseIterator(keys, num_keys);
-    assert(!iter.empty());
-    inst->iter_offset = blob.add_iterator(iter);
-    inst->jump_table = blob.add(jump_offsets.begin(), jump_offsets.end());
-
-    // Store offsets for corresponding SPARSE_ITER_NEXT operations.
-    is_written = true;
-    iter_offset = inst->iter_offset;
-    jump_table_offset = inst->jump_table;
-}
-
-void RoseInstrSparseIterNext::write(void *dest, RoseEngineBlob &blob,
-                                    const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->state = state;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-
-    // Use the same sparse iterator and jump table as the SPARSE_ITER_BEGIN
-    // instruction.
-    assert(begin);
-    assert(contains(offset_map, begin));
-    assert(begin->is_written);
-    inst->iter_offset = begin->iter_offset;
-    inst->jump_table = begin->jump_table_offset;
-}
-
-void RoseInstrSparseIterAny::write(void *dest, RoseEngineBlob &blob,
-                                   const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->fail_jump = calc_jump(offset_map, this, target);
-
-    // Write the multibit sparse iterator.
-    auto iter = mmbBuildSparseIterator(keys, num_keys);
-    assert(!iter.empty());
-    inst->iter_offset = blob.add_iterator(iter);
-}
-
-void RoseInstrEnginesEod::write(void *dest, RoseEngineBlob &blob,
-                                const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->iter_offset = iter_offset;
-}
-
-void RoseInstrCheckLongLit::write(void *dest, RoseEngineBlob &blob,
-                                  const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    assert(!literal.empty());
-    inst->lit_offset = blob.add(literal.c_str(), literal.size(), 1);
-    inst->lit_length = verify_u32(literal.size());
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckLongLitNocase::write(void *dest, RoseEngineBlob &blob,
-                                        const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    assert(!literal.empty());
-    inst->lit_offset = blob.add(literal.c_str(), literal.size(), 1);
-    inst->lit_length = verify_u32(literal.size());
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckMedLit::write(void *dest, RoseEngineBlob &blob,
-                                 const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    assert(!literal.empty());
-    inst->lit_offset = blob.add(literal.c_str(), literal.size(), 1);
-    inst->lit_length = verify_u32(literal.size());
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckMedLitNocase::write(void *dest, RoseEngineBlob &blob,
-                                       const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    assert(!literal.empty());
-    inst->lit_offset = blob.add(literal.c_str(), literal.size(), 1);
-    inst->lit_length = verify_u32(literal.size());
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrMultipathLookaround::write(void *dest, RoseEngineBlob &blob,
-                                         const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    inst->look_index = look_index;
-    inst->reach_index = reach_index;
-    inst->count = count;
-    inst->last_start = last_start;
-    copy(begin(start_mask), end(start_mask), inst->start_mask);
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckMultipathShufti16x8::write(void *dest, RoseEngineBlob &blob,
-                                              const OffsetMap &offset_map)
-     const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    copy(begin(nib_mask), end(nib_mask), inst->nib_mask);
-    copy(begin(bucket_select_mask), begin(bucket_select_mask) + 16,
-         inst->bucket_select_mask);
-    copy(begin(data_select_mask), begin(data_select_mask) + 16,
-         inst->data_select_mask);
-    inst->hi_bits_mask = hi_bits_mask;
-    inst->lo_bits_mask = lo_bits_mask;
-    inst->neg_mask = neg_mask;
-    inst->base_offset = base_offset;
-    inst->last_start = last_start;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckMultipathShufti32x8::write(void *dest, RoseEngineBlob &blob,
-                                              const OffsetMap &offset_map)
-     const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    copy(begin(hi_mask), begin(hi_mask) + 16, inst->hi_mask);
-    copy(begin(lo_mask), begin(lo_mask) + 16, inst->lo_mask);
-    copy(begin(bucket_select_mask), begin(bucket_select_mask) + 32,
-         inst->bucket_select_mask);
-    copy(begin(data_select_mask), begin(data_select_mask) + 32,
-         inst->data_select_mask);
-    inst->hi_bits_mask = hi_bits_mask;
-    inst->lo_bits_mask = lo_bits_mask;
-    inst->neg_mask = neg_mask;
-    inst->base_offset = base_offset;
-    inst->last_start = last_start;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckMultipathShufti32x16::write(void *dest, RoseEngineBlob &blob,
-                                           const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    copy(begin(hi_mask), end(hi_mask), inst->hi_mask);
-    copy(begin(lo_mask), end(lo_mask), inst->lo_mask);
-    copy(begin(bucket_select_mask_hi), begin(bucket_select_mask_hi) + 32,
-         inst->bucket_select_mask_hi);
-    copy(begin(bucket_select_mask_lo), begin(bucket_select_mask_lo) + 32,
-         inst->bucket_select_mask_lo);
-    copy(begin(data_select_mask), begin(data_select_mask) + 32,
-         inst->data_select_mask);
-    inst->hi_bits_mask = hi_bits_mask;
-    inst->lo_bits_mask = lo_bits_mask;
-    inst->neg_mask = neg_mask;
-    inst->base_offset = base_offset;
-    inst->last_start = last_start;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
-void RoseInstrCheckMultipathShufti64::write(void *dest, RoseEngineBlob &blob,
-                                            const OffsetMap &offset_map) const {
-    RoseInstrBase::write(dest, blob, offset_map);
-    auto *inst = static_cast<impl_type *>(dest);
-    copy(begin(hi_mask), begin(hi_mask) + 16, inst->hi_mask);
-    copy(begin(lo_mask), begin(lo_mask) + 16, inst->lo_mask);
-    copy(begin(bucket_select_mask), end(bucket_select_mask),
-         inst->bucket_select_mask);
-    copy(begin(data_select_mask), end(data_select_mask),
-         inst->data_select_mask);
-    inst->hi_bits_mask = hi_bits_mask;
-    inst->lo_bits_mask = lo_bits_mask;
-    inst->neg_mask = neg_mask;
-    inst->base_offset = base_offset;
-    inst->last_start = last_start;
-    inst->fail_jump = calc_jump(offset_map, this, target);
-}
-
 static
 OffsetMap makeOffsetMap(const RoseProgram &program, u32 *total_len) {
     OffsetMap offset_map;
@@ -633,9 +55,114 @@ OffsetMap makeOffsetMap(const RoseProgram &program, u32 *total_len) {
     return offset_map;
 }
 
+RoseProgram::RoseProgram() {
+    prog.push_back(make_unique<RoseInstrEnd>());
+}
+
+RoseProgram::~RoseProgram() = default;
+
+RoseProgram::RoseProgram(RoseProgram &&) = default;
+RoseProgram &RoseProgram::operator=(RoseProgram &&) = default;
+
+bool RoseProgram::empty() const {
+    assert(!prog.empty());
+    assert(prog.back()->code() == ROSE_INSTR_END);
+    // Empty if we only have one element, the END instruction.
+    return next(prog.begin()) == prog.end();
+}
+
+const RoseInstruction *RoseProgram::end_instruction() const {
+    assert(!prog.empty());
+    assert(prog.back()->code() == ROSE_INSTR_END);
+
+    return prog.back().get();
+}
+
+void RoseProgram::update_targets(RoseProgram::iterator it,
+                                 RoseProgram::iterator it_end,
+                                 const RoseInstruction *old_target,
+                                 const RoseInstruction *new_target) {
+    assert(old_target && new_target && old_target != new_target);
+    for (; it != it_end; ++it) {
+        unique_ptr<RoseInstruction> &ri = *it;
+        assert(ri);
+        ri->update_target(old_target, new_target);
+    }
+}
+
+RoseProgram::iterator RoseProgram::insert(RoseProgram::iterator it,
+                                          unique_ptr<RoseInstruction> ri) {
+    assert(!prog.empty());
+    assert(it != end());
+    assert(prog.back()->code() == ROSE_INSTR_END);
+
+    return prog.insert(it, move(ri));
+}
+
+RoseProgram::iterator RoseProgram::insert(RoseProgram::iterator it,
+                                          RoseProgram &&block) {
+    assert(!prog.empty());
+    assert(it != end());
+    assert(prog.back()->code() == ROSE_INSTR_END);
+
+    if (block.empty()) {
+        return it;
+    }
+
+    const RoseInstruction *end_ptr = block.end_instruction();
+    assert(end_ptr->code() == ROSE_INSTR_END);
+    block.prog.pop_back();
+
+    const RoseInstruction *new_target = it->get();
+    update_targets(block.prog.begin(), block.prog.end(), end_ptr, new_target);
+
+    // Workaround: container insert() for ranges doesn't return an iterator
+    // in the version of the STL distributed with gcc 4.8.
+    auto dist = distance(prog.begin(), it);
+    prog.insert(it, make_move_iterator(block.prog.begin()),
+                make_move_iterator(block.prog.end()));
+    it = prog.begin();
+    advance(it, dist);
+    return it;
+}
+
 RoseProgram::iterator RoseProgram::erase(RoseProgram::iterator first,
-                                         RoseProgram::iterator last) {
-    return prog.erase(first, last);
+                                          RoseProgram::iterator last) {
+     return prog.erase(first, last);
+}
+
+void RoseProgram::add_before_end(std::unique_ptr<RoseInstruction> ri) {
+    assert(!prog.empty());
+    insert(std::prev(prog.end()), std::move(ri));
+}
+
+void RoseProgram::add_before_end(RoseProgram &&block) {
+    assert(!prog.empty());
+    assert(prog.back()->code() == ROSE_INSTR_END);
+
+    if (block.empty()) {
+        return;
+    }
+
+    insert(prev(prog.end()), move(block));
+}
+
+void RoseProgram::add_block(RoseProgram &&block) {
+    assert(!prog.empty());
+    assert(prog.back()->code() == ROSE_INSTR_END);
+
+    if (block.empty()) {
+        return;
+    }
+
+    // Replace pointers to the current END with pointers to the first
+    // instruction in the new sequence.
+    const RoseInstruction *end_ptr = end_instruction();
+    prog.pop_back();
+    update_targets(prog.begin(), prog.end(), end_ptr,
+                   block.prog.front().get());
+    prog.insert(prog.end(), make_move_iterator(block.prog.begin()),
+                make_move_iterator(block.prog.end()));
 }
 
 bytecode_ptr<char> writeProgram(RoseEngineBlob &blob,
@@ -657,6 +184,15 @@ bytecode_ptr<char> writeProgram(RoseEngineBlob &blob,
     return bytecode;
 }
 
+size_t RoseProgramHash::operator()(const RoseProgram &program) const {
+    size_t v = 0;
+    for (const auto &ri : program) {
+        assert(ri);
+        boost::hash_combine(v, ri->hash());
+    }
+    return v;
+}
+
 bool RoseProgramEquivalence::operator()(const RoseProgram &prog1,
                                         const RoseProgram &prog2) const {
     if (prog1.size() != prog2.size()) {