Initial commit of Hyperscan

src/nfa/lbr_dump.cpp

@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/** \file
+ * \brief Large Bounded Repeat (LBR): dump code.
+ */
+
+#include "config.h"
+
+#include "lbr_dump.h"
+
+#include "lbr_internal.h"
+#include "nfa_dump_internal.h"
+#include "nfa_internal.h"
+#include "repeat_internal.h"
+#include "shufticompile.h"
+#include "trufflecompile.h"
+#include "util/charreach.h"
+#include "util/dump_charclass.h"
+
+#ifndef DUMP_SUPPORT
+#error No dump support!
+#endif
+
+namespace ue2 {
+
+void nfaExecLbrDot_dumpDot(UNUSED const NFA *nfa, UNUSED FILE *f) {
+    // No impl
+}
+
+void nfaExecLbrVerm_dumpDot(UNUSED const NFA *nfa, UNUSED FILE *f) {
+    // No impl
+}
+
+void nfaExecLbrNVerm_dumpDot(UNUSED const NFA *nfa, UNUSED FILE *f) {
+    // No impl
+}
+
+void nfaExecLbrShuf_dumpDot(UNUSED const NFA *nfa, UNUSED FILE *f) {
+    // No impl
+}
+
+void nfaExecLbrTruf_dumpDot(UNUSED const NFA *nfa, UNUSED FILE *f) {
+    // No impl
+}
+
+static
+void lbrDumpCommon(const lbr_common *lc, FILE *f) {
+    const RepeatInfo *info
+        = (const RepeatInfo *)((const char *)lc + lc->repeatInfoOffset);
+    fprintf(f, "Limited Bounded Repeat\n");
+    fprintf(f, "\n");
+    fprintf(f, "repeat model:  %s\n", repeatTypeName(info->type));
+    fprintf(f, "repeat bounds: {%u, %u}\n", info->repeatMin,
+            info->repeatMax);
+    fprintf(f, "report id:     %u\n", lc->report);
+    fprintf(f, "\n");
+    fprintf(f, "min period: %u\n", info->minPeriod);
+}
+
+void nfaExecLbrDot_dumpText(const NFA *nfa, FILE *f) {
+    assert(nfa);
+    assert(nfa->type == LBR_NFA_Dot);
+    const lbr_dot *ld = (const lbr_dot *)getImplNfa(nfa);
+    lbrDumpCommon(&ld->common, f);
+    fprintf(f, "DOT model\n");
+    fprintf(f, "\n");
+    dumpTextReverse(nfa, f);
+}
+
+void nfaExecLbrVerm_dumpText(const NFA *nfa, FILE *f) {
+    assert(nfa);
+    assert(nfa->type == LBR_NFA_Verm);
+    const lbr_verm *lv = (const lbr_verm *)getImplNfa(nfa);
+    lbrDumpCommon(&lv->common, f);
+    fprintf(f, "VERM model, scanning for 0x%02x\n", lv->c);
+    fprintf(f, "\n");
+    dumpTextReverse(nfa, f);
+}
+
+void nfaExecLbrNVerm_dumpText(const NFA *nfa, FILE *f) {
+    assert(nfa);
+    assert(nfa->type == LBR_NFA_NVerm);
+    const lbr_verm *lv = (const lbr_verm *)getImplNfa(nfa);
+    lbrDumpCommon(&lv->common, f);
+    fprintf(f, "NEGATED VERM model, scanning for 0x%02x\n", lv->c);
+    fprintf(f, "\n");
+    dumpTextReverse(nfa, f);
+}
+
+void nfaExecLbrShuf_dumpText(const NFA *nfa, FILE *f) {
+    assert(nfa);
+    assert(nfa->type == LBR_NFA_Shuf);
+    const lbr_shuf *ls = (const lbr_shuf *)getImplNfa(nfa);
+    lbrDumpCommon(&ls->common, f);
+
+    CharReach cr = shufti2cr(ls->mask_lo, ls->mask_hi);
+    fprintf(f, "SHUF model, scanning for: %s (%zu chars)\n",
+            describeClass(cr, 20, CC_OUT_TEXT).c_str(), cr.count());
+    fprintf(f, "\n");
+    dumpTextReverse(nfa, f);
+}
+
+void nfaExecLbrTruf_dumpText(const NFA *nfa, FILE *f) {
+    assert(nfa);
+    assert(nfa->type == LBR_NFA_Truf);
+    const lbr_truf *lt = (const lbr_truf *)getImplNfa(nfa);
+    lbrDumpCommon(&lt->common, f);
+
+    CharReach cr = truffle2cr(lt->mask1, lt->mask2);
+    fprintf(f, "TRUFFLE model, scanning for: %s (%zu chars)\n",
+            describeClass(cr, 20, CC_OUT_TEXT).c_str(), cr.count());
+    fprintf(f, "\n");
+    dumpTextReverse(nfa, f);
+}
+
+} // namespace ue2