Adding upstream version 0.19.2.upstream/0.19.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 1171 insertions, 0 deletions

diff --git a/benchmark/Makefile.am b/benchmark/Makefile.am
new file mode 100644
index 0000000..a2f81eb
--- /dev/null
+++ b/benchmark/Makefile.am
@@ -0,0 +1,30 @@
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index 0000000..5d29dd5
--- /dev/null
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+
+threaded_json_parser_test-threaded_json_parser.o: threaded_json_parser.cpp
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(threaded_json_parser_test_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT threaded_json_parser_test-threaded_json_parser.o -MD -MP -MF $(DEPDIR)/threaded_json_parser_test-threaded_json_parser.Tpo -c -o threaded_json_parser_test-threaded_json_parser.o `test -f 'threaded_json_parser.cpp' || echo '$(srcdir)/'`threaded_json_parser.cpp
+@am__fastdepCXX_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/threaded_json_parser_test-threaded_json_parser.Tpo $(DEPDIR)/threaded_json_parser_test-threaded_json_parser.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	$(AM_V_CXX)source='threaded_json_parser.cpp' object='threaded_json_parser_test-threaded_json_parser.o' libtool=no @AMDEPBACKSLASH@
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+
+threaded_json_parser_test-threaded_json_parser.obj: threaded_json_parser.cpp
+@am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(threaded_json_parser_test_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT threaded_json_parser_test-threaded_json_parser.obj -MD -MP -MF $(DEPDIR)/threaded_json_parser_test-threaded_json_parser.Tpo -c -o threaded_json_parser_test-threaded_json_parser.obj `if test -f 'threaded_json_parser.cpp'; then $(CYGPATH_W) 'threaded_json_parser.cpp'; else $(CYGPATH_W) '$(srcdir)/threaded_json_parser.cpp'; fi`
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+check-valgrind-local: 
+check-valgrind-memcheck-local: 
+check-valgrind-helgrind-local: 
+check-valgrind-drd-local: 
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+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
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+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
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+
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+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
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+
+distdir-am: $(DISTFILES)
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+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
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+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+	@echo "it deletes files that may require special tools to rebuild."
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diff --git a/benchmark/json_parser.cpp b/benchmark/json_parser.cpp
new file mode 100644
index 0000000..509c9b8
--- /dev/null
+++ b/benchmark/json_parser.cpp
@@ -0,0 +1,187 @@
+
+#include <orcus/stream.hpp>
+#include <orcus/json_parser.hpp>
+#include <orcus/json_parser_thread.hpp>
+#include <orcus/string_pool.hpp>
+
+#include <vector>
+#include <iostream>
+#include <stdio.h>
+#include <string>
+#include <sys/time.h>
+
+#define SIMULATE_PROCESSING_OVERHEAD 0
+
+using namespace std;
+using namespace orcus;
+
+namespace {
+
+class stack_printer
+{
+public:
+    explicit stack_printer(const char* msg) :
+        m_msg(msg)
+    {
+        fprintf(stdout, "%s: --begin\n", m_msg.c_str());
+        m_start_time = get_time();
+    }
+
+    ~stack_printer()
+    {
+        double end_time = get_time();
+        fprintf(stdout, "%s: --end (duration: %g sec)\n", m_msg.c_str(), (end_time-m_start_time));
+    }
+
+private:
+    double get_time() const
+    {
+        timeval tv;
+        gettimeofday(&tv, NULL);
+        return tv.tv_sec + tv.tv_usec / 1000000.0;
+    }
+
+    ::std::string m_msg;
+    double m_start_time;
+};
+
+}
+
+class handler
+{
+    string_pool m_pool;
+    json::parse_tokens_t m_tokens;
+    std::vector<double> m_results;
+
+    void do_work()
+    {
+#if SIMULATE_PROCESSING_OVERHEAD
+        double f = m_results.empty() ? 0.0 : m_results.back();
+
+        for (size_t i = 0; i < 1000; ++i)
+            f += 0.1;
+
+        m_results.push_back(f);
+#endif
+    }
+
+public:
+    void begin_parse()
+    {
+        m_tokens.emplace_back(json::parse_token_t::begin_parse);
+        do_work();
+    }
+
+    void end_parse()
+    {
+        m_tokens.emplace_back(json::parse_token_t::end_parse);
+        do_work();
+    }
+
+    void begin_array()
+    {
+        m_tokens.emplace_back(json::parse_token_t::begin_array);
+        do_work();
+    }
+
+    void end_array()
+    {
+        m_tokens.emplace_back(json::parse_token_t::end_array);
+        do_work();
+    }
+
+    void begin_object()
+    {
+        m_tokens.emplace_back(json::parse_token_t::begin_object);
+        do_work();
+    }
+
+    void object_key(std::string_view s, bool transient)
+    {
+        if (transient)
+            s = m_pool.intern(s).first;
+
+        m_tokens.emplace_back(json::parse_token_t::object_key, s);
+        do_work();
+    }
+
+    void end_object()
+    {
+        m_tokens.emplace_back(json::parse_token_t::end_object);
+        do_work();
+    }
+
+    void boolean_true()
+    {
+        m_tokens.emplace_back(json::parse_token_t::boolean_true);
+        do_work();
+    }
+
+    void boolean_false()
+    {
+        m_tokens.emplace_back(json::parse_token_t::boolean_false);
+        do_work();
+    }
+
+    void null()
+    {
+        m_tokens.emplace_back(json::parse_token_t::null);
+        do_work();
+    }
+
+    void string(std::string_view s, bool transient)
+    {
+        if (transient)
+            s = m_pool.intern(s).first;
+
+        m_tokens.emplace_back(json::parse_token_t::string, s);
+        do_work();
+    }
+
+    void number(double val)
+    {
+        m_tokens.emplace_back(val);
+        do_work();
+    }
+
+    size_t token_size() const
+    {
+        return m_tokens.size();
+    }
+
+    double work_value() const
+    {
+        return m_results.back();
+    }
+};
+
+int main(int argc, char** argv) try
+{
+    if (argc < 2)
+        return EXIT_FAILURE;
+
+    const char* filepath = argv[1];
+    orcus::file_content content(filepath);
+
+    cout << "file: " << filepath << endl;
+
+    handler hdl;
+
+    {
+        stack_printer __stack_printer__("parsing");
+        orcus::json_parser<handler> parser(content.str(), hdl);
+        parser.parse();
+    }
+
+    cout << "parsed token count: " << hdl.token_size() << endl;
+#if SIMULATE_PROCESSING_OVERHEAD
+    cout << "work value: " << hdl.work_value() << endl;
+#endif
+
+    return EXIT_SUCCESS;
+}
+catch (const std::exception& e)
+{
+    cerr << e.what() << endl;
+    return EXIT_FAILURE;
+}
diff --git a/benchmark/threaded_json_parser.cpp b/benchmark/threaded_json_parser.cpp
new file mode 100644
index 0000000..f2e94fa
--- /dev/null
+++ b/benchmark/threaded_json_parser.cpp
@@ -0,0 +1,209 @@
+
+#include <orcus/stream.hpp>
+#include <orcus/threaded_json_parser.hpp>
+#include <orcus/string_pool.hpp>
+
+#include <vector>
+#include <iostream>
+#include <stdio.h>
+#include <string>
+#include <sys/time.h>
+
+#define SIMULATE_PROCESSING_OVERHEAD 0
+
+using namespace std;
+using namespace orcus;
+
+namespace {
+
+class stack_printer
+{
+public:
+    explicit stack_printer(const char* msg) :
+        m_msg(msg)
+    {
+        fprintf(stdout, "%s: --begin\n", m_msg.c_str());
+        m_start_time = get_time();
+    }
+
+    ~stack_printer()
+    {
+        double end_time = get_time();
+        fprintf(stdout, "%s: --end (duration: %g sec)\n", m_msg.c_str(), (end_time-m_start_time));
+    }
+
+private:
+    double get_time() const
+    {
+        timeval tv;
+        gettimeofday(&tv, NULL);
+        return tv.tv_sec + tv.tv_usec / 1000000.0;
+    }
+
+    ::std::string m_msg;
+    double m_start_time;
+};
+
+}
+
+class handler
+{
+    string_pool m_pool;
+    json::parse_tokens_t m_tokens;
+    std::vector<double> m_results;
+
+    void do_work()
+    {
+#if SIMULATE_PROCESSING_OVERHEAD
+        double f = m_results.empty() ? 0.0 : m_results.back();
+
+        for (size_t i = 0; i < 1000; ++i)
+            f += 0.1;
+
+        m_results.push_back(f);
+#endif
+    }
+
+public:
+    void begin_parse()
+    {
+        m_tokens.emplace_back(json::parse_token_t::begin_parse);
+        do_work();
+    }
+
+    void end_parse()
+    {
+        m_tokens.emplace_back(json::parse_token_t::end_parse);
+        do_work();
+    }
+
+    void begin_array()
+    {
+        m_tokens.emplace_back(json::parse_token_t::begin_array);
+        do_work();
+    }
+
+    void end_array()
+    {
+        m_tokens.emplace_back(json::parse_token_t::end_array);
+        do_work();
+    }
+
+    void begin_object()
+    {
+        m_tokens.emplace_back(json::parse_token_t::begin_object);
+        do_work();
+    }
+
+    void object_key(const char* p, size_t len, bool transient)
+    {
+        std::string_view s{p, len};
+        if (transient)
+            s = m_pool.intern(s).first;
+
+        m_tokens.emplace_back(json::parse_token_t::object_key, s);
+        do_work();
+    }
+
+    void end_object()
+    {
+        m_tokens.emplace_back(json::parse_token_t::end_object);
+        do_work();
+    }
+
+    void boolean_true()
+    {
+        m_tokens.emplace_back(json::parse_token_t::boolean_true);
+        do_work();
+    }
+
+    void boolean_false()
+    {
+        m_tokens.emplace_back(json::parse_token_t::boolean_false);
+        do_work();
+    }
+
+    void null()
+    {
+        m_tokens.emplace_back(json::parse_token_t::null);
+        do_work();
+    }
+
+    void string(const char* p, size_t len, bool transient)
+    {
+        std::string_view s{p, len};
+        if (transient)
+            s = m_pool.intern(s).first;
+
+        m_tokens.emplace_back(json::parse_token_t::string, s);
+        do_work();
+    }
+
+    void number(double val)
+    {
+        m_tokens.emplace_back(val);
+        do_work();
+    }
+
+    size_t token_size() const
+    {
+        return m_tokens.size();
+    }
+
+    double work_value() const
+    {
+        return m_results.back();
+    }
+};
+
+int main(int argc, char** argv) try
+{
+    if (argc < 2)
+        return EXIT_FAILURE;
+
+    const char* filepath = argv[1];
+    orcus::file_content content(filepath);
+
+    size_t min_token_size = 0;
+    size_t max_token_size = 0;
+
+    if (argc >= 3)
+    {
+        const char* p = argv[2];
+        min_token_size = strtol(p, nullptr, 10);
+    }
+
+    if (argc >= 4)
+    {
+        const char* p = argv[3];
+        max_token_size = strtol(p, nullptr, 10);
+    }
+
+    cout << "file: " << filepath << endl;
+    cout << "min token size: " << min_token_size << endl;
+    cout << "max token size: " << max_token_size << endl;
+
+    handler hdl;
+    orcus::json::parser_stats stats;
+    {
+        stack_printer __stack_printer__("parsing");
+        orcus::threaded_json_parser<handler> parser(content.data(), content.size(), hdl, min_token_size, max_token_size);
+        parser.parse();
+
+        stats = parser.get_stats();
+    }
+
+    cout << "final token buffer size threshold: " << stats.token_buffer_size_threshold << endl;
+
+    cout << "parsed token count: " << hdl.token_size() << endl;
+#if SIMULATE_PROCESSING_OVERHEAD
+    cout << "work value: " << hdl.work_value() << endl;
+#endif
+
+    return EXIT_SUCCESS;
+}
+catch (const std::exception& e)
+{
+    cerr << e.what() << endl;
+    return EXIT_FAILURE;
+}