Giving analyzer/ its own CMakeLists.txt.

Also moving src/analyzer.bif to src/analyzer/analyzer.bif, along with
the infrastructure to build/incude bif code at other locations.

We should generally move to having per-directory CMakeLists.txt. I'll
convert the others over later.

src/CMakeLists.txt

@@ -103,7 +103,6 @@ target_link_libraries(bifcl)
 include(BifCl)
 
 set(BIF_SRCS
-    analyzer.bif
     bro.bif
     logging.bif
     input.bif
@@ -158,6 +157,17 @@ binpac_target(syslog.pac
 binpac_target(modbus.pac
     modbus-protocol.pac modbus-analyzer.pac)
 
+########################################################################
+## Including subdirectories.
+########################################################################
+
+add_subdirectory(analyzer)
+
+set(bro_SUBDIRS
+    $<TARGET_OBJECTS:bro_analyzer>
+)
+
+
 ########################################################################
 ## Including plug-ins that are compiled in statically.
 ########################################################################
@@ -389,11 +399,6 @@ set(bro_SRCS
     plugin/Manager.cc
     plugin/Plugin.cc
 
-    analyzer/Analyzer.cc
-    analyzer/Manager.cc
-    analyzer/Component.cc
-    analyzer/Tag.cc
-
     protocols/BuiltInAnalyzers.cc
 
     nb_dns.c
@@ -402,7 +407,7 @@ set(bro_SRCS
 
 collect_headers(bro_HEADERS ${bro_SRCS})
 
-add_executable(bro ${bro_SRCS} ${bro_HEADERS} ${bro_PLUGIN_OBJECT_LIBS})
+add_executable(bro ${bro_SRCS} ${bro_HEADERS} ${bro_PLUGIN_OBJECT_LIBS} ${bro_SUBDIRS})
 
 target_link_libraries(bro ${brodeps} ${CMAKE_THREAD_LIBS_INIT})
 

src/Func.cc

@@ -548,14 +548,12 @@ void builtin_error(const char* msg, BroObj* arg)
 		reporter->Error(msg, arg);
 	}
 
-#include "analyzer.bif.func_h"
 #include "bro.bif.func_h"
 #include "logging.bif.func_h"
 #include "input.bif.func_h"
 #include "reporter.bif.func_h"
 #include "strings.bif.func_h"
 
-#include "analyzer.bif.func_def"
 #include "bro.bif.func_def"
 #include "logging.bif.func_def"
 #include "input.bif.func_def"
@@ -571,7 +569,6 @@ void init_builtin_funcs()
 	var_sizes = internal_type("var_sizes")->AsTableType();
 	gap_info = internal_type("gap_info")->AsRecordType();
 
-#include "analyzer.bif.func_init"
 #include "bro.bif.func_init"
 #include "logging.bif.func_init"
 #include "input.bif.func_init"

src/NetVar.cc

@@ -238,7 +238,6 @@ TableType* record_field_table;
 
 StringVal* cmd_line_bpf_filter;
 
-#include "analyzer.bif.netvar_def"
 #include "const.bif.netvar_def"
 #include "types.bif.netvar_def"
 #include "event.bif.netvar_def"

src/NetVar.h

@@ -248,7 +248,6 @@ extern void init_general_global_var();
 extern void init_event_handlers();
 extern void init_net_var();
 
-#include "analyzer.bif.netvar_h"
 #include "const.bif.netvar_h"
 #include "types.bif.netvar_h"
 #include "event.bif.netvar_h"

src/analyzer/CMakeLists.txt

@@ -0,0 +1,16 @@
+
+include_directories(BEFORE
+                    ${CMAKE_CURRENT_SOURCE_DIR}
+                    ${CMAKE_CURRENT_BINARY_DIR}
+)
+
+set(analyzer_SRCS
+    Analyzer.cc
+    Manager.cc
+    Component.cc
+    Tag.cc
+)
+
+bif_target_for_subdir(analyzer.bif)
+
+add_library(bro_analyzer OBJECT ${analyzer_SRCS} ${BIF_OUTPUT_CC} ${BIF_OUTPUT_H})

src/analyzer/Manager.cc

@@ -89,12 +89,18 @@ void Manager::Init()
 	for ( std::list<Component*>::const_iterator i = analyzers.begin(); i != analyzers.end(); i++ )
 		RegisterAnalyzerComponent(*i);
 
-	// Caache these tags.
+	// Cache these tags.
 	analyzer_backdoor = GetAnalyzerTag("BACKDOOR");
 	analyzer_connsize = GetAnalyzerTag("CONNSIZE");
 	analyzer_interconn = GetAnalyzerTag("INTERCONN");
 	analyzer_stepping = GetAnalyzerTag("STEPPINGSTONE");
 	analyzer_tcpstats = GetAnalyzerTag("TCPSTATS");
+
+	}
+
+void Manager::InitBifs()
+	{
+	#include "analyzer.bif.init.cc"
 	}
 
 void Manager::DumpDebug()

src/analyzer/Manager.h

@@ -29,6 +29,8 @@
 #include "../net_util.h"
 #include "../IP.h"
 
+#include "analyzer/analyzer.bif.h"
+
 namespace analyzer {
 
 /**
@@ -59,6 +61,12 @@ public:
 	 */
 	void Init();
 
+	/**
+	 * Initializes the analyze-related BiFs. Must be called after scripts
+	 * are parsed.
+	 */
+	void InitBifs();
+
 	/**
 	 * Finished the manager's operations.
 	 */

src/builtin-func.l

@@ -139,6 +139,7 @@ extern int yyparse();
 char* input_filename = 0;
 char* input_filename_with_path = 0;
 char* plugin = 0;
+int   alternative_mode = 0;
 
 FILE* fp_bro_init = 0;
 FILE* fp_func_def = 0;
@@ -176,7 +177,7 @@ void usage()
 	exit(1);
 	}
 
-void init_plugin_mode()
+void init_alternative_mode()
 	{
 	fp_bro_init = open_output_file("bro");
 	fp_func_h = open_output_file("h");
@@ -191,8 +192,8 @@ void init_plugin_mode()
 	char auto_gen_comment[n];
 
 	snprintf(auto_gen_comment, n,
-		 "This file was automatically generated by bifcl from %s (plugin mode).",
-		 input_filename_with_path);
+		 "This file was automatically generated by bifcl from %s (%s mode).",
+		 input_filename_with_path, plugin ? "plugin" : "subdir");
 
 	fprintf(fp_bro_init, "# %s\n\n", auto_gen_comment);
 	fprintf(fp_func_def, "// %s\n\n", auto_gen_comment);
@@ -225,6 +226,8 @@ void init_plugin_mode()
 	if ( dot )
 	    *dot = '\0';
 
+    if ( plugin )
+        {
     	fprintf(fp_func_init, "\n");
     	fprintf(fp_func_init, "#include <list>\n");
     	fprintf(fp_func_init, "#include <string>\n");
@@ -237,30 +240,39 @@ void init_plugin_mode()
     	fprintf(fp_func_init, "\tstd::list<std::pair<std::string, int> > bifs;\n");
     	fprintf(fp_func_init, "\n");
         }
+	}
 
-void finish_plugin_mode()
+void finish_alternative_mode()
 	{
 	fprintf(fp_func_h, "\n");
 	fprintf(fp_func_h, "#endif\n");
 
+    if ( plugin )
+        {
     	fprintf(fp_func_init, "\n");
     	fprintf(fp_func_init, "\treturn bifs;\n");
     	fprintf(fp_func_init, "\t}\n");
     	fprintf(fp_func_init, "} }\n");
     	fprintf(fp_func_init, "\n");
     	}
+    }
 
 int main(int argc, char* argv[])
 	{
 	char opt;
 
-	while ( (opt = getopt(argc, argv, "p:")) != -1 )
+	while ( (opt = getopt(argc, argv, "p:s")) != -1 )
 		{
 		switch ( opt ) {
 		case 'p':
+			alternative_mode = 1;
 			plugin = optarg;
 			break;
 
+		case 's':
+			alternative_mode = 1;
+			break;
+
 		default:
 			usage();
 		}
@@ -284,7 +296,7 @@ int main(int argc, char* argv[])
 		if ( slash )
 			input_filename = slash + 1;
 
-		if ( ! plugin )
+		if ( ! alternative_mode )
 			{
 			fp_bro_init = open_output_file("bro");
 			fp_func_h = open_output_file("func_h");
@@ -311,13 +323,13 @@ int main(int argc, char* argv[])
 			}
 
 		else
-			init_plugin_mode();
+			init_alternative_mode();
 
 		yy_switch_to_buffer(yy_create_buffer(fp_input, YY_BUF_SIZE));
 		yyparse();
 
-		if ( plugin )
-			finish_plugin_mode();
+		if ( alternative_mode )
+			finish_alternative_mode();
 
 		fclose(fp_input);
 		close_all_output_files();
@@ -339,7 +351,7 @@ void close_all_output_files(void)
 	close_if_open(&fp_func_def);
 	close_if_open(&fp_func_init);
 
-	if ( ! plugin )
+	if ( ! alternative_mode )
 		{
 		close_if_open(&fp_netvar_h);
 		close_if_open(&fp_netvar_def);

src/main.cc

@@ -836,6 +836,7 @@ int main(int argc, char** argv)
 
 	yyparse();
 
+	analyzer_mgr->InitBifs();
 	plugin_mgr->InitPluginsBif();
 
 	if ( print_plugins )