link_error exception introduced

2 files changed, 30 insertions, 2 deletions

diff --git a/include/sitecing/sitecing_exception.h b/include/sitecing/sitecing_exception.h
index bf475ac..cb5edd9 100644
--- a/include/sitecing/sitecing_exception.h
+++ b/include/sitecing/sitecing_exception.h
@@ -1,87 +1,116 @@
 #ifndef __SITECING_SITECING_EXCEPTION_H
 #define __SITECING_SITECING_EXCEPTION_H
 
 #include <konforka/exception.h>
 
 /**
  * @file
  * @brief The site-C-ing specific exception.
  */
 
 namespace sitecing {
 
     /**
+     * The comonent failed to link.
+     */
+    class link_error : public konforka::exception {
+	public:
+	    /**
+	     * The component path
+	     */
+	    string component_path;
+
+	    /**
+	     * @param w the message.
+	     * @param cp component path.
+	     */
+	    link_error(const string& w,const string& cp)
+		: konforka::exception(NOCODEPOINT,w), component_path(cp) { }
+	    /**
+	     * @param fi the file name where the exception is thrown from.
+	     * @param fu the function name where the exception originates from.
+	     * @param l the line number where the exception originates from.
+	     * @param w the message.
+	     * @param cp component path.
+	     */
+	    link_error(const string& fi,const string& fu,int l,const string& w,const string& cp)
+		: konforka::exception(fi,fu,l,w), component_path(cp) { }
+	    ~link_error() throw() { }
+    };
+
+    /**
      * The component failed to compile.
      */
     class compile_error : public konforka::exception {
 	public:
 	    /**
 	     * The component path
 	     */
 	    string component_path;
 
 	    /**
 	     * @param w the message.
 	     * @param cp component path.
 	     */
 	    compile_error(const string& w,const string& cp)
 		: konforka::exception(NOCODEPOINT,w), component_path(cp) { }
 	    /**
 	     * @param whe point in code.
 	     * @param wha the message.
 	     * @param cp component path.
 	     */
 	    compile_error(const string &whe,const string& wha,const string& cp)
 		: konforka::exception(whe,wha), component_path(cp) { }
 	    /**
 	     * @param fi the file name where the exception is thrown from.
 	     * @param fu the function name where the exception originates from.
 	     * @param l the line number where the exception originates from.
+	     * @param w the message.
 	     * @param cp component path.
 	     */
 	    compile_error(const string &fi,const string& fu,int l,const string& w,const string& cp)
 		: konforka::exception(fi,fu,l,w), component_path(cp) { }
 	    ~compile_error() throw() { }
     };
 
     /**
      * Failed to preprocess component source.
      */
     class preprocessor_error : public konforka::exception {
 	public:
 	    /**
 	     * Component name.
 	     */
 	    string component_name;
 	    /**
 	     * The line number of the source code where the error occured.
 	     */
 	    int line_number;
 
 	    /**
 	     * @param fi file name where the exception originates from.
 	     * @param fu the function name where the exception originates from.
 	     * @param l the line number where the exception originate from.
 	     * @param w the error message.
 	     * @param cn the component name.
 	     * @param ln the line of the component source where the error occured.
 	     */
 	    preprocessor_error(const string& fi,const string& fu,int l,const string& w,const string& cn,int ln)
 		: konforka::exception(fi,fu,l,w), component_name(cn), line_number(ln) { }
 	    /**
 	     * @param fi file name where the exception originates from.
 	     * @param fu the function name where the exception originates from.
 	     * @param l the line number where the exception originate from.
 	     * @param w the error message.
 	     * @param cn the component name.
 	     */
 	    preprocessor_error(const string& fi,const string& fu,int l,const string& w,const string& cn)
 		: konforka::exception(fi,fu,l,w), component_name(cn), line_number(-1) { }
 	    /**
 	     * @param fi file name where the exception originates from.
 	     * @param fu the function name where the exception originates from.
 	     * @param l the line number where the exception originate from.
 	     * @param w the error message.
 	     * @param ln the line of the component source where the error occured.
 	     */
 	    preprocessor_error(const string& fi,const string& fu,int l,const string& w,int ln)
diff --git a/lib/component_factory.cc b/lib/component_factory.cc
index a5ced6b..2a2eefe 100644
--- a/lib/component_factory.cc
+++ b/lib/component_factory.cc
@@ -127,98 +127,97 @@ namespace sitecing {
 	}catch(utility_no_prefix& unp) { }
 	return true;
     }
 
     void component_factory::build(const string& dst) {
 	string dp = normalize_path(dst,strip_trailing_slash);
 	// sources
 	try {
 	    string noro = strip_prefix(dp,root_source);
 	    // building the sources is left up to developer
 	    return;
 	}catch(utility_no_prefix& unp) { }
 	// .so files
 	try {
 	    string noso = strip_suffix(dp,".so");
 	    string noro = strip_prefix(noso,root_so);
 	    string o = root_intermediate+noro+".o";
 	    if(access(o.c_str(),R_OK))
 		throw konforka::exception(CODEPOINT,string("can't access compiled component code (")+o+")");
 	    make_path(dir_name(root_so+noro),0755);
 	    file_lock lock_cc(root_intermediate+noro+".o.lock");
 	    file_lock lock_so(root_so+noro+".so.lock");
 	    int stdO = open((root_intermediate+noro+".ld.stdout").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
 	    if(stdO<0)
 		throw konforka::exception(CODEPOINT,"failed to open/create linker stdout");
 	    int stdE = open((root_intermediate+noro+".ld.stderr").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
 	    if(stdE<0) {
 		close(stdO);
 		throw konforka::exception(CODEPOINT,"failed to open/create linker stderr");
 	    }
 	    list<string> args;
 	    config_options *co_ld_flags = config.lookup_config(noro,config_options::flag_ld_flags);
 	    if(co_ld_flags) {
 		args.insert(args.end(),co_ld_flags->ld_flags.begin(),co_ld_flags->ld_flags.end());
 	    }
 	    args.push_back("-shared");
 	    args.push_back(o);
 	    file_list_t ancestors;
 	    get_ancestors(noro,ancestors);
 	    for(file_list_t::const_iterator i=ancestors.begin();i!=ancestors.end();++i) {
 		string aso=root_so+*i+".so";
 		make(aso);
 		args.push_back(aso);
 	    }
 	    args.push_back("-o"); args.push_back(dp);
 	    // TODO: "g++" configurable
 	    int rv = execute("g++",args,stdO,stdE);
 	    if(! (WIFEXITED(rv) && !WEXITSTATUS(rv)) )
-		// TODO:TODO: linker_error
-		throw compile_error(CODEPOINT,"failed to link component",noro);
+		throw link_error(CODEPOINT,"failed to link component",noro);
 	    return;
 	}catch(utility_no_prefix& unp) {
 	    throw konforka::exception(CODEPOINT,"component is outside of component root");
 	}catch(utility_no_suffix& uns) { }
 	try {
 	    string noro = strip_prefix(dp,root_intermediate);
 	    // compiler targets
 	    for(int cct=0;cct<sizeof(cc_targets)/sizeof(*cc_targets);cct++) {
 		try {
 		    string nos = strip_suffix(noro,cc_targets[cct]);
 		    string cc = root_intermediate+nos+".cc";
 		    string o = root_intermediate+nos+".o";
 		    if(access(cc.c_str(),R_OK))
 			throw konforka::exception(CODEPOINT,string("can't access preprocessed component code (")+cc+")");
 		    make_path(dir_name(cc),0755);
 		    string pwd = dir_name(root_source+nos);
 		    auto_chdir dir_changer(pwd);
 		    file_lock lock_source(root_intermediate+nos+".lock");
 		    file_lock lock_cc(root_intermediate+nos+".o.lock");
 		    int stdO = open((root_intermediate+nos+".stdout").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
 		    if(stdO<0)
 			throw konforka::exception(CODEPOINT,"failed to open/create compiler stdout");
 		    int stdE = open((root_intermediate+nos+".stderr").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
 		    if(stdE<0) {
 			close(stdO);
 			throw konforka::exception(CODEPOINT,"failed to open/create compiler's stderr");
 		    }
 		    list<string> args;
 		    config_options *co_cpp_flags = config.lookup_config(nos,config_options::flag_cpp_flags);
 		    if(co_cpp_flags) {
 			args.insert(args.end(),co_cpp_flags->cpp_flags.begin(),co_cpp_flags->cpp_flags.end());
 		    }
 		    // TODO: maybe move it to separare config option like CoreCPPFLags?
 		    args.push_back("-I"+root_intermediate);
 		    args.push_back("-I"+root_source);
 		    args.push_back("-MD"); args.push_back("-MF"); args.push_back(root_intermediate+nos+".d");
 		    args.push_back("-c");
 		    args.push_back(cc);
 		    args.push_back("-o"); args.push_back(o);
 		    // TODO: "g++" configurable
 		    int rv = execute("g++",args,stdO,stdE);
 		    if(! (WIFEXITED(rv) && !WEXITSTATUS(rv)) )
 			throw compile_error(CODEPOINT,"failed to compile component",nos);
 		    return;
 		}catch(utility_no_suffix& uns) { }
 	    }
 	    // preprocessor targets
 	    for(int ppt=0;ppt<sizeof(pp_targets)/sizeof(*pp_targets);ppt++) {