update

main.cpp

@@ -20,7 +20,7 @@ void help_cmd()
 	<<"    -c, --code    | view bytecode.\n"
 	<<"    -e, --exec    | execute script file.\n"
 	<<"    -t, --time    | execute and get the running time.\n"
-	<<"    -o, --opcn    | count operands while running.\n"
+	<<"    -o, --opcnt   | count operands while running.\n"
 	<<"file:\n"
 	<<"    input file name to execute script file.\n";
 	return;

nasal_builtin.h

@@ -54,7 +54,7 @@ nasal_val* builtin_right(std::vector<nasal_val*>&,nasal_gc&);
 nasal_val* builtin_cmp(std::vector<nasal_val*>&,nasal_gc&);
 nasal_val* builtin_chr(std::vector<nasal_val*>&,nasal_gc&);
 
-#define builtin_err(func_name,info) std::cout<<">> [vm] "<<func_name<<": "<<info<<".\n"
+#define builtin_err(func_name,info) std::cout<<"[vm] "<<func_name<<": "<<info<<".\n"
 
 // register builtin function's name and it's address here in this table below
 // this table must end with {"",nullptr}

nasal_codegen.h

@@ -259,7 +259,7 @@ public:
 void nasal_codegen::die(std::string info,int line)
 {
     ++error;
-    std::cout<<">> [code] line "<<line<<": "<<info<<"\n";
+    std::cout<<"[code] line "<<line<<": "<<info<<"\n";
     return;
 }
 

nasal_import.h

@@ -25,7 +25,7 @@ public:
 void nasal_import::die(std::string& filename,const char* error_stage)
 {
     ++error;
-    std::cout<<">> [import] in <\""<<filename<<"\">: error(s) occurred in "<<error_stage<<".\n";
+    std::cout<<"[import] in <\""<<filename<<"\">: error(s) occurred in "<<error_stage<<".\n";
     return;
 }
 

nasal_lexer.h

@@ -124,7 +124,7 @@ void nasal_lexer::openfile(std::string& filename)
     if(fin.fail())
     {
 		++error;
-        std::cout<<">> [lexer] cannot open file <"<<filename<<">.\n";
+        std::cout<<"[lexer] cannot open file <"<<filename<<">.\n";
 		fin.close();
         return;
     }
@@ -150,7 +150,7 @@ int nasal_lexer::get_tok_type(std::string& tk_str)
 void nasal_lexer::die(const char* error_info)
 {
 	++error;
-	std::cout<<">> [lexer] line "<<line<<" column "<<line_code.length()<<": \n"<<line_code<<"\n";
+	std::cout<<"[lexer] line "<<line<<" column "<<line_code.length()<<": \n"<<line_code<<"\n";
 	for(auto i:line_code)
 		std::cout<<(i=='\t'?'\t':' ');
 	std::cout<<"^"<<error_info<<'\n';

nasal_parse.h

@@ -127,7 +127,7 @@ void nasal_parse::main_process(std::vector<token>& toks)
     if(!error_token.size())
         return;
     ++error;
-    std::cout<<">> [parse] line";
+    std::cout<<"[parse] line";
     int err_line=0;
     for(auto& tok:error_token)
         if(err_line!=tok.line)
@@ -143,7 +143,7 @@ void nasal_parse::main_process(std::vector<token>& toks)
 void nasal_parse::die(int line,std::string&& info)
 {
     ++error;
-    std::cout<<">> [parse] line "<<line<<": "<<info<<".\n";
+    std::cout<<"[parse] line "<<line<<": "<<info<<".\n";
     return;
 }
 void nasal_parse::match(int type,const char* err_info)

nasal_vm.h

@@ -206,7 +206,7 @@ void nasal_vm::stackinfo(int limit)
 }
 void nasal_vm::die(std::string str)
 {
-    printf(">> [vm] error at 0x%.8x: %s\n",pc,str.c_str());
+    printf("[vm] error at 0x%.8x: %s\n",pc,str.c_str());
     // trace back will use ret_stack
     ret.push(pc);
     traceback();
@@ -216,7 +216,7 @@ void nasal_vm::die(std::string str)
 }
 void nasal_vm::stackoverflow()
 {
-    printf(">> [vm] stack overflow\n");
+    printf("[vm] stack overflow\n");
     traceback();
     stackinfo(10);
     return;