Overhauled Section checker, and added ability to find code in not executable segements.

zsnes/src/Makefile.in

@@ -119,7 +119,7 @@ extraext: ${TOOLSOBJ}
 	@CXX@ @CFLAGS@ -o ${TOOLSDIR}/extraext ${TOOLSDIR}/extraext.cpp ${TOOLSOBJ}
 
 sec-test: ${TOOLSOBJ}
-	@CXX@ @CFLAGS@ -o ${TOOLSDIR}/sec-test ${TOOLSDIR}/sec-test.cpp ${TOOLSDIR}/fileutil.o
+	@CXX@ @CFLAGS@ -o ${TOOLSDIR}/sec-test ${TOOLSDIR}/sec-test.cpp ${TOOLSOBJ}
 
 srccount: ${TOOLSOBJ}
 	@CXX@ @CFLAGS@ -o ${TOOLSDIR}/srccount ${TOOLSDIR}/srccount.cpp ${TOOLSDIR}/fileutil.o

zsnes/src/tools/sec-test.cpp

@@ -21,44 +21,128 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 This is part of a toolkit used to assist in ZSNES development
 
 This program tells us is a variable is declared in the wrong section.
+Or if code is not in an executable section.
 */
 
 #include <iostream>
 #include <fstream>
+#include "strutil.h"
 using namespace std;
 
 #include "fileutil.h"
 
 #define LINE_LENGTH 500
 
+
+
+bool contains_resx(const char *str)
+{
+  return(!strncmp(str, "resd ", strlen("resd ")) ||
+         !strncmp(str, "resw ", strlen("resw ")) ||
+         !strncmp(str, "resb ", strlen("resb ")) ||
+         strstr(str, " resd ") ||
+         strstr(str, " resw ") ||
+         strstr(str, " resb ") ||
+         strstr(str, ",resd ") ||
+         strstr(str, ",resw ") ||
+         strstr(str, ",resb "));
+}
+
+bool contains_dx(const char *str)
+{
+  return(!strncmp(str, "dd ", strlen("dd ")) ||
+         !strncmp(str, "dw ", strlen("dw ")) ||
+         !strncmp(str, "db ", strlen("db ")) ||
+         strstr(str, " dd ") ||
+         strstr(str, " dw ") ||
+         strstr(str, " db ") ||
+         strstr(str, ",dd ") ||
+         strstr(str, ",dw ") ||
+         strstr(str, ",db "));
+}
+
+bool label(const char *str)
+{
+  return(!strchr(str, ' ') && !strchr(str, '\t') && (str[strlen(str)-1] == ':'));
+}
+
 void handle_file(const char *filename)
 {
-  enum sections { sec_unknown, sec_bss, sec_data, sec_text };
+  enum sections { sec_unknown, sec_bss, sec_data, sec_text, sec_macro };
 
   ifstream file(filename, ios::in);
   if (file)
   {
-    char line[LINE_LENGTH];
-    sections cur_section = sec_unknown;
-    for (size_t i = 0; file.getline(line, LINE_LENGTH); i++)
+    char buffer[LINE_LENGTH];
+    sections cur_section = sec_unknown, prev_section = sec_unknown;
+    for (size_t i = 1; file.getline(buffer, LINE_LENGTH); i++)
     {
-      if (!strcasecmp(line, "SECTION .BSS")) { cur_section = sec_bss; }
-      if (!strcasecmp(line, "SECTION .DATA")) { cur_section = sec_data; }
-      if (!strcasecmp(line, "SECTION .text")) { cur_section = sec_text; }
+      char *line = buffer;
     
-      if ((cur_section != sec_bss) &&
-          (strstr(line, " resd ") || strstr(line, " resw ") || strstr(line, " resb ") ||
-          (strstr(line, ",resd ") || strstr(line, ",resw ") || strstr(line, ",resb ")) ))
+      char *comment_p = strchr(line, ';');
+      if (comment_p) { *comment_p = 0; }
+
+      if (all_whitespace(line)) { continue; }
+
+      for (char *p = line+strlen(line)-1; isspace(*p); p--) { *p = 0; }
+      while (isspace(*line)) { line++; }
+      
+      
+      if (!strcasecmp(line, "SECTION .BSS"))
+      {
+        prev_section = cur_section;
+        cur_section = sec_bss;
+        continue;
+      }
+      
+      if (!strcasecmp(line, "SECTION .DATA"))
+      {
+        prev_section = cur_section;
+        cur_section = sec_data;
+        continue;
+      }
+      
+      if (!strcasecmp(line, "SECTION .text"))
+      {
+        prev_section = cur_section;
+        cur_section = sec_text;
+        continue;
+      }
+      
+      if (!strncmp(line, "%macro", strlen("%macro")) ||
+          !strncmp(line, "%imacro", strlen("%imacro")))
+      {
+        prev_section = cur_section;
+        cur_section = sec_macro;
+        continue;
+      }
+
+      if (!strncmp(line, "%endmacro", strlen("%endmacro")))
+      {
+        cur_section = prev_section;
+        continue;
+      }
+      
+      
+      if ((cur_section != sec_bss) && contains_resx(line))
       {
         cout << filename << ": line " << i << ": Error, resx in non BSS section. \"" << line << "\"" << endl;
       }
 
-      if ((cur_section != sec_data) &&
-          (strstr(line, " dd ") || strstr(line, " dw ") || strstr(line, " db ") ||
-          (strstr(line, ",dd ") || strstr(line, ",dw ") || strstr(line, ",db ")) ))
+      if ((cur_section != sec_data) && contains_dx(line))
       {
         cout << filename << ": line " << i << ": Error, dx in non DATA section. \"" << line << "\"" << endl;
       }
+
+      if ((cur_section != sec_text) && (cur_section != sec_macro))
+      {
+        if (!contains_resx(line) && !contains_dx(line) && !label(line) &&
+            !strstr(line, "NEWSYM") && !strstr(line, "EXTSYM") && !strstr(line, " equ ") &&
+            (*line != '%') && !strstr(line, "ALIGN") && strncmp(line, "bits ", strlen("bits ")))
+        {
+          cout << filename << ": line " << i << ": Error, code in non TEXT section. \"" << line << "\"" << endl;
+        }    
+      }
     }
   }
   else

zsnes/src/tools/strutil.cpp

@@ -44,3 +44,15 @@ void Tokenize(const string& str, vector<string>& tokens, const string& delimiter
     pos = str.find_first_of(delimiters, lastPos);
   }
 }
+
+bool all_whitespace(const char *str)
+{
+  for (; *str; str++)
+  {
+    if (!isspace(*str))
+    {
+      return(false);
+    }
+  }
+  return(true);
+}

zsnes/src/tools/strutil.h

@@ -28,5 +28,6 @@ This is part of a toolkit used to assist in ZSNES development
 #include <vector>
 
 void Tokenize(const std::string&, std::vector<std::string>&, const std::string&);
+bool all_whitespace(const char *);
 
 #endif