Let init_called be global (used from encoding.c).
[gedcom-parse.git] / gedcom / gedcom_lex_common.c
index 0a01f150596f26e2666b6237b17c92613edfb1a8..d0d329cab5e031d81a20bcab027e8bed6384ada1 100644 (file)
@@ -21,7 +21,7 @@
 /* $Id$ */
 /* $Name$ */
 
-#ifndef IN_LEX
+#if LEX_SECTION == 1
 
 #include "gedcom_internal.h"
 #include "multilex.h"
@@ -51,7 +51,7 @@ void message_handler(Gedcom_msg_type type, char *msg)
   fprintf(stderr, "(%d) %s\n", type, msg);
 }
 
-int test_loop(ENCODING enc, char* code)
+int test_loop(ENCODING enc, const char* code)
 {
   int tok, res;
   init_encodings();
@@ -109,18 +109,18 @@ static void error_level_too_high(int level_diff)
                level_diff); 
 }
 
-static void error_tag_too_long(char *tag)
+static void error_tag_too_long(const char *tag)
 {
   gedcom_error(_("Tag '%s' too long, max %d characters allowed"),
               tag, MAXGEDCTAGLEN); 
 }
 
-static void error_invalid_character(char *str, char ch)
+static void error_invalid_character(const char *str, char ch)
 {
   gedcom_error(_("Invalid character for encoding: '%s' (0x%02x)"), str, ch); 
 }
 
-static void error_pointer_too_long(char *ptr)
+static void error_pointer_too_long(const char *ptr)
 {
   gedcom_error(_("Pointer '%s' too long, max %d characters allowed"),
               ptr, MAXGEDCPTRLEN);
@@ -131,12 +131,12 @@ static void error_at_character()
   gedcom_error(_("'@' character should be written as '@@' in values"));
 }
 
-static void error_unexpected_character(char* str, char ch)
+static void error_unexpected_character(const char* str, char ch)
 {
   gedcom_error(_("Unexpected character: '%s' (0x%02x)"), str, ch);
 }
 
-#else  /* of #ifndef IN_LEX */
+#elif LEX_SECTION == 2
 
 #define TO_INTERNAL(STR,OUTBUF) \
   to_internal(STR, yyleng, OUTBUF, sizeof(OUTBUF))
@@ -340,10 +340,7 @@ static void error_unexpected_character(char* str, char ch)
     }                                                                         \
     else {                                                                    \
       char* ptr; int size;                                                    \
-      /* Reset our state */                                                   \
-      current_level = -1;                                                     \
-      level_diff = MAXGEDCLEVEL;                                              \
-      /* ... then terminate lex */                                            \
+      /* ... terminate lex */                                                 \
       yyterminate();                                                          \
       /* Get rid of f*cking compiler warning from lex generated code */       \
       /* yyterminate does return(), so program will never come here  */       \
@@ -376,4 +373,31 @@ static void error_unexpected_character(char* str, char ch)
     return BADTOKEN;                                                          \
   }
 
-#endif /* IN_LEX */
+#elif LEX_SECTION == 3
+
+int yywrap()
+{
+  return 1;
+}
+
+static void yylex_cleanup()
+{
+  /* fix memory leak in lex */
+  yy_delete_buffer(yy_current_buffer);
+  yy_current_buffer = NULL;
+}
+
+static int exitfuncregistered = 0;
+
+void yymyinit(FILE *f)
+{
+  if (! exitfuncregistered && atexit(yylex_cleanup) == 0)
+    exitfuncregistered = 1;
+  yyin = f;
+  yyrestart(f);
+  /* Reset our state */
+  current_level = -1;
+  level_diff = MAXGEDCLEVEL;
+}
+
+#endif