main: revise bit fields in tagEntryInfo

main/entry.c

@@ -914,7 +914,7 @@ static int   makePatternStringCommon (const tagEntryInfo *const tag,
 	}
 
 	length += putc_func(searchChar, output);
-	if ((tag->boundaryInfo & BOUNDARY_START) == 0)
+	if ((tag->boundaryInfo & INPUT_BOUNDARY_START) == 0)
 		length += putc_func('^', output);
 	length += appendInputLine (putc_func, line, Option.patternLengthLimit,
 							   output, &omitted);

main/entry.h

@@ -42,25 +42,36 @@ typedef uint64_t roleBitsType;
 /*  Information about the current tag candidate.
  */
 struct sTagEntryInfo {
+	/*
+	 * the bit fields parsers may access for setting DIRECTLY
+	 */
 	unsigned int lineNumberEntry:1;  /* pattern or line number entry */
 	unsigned int isFileScope    :1;  /* is tag visible only within input file? */
-	unsigned int isFileEntry    :1;  /* is this just an entry for a file name? */
 	unsigned int truncateLineAfterTag :1;  /* truncate tag line at end of tag name? */
+	unsigned int skipAutoFQEmission:1; /* If a parser makes a fq tag for the
+										  current tag by itself, set this. */
+
+	/*
+	 * the bit fields parser may access for setting via accessor
+	 */
 	unsigned int placeholder    :1;	 /* is used only for keeping corkIndex based scope chain.
 					    Put this entry to cork queue but
 					    don't print it to tags file. */
-	unsigned int skipAutoFQEmission:1; /* If a parser makes a fq tag for the
-										  current tag by itself, set this. */
+
+	/*
+	 * the bit fields only the main part can access.
+	 */
+	unsigned int isFileEntry    :1;  /* is this just an entry for a file name? */
 	unsigned int isPseudoTag:1;	/* Used only in xref output.
 								   If a tag is a pseudo, set this. */
 	unsigned int inCorkQueue:1;
 	unsigned int isInputFileNameShared: 1; /* shares the value for inputFileName.
 											* Set in the cork queue; don't touch this.*/
+	unsigned int boundaryInfo: 2; /* info about nested input stream */
 
 	unsigned long lineNumber;     /* line number of tag */
 	const char* pattern;	      /* pattern for locating input line
 				       * (may be NULL if not present) *//*  */
-	unsigned int boundaryInfo;    /* info about nested input stream */
 	MIOPos      filePosition;     /* file position of line containing tag */
 	langType langType;         /* language of input file */
 	const char *inputFileName;   /* name of input file.

main/lregex.c

@@ -116,8 +116,8 @@ struct guestLangSpec {
 
 struct guestSpec {
 	struct guestLangSpec lang;
-#define BOUNDARY_START 0
-#define BOUNDARY_END  1
+#define GUEST_BOUNDARY_START 0
+#define GUEST_BOUNDARY_END  1
 	struct boundarySpec boundary[2];
 };
 
@@ -407,7 +407,7 @@ static void initRegexTag (tagEntryInfo *e,
 	else
 		initForeignRefTagEntry (e, name, foreign_lang, kindIndex, roleIndex);
 	e->extensionFields.scopeIndex = scopeIndex;
-	e->placeholder = !!placeholder;
+	markTagAsPlaceholder(e, placeholder);
 	if (line)
 	{
 		e->lineNumber = line;
@@ -871,9 +871,9 @@ static void pre_ptrn_flag_guest_long (const char* const s, const char* const v,
 	for (int i = 0; i < 2; i++)
 	{
 		current = guest->boundary + i;
-		const char *current_field_str = (i == BOUNDARY_START? "start": "end");
+		const char *current_field_str = (i == GUEST_BOUNDARY_START? "start": "end");
 
-		if (tmp [0] == ((i == BOUNDARY_START)? ',': '\0'))
+		if (tmp [0] == ((i == GUEST_BOUNDARY_START)? ',': '\0'))
 		{
 			if (type == REG_PARSER_MULTI_LINE)
 				error (WARNING,
@@ -1856,7 +1856,8 @@ static void printMessage(const langType language,
 static bool isGuestRequestConsistent (struct guestRequest *guest_req)
 {
 	return (guest_req->lang != LANG_IGNORE)
-		&& (guest_req->boundary[BOUNDARY_START].offset < guest_req->boundary[BOUNDARY_END].offset);
+		&& (guest_req->boundary[GUEST_BOUNDARY_START].offset
+			< guest_req->boundary[GUEST_BOUNDARY_END].offset);
 }
 
 static bool fillGuestRequest (const char *start,
@@ -3150,8 +3151,8 @@ static bool   guestRequestIsFilled(struct guestRequest *r)
 static void   guestRequestClear (struct guestRequest *r)
 {
 	r->lang_set = false;
-	r->boundary[BOUNDARY_START].offset_set = false;
-	r->boundary[BOUNDARY_END].offset_set = false;
+	r->boundary[GUEST_BOUNDARY_START].offset_set = false;
+	r->boundary[GUEST_BOUNDARY_END].offset_set = false;
 }
 
 static void   guestRequestSubmit (struct guestRequest *r)
@@ -3160,11 +3161,11 @@ static void   guestRequestSubmit (struct guestRequest *r)
 	verbose ("guestRequestSubmit: %s; "
 			 "range: %"PRId64" - %"PRId64"\n",
 			 langName,
-			 (int64_t)r->boundary[BOUNDARY_START].offset,
-			 (int64_t)r->boundary[BOUNDARY_END].offset);
+			 (int64_t)r->boundary[GUEST_BOUNDARY_START].offset,
+			 (int64_t)r->boundary[GUEST_BOUNDARY_END].offset);
 	makePromiseForAreaSpecifiedWithOffsets (langName,
-											r->boundary[BOUNDARY_START].offset,
-											r->boundary[BOUNDARY_END].offset);
+											r->boundary[GUEST_BOUNDARY_START].offset,
+											r->boundary[GUEST_BOUNDARY_END].offset);
 }
 
 /*
@@ -3344,7 +3345,7 @@ static EsObject* lrop_make_foreignreftag (OptVM *vm, EsObject *name)
 
 	tagEntryInfo *e = xMalloc (1, tagEntryInfo);
 	initRegexTag (e, eStrdup (n),
-				  kind_index, role_index, CORK_NIL, 0,
+				  kind_index, role_index, CORK_NIL, false,
 				  loc? loc->line: 0, loc? &loc->pos: NULL,
 				  role_index == ROLE_DEFINITION_INDEX
 				  ? XTAG_UNKNOWN

main/read.c

@@ -1194,10 +1194,10 @@ extern unsigned int getNestedInputBoundaryInfo (unsigned long lineNumber)
 	info = 0;
 	if (File.nestedInputStreamInfo.startLine == lineNumber
 	    && File.nestedInputStreamInfo.startCharOffset != 0)
-		info |= BOUNDARY_START;
+		info |= INPUT_BOUNDARY_START;
 	if (File.nestedInputStreamInfo.endLine == lineNumber
 	    && File.nestedInputStreamInfo.endCharOffset != 0)
-		info |= BOUNDARY_END;
+		info |= INPUT_BOUNDARY_END;
 
 	return info;
 }

main/read_p.h

@@ -23,8 +23,8 @@
 */
 
 enum nestedInputBoundaryFlag {
-	BOUNDARY_START = 1UL << 0,
-	BOUNDARY_END   = 1UL << 1,
+	INPUT_BOUNDARY_START = 1UL << 0,
+	INPUT_BOUNDARY_END   = 1UL << 1,
 };
 
 /*

parsers/cpreprocessor.c

@@ -888,7 +888,7 @@ static void makeParamTag (vString *name, short nth, bool placeholder)
 	{
 		e->extensionFields.nth = nth;
 		if (placeholder)
-			e->placeholder = 1;
+			markTagAsPlaceholder (e, placeholder);
 	}
 }
 

parsers/r.c

@@ -959,7 +959,7 @@ static void parseRightSide (tokenInfo *const token, tokenInfo *const symbol, int
 			foreachEntriesInScope (corkIndex, NULL,
 								   findNonPlaceholder, &any_non_placehoders);
 			if (!any_non_placehoders)
-				tag->placeholder = 1;
+				markTagAsPlaceholder (tag, true);
 		}
 	}
 

parsers/ruby.c

@@ -705,7 +705,7 @@ static void enterUnnamedScope (void)
 	{
 		tagEntryInfo e;
 		initTagEntry (&e, "", e_parent->kindIndex);
-		e.placeholder = 1;
+		markTagAsPlaceholder(&e, true);
 		r = makeTagEntry (&e);
 	}
 	nestingLevelsPush (nesting, r);