152 lines
5.0 KiB
Diff
152 lines
5.0 KiB
Diff
diff -rU4 -N cscope-15.5/src/constants.h cscope-15.5-findassign/src/constants.h
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--- cscope-15.5/src/constants.h 2003-09-04 11:54:02.000000000 -0400
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+++ cscope-15.5-findassign/src/constants.h 2004-07-01 21:37:42.000000000 -0400
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@@ -92,9 +92,9 @@
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#define CHANGE 5
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#define REGEXP 6
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#define FILENAME 7
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#define INCLUDES 8
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-#define FIELDS 9
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+#define FIELDS 11
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#if (BSD || V9) && !__NetBSD__
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#define TERMINFO 0 /* no terminfo curses */
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#else
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diff -rU4 -N cscope-15.5/src/display.c cscope-15.5-findassign/src/display.c
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--- cscope-15.5/src/display.c 2003-09-04 11:54:02.000000000 -0400
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+++ cscope-15.5-findassign/src/display.c 2004-07-01 21:06:47.000000000 -0400
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@@ -104,8 +104,9 @@
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{"Find this", "egrep pattern", findregexp},
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{"Find this", "file", findfile},
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{"Find", "files #including this file", findinclude},
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{"Find all", "function definitions", findallfcns}, /* samuel only */
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+ {"Find all", "symbol assignments", findassign},
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};
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/* Internal prototypes: */
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static RETSIGTYPE jumpback(int sig);
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diff -rU4 -N cscope-15.5/src/find.c cscope-15.5-findassign/src/find.c
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--- cscope-15.5/src/find.c 2003-09-04 11:58:52.000000000 -0400
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+++ cscope-15.5-findassign/src/find.c 2004-07-01 22:10:31.000000000 -0400
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@@ -76,8 +76,10 @@
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static char *lcasify(char *s);
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static void findcalledbysub(char *file, BOOL macro);
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static void findterm(char *pattern);
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static void putline(FILE *output);
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+static char *find_symbol_or_assignment(char *pattern, BOOL assign_flag);
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+static BOOL check_for_assignment(void);
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static void putpostingref(POSTING *p, char *pat);
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static void putref(int seemore, char *file, char *func);
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static void putsource(int seemore, FILE *output);
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@@ -85,8 +87,79 @@
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char *
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findsymbol(char *pattern)
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{
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+ return find_symbol_or_assignment(pattern, NO);
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+}
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+
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+ /* find the symbol in the cross-reference, and look for assignments */
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+char *
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+findassign(char *pattern)
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+{
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+ return find_symbol_or_assignment(pattern, YES);
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+}
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+
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+ /* Test reference whether it's an assignment to the symbol found at
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+ * (global variable) 'blockp' */
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+static BOOL
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+check_for_assignment(void)
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+{
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+ /* Do the extra work here to determine if this is an
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+ * assignment or not Do this by examining the next character
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+ * or two in blockp */
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+ char *asgn_char = blockp;
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+ int i = 1; /*skip any leading \n*/
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+
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+ while(1) {
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+ if (asgn_char[i] == blockmark) {
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+ /* get the next block when we reach the end of
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+ * the current block */
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+ asgn_char = readblock();
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+ i=0;
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+ }
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+ while (isspace((unsigned char) asgn_char[i])) {
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+ /* skip any whitespace or \n */
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+ i++;
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+ }
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+ /* this next character better be one of the assignment
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+ * characters, ie: =, +=, -=, *=, %=, /=, &=, |=, ^=,
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+ * ~= if not, then its a notmatched case */
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+ if ((asgn_char[i] != '=') &&
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+ (asgn_char[i] != '+') &&
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+ (asgn_char[i] != '-') &&
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+ (asgn_char[i] != '*') &&
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+ (asgn_char[i] != '/') &&
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+ (asgn_char[i] != '%') &&
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+ (asgn_char[i] != '&') &&
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+ (asgn_char[i] != '|') &&
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+ (asgn_char[i] != '^') &&
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+ (asgn_char[i] != '~')) {
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+ return NO;
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+ } else {
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+ /* if the first found character is = and the
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+ * next found character is also =, then this
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+ * is not an assignment. likewise if the
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+ * first character is not = (i.e. one of the
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+ * +,-,*,etc. chars and the next character is
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+ * not =, then this is not an assignment */
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+ if ((((asgn_char[i] == '=')
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+ && (asgn_char[i+1] == '=')))
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+ || ((asgn_char[i] != '=')
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+ && (asgn_char[i+1] != '='))) {
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+ return NO;
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+ }
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+ /* if we pass all these filters then this is
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+ * an assignment */
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+ return YES;
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+ } /* else(operator char?) */
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+ } /* while(endless) */
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+}
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+
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+ /* The actual routine that does the work for findsymbol() and
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+* findassign() */
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+static char *
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+find_symbol_or_assignment(char *pattern, BOOL assign_flag)
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+{
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char file[PATHLEN + 1]; /* source file name */
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char function[PATLEN + 1]; /* function name */
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char macro[PATLEN + 1]; /* macro name */
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char symbol[PATLEN + 1]; /* symbol name */
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@@ -242,8 +315,16 @@
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/* match the rest of the symbol to the text pattern */
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if (matchrest()) {
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s = NULL;
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matched:
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+ /* if the assignment flag is set then
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+ * we are looking for assignments and
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+ * some extra filtering is needed */
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+ if(assign_flag == YES
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+ && ! check_for_assignment())
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+ goto notmatched;
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+
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+
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/* output the file, function or macro, and source line */
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if (strcmp(macro, global) && s != macro) {
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putref(0, file, macro);
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}
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diff -rU4 -N cscope-15.5/src/global.h cscope-15.5-findassign/src/global.h
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--- cscope-15.5/src/global.h 2003-09-04 11:54:03.000000000 -0400
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+++ cscope-15.5-findassign/src/global.h 2004-07-01 21:19:24.000000000 -0400
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@@ -318,8 +318,9 @@
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char *finddef(char *pattern);
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char *findfile(char *dummy);
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char *findinclude(char *pattern);
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char *findsymbol(char *pattern);
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+char *findassign(char *pattern);
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char *findregexp(char *egreppat);
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char *findstring(char *pattern);
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char *inviewpath(char *file);
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char *lookup(char *ident);
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