winedbg: Support setting a breakpoint from a file name and line number.

programs/winedbg/break.c

@@ -292,7 +292,7 @@ static BOOL CALLBACK line_cb(SRCCODEINFO* sci, void* user)
  *
  * Add a breakpoint from a line number in current file
  */
-void	break_add_break_from_lineno(int lineno, BOOL swbp)
+void break_add_break_from_lineno(const char *filename, int lineno, BOOL swbp)
 {
     struct cb_break_lineno      bkln;
 
@@ -301,20 +301,23 @@ void	break_add_break_from_lineno(int lineno, BOOL swbp)
     if (lineno != -1)
     {
         IMAGEHLP_LINE64 il;
-
-
-        DWORD           disp;
         DWORD_PTR       linear = (DWORD_PTR)memory_to_linear_addr(&bkln.addr);
 
-        il.SizeOfStruct = sizeof(il);
-        if (!SymGetLineFromAddr64(dbg_curr_process->handle, linear, &disp, &il))
+        if (!filename)
         {
-            dbg_printf("Unable to add breakpoint (unknown address %lx)\n", linear);
-            return;
+            DWORD disp;
+
+            il.SizeOfStruct = sizeof(il);
+            if (!SymGetLineFromAddr64(dbg_curr_process->handle, linear, &disp, &il))
+            {
+                dbg_printf("Unable to add breakpoint (unknown address %lx)\n", linear);
+                return;
+            }
+            filename = il.FileName;
         }
         bkln.addr.Offset = 0;
         bkln.lineno = lineno;
-        SymEnumLines(dbg_curr_process->handle, linear, NULL, il.FileName, line_cb, &bkln);
+        SymEnumLines(dbg_curr_process->handle, linear, NULL, filename, line_cb, &bkln);
         if (!bkln.addr.Offset)
         {
             dbg_printf("Unknown line number\n"

programs/winedbg/dbg.y

@@ -233,14 +233,14 @@ print_command:
 break_command:
       tBREAK '*' expr_lvalue    { break_add_break_from_lvalue(&$3, TRUE); }
     | tBREAK identifier         { break_add_break_from_id($2, -1, TRUE); }
-    | tBREAK identifier ':' tNUM { break_add_break_from_id($2, $4, TRUE); }
-    | tBREAK tNUM     	        { break_add_break_from_lineno($2, TRUE); }
-    | tBREAK                    { break_add_break_from_lineno(-1, TRUE); }
+    | tBREAK pathname ':' tNUM  { break_add_break_from_lineno($2, $4, TRUE); }
+    | tBREAK tNUM               { break_add_break_from_lineno(NULL, $2, TRUE); }
+    | tBREAK                    { break_add_break_from_lineno(NULL, -1, TRUE); }
     | tHBREAK '*' expr_lvalue   { break_add_break_from_lvalue(&$3, FALSE); }
     | tHBREAK identifier        { break_add_break_from_id($2, -1, FALSE); }
-    | tHBREAK identifier ':' tNUM { break_add_break_from_id($2, $4, FALSE); }
-    | tHBREAK tNUM     	        { break_add_break_from_lineno($2, FALSE); }
-    | tHBREAK                   { break_add_break_from_lineno(-1, FALSE); }
+    | tHBREAK pathname ':' tNUM { break_add_break_from_lineno($2, $4, FALSE); }
+    | tHBREAK tNUM              { break_add_break_from_lineno(NULL, $2, FALSE); }
+    | tHBREAK                   { break_add_break_from_lineno(NULL, -1, FALSE); }
     | tENABLE tNUM              { break_enable_xpoint($2, TRUE); }
     | tENABLE tBREAK tNUM     	{ break_enable_xpoint($3, TRUE); }
     | tDISABLE tNUM             { break_enable_xpoint($2, FALSE); }

programs/winedbg/debug.l

@@ -200,8 +200,8 @@ STRING     \"[^\n"]+\"
 <INITIAL,NOPROCESS>source|sourc|sour|src { BEGIN(PATH_EXPECTED); return tSOURCE; }
 <INITIAL>symbolfile|symbols|symbol|sf   { BEGIN(PATH_EXPECTED); return tSYMBOLFILE; }
 
-<INITIAL,INFO_CMD,BD_CMD>break|brea|bre|br|b	{ BEGIN(NOCMD); return tBREAK; }
-<INITIAL,INFO_CMD,BD_CMD>hbreak|hbrea|hbre|hbr|hb { BEGIN(NOCMD); return tHBREAK; }
+<INITIAL,INFO_CMD,BD_CMD>break|brea|bre|br|b	{ BEGIN(PATH_ACCEPTED); return tBREAK; }
+<INITIAL,INFO_CMD,BD_CMD>hbreak|hbrea|hbre|hbr|hb { BEGIN(PATH_ACCEPTED); return tHBREAK; }
 <INITIAL>watch|watc|wat			{ BEGIN(NOCMD); return tWATCH; }
 <INITIAL>rwatch|rwatc|rwat		{ BEGIN(NOCMD); return tRWATCH; }
 <INITIAL>whatis|whati|what		{ BEGIN(NOCMD); return tWHATIS; }

programs/winedbg/debugger.h

@@ -293,7 +293,7 @@ extern void             break_set_xpoints(BOOL set);
 extern BOOL             break_add_break(const ADDRESS64* addr, BOOL verbose, BOOL swbp);
 extern BOOL             break_add_break_from_lvalue(const struct dbg_lvalue* value, BOOL swbp);
 extern void             break_add_break_from_id(const char* name, int lineno, BOOL swbp);
-extern void             break_add_break_from_lineno(int lineno, BOOL swbp);
+extern void             break_add_break_from_lineno(const char *filename, int lineno, BOOL swbp);
 extern void             break_add_watch_from_lvalue(const struct dbg_lvalue* lvalue, BOOL is_write);
 extern void             break_add_watch_from_id(const char* name, BOOL is_write);
 extern void             break_check_delayed_bp(void);