Changeset da68871a in mainline for kernel/generic/src/debug/symtab.c

Timestamp:

2012-08-08T08:46:22Z (13 years ago)

Author:

Adam Hraska <adam.hraska+hos@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

30c0826

Parents:

bc216a0 (diff), 1d01cca (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merged changes from mainline.

File:

• kernel/generic/src/debug/symtab.c (modified) (5 diffs)

kernel/generic/src/debug/symtab.c

@@ -43 +43 @@
 #include <typedefs.h>
 #include <errno.h>
+#include <console/prompt.h>
 
 /** Get name of a symbol that seems most likely to correspond to address.
@@ -209 +210 @@
  *
  */
-int symtab_compl(char *input, size_t size)
+int symtab_compl(char *input, size_t size, indev_t *indev)
 {
 #ifdef CONFIG_SYMTAB
@@ -227 +228 @@
         char output[MAX_SYMBOL_NAME];
         
+        /*
+         * Maximum Match Length: Length of longest matching common substring in
+         * case more than one match is found.
+         */
+        size_t max_match_len = size;
+        size_t max_match_len_tmp = size;
+        size_t input_len = str_length(input);
+        char *sym_name;
+        size_t hints_to_show = MAX_TAB_HINTS - 1;
+        size_t total_hints_shown = 0;
+        bool continue_showing_hints = true;
+        
         output[0] = 0;
+        
+        while ((hint = symtab_search_one(name, &pos)))
+                pos++;
+        
+        pos = 0;
         
         while ((hint = symtab_search_one(name, &pos))) {
@@ -235 +253 @@
                 pos++;
                 found++;
+        }
+        
+        /*
+         * If the number of possible completions is more than MAX_TAB_HINTS,
+         * ask the user whether to display them or not.
+         */
+        if (found > MAX_TAB_HINTS) {
+                printf("\n");
+                continue_showing_hints =
+                    console_prompt_display_all_hints(indev, found);
         }
         
@@ -241 +269 @@
                 pos = 0;
                 while (symtab_search_one(name, &pos)) {
-                        printf("%s\n", symbol_table[pos].symbol_name);
+                        sym_name = symbol_table[pos].symbol_name;
                         pos++;
+                        
+                        if (continue_showing_hints) {
+                                /* We are still showing hints */
+                                printf("%s\n", sym_name);
+                                --hints_to_show;
+                                ++total_hints_shown;
+                                
+                                if ((hints_to_show == 0) && (total_hints_shown != found)) {
+                                        /* Ask the user to continue */
+                                        continue_showing_hints =
+                                            console_prompt_more_hints(indev, &hints_to_show);
+                                }
+                        }
+                        
+                        for (max_match_len_tmp = 0;
+                            (output[max_match_len_tmp] ==
+                            sym_name[input_len + max_match_len_tmp]) &&
+                            (max_match_len_tmp < max_match_len); ++max_match_len_tmp);
+                        
+                        max_match_len = max_match_len_tmp;
                 }
+                
+                /* Keep only the characters common in all completions */
+                output[max_match_len] = 0;
         }