1
2 /* Compiler implementation of the D programming language
3 * Copyright (C) 2010-2019 by The D Language Foundation, All Rights Reserved
4 * written by Walter Bright
5 * http://www.digitalmars.com
6 * Distributed under the Boost Software License, Version 1.0.
7 * http://www.boost.org/LICENSE_1_0.txt
8 * https://github.com/D-Programming-Language/dmd/blob/master/src/imphint.c
9 */
10
11
12 #include "root/dsystem.h"
13
14 #include "mars.h"
15
16 /******************************************
17 * Looks for undefined identifier s to see
18 * if it might be undefined because an import
19 * was not specified.
20 * Not meant to be a comprehensive list of names in each module,
21 * just the most common ones.
22 */
23
importHint(const char * s)24 const char *importHint(const char *s)
25 {
26 static const char *modules[] =
27 { "core.stdc.stdio",
28 "std.stdio",
29 "std.math",
30 NULL
31 };
32 static const char *names[] =
33 {
34 "printf", NULL,
35 "writeln", NULL,
36 "sin", "cos", "sqrt", "fabs", NULL,
37 };
38 int m = 0;
39 for (int n = 0; modules[m]; n++)
40 {
41 const char *p = names[n];
42 if (p == NULL)
43 {
44 m++;
45 continue;
46 }
47 assert(modules[m]);
48 if (strcmp(s, p) == 0)
49 return modules[m];
50 }
51 return NULL; // didn't find it
52 }
53