deimos.llvm.config.llvm_config source code

1 /* include/llvm/Config/llvm-config.h. Generated from llvm-config.h.in by configure. */
2 /*===-- llvm/config/llvm-config.h - llvm configure variable -------*- C -*-===*/
3 /* */
4 /* The LLVM Compiler Infrastructure */
5 /* */
6 /* This file is distributed under the University of Illinois Open Source */
7 /* License. See LICENSE.TXT for details. */
8 /* */
9 /*===----------------------------------------------------------------------===*/
10 
11 /* This file enumerates all of the llvm variables from configure so that
12 they can be in exported headers and won't override package specific
13 directives. This is a C file so we can include it in the llvm-c headers. */
14 
15 module deimos.llvm.config.llvm_config;
16 
17 version(llvmNoConfig) {}
18 else:
19 
20 private
21 {
22   import std.string : splitLines;
23   import std.algorithm : startsWith, countUntil, filter;
24 
25   string llvmConfig()
26   {
27     enum defineStr = "#define";
28     auto defines = import("llvm-config.h")
29                    .splitLines()
30                    .filter!(line => line.startsWith(defineStr))();
31 
32     auto code = "";
33     foreach (d; defines)
34     {
35       d = d[defineStr.length+1 .. $];
36       auto identifier = d[0 .. d.countUntil(" ")];
37       d = d[identifier.length+1 .. $];
38       switch (identifier)
39       {
40         default:
41           if (d.startsWith("LLVMInitialize"))
42              code ~= "alias " ~ identifier ~ " = " ~ d ~ ";\n";
43           else
44              code ~= "enum " ~ identifier ~ " = " ~ d ~ ";\n";
45           break;
46         case "LLVM_NATIVE_ARCH":
47           code ~= "enum " ~ identifier ~ " = \"" ~ d ~ "\";\n";
48           break;
49         case "HAVE_MMAP_FILE":
50           code ~= "enum " ~ identifier ~ " = true;\n";
51           break;
52         case "RETSIGTYPE":
53           code ~= "enum " ~ identifier ~ " = typeid(" ~ d ~ ");\n";
54           break;
55       }
56     }
57 
58     return code;
59   }
60 }
61 
62 import deimos.llvm.c.target;
63 extern(C) nothrow:
64 mixin(llvmConfig());