Introduce a CIndex API for lexing the raw tokens within a given source
range. The token-annotation function does nothing, yet.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94551 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Index/annotate-tokens.c b/test/Index/annotate-tokens.c
new file mode 100644
index 0000000..6d2b4d2
--- /dev/null
+++ b/test/Index/annotate-tokens.c
@@ -0,0 +1,63 @@
+typedef int T;
+struct X { int a, b; };
+void f(void *ptr) {
+  T* t_ptr = (T *)ptr;
+  (void)sizeof(T);
+  /* A comment */
+  struct X x = (struct X){1, 2};
+  void *xx = ptr ? : &x;
+  const char * hello = "Hello";
+}
+
+// RUN: c-index-test -test-annotate-tokens=%s:4:1:9:32 %s | FileCheck %s
+// CHECK: Identifier: "T" [4:3 - 4:3]
+// CHECK: Punctuation: "*" [4:4 - 4:4]
+// CHECK: Identifier: "t_ptr" [4:6 - 4:10]
+// CHECK: Punctuation: "=" [4:12 - 4:12]
+// CHECK: Punctuation: "(" [4:14 - 4:14]
+// CHECK: Identifier: "T" [4:15 - 4:15]
+// CHECK: Punctuation: "*" [4:17 - 4:17]
+// CHECK: Punctuation: ")" [4:18 - 4:18]
+// CHECK: Identifier: "ptr" [4:19 - 4:21]
+// CHECK: Punctuation: ";" [4:22 - 4:22]
+// CHECK: Punctuation: "(" [5:3 - 5:3]
+// CHECK: Keyword: "void" [5:4 - 5:7]
+// CHECK: Punctuation: ")" [5:8 - 5:8]
+// CHECK: Keyword: "sizeof" [5:9 - 5:14]
+// CHECK: Punctuation: "(" [5:15 - 5:15]
+// CHECK: Identifier: "T" [5:16 - 5:16]
+// CHECK: Punctuation: ")" [5:17 - 5:17]
+// CHECK: Punctuation: ";" [5:18 - 5:18]
+// CHECK: Comment: "/* A comment */" [6:3 - 6:17]
+// CHECK: Keyword: "struct" [7:3 - 7:8]
+// CHECK: Identifier: "X" [7:10 - 7:10]
+// CHECK: Identifier: "x" [7:12 - 7:12]
+// CHECK: Punctuation: "=" [7:14 - 7:14]
+// CHECK: Punctuation: "(" [7:16 - 7:16]
+// CHECK: Keyword: "struct" [7:17 - 7:22]
+// CHECK: Identifier: "X" [7:24 - 7:24]
+// CHECK: Punctuation: ")" [7:25 - 7:25]
+// CHECK: Punctuation: "{" [7:26 - 7:26]
+// CHECK: Literal: "1" [7:27 - 7:27]
+// CHECK: Punctuation: "," [7:28 - 7:28]
+// CHECK: Literal: "2" [7:30 - 7:30]
+// CHECK: Punctuation: "}" [7:31 - 7:31]
+// CHECK: Punctuation: ";" [7:32 - 7:32]
+// CHECK: Keyword: "void" [8:3 - 8:6]
+// CHECK: Punctuation: "*" [8:8 - 8:8]
+// CHECK: Identifier: "xx" [8:9 - 8:10]
+// CHECK: Punctuation: "=" [8:12 - 8:12]
+// CHECK: Identifier: "ptr" [8:14 - 8:16]
+// CHECK: Punctuation: "?" [8:18 - 8:18]
+// CHECK: Punctuation: ":" [8:20 - 8:20]
+// CHECK: Punctuation: "&" [8:22 - 8:22]
+// CHECK: Identifier: "x" [8:23 - 8:23]
+// CHECK: Punctuation: ";" [8:24 - 8:24]
+// CHECK: Keyword: "const" [9:3 - 9:7]
+// CHECK: Keyword: "char" [9:9 - 9:12]
+// CHECK: Punctuation: "*" [9:14 - 9:14]
+// CHECK: Identifier: "hello" [9:16 - 9:20]
+// CHECK: Punctuation: "=" [9:22 - 9:22]
+// CHECK: Literal: ""Hello"" [9:24 - 9:30]
+// CHECK: Punctuation: ";" [9:31 - 9:31]
+// CHECK: Punctuation: "}" [10:1 - 10:1]