[libclang] Add infrastructure to be able to only deserialize decls in a file region and

use it for clang_getCursor.

llvm-svn: 143605

5 files changed, 83 insertions, 0 deletions

diff --git a/clang/test/Index/targeted-cursor.c b/clang/test/Index/targeted-cursor.c
new file mode 100644
index 00000000000..ec03156c61b
--- /dev/null
+++ b/clang/test/Index/targeted-cursor.c
@@ -0,0 +1,52 @@
+
+#include "targeted-top.h"
+#include "targeted-preamble.h"
+
+int LocalVar1;
+int LocalVar2;
+
+// RUN: c-index-test -write-pch %t.h.pch %S/targeted-top.h
+// RUN: env CINDEXTEST_FAILONERROR=1 c-index-test -cursor-at=%s:5:10 %s -include %t.h \
+// RUN:    -Xclang -error-on-deserialized-decl=NestedVar1  \
+// RUN:    -Xclang -error-on-deserialized-decl=TopVar  \
+// RUN:  | FileCheck %s -check-prefix=LOCAL-CURSOR1
+
+// RUN: env CINDEXTEST_FAILONERROR=1 c-index-test -cursor-at=%S/targeted-top.h:11:15 %s -include %t.h \
+// RUN:    -Xclang -error-on-deserialized-decl=NestedVar1  \
+// RUN:    -Xclang -error-on-deserialized-decl=vector_get_x  \
+// RUN:  | FileCheck %s -check-prefix=TOP-CURSOR1
+
+// RUN: env CINDEXTEST_FAILONERROR=1 c-index-test -cursor-at=%S/targeted-nested1.h:2:16 %s -include %t.h \
+// RUN:    -Xclang -error-on-deserialized-decl=TopVar  \
+// RUN:  | FileCheck %s -check-prefix=NESTED-CURSOR1
+
+// RUN: env CINDEXTEST_FAILONERROR=1 CINDEXTEST_EDITING=1 CINDEXTEST_COMPLETION_NO_CACHING=1 \
+// RUN:   c-index-test -cursor-at=%s:5:10 %s -include %t.h \
+// RUN:    -Xclang -error-on-deserialized-decl=PreambleVar  \
+// RUN:    -Xclang -error-on-deserialized-decl=NestedVar1  \
+// RUN:    -Xclang -error-on-deserialized-decl=TopVar  \
+// RUN:  | FileCheck %s -check-prefix=LOCAL-CURSOR1
+
+// RUN: env CINDEXTEST_FAILONERROR=1 CINDEXTEST_EDITING=1 CINDEXTEST_COMPLETION_NO_CACHING=1 \
+// RUN:   c-index-test -cursor-at=%S/targeted-top.h:11:15 %s -include %t.h \
+// RUN:    -Xclang -error-on-deserialized-decl=PreambleVar  \
+// RUN:    -Xclang -error-on-deserialized-decl=NestedVar1  \
+// RUN:    -Xclang -error-on-deserialized-decl=vector_get_x  \
+// RUN:  | FileCheck %s -check-prefix=TOP-CURSOR1
+
+// RUN: env CINDEXTEST_FAILONERROR=1 CINDEXTEST_EDITING=1 CINDEXTEST_COMPLETION_NO_CACHING=1 \
+// RUN:   c-index-test -cursor-at=%S/targeted-nested1.h:2:16 %s -include %t.h \
+// RUN:    -Xclang -error-on-deserialized-decl=PreambleVar  \
+// RUN:    -Xclang -error-on-deserialized-decl=TopVar  \
+// RUN:  | FileCheck %s -check-prefix=NESTED-CURSOR1
+
+// RUN: env CINDEXTEST_FAILONERROR=1 CINDEXTEST_EDITING=1 CINDEXTEST_COMPLETION_NO_CACHING=1 \
+// RUN:   c-index-test -cursor-at=%S/targeted-preamble.h:2:15 %s -include %t.h \
+// RUN:    -Xclang -error-on-deserialized-decl=NestedVar1  \
+// RUN:    -Xclang -error-on-deserialized-decl=TopVar  \
+// RUN:  | FileCheck %s -check-prefix=PREAMBLE-CURSOR1
+
+// LOCAL-CURSOR1: VarDecl=LocalVar1:5:5
+// TOP-CURSOR1: VarDecl=TopVar:11:12
+// NESTED-CURSOR1: VarDecl=NestedVar1:2:12
+// PREAMBLE-CURSOR1: VarDecl=PreambleVar:2:12
diff --git a/clang/test/Index/targeted-fields.h b/clang/test/Index/targeted-fields.h
new file mode 100644
index 00000000000..7da57f3ef27
--- /dev/null
+++ b/clang/test/Index/targeted-fields.h
@@ -0,0 +1,3 @@
+
+  int z;
+  int w;
diff --git a/clang/test/Index/targeted-nested1.h b/clang/test/Index/targeted-nested1.h
new file mode 100644
index 00000000000..d5a019b6985
--- /dev/null
+++ b/clang/test/Index/targeted-nested1.h
@@ -0,0 +1,2 @@
+
+extern int NestedVar1;
diff --git a/clang/test/Index/targeted-preamble.h b/clang/test/Index/targeted-preamble.h
new file mode 100644
index 00000000000..19b953933f1
--- /dev/null
+++ b/clang/test/Index/targeted-preamble.h
@@ -0,0 +1,2 @@
+
+extern int PreambleVar;
diff --git a/clang/test/Index/targeted-top.h b/clang/test/Index/targeted-top.h
new file mode 100644
index 00000000000..0f3c97586e4
--- /dev/null
+++ b/clang/test/Index/targeted-top.h
@@ -0,0 +1,24 @@
+
+#ifndef TARGETED_TOP_H
+#define TARGETED_TOP_H
+
+#include "targeted-nested1.h"
+
+enum {
+  VALUE = 3
+};
+
+extern int TopVar;
+
+typedef struct {
+  int x;
+  int y;
+#include "targeted-fields.h"
+} Vector;
+
+static inline int vector_get_x(Vector v) {
+  int x = v.x;
+  return x;
+}
+
+#endif