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c51c38b4ec
Many of our supported configurations support modules but do not have any first-class syntax to perform a module import. This leaves us with a problem: there is no way to represent the expansion of a #include that imports a module in the -E output for such languages. (We don't want to just leave it as a #include because that requires the consumer of the preprocessed source to have the same file system layout and include paths as the creator.) This patch adds a new pragma: #pragma clang module import MODULE.NAME.HERE that imports a module, and changes -E and -frewrite-includes to use it when rewriting a #include that maps to a module import. We don't make any attempt to use a native language syntax import if one exists, to get more consistent output. (If in the future, @import and #include have different semantics in some way, the pragma will track the #include semantics.) llvm-svn: 301725
28 lines
1.9 KiB
Objective-C
28 lines
1.9 KiB
Objective-C
// RUN: rm -rf %t
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -I %S/Inputs/preprocess -include %S/Inputs/preprocess-prefix.h -E %s | FileCheck -strict-whitespace %s
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -I %S/Inputs/preprocess -x objective-c-header -emit-pch %S/Inputs/preprocess-prefix.h -o %t.pch
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -I %S/Inputs/preprocess -include-pch %t.pch -E %s | FileCheck -strict-whitespace %s
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//
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -I %S/Inputs/preprocess -x objective-c++ -include %S/Inputs/preprocess-prefix.h -E %s | FileCheck -strict-whitespace %s
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -I %S/Inputs/preprocess -x objective-c++-header -emit-pch %S/Inputs/preprocess-prefix.h -o %t.pch
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// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -I %S/Inputs/preprocess -x objective-c++ -include-pch %t.pch -E %s | FileCheck -strict-whitespace %s
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#import "diamond_right.h"
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#import "diamond_right.h" // to check that imports get their own line
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#include "file.h"
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void test() {
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top_left_before();
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left_and_right();
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}
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// CHECK: int left_and_right(int *);{{$}}
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// CHECK-NEXT: #pragma clang module import diamond_left /* clang -E: implicit import for #import "diamond_left.h" */{{$}}
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// CHECK: #pragma clang module import diamond_right /* clang -E: implicit import for #import "diamond_right.h" */{{$}}
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// CHECK: #pragma clang module import diamond_right /* clang -E: implicit import for #import "diamond_right.h" */{{$}}
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// CHECK: #pragma clang module import file /* clang -E: implicit import for #include "file.h" */{{$}}
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// CHECK-NEXT: void test() {{{$}}
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// CHECK-NEXT: top_left_before();{{$}}
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// CHECK-NEXT: left_and_right();{{$}}
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// CHECK-NEXT: }{{$}}
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