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llvm-project/clang/test/Modules/lookup.m

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Use the module manager's search facility to look for methods with a given selector, rather than walking the chain backwards. Teach its visitor how to merge multiple result sets into a single result set, combining the results of selector lookup in several different modules into a single result set. llvm-svn: 138556
2011-08-25 22:51:20 +08:00
// lookup_left.h: expected-note{{using}}
// lookup_right.h: expected-note{{also found}}
Introduce support for a simple module import declaration, which loads the named module. The syntax itself is intentionally hideous and will be replaced at some later point with something more palatable. For now, we're focusing on the semantics: - Module imports are handled first by the preprocessor (to get macro definitions) and then the same tokens are also handled by the parser (to get declarations). If both happen (as in normal compilation), the second one is redundant, because we currently have no way to hide macros or declarations when loading a module. Chris gets credit for this mad-but-workable scheme. - The Preprocessor now holds on to a reference to a module loader, which is responsible for loading named modules. CompilerInstance is the only important module loader: it now knows how to create and wire up an AST reader on demand to actually perform the module load. - We search for modules in the include path, using the module name with the suffix ".pcm" (precompiled module) for the file name. This is a temporary hack; we hope to improve the situation in the future. llvm-svn: 138679
2011-08-27 07:56:07 +08:00
__import__ lookup_left_objc;
__import__ lookup_right_objc;
Use the module manager's search facility to look for methods with a given selector, rather than walking the chain backwards. Teach its visitor how to merge multiple result sets into a single result set, combining the results of selector lookup in several different modules into a single result set. llvm-svn: 138556
2011-08-25 22:51:20 +08:00
void test(id x) {
[x method]; // expected-warning{{multiple methods named 'method' found}}
}
Introduce support for a simple module import declaration, which loads the named module. The syntax itself is intentionally hideous and will be replaced at some later point with something more palatable. For now, we're focusing on the semantics: - Module imports are handled first by the preprocessor (to get macro definitions) and then the same tokens are also handled by the parser (to get declarations). If both happen (as in normal compilation), the second one is redundant, because we currently have no way to hide macros or declarations when loading a module. Chris gets credit for this mad-but-workable scheme. - The Preprocessor now holds on to a reference to a module loader, which is responsible for loading named modules. CompilerInstance is the only important module loader: it now knows how to create and wire up an AST reader on demand to actually perform the module load. - We search for modules in the include path, using the module name with the suffix ".pcm" (precompiled module) for the file name. This is a temporary hack; we hope to improve the situation in the future. llvm-svn: 138679
2011-08-27 07:56:07 +08:00
// RUN: %clang_cc1 -emit-module -x objective-c -o %T/lookup_left_objc.pcm %S/Inputs/lookup_left.h
// RUN: %clang_cc1 -emit-module -x objective-c -o %T/lookup_right_objc.pcm %S/Inputs/lookup_right.h
// RUN: %clang_cc1 -x objective-c -I %T -verify %s
// RUN: %clang_cc1 -ast-print -x objective-c -I %T %s | FileCheck -check-prefix=CHECK-PRINT %s
Use the module manager's search facility to look for methods with a given selector, rather than walking the chain backwards. Teach its visitor how to merge multiple result sets into a single result set, combining the results of selector lookup in several different modules into a single result set. llvm-svn: 138556
2011-08-25 22:51:20 +08:00
// CHECK-PRINT: - (int) method;
// CHECK-PRINT: - (double) method
// CHECK-PRINT: void test(id x)