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1 // RUN: rm -rf %t
2 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c -verify -fmodules-cache-path=%t -I %S/Inputs %s
3 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c -verify -fmodules-cache-path=%t -I %S/Inputs %s -DALT
4 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c -verify -fmodules-cache-path=%t -I %S/Inputs %s -detailed-preprocessing-record
5 // RUN: not %clang_cc1 -E -fmodules -fimplicit-module-maps -x objective-c -fmodules-cache-path=%t -I %S/Inputs %s | FileCheck -check-prefix CHECK-PREPROCESSED %s
6 //
7 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c++ -verify -fmodules-cache-path=%t -I %S/Inputs %s
8 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c++ -verify -fmodules-cache-path=%t -I %S/Inputs %s -DALT
9 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c++ -verify -fmodules-cache-path=%t -I %S/Inputs %s -detailed-preprocessing-record
10 // RUN: not %clang_cc1 -E -fmodules -fimplicit-module-maps -x objective-c++ -fmodules-cache-path=%t -I %S/Inputs %s | FileCheck -check-prefix CHECK-PREPROCESSED %s
11 //
12 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -DLOCAL_VISIBILITY -fmodules-local-submodule-visibility -x objective-c++ -verify -fmodules-cache-path=%t -I %S/Inputs %s
13 // FIXME: When we have a syntax for modules in C, use that.
14 // These notes come from headers in modules, and are bogus.
15 
16 // FIXME: expected-note@Inputs/macros_left.h:11{{previous definition is here}}
17 // FIXME: expected-note@Inputs/macros_right.h:12{{previous definition is here}}
18 // expected-note@Inputs/macros_right.h:12{{expanding this definition of 'LEFT_RIGHT_DIFFERENT'}}
19 // expected-note@Inputs/macros_right.h:13{{expanding this definition of 'LEFT_RIGHT_DIFFERENT2'}}
20 // expected-note@Inputs/macros_left.h:14{{other definition of 'LEFT_RIGHT_DIFFERENT'}}
21 
22 @import macros;
23 
24 #ifndef INTEGER
25 #  error INTEGER macro should be visible
26 #endif
27 
28 #ifdef FLOAT
29 #  error FLOAT macro should not be visible
30 #endif
31 
32 #ifdef MODULE
33 #  error MODULE macro should not be visible
34 #endif
35 
36 #ifndef INDIRECTLY_IN_MACROS
37 #  error INDIRECTLY_IN_MACROS should be visible
38 #endif
39 
40 // CHECK-PREPROCESSED: double d
41 double d;
42 DOUBLE *dp = &d;
43 
44 #__public_macro WIBBLE // expected-error{{no macro named 'WIBBLE'}}
45 
f()46 void f() {
47   // CHECK-PREPROCESSED: int i = INTEGER;
48   int i = INTEGER; // the value was exported, the macro was not.
49   i += macros; // expanded from __MODULE__ within the 'macros' module.
50 }
51 
52 #ifdef __MODULE__
53 # error Not building a module!
54 #endif
55 
56 #if __building_module(macros)
57 # error Not building a module
58 #endif
59 
60 // None of the modules we depend on have been imported, and therefore
61 // their macros should not be visible.
62 #ifdef LEFT
63 #  error LEFT should not be visible
64 #endif
65 
66 #ifdef RIGHT
67 #  error RIGHT should not be visible
68 #endif
69 
70 #ifdef TOP
71 #  error TOP should not be visible
72 #endif
73 
74 #undef INTEGER
75 #define INTEGER int
76 
77 // Import left module (which also imports top)
78 @import macros_left;
79 
80 INTEGER my_integer = 0;
81 
82 #ifndef LEFT
83 #  error LEFT should be visible
84 #endif
85 
86 #ifdef RIGHT
87 #  error RIGHT should not be visible
88 #endif
89 
90 #ifndef TOP
91 #  error TOP should be visible
92 #endif
93 
94 #ifdef TOP_LEFT_UNDEF
95 #  error TOP_LEFT_UNDEF should not be defined
96 #endif
97 
test1()98 void test1() {
99   int i;
100   TOP_RIGHT_REDEF *ip = &i;
101 }
102 
103 #define LEFT_RIGHT_DIFFERENT2 double // FIXME: expected-warning{{'LEFT_RIGHT_DIFFERENT2' macro redefined}} \
104                                      // expected-note{{other definition of 'LEFT_RIGHT_DIFFERENT2'}}
105 
106 // Import right module (which also imports top)
107 @import macros_right;
108 
109 #undef LEFT_RIGHT_DIFFERENT3
110 
111 #ifndef LEFT
112 #  error LEFT should be visible
113 #endif
114 
115 #ifndef RIGHT
116 #  error RIGHT should be visible
117 #endif
118 
119 #ifndef TOP
120 #  error TOP should be visible
121 #endif
122 
test2()123 void test2() {
124   int i;
125   float f;
126   double d;
127   TOP_RIGHT_REDEF *fp = &f; // ok, right's definition overrides top's definition
128 
129   LEFT_RIGHT_IDENTICAL *ip = &i;
130   LEFT_RIGHT_DIFFERENT *ip2 = &i; // expected-warning{{ambiguous expansion of macro 'LEFT_RIGHT_DIFFERENT'}}
131   LEFT_RIGHT_DIFFERENT2 *ip3 = &i; // expected-warning{{ambiguous expansion of macro 'LEFT_RIGHT_DIFFERENT2}}
132   int LEFT_RIGHT_DIFFERENT3;
133 }
134 
135 #define LEFT_RIGHT_DIFFERENT double // FIXME: expected-warning{{'LEFT_RIGHT_DIFFERENT' macro redefined}}
136 
test3()137 void test3() {
138   double d;
139   LEFT_RIGHT_DIFFERENT *dp = &d; // okay
140   int x = FN_ADD(1,2);
141 }
142 
143 #ifndef TOP_RIGHT_UNDEF
144 #  error TOP_RIGHT_UNDEF should still be defined
145 #endif
146 
147 @import macros_bottom;
148 
TDRUf()149 TOP_DEF_RIGHT_UNDEF *TDRUf() { return TDRUp; }
150 
151 @import macros_right.undef;
152 
153 int TOP_DEF_RIGHT_UNDEF; // ok, no longer defined
154 
155 #ifdef LOCAL_VISIBILITY
156 // TOP_RIGHT_UNDEF should not be undefined, because macros_right.undef does
157 // not undefine macros_right's macro.
158 # ifndef TOP_RIGHT_UNDEF
159 #  error TOP_RIGHT_UNDEF should still be defined
160 # endif
161 #else
162 // When macros_right.undef is built and local submodule visibility is not
163 // enabled, macros_top is visible because the state from building
164 // macros_right leaks through, so macros_right.undef undefines macros_top's
165 // macro.
166 # ifdef TOP_RIGHT_UNDEF
167 #  error TOP_RIGHT_UNDEF should not be defined
168 # endif
169 #endif
170 
171 #ifdef ALT
172 int tmp = TOP_OTHER_REDEF1;
173 #endif
174 
175 @import macros_other;
176 
177 #ifndef TOP_OTHER_UNDEF1
178 # error TOP_OTHER_UNDEF1 should still be defined
179 #endif
180 
181 #ifndef TOP_OTHER_UNDEF2
182 # error TOP_OTHER_UNDEF2 should still be defined
183 #endif
184 #pragma clang __debug macro TOP_OTHER_REDEF1
185 #ifndef TOP_OTHER_REDEF1
186 # error TOP_OTHER_REDEF1 should still be defined
187 #endif
188 int n1 = TOP_OTHER_REDEF1; // expected-warning{{ambiguous expansion of macro 'TOP_OTHER_REDEF1'}}
189 // expected-note@macros_other.h:4 {{expanding this definition}}
190 // expected-note@macros_top.h:19 {{other definition}}
191 
192 #ifndef TOP_OTHER_REDEF2
193 # error TOP_OTHER_REDEF2 should still be defined
194 #endif
195 int n2 = TOP_OTHER_REDEF2; // ok
196 
197 int n3 = TOP_OTHER_DEF_RIGHT_UNDEF; // ok
198