119 lines
6.5 KiB
C
119 lines
6.5 KiB
C
#if GC
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# define GCONST const
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#else
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# define GCONST
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#endif
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// gconst-note@8 {{variable 'glb' declared const here}}
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GCONST int glb = 5;
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// Check various correct prefix spellings and combinations.
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//
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// RUN: %clang_cc1 -DGC -verify=gconst %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -verify=lconst %s
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// RUN: %clang_cc1 -DSC -verify=expected %s
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// RUN: %clang_cc1 -DSC -verify %s
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// RUN: %clang_cc1 -DSC -verify -verify %s
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// RUN: %clang_cc1 -verify=nconst %s
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// RUN: %clang_cc1 -verify=n-const %s
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// RUN: %clang_cc1 -verify=n_const %s
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// RUN: %clang_cc1 -verify=NConst %s
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// RUN: %clang_cc1 -verify=NConst2 %s
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC -verify=gconst,lconst %s
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC -DSC -verify=gconst,lconst,expected %s
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC -verify=gconst -verify=lconst %s
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC -DSC -verify=gconst,lconst -verify %s
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// RUN: %clang_cc1 -DGC -DSC -verify -verify=gconst -verify %s
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//
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// Duplicate prefixes.
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC -verify=gconst,lconst,gconst %s
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// RUN: %clang_cc1 -DGC -verify=gconst -verify=gconst,gconst %s
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// RUN: %clang_cc1 -DSC -verify=expected -verify=expected %s
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// RUN: %clang_cc1 -DSC -verify -verify=expected %s
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//
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// Various tortured cases: multiple directives with different prefixes per
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// line, prefixes used as comments, prefixes prefixing prefixes, and prefixes
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// with special suffixes.
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// RUN: %clang_cc1 -Wcast-qual -DLC -verify=foo %s
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// RUN: %clang_cc1 -DSC -verify=bar %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo,bar %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar,foo %s
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// RUN: %clang_cc1 -DSC -verify=foo-bar %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -verify=bar-foo %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo,foo-bar %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo-bar,foo %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar,bar-foo %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar-foo,bar %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo-bar,bar-foo %s
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// RUN: %clang_cc1 -DSC -verify=foo-warning %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -verify=bar-warning-re %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo,foo-warning %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo-warning,foo %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar,bar-warning-re %s
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// RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar-warning-re,bar %s
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// Check invalid prefixes. Check that there's no additional output, which
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// might indicate that diagnostic verification became enabled even though it
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// was requested incorrectly. Check that prefixes are reported in command-line
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// order.
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//
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// RUN: not %clang_cc1 -verify=5abc,-xy,foo,_k -verify='#a,b$' %s 2> %t
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// RUN: FileCheck --check-prefixes=ERR %s < %t
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//
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// ERR-NOT: {{.}}
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// ERR: error: invalid value '5abc' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NEXT: error: invalid value '-xy' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NEXT: error: invalid value '_k' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NEXT: error: invalid value '#a' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NEXT: error: invalid value 'b$' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NOT: {{.}}
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// Check that our test code actually has expected diagnostics when there's no
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// -verify.
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//
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// RUN: not %clang_cc1 -Wcast-qual -DGC -DLC -DSC %s 2> %t
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// RUN: FileCheck --check-prefix=ALL %s < %t
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//
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// ALL: cannot assign to variable 'glb' with const-qualified type 'const int'
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// ALL: variable 'glb' declared const here
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// ALL: cast from 'const int *' to 'int *' drops const qualifier
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// ALL: initializing 'int *' with an expression of type 'const int *' discards qualifiers
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#if LC
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# define LCONST const
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#else
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# define LCONST
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#endif
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#if SC
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# define SCONST const
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#else
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# define SCONST
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#endif
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void foo() {
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LCONST int loc = 5;
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SCONST static int sta = 5;
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// We don't actually expect 1-2 occurrences of this error. We're just
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// checking the parsing.
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glb = 6; // gconst-error1-2 {{cannot assign to variable 'glb' with const-qualified type 'const int'}}
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*(int*)(&loc) = 6; // lconst-warning {{cast from 'const int *' to 'int *' drops const qualifier}}
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; // Code, comments, and many directives with different prefixes per line, including cases where some prefixes (foo and bar) prefix others (such as foo-bar and bar-foo), such that some prefixes appear as normal comments and some have special suffixes (-warning and -re): foo-warning@-1 {{cast from 'const int *' to 'int *' drops const qualifier}} foo-bar-warning@+1 {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}} foo-warning-warning@+1 {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}} bar-warning-re-warning@-1 {{cast from 'const int *' to 'int *' drops const qualifier}} bar-foo-warning@-1 {{cast from 'const int *' to 'int *' drops const qualifier}} bar-warning@+1 {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}}
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int *p = &sta; // expected-warning {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}}
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}
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// nconst-no-diagnostics
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// n-const-no-diagnostics
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// n_const-no-diagnostics
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// NConst-no-diagnostics
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// NConst2-no-diagnostics
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