[PATCH] D61217: Fix PCH skipping to handle all Lexers
Mike Rice via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Apr 29 14:21:29 PDT 2019
This revision was automatically updated to reflect the committed changes.
Closed by commit rC359506: When skipping code at the start of a file during PCH use, Preprocessor::Lex (authored by mikerice, committed by ).
Herald added a project: clang.
Repository:
rC Clang
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D61217/new/
https://reviews.llvm.org/D61217
Files:
lib/Lex/Preprocessor.cpp
test/PCH/Inputs/pch-through-macro.h
test/PCH/pch-through4.cpp
test/PCH/pch-through4a.cpp
Index: test/PCH/pch-through4a.cpp
===================================================================
--- test/PCH/pch-through4a.cpp
+++ test/PCH/pch-through4a.cpp
@@ -0,0 +1,16 @@
+// expected-no-diagnostics
+// Create PCH with a through header.
+// RUN: %clang_cc1 -verify -I %S -emit-pch \
+// RUN: -pch-through-header=Inputs/pch-through1.h \
+// RUN: -fms-extensions -o %t.pch -x c++-header %s
+
+// Create the PCH object
+// RUN: %clang_cc1 -verify -I %S -emit-obj -include-pch %t.pch \
+// RUN: -pch-through-header=Inputs/pch-through1.h \
+// RUN: -fms-extensions -o %t.obj -x c++ %s
+
+#define Source(x,y)
+#define InOut(size) Source(InOut, (size))
+void f(InOut(a) char *b, unsigned long a);
+#include "Inputs/pch-through1.h"
+int other;
Index: test/PCH/Inputs/pch-through-macro.h
===================================================================
--- test/PCH/Inputs/pch-through-macro.h
+++ test/PCH/Inputs/pch-through-macro.h
@@ -0,0 +1,3 @@
+#pragma once
+#define Source(x,y)
+#define InOut(size) Source(InOut, (size))
Index: test/PCH/pch-through4.cpp
===================================================================
--- test/PCH/pch-through4.cpp
+++ test/PCH/pch-through4.cpp
@@ -0,0 +1,12 @@
+// expected-no-diagnostics
+// Create PCH with #pragma hdrstop processing.
+// RUN: %clang_cc1 -verify -I %S -emit-pch -pch-through-hdrstop-create \
+// RUN: -fms-extensions -o %t.pch -x c++-header %s
+
+// Create the PCH object
+// RUN: %clang_cc1 -verify -I %S -emit-obj -include-pch %t.pch \
+// RUN: -pch-through-hdrstop-create -fms-extensions -o %t.obj -x c++ %s
+
+#pragma once
+#include "Inputs/pch-through-macro.h"
+void f(InOut(a) char *b, unsigned long a);
Index: lib/Lex/Preprocessor.cpp
===================================================================
--- lib/Lex/Preprocessor.cpp
+++ lib/Lex/Preprocessor.cpp
@@ -625,8 +625,23 @@
bool UsingPragmaHdrStop = SkippingUntilPragmaHdrStop;
Token Tok;
while (true) {
- bool InPredefines = (CurLexer->getFileID() == getPredefinesFileID());
- CurLexer->Lex(Tok);
+ bool InPredefines =
+ (CurLexer && CurLexer->getFileID() == getPredefinesFileID());
+ switch (CurLexerKind) {
+ case CLK_Lexer:
+ CurLexer->Lex(Tok);
+ break;
+ case CLK_TokenLexer:
+ CurTokenLexer->Lex(Tok);
+ break;
+ case CLK_CachingLexer:
+ bool IsNewToken;
+ CachingLex(Tok, IsNewToken);
+ break;
+ case CLK_LexAfterModuleImport:
+ LexAfterModuleImport(Tok);
+ break;
+ }
if (Tok.is(tok::eof) && !InPredefines) {
ReachedMainFileEOF = true;
break;
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