clang: update to clang v12

Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>

.github/workflows/test.yml

@@ -9,7 +9,7 @@ on:
       - "main"
 
 env:
-  LLVM_VERSION: 11
+  LLVM_VERSION: 12
 
 jobs:
   test:

clang/clang-c/Index.h

@@ -35,7 +35,7 @@
  * compatible, thus CINDEX_VERSION_MAJOR is expected to remain stable.
  */
 #define CINDEX_VERSION_MAJOR 0
-#define CINDEX_VERSION_MINOR 60
+#define CINDEX_VERSION_MINOR 61
 
 #define CINDEX_VERSION_ENCODE(major, minor) (((major)*10000) + ((minor)*1))
 
@@ -2054,62 +2054,58 @@ enum CXCursorKind {
    */
   CXCursor_CXXFunctionalCastExpr = 128,
 
-  /** OpenCL's addrspace_cast<> expression.
-   */
-  CXCursor_CXXAddrspaceCastExpr = 129,
-
   /** A C++ typeid expression (C++ [expr.typeid]).
    */
-  CXCursor_CXXTypeidExpr = 130,
+  CXCursor_CXXTypeidExpr = 129,
 
   /** [C++ 2.13.5] C++ Boolean Literal.
    */
-  CXCursor_CXXBoolLiteralExpr = 131,
+  CXCursor_CXXBoolLiteralExpr = 130,
 
   /** [C++0x 2.14.7] C++ Pointer Literal.
    */
-  CXCursor_CXXNullPtrLiteralExpr = 132,
+  CXCursor_CXXNullPtrLiteralExpr = 131,
 
   /** Represents the "this" expression in C++
    */
-  CXCursor_CXXThisExpr = 133,
+  CXCursor_CXXThisExpr = 132,
 
   /** [C++ 15] C++ Throw Expression.
    *
    * This handles 'throw' and 'throw' assignment-expression. When
    * assignment-expression isn't present, Op will be null.
    */
-  CXCursor_CXXThrowExpr = 134,
+  CXCursor_CXXThrowExpr = 133,
 
   /** A new expression for memory allocation and constructor calls, e.g:
    * "new CXXNewExpr(foo)".
    */
-  CXCursor_CXXNewExpr = 135,
+  CXCursor_CXXNewExpr = 134,
 
   /** A delete expression for memory deallocation and destructor calls,
    * e.g. "delete[] pArray".
    */
-  CXCursor_CXXDeleteExpr = 136,
+  CXCursor_CXXDeleteExpr = 135,
 
   /** A unary expression. (noexcept, sizeof, or other traits)
    */
-  CXCursor_UnaryExpr = 137,
+  CXCursor_UnaryExpr = 136,
 
   /** An Objective-C string literal i.e. @"foo".
    */
-  CXCursor_ObjCStringLiteral = 138,
+  CXCursor_ObjCStringLiteral = 137,
 
   /** An Objective-C \@encode expression.
    */
-  CXCursor_ObjCEncodeExpr = 139,
+  CXCursor_ObjCEncodeExpr = 138,
 
   /** An Objective-C \@selector expression.
    */
-  CXCursor_ObjCSelectorExpr = 140,
+  CXCursor_ObjCSelectorExpr = 139,
 
   /** An Objective-C \@protocol expression.
    */
-  CXCursor_ObjCProtocolExpr = 141,
+  CXCursor_ObjCProtocolExpr = 140,
 
   /** An Objective-C "bridged" cast expression, which casts between
    * Objective-C pointers and C pointers, transferring ownership in the process.
@@ -2118,7 +2114,7 @@ enum CXCursorKind {
    *   NSString *str = (__bridge_transfer NSString *)CFCreateString();
    * \endcode
    */
-  CXCursor_ObjCBridgedCastExpr = 142,
+  CXCursor_ObjCBridgedCastExpr = 141,
 
   /** Represents a C++0x pack expansion that produces a sequence of
    * expressions.
@@ -2133,7 +2129,7 @@ enum CXCursorKind {
    * }
    * \endcode
    */
-  CXCursor_PackExpansionExpr = 143,
+  CXCursor_PackExpansionExpr = 142,
 
   /** Represents an expression that computes the length of a parameter
    * pack.
@@ -2145,7 +2141,7 @@ enum CXCursorKind {
    * };
    * \endcode
    */
-  CXCursor_SizeOfPackExpr = 144,
+  CXCursor_SizeOfPackExpr = 143,
 
   /* Represents a C++ lambda expression that produces a local function
    * object.
@@ -2159,39 +2155,43 @@ enum CXCursorKind {
    * }
    * \endcode
    */
-  CXCursor_LambdaExpr = 145,
+  CXCursor_LambdaExpr = 144,
 
   /** Objective-c Boolean Literal.
    */
-  CXCursor_ObjCBoolLiteralExpr = 146,
+  CXCursor_ObjCBoolLiteralExpr = 145,
 
   /** Represents the "self" expression in an Objective-C method.
    */
-  CXCursor_ObjCSelfExpr = 147,
+  CXCursor_ObjCSelfExpr = 146,
 
   /** OpenMP 5.0 [2.1.5, Array Section].
    */
-  CXCursor_OMPArraySectionExpr = 148,
+  CXCursor_OMPArraySectionExpr = 147,
 
   /** Represents an @available(...) check.
    */
-  CXCursor_ObjCAvailabilityCheckExpr = 149,
+  CXCursor_ObjCAvailabilityCheckExpr = 148,
 
   /**
    * Fixed point literal
    */
-  CXCursor_FixedPointLiteral = 150,
+  CXCursor_FixedPointLiteral = 149,
 
   /** OpenMP 5.0 [2.1.4, Array Shaping].
    */
-  CXCursor_OMPArrayShapingExpr = 151,
+  CXCursor_OMPArrayShapingExpr = 150,
 
   /**
    * OpenMP 5.0 [2.1.6 Iterators]
    */
-  CXCursor_OMPIteratorExpr = 152,
+  CXCursor_OMPIteratorExpr = 151,
 
-  CXCursor_LastExpr = CXCursor_OMPIteratorExpr,
+  /** OpenCL's addrspace_cast<> expression.
+   */
+  CXCursor_CXXAddrspaceCastExpr = 152,
+
+  CXCursor_LastExpr = CXCursor_CXXAddrspaceCastExpr,
 
   /* Statements */
   CXCursor_FirstStmt = 200,
@@ -2942,6 +2942,26 @@ CINDEX_LINKAGE int clang_getCursorPlatformAvailability(
 CINDEX_LINKAGE void
 clang_disposeCXPlatformAvailability(CXPlatformAvailability *availability);
 
+/**
+ * If cursor refers to a variable declaration and it has initializer returns
+ * cursor referring to the initializer otherwise return null cursor.
+ */
+CINDEX_LINKAGE CXCursor clang_Cursor_getVarDeclInitializer(CXCursor cursor);
+
+/**
+ * If cursor refers to a variable declaration that has global storage returns 1.
+ * If cursor refers to a variable declaration that doesn't have global storage
+ * returns 0. Otherwise returns -1.
+ */
+CINDEX_LINKAGE int clang_Cursor_hasVarDeclGlobalStorage(CXCursor cursor);
+
+/**
+ * If cursor refers to a variable declaration that has external storage
+ * returns 1. If cursor refers to a variable declaration that doesn't have
+ * external storage returns 0. Otherwise returns -1.
+ */
+CINDEX_LINKAGE int clang_Cursor_hasVarDeclExternalStorage(CXCursor cursor);
+
 /**
  * Describe the "language" of the entity referred to by a cursor.
  */
@@ -3843,7 +3863,15 @@ enum CXTypeNullabilityKind {
   /**
    * Nullability is not applicable to this type.
    */
-  CXTypeNullability_Invalid = 3
+  CXTypeNullability_Invalid = 3,
+
+  /**
+   * Generally behaves like Nullable, except when used in a block parameter that
+   * was imported into a swift async method. There, swift will assume that the
+   * parameter can get null even if no error occured. _Nullable parameters are
+   * assumed to only get null on error.
+   */
+  CXTypeNullability_NullableResult = 4
 };
 
 /**

clang/clang-c/Rewrite.h

@@ -0,0 +1,65 @@
+#include <stdint.h>
+
+/*===-- clang-c/Rewrite.h - C CXRewriter   --------------------------*- C -*-===*\
+|*                                                                            *|
+|* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
+|* Exceptions.                                                                *|
+|* See https://llvm.org/LICENSE.txt for license information.                  *|
+|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_CLANG_C_REWRITE_H
+#define LLVM_CLANG_C_REWRITE_H
+
+#include "clang-c/CXString.h"
+#include "clang-c/ExternC.h"
+#include "clang-c/Index.h"
+#include "clang-c/Platform.h"
+
+LLVM_CLANG_C_EXTERN_C_BEGIN
+
+typedef void *CXRewriter;
+
+/**
+ * Create CXRewriter.
+ */
+CINDEX_LINKAGE CXRewriter clang_CXRewriter_create(CXTranslationUnit TU);
+
+/**
+ * Insert the specified string at the specified location in the original buffer.
+ */
+CINDEX_LINKAGE void clang_CXRewriter_insertTextBefore(CXRewriter Rew, CXSourceLocation Loc,
+                                           const char *Insert);
+
+/**
+ * Replace the specified range of characters in the input with the specified
+ * replacement.
+ */
+CINDEX_LINKAGE void clang_CXRewriter_replaceText(CXRewriter Rew, CXSourceRange ToBeReplaced,
+                                      const char *Replacement);
+
+/**
+ * Remove the specified range.
+ */
+CINDEX_LINKAGE void clang_CXRewriter_removeText(CXRewriter Rew, CXSourceRange ToBeRemoved);
+
+/**
+ * Save all changed files to disk.
+ * Returns 1 if any files were not saved successfully, returns 0 otherwise.
+ */
+CINDEX_LINKAGE int clang_CXRewriter_overwriteChangedFiles(CXRewriter Rew);
+
+/**
+ * Write out rewritten version of the main file to stdout.
+ */
+CINDEX_LINKAGE void clang_CXRewriter_writeMainFileToStdOut(CXRewriter Rew);
+
+/**
+ * Free the given CXRewriter.
+ */
+CINDEX_LINKAGE void clang_CXRewriter_dispose(CXRewriter Rew);
+
+LLVM_CLANG_C_EXTERN_C_END
+
+#endif

clang/cursor_gen.go

@@ -118,6 +118,25 @@ func (c Cursor) Availability() AvailabilityKind {
 	return AvailabilityKind(C.clang_getCursorAvailability(c.c))
 }
 
+// If cursor refers to a variable declaration and it has initializer returns cursor referring to the initializer otherwise return null cursor.
+func (c Cursor) VarDeclInitializer() Cursor {
+	return Cursor{C.clang_Cursor_getVarDeclInitializer(c.c)}
+}
+
+// If cursor refers to a variable declaration that has global storage returns 1. If cursor refers to a variable declaration that doesn't have global storage returns 0. Otherwise returns -1.
+func (c Cursor) HasVarDeclGlobalStorage() bool {
+	o := C.clang_Cursor_hasVarDeclGlobalStorage(c.c)
+
+	return o != C.int(0)
+}
+
+// If cursor refers to a variable declaration that has external storage returns 1. If cursor refers to a variable declaration that doesn't have external storage returns 0. Otherwise returns -1.
+func (c Cursor) HasVarDeclExternalStorage() bool {
+	o := C.clang_Cursor_hasVarDeclExternalStorage(c.c)
+
+	return o != C.int(0)
+}
+
 // Determine the "language" of the entity referred to by a given cursor.
 func (c Cursor) Language() LanguageKind {
 	return LanguageKind(C.clang_getCursorLanguage(c.c))

clang/cursorkind_gen.go

@@ -306,8 +306,6 @@ const (
 		\endcode
 	*/
 	Cursor_CXXFunctionalCastExpr = C.CXCursor_CXXFunctionalCastExpr
-	// OpenCL's addrspace_cast<> expression.
-	Cursor_CXXAddrspaceCastExpr = C.CXCursor_CXXAddrspaceCastExpr
 	// A C++ typeid expression (C++ [expr.typeid]).
 	Cursor_CXXTypeidExpr = C.CXCursor_CXXTypeidExpr
 	// [C++ 2.13.5] C++ Boolean Literal.
@@ -388,9 +386,11 @@ const (
 	Cursor_OMPArrayShapingExpr = C.CXCursor_OMPArrayShapingExpr
 	// OpenMP 5.0 [2.1.6 Iterators]
 	Cursor_OMPIteratorExpr = C.CXCursor_OMPIteratorExpr
-	// OpenMP 5.0 [2.1.6 Iterators]
+	// OpenCL's addrspace_cast<> expression.
+	Cursor_CXXAddrspaceCastExpr = C.CXCursor_CXXAddrspaceCastExpr
+	// OpenCL's addrspace_cast<> expression.
 	Cursor_LastExpr = C.CXCursor_LastExpr
-	// OpenMP 5.0 [2.1.6 Iterators]
+	// OpenCL's addrspace_cast<> expression.
 	Cursor_FirstStmt = C.CXCursor_FirstStmt
 	/*
 		A statement whose specific kind is not exposed via this

clang/rewriter_gen.go

@@ -0,0 +1,46 @@
+package clang
+
+// #include "./clang-c/Rewrite.h"
+// #include "go-clang.h"
+import "C"
+import "unsafe"
+
+type Rewriter struct {
+	c C.CXRewriter
+}
+
+// Insert the specified string at the specified location in the original buffer.
+func (r Rewriter) InsertTextBefore(loc SourceLocation, insert string) {
+	c_insert := C.CString(insert)
+	defer C.free(unsafe.Pointer(c_insert))
+
+	C.clang_CXRewriter_insertTextBefore(r.c, loc.c, c_insert)
+}
+
+// Replace the specified range of characters in the input with the specified replacement.
+func (r Rewriter) ReplaceText(toBeReplaced SourceRange, replacement string) {
+	c_replacement := C.CString(replacement)
+	defer C.free(unsafe.Pointer(c_replacement))
+
+	C.clang_CXRewriter_replaceText(r.c, toBeReplaced.c, c_replacement)
+}
+
+// Remove the specified range.
+func (r Rewriter) RemoveText(toBeRemoved SourceRange) {
+	C.clang_CXRewriter_removeText(r.c, toBeRemoved.c)
+}
+
+// Save all changed files to disk. Returns 1 if any files were not saved successfully, returns 0 otherwise.
+func (r Rewriter) OverwriteChangedFiles() int32 {
+	return int32(C.clang_CXRewriter_overwriteChangedFiles(r.c))
+}
+
+// Write out rewritten version of the main file to stdout.
+func (r Rewriter) WriteMainFileToStdOut() {
+	C.clang_CXRewriter_writeMainFileToStdOut(r.c)
+}
+
+// Free the given CXRewriter.
+func (r Rewriter) CXRewriter_Dispose() {
+	C.clang_CXRewriter_dispose(r.c)
+}

clang/translationunit_gen.go

@@ -1,6 +1,7 @@
 package clang
 
 // #include "./clang-c/Index.h"
+// #include "./clang-c/Rewrite.h"
 // #include "go-clang.h"
 import "C"
 import (
@@ -489,3 +490,8 @@ func (tu TranslationUnit) CodeCompleteAt(completeFilename string, completeLine u
 func (tu TranslationUnit) FindIncludesInFile(file File, visitor CursorAndRangeVisitor) Result {
 	return Result(C.clang_findIncludesInFile(tu.c, file.c, visitor.c))
 }
+
+// Create CXRewriter.
+func (tu TranslationUnit) Create() Rewriter {
+	return Rewriter{C.clang_CXRewriter_create(tu.c)}
+}