Initial checkin of rewriter interface. It is just stubbed out for now.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41990 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/Makefile b/Driver/Makefile
index 3577a2b..86c6143 100644
--- a/Driver/Makefile
+++ b/Driver/Makefile
@@ -3,6 +3,8 @@
CXXFLAGS = -fno-rtti
TOOLNAME = clang
-USEDLIBS = clangCodeGen.a clangAnalysis.a clangSEMA.a clangAST.a clangParse.a clangLex.a clangBasic.a LLVMCore.a LLVMSupport.a LLVMSystem.a
+USEDLIBS = clangCodeGen.a clangAnalysis.a clangRewrite.a clangSEMA.a \
+ clangAST.a clangParse.a clangLex.a clangBasic.a \
+ LLVMCore.a LLVMSupport.a LLVMSystem.a
include $(LEVEL)/Makefile.common
diff --git a/Makefile b/Makefile
index db13637..e7b647f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
LEVEL = ../..
-DIRS := Basic Lex Parse AST Sema CodeGen Analysis Driver
+DIRS := Basic Lex Parse AST Sema CodeGen Analysis Rewrite Driver
include $(LEVEL)/Makefile.common
diff --git a/Rewrite/Makefile b/Rewrite/Makefile
new file mode 100644
index 0000000..106b618
--- /dev/null
+++ b/Rewrite/Makefile
@@ -0,0 +1,22 @@
+##===- clang/Rewrite/Makefile ------------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file was developed by Chris Lattner and is distributed under
+# the University of Illinois Open Source License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+#
+# This implements code transformation / rewriting facilities.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../../..
+LIBRARYNAME := clangRewrite
+BUILD_ARCHIVE = 1
+CXXFLAGS = -fno-rtti
+
+CPPFLAGS += -I$(PROJ_SRC_DIR)/../include
+
+include $(LEVEL)/Makefile.common
+
diff --git a/Rewrite/Rewriter.cpp b/Rewrite/Rewriter.cpp
new file mode 100644
index 0000000..c4856ad
--- /dev/null
+++ b/Rewrite/Rewriter.cpp
@@ -0,0 +1,26 @@
+//===--- Rewriter.cpp - Code rewriting interface --------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the Rewriter class, which is used for code
+// transformations.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Rewrite/Rewriter.h"
+using namespace clang;
+
+
+void RewriteBuffer::RemoveText(unsigned OrigOffset, unsigned Size) {
+ // FIXME:
+}
+
+void RewriteBuffer::InsertText(unsigned OrigOffset,
+ const char *StrData, unsigned StrLen) {
+ // FIXME:
+}
diff --git a/clang.xcodeproj/project.pbxproj b/clang.xcodeproj/project.pbxproj
index 52139a3..578a156 100644
--- a/clang.xcodeproj/project.pbxproj
+++ b/clang.xcodeproj/project.pbxproj
@@ -131,6 +131,8 @@
DEF2EDA70C6A4252000C4259 /* StmtDumper.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DEF2EDA60C6A4252000C4259 /* StmtDumper.cpp */; };
DEF2EFF30C6CDD74000C4259 /* CGExprAgg.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DEF2EFF20C6CDD74000C4259 /* CGExprAgg.cpp */; };
DEF2F0100C6CFED5000C4259 /* SemaChecking.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DEF2F00F0C6CFED5000C4259 /* SemaChecking.cpp */; };
+ DEF7D9F70C9C8B1A0001F598 /* Rewriter.h in CopyFiles */ = {isa = PBXBuildFile; fileRef = DEF7D9F60C9C8B1A0001F598 /* Rewriter.h */; };
+ DEF7D9F90C9C8B1D0001F598 /* Rewriter.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DEF7D9F80C9C8B1D0001F598 /* Rewriter.cpp */; };
F0226FD20C18084500141F42 /* TextDiagnosticPrinter.cpp in Sources */ = {isa = PBXBuildFile; fileRef = F0226FD00C18084500141F42 /* TextDiagnosticPrinter.cpp */; };
F0226FD30C18084500141F42 /* TextDiagnosticPrinter.h in CopyFiles */ = {isa = PBXBuildFile; fileRef = F0226FD10C18084500141F42 /* TextDiagnosticPrinter.h */; };
/* End PBXBuildFile section */
@@ -199,6 +201,7 @@
DEF2E9320C5FB9FB000C4259 /* ASTStreamers.h in CopyFiles */,
DEF2E95F0C5FBD74000C4259 /* InternalsManual.html in CopyFiles */,
DEC63B1C0C7B940600DBF169 /* CFG.h in CopyFiles */,
+ DEF7D9F70C9C8B1A0001F598 /* Rewriter.h in CopyFiles */,
);
runOnlyForDeploymentPostprocessing = 1;
};
@@ -339,6 +342,8 @@
DEF2EDA60C6A4252000C4259 /* StmtDumper.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = StmtDumper.cpp; path = AST/StmtDumper.cpp; sourceTree = "<group>"; };
DEF2EFF20C6CDD74000C4259 /* CGExprAgg.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = CGExprAgg.cpp; path = CodeGen/CGExprAgg.cpp; sourceTree = "<group>"; };
DEF2F00F0C6CFED5000C4259 /* SemaChecking.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = SemaChecking.cpp; path = Sema/SemaChecking.cpp; sourceTree = "<group>"; };
+ DEF7D9F60C9C8B1A0001F598 /* Rewriter.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = Rewriter.h; path = clang/Rewrite/Rewriter.h; sourceTree = "<group>"; };
+ DEF7D9F80C9C8B1D0001F598 /* Rewriter.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = Rewriter.cpp; path = Rewrite/Rewriter.cpp; sourceTree = "<group>"; };
F0226FD00C18084500141F42 /* TextDiagnosticPrinter.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = TextDiagnosticPrinter.cpp; path = Driver/TextDiagnosticPrinter.cpp; sourceTree = "<group>"; };
F0226FD10C18084500141F42 /* TextDiagnosticPrinter.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = TextDiagnosticPrinter.h; path = Driver/TextDiagnosticPrinter.h; sourceTree = "<group>"; };
/* End PBXFileReference section */
@@ -376,6 +381,7 @@
DE67E7070C020EAB00F66BC5 /* Sema */,
DE927FCC0C0557CD00231DA4 /* CodeGen */,
356EF9B30C8F7DCA006650F5 /* Analysis */,
+ DEF7D9F50C9C8B0C0001F598 /* Rewrite */,
);
name = Source;
sourceTree = "<group>";
@@ -588,6 +594,7 @@
DE67E7260C02108300F66BC5 /* Sema */,
DE928B140C05659A00231DA4 /* CodeGen */,
356EF9AF0C8F7DA4006650F5 /* Analysis */,
+ DEF7D9F40C9C8B020001F598 /* Rewrite */,
);
path = include;
sourceTree = "<group>";
@@ -659,6 +666,22 @@
path = Lex;
sourceTree = "<group>";
};
+ DEF7D9F40C9C8B020001F598 /* Rewrite */ = {
+ isa = PBXGroup;
+ children = (
+ DEF7D9F60C9C8B1A0001F598 /* Rewriter.h */,
+ );
+ name = Rewrite;
+ sourceTree = "<group>";
+ };
+ DEF7D9F50C9C8B0C0001F598 /* Rewrite */ = {
+ isa = PBXGroup;
+ children = (
+ DEF7D9F80C9C8B1D0001F598 /* Rewriter.cpp */,
+ );
+ name = Rewrite;
+ sourceTree = "<group>";
+ };
/* End PBXGroup section */
/* Begin PBXNativeTarget section */
@@ -770,6 +793,7 @@
356EF9B50C8F7DDF006650F5 /* LiveVariables.cpp in Sources */,
355CF6840C90A8D400A08AA3 /* DeadStores.cpp in Sources */,
35AE0F690C9B4CC200CC1279 /* UnintializedValues.cpp in Sources */,
+ DEF7D9F90C9C8B1D0001F598 /* Rewriter.cpp in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
diff --git a/include/clang/Rewrite/Rewriter.h b/include/clang/Rewrite/Rewriter.h
new file mode 100644
index 0000000..09a9980
--- /dev/null
+++ b/include/clang/Rewrite/Rewriter.h
@@ -0,0 +1,88 @@
+//===--- Rewriter.h - Code rewriting interface ------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the Rewriter class, which is used for code
+// transformations.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_REWRITER_H
+#define LLVM_CLANG_REWRITER_H
+
+#include <vector>
+
+namespace clang {
+ class SourceManager;
+ class SourceLocation;
+
+/// SourceDelta - As code in the original input buffer is added and deleted,
+/// SourceDelta records are used to keep track of how the input SourceLocation
+/// object is mapped into the output buffer.
+struct SourceDelta {
+ unsigned FileLoc;
+ int Delta;
+};
+
+
+/// RewriteBuffer - As code is rewritten, SourceBuffer's from the original
+/// input with modifications get a new RewriteBuffer associated with them. The
+/// RewriteBuffer captures the modified text itself as well as information used
+/// to map between SourceLocation's in the original input and offsets in the
+/// RewriteBuffer. For example, if text is inserted into the buffer, any
+/// locations after the insertion point have to be mapped.
+class RewriteBuffer {
+ /// Deltas - Keep track of all the deltas in the source code due to insertions
+ /// and deletions. These are kept in sorted order based on the FileLoc.
+ std::vector<SourceDelta> Deltas;
+
+ /// Buffer - This is the actual buffer itself. Note that using a vector or
+ /// string is a horribly inefficient way to do this, we should use a rope
+ /// instead.
+ std::vector<char> Buffer;
+public:
+
+ /// RemoveText - Remove the specified text.
+ void RemoveText(unsigned OrigOffset, unsigned Size);
+
+
+ /// InsertText - Insert some text at the specified point, where the offset in
+ /// the buffer is specified relative to the original SourceBuffer.
+ ///
+ /// TODO: Consider a bool to indicate whether the text is inserted 'before' or
+ /// after the atomic point: i.e. whether the atomic point is moved to after
+ /// the inserted text or not.
+ void InsertText(unsigned OrigOffset, const char *StrData, unsigned StrLen);
+
+};
+
+class Rewriter {
+ SourceManager &SourceMgr;
+
+ // FIXME: list of buffers.
+public:
+ explicit Rewriter(SourceManager &SM) : SourceMgr(SM) {}
+
+ /// InsertText - Insert the specified string at the specified location in the
+ /// original buffer.
+ bool InsertText(SourceLocation Loc, const char *StrData, unsigned StrLen);
+
+ /// RemoveText - Remove the specified text region.
+ bool RemoveText(SourceLocation Start, SourceLocation End);
+
+
+ // TODO: Replace Stmt/Expr with another.
+
+
+ // Write out output buffer.
+
+};
+
+} // end namespace clang
+
+#endif