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Showing content from https://clang.llvm.org/doxygen/HTMLRewrite_8cpp_source.html below:

clang: lib/Rewrite/HTMLRewrite.cpp Source File

19#include "llvm/ADT/RewriteBuffer.h" 20#include "llvm/ADT/SmallString.h" 21#include "llvm/Support/ErrorHandling.h" 22#include "llvm/Support/MemoryBuffer.h" 23#include "llvm/Support/raw_ostream.h" 26using namespace clang

;

35 const char

*StartTag,

const char

*EndTag,

38

B =

.getExpansionLoc(B);

39 E

.getExpansionLoc(

);

41

assert(

.getFileID(

) == FID &&

"B/E not in the same file!"

);

43 unsigned

BOffset =

.getFileOffset(B);

44 unsigned

EOffset =

.getFileOffset(

);

51 const char

*BufferStart =

.getBufferData(FID, &

Invalid

).data();

56

BufferStart, StartTag, EndTag);

62 const char

*BufferStart,

63 const char

*StartTag,

const char

*EndTag) {

65

RB.InsertTextAfter(B, StartTag);

66

RB.InsertTextBefore(

, EndTag);

70 bool

HadOpenTag =

true

;

72 unsigned

LastNonWhiteSpace = B;

73 for

(

unsigned

i = B; i !=

; ++i) {

74 switch

(BufferStart[i]) {

80

RB.InsertTextBefore(LastNonWhiteSpace+1, EndTag);

99

RB.InsertTextAfter(i, StartTag);

104

LastNonWhiteSpace = i;

133 return

std::make_shared<RelexRewriteCache>();

137 bool

EscapeSpaces,

bool

ReplaceTabs) {

140 const char

= Buf.getBufferStart();

141 const char

* FileEnd = Buf.getBufferEnd();

143

assert (

<= FileEnd);

148 for

(

unsigned

FilePos = 0;

!= FileEnd ; ++

, ++FilePos) {

150 default

: ++ColNo;

break

;

158

RB.ReplaceText(FilePos, 1,

" "

);

162

RB.ReplaceText(FilePos, 1,

"<hr>"

);

169 unsigned

NumSpaces = 8-(ColNo&7);

171

RB.ReplaceText(FilePos, 1,

172

StringRef(

"     " 173 "   "

, 6*NumSpaces));

175

RB.ReplaceText(FilePos, 1, StringRef(

" "

, NumSpaces));

180

RB.ReplaceText(FilePos, 1,

"<"

);

185

RB.ReplaceText(FilePos, 1,

">"

);

190

RB.ReplaceText(FilePos, 1,

"&"

);

199 unsigned

len =

.size();

201

llvm::raw_string_ostream os(Str);

203 for

(

unsigned

i = 0 ; i < len; ++i) {

211 if

(EscapeSpaces) os <<

" "

;

218 for

(

unsigned

i = 0; i < 4; ++i)

221 for

(

unsigned

i = 0; i < 4; ++i)

229 case '<'

: os <<

"<"

;

break

;

230 case '>'

: os <<

">"

;

break

;

231 case '&'

: os <<

"&"

;

break

;

239 unsigned

unsigned E

) {

241

llvm::raw_svector_ostream OS(Str);

243

OS <<

"<tr class=\"codeline\" data-linenumber=\""

<< LineNo <<

"\">" 244

"<td class=\"num\" id=\"LN"

<< LineNo <<

"\">"

<< LineNo

245

"</td><td class=\"line\">"

;

248

OS <<

" </td></tr>"

;

249

RB.InsertTextBefore(B, OS.str());

251

RB.InsertTextBefore(B, OS.str());

252

RB.InsertTextBefore(

"</td></tr>"

);

259 const char

* FileBeg = Buf.getBufferStart();

260 const char

* FileEnd = Buf.getBufferEnd();

261 const char

= FileBeg;

264

assert (

<= FileEnd);

267 unsigned

FilePos = 0;

269 while

(

!= FileEnd) {

272 unsigned

LineStartPos = FilePos;

273 unsigned

LineEndPos = FileEnd - FileBeg;

275

assert (FilePos <= LineEndPos);

276

assert (

< FileEnd);

280 while

(

!= FileEnd) {

285

LineEndPos = FilePos++;

297

llvm::raw_string_ostream os(

);

298

os <<

"<table class=\"code\" data-fileid=\""

<< FID.

getHashValue

() <<

"\">\n"

;

299

RB.InsertTextBefore(0, os.str());

300

RB.InsertTextAfter(FileEnd - FileBeg,

"</table>"

);

307 const char

* FileStart = Buf.getBufferStart();

308 const char

* FileEnd = Buf.getBufferEnd();

314

llvm::raw_string_ostream os(

);

315

os <<

"<!doctype html>\n" 322<style type="text/css"> 323body { color:#000000; background-color:#ffffff } 324body { font-family:Helvetica, sans-serif; font-size:10pt } 326.FileName { margin-top: 5px; margin-bottom: 5px; display: inline; } 327.FileNav { margin-left: 5px; margin-right: 5px; display: inline; } 328.FileNav a { text-decoration:none; font-size: larger; } 329.divider { margin-top: 30px; margin-bottom: 30px; height: 15px; } 330.divider { background-color: gray; } 331.code { border-collapse:collapse; width:100%; } 332.code { font-family: "Monospace", monospace; font-size:10pt } 333.code { line-height: 1.2em } 334.comment { color: green; font-style: oblique } 335.keyword { color: blue } 336.string_literal { color: red } 337.directive { color: darkmagenta } 339/* Macros and variables could have pop-up notes hidden by default. 340 - Macro pop-up: expansion of the macro 341 - Variable pop-up: value (table) of the variable */ 342.macro_popup, .variable_popup { display: none; } 344/* Pop-up appears on mouse-hover event. */ 345.macro:hover .macro_popup, .variable:hover .variable_popup { 348 -webkit-border-radius:5px; 349 -webkit-box-shadow:1px 1px 7px #000; 351 box-shadow:1px 1px 7px #000; 359 border: 2px solid red; 360 background-color:#FFF0F0; 365 border: 2px solid blue; 366 background-color:#F0F0FF; 368 font-family: Helvetica, sans-serif; 372/* Pop-up notes needs a relative position as a base where they pops up. */ 374 background-color: PaleGoldenRod; 377.macro { color: DarkMagenta; } 385 border: 1px solid #b0b0b0; 387 box-shadow: 1px 1px 7px black; 388 background-color: #c0c0c0; 392.num { width:2.5em; padding-right:2ex; background-color:#eeeeee } 393.num { text-align:right; font-size:8pt } 394.num { color:#444444 } 395.line { padding-left: 1ex; border-left: 3px solid #ccc } 396.line { white-space: pre } 397.msg { -webkit-box-shadow:1px 1px 7px #000 } 398.msg { box-shadow:1px 1px 7px #000 } 399.msg { -webkit-border-radius:5px } 400.msg { border-radius:5px } 401.msg { font-family:Helvetica, sans-serif; font-size:8pt } 403.msg { position:relative } 404.msg { padding:0.25em 1ex 0.25em 1ex } 405.msg { margin-top:10px; margin-bottom:10px } 406.msg { font-weight:bold } 407.msg { max-width:60em; word-wrap: break-word; white-space: pre-wrap } 408.msgT { padding:0x; spacing:0x } 409.msgEvent { background-color:#fff8b4; color:#000000 } 410.msgControl { background-color:#bbbbbb; color:#000000 } 411.msgNote { background-color:#ddeeff; color:#000000 } 412.mrange { background-color:#dfddf3 } 413.mrange { border-bottom:1px solid #6F9DBE } 414.PathIndex { font-weight: bold; padding:0px 5px; margin-right:5px; } 415.PathIndex { -webkit-border-radius:8px } 416.PathIndex { border-radius:8px } 417.PathIndexEvent { background-color:#bfba87 } 418.PathIndexControl { background-color:#8c8c8c } 419.PathIndexPopUp { background-color: #879abc; } 420.PathNav a { text-decoration:none; font-size: larger } 421.CodeInsertionHint { font-weight: bold; background-color: #10dd10 } 422.CodeRemovalHint { background-color:#de1010 } 423.CodeRemovalHint { border-bottom:1px solid #6F9DBE } 424.msg.selected{ background-color:orange !important; } 430 border-collapse: collapse; border-spacing: 0px; 441input.spoilerhider + label { 443 text-decoration: underline; 449input.spoilerhider ~ .spoiler { 455input.spoilerhider:checked + label + .spoiler{ 476

llvm::function_ref<

void

(RewriteBuffer &,

unsigned

const char

477 const char

const char

*)>

478

HighlightRangeCallback) {

482

llvm::MemoryBufferRef FromFile =

.getBufferOrFake(FID);

483 const char

*BufferStart = FromFile.getBuffer().data();

496 while

(Tok.

isNot

(tok::eof)) {

503 case

tok::identifier:

504

llvm_unreachable(

"tok::identifier in raw lexing mode!"

);

505 case

tok::raw_identifier: {

511 if

(Tok.

isNot

(tok::identifier))

512

HighlightRangeCallback(RB, TokOffs, TokOffs + TokLen, BufferStart,

513 "<span class='keyword'>"

"</span>"

);

517

HighlightRangeCallback(RB, TokOffs, TokOffs + TokLen, BufferStart,

518 "<span class='comment'>"

"</span>"

);

520 case

tok::utf8_string_literal:

526 case

tok::wide_string_literal:

527 case

tok::utf16_string_literal:

528 case

tok::utf32_string_literal:

533 case

tok::string_literal:

535

HighlightRangeCallback(RB, TokOffs, TokOffs + TokLen, BufferStart,

536 "<span class='string_literal'>"

"</span>"

);

545 unsigned

TokEnd = TokOffs+TokLen;

553

HighlightRangeCallback(RB, TokOffs, TokEnd, BufferStart,

554 "<span class='directive'>"

"</span>"

);

568

llvm::MemoryBufferRef FromFile =

.getBufferOrFake(FID);

569 const char

*BufferStart = FromFile.getBuffer().data();

572 auto

CacheIt =

Cache

->SyntaxHighlights.find(FID);

573 if

(CacheIt !=

Cache

->SyntaxHighlights.end()) {

583 auto

HighlightRangeCallback = [&](RewriteBuffer &RB,

unsigned

unsigned E

584 const char

*BufferStart,

585 const char

*StartTag,

const char

*EndTag) {

589 Cache

->SyntaxHighlights[FID].push_back({B,

, StartTag, EndTag});

598 const char

const char

bool

599

HighlightRangeCallback) {

603

std::vector<Token> TokenStream;

605

llvm::MemoryBufferRef FromFile =

.getBufferOrFake(FID);

612

L.LexFromRawLexer(Tok);

622 if

(Tok.

(tok::hashhash))

628 if

(Tok.

(tok::raw_identifier))

631

TokenStream.push_back(Tok);

633 if

(Tok.

(tok::eof))

break

;

659

TmpPP.EnterTokenStream(TokenStream,

false

);

666 while

(Tok.

isNot

(tok::eof)) {

679 if

(

.getFileID(LLoc.

getBegin

()) != FID) {

684

assert(

.getFileID(LLoc.

getEnd

()) == FID &&

685 "Start and end of expansion must be in the same ultimate file!"

);

688 unsigned

LineLen = Expansion.size();

698 while

(!Tok.

(tok::eof) &&

702

Expansion +=

"<br>"

;

706

LineLen -= Expansion.size();

711

ConcatInfo.AvoidConcat(PrevPrevTok, PrevTok, Tok))

716

LineLen += Expansion.size();

718

PrevPrevTok = PrevTok;

725

Expansion =

"<span class='macro_popup'>"

+ Expansion +

"</span></span>"

;

728 "<span class='macro'>"

, Expansion.c_str(),

744 auto

CacheIt =

Cache

->MacroHighlights.find(FID);

745 if

(CacheIt !=

Cache

->MacroHighlights.end()) {

757 const char

*EndTag,

bool

isTokenRange) {

761 Cache

->MacroHighlights[FID].push_back(

762

{B,

, StartTag, EndTag, isTokenRange});

static void AddLineNumber(RewriteBuffer &RB, unsigned LineNo, unsigned B, unsigned E)

static void HighlightMacrosImpl(Rewriter &R, FileID FID, const Preprocessor &PP, llvm::function_ref< void(Rewriter &, SourceLocation, SourceLocation, const char *, const char *, bool)> HighlightRangeCallback)

static void SyntaxHighlightImpl(Rewriter &R, FileID FID, const Preprocessor &PP, llvm::function_ref< void(RewriteBuffer &, unsigned, unsigned, const char *, const char *, const char *)> HighlightRangeCallback)

SyntaxHighlight - Relex the specified FileID and annotate the HTML with information about keywords,...

Defines the clang::Preprocessor interface.

Defines the SourceManager interface.

__device__ __2f16 float __ockl_bool s

__device__ __2f16 float c

Represents a character-granular source range.

bool isTokenRange() const

Return true if the end of this range specifies the start of the last token.

SourceLocation getEnd() const

SourceLocation getBegin() const

Concrete class used by the front-end to report problems and issues.

DiagnosticOptions & getDiagnosticOptions() const

Retrieve the diagnostic options.

const IntrusiveRefCntPtr< DiagnosticIDs > & getDiagnosticIDs() const

An opaque identifier used by SourceManager which refers to a source file (MemoryBuffer) along with it...

unsigned getHashValue() const

A diagnostic client that ignores all diagnostics.

Lexer - This provides a simple interface that turns a text buffer into a stream of tokens.

bool LexFromRawLexer(Token &Result)

LexFromRawLexer - Lex a token from a designated raw lexer (one with no associated preprocessor object...

void SetCommentRetentionState(bool Mode)

SetCommentRetentionMode - Change the comment retention mode of the lexer to the specified mode.

static unsigned MeasureTokenLength(SourceLocation Loc, const SourceManager &SM, const LangOptions &LangOpts)

MeasureTokenLength - Relex the token at the specified location and return its length in bytes in the ...

Engages in a tight little dance with the lexer to efficiently preprocess tokens.

IdentifierInfo * LookUpIdentifierInfo(Token &Identifier) const

Given a tok::raw_identifier token, look up the identifier information for the token and install it in...

void setDiagnostics(DiagnosticsEngine &D)

void Lex(Token &Result)

Lex the next token for this preprocessor.

SourceManager & getSourceManager() const

StringRef getSpelling(SourceLocation loc, SmallVectorImpl< char > &buffer, bool *invalid=nullptr) const

Return the 'spelling' of the token at the given location; does not go up to the spelling location or ...

const LangOptions & getLangOpts() const

void setPragmasEnabled(bool Enabled)

void SetCommentRetentionState(bool KeepComments, bool KeepMacroComments)

Control whether the preprocessor retains comments in output.

bool getPragmasEnabled() const

DiagnosticsEngine & getDiagnostics() const

Rewriter - This is the main interface to the rewrite buffers.

bool InsertTextBefore(SourceLocation Loc, StringRef Str)

InsertText - Insert the specified string at the specified location in the original buffer.

SourceManager & getSourceMgr() const

const LangOptions & getLangOpts() const

bool InsertTextAfter(SourceLocation Loc, StringRef Str)

InsertTextAfter - Insert the specified string at the specified location in the original buffer.

llvm::RewriteBuffer & getEditBuffer(FileID FID)

getEditBuffer - This is like getRewriteBufferFor, but always returns a buffer, and allows you to writ...

Encodes a location in the source.

SourceLocation getLocWithOffset(IntTy Offset) const

Return a source location with the specified offset from this SourceLocation.

This class handles loading and caching of source files into memory.

llvm::MemoryBufferRef getBufferOrFake(FileID FID, SourceLocation Loc=SourceLocation()) const

Return the buffer for the specified FileID.

SourceLocation getLocForStartOfFile(FileID FID) const

Return the source location corresponding to the first byte of the specified file.

TokenConcatenation class, which answers the question of "Is it safe to emit two tokens without a whit...

Token - This structure provides full information about a lexed token.

SourceLocation getLocation() const

Return a source location identifier for the specified offset in the current file.

unsigned getLength() const

void setKind(tok::TokenKind K)

bool is(tok::TokenKind K) const

is/isNot - Predicates to check if this token is a specific kind, as in "if (Tok.is(tok::l_brace)) {....

tok::TokenKind getKind() const

bool isAtStartOfLine() const

isAtStartOfLine - Return true if this token is at the start of a line.

bool hasLeadingSpace() const

Return true if this token has whitespace before it.

bool isNot(tok::TokenKind K) const

void AddHeaderFooterInternalBuiltinCSS(Rewriter &R, FileID FID, StringRef title)

void HighlightRange(Rewriter &R, SourceLocation B, SourceLocation E, const char *StartTag, const char *EndTag, bool IsTokenRange=true)

HighlightRange - Highlight a range in the source code with the specified start/end tags.

RelexRewriteCacheRef instantiateRelexRewriteCache()

If you need to rewrite the same file multiple times, you can instantiate a RelexRewriteCache and refe...

void AddLineNumbers(Rewriter &R, FileID FID)

void SyntaxHighlight(Rewriter &R, FileID FID, const Preprocessor &PP, RelexRewriteCacheRef Cache=nullptr)

SyntaxHighlight - Relex the specified FileID and annotate the HTML with information about keywords,...

void HighlightMacros(Rewriter &R, FileID FID, const Preprocessor &PP, RelexRewriteCacheRef Cache=nullptr)

HighlightMacros - This uses the macro table state from the end of the file, to reexpand macros and in...

void EscapeText(Rewriter &R, FileID FID, bool EscapeSpaces=false, bool ReplaceTabs=false)

EscapeText - HTMLize a specified file so that special characters are are translated so that they are ...

std::shared_ptr< RelexRewriteCache > RelexRewriteCacheRef

The JSON file list parser is used to communicate input to InstallAPI.

Diagnostic wrappers for TextAPI types for error reporting.

std::vector< RawHighlight > RawHighlightList

DenseMap< FileID, RawHighlightList > SyntaxHighlights

std::vector< Highlight > HighlightList

DenseMap< FileID, HighlightList > MacroHighlights

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