HTMLRewrite.cpp revision 5c176f7a9ba9f7084b903393845be24f85e091da
16a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek//== HTMLRewrite.cpp - Translate source code into prettified HTML --*- C++ -*-// 26a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// 36a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// The LLVM Compiler Infrastructure 46a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// 56a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// This file is distributed under the University of Illinois Open Source 66a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// License. See LICENSE.TXT for details. 76a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// 86a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek//===----------------------------------------------------------------------===// 96a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// 106a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// This file defines the HTMLRewriter clas, which is used to translate the 116a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// text of a source file into prettified HTML. 126a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek// 136a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek//===----------------------------------------------------------------------===// 146a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek 15339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek#include "clang/Lex/Preprocessor.h" 166a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek#include "clang/Rewrite/Rewriter.h" 176a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek#include "clang/Rewrite/HTMLRewrite.h" 183245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner#include "clang/Lex/Preprocessor.h" 196a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek#include "clang/Basic/SourceManager.h" 2057df3b950061c73d13d3116f747e79d7955a216aChris Lattner#include "llvm/ADT/SmallString.h" 21339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek#include "llvm/ADT/OwningPtr.h" 226a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek#include "llvm/Support/MemoryBuffer.h" 236a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek#include <sstream> 246a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenekusing namespace clang; 256a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek 269402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner 275ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner/// HighlightRange - Highlight a range in the source code with the specified 285ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner/// start/end tags. B/E must be in the same file. This ensures that 295ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner/// start/end tags are placed at the start/end of each line if the range is 305ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner/// multiline. 315ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattnervoid html::HighlightRange(Rewriter &R, SourceLocation B, SourceLocation E, 325ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner const char *StartTag, const char *EndTag) { 335ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner SourceManager &SM = R.getSourceMgr(); 345ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner B = SM.getLogicalLoc(B); 355ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner E = SM.getLogicalLoc(E); 365ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner unsigned FileID = SM.getCanonicalFileID(B); 375ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner assert(SM.getCanonicalFileID(E) == FileID && "B/E not in the same file!"); 385ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner 395ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner unsigned BOffset = SM.getFullFilePos(B); 405ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner unsigned EOffset = SM.getFullFilePos(E); 415ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner 425ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner // Include the whole end token in the range. 435ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner EOffset += Lexer::MeasureTokenLength(E, R.getSourceMgr()); 445ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner 455ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner HighlightRange(R.getEditBuffer(FileID), BOffset, EOffset, 465ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner SM.getBufferData(FileID).first, StartTag, EndTag); 475ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner} 485ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner 495ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner/// HighlightRange - This is the same as the above method, but takes 505ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner/// decomposed file locations. 515ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattnervoid html::HighlightRange(RewriteBuffer &RB, unsigned B, unsigned E, 525ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner const char *BufferStart, 535ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner const char *StartTag, const char *EndTag) { 549402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // Insert the tag at the absolute start/end of the range. 555ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner RB.InsertTextAfter(B, StartTag, strlen(StartTag)); 565ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner RB.InsertTextBefore(E, EndTag, strlen(EndTag)); 575ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner 589402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // Scan the range to see if there is a \r or \n. If so, and if the line is 599402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // not blank, insert tags on that line as well. 609402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner bool HadOpenTag = true; 619402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner 629402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner unsigned LastNonWhiteSpace = B; 639402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner for (unsigned i = B; i != E; ++i) { 649402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner switch (BufferStart[i]) { 659402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner case '\r': 669402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner case '\n': 679402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // Okay, we found a newline in the range. If we have an open tag, we need 689402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // to insert a close tag at the first non-whitespace before the newline. 699402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner if (HadOpenTag) 709402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner RB.InsertTextBefore(LastNonWhiteSpace+1, EndTag, strlen(EndTag)); 719402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner 729402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // Instead of inserting an open tag immediately after the newline, we 739402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // wait until we see a non-whitespace character. This prevents us from 749402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // inserting tags around blank lines, and also allows the open tag to 759402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // be put *after* whitespace on a non-blank line. 769402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner HadOpenTag = false; 779402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner break; 789402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner case '\0': 799402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner case ' ': 809402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner case '\t': 819402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner case '\f': 829402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner case '\v': 839402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // Ignore whitespace. 849402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner break; 859402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner 869402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner default: 879402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // If there is no tag open, do it now. 889402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner if (!HadOpenTag) { 899402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner RB.InsertTextAfter(i, StartTag, strlen(StartTag)); 909402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner HadOpenTag = true; 919402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner } 929402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner 939402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner // Remember this character. 949402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner LastNonWhiteSpace = i; 959402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner break; 969402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner } 979402b57a0dca4058fe56d7fd84e97fc496421125Chris Lattner } 985ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner} 995ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner 100fa5be3617294f0e3c341f0ecb6b2076478b1b5acTed Kremenekvoid html::EscapeText(Rewriter& R, unsigned FileID, 101fa5be3617294f0e3c341f0ecb6b2076478b1b5acTed Kremenek bool EscapeSpaces, bool ReplaceTabs) { 1026a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek 1036a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek const llvm::MemoryBuffer *Buf = R.getSourceMgr().getBuffer(FileID); 1046a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek const char* C = Buf->getBufferStart(); 1056a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek const char* FileEnd = Buf->getBufferEnd(); 1066a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek 1076a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek assert (C <= FileEnd); 1086a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek 109735271479ac57c27f744806859efd5b001dea248Chris Lattner RewriteBuffer &RB = R.getEditBuffer(FileID); 1105c176f7a9ba9f7084b903393845be24f85e091daChris Lattner 1115c176f7a9ba9f7084b903393845be24f85e091daChris Lattner unsigned ColNo = 0; 1126a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek for (unsigned FilePos = 0; C != FileEnd ; ++C, ++FilePos) { 1136a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek switch (*C) { 1145c176f7a9ba9f7084b903393845be24f85e091daChris Lattner default: ++ColNo; break; 1155c176f7a9ba9f7084b903393845be24f85e091daChris Lattner case '\n': 1165c176f7a9ba9f7084b903393845be24f85e091daChris Lattner case '\r': 1175c176f7a9ba9f7084b903393845be24f85e091daChris Lattner ColNo = 0; 1185c176f7a9ba9f7084b903393845be24f85e091daChris Lattner break; 119735271479ac57c27f744806859efd5b001dea248Chris Lattner 120735271479ac57c27f744806859efd5b001dea248Chris Lattner case ' ': 121735271479ac57c27f744806859efd5b001dea248Chris Lattner if (EscapeSpaces) 122735271479ac57c27f744806859efd5b001dea248Chris Lattner RB.ReplaceText(FilePos, 1, " ", 6); 1235c176f7a9ba9f7084b903393845be24f85e091daChris Lattner ++ColNo; 124735271479ac57c27f744806859efd5b001dea248Chris Lattner break; 1256a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek 1265c176f7a9ba9f7084b903393845be24f85e091daChris Lattner case '\t': { 127735271479ac57c27f744806859efd5b001dea248Chris Lattner if (!ReplaceTabs) 12849cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek break; 1295c176f7a9ba9f7084b903393845be24f85e091daChris Lattner unsigned NumSpaces = 8-(ColNo&7); 130735271479ac57c27f744806859efd5b001dea248Chris Lattner if (EscapeSpaces) 1318aa06aca8b2d3771a5405d789b2e704149045dd4Chris Lattner RB.ReplaceText(FilePos, 1, " " 1325c176f7a9ba9f7084b903393845be24f85e091daChris Lattner " ", 6*NumSpaces); 133735271479ac57c27f744806859efd5b001dea248Chris Lattner else 1345c176f7a9ba9f7084b903393845be24f85e091daChris Lattner RB.ReplaceText(FilePos, 1, " ", NumSpaces); 1355c176f7a9ba9f7084b903393845be24f85e091daChris Lattner ColNo += NumSpaces; 136735271479ac57c27f744806859efd5b001dea248Chris Lattner break; 1375c176f7a9ba9f7084b903393845be24f85e091daChris Lattner } 138735271479ac57c27f744806859efd5b001dea248Chris Lattner case '<': 139735271479ac57c27f744806859efd5b001dea248Chris Lattner RB.ReplaceText(FilePos, 1, "<", 4); 1405c176f7a9ba9f7084b903393845be24f85e091daChris Lattner ++ColNo; 141735271479ac57c27f744806859efd5b001dea248Chris Lattner break; 142735271479ac57c27f744806859efd5b001dea248Chris Lattner 143735271479ac57c27f744806859efd5b001dea248Chris Lattner case '>': 144735271479ac57c27f744806859efd5b001dea248Chris Lattner RB.ReplaceText(FilePos, 1, ">", 4); 1455c176f7a9ba9f7084b903393845be24f85e091daChris Lattner ++ColNo; 146735271479ac57c27f744806859efd5b001dea248Chris Lattner break; 147735271479ac57c27f744806859efd5b001dea248Chris Lattner 148735271479ac57c27f744806859efd5b001dea248Chris Lattner case '&': 149735271479ac57c27f744806859efd5b001dea248Chris Lattner RB.ReplaceText(FilePos, 1, "&", 5); 1505c176f7a9ba9f7084b903393845be24f85e091daChris Lattner ++ColNo; 151735271479ac57c27f744806859efd5b001dea248Chris Lattner break; 1526a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek } 1536a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek } 1546a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek} 1556a34083e9f74a45e2f79c9fab66f177809a5db66Ted Kremenek 156fa5be3617294f0e3c341f0ecb6b2076478b1b5acTed Kremenekstd::string html::EscapeText(const std::string& s, bool EscapeSpaces, 157fa5be3617294f0e3c341f0ecb6b2076478b1b5acTed Kremenek bool ReplaceTabs) { 158053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek 159053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek unsigned len = s.size(); 160053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek std::ostringstream os; 161053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek 162053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek for (unsigned i = 0 ; i < len; ++i) { 163053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek 164053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek char c = s[i]; 165053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek switch (c) { 1668570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner default: 1678570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner os << c; break; 1688570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner 1698570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner case ' ': 1708570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner if (EscapeSpaces) os << " "; 1718570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner else os << ' '; 1728570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner break; 1738570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner 1748570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner case '\t': 1758570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner if (ReplaceTabs) 1768570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner for (unsigned i = 0; i < 4; ++i) 1778570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner os << " "; 1788570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner else 1798570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner os << c; 1808570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner 181053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek break; 1828570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner 1838570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner case '<': os << "<"; break; 1848570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner case '>': os << ">"; break; 1858570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner case '&': os << "&"; break; 186053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek } 187053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek } 188053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek 189053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek return os.str(); 190053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek} 191053ef593fa9d2b890645a914eee203231fb34458Ted Kremenek 1928570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattnerstatic void AddLineNumber(RewriteBuffer &RB, unsigned LineNo, 1938570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner unsigned B, unsigned E) { 19457df3b950061c73d13d3116f747e79d7955a216aChris Lattner llvm::SmallString<100> Str; 19557df3b950061c73d13d3116f747e79d7955a216aChris Lattner Str += "<tr><td class=\"num\" id=\"LN"; 19657df3b950061c73d13d3116f747e79d7955a216aChris Lattner Str.append_uint(LineNo); 19757df3b950061c73d13d3116f747e79d7955a216aChris Lattner Str += "\">"; 19857df3b950061c73d13d3116f747e79d7955a216aChris Lattner Str.append_uint(LineNo); 19957df3b950061c73d13d3116f747e79d7955a216aChris Lattner Str += "</td><td class=\"line\">"; 20057df3b950061c73d13d3116f747e79d7955a216aChris Lattner 20149cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek if (B == E) { // Handle empty lines. 20257df3b950061c73d13d3116f747e79d7955a216aChris Lattner Str += " </td></tr>"; 2038570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner RB.InsertTextBefore(B, &Str[0], Str.size()); 20457df3b950061c73d13d3116f747e79d7955a216aChris Lattner } else { 2058570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner RB.InsertTextBefore(B, &Str[0], Str.size()); 2068570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner RB.InsertTextBefore(E, "</td></tr>", strlen("</td></tr>")); 20749cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek } 208b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek} 209b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 210b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenekvoid html::AddLineNumbers(Rewriter& R, unsigned FileID) { 211b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 212b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek const llvm::MemoryBuffer *Buf = R.getSourceMgr().getBuffer(FileID); 213b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek const char* FileBeg = Buf->getBufferStart(); 214b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek const char* FileEnd = Buf->getBufferEnd(); 215b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek const char* C = FileBeg; 2168570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner RewriteBuffer &RB = R.getEditBuffer(FileID); 217b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 218b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek assert (C <= FileEnd); 219b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 220b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek unsigned LineNo = 0; 221b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek unsigned FilePos = 0; 222b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 223b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek while (C != FileEnd) { 224b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 225b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek ++LineNo; 226b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek unsigned LineStartPos = FilePos; 227b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek unsigned LineEndPos = FileEnd - FileBeg; 228b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 229b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek assert (FilePos <= LineEndPos); 230b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek assert (C < FileEnd); 231b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 232b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek // Scan until the newline (or end-of-file). 233b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 23449cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek while (C != FileEnd) { 23549cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek char c = *C; 23649cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek ++C; 23749cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek 23849cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek if (c == '\n') { 23949cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek LineEndPos = FilePos++; 240b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek break; 241b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek } 24249cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek 24349cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek ++FilePos; 24449cd6354d5373245dd2e69ca7b7113e6a795d36eTed Kremenek } 245b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek 2468570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner AddLineNumber(RB, LineNo, LineStartPos, LineEndPos); 247d6c1360c2bf234c73572a865f119d0518aca8154Ted Kremenek } 248d6c1360c2bf234c73572a865f119d0518aca8154Ted Kremenek 2498570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner // Add one big table tag that surrounds all of the code. 2508570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner RB.InsertTextBefore(0, "<table class=\"code\">\n", 2518570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner strlen("<table class=\"code\">\n")); 252d6c1360c2bf234c73572a865f119d0518aca8154Ted Kremenek 2538570f0b0fde7ca812f8d37f52305f3df4dd2ce01Chris Lattner RB.InsertTextAfter(FileEnd - FileBeg, "</table>", strlen("</table>")); 254b485cd1e0a5a1e942d0e682b9b1c4bc9df111528Ted Kremenek} 255ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek 256ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenekvoid html::AddHeaderFooterInternalBuiltinCSS(Rewriter& R, unsigned FileID) { 257ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek 258ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek const llvm::MemoryBuffer *Buf = R.getSourceMgr().getBuffer(FileID); 259ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek const char* FileStart = Buf->getBufferStart(); 260ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek const char* FileEnd = Buf->getBufferEnd(); 261ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek 262ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek SourceLocation StartLoc = SourceLocation::getFileLoc(FileID, 0); 263ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek SourceLocation EndLoc = SourceLocation::getFileLoc(FileID, FileEnd-FileStart); 264ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek 265ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek // Generate header 26670bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek R.InsertCStrBefore(StartLoc, 26738941b5b545ba68fa6d723a4123eec8deb7f5e5dTed Kremenek "<!doctype html>\n" // Use HTML 5 doctype 26838941b5b545ba68fa6d723a4123eec8deb7f5e5dTed Kremenek "<html>\n<head>\n" 26970bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek "<style type=\"text/css\">\n" 27070bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " body { color:#000000; background-color:#ffffff }\n" 27170bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " body { font-family:Helvetica, sans-serif; font-size:10pt }\n" 2724b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " h1 { font-size:14pt }\n" 273f5016260522e449e9bacdb0e5a87ad3932d9fbd4Ted Kremenek " .code { border-collapse:collapse; width:100%; }\n" 27470bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .code { font-family: \"Andale Mono\", monospace; font-size:10pt }\n" 27570bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .code { line-height: 1.2em }\n" 276f5016260522e449e9bacdb0e5a87ad3932d9fbd4Ted Kremenek " .comment { color: green; font-style: oblique }\n" 277f5016260522e449e9bacdb0e5a87ad3932d9fbd4Ted Kremenek " .keyword { color: blue }\n" 278f5016260522e449e9bacdb0e5a87ad3932d9fbd4Ted Kremenek " .directive { color: darkmagenta }\n" 2796f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner // Macro expansions. 28007339a63b46e38c954fcccbef721c609d0c2040eTed Kremenek " .expansion { display: none; }\n" 28107339a63b46e38c954fcccbef721c609d0c2040eTed Kremenek " .macro:hover .expansion { display: block; border: 2px solid #FF0000; " 282dc5be47542e6d4a28d20abf9c0f0a0edd72939b6Chris Lattner "padding: 2px; background-color:#FFF0F0; font-weight: normal; " 2836f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner " -webkit-border-radius:5px; -webkit-box-shadow:1px 1px 7px #000; " 2848aa06aca8b2d3771a5405d789b2e704149045dd4Chris Lattner "position: absolute; top: -1em; left:10em; z-index: 1 } \n" 285f5016260522e449e9bacdb0e5a87ad3932d9fbd4Ted Kremenek " .macro { color: darkmagenta; background-color:LemonChiffon;" 2866f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner // Macros are position: relative to provide base for expansions. 2876f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner " position: relative }\n" 28870bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .num { width:2.5em; padding-right:2ex; background-color:#eeeeee }\n" 28970bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .num { text-align:right; font-size: smaller }\n" 29070bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .num { color:#444444 }\n" 29170bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .line { padding-left: 1ex; border-left: 3px solid #ccc }\n" 29270bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .line { white-space: pre }\n" 29370bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .msg { background-color:#fff8b4; color:#000000 }\n" 29470bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .msg { -webkit-box-shadow:1px 1px 7px #000 }\n" 29570bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .msg { -webkit-border-radius:5px }\n" 29670bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .msg { font-family:Helvetica, sans-serif; font-size: smaller }\n" 29770bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .msg { font-weight: bold }\n" 29870bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .msg { float:left }\n" 29970bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .msg { padding:0.5em 1ex 0.5em 1ex }\n" 30070bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .msg { margin-top:10px; margin-bottom:10px }\n" 30170bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .mrange { background-color:#dfddf3 }\n" 30270bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .mrange { border-bottom:1px solid #6F9DBE }\n" 30370bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek " .PathIndex { font-weight: bold }\n" 3044b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " table.simpletable {\n" 3054b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " padding: 5px;\n" 3064b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " font-size:12pt;\n" 3074b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " margin:20px;\n" 3084b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " border-collapse: collapse; border-spacing: 0px;\n" 3094b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " }\n" 3104b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " td.rowname {\n" 3114b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " text-align:right; font-weight:bold; color:#444444;\n" 3124b0f81323b518429203051bbcd4864bbf4b000a9Ted Kremenek " padding-right:2ex; }\n" 31370bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek "</style>\n</head>\n<body>"); 31470bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek 315ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek // Generate footer 316ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek 31770bcba6030a76edf46c4f941ad9a5297a1f98c47Ted Kremenek R.InsertCStrAfter(EndLoc, "</body></html>\n"); 318ad0a203130dc5d1fb7231b88767174511424fa98Ted Kremenek} 3193245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner 3203245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner/// SyntaxHighlight - Relex the specified FileID and annotate the HTML with 3213245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner/// information about keywords, macro expansions etc. This uses the macro 3223245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner/// table state from the end of the file, so it won't be perfectly perfect, 3233245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner/// but it will be reasonably close. 3243245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattnervoid html::SyntaxHighlight(Rewriter &R, unsigned FileID, Preprocessor &PP) { 3253245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner RewriteBuffer &RB = R.getEditBuffer(FileID); 3263245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner 327a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner const SourceManager &SourceMgr = PP.getSourceManager(); 328a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner std::pair<const char*, const char*> File = SourceMgr.getBufferData(FileID); 329a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner const char *BufferStart = File.first; 330a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner 331a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner Lexer L(SourceLocation::getFileLoc(FileID, 0), PP.getLangOptions(), 332a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner File.first, File.second); 333a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner 3343245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner // Inform the preprocessor that we want to retain comments as tokens, so we 3353245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner // can highlight them. 336678c6358c8d4e368c78629099142397c63c1ee35Chris Lattner L.SetCommentRetentionState(true); 3373245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner 338c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Lex all the tokens in raw mode, to avoid entering #includes or expanding 339c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // macros. 3403245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner Token Tok; 341a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner L.LexRawToken(Tok); 34274ea3e5c57c087c046223096a97ea4e365f85eb6Chris Lattner 34374ea3e5c57c087c046223096a97ea4e365f85eb6Chris Lattner while (Tok.isNot(tok::eof)) { 34474ea3e5c57c087c046223096a97ea4e365f85eb6Chris Lattner // Since we are lexing unexpanded tokens, all tokens are from the main 34574ea3e5c57c087c046223096a97ea4e365f85eb6Chris Lattner // FileID. 34674ea3e5c57c087c046223096a97ea4e365f85eb6Chris Lattner unsigned TokOffs = SourceMgr.getFullFilePos(Tok.getLocation()); 3473245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner unsigned TokLen = Tok.getLength(); 3483245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner switch (Tok.getKind()) { 349a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner default: break; 350a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner case tok::identifier: { 351a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner // Fill in Result.IdentifierInfo, looking up the identifier in the 352a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner // identifier table. 353a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner IdentifierInfo *II = PP.LookUpIdentifierInfo(Tok, BufferStart+TokOffs); 354a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner 355a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner // If this is a pp-identifier, for a keyword, highlight it as such. 3565ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner if (II->getTokenID() != tok::identifier) 3575ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner HighlightRange(RB, TokOffs, TokOffs+TokLen, BufferStart, 3585ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner "<span class='keyword'>", "</span>"); 359c4586c234edd8df0477a895aebcbc3eb220aed6bChris Lattner break; 360a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner } 3613245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner case tok::comment: 3625ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner HighlightRange(RB, TokOffs, TokOffs+TokLen, BufferStart, 3635ef3e2c45f13fccdb0d7bbcf24c1beee8eee6f64Chris Lattner "<span class='comment'>", "</span>"); 3643245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner break; 3655deb96d06583abb751463427457d46041af262d0Chris Lattner case tok::hash: { 36674ea3e5c57c087c046223096a97ea4e365f85eb6Chris Lattner // If this is a preprocessor directive, all tokens to end of line are too. 3675deb96d06583abb751463427457d46041af262d0Chris Lattner if (!Tok.isAtStartOfLine()) 3685deb96d06583abb751463427457d46041af262d0Chris Lattner break; 3695deb96d06583abb751463427457d46041af262d0Chris Lattner 3705deb96d06583abb751463427457d46041af262d0Chris Lattner // Eat all of the tokens until we get to the next one at the start of 3715deb96d06583abb751463427457d46041af262d0Chris Lattner // line. 3725deb96d06583abb751463427457d46041af262d0Chris Lattner unsigned TokEnd = TokOffs+TokLen; 3735deb96d06583abb751463427457d46041af262d0Chris Lattner L.LexRawToken(Tok); 3745deb96d06583abb751463427457d46041af262d0Chris Lattner while (!Tok.isAtStartOfLine() && Tok.isNot(tok::eof)) { 3755deb96d06583abb751463427457d46041af262d0Chris Lattner TokEnd = SourceMgr.getFullFilePos(Tok.getLocation())+Tok.getLength(); 3765deb96d06583abb751463427457d46041af262d0Chris Lattner L.LexRawToken(Tok); 37774ea3e5c57c087c046223096a97ea4e365f85eb6Chris Lattner } 3785deb96d06583abb751463427457d46041af262d0Chris Lattner 3795deb96d06583abb751463427457d46041af262d0Chris Lattner // Find end of line. This is a hack. 3805deb96d06583abb751463427457d46041af262d0Chris Lattner HighlightRange(RB, TokOffs, TokEnd, BufferStart, 3815deb96d06583abb751463427457d46041af262d0Chris Lattner "<span class='directive'>", "</span>"); 3825deb96d06583abb751463427457d46041af262d0Chris Lattner 3835deb96d06583abb751463427457d46041af262d0Chris Lattner // Don't skip the next token. 3845deb96d06583abb751463427457d46041af262d0Chris Lattner continue; 3855deb96d06583abb751463427457d46041af262d0Chris Lattner } 3863245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner } 3873245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner 388a745e8c52839d9c8dd0fd8d5276b4eab182ec7f2Chris Lattner L.LexRawToken(Tok); 38974ea3e5c57c087c046223096a97ea4e365f85eb6Chris Lattner } 3903245a0a1c7a4fd74fca845b2edba275bb126d773Chris Lattner} 391c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 392c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner/// HighlightMacros - This uses the macro table state from the end of the 393c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner/// file, to reexpand macros and insert (into the HTML) information about the 394c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner/// macro expansions. This won't be perfectly perfect, but it will be 395c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner/// reasonably close. 396339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenekvoid html::HighlightMacros(Rewriter &R, unsigned FileID, 397339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek PreprocessorFactory &PPF) { 398339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek 399339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek llvm::OwningPtr<Preprocessor> PP(PPF.CreatePreprocessor()); 400339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek 401339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek 402c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner RewriteBuffer &RB = R.getEditBuffer(FileID); 403c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 404c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Inform the preprocessor that we don't want comments. 405339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek PP->SetCommentRetentionState(false, false); 406c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 407c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Start parsing the specified input file. 408339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek PP->EnterMainSourceFile(); 409c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 410c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Lex all the tokens. 411339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek const SourceManager &SourceMgr = PP->getSourceManager(); 412c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner Token Tok; 413339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek PP->Lex(Tok); 414c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner while (Tok.isNot(tok::eof)) { 415c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Ignore non-macro tokens. 416c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner if (!Tok.getLocation().isMacroID()) { 417339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek PP->Lex(Tok); 418c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner continue; 419c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner } 420c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 421c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Ignore tokens whose logical location was not the main file. 422c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner SourceLocation LLoc = SourceMgr.getLogicalLoc(Tok.getLocation()); 423c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner std::pair<unsigned, unsigned> LLocInfo = 424c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner SourceMgr.getDecomposedFileLoc(LLoc); 425c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 426c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner if (LLocInfo.first != FileID) { 427339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek PP->Lex(Tok); 428c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner continue; 429c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner } 430c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 431c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Okay, we have the first token of a macro expansion: highlight the 432c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // instantiation. 433c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 434c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Get the size of current macro call itself. 435c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // FIXME: This should highlight the args of a function-like 436c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // macro, using a heuristic. 437c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner unsigned TokLen = Lexer::MeasureTokenLength(LLoc, SourceMgr); 438c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 439c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner unsigned TokOffs = LLocInfo.second; 4406f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner // Highlight the macro invocation itself. 441c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner RB.InsertTextAfter(TokOffs, "<span class='macro'>", 442c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner strlen("<span class='macro'>")); 443c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner RB.InsertTextBefore(TokOffs+TokLen, "</span>", strlen("</span>")); 444c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 445339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek std::string Expansion = PP->getSpelling(Tok); 4466f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner unsigned LineLen = Expansion.size(); 4476f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner 448c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Okay, eat this token, getting the next one. 449339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek PP->Lex(Tok); 450c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 451c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // Skip all the rest of the tokens that are part of this macro 452c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // instantiation. It would be really nice to pop up a window with all the 453c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner // spelling of the tokens or something. 454c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner while (!Tok.is(tok::eof) && 4556f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner SourceMgr.getLogicalLoc(Tok.getLocation()) == LLoc) { 4566f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner // Insert a newline if the macro expansion is getting large. 4576f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner if (LineLen > 60) { 4586f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner Expansion += "<br>"; 4596f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner LineLen = 0; 4606f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner } 4616f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner 4626f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner LineLen -= Expansion.size(); 4639227c6953497be34281354f949d6f4cd34a696ccChris Lattner // Escape any special characters in the token text. 4649227c6953497be34281354f949d6f4cd34a696ccChris Lattner Expansion += ' ' + EscapeText(PP->getSpelling(Tok)); 4656f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner LineLen += Expansion.size(); 466339b9c27759d7b6a53e2370f83f66e78b3254595Ted Kremenek PP->Lex(Tok); 4676f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner } 4689227c6953497be34281354f949d6f4cd34a696ccChris Lattner 4696f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner // Insert the information about the expansion inside the macro span. 4706f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner Expansion = "<span class='expansion'>" + Expansion + "</span>"; 4716f46be279f4bc8fc24611f060258bcfbe1c175c4Chris Lattner RB.InsertTextBefore(TokOffs+TokLen, Expansion.c_str(), Expansion.size()); 472c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner } 473c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner} 474c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 475c54d50a4180520370c12dd7d06d035263d357d56Chris Lattner 476