463 lines
16 KiB
C++
463 lines
16 KiB
C++
// Scintilla source code edit control
|
|
/** @file LexCmake.cxx
|
|
** Lexer for Cmake
|
|
**/
|
|
// Copyright 2007 by Cristian Adam <cristian [dot] adam [at] gmx [dot] net>
|
|
// based on the NSIS lexer
|
|
// The License.txt file describes the conditions under which this software may be distributed.
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
|
|
#include "ILexer.h"
|
|
#include "Scintilla.h"
|
|
#include "SciLexer.h"
|
|
|
|
#include "PropSetSimple.h"
|
|
#include "WordList.h"
|
|
#include "LexAccessor.h"
|
|
#include "Accessor.h"
|
|
#include "StyleContext.h"
|
|
#include "CharacterSet.h"
|
|
#include "LexerModule.h"
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
using namespace Scintilla;
|
|
#endif
|
|
|
|
static bool isCmakeNumber(char ch)
|
|
{
|
|
return(ch >= '0' && ch <= '9');
|
|
}
|
|
|
|
static bool isCmakeChar(char ch)
|
|
{
|
|
return(ch == '.' ) || (ch == '_' ) || isCmakeNumber(ch) || (ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z');
|
|
}
|
|
|
|
static bool isCmakeLetter(char ch)
|
|
{
|
|
return(ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z');
|
|
}
|
|
|
|
static bool CmakeNextLineHasElse(unsigned int start, unsigned int end, Accessor &styler)
|
|
{
|
|
int nNextLine = -1;
|
|
for ( unsigned int i = start; i < end; i++ ) {
|
|
char cNext = styler.SafeGetCharAt( i );
|
|
if ( cNext == '\n' ) {
|
|
nNextLine = i+1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( nNextLine == -1 ) // We never foudn the next line...
|
|
return false;
|
|
|
|
for ( unsigned int firstChar = nNextLine; firstChar < end; firstChar++ ) {
|
|
char cNext = styler.SafeGetCharAt( firstChar );
|
|
if ( cNext == ' ' )
|
|
continue;
|
|
if ( cNext == '\t' )
|
|
continue;
|
|
if ( styler.Match(firstChar, "ELSE") || styler.Match(firstChar, "else"))
|
|
return true;
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int calculateFoldCmake(unsigned int start, unsigned int end, int foldlevel, Accessor &styler, bool bElse)
|
|
{
|
|
// If the word is too long, it is not what we are looking for
|
|
if ( end - start > 20 )
|
|
return foldlevel;
|
|
|
|
int newFoldlevel = foldlevel;
|
|
|
|
char s[20]; // The key word we are looking for has atmost 13 characters
|
|
for (unsigned int i = 0; i < end - start + 1 && i < 19; i++) {
|
|
s[i] = static_cast<char>( styler[ start + i ] );
|
|
s[i + 1] = '\0';
|
|
}
|
|
|
|
if ( CompareCaseInsensitive(s, "IF") == 0 || CompareCaseInsensitive(s, "WHILE") == 0
|
|
|| CompareCaseInsensitive(s, "MACRO") == 0 || CompareCaseInsensitive(s, "FOREACH") == 0
|
|
|| CompareCaseInsensitive(s, "ELSEIF") == 0 )
|
|
newFoldlevel++;
|
|
else if ( CompareCaseInsensitive(s, "ENDIF") == 0 || CompareCaseInsensitive(s, "ENDWHILE") == 0
|
|
|| CompareCaseInsensitive(s, "ENDMACRO") == 0 || CompareCaseInsensitive(s, "ENDFOREACH") == 0)
|
|
newFoldlevel--;
|
|
else if ( bElse && CompareCaseInsensitive(s, "ELSEIF") == 0 )
|
|
newFoldlevel++;
|
|
else if ( bElse && CompareCaseInsensitive(s, "ELSE") == 0 )
|
|
newFoldlevel++;
|
|
|
|
return newFoldlevel;
|
|
}
|
|
|
|
static int classifyWordCmake(unsigned int start, unsigned int end, WordList *keywordLists[], Accessor &styler )
|
|
{
|
|
char word[100] = {0};
|
|
char lowercaseWord[100] = {0};
|
|
|
|
WordList &Commands = *keywordLists[0];
|
|
WordList &Parameters = *keywordLists[1];
|
|
WordList &UserDefined = *keywordLists[2];
|
|
|
|
for (unsigned int i = 0; i < end - start + 1 && i < 99; i++) {
|
|
word[i] = static_cast<char>( styler[ start + i ] );
|
|
lowercaseWord[i] = static_cast<char>(tolower(word[i]));
|
|
}
|
|
|
|
// Check for special words...
|
|
if ( CompareCaseInsensitive(word, "MACRO") == 0 || CompareCaseInsensitive(word, "ENDMACRO") == 0 )
|
|
return SCE_CMAKE_MACRODEF;
|
|
|
|
if ( CompareCaseInsensitive(word, "IF") == 0 || CompareCaseInsensitive(word, "ENDIF") == 0 )
|
|
return SCE_CMAKE_IFDEFINEDEF;
|
|
|
|
if ( CompareCaseInsensitive(word, "ELSEIF") == 0 || CompareCaseInsensitive(word, "ELSE") == 0 )
|
|
return SCE_CMAKE_IFDEFINEDEF;
|
|
|
|
if ( CompareCaseInsensitive(word, "WHILE") == 0 || CompareCaseInsensitive(word, "ENDWHILE") == 0)
|
|
return SCE_CMAKE_WHILEDEF;
|
|
|
|
if ( CompareCaseInsensitive(word, "FOREACH") == 0 || CompareCaseInsensitive(word, "ENDFOREACH") == 0)
|
|
return SCE_CMAKE_FOREACHDEF;
|
|
|
|
if ( Commands.InList(lowercaseWord) )
|
|
return SCE_CMAKE_COMMANDS;
|
|
|
|
if ( Parameters.InList(word) )
|
|
return SCE_CMAKE_PARAMETERS;
|
|
|
|
|
|
if ( UserDefined.InList(word) )
|
|
return SCE_CMAKE_USERDEFINED;
|
|
|
|
if ( strlen(word) > 3 ) {
|
|
if ( word[1] == '{' && word[strlen(word)-1] == '}' )
|
|
return SCE_CMAKE_VARIABLE;
|
|
}
|
|
|
|
// To check for numbers
|
|
if ( isCmakeNumber( word[0] ) ) {
|
|
bool bHasSimpleCmakeNumber = true;
|
|
for (unsigned int j = 1; j < end - start + 1 && j < 99; j++) {
|
|
if ( !isCmakeNumber( word[j] ) ) {
|
|
bHasSimpleCmakeNumber = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( bHasSimpleCmakeNumber )
|
|
return SCE_CMAKE_NUMBER;
|
|
}
|
|
|
|
return SCE_CMAKE_DEFAULT;
|
|
}
|
|
|
|
static void ColouriseCmakeDoc(unsigned int startPos, int length, int, WordList *keywordLists[], Accessor &styler)
|
|
{
|
|
int state = SCE_CMAKE_DEFAULT;
|
|
if ( startPos > 0 )
|
|
state = styler.StyleAt(startPos-1); // Use the style from the previous line, usually default, but could be commentbox
|
|
|
|
styler.StartAt( startPos );
|
|
styler.GetLine( startPos );
|
|
|
|
unsigned int nLengthDoc = startPos + length;
|
|
styler.StartSegment( startPos );
|
|
|
|
char cCurrChar;
|
|
bool bVarInString = false;
|
|
bool bClassicVarInString = false;
|
|
|
|
unsigned int i;
|
|
for ( i = startPos; i < nLengthDoc; i++ ) {
|
|
cCurrChar = styler.SafeGetCharAt( i );
|
|
char cNextChar = styler.SafeGetCharAt(i+1);
|
|
|
|
switch (state) {
|
|
case SCE_CMAKE_DEFAULT:
|
|
if ( cCurrChar == '#' ) { // we have a comment line
|
|
styler.ColourTo(i-1, state );
|
|
state = SCE_CMAKE_COMMENT;
|
|
break;
|
|
}
|
|
if ( cCurrChar == '"' ) {
|
|
styler.ColourTo(i-1, state );
|
|
state = SCE_CMAKE_STRINGDQ;
|
|
bVarInString = false;
|
|
bClassicVarInString = false;
|
|
break;
|
|
}
|
|
if ( cCurrChar == '\'' ) {
|
|
styler.ColourTo(i-1, state );
|
|
state = SCE_CMAKE_STRINGRQ;
|
|
bVarInString = false;
|
|
bClassicVarInString = false;
|
|
break;
|
|
}
|
|
if ( cCurrChar == '`' ) {
|
|
styler.ColourTo(i-1, state );
|
|
state = SCE_CMAKE_STRINGLQ;
|
|
bVarInString = false;
|
|
bClassicVarInString = false;
|
|
break;
|
|
}
|
|
|
|
// CMake Variable
|
|
if ( cCurrChar == '$' || isCmakeChar(cCurrChar)) {
|
|
styler.ColourTo(i-1,state);
|
|
state = SCE_CMAKE_VARIABLE;
|
|
|
|
// If it is a number, we must check and set style here first...
|
|
if ( isCmakeNumber(cCurrChar) && (cNextChar == '\t' || cNextChar == ' ' || cNextChar == '\r' || cNextChar == '\n' ) )
|
|
styler.ColourTo( i, SCE_CMAKE_NUMBER);
|
|
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case SCE_CMAKE_COMMENT:
|
|
if ( cNextChar == '\n' || cNextChar == '\r' ) {
|
|
// Special case:
|
|
if ( cCurrChar == '\\' ) {
|
|
styler.ColourTo(i-2,state);
|
|
styler.ColourTo(i,SCE_CMAKE_DEFAULT);
|
|
}
|
|
else {
|
|
styler.ColourTo(i,state);
|
|
state = SCE_CMAKE_DEFAULT;
|
|
}
|
|
}
|
|
break;
|
|
case SCE_CMAKE_STRINGDQ:
|
|
case SCE_CMAKE_STRINGLQ:
|
|
case SCE_CMAKE_STRINGRQ:
|
|
|
|
if ( styler.SafeGetCharAt(i-1) == '\\' && styler.SafeGetCharAt(i-2) == '$' )
|
|
break; // Ignore the next character, even if it is a quote of some sort
|
|
|
|
if ( cCurrChar == '"' && state == SCE_CMAKE_STRINGDQ ) {
|
|
styler.ColourTo(i,state);
|
|
state = SCE_CMAKE_DEFAULT;
|
|
break;
|
|
}
|
|
|
|
if ( cCurrChar == '`' && state == SCE_CMAKE_STRINGLQ ) {
|
|
styler.ColourTo(i,state);
|
|
state = SCE_CMAKE_DEFAULT;
|
|
break;
|
|
}
|
|
|
|
if ( cCurrChar == '\'' && state == SCE_CMAKE_STRINGRQ ) {
|
|
styler.ColourTo(i,state);
|
|
state = SCE_CMAKE_DEFAULT;
|
|
break;
|
|
}
|
|
|
|
if ( cNextChar == '\r' || cNextChar == '\n' ) {
|
|
int nCurLine = styler.GetLine(i+1);
|
|
int nBack = i;
|
|
// We need to check if the previous line has a \ in it...
|
|
bool bNextLine = false;
|
|
|
|
while ( nBack > 0 ) {
|
|
if ( styler.GetLine(nBack) != nCurLine )
|
|
break;
|
|
|
|
char cTemp = styler.SafeGetCharAt(nBack, 'a'); // Letter 'a' is safe here
|
|
|
|
if ( cTemp == '\\' ) {
|
|
bNextLine = true;
|
|
break;
|
|
}
|
|
if ( cTemp != '\r' && cTemp != '\n' && cTemp != '\t' && cTemp != ' ' )
|
|
break;
|
|
|
|
nBack--;
|
|
}
|
|
|
|
if ( bNextLine ) {
|
|
styler.ColourTo(i+1,state);
|
|
}
|
|
if ( bNextLine == false ) {
|
|
styler.ColourTo(i,state);
|
|
state = SCE_CMAKE_DEFAULT;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SCE_CMAKE_VARIABLE:
|
|
|
|
// CMake Variable:
|
|
if ( cCurrChar == '$' )
|
|
state = SCE_CMAKE_DEFAULT;
|
|
else if ( cCurrChar == '\\' && (cNextChar == 'n' || cNextChar == 'r' || cNextChar == 't' ) )
|
|
state = SCE_CMAKE_DEFAULT;
|
|
else if ( (isCmakeChar(cCurrChar) && !isCmakeChar( cNextChar) && cNextChar != '}') || cCurrChar == '}' ) {
|
|
state = classifyWordCmake( styler.GetStartSegment(), i, keywordLists, styler );
|
|
styler.ColourTo( i, state);
|
|
state = SCE_CMAKE_DEFAULT;
|
|
}
|
|
else if ( !isCmakeChar( cCurrChar ) && cCurrChar != '{' && cCurrChar != '}' ) {
|
|
if ( classifyWordCmake( styler.GetStartSegment(), i-1, keywordLists, styler) == SCE_CMAKE_NUMBER )
|
|
styler.ColourTo( i-1, SCE_CMAKE_NUMBER );
|
|
|
|
state = SCE_CMAKE_DEFAULT;
|
|
|
|
if ( cCurrChar == '"' ) {
|
|
state = SCE_CMAKE_STRINGDQ;
|
|
bVarInString = false;
|
|
bClassicVarInString = false;
|
|
}
|
|
else if ( cCurrChar == '`' ) {
|
|
state = SCE_CMAKE_STRINGLQ;
|
|
bVarInString = false;
|
|
bClassicVarInString = false;
|
|
}
|
|
else if ( cCurrChar == '\'' ) {
|
|
state = SCE_CMAKE_STRINGRQ;
|
|
bVarInString = false;
|
|
bClassicVarInString = false;
|
|
}
|
|
else if ( cCurrChar == '#' ) {
|
|
state = SCE_CMAKE_COMMENT;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if ( state == SCE_CMAKE_COMMENT) {
|
|
styler.ColourTo(i,state);
|
|
}
|
|
else if ( state == SCE_CMAKE_STRINGDQ || state == SCE_CMAKE_STRINGLQ || state == SCE_CMAKE_STRINGRQ ) {
|
|
bool bIngoreNextDollarSign = false;
|
|
|
|
if ( bVarInString && cCurrChar == '$' ) {
|
|
bVarInString = false;
|
|
bIngoreNextDollarSign = true;
|
|
}
|
|
else if ( bVarInString && cCurrChar == '\\' && (cNextChar == 'n' || cNextChar == 'r' || cNextChar == 't' || cNextChar == '"' || cNextChar == '`' || cNextChar == '\'' ) ) {
|
|
styler.ColourTo( i+1, SCE_CMAKE_STRINGVAR);
|
|
bVarInString = false;
|
|
bIngoreNextDollarSign = false;
|
|
}
|
|
|
|
else if ( bVarInString && !isCmakeChar(cNextChar) ) {
|
|
int nWordState = classifyWordCmake( styler.GetStartSegment(), i, keywordLists, styler);
|
|
if ( nWordState == SCE_CMAKE_VARIABLE )
|
|
styler.ColourTo( i, SCE_CMAKE_STRINGVAR);
|
|
bVarInString = false;
|
|
}
|
|
// Covers "${TEST}..."
|
|
else if ( bClassicVarInString && cNextChar == '}' ) {
|
|
styler.ColourTo( i+1, SCE_CMAKE_STRINGVAR);
|
|
bClassicVarInString = false;
|
|
}
|
|
|
|
// Start of var in string
|
|
if ( !bIngoreNextDollarSign && cCurrChar == '$' && cNextChar == '{' ) {
|
|
styler.ColourTo( i-1, state);
|
|
bClassicVarInString = true;
|
|
bVarInString = false;
|
|
}
|
|
else if ( !bIngoreNextDollarSign && cCurrChar == '$' ) {
|
|
styler.ColourTo( i-1, state);
|
|
bVarInString = true;
|
|
bClassicVarInString = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Colourise remaining document
|
|
styler.ColourTo(nLengthDoc-1,state);
|
|
}
|
|
|
|
static void FoldCmakeDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler)
|
|
{
|
|
// No folding enabled, no reason to continue...
|
|
if ( styler.GetPropertyInt("fold") == 0 )
|
|
return;
|
|
|
|
bool foldAtElse = styler.GetPropertyInt("fold.at.else", 0) == 1;
|
|
|
|
int lineCurrent = styler.GetLine(startPos);
|
|
unsigned int safeStartPos = styler.LineStart( lineCurrent );
|
|
|
|
bool bArg1 = true;
|
|
int nWordStart = -1;
|
|
|
|
int levelCurrent = SC_FOLDLEVELBASE;
|
|
if (lineCurrent > 0)
|
|
levelCurrent = styler.LevelAt(lineCurrent-1) >> 16;
|
|
int levelNext = levelCurrent;
|
|
|
|
for (unsigned int i = safeStartPos; i < startPos + length; i++) {
|
|
char chCurr = styler.SafeGetCharAt(i);
|
|
|
|
if ( bArg1 ) {
|
|
if ( nWordStart == -1 && (isCmakeLetter(chCurr)) ) {
|
|
nWordStart = i;
|
|
}
|
|
else if ( isCmakeLetter(chCurr) == false && nWordStart > -1 ) {
|
|
int newLevel = calculateFoldCmake( nWordStart, i-1, levelNext, styler, foldAtElse);
|
|
|
|
if ( newLevel == levelNext ) {
|
|
if ( foldAtElse ) {
|
|
if ( CmakeNextLineHasElse(i, startPos + length, styler) )
|
|
levelNext--;
|
|
}
|
|
}
|
|
else
|
|
levelNext = newLevel;
|
|
bArg1 = false;
|
|
}
|
|
}
|
|
|
|
if ( chCurr == '\n' ) {
|
|
if ( bArg1 && foldAtElse) {
|
|
if ( CmakeNextLineHasElse(i, startPos + length, styler) )
|
|
levelNext--;
|
|
}
|
|
|
|
// If we are on a new line...
|
|
int levelUse = levelCurrent;
|
|
int lev = levelUse | levelNext << 16;
|
|
if (levelUse < levelNext )
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
|
if (lev != styler.LevelAt(lineCurrent))
|
|
styler.SetLevel(lineCurrent, lev);
|
|
|
|
lineCurrent++;
|
|
levelCurrent = levelNext;
|
|
bArg1 = true; // New line, lets look at first argument again
|
|
nWordStart = -1;
|
|
}
|
|
}
|
|
|
|
int levelUse = levelCurrent;
|
|
int lev = levelUse | levelNext << 16;
|
|
if (levelUse < levelNext)
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
|
if (lev != styler.LevelAt(lineCurrent))
|
|
styler.SetLevel(lineCurrent, lev);
|
|
}
|
|
|
|
static const char * const cmakeWordLists[] = {
|
|
"Commands",
|
|
"Parameters",
|
|
"UserDefined",
|
|
0,
|
|
0,};
|
|
|
|
LexerModule lmCmake(SCLEX_CMAKE, ColouriseCmakeDoc, "cmake", FoldCmakeDoc, cmakeWordLists);
|