static void ColourisePSDoc(
unsigned int startPos,
int length,
int initStyle,
WordList *keywordlists[],
Accessor &styler) {
WordList &keywords1 = *keywordlists[0];
WordList &keywords2 = *keywordlists[1];
WordList &keywords3 = *keywordlists[2];
WordList &keywords4 = *keywordlists[3];
WordList &keywords5 = *keywordlists[4];
StyleContext sc(startPos, length, initStyle, styler);
bool tokenizing = styler.GetPropertyInt("ps.tokenize") != 0;
int pslevel = styler.GetPropertyInt("ps.level", 3);
int lineCurrent = styler.GetLine(startPos);
int nestTextCurrent = 0;
if (lineCurrent > 0 && initStyle == SCE_PS_TEXT)
nestTextCurrent = styler.GetLineState(lineCurrent - 1);
int numRadix = 0;
bool numHasPoint = false;
bool numHasExponent = false;
bool numHasSign = false;
// Clear out existing tokenization
if (tokenizing && length > 0) {
styler.StartAt(startPos, static_cast<char>(INDIC2_MASK));
styler.ColourTo(startPos + length-1, 0);
styler.Flush();
styler.StartAt(startPos);
styler.StartSegment(startPos);
}
for (; sc.More(); sc.Forward()) {
if (sc.atLineStart)
lineCurrent = styler.GetLine(sc.currentPos);
// Determine if the current state should terminate.
if (sc.state == SCE_PS_COMMENT || sc.state == SCE_PS_DSC_VALUE) {
if (sc.atLineEnd) {
sc.SetState(SCE_C_DEFAULT);
}
} else if (sc.state == SCE_PS_DSC_COMMENT) {
if (sc.ch == ':') {
sc.Forward();
if (!sc.atLineEnd)
sc.SetState(SCE_PS_DSC_VALUE);
else
sc.SetState(SCE_C_DEFAULT);
} else if (sc.atLineEnd) {
sc.SetState(SCE_C_DEFAULT);
} else if (IsAWhitespaceChar(sc.ch) && sc.ch != '\r') {
sc.ChangeState(SCE_PS_COMMENT);
}
} else if (sc.state == SCE_PS_NUMBER) {
if (IsASelfDelimitingChar(sc.ch) || IsAWhitespaceChar(sc.ch)) {
if ((sc.chPrev == '+' || sc.chPrev == '-' ||
sc.chPrev == 'E' || sc.chPrev == 'e') && numRadix == 0)
sc.ChangeState(SCE_PS_NAME);
sc.SetState(SCE_C_DEFAULT);
} else if (sc.ch == '#') {
if (numHasPoint || numHasExponent || numHasSign || numRadix != 0) {
sc.ChangeState(SCE_PS_NAME);
} else {
char szradix[5];
sc.GetCurrent(szradix, 4);
numRadix = atoi(szradix);
if (numRadix < 2 || numRadix > 36)
sc.ChangeState(SCE_PS_NAME);
}
} else if ((sc.ch == 'E' || sc.ch == 'e') && numRadix == 0) {
if (numHasExponent) {
sc.ChangeState(SCE_PS_NAME);
} else {
numHasExponent = true;
if (sc.chNext == '+' || sc.chNext == '-')
sc.Forward();
}
} else if (sc.ch == '.') {
if (numHasPoint || numHasExponent || numRadix != 0) {
sc.ChangeState(SCE_PS_NAME);
} else {
numHasPoint = true;
}
} else if (numRadix == 0) {
if (!IsABaseNDigit(sc.ch, 10))
sc.ChangeState(SCE_PS_NAME);
} else {
if (!IsABaseNDigit(sc.ch, numRadix))
sc.ChangeState(SCE_PS_NAME);
}
} else if (sc.state == SCE_PS_NAME || sc.state == SCE_PS_KEYWORD) {
if (IsASelfDelimitingChar(sc.ch) || IsAWhitespaceChar(sc.ch)) {
char s[100];
sc.GetCurrent(s, sizeof(s));
if ((pslevel >= 1 && keywords1.InList(s)) ||
(pslevel >= 2 && keywords2.InList(s)) ||
(pslevel >= 3 && keywords3.InList(s)) ||
keywords4.InList(s) || keywords5.InList(s)) {
sc.ChangeState(SCE_PS_KEYWORD);
}
sc.SetState(SCE_C_DEFAULT);
}
} else if (sc.state == SCE_PS_LITERAL || sc.state == SCE_PS_IMMEVAL) {
if (IsASelfDelimitingChar(sc.ch) || IsAWhitespaceChar(sc.ch))
sc.SetState(SCE_C_DEFAULT);
} else if (sc.state == SCE_PS_PAREN_ARRAY || sc.state == SCE_PS_PAREN_DICT ||
sc.state == SCE_PS_PAREN_PROC) {
sc.SetState(SCE_C_DEFAULT);
} else if (sc.state == SCE_PS_TEXT) {
if (sc.ch == '(') {
nestTextCurrent++;
} else if (sc.ch == ')') {
if (--nestTextCurrent == 0)
sc.ForwardSetState(SCE_PS_DEFAULT);
} else if (sc.ch == '\\') {
sc.Forward();
}
} else if (sc.state == SCE_PS_HEXSTRING) {
if (sc.ch == '>') {
sc.ForwardSetState(SCE_PS_DEFAULT);
} else if (!IsABaseNDigit(sc.ch, 16) && !IsAWhitespaceChar(sc.ch)) {
sc.SetState(SCE_PS_HEXSTRING);
styler.ColourTo(sc.currentPos, SCE_PS_BADSTRINGCHAR);
}
} else if (sc.state == SCE_PS_BASE85STRING) {
if (sc.Match('~', '>')) {
sc.Forward();
sc.ForwardSetState(SCE_PS_DEFAULT);
} else if (!IsABase85Char(sc.ch) && !IsAWhitespaceChar(sc.ch)) {
sc.SetState(SCE_PS_BASE85STRING);
styler.ColourTo(sc.currentPos, SCE_PS_BADSTRINGCHAR);
}
}
// Determine if a new state should be entered.
if (sc.state == SCE_C_DEFAULT) {
unsigned int tokenpos = sc.currentPos;
if (sc.ch == '[' || sc.ch == ']') {
sc.SetState(SCE_PS_PAREN_ARRAY);
} else if (sc.ch == '{' || sc.ch == '}') {
sc.SetState(SCE_PS_PAREN_PROC);
} else if (sc.ch == '/') {
if (sc.chNext == '/') {
sc.SetState(SCE_PS_IMMEVAL);
sc.Forward();
} else {
sc.SetState(SCE_PS_LITERAL);
}
} else if (sc.ch == '<') {
if (sc.chNext == '<') {
sc.SetState(SCE_PS_PAREN_DICT);
sc.Forward();
} else if (sc.chNext == '~') {
sc.SetState(SCE_PS_BASE85STRING);
sc.Forward();
} else {
sc.SetState(SCE_PS_HEXSTRING);
}
} else if (sc.ch == '>' && sc.chNext == '>') {
sc.SetState(SCE_PS_PAREN_DICT);
sc.Forward();
} else if (sc.ch == '>' || sc.ch == ')') {
sc.SetState(SCE_C_DEFAULT);
styler.ColourTo(sc.currentPos, SCE_PS_BADSTRINGCHAR);
} else if (sc.ch == '(') {
sc.SetState(SCE_PS_TEXT);
nestTextCurrent = 1;
} else if (sc.ch == '%') {
if (sc.chNext == '%' && sc.atLineStart) {
sc.SetState(SCE_PS_DSC_COMMENT);
sc.Forward();
if (sc.chNext == '+') {
sc.Forward();
sc.ForwardSetState(SCE_PS_DSC_VALUE);
}
} else {
sc.SetState(SCE_PS_COMMENT);
}
} else if ((sc.ch == '+' || sc.ch == '-' || sc.ch == '.') &&
IsABaseNDigit(sc.chNext, 10)) {
sc.SetState(SCE_PS_NUMBER);
numRadix = 0;
numHasPoint = (sc.ch == '.');
numHasExponent = false;
numHasSign = (sc.ch == '+' || sc.ch == '-');
} else if ((sc.ch == '+' || sc.ch == '-') && sc.chNext == '.' &&
IsABaseNDigit(sc.GetRelative(2), 10)) {
sc.SetState(SCE_PS_NUMBER);
numRadix = 0;
numHasPoint = false;
numHasExponent = false;
numHasSign = true;
} else if (IsABaseNDigit(sc.ch, 10)) {
sc.SetState(SCE_PS_NUMBER);
numRadix = 0;
numHasPoint = false;
numHasExponent = false;
numHasSign = false;
} else if (!IsAWhitespaceChar(sc.ch)) {
sc.SetState(SCE_PS_NAME);
}
// Mark the start of tokens
if (tokenizing && sc.state != SCE_C_DEFAULT && sc.state != SCE_PS_COMMENT &&
sc.state != SCE_PS_DSC_COMMENT && sc.state != SCE_PS_DSC_VALUE) {
styler.Flush();
styler.StartAt(tokenpos, static_cast<char>(INDIC2_MASK));
styler.ColourTo(tokenpos, INDIC2_MASK);
styler.Flush();
styler.StartAt(tokenpos);
styler.StartSegment(tokenpos);
}
}
if (sc.atLineEnd)
styler.SetLineState(lineCurrent, nestTextCurrent);
}
sc.Complete();
}
