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-rw-r--r--src/LexCPP.cxx341
1 files changed, 107 insertions, 234 deletions
diff --git a/src/LexCPP.cxx b/src/LexCPP.cxx
index 8bed66c3d..8227b2db2 100644
--- a/src/LexCPP.cxx
+++ b/src/LexCPP.cxx
@@ -15,6 +15,7 @@
#include "PropSet.h"
#include "Accessor.h"
+#include "StyleContext.h"
#include "KeyWords.h"
#include "Scintilla.h"
#include "SciLexer.h"
@@ -23,23 +24,6 @@ static bool IsOKBeforeRE(int ch) {
return (ch == '(') || (ch == '=') || (ch == ',');
}
-static void getRange(unsigned int start,
- unsigned int end,
- Accessor &styler,
- char *s,
- unsigned int len) {
- unsigned int i = 0;
- while ((i < end - start + 1) && (i < len-1)) {
- s[i] = styler[start + i];
- i++;
- }
- s[i] = '\0';
-}
-
-inline bool IsASpace(int ch) {
- return (ch == ' ') || ((ch >= 0x09) && (ch <= 0x0d));
-}
-
inline bool IsAWordChar(int ch) {
return (ch < 0x80) && (isalnum(ch) || ch == '.' || ch == '_');
}
@@ -48,117 +32,6 @@ inline bool IsAWordStart(int ch) {
return (ch < 0x80) && (isalnum(ch) || ch == '_');
}
-inline bool IsADigit(int ch) {
- return (ch >= '0') && (ch <= '9');
-}
-
-// All languages handled so far can treat all characters >= 0x80 as one class
-// which just continues the current token or starts an identifier if in default.
-// DBCS treated specially as the second character can be < 0x80 and hence
-// syntactically significant. UTF-8 avoids this as all trail bytes are >= 0x80
-class ColouriseContext {
- Accessor &styler;
- int lengthDoc;
- int currentPos;
- ColouriseContext& operator=(const ColouriseContext&) {
- return *this;
- }
-public:
- bool atEOL;
- int state;
- int chPrev;
- int ch;
- int chNext;
-
- ColouriseContext(unsigned int startPos, int length,
- int initStyle, Accessor &styler_) :
- styler(styler_),
- lengthDoc(startPos + length),
- currentPos(startPos),
- atEOL(false),
- state(initStyle),
- chPrev(0),
- ch(0),
- chNext(0) {
- styler.StartAt(startPos);
- styler.StartSegment(startPos);
- int pos = currentPos;
- ch = static_cast<unsigned char>(styler.SafeGetCharAt(pos));
- if (styler.IsLeadByte(static_cast<char>(ch))) {
- pos++;
- ch = ch << 8;
- ch |= static_cast<unsigned char>(styler.SafeGetCharAt(pos));
- }
- chNext = static_cast<unsigned char>(styler.SafeGetCharAt(pos+1));
- if (styler.IsLeadByte(static_cast<char>(chNext))) {
- chNext = chNext << 8;
- chNext |= static_cast<unsigned char>(styler.SafeGetCharAt(pos+2));
- }
- atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
- }
- void Complete() {
- styler.ColourTo(currentPos - 1, state);
- }
- bool More() {
- return currentPos <= lengthDoc;
- }
- void Forward() {
- // A lot of this is repeated from the constructor - TODO: merge code
- chPrev = ch;
- currentPos++;
- if (ch >= 0x100)
- currentPos++;
- ch = chNext;
- chNext = static_cast<unsigned char>(styler.SafeGetCharAt(currentPos+1));
- if (styler.IsLeadByte(static_cast<char>(chNext))) {
- chNext = chNext << 8;
- chNext |= static_cast<unsigned char>(styler.SafeGetCharAt(currentPos + 2));
- }
- // Trigger on CR only (Mac style) or either on LF from CR+LF (Dos/Win) or on LF alone (Unix)
- // Avoid triggering two times on Dos/Win
- // End of line
- atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
- }
- void ChangeState(int state_) {
- state = state_;
- }
- void SetState(int state_) {
- styler.ColourTo(currentPos - 1, state);
- state = state_;
- }
- void ForwardSetState(int state_) {
- Forward();
- styler.ColourTo(currentPos - 1, state);
- state = state_;
- }
- void GetCurrent(char *s, int len) {
- getRange(styler.GetStartSegment(), currentPos - 1, styler, s, len);
- }
- int LengthCurrent() {
- return currentPos - styler.GetStartSegment();
- }
- bool Match(char ch0) {
- return ch == ch0;
- }
- bool Match(char ch0, char ch1) {
- return (ch == ch0) && (chNext == ch1);
- }
- bool Match(const char *s) {
- if (ch != *s)
- return false;
- s++;
- if (chNext != *s)
- return false;
- s++;
- for (int n=2; *s; n++) {
- if (*s != styler.SafeGetCharAt(currentPos+n))
- return false;
- s++;
- }
- return true;
- }
-};
-
static void ColouriseCppDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[],
Accessor &styler) {
@@ -175,175 +48,175 @@ static void ColouriseCppDoc(unsigned int startPos, int length, int initStyle, Wo
int visibleChars = 0;
bool lastWordWasUUID = false;
- ColouriseContext cc(startPos, length, initStyle, styler);
+ StyleContext sc(startPos, length, initStyle, styler);
- for (; cc.More(); cc.Forward()) {
- if (cc.ch == '\\') {
- if (cc.Match("\\\n")) {
- cc.Forward();
- cc.Forward();
+ for (; sc.More(); sc.Forward()) {
+ if (sc.ch == '\\') {
+ if (sc.Match("\\\n")) {
+ sc.Forward();
+ sc.Forward();
continue;
}
- if (cc.Match("\\\r\n")) {
- cc.Forward();
- cc.Forward();
- cc.Forward();
+ if (sc.Match("\\\r\n")) {
+ sc.Forward();
+ sc.Forward();
+ sc.Forward();
continue;
}
}
- if (cc.state == SCE_C_OPERATOR) {
- cc.SetState(SCE_C_DEFAULT);
- } else if (cc.state == SCE_C_NUMBER) {
- if (!IsAWordChar(cc.ch)) {
- cc.SetState(SCE_C_DEFAULT);
+ if (sc.state == SCE_C_OPERATOR) {
+ sc.SetState(SCE_C_DEFAULT);
+ } else if (sc.state == SCE_C_NUMBER) {
+ if (!IsAWordChar(sc.ch)) {
+ sc.SetState(SCE_C_DEFAULT);
}
- } else if (cc.state == SCE_C_IDENTIFIER) {
- if (!IsAWordChar(cc.ch) || (cc.ch == '.')) {
+ } else if (sc.state == SCE_C_IDENTIFIER) {
+ if (!IsAWordChar(sc.ch) || (sc.ch == '.')) {
char s[100];
- cc.GetCurrent(s, sizeof(s));
+ sc.GetCurrent(s, sizeof(s));
if (keywords.InList(s)) {
lastWordWasUUID = strcmp(s, "uuid") == 0;
- cc.ChangeState(SCE_C_WORD);
+ sc.ChangeState(SCE_C_WORD);
} else if (keywords2.InList(s)) {
- cc.ChangeState(SCE_C_WORD2);
+ sc.ChangeState(SCE_C_WORD2);
}
- cc.SetState(SCE_C_DEFAULT);
+ sc.SetState(SCE_C_DEFAULT);
}
- } if (cc.state == SCE_C_PREPROCESSOR) {
+ } if (sc.state == SCE_C_PREPROCESSOR) {
if (stylingWithinPreprocessor) {
- if (IsASpace(cc.ch)) {
- cc.SetState(SCE_C_DEFAULT);
+ if (IsASpace(sc.ch)) {
+ sc.SetState(SCE_C_DEFAULT);
}
} else {
- if (cc.atEOL) {
- cc.SetState(SCE_C_DEFAULT);
+ if (sc.atLineEnd) {
+ sc.SetState(SCE_C_DEFAULT);
}
}
- } else if (cc.state == SCE_C_COMMENT) {
- if (cc.Match('*', '/')) {
- cc.Forward();
- cc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (sc.state == SCE_C_COMMENT) {
+ if (sc.Match('*', '/')) {
+ sc.Forward();
+ sc.ForwardSetState(SCE_C_DEFAULT);
}
- } else if (cc.state == SCE_C_COMMENTDOC) {
- if (cc.Match('*', '/')) {
- cc.Forward();
- cc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (sc.state == SCE_C_COMMENTDOC) {
+ if (sc.Match('*', '/')) {
+ sc.Forward();
+ sc.ForwardSetState(SCE_C_DEFAULT);
}
- } else if (cc.state == SCE_C_COMMENTLINE || cc.state == SCE_C_COMMENTLINEDOC) {
- if (cc.atEOL) {
- cc.SetState(SCE_C_DEFAULT);
+ } else if (sc.state == SCE_C_COMMENTLINE || sc.state == SCE_C_COMMENTLINEDOC) {
+ if (sc.atLineEnd) {
+ sc.SetState(SCE_C_DEFAULT);
visibleChars = 0;
}
- } else if (cc.state == SCE_C_STRING) {
- if (cc.ch == '\\') {
- if (cc.chNext == '\"' || cc.chNext == '\'' || cc.chNext == '\\') {
- cc.Forward();
+ } else if (sc.state == SCE_C_STRING) {
+ if (sc.ch == '\\') {
+ if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
+ sc.Forward();
}
- } else if (cc.ch == '\"') {
- cc.ForwardSetState(SCE_C_DEFAULT);
- } else if (cc.atEOL) {
- cc.ChangeState(SCE_C_STRINGEOL);
- cc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (sc.ch == '\"') {
+ sc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (sc.atLineEnd) {
+ sc.ChangeState(SCE_C_STRINGEOL);
+ sc.ForwardSetState(SCE_C_DEFAULT);
visibleChars = 0;
}
- } else if (cc.state == SCE_C_CHARACTER) {
- if (cc.atEOL) {
- cc.ChangeState(SCE_C_STRINGEOL);
- cc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (sc.state == SCE_C_CHARACTER) {
+ if (sc.atLineEnd) {
+ sc.ChangeState(SCE_C_STRINGEOL);
+ sc.ForwardSetState(SCE_C_DEFAULT);
visibleChars = 0;
- } else if (cc.ch == '\\') {
- if (cc.chNext == '\"' || cc.chNext == '\'' || cc.chNext == '\\') {
- cc.Forward();
+ } else if (sc.ch == '\\') {
+ if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
+ sc.Forward();
}
- } else if (cc.ch == '\'') {
- cc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (sc.ch == '\'') {
+ sc.ForwardSetState(SCE_C_DEFAULT);
}
- } else if (cc.state == SCE_C_REGEX) {
- if (cc.ch == '\r' || cc.ch == '\n' || cc.ch == '/') {
- cc.ForwardSetState(SCE_C_DEFAULT);
- } else if (cc.ch == '\\') {
+ } else if (sc.state == SCE_C_REGEX) {
+ if (sc.ch == '\r' || sc.ch == '\n' || sc.ch == '/') {
+ sc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (sc.ch == '\\') {
// Gobble up the quoted character
- if (cc.chNext == '\\' || cc.chNext == '/') {
- cc.Forward();
+ if (sc.chNext == '\\' || sc.chNext == '/') {
+ sc.Forward();
}
}
- } else if (cc.state == SCE_C_VERBATIM) {
- if (cc.ch == '\"') {
- if (cc.chNext == '\"') {
- cc.Forward();
+ } else if (sc.state == SCE_C_VERBATIM) {
+ if (sc.ch == '\"') {
+ if (sc.chNext == '\"') {
+ sc.Forward();
} else {
- cc.ForwardSetState(SCE_C_DEFAULT);
+ sc.ForwardSetState(SCE_C_DEFAULT);
}
}
- } else if (cc.state == SCE_C_UUID) {
- if (cc.ch == '\r' || cc.ch == '\n' || cc.ch == ')') {
- cc.SetState(SCE_C_DEFAULT);
+ } else if (sc.state == SCE_C_UUID) {
+ if (sc.ch == '\r' || sc.ch == '\n' || sc.ch == ')') {
+ sc.SetState(SCE_C_DEFAULT);
}
}
- if (cc.state == SCE_C_DEFAULT) {
- if (cc.Match('@', '\"')) {
- cc.SetState(SCE_C_VERBATIM);
- cc.Forward();
- } else if (IsADigit(cc.ch) || (cc.ch == '.' && IsADigit(cc.chNext))) {
+ if (sc.state == SCE_C_DEFAULT) {
+ if (sc.Match('@', '\"')) {
+ sc.SetState(SCE_C_VERBATIM);
+ sc.Forward();
+ } else if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
if (lastWordWasUUID) {
- cc.SetState(SCE_C_UUID);
+ sc.SetState(SCE_C_UUID);
lastWordWasUUID = false;
} else {
- cc.SetState(SCE_C_NUMBER);
+ sc.SetState(SCE_C_NUMBER);
}
- } else if (IsAWordStart(cc.ch) || (cc.ch == '@')) {
+ } else if (IsAWordStart(sc.ch) || (sc.ch == '@')) {
if (lastWordWasUUID) {
- cc.SetState(SCE_C_UUID);
+ sc.SetState(SCE_C_UUID);
lastWordWasUUID = false;
} else {
- cc.SetState(SCE_C_IDENTIFIER);
+ sc.SetState(SCE_C_IDENTIFIER);
}
- } else if (cc.Match('/', '*')) {
- if (cc.Match("/**") || cc.Match("/*!")) // Support of Qt/Doxygen doc. style
- cc.SetState(SCE_C_COMMENTDOC);
+ } else if (sc.Match('/', '*')) {
+ if (sc.Match("/**") || sc.Match("/*!")) // Support of Qt/Doxygen doc. style
+ sc.SetState(SCE_C_COMMENTDOC);
else
- cc.SetState(SCE_C_COMMENT);
- cc.Forward(); // Eat the * so it isn't used for the end of the comment
- } else if (cc.Match('/', '/')) {
- if (cc.Match("///") || cc.Match("//!")) // Support of Qt/Doxygen doc. style
- cc.SetState(SCE_C_COMMENTLINEDOC);
+ sc.SetState(SCE_C_COMMENT);
+ sc.Forward(); // Eat the * so it isn't used for the end of the comment
+ } else if (sc.Match('/', '/')) {
+ if (sc.Match("///") || sc.Match("//!")) // Support of Qt/Doxygen doc. style
+ sc.SetState(SCE_C_COMMENTLINEDOC);
else
- cc.SetState(SCE_C_COMMENTLINE);
- } else if (cc.ch == '/' && IsOKBeforeRE(chPrevNonWhite)) {
- cc.SetState(SCE_C_REGEX);
- } else if (cc.ch == '\"') {
- cc.SetState(SCE_C_STRING);
- } else if (cc.ch == '\'') {
- cc.SetState(SCE_C_CHARACTER);
- } else if (cc.ch == '#' && visibleChars == 0) {
+ sc.SetState(SCE_C_COMMENTLINE);
+ } else if (sc.ch == '/' && IsOKBeforeRE(chPrevNonWhite)) {
+ sc.SetState(SCE_C_REGEX);
+ } else if (sc.ch == '\"') {
+ sc.SetState(SCE_C_STRING);
+ } else if (sc.ch == '\'') {
+ sc.SetState(SCE_C_CHARACTER);
+ } else if (sc.ch == '#' && visibleChars == 0) {
// Preprocessor commands are alone on their line
- cc.SetState(SCE_C_PREPROCESSOR);
+ sc.SetState(SCE_C_PREPROCESSOR);
// Skip whitespace between # and preprocessor word
do {
- cc.Forward();
- } while ((cc.ch == ' ') && (cc.ch == '\t') && cc.More());
- if (cc.atEOL) {
- cc.SetState(SCE_C_DEFAULT);
+ sc.Forward();
+ } while ((sc.ch == ' ') && (sc.ch == '\t') && sc.More());
+ if (sc.atLineEnd) {
+ sc.SetState(SCE_C_DEFAULT);
}
- } else if (isoperator(static_cast<char>(cc.ch))) {
- cc.SetState(SCE_C_OPERATOR);
+ } else if (isoperator(static_cast<char>(sc.ch))) {
+ sc.SetState(SCE_C_OPERATOR);
}
}
- if (cc.atEOL) {
+ if (sc.atLineEnd) {
// Reset states to begining of colourise so no surprises
// if different sets of lines lexed.
chPrevNonWhite = ' ';
visibleChars = 0;
lastWordWasUUID = false;
}
- if (!IsASpace(cc.ch)) {
- chPrevNonWhite = cc.ch;
+ if (!IsASpace(sc.ch)) {
+ chPrevNonWhite = sc.ch;
visibleChars++;
}
}
- cc.Complete();
+ sc.Complete();
}
static void FoldCppDoc(unsigned int startPos, int length, int initStyle, WordList *[],
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-12 23:07:41 +0000