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-rw-r--r--src/LexCPP.cxx288
1 files changed, 152 insertions, 136 deletions
diff --git a/src/LexCPP.cxx b/src/LexCPP.cxx
index 7e83fcb62..95433e3db 100644
--- a/src/LexCPP.cxx
+++ b/src/LexCPP.cxx
@@ -1,8 +1,8 @@
// Scintilla source code edit control
/** @file LexCPP.cxx
- ** Lexer for C++, C, Java, and Javascript.
+ ** Lexer for C++, C, Java, and JavaScript.
**/
-// Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org>
+// Copyright 1998-2005 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <stdlib.h>
@@ -23,37 +23,25 @@
#define KEYWORD_BOXHEADER 1
#define KEYWORD_FOLDCONTRACTED 2
-static bool IsOKBeforeRE(const int ch) {
+static bool IsOKBeforeRE(int ch) {
return (ch == '(') || (ch == '=') || (ch == ',');
}
-static inline bool IsAWordChar(const int ch) {
+static inline bool IsAWordChar(int ch) {
return (ch < 0x80) && (isalnum(ch) || ch == '.' || ch == '_');
}
-static inline bool IsAWordStart(const int ch) {
- return (ch < 0x80) && (isalnum(ch) || ch == '_');
+static inline bool IsAWordStart(int ch) {
+ return (ch < 0x80) && (isalpha(ch) || ch == '_');
}
-static inline bool IsADoxygenChar(const int ch) {
+static inline bool IsADoxygenChar(int ch) {
return (islower(ch) || ch == '$' || ch == '@' ||
ch == '\\' || ch == '&' || ch == '<' ||
ch == '>' || ch == '#' || ch == '{' ||
ch == '}' || ch == '[' || ch == ']');
}
-static inline bool IsStateComment(const int state) {
- return ((state == SCE_C_COMMENT) ||
- (state == SCE_C_COMMENTLINE) ||
- (state == SCE_C_COMMENTDOC) ||
- (state == SCE_C_COMMENTDOCKEYWORD) ||
- (state == SCE_C_COMMENTDOCKEYWORDERROR));
-}
-
-static inline bool IsStateString(const int state) {
- return ((state == SCE_C_STRING) || (state == SCE_C_VERBATIM));
-}
-
static void ColouriseCppDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[],
Accessor &styler, bool caseSensitive) {
@@ -64,21 +52,26 @@ static void ColouriseCppDoc(unsigned int startPos, int length, int initStyle, Wo
bool stylingWithinPreprocessor = styler.GetPropertyInt("styling.within.preprocessor") != 0;
- // Do not leak onto next line
- if (initStyle == SCE_C_STRINGEOL)
- initStyle = SCE_C_DEFAULT;
-
int chPrevNonWhite = ' ';
int visibleChars = 0;
bool lastWordWasUUID = false;
+ int styleBeforeDCKeyword = SCE_C_DEFAULT;
StyleContext sc(startPos, length, initStyle, styler);
for (; sc.More(); sc.Forward()) {
- if (sc.atLineStart && (sc.state == SCE_C_STRING)) {
- // Prevent SCE_C_STRINGEOL from leaking back to previous line
- sc.SetState(SCE_C_STRING);
+ if (sc.atLineStart) {
+ if (sc.state == SCE_C_STRING) {
+ // Prevent SCE_C_STRINGEOL from leaking back to previous line which
+ // ends with a line continuation by locking in the state upto this position.
+ sc.SetState(SCE_C_STRING);
+ }
+ // Reset states to begining of colourise so no surprises
+ // if different sets of lines lexed.
+ chPrevNonWhite = ' ';
+ visibleChars = 0;
+ lastWordWasUUID = false;
}
// Handle line continuation generically.
@@ -93,122 +86,152 @@ static void ColouriseCppDoc(unsigned int startPos, int length, int initStyle, Wo
}
// Determine if the current state should terminate.
- 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 (sc.state == SCE_C_IDENTIFIER) {
- if (!IsAWordChar(sc.ch) || (sc.ch == '.')) {
- char s[100];
- if (caseSensitive) {
- sc.GetCurrent(s, sizeof(s));
- } else {
- sc.GetCurrentLowered(s, sizeof(s));
- }
- if (keywords.InList(s)) {
- lastWordWasUUID = strcmp(s, "uuid") == 0;
- sc.ChangeState(SCE_C_WORD);
- } else if (keywords2.InList(s)) {
- sc.ChangeState(SCE_C_WORD2);
- } else if (keywords4.InList(s)) {
- sc.ChangeState(SCE_C_GLOBALCLASS);
- }
+ switch (sc.state) {
+ case SCE_C_OPERATOR:
sc.SetState(SCE_C_DEFAULT);
- }
- } else if (sc.state == SCE_C_PREPROCESSOR) {
- if (stylingWithinPreprocessor) {
- if (IsASpace(sc.ch)) {
+ break;
+ case SCE_C_NUMBER:
+ // We accept almost anything because of hex. and number suffixes
+ if (!IsAWordChar(sc.ch)) {
sc.SetState(SCE_C_DEFAULT);
}
- } else {
- if ((sc.ch == '\r') || (sc.ch == '\n') || (sc.Match('/', '*')) || (sc.Match('/', '/'))) {
+ break;
+ case SCE_C_IDENTIFIER:
+ if (!IsAWordChar(sc.ch) || (sc.ch == '.')) {
+ char s[1000];
+ if (caseSensitive) {
+ sc.GetCurrent(s, sizeof(s));
+ } else {
+ sc.GetCurrentLowered(s, sizeof(s));
+ }
+ if (keywords.InList(s)) {
+ lastWordWasUUID = strcmp(s, "uuid") == 0;
+ sc.ChangeState(SCE_C_WORD);
+ } else if (keywords2.InList(s)) {
+ sc.ChangeState(SCE_C_WORD2);
+ } else if (keywords4.InList(s)) {
+ sc.ChangeState(SCE_C_GLOBALCLASS);
+ }
sc.SetState(SCE_C_DEFAULT);
}
- }
- } else if (sc.state == SCE_C_COMMENT) {
- if (sc.Match('*', '/')) {
- sc.Forward();
- sc.ForwardSetState(SCE_C_DEFAULT);
- }
- } else if (sc.state == SCE_C_COMMENTDOC) {
- if (sc.Match('*', '/')) {
- sc.Forward();
- sc.ForwardSetState(SCE_C_DEFAULT);
- } else if (sc.ch == '@' || sc.ch == '\\') { // JavaDoc and Doxygen support
- // Verify that we have the conditions to mark a comment-doc-keyword
- if ((IsASpace(sc.chPrev) || sc.chPrev == '*') && (!IsASpace(sc.chNext))) {
- sc.SetState(SCE_C_COMMENTDOCKEYWORD);
- }
- }
- } else if (sc.state == SCE_C_COMMENTLINE || sc.state == SCE_C_COMMENTLINEDOC) {
- if (sc.ch == '\r' || sc.ch == '\n') {
- sc.SetState(SCE_C_DEFAULT);
- visibleChars = 0;
- }
- } else if (sc.state == SCE_C_COMMENTDOCKEYWORD) {
- if (sc.Match('*', '/')) {
- sc.ChangeState(SCE_C_COMMENTDOCKEYWORDERROR);
- sc.Forward();
- sc.ForwardSetState(SCE_C_DEFAULT);
- } else if (!IsADoxygenChar(sc.ch)) {
- char s[100];
- if (caseSensitive) {
- sc.GetCurrent(s, sizeof(s));
+ break;
+ case SCE_C_PREPROCESSOR:
+ if (sc.atLineStart) {
+ sc.SetState(SCE_C_DEFAULT);
+ } else if (stylingWithinPreprocessor) {
+ if (IsASpace(sc.ch)) {
+ sc.SetState(SCE_C_DEFAULT);
+ }
} else {
- sc.GetCurrentLowered(s, sizeof(s));
- }
- if (!isspace(sc.ch) || !keywords3.InList(s + 1)) {
- sc.ChangeState(SCE_C_COMMENTDOCKEYWORDERROR);
+ if (sc.Match('/', '*') || sc.Match('/', '/')) {
+ sc.SetState(SCE_C_DEFAULT);
+ }
}
- sc.SetState(SCE_C_COMMENTDOC);
- }
- } else if (sc.state == SCE_C_STRING) {
- if (sc.ch == '\\') {
- if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
+ break;
+ case SCE_C_COMMENT:
+ if (sc.Match('*', '/')) {
sc.Forward();
+ sc.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 (sc.state == SCE_C_CHARACTER) {
- if (sc.atLineEnd) {
- sc.ChangeState(SCE_C_STRINGEOL);
- sc.ForwardSetState(SCE_C_DEFAULT);
- visibleChars = 0;
- } else if (sc.ch == '\\') {
- if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
+ break;
+ case SCE_C_COMMENTDOC:
+ if (sc.Match('*', '/')) {
sc.Forward();
+ sc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (sc.ch == '@' || sc.ch == '\\') { // JavaDoc and Doxygen support
+ // Verify that we have the conditions to mark a comment-doc-keyword
+ if ((IsASpace(sc.chPrev) || sc.chPrev == '*') && (!IsASpace(sc.chNext))) {
+ styleBeforeDCKeyword = SCE_C_COMMENTDOC;
+ sc.SetState(SCE_C_COMMENTDOCKEYWORD);
+ }
}
- } else if (sc.ch == '\'') {
- sc.ForwardSetState(SCE_C_DEFAULT);
- }
- } 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 (sc.chNext == '\\' || sc.chNext == '/') {
- sc.Forward();
+ break;
+ case SCE_C_COMMENTLINE:
+ if (sc.atLineStart) {
+ sc.SetState(SCE_C_DEFAULT);
}
- }
- } else if (sc.state == SCE_C_VERBATIM) {
- if (sc.ch == '\"') {
- if (sc.chNext == '\"') {
+ break;
+ case SCE_C_COMMENTLINEDOC:
+ if (sc.atLineStart) {
+ sc.SetState(SCE_C_DEFAULT);
+ } else if (sc.ch == '@' || sc.ch == '\\') { // JavaDoc and Doxygen support
+ // Verify that we have the conditions to mark a comment-doc-keyword
+ if ((IsASpace(sc.chPrev) || sc.chPrev == '/' || sc.chPrev == '!') && (!IsASpace(sc.chNext))) {
+ styleBeforeDCKeyword = SCE_C_COMMENTLINEDOC;
+ sc.SetState(SCE_C_COMMENTDOCKEYWORD);
+ }
+ }
+ break;
+ case SCE_C_COMMENTDOCKEYWORD:
+ if ((styleBeforeDCKeyword == SCE_C_COMMENTDOC) && sc.Match('*', '/')) {
+ sc.ChangeState(SCE_C_COMMENTDOCKEYWORDERROR);
sc.Forward();
- } else {
sc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (!IsADoxygenChar(sc.ch)) {
+ char s[100];
+ if (caseSensitive) {
+ sc.GetCurrent(s, sizeof(s));
+ } else {
+ sc.GetCurrentLowered(s, sizeof(s));
+ }
+ if (!isspace(sc.ch) || !keywords3.InList(s + 1)) {
+ sc.ChangeState(SCE_C_COMMENTDOCKEYWORDERROR);
+ }
+ sc.SetState(styleBeforeDCKeyword);
+ }
+ break;
+ case SCE_C_STRING:
+ if (sc.atLineEnd) {
+ sc.ChangeState(SCE_C_STRINGEOL);
+ } else if (sc.ch == '\\') {
+ if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
+ sc.Forward();
+ }
+ } else if (sc.ch == '\"') {
+ sc.ForwardSetState(SCE_C_DEFAULT);
+ }
+ break;
+ case SCE_C_CHARACTER:
+ if (sc.atLineEnd) {
+ sc.ChangeState(SCE_C_STRINGEOL);
+ } else if (sc.ch == '\\') {
+ if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
+ sc.Forward();
+ }
+ } else if (sc.ch == '\'') {
+ sc.ForwardSetState(SCE_C_DEFAULT);
+ }
+ break;
+ case SCE_C_REGEX:
+ if (sc.atLineStart) {
+ sc.SetState(SCE_C_DEFAULT);
+ } else if (sc.ch == '/') {
+ sc.ForwardSetState(SCE_C_DEFAULT);
+ } else if (sc.ch == '\\') {
+ // Gobble up the quoted character
+ if (sc.chNext == '\\' || sc.chNext == '/') {
+ sc.Forward();
+ }
+ }
+ break;
+ case SCE_C_STRINGEOL:
+ if (sc.atLineStart) {
+ sc.SetState(SCE_C_DEFAULT);
+ }
+ break;
+ case SCE_C_VERBATIM:
+ if (sc.ch == '\"') {
+ if (sc.chNext == '\"') {
+ sc.Forward();
+ } else {
+ sc.ForwardSetState(SCE_C_DEFAULT);
+ }
+ }
+ break;
+ case SCE_C_UUID:
+ if (sc.ch == '\r' || sc.ch == '\n' || sc.ch == ')') {
+ sc.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);
- }
}
// Determine if a new state should be entered.
@@ -244,7 +267,7 @@ static void ColouriseCppDoc(unsigned int startPos, int length, int initStyle, Wo
else
sc.SetState(SCE_C_COMMENTLINE);
} else if (sc.ch == '/' && IsOKBeforeRE(chPrevNonWhite)) {
- sc.SetState(SCE_C_REGEX);
+ sc.SetState(SCE_C_REGEX); // JavaScript's RegEx
} else if (sc.ch == '\"') {
sc.SetState(SCE_C_STRING);
} else if (sc.ch == '\'') {
@@ -256,7 +279,7 @@ static void ColouriseCppDoc(unsigned int startPos, int length, int initStyle, Wo
do {
sc.Forward();
} while ((sc.ch == ' ' || sc.ch == '\t') && sc.More());
- if (sc.ch == '\r' || sc.ch == '\n') {
+ if (sc.atLineEnd) {
sc.SetState(SCE_C_DEFAULT);
}
} else if (isoperator(static_cast<char>(sc.ch))) {
@@ -264,13 +287,6 @@ static void ColouriseCppDoc(unsigned int startPos, int length, int initStyle, Wo
}
}
- 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(sc.ch)) {
chPrevNonWhite = sc.ch;
visibleChars++;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-12 13:38:26 +0000