| 1 | | 1 | | // Scintilla source code edit control |
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| 3 | | ** Lexer for C++, C, Java, and Javascript. | | 3 | | ** Lexer for C++, C, Java, and JavaScript. |
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| 5 | | // Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org> | | 5 | | // Copyright 1998-2005 by Neil Hodgson <neilh@scintilla.org> |
| 6 | | 6 | | // The License.txt file describes the conditions under which this software may be distributed. |
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| 23 | | 23 | | #define KEYWORD_BOXHEADER 1 |
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| 24 | | 24 | | #define KEYWORD_FOLDCONTRACTED 2 |
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| 26 | | static bool IsOKBeforeRE(const int ch) { | | 26 | | static bool IsOKBeforeRE(int ch) { |
| 27 | | 27 | | return (ch == '(') || (ch == '=') || (ch == ','); |
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| 30 | | static inline bool IsAWordChar(const int ch) { | | 30 | | static inline bool IsAWordChar(int ch) { |
| 31 | | 31 | | return (ch < 0x80) && (isalnum(ch) || ch == '.' || ch == '_'); |
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| 34 | | static inline bool IsAWordStart(const int ch) { | | 34 | | static inline bool IsAWordStart(int ch) { |
| 35 | | return (ch < 0x80) && (isalnum(ch) || ch == '_'); | | 35 | | return (ch < 0x80) && (isalpha(ch) || ch == '_'); |
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| 38 | | static inline bool IsADoxygenChar(const int ch) { | | 38 | | static inline bool IsADoxygenChar(int ch) { |
| 39 | | return (islower(ch) || ch == '$' || ch == '@' || | | 39 | | return (ch < 0x80 && islower(ch)) || ch == '$' || ch == '@' || |
| 40 | | ch == '\\' || ch == '&' || ch == '<' || | | 40 | | ch == '\\' || ch == '&' || ch == '<' || |
| 41 | | ch == '>' || ch == '#' || ch == '{' || | | 41 | | ch == '>' || ch == '#' || ch == '{' || |
| 42 | | ch == '}' || ch == '[' || ch == ']'); | | 42 | | ch == '}' || ch == '[' || ch == ']'; |
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| 45 | | static inline bool IsStateComment(const int state) { | | 45 | | static bool IsSpaceEquiv(int state) { |
| 46 | | return ((state == SCE_C_COMMENT) || | | 46 | | return (state <= SCE_C_COMMENTDOC) || |
| 47 | | (state == SCE_C_COMMENTLINE) || | | |
| 48 | | (state == SCE_C_COMMENTDOC) || | | |
| 49 | | (state == SCE_C_COMMENTDOCKEYWORD) || | | 47 | | // including SCE_C_DEFAULT, SCE_C_COMMENT, SCE_C_COMMENTLINE |
| 50 | | (state == SCE_C_COMMENTDOCKEYWORDERROR)); | | 48 | | (state == SCE_C_COMMENTLINEDOC) || (state == SCE_C_COMMENTDOCKEYWORD) || |
| 51 | | } | | |
| 52 | | | | |
| 53 | | static inline bool IsStateString(const int state) { | | |
| 54 | | return ((state == SCE_C_STRING) || (state == SCE_C_VERBATIM)); | | 49 | | (state == SCE_C_COMMENTDOCKEYWORDERROR); |
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| 57 | | 52 | | static void ColouriseCppDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[], |
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| 65 | | 60 | | bool stylingWithinPreprocessor = styler.GetPropertyInt("styling.within.preprocessor") != 0; |
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| 67 | | // Do not leak onto next line | | |
| 68 | | if (initStyle == SCE_C_STRINGEOL) | | |
| 69 | | initStyle = SCE_C_DEFAULT; | | |
| 70 | | | | |
| 71 | | 62 | | int chPrevNonWhite = ' '; |
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| 72 | | 63 | | int visibleChars = 0; |
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| 73 | | 64 | | bool lastWordWasUUID = false; |
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| | | 65 | | int styleBeforeDCKeyword = SCE_C_DEFAULT; |
| | | 66 | | bool continuationLine = false; |
| | | 67 | | |
| | | 68 | | if (initStyle == SCE_C_PREPROCESSOR) { |
| | | 69 | | // Set continuationLine if last character of previous line is '\' |
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| | | 88 | | ; |
| | | 89 | | if (styler.StyleAt(back) == SCE_C_OPERATOR) { |
| | | 90 | | chPrevNonWhite = styler.SafeGetCharAt(back); |
| | | 91 | | } |
| | | 92 | | } |
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| 75 | | 94 | | StyleContext sc(startPos, length, initStyle, styler); |
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| 77 | | 96 | | for (; sc.More(); sc.Forward()) { |
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| | | 98 | | if (sc.atLineStart) { |
| 79 | | if (sc.atLineStart && (sc.state == SCE_C_STRING)) { | | 99 | | if (sc.state == SCE_C_STRING) { |
| 80 | | // Prevent SCE_C_STRINGEOL from leaking back to previous line | | 100 | | // Prevent SCE_C_STRINGEOL from leaking back to previous line which |
| | | 101 | | // ends with a line continuation by locking in the state upto this position. |
| 81 | | sc.SetState(SCE_C_STRING); | | 102 | | sc.SetState(SCE_C_STRING); |
| | | 103 | | } |
| | | 104 | | // Reset states to begining of colourise so no surprises |
| | | 105 | | // if different sets of lines lexed. |
| | | 106 | | visibleChars = 0; |
| | | 107 | | lastWordWasUUID = false; |
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| 84 | | 110 | | // Handle line continuation generically. |
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| 88 | | 114 | | if (sc.ch == '\r' && sc.chNext == '\n') { |
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| | | 117 | | continuationLine = true; |
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| 95 | | 122 | | // Determine if the current state should terminate. |
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| 96 | | if (sc.state == SCE_C_OPERATOR) { | | 123 | | switch (sc.state) { |
| 97 | | sc.SetState(SCE_C_DEFAULT); | | |
| 98 | | } else if (sc.state == SCE_C_NUMBER) { | | |
| 99 | | if (!IsAWordChar(sc.ch)) { | | |
| 100 | | sc.SetState(SCE_C_DEFAULT); | | 124 | | case SCE_C_OPERATOR: |
| 101 | | } | | |
| 102 | | } else if (sc.state == SCE_C_IDENTIFIER) { | | |
| 103 | | if (!IsAWordChar(sc.ch) || (sc.ch == '.')) { | | |
| 104 | | char s[100]; | | |
| 105 | | if (caseSensitive) { | | |
| 106 | | sc.GetCurrent(s, sizeof(s)); | | |
| 107 | | } else { | | |
| 108 | | sc.GetCurrentLowered(s, sizeof(s)); | | |
| 109 | | } | | |
| 110 | | if (keywords.InList(s)) { | | |
| 111 | | lastWordWasUUID = strcmp(s, "uuid") == 0; | | |
| 112 | | sc.ChangeState(SCE_C_WORD); | | |
| 113 | | } else if (keywords2.InList(s)) { | | |
| 114 | | sc.ChangeState(SCE_C_WORD2); | | |
| 115 | | } else if (keywords4.InList(s)) { | | |
| 116 | | sc.ChangeState(SCE_C_GLOBALCLASS); | | |
| 117 | | } | | |
| 118 | | 125 | | sc.SetState(SCE_C_DEFAULT); |
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| 119 | | } | | 126 | | break; |
| 120 | | } else if (sc.state == SCE_C_PREPROCESSOR) { | | 127 | | case SCE_C_NUMBER: |
| 121 | | if (stylingWithinPreprocessor) { | | 128 | | // We accept almost anything because of hex. and number suffixes |
| 122 | | if (IsASpace(sc.ch)) { | | 129 | | if (!IsAWordChar(sc.ch)) { |
| 123 | | 130 | | sc.SetState(SCE_C_DEFAULT); |
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| 125 | | } else { | | 132 | | break; |
| | | 133 | | case SCE_C_IDENTIFIER: |
| 126 | | if ((sc.ch == '\r') || (sc.ch == '\n') || (sc.Match('/', '*')) || (sc.Match('/', '/'))) { | | 134 | | if (!IsAWordChar(sc.ch) || (sc.ch == '.')) { |
| | | 135 | | char s[1000]; |
| | | 136 | | if (caseSensitive) { |
| | | 137 | | sc.GetCurrent(s, sizeof(s)); |
| | | 138 | | } else { |
| | | 139 | | sc.GetCurrentLowered(s, sizeof(s)); |
| | | 140 | | } |
| | | 141 | | if (keywords.InList(s)) { |
| | | 142 | | lastWordWasUUID = strcmp(s, "uuid") == 0; |
| | | 143 | | sc.ChangeState(SCE_C_WORD); |
| | | 144 | | } else if (keywords2.InList(s)) { |
| | | 145 | | sc.ChangeState(SCE_C_WORD2); |
| | | 146 | | } else if (keywords4.InList(s)) { |
| | | 147 | | sc.ChangeState(SCE_C_GLOBALCLASS); |
| | | 148 | | } |
| 127 | | 149 | | sc.SetState(SCE_C_DEFAULT); |
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| 129 | | } | | 151 | | break; |
| 130 | | } else if (sc.state == SCE_C_COMMENT) { | | |
| 131 | | if (sc.Match('*', '/')) { | | |
| 132 | | sc.Forward(); | | |
| 133 | | sc.ForwardSetState(SCE_C_DEFAULT); | | |
| 134 | | } | | |
| 135 | | } else if (sc.state == SCE_C_COMMENTDOC) { | | 152 | | case SCE_C_PREPROCESSOR: |
| 136 | | if (sc.Match('*', '/')) { | | |
| 137 | | sc.Forward(); | | |
| 138 | | sc.ForwardSetState(SCE_C_DEFAULT); | | |
| 139 | | } else if (sc.ch == '@' || sc.ch == '\\') { | | 153 | | if (sc.atLineStart && !continuationLine) { |
| 140 | | sc.SetState(SCE_C_COMMENTDOCKEYWORD); | | |
| 141 | | } | | |
| 142 | | } else if (sc.state == SCE_C_COMMENTLINE || sc.state == SCE_C_COMMENTLINEDOC) { | | |
| 143 | | if (sc.ch == '\r' || sc.ch == '\n') { | | |
| 144 | | sc.SetState(SCE_C_DEFAULT); | | 154 | | sc.SetState(SCE_C_DEFAULT); |
| 145 | | visibleChars = 0; | | |
| 146 | | } | | |
| 147 | | } else if (sc.state == SCE_C_COMMENTDOCKEYWORD) { | | 155 | | } else if (stylingWithinPreprocessor) { |
| 148 | | if (sc.Match('*', '/')) { | | 156 | | if (IsASpace(sc.ch)) { |
| 149 | | sc.ChangeState(SCE_C_COMMENTDOCKEYWORDERROR); | | |
| 150 | | sc.Forward(); | | |
| 151 | | sc.ForwardSetState(SCE_C_DEFAULT); | | 157 | | sc.SetState(SCE_C_DEFAULT); |
| 152 | | } else if (!IsADoxygenChar(sc.ch)) { | | 158 | | } |
| 153 | | char s[100]; | | |
| 154 | | if (caseSensitive) { | | |
| 155 | | sc.GetCurrent(s, sizeof(s)); | | |
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| 157 | | sc.GetCurrentLowered(s, sizeof(s)); | | |
| 158 | | } | | |
| 159 | | if (!isspace(sc.ch) || !keywords3.InList(s + 1)) { | | 160 | | if (sc.Match('/', '*') || sc.Match('/', '/')) { |
| 160 | | sc.ChangeState(SCE_C_COMMENTDOCKEYWORDERROR); | | 161 | | sc.SetState(SCE_C_DEFAULT); |
| | | 162 | | } |
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| 162 | | sc.SetState(SCE_C_COMMENTDOC); | | 164 | | break; |
| 163 | | } | | |
| 164 | | } else if (sc.state == SCE_C_STRING) { | | 165 | | case SCE_C_COMMENT: |
| 165 | | if (sc.ch == '\\') { | | |
| 166 | | if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') { | | 166 | | if (sc.Match('*', '/')) { |
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| | | 168 | | sc.ForwardSetState(SCE_C_DEFAULT); |
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| 169 | | } else if (sc.ch == '\"') { | | 170 | | break; |
| 170 | | sc.ForwardSetState(SCE_C_DEFAULT); | | |
| 171 | | } |