diff options
Diffstat (limited to '3rdparty/bgfx/3rdparty/scintilla/lexers/LexGAP.cxx')
-rw-r--r-- | 3rdparty/bgfx/3rdparty/scintilla/lexers/LexGAP.cxx | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/3rdparty/bgfx/3rdparty/scintilla/lexers/LexGAP.cxx b/3rdparty/bgfx/3rdparty/scintilla/lexers/LexGAP.cxx deleted file mode 100644 index bc0bc2144b3..00000000000 --- a/3rdparty/bgfx/3rdparty/scintilla/lexers/LexGAP.cxx +++ /dev/null @@ -1,266 +0,0 @@ -// Scintilla source code edit control -/** @file LexGAP.cxx - ** Lexer for the GAP language. (The GAP System for Computational Discrete Algebra) - ** http://www.gap-system.org - **/ -// Copyright 2007 by Istvan Szollosi ( szteven <at> gmail <dot> com ) -// 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 "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 inline bool IsGAPOperator(char ch) { - if (IsASCII(ch) && isalnum(ch)) return false; - if (ch == '+' || ch == '-' || ch == '*' || ch == '/' || - ch == '^' || ch == ',' || ch == '!' || ch == '.' || - ch == '=' || ch == '<' || ch == '>' || ch == '(' || - ch == ')' || ch == ';' || ch == '[' || ch == ']' || - ch == '{' || ch == '}' || ch == ':' ) - return true; - return false; -} - -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] = static_cast<char>(styler[start + i]); - i++; - } - s[i] = '\0'; -} - -static void ColouriseGAPDoc(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]; - - // Do not leak onto next line - if (initStyle == SCE_GAP_STRINGEOL) initStyle = SCE_GAP_DEFAULT; - - StyleContext sc(startPos, length, initStyle, styler); - - for (; sc.More(); sc.Forward()) { - - // Prevent SCE_GAP_STRINGEOL from leaking back to previous line - if ( sc.atLineStart ) { - if (sc.state == SCE_GAP_STRING) sc.SetState(SCE_GAP_STRING); - if (sc.state == SCE_GAP_CHAR) sc.SetState(SCE_GAP_CHAR); - } - - // Handle line continuation generically - if (sc.ch == '\\' ) { - if (sc.chNext == '\n' || sc.chNext == '\r') { - sc.Forward(); - if (sc.ch == '\r' && sc.chNext == '\n') { - sc.Forward(); - } - continue; - } - } - - // Determine if the current state should terminate - switch (sc.state) { - case SCE_GAP_OPERATOR : - sc.SetState(SCE_GAP_DEFAULT); - break; - - case SCE_GAP_NUMBER : - if (!IsADigit(sc.ch)) { - if (sc.ch == '\\') { - if (!sc.atLineEnd) { - if (!IsADigit(sc.chNext)) { - sc.Forward(); - sc.ChangeState(SCE_GAP_IDENTIFIER); - } - } - } else if (isalpha(sc.ch) || sc.ch == '_') { - sc.ChangeState(SCE_GAP_IDENTIFIER); - } - else sc.SetState(SCE_GAP_DEFAULT); - } - break; - - case SCE_GAP_IDENTIFIER : - if (!(iswordstart(static_cast<char>(sc.ch)) || sc.ch == '$')) { - if (sc.ch == '\\') sc.Forward(); - else { - char s[1000]; - sc.GetCurrent(s, sizeof(s)); - if (keywords1.InList(s)) { - sc.ChangeState(SCE_GAP_KEYWORD); - } else if (keywords2.InList(s)) { - sc.ChangeState(SCE_GAP_KEYWORD2); - } else if (keywords3.InList(s)) { - sc.ChangeState(SCE_GAP_KEYWORD3); - } else if (keywords4.InList(s)) { - sc.ChangeState(SCE_GAP_KEYWORD4); - } - sc.SetState(SCE_GAP_DEFAULT); - } - } - break; - - case SCE_GAP_COMMENT : - if (sc.atLineEnd) { - sc.SetState(SCE_GAP_DEFAULT); - } - break; - - case SCE_GAP_STRING: - if (sc.atLineEnd) { - sc.ChangeState(SCE_GAP_STRINGEOL); - } else if (sc.ch == '\\') { - if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') { - sc.Forward(); - } - } else if (sc.ch == '\"') { - sc.ForwardSetState(SCE_GAP_DEFAULT); - } - break; - - case SCE_GAP_CHAR: - if (sc.atLineEnd) { - sc.ChangeState(SCE_GAP_STRINGEOL); - } else if (sc.ch == '\\') { - if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') { - sc.Forward(); - } - } else if (sc.ch == '\'') { - sc.ForwardSetState(SCE_GAP_DEFAULT); - } - break; - - case SCE_GAP_STRINGEOL: - if (sc.atLineStart) { - sc.SetState(SCE_GAP_DEFAULT); - } - break; - } - - // Determine if a new state should be entered - if (sc.state == SCE_GAP_DEFAULT) { - if (IsGAPOperator(static_cast<char>(sc.ch))) { - sc.SetState(SCE_GAP_OPERATOR); - } - else if (IsADigit(sc.ch)) { - sc.SetState(SCE_GAP_NUMBER); - } else if (isalpha(sc.ch) || sc.ch == '_' || sc.ch == '\\' || sc.ch == '$' || sc.ch == '~') { - sc.SetState(SCE_GAP_IDENTIFIER); - if (sc.ch == '\\') sc.Forward(); - } else if (sc.ch == '#') { - sc.SetState(SCE_GAP_COMMENT); - } else if (sc.ch == '\"') { - sc.SetState(SCE_GAP_STRING); - } else if (sc.ch == '\'') { - sc.SetState(SCE_GAP_CHAR); - } - } - - } - sc.Complete(); -} - -static int ClassifyFoldPointGAP(const char* s) { - int level = 0; - if (strcmp(s, "function") == 0 || - strcmp(s, "do") == 0 || - strcmp(s, "if") == 0 || - strcmp(s, "repeat") == 0 ) { - level = 1; - } else if (strcmp(s, "end") == 0 || - strcmp(s, "od") == 0 || - strcmp(s, "fi") == 0 || - strcmp(s, "until") == 0 ) { - level = -1; - } - return level; -} - -static void FoldGAPDoc( unsigned int startPos, int length, int initStyle, WordList** , Accessor &styler) { - unsigned int endPos = startPos + length; - int visibleChars = 0; - int lineCurrent = styler.GetLine(startPos); - int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK; - int levelCurrent = levelPrev; - char chNext = styler[startPos]; - int styleNext = styler.StyleAt(startPos); - int style = initStyle; - - int lastStart = 0; - - for (unsigned int i = startPos; i < endPos; i++) { - char ch = chNext; - chNext = styler.SafeGetCharAt(i + 1); - int stylePrev = style; - style = styleNext; - styleNext = styler.StyleAt(i + 1); - bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n'); - - if (stylePrev != SCE_GAP_KEYWORD && style == SCE_GAP_KEYWORD) { - // Store last word start point. - lastStart = i; - } - - if (stylePrev == SCE_GAP_KEYWORD) { - if(iswordchar(ch) && !iswordchar(chNext)) { - char s[100]; - GetRange(lastStart, i, styler, s, sizeof(s)); - levelCurrent += ClassifyFoldPointGAP(s); - } - } - - if (atEOL) { - int lev = levelPrev; - if ((levelCurrent > levelPrev) && (visibleChars > 0)) - lev |= SC_FOLDLEVELHEADERFLAG; - if (lev != styler.LevelAt(lineCurrent)) { - styler.SetLevel(lineCurrent, lev); - } - lineCurrent++; - levelPrev = levelCurrent; - visibleChars = 0; - } - - if (!isspacechar(ch)) - visibleChars++; - } - - int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK; - styler.SetLevel(lineCurrent, levelPrev | flagsNext); -} - -static const char * const GAPWordListDesc[] = { - "Keywords 1", - "Keywords 2", - "Keywords 3 (unused)", - "Keywords 4 (unused)", - 0 -}; - -LexerModule lmGAP( - SCLEX_GAP, - ColouriseGAPDoc, - "gap", - FoldGAPDoc, - GAPWordListDesc); |