diff options
Diffstat (limited to 'src/LexCsound.cxx')
| -rw-r--r-- | src/LexCsound.cxx | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/src/LexCsound.cxx b/src/LexCsound.cxx deleted file mode 100644 index 3aa2eb897..000000000 --- a/src/LexCsound.cxx +++ /dev/null @@ -1,210 +0,0 @@ -// Scintilla source code edit control -/** @file LexCsound.cxx - ** Lexer for Csound (Orchestra & Score) - ** Written by Georg Ritter - <ritterfuture A T gmail D O T com> - **/ -// Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org> -// The License.txt file describes the conditions under which this software may be distributed. - -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <stdio.h> -#include <stdarg.h> -#include "Platform.h" - -#include "PropSet.h" -#include "Accessor.h" -#include "StyleContext.h" -#include "KeyWords.h" -#include "Scintilla.h" -#include "SciLexer.h" - -#ifdef SCI_NAMESPACE -using namespace Scintilla; -#endif - -static inline bool IsAWordChar(const int ch) { - return (ch < 0x80) && (isalnum(ch) || ch == '.' || - ch == '_' || ch == '?'); -} - -static inline bool IsAWordStart(const int ch) { - return (ch < 0x80) && (isalnum(ch) || ch == '_' || ch == '.' || - ch == '%' || ch == '@' || ch == '$' || ch == '?'); -} - -static inline bool IsCsoundOperator(char ch) { - if (isascii(ch) && isalnum(ch)) - return false; - // '.' left out as it is used to make up numbers - if (ch == '*' || ch == '/' || ch == '-' || ch == '+' || - ch == '(' || ch == ')' || ch == '=' || ch == '^' || - ch == '[' || ch == ']' || ch == '<' || ch == '&' || - ch == '>' || ch == ',' || ch == '|' || ch == '~' || - ch == '%' || ch == ':') - return true; - return false; -} - -static void ColouriseCsoundDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[], - Accessor &styler) { - - WordList &opcode = *keywordlists[0]; - WordList &headerStmt = *keywordlists[1]; - WordList &otherKeyword = *keywordlists[2]; - - // Do not leak onto next line - if (initStyle == SCE_CSOUND_STRINGEOL) - initStyle = SCE_CSOUND_DEFAULT; - - StyleContext sc(startPos, length, initStyle, styler); - - for (; sc.More(); sc.Forward()) - { - // 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. - if (sc.state == SCE_CSOUND_OPERATOR) { - if (!IsCsoundOperator(static_cast<char>(sc.ch))) { - sc.SetState(SCE_CSOUND_DEFAULT); - } - }else if (sc.state == SCE_CSOUND_NUMBER) { - if (!IsAWordChar(sc.ch)) { - sc.SetState(SCE_CSOUND_DEFAULT); - } - } else if (sc.state == SCE_CSOUND_IDENTIFIER) { - if (!IsAWordChar(sc.ch) ) { - char s[100]; - sc.GetCurrent(s, sizeof(s)); - - if (opcode.InList(s)) { - sc.ChangeState(SCE_CSOUND_OPCODE); - } else if (headerStmt.InList(s)) { - sc.ChangeState(SCE_CSOUND_HEADERSTMT); - } else if (otherKeyword.InList(s)) { - sc.ChangeState(SCE_CSOUND_USERKEYWORD); - } else if (s[0] == 'p') { - sc.ChangeState(SCE_CSOUND_PARAM); - } else if (s[0] == 'a') { - sc.ChangeState(SCE_CSOUND_ARATE_VAR); - } else if (s[0] == 'k') { - sc.ChangeState(SCE_CSOUND_KRATE_VAR); - } else if (s[0] == 'i') { // covers both i-rate variables and i-statements - sc.ChangeState(SCE_CSOUND_IRATE_VAR); - } else if (s[0] == 'g') { - sc.ChangeState(SCE_CSOUND_GLOBAL_VAR); - } - sc.SetState(SCE_CSOUND_DEFAULT); - } - } - else if (sc.state == SCE_CSOUND_COMMENT ) { - if (sc.atLineEnd) { - sc.SetState(SCE_CSOUND_DEFAULT); - } - } - else if ((sc.state == SCE_CSOUND_ARATE_VAR) || - (sc.state == SCE_CSOUND_KRATE_VAR) || - (sc.state == SCE_CSOUND_IRATE_VAR)) { - if (!IsAWordChar(sc.ch)) { - sc.SetState(SCE_CSOUND_DEFAULT); - } - } - - // Determine if a new state should be entered. - if (sc.state == SCE_CSOUND_DEFAULT) { - if (sc.ch == ';'){ - sc.SetState(SCE_CSOUND_COMMENT); - } else if (isdigit(sc.ch) || (sc.ch == '.' && isdigit(sc.chNext))) { - sc.SetState(SCE_CSOUND_NUMBER); - } else if (IsAWordStart(sc.ch)) { - sc.SetState(SCE_CSOUND_IDENTIFIER); - } else if (IsCsoundOperator(static_cast<char>(sc.ch))) { - sc.SetState(SCE_CSOUND_OPERATOR); - } else if (sc.ch == 'p') { - sc.SetState(SCE_CSOUND_PARAM); - } else if (sc.ch == 'a') { - sc.SetState(SCE_CSOUND_ARATE_VAR); - } else if (sc.ch == 'k') { - sc.SetState(SCE_CSOUND_KRATE_VAR); - } else if (sc.ch == 'i') { // covers both i-rate variables and i-statements - sc.SetState(SCE_CSOUND_IRATE_VAR); - } else if (sc.ch == 'g') { - sc.SetState(SCE_CSOUND_GLOBAL_VAR); - } - } - } - sc.Complete(); -} - -static void FoldCsoundInstruments(unsigned int startPos, int length, int /* initStyle */, WordList *[], - Accessor &styler) { - unsigned int lengthDoc = 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 stylePrev = 0; - int styleNext = styler.StyleAt(startPos); - for (unsigned int i = startPos; i < lengthDoc; i++) { - char ch = chNext; - chNext = styler.SafeGetCharAt(i + 1); - int style = styleNext; - styleNext = styler.StyleAt(i + 1); - bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n'); - if ((stylePrev != SCE_CSOUND_OPCODE) && (style == SCE_CSOUND_OPCODE)) { - char s[20]; - unsigned int j = 0; - while ((j < (sizeof(s) - 1)) && (iswordchar(styler[i + j]))) { - s[j] = styler[i + j]; - j++; - } - s[j] = '\0'; - - if (strcmp(s, "instr") == 0) - levelCurrent++; - if (strcmp(s, "endin") == 0) - levelCurrent--; - } - - if (atEOL) { - int lev = levelPrev; - if (visibleChars == 0) - lev |= SC_FOLDLEVELWHITEFLAG; - 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++; - stylePrev = style; - } - // Fill in the real level of the next line, keeping the current flags as they will be filled in later - int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK; - styler.SetLevel(lineCurrent, levelPrev | flagsNext); -} - - -static const char * const csoundWordListDesc[] = { - "Opcodes", - "Header Statements", - "User keywords", - 0 -}; - -LexerModule lmCsound(SCLEX_CSOUND, ColouriseCsoundDoc, "csound", FoldCsoundInstruments, csoundWordListDesc); |