diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/KeyWords.cxx | 1 | ||||
| -rw-r--r-- | src/LexSML.cxx | 222 |
2 files changed, 223 insertions, 0 deletions
diff --git a/src/KeyWords.cxx b/src/KeyWords.cxx index 5c8b1625f..f02511e5e 100644 --- a/src/KeyWords.cxx +++ b/src/KeyWords.cxx @@ -221,6 +221,7 @@ int Scintilla_LinkLexers() { LINK_LEXER(lmRuby); LINK_LEXER(lmScriptol); LINK_LEXER(lmSmalltalk); + LINK_LEXER(lmSML); LINK_LEXER(lmSorc); LINK_LEXER(lmSpecman); LINK_LEXER(lmSpice); diff --git a/src/LexSML.cxx b/src/LexSML.cxx new file mode 100644 index 000000000..dadfc0fb3 --- /dev/null +++ b/src/LexSML.cxx @@ -0,0 +1,222 @@ +// Scintilla source code edit control +/** @file LexSML.cxx + ** Lexer for SML. + **/ +// Copyright 2009 by James Moffatt and Yuzhou Xin +// 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" + +inline int issml(int c) {return isalnum(c) || c == '_';} +inline int issmlf(int c) {return isalpha(c) || c == '_';} +inline int issmld(int c) {return isdigit(c) || c == '_';} + + +#ifdef SCI_NAMESPACE +using namespace Scintilla; +#endif + +void ColouriseSMLDoc( + unsigned int startPos, int length, + int initStyle, + WordList *keywordlists[], + Accessor &styler) +{ + StyleContext sc(startPos, length, initStyle, styler); + int nesting = 0; + if (sc.state < SCE_SML_STRING) + sc.state = SCE_SML_DEFAULT; + if (sc.state >= SCE_SML_COMMENT) + nesting = (sc.state & 0x0f) - SCE_SML_COMMENT; + + int chBase = 0, chToken = 0, chLit = 0; + WordList& keywords = *keywordlists[0]; + WordList& keywords2 = *keywordlists[1]; + WordList& keywords3 = *keywordlists[2]; + const int useMagic = styler.GetPropertyInt("lexer.caml.magic", 0); + + while (sc.More()) { + int state2 = -1; + int chColor = sc.currentPos - 1; + bool advance = true; + + switch (sc.state & 0x0f) { + case SCE_SML_DEFAULT: + chToken = sc.currentPos; + if (issmlf(sc.ch)) + state2 = SCE_SML_IDENTIFIER; + else if (sc.Match('`') && issmlf(sc.chNext)) + state2 = SCE_SML_TAGNAME; + else if (sc.Match('#')&&isdigit(sc.chNext)) + state2 = SCE_SML_LINENUM; + else if (sc.Match('#','\"')){ + state2 = SCE_SML_CHAR,chLit = 0; + sc.Forward(); + + } + else if (isdigit(sc.ch)) { + state2 = SCE_SML_NUMBER, chBase = 10; + if (sc.Match('0') && strchr("xX", sc.chNext)) + chBase = 16, sc.Forward();} + else if (sc.Match('\"')&&sc.chPrev!='#') + state2 = SCE_SML_STRING; + else if (sc.Match('(', '*')){ + state2 = SCE_SML_COMMENT, + sc.ch = ' ', + sc.Forward();} + else if (strchr("!~" + "=<>@^+-*/" + "()[];,:.#", sc.ch)) + state2 = SCE_SML_OPERATOR; + break; + + case SCE_SML_IDENTIFIER: + if (!(issml(sc.ch) || sc.Match('\''))) { + const int n = sc.currentPos - chToken; + if (n < 24) { + char t[24]; + for (int i = -n; i < 0; i++) + t[n + i] = static_cast<char>(sc.GetRelative(i)); + t[n] = '\0'; + if ((n == 1 && sc.chPrev == '_') || keywords.InList(t)) + sc.ChangeState(SCE_SML_KEYWORD); + else if (keywords2.InList(t)) + sc.ChangeState(SCE_SML_KEYWORD2); + else if (keywords3.InList(t)) + sc.ChangeState(SCE_SML_KEYWORD3); + } + state2 = SCE_SML_DEFAULT, advance = false; + } + break; + + case SCE_SML_TAGNAME: + if (!(issml(sc.ch) || sc.Match('\''))) + state2 = SCE_SML_DEFAULT, advance = false; + break; + + case SCE_SML_LINENUM: + if (!isdigit(sc.ch)) + state2 = SCE_SML_DEFAULT, advance = false; + break; + + case SCE_SML_OPERATOR: { + const char* o = 0; + if (issml(sc.ch) || isspace(sc.ch) + || (o = strchr(")]};,\'\"`#", sc.ch),o) + || !strchr("!$%&*+-./:<=>?@^|~", sc.ch)) { + if (o && strchr(")]};,", sc.ch)) { + if ((sc.Match(')') && sc.chPrev == '(') + || (sc.Match(']') && sc.chPrev == '[')) + sc.ChangeState(SCE_SML_KEYWORD); + chColor++; + } else + advance = false; + state2 = SCE_SML_DEFAULT; + } + break; + } + + case SCE_SML_NUMBER: + if (issmld(sc.ch) || IsADigit(sc.ch, chBase)) + break; + if ((sc.Match('l') || sc.Match('L') || sc.Match('n')) + && (issmld(sc.chPrev) || IsADigit(sc.chPrev, chBase))) + break; + if (chBase == 10) { + if (sc.Match('.') && issmld(sc.chPrev)) + break; + if ((sc.Match('e') || sc.Match('E')) + && (issmld(sc.chPrev) || sc.chPrev == '.')) + break; + if ((sc.Match('+') || sc.Match('-')) + && (sc.chPrev == 'e' || sc.chPrev == 'E')) + break; + } + state2 = SCE_SML_DEFAULT, advance = false; + break; + + case SCE_SML_CHAR: + if (sc.Match('\\')) { + chLit = 1; + if (sc.chPrev == '\\') + sc.ch = ' '; + } else if ((sc.Match('\"') && sc.chPrev != '\\') || sc.atLineEnd) { + state2 = SCE_SML_DEFAULT; + chLit = 1; + if (sc.Match('\"')) + chColor++; + else + sc.ChangeState(SCE_SML_IDENTIFIER); + } else if (chLit < 1 && sc.currentPos - chToken >= 3) + sc.ChangeState(SCE_SML_IDENTIFIER), advance = false; + break; + + case SCE_SML_STRING: + if (sc.Match('\\') && sc.chPrev == '\\') + sc.ch = ' '; + else if (sc.Match('\"') && sc.chPrev != '\\') + state2 = SCE_SML_DEFAULT, chColor++; + break; + + case SCE_SML_COMMENT: + case SCE_SML_COMMENT1: + case SCE_SML_COMMENT2: + case SCE_SML_COMMENT3: + if (sc.Match('(', '*')) + state2 = sc.state + 1, chToken = sc.currentPos, + sc.ch = ' ', + sc.Forward(), nesting++; + else if (sc.Match(')') && sc.chPrev == '*') { + if (nesting) + state2 = (sc.state & 0x0f) - 1, chToken = 0, nesting--; + else + state2 = SCE_SML_DEFAULT; + chColor++; + } else if (useMagic && sc.currentPos - chToken == 4 + && sc.Match('c') && sc.chPrev == 'r' && sc.GetRelative(-2) == '@') + sc.state |= 0x10; + break; + } + + if (state2 >= 0) + styler.ColourTo(chColor, sc.state), sc.ChangeState(state2); + if (advance) + sc.Forward(); + } + + sc.Complete(); +} + +void FoldSMLDoc( + unsigned int startPos, int length, + int initStyle, + WordList *keywordlists[], + Accessor &styler) +{ + //supress "not used" warnings + startPos || length || initStyle || keywordlists[0] || styler.Length(); +} + +static const char * const SMLWordListDesc[] = { + "Keywords", + "Keywords2", + "Keywords3", + 0 +}; + +LexerModule lmSML(SCLEX_SML, ColouriseSMLDoc, "SML", FoldSMLDoc, SMLWordListDesc); + |