135 lines
3.8 KiB
C++
135 lines
3.8 KiB
C++
// Scintilla source code edit control
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/** @file LexKix.cxx
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** Lexer for KIX-Scripts.
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**/
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// Copyright 2004 by Manfred Becker <manfred@becker-trdf.de>
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// The License.txt file describes the conditions under which this software may be distributed.
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// Edited by Lee Wilmott (24-Jun-2014) added support for block comments
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <ctype.h>
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#include "ILexer.h"
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#include "Scintilla.h"
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#include "SciLexer.h"
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#include "WordList.h"
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#include "LexAccessor.h"
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#include "Accessor.h"
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#include "StyleContext.h"
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#include "CharacterSet.h"
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#include "LexerModule.h"
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using namespace Scintilla;
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// Extended to accept accented characters
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static inline bool IsAWordChar(int ch) {
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return ch >= 0x80 || isalnum(ch) || ch == '_';
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}
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static inline bool IsOperator(const int ch) {
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return (ch == '+' || ch == '-' || ch == '*' || ch == '/' || ch == '&' || ch == '|' || ch == '<' || ch == '>' || ch == '=');
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}
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static void ColouriseKixDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
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WordList *keywordlists[], Accessor &styler) {
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WordList &keywords = *keywordlists[0];
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WordList &keywords2 = *keywordlists[1];
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WordList &keywords3 = *keywordlists[2];
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// WordList &keywords4 = *keywordlists[3];
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styler.StartAt(startPos);
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StyleContext sc(startPos, length, initStyle, styler);
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for (; sc.More(); sc.Forward()) {
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if (sc.state == SCE_KIX_COMMENT) {
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if (sc.atLineEnd) {
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sc.SetState(SCE_KIX_DEFAULT);
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}
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} else if (sc.state == SCE_KIX_COMMENTSTREAM) {
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if (sc.ch == '/' && sc.chPrev == '*') {
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sc.ForwardSetState(SCE_KIX_DEFAULT);
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}
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} else if (sc.state == SCE_KIX_STRING1) {
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// This is a doubles quotes string
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if (sc.ch == '\"') {
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sc.ForwardSetState(SCE_KIX_DEFAULT);
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}
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} else if (sc.state == SCE_KIX_STRING2) {
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// This is a single quote string
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if (sc.ch == '\'') {
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sc.ForwardSetState(SCE_KIX_DEFAULT);
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}
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} else if (sc.state == SCE_KIX_NUMBER) {
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if (!IsADigit(sc.ch)) {
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sc.SetState(SCE_KIX_DEFAULT);
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}
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} else if (sc.state == SCE_KIX_VAR) {
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if (!IsAWordChar(sc.ch)) {
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sc.SetState(SCE_KIX_DEFAULT);
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}
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} else if (sc.state == SCE_KIX_MACRO) {
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if (!IsAWordChar(sc.ch) && !IsADigit(sc.ch)) {
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char s[100];
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sc.GetCurrentLowered(s, sizeof(s));
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if (!keywords3.InList(&s[1])) {
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sc.ChangeState(SCE_KIX_DEFAULT);
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}
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sc.SetState(SCE_KIX_DEFAULT);
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}
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} else if (sc.state == SCE_KIX_OPERATOR) {
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if (!IsOperator(sc.ch)) {
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sc.SetState(SCE_KIX_DEFAULT);
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}
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} else if (sc.state == SCE_KIX_IDENTIFIER) {
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if (!IsAWordChar(sc.ch)) {
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char s[100];
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sc.GetCurrentLowered(s, sizeof(s));
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if (keywords.InList(s)) {
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sc.ChangeState(SCE_KIX_KEYWORD);
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} else if (keywords2.InList(s)) {
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sc.ChangeState(SCE_KIX_FUNCTIONS);
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}
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sc.SetState(SCE_KIX_DEFAULT);
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}
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}
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// Determine if a new state should be entered.
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if (sc.state == SCE_KIX_DEFAULT) {
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if (sc.ch == ';') {
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sc.SetState(SCE_KIX_COMMENT);
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} else if (sc.ch == '/' && sc.chNext == '*') {
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sc.SetState(SCE_KIX_COMMENTSTREAM);
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} else if (sc.ch == '\"') {
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sc.SetState(SCE_KIX_STRING1);
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} else if (sc.ch == '\'') {
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sc.SetState(SCE_KIX_STRING2);
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} else if (sc.ch == '$') {
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sc.SetState(SCE_KIX_VAR);
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} else if (sc.ch == '@') {
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sc.SetState(SCE_KIX_MACRO);
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} else if (IsADigit(sc.ch) || ((sc.ch == '.' || sc.ch == '&') && IsADigit(sc.chNext))) {
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sc.SetState(SCE_KIX_NUMBER);
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} else if (IsOperator(sc.ch)) {
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sc.SetState(SCE_KIX_OPERATOR);
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} else if (IsAWordChar(sc.ch)) {
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sc.SetState(SCE_KIX_IDENTIFIER);
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}
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}
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}
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sc.Complete();
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}
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LexerModule lmKix(SCLEX_KIX, ColouriseKixDoc, "kix");
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