1// Scintilla source code edit control
2/** @file LexKix.cxx
3 ** Lexer for KIX-Scripts.
4 **/
5// Copyright 2004 by Manfred Becker <manfred@becker-trdf.de>
6// The License.txt file describes the conditions under which this software may be distributed.
7// Edited by Lee Wilmott (24-Jun-2014) added support for block comments
8
9#include <stdlib.h>
10#include <string.h>
11#include <stdio.h>
12#include <stdarg.h>
13#include <assert.h>
14#include <ctype.h>
15
16#include <string>
17#include <string_view>
18
19#include "ILexer.h"
20#include "Scintilla.h"
21#include "SciLexer.h"
22
23#include "WordList.h"
24#include "LexAccessor.h"
25#include "Accessor.h"
26#include "StyleContext.h"
27#include "CharacterSet.h"
28#include "LexerModule.h"
29
30using namespace Lexilla;
31
32// Extended to accept accented characters
33static inline bool IsAWordChar(int ch) {
34 return ch >= 0x80 || isalnum(ch) || ch == '_';
35}
36
37static inline bool IsOperator(const int ch) {
38 return (ch == '+' || ch == '-' || ch == '*' || ch == '/' || ch == '&' || ch == '|' || ch == '<' || ch == '>' || ch == '=');
39}
40
41static void ColouriseKixDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
42 WordList *keywordlists[], Accessor &styler) {
43
44 WordList &keywords = *keywordlists[0];
45 WordList &keywords2 = *keywordlists[1];
46 WordList &keywords3 = *keywordlists[2];
47// WordList &keywords4 = *keywordlists[3];
48
49 styler.StartAt(startPos);
50
51 StyleContext sc(startPos, length, initStyle, styler);
52
53 for (; sc.More(); sc.Forward()) {
54
55 if (sc.state == SCE_KIX_COMMENT) {
56 if (sc.atLineEnd) {
57 sc.SetState(SCE_KIX_DEFAULT);
58 }
59 } else if (sc.state == SCE_KIX_COMMENTSTREAM) {
60 if (sc.ch == '/' && sc.chPrev == '*') {
61 sc.ForwardSetState(SCE_KIX_DEFAULT);
62 }
63 } else if (sc.state == SCE_KIX_STRING1) {
64 // This is a doubles quotes string
65 if (sc.ch == '\"') {
66 sc.ForwardSetState(SCE_KIX_DEFAULT);
67 }
68 } else if (sc.state == SCE_KIX_STRING2) {
69 // This is a single quote string
70 if (sc.ch == '\'') {
71 sc.ForwardSetState(SCE_KIX_DEFAULT);
72 }
73 } else if (sc.state == SCE_KIX_NUMBER) {
74 if (!IsADigit(sc.ch)) {
75 sc.SetState(SCE_KIX_DEFAULT);
76 }
77 } else if (sc.state == SCE_KIX_VAR) {
78 if (!IsAWordChar(sc.ch)) {
79 sc.SetState(SCE_KIX_DEFAULT);
80 }
81 } else if (sc.state == SCE_KIX_MACRO) {
82 if (!IsAWordChar(sc.ch) && !IsADigit(sc.ch)) {
83 char s[100];
84 sc.GetCurrentLowered(s, sizeof(s));
85
86 if (!keywords3.InList(&s[1])) {
87 sc.ChangeState(SCE_KIX_DEFAULT);
88 }
89 sc.SetState(SCE_KIX_DEFAULT);
90 }
91 } else if (sc.state == SCE_KIX_OPERATOR) {
92 if (!IsOperator(sc.ch)) {
93 sc.SetState(SCE_KIX_DEFAULT);
94 }
95 } else if (sc.state == SCE_KIX_IDENTIFIER) {
96 if (!IsAWordChar(sc.ch)) {
97 char s[100];
98 sc.GetCurrentLowered(s, sizeof(s));
99
100 if (keywords.InList(s)) {
101 sc.ChangeState(SCE_KIX_KEYWORD);
102 } else if (keywords2.InList(s)) {
103 sc.ChangeState(SCE_KIX_FUNCTIONS);
104 }
105 sc.SetState(SCE_KIX_DEFAULT);
106 }
107 }
108
109 // Determine if a new state should be entered.
110 if (sc.state == SCE_KIX_DEFAULT) {
111 if (sc.ch == ';') {
112 sc.SetState(SCE_KIX_COMMENT);
113 } else if (sc.ch == '/' && sc.chNext == '*') {
114 sc.SetState(SCE_KIX_COMMENTSTREAM);
115 } else if (sc.ch == '\"') {
116 sc.SetState(SCE_KIX_STRING1);
117 } else if (sc.ch == '\'') {
118 sc.SetState(SCE_KIX_STRING2);
119 } else if (sc.ch == '$') {
120 sc.SetState(SCE_KIX_VAR);
121 } else if (sc.ch == '@') {
122 sc.SetState(SCE_KIX_MACRO);
123 } else if (IsADigit(sc.ch) || ((sc.ch == '.' || sc.ch == '&') && IsADigit(sc.chNext))) {
124 sc.SetState(SCE_KIX_NUMBER);
125 } else if (IsOperator(sc.ch)) {
126 sc.SetState(SCE_KIX_OPERATOR);
127 } else if (IsAWordChar(sc.ch)) {
128 sc.SetState(SCE_KIX_IDENTIFIER);
129 }
130 }
131 }
132 sc.Complete();
133}
134
135
136LexerModule lmKix(SCLEX_KIX, ColouriseKixDoc, "kix");
137
138