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-rw-r--r--scintilla/src/LexInno.cxx279
1 files changed, 279 insertions, 0 deletions
diff --git a/scintilla/src/LexInno.cxx b/scintilla/src/LexInno.cxx
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+++ b/scintilla/src/LexInno.cxx
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+// Scintilla source code edit control
+/** @file LexInno.cxx
+ ** Lexer for Inno Setup scripts.
+ **/
+// Written by Friedrich Vedder <fvedd@t-online.de>, using code from LexOthers.cxx.
+// 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 "CharClassify.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 void ColouriseInnoDoc(unsigned int startPos, int length, int, WordList *keywordLists[], Accessor &styler) {
+ int state = SCE_INNO_DEFAULT;
+ char chPrev;
+ char ch = 0;
+ char chNext = styler[startPos];
+ int lengthDoc = startPos + length;
+ char *buffer = new char[length];
+ int bufferCount = 0;
+ bool isBOL, isEOL, isWS, isBOLWS = 0;
+ bool isCode = false;
+ bool isCStyleComment = false;
+
+ WordList &sectionKeywords = *keywordLists[0];
+ WordList &standardKeywords = *keywordLists[1];
+ WordList &parameterKeywords = *keywordLists[2];
+ WordList &preprocessorKeywords = *keywordLists[3];
+ WordList &pascalKeywords = *keywordLists[4];
+ WordList &userKeywords = *keywordLists[5];
+
+ // Go through all provided text segment
+ // using the hand-written state machine shown below
+ styler.StartAt(startPos);
+ styler.StartSegment(startPos);
+ for (int i = startPos; i < lengthDoc; i++) {
+ chPrev = ch;
+ ch = chNext;
+ chNext = styler.SafeGetCharAt(i + 1);
+
+ if (styler.IsLeadByte(ch)) {
+ chNext = styler.SafeGetCharAt(i + 2);
+ i++;
+ continue;
+ }
+
+ isBOL = (chPrev == 0) || (chPrev == '\n') || (chPrev == '\r' && ch != '\n');
+ isBOLWS = (isBOL) ? 1 : (isBOLWS && (chPrev == ' ' || chPrev == '\t'));
+ isEOL = (ch == '\n' || ch == '\r');
+ isWS = (ch == ' ' || ch == '\t');
+
+ switch(state) {
+ case SCE_INNO_DEFAULT:
+ if (!isCode && ch == ';' && isBOLWS) {
+ // Start of a comment
+ state = SCE_INNO_COMMENT;
+ } else if (ch == '[' && isBOLWS) {
+ // Start of a section name
+ bufferCount = 0;
+ state = SCE_INNO_SECTION;
+ } else if (ch == '#' && isBOLWS) {
+ // Start of a preprocessor directive
+ state = SCE_INNO_PREPROC;
+ } else if (!isCode && ch == '{' && chNext != '{' && chPrev != '{') {
+ // Start of an inline expansion
+ state = SCE_INNO_INLINE_EXPANSION;
+ } else if (isCode && (ch == '{' || (ch == '(' && chNext == '*'))) {
+ // Start of a Pascal comment
+ state = SCE_INNO_COMMENT_PASCAL;
+ isCStyleComment = false;
+ } else if (isCode && ch == '/' && chNext == '/') {
+ // Apparently, C-style comments are legal, too
+ state = SCE_INNO_COMMENT_PASCAL;
+ isCStyleComment = true;
+ } else if (ch == '"') {
+ // Start of a double-quote string
+ state = SCE_INNO_STRING_DOUBLE;
+ } else if (ch == '\'') {
+ // Start of a single-quote string
+ state = SCE_INNO_STRING_SINGLE;
+ } else if (isascii(ch) && (isalpha(ch) || (ch == '_'))) {
+ // Start of an identifier
+ bufferCount = 0;
+ buffer[bufferCount++] = static_cast<char>(tolower(ch));
+ state = SCE_INNO_IDENTIFIER;
+ } else {
+ // Style it the default style
+ styler.ColourTo(i,SCE_INNO_DEFAULT);
+ }
+ break;
+
+ case SCE_INNO_COMMENT:
+ if (isEOL) {
+ state = SCE_INNO_DEFAULT;
+ styler.ColourTo(i,SCE_INNO_COMMENT);
+ }
+ break;
+
+ case SCE_INNO_IDENTIFIER:
+ if (isascii(ch) && (isalnum(ch) || (ch == '_'))) {
+ buffer[bufferCount++] = static_cast<char>(tolower(ch));
+ } else {
+ state = SCE_INNO_DEFAULT;
+ buffer[bufferCount] = '\0';
+
+ // Check if the buffer contains a keyword
+ if (!isCode && standardKeywords.InList(buffer)) {
+ styler.ColourTo(i-1,SCE_INNO_KEYWORD);
+ } else if (!isCode && parameterKeywords.InList(buffer)) {
+ styler.ColourTo(i-1,SCE_INNO_PARAMETER);
+ } else if (isCode && pascalKeywords.InList(buffer)) {
+ styler.ColourTo(i-1,SCE_INNO_KEYWORD_PASCAL);
+ } else if (!isCode && userKeywords.InList(buffer)) {
+ styler.ColourTo(i-1,SCE_INNO_KEYWORD_USER);
+ } else {
+ styler.ColourTo(i-1,SCE_INNO_DEFAULT);
+ }
+
+ // Push back the faulty character
+ chNext = styler[i--];
+ ch = chPrev;
+ }
+ break;
+
+ case SCE_INNO_SECTION:
+ if (ch == ']') {
+ state = SCE_INNO_DEFAULT;
+ buffer[bufferCount] = '\0';
+
+ // Check if the buffer contains a section name
+ if (sectionKeywords.InList(buffer)) {
+ styler.ColourTo(i,SCE_INNO_SECTION);
+ isCode = !CompareCaseInsensitive(buffer, "code");
+ } else {
+ styler.ColourTo(i,SCE_INNO_DEFAULT);
+ }
+ } else if (isascii(ch) && (isalnum(ch) || (ch == '_'))) {
+ buffer[bufferCount++] = static_cast<char>(tolower(ch));
+ } else {
+ state = SCE_INNO_DEFAULT;
+ styler.ColourTo(i,SCE_INNO_DEFAULT);
+ }
+ break;
+
+ case SCE_INNO_PREPROC:
+ if (isWS || isEOL) {
+ if (isascii(chPrev) && isalpha(chPrev)) {
+ state = SCE_INNO_DEFAULT;
+ buffer[bufferCount] = '\0';
+
+ // Check if the buffer contains a preprocessor directive
+ if (preprocessorKeywords.InList(buffer)) {
+ styler.ColourTo(i-1,SCE_INNO_PREPROC);
+ } else {
+ styler.ColourTo(i-1,SCE_INNO_DEFAULT);
+ }
+
+ // Push back the faulty character
+ chNext = styler[i--];
+ ch = chPrev;
+ }
+ } else if (isascii(ch) && isalpha(ch)) {
+ if (chPrev == '#' || chPrev == ' ' || chPrev == '\t')
+ bufferCount = 0;
+ buffer[bufferCount++] = static_cast<char>(tolower(ch));
+ }
+ break;
+
+ case SCE_INNO_STRING_DOUBLE:
+ if (ch == '"' || isEOL) {
+ state = SCE_INNO_DEFAULT;
+ styler.ColourTo(i,SCE_INNO_STRING_DOUBLE);
+ }
+ break;
+
+ case SCE_INNO_STRING_SINGLE:
+ if (ch == '\'' || isEOL) {
+ state = SCE_INNO_DEFAULT;
+ styler.ColourTo(i,SCE_INNO_STRING_SINGLE);
+ }
+ break;
+
+ case SCE_INNO_INLINE_EXPANSION:
+ if (ch == '}') {
+ state = SCE_INNO_DEFAULT;
+ styler.ColourTo(i,SCE_INNO_INLINE_EXPANSION);
+ } else if (isEOL) {
+ state = SCE_INNO_DEFAULT;
+ styler.ColourTo(i,SCE_INNO_DEFAULT);
+ }
+ break;
+
+ case SCE_INNO_COMMENT_PASCAL:
+ if (isCStyleComment) {
+ if (isEOL) {
+ state = SCE_INNO_DEFAULT;
+ styler.ColourTo(i,SCE_INNO_COMMENT_PASCAL);
+ }
+ } else {
+ if (ch == '}' || (ch == ')' && chPrev == '*')) {
+ state = SCE_INNO_DEFAULT;
+ styler.ColourTo(i,SCE_INNO_COMMENT_PASCAL);
+ } else if (isEOL) {
+ state = SCE_INNO_DEFAULT;
+ styler.ColourTo(i,SCE_INNO_DEFAULT);
+ }
+ }
+ break;
+
+ }
+ }
+ delete []buffer;
+}
+
+static const char * const innoWordListDesc[] = {
+ "Sections",
+ "Keywords",
+ "Parameters",
+ "Preprocessor directives",
+ "Pascal keywords",
+ "User defined keywords",
+ 0
+};
+
+static void FoldInnoDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler) {
+ unsigned int endPos = startPos + length;
+ char chNext = styler[startPos];
+
+ int lineCurrent = styler.GetLine(startPos);
+
+ bool sectionFlag = false;
+ int levelPrev = lineCurrent > 0 ? styler.LevelAt(lineCurrent - 1) : SC_FOLDLEVELBASE;
+ int level;
+
+ for (unsigned int i = startPos; i < endPos; i++) {
+ char ch = chNext;
+ chNext = styler[i+1];
+ bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
+ int style = styler.StyleAt(i);
+
+ if (style == SCE_INNO_SECTION)
+ sectionFlag = true;
+
+ if (atEOL || i == endPos - 1) {
+ if (sectionFlag) {
+ level = SC_FOLDLEVELBASE | SC_FOLDLEVELHEADERFLAG;
+ if (level == levelPrev)
+ styler.SetLevel(lineCurrent - 1, levelPrev & ~SC_FOLDLEVELHEADERFLAG);
+ } else {
+ level = levelPrev & SC_FOLDLEVELNUMBERMASK;
+ if (levelPrev & SC_FOLDLEVELHEADERFLAG)
+ level++;
+ }
+
+ styler.SetLevel(lineCurrent, level);
+
+ levelPrev = level;
+ lineCurrent++;
+ sectionFlag = false;
+ }
+ }
+}
+
+LexerModule lmInno(SCLEX_INNOSETUP, ColouriseInnoDoc, "inno", FoldInnoDoc, innoWordListDesc);
generated by cgit v1.1 at 2025-05-29 22:02:24 +0000