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https://github.com/notepad-plus-plus/notepad-plus-plus.git
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a61b03ea88
Update with https://www.scintilla.org/scintilla521.zip https://www.scintilla.org/lexilla515.zip - fix setting to bring Scintilla::PositionCR from ScintillaStructures.h inline with Sci_Position.h Sci_PositionCR - add workaround to enable lexer for searchResult commented out SCI_SETILEXER call on searchResult to get one result which is correctly handled by the lexer, added comment about the current problem with property @MarkingsStruct which seems to disappear after call to SCI_SETILEXER or CreateLexer - corrected usage of ObjC lexer - removed unnecessary filter stuff - use own sections for scintilla and lexilla build targets and allow parallel builds - as libscilex is no longer existing, changed to libscintilla - adapt makefiles and cmake - use VS2019 - started simple changes for createlexer adaptations, nullpointercheck missing on return of lexer name from deprecated LexerNameFromID -> undefined behaviour - movement from id -> lexer name, mostly done via LexerNameFromID + switching off corresponding compiler warning - changed to SCI_SETILEXER from SCI_SETLEXER, SCI_SETLEXERLANGUAGE needs to be corrected, see Scintilla5Migration.html - just commented out: SCI_LOADLEXERLIBRARY Fix #10504, close #11419
145 lines
4.1 KiB
C
145 lines
4.1 KiB
C
// Lexilla lexer library use example
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/** @file CheckLexilla.c
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** Check that Lexilla.h works.
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**/
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// Copyright 2021 by Neil Hodgson <neilh@scintilla.org>
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// This file is in the public domain.
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// If the public domain is not possible in your location then it can also be used under the same
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// license as Scintilla. https://www.scintilla.org/License.txt
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/* Build and run
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Win32
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gcc CheckLexilla.c -I ../../include -o CheckLexilla
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CheckLexilla
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CheckLexilla ../SimpleLexer/SimpleLexer.dll
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Win32 Visual C++
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cl CheckLexilla.c -I ../../include -Fe: CheckLexilla
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CheckLexilla
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CheckLexilla ../SimpleLexer/SimpleLexer.dll
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macOS
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clang CheckLexilla.c -I ../../include -o CheckLexilla
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./CheckLexilla
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./CheckLexilla ../SimpleLexer/SimpleLexer.dylib
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Linux
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gcc CheckLexilla.c -I ../../include -ldl -o CheckLexilla
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./CheckLexilla
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./CheckLexilla ../SimpleLexer/SimpleLexer.so
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While principally meant for compilation as C to act as an example of using Lexilla
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from C it can also be built as C++.
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Warnings are intentionally shown for the deprecated typedef LexerNameFromIDFn when compiled with
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GCC or Clang or as C++.
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*/
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#include <stdio.h>
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#if _WIN32
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#include <windows.h>
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#else
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#include <dlfcn.h>
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#endif
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#ifdef __cplusplus
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#include "ILexer.h"
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#endif
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#include "Lexilla.h"
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#ifdef __cplusplus
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using namespace Lexilla;
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#endif
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#if _WIN32
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typedef FARPROC Function;
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typedef HMODULE Module;
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#else
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typedef void *Function;
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typedef void *Module;
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#endif
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static Function FindSymbol(Module m, const char *symbol) {
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#if _WIN32
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return GetProcAddress(m, symbol);
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#else
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return dlsym(m, symbol);
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#endif
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}
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int main(int argc, char *argv[]) {
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char szLexillaPath[] = "../../bin/" LEXILLA_LIB LEXILLA_EXTENSION;
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const char *libPath = szLexillaPath;
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if (argc > 1) {
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libPath = argv[1];
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}
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#if _WIN32
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Module lexillaLibrary = LoadLibraryA(libPath);
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#else
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Module lexillaLibrary = dlopen(libPath, RTLD_LAZY);
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#endif
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printf("Opened %s -> %p.\n", libPath, lexillaLibrary);
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if (lexillaLibrary) {
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GetLexerCountFn lexerCount = (GetLexerCountFn)FindSymbol(lexillaLibrary, LEXILLA_GETLEXERCOUNT);
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if (lexerCount) {
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int nLexers = lexerCount();
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printf("There are %d lexers.\n", nLexers);
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GetLexerNameFn lexerName = (GetLexerNameFn)FindSymbol(lexillaLibrary, LEXILLA_GETLEXERNAME);
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for (int i = 0; i < nLexers; i++) {
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char name[100] = "";
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lexerName(i, name, sizeof(name));
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printf("%s ", name);
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}
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printf("\n");
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GetLexerFactoryFn lexerFactory = (GetLexerFactoryFn)FindSymbol(lexillaLibrary, LEXILLA_GETLEXERFACTORY);
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LexerFactoryFunction lexerFactory4 = lexerFactory(4); // 4th entry is "as" which is an object lexer so works
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printf("Lexer factory 4 -> %p.\n", lexerFactory4);
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CreateLexerFn lexerCreate = (CreateLexerFn)FindSymbol(lexillaLibrary, LEXILLA_CREATELEXER);
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ILexer5 *lexerCpp = lexerCreate("cpp");
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printf("Created cpp lexer -> %p.\n", lexerCpp);
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LexerNameFromIDFn lexerNameFromID = (LexerNameFromIDFn)FindSymbol(lexillaLibrary, LEXILLA_LEXERNAMEFROMID);
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if (lexerNameFromID) {
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const char *lexerNameCpp = lexerNameFromID(3); // SCLEX_CPP=3
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if (lexerNameCpp) {
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printf("Lexer name 3 -> %s.\n", lexerNameCpp);
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} else {
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printf("Lexer name 3 not available.\n");
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}
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} else {
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printf("Lexer name from ID not supported.\n");
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}
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GetLibraryPropertyNamesFn libraryProperties = (GetLibraryPropertyNamesFn)FindSymbol(lexillaLibrary, LEXILLA_GETLIBRARYPROPERTYNAMES);
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if (libraryProperties) {
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const char *names = libraryProperties();
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printf("Property names '%s'.\n", names);
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} else {
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printf("Property names not supported.\n");
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}
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SetLibraryPropertyFn librarySetProperty = (SetLibraryPropertyFn)FindSymbol(lexillaLibrary, LEXILLA_SETLIBRARYPROPERTY);
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if (librarySetProperty) {
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librarySetProperty("key", "value");
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} else {
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printf("Set property not supported.\n");
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}
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GetNameSpaceFn libraryNameSpace = (GetLibraryPropertyNamesFn)FindSymbol(lexillaLibrary, LEXILLA_GETNAMESPACE);
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if (libraryNameSpace) {
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const char *nameSpace = libraryNameSpace();
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printf("Name space '%s'.\n", nameSpace);
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} else {
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printf("Name space not supported.\n");
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}
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}
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}
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}
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