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Initial commit: ReclassX structured binary editor

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sysadmin
2026-02-01 11:37:32 -07:00
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third_party/qscintilla/scintilla/lexers/LexSpice.cpp vendored Normal file
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// Scintilla source code edit control
/** @file LexSpice.cxx
** Lexer for Spice
**/
// Copyright 2006 by Fabien Proriol
// The License.txt file describes the conditions under which this software may be distributed.
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include <ctype.h>
#include <string>
#include "ILexer.h"
#include "Scintilla.h"
#include "SciLexer.h"
#include "WordList.h"
#include "LexAccessor.h"
#include "Accessor.h"
#include "StyleContext.h"
#include "CharacterSet.h"
#include "LexerModule.h"
using namespace Scintilla;
/*
* Interface
*/
static void ColouriseDocument(
Sci_PositionU startPos,
Sci_Position length,
int initStyle,
WordList *keywordlists[],
Accessor &styler);
static const char * const spiceWordListDesc[] = {
"Keywords", // SPICE command
"Keywords2", // SPICE functions
"Keywords3", // SPICE params
0
};
LexerModule lmSpice(SCLEX_SPICE, ColouriseDocument, "spice", NULL, spiceWordListDesc);
/*
* Implementation
*/
static void ColouriseComment(StyleContext& sc, bool& apostropheStartsAttribute);
static void ColouriseDelimiter(StyleContext& sc, bool& apostropheStartsAttribute);
static void ColouriseNumber(StyleContext& sc, bool& apostropheStartsAttribute);
static void ColouriseWhiteSpace(StyleContext& sc, bool& apostropheStartsAttribute);
static void ColouriseWord(StyleContext& sc, WordList& keywords, WordList& keywords2, WordList& keywords3, bool& apostropheStartsAttribute);
static inline bool IsDelimiterCharacter(int ch);
static inline bool IsSeparatorOrDelimiterCharacter(int ch);
static void ColouriseComment(StyleContext& sc, bool&) {
sc.SetState(SCE_SPICE_COMMENTLINE);
while (!sc.atLineEnd) {
sc.Forward();
}
}
static void ColouriseDelimiter(StyleContext& sc, bool& apostropheStartsAttribute) {
apostropheStartsAttribute = sc.Match (')');
sc.SetState(SCE_SPICE_DELIMITER);
sc.ForwardSetState(SCE_SPICE_DEFAULT);
}
static void ColouriseNumber(StyleContext& sc, bool& apostropheStartsAttribute) {
apostropheStartsAttribute = true;
std::string number;
sc.SetState(SCE_SPICE_NUMBER);
// Get all characters up to a delimiter or a separator, including points, but excluding
// double points (ranges).
while (!IsSeparatorOrDelimiterCharacter(sc.ch) || (sc.ch == '.' && sc.chNext != '.')) {
number += static_cast<char>(sc.ch);
sc.Forward();
}
// Special case: exponent with sign
if ((sc.chPrev == 'e' || sc.chPrev == 'E') &&
(sc.ch == '+' || sc.ch == '-')) {
number += static_cast<char>(sc.ch);
sc.Forward ();
while (!IsSeparatorOrDelimiterCharacter(sc.ch)) {
number += static_cast<char>(sc.ch);
sc.Forward();
}
}
sc.SetState(SCE_SPICE_DEFAULT);
}
static void ColouriseWhiteSpace(StyleContext& sc, bool& ) {
sc.SetState(SCE_SPICE_DEFAULT);
sc.ForwardSetState(SCE_SPICE_DEFAULT);
}
static void ColouriseWord(StyleContext& sc, WordList& keywords, WordList& keywords2, WordList& keywords3, bool& apostropheStartsAttribute) {
apostropheStartsAttribute = true;
sc.SetState(SCE_SPICE_IDENTIFIER);
std::string word;
while (!sc.atLineEnd && !IsSeparatorOrDelimiterCharacter(sc.ch)) {
word += static_cast<char>(tolower(sc.ch));
sc.Forward();
}
if (keywords.InList(word.c_str())) {
sc.ChangeState(SCE_SPICE_KEYWORD);
if (word != "all") {
apostropheStartsAttribute = false;
}
}
else if (keywords2.InList(word.c_str())) {
sc.ChangeState(SCE_SPICE_KEYWORD2);
if (word != "all") {
apostropheStartsAttribute = false;
}
}
else if (keywords3.InList(word.c_str())) {
sc.ChangeState(SCE_SPICE_KEYWORD3);
if (word != "all") {
apostropheStartsAttribute = false;
}
}
sc.SetState(SCE_SPICE_DEFAULT);
}
//
// ColouriseDocument
//
static void ColouriseDocument(
Sci_PositionU startPos,
Sci_Position length,
int initStyle,
WordList *keywordlists[],
Accessor &styler) {
WordList &keywords = *keywordlists[0];
WordList &keywords2 = *keywordlists[1];
WordList &keywords3 = *keywordlists[2];
StyleContext sc(startPos, length, initStyle, styler);
Sci_Position lineCurrent = styler.GetLine(startPos);
bool apostropheStartsAttribute = (styler.GetLineState(lineCurrent) & 1) != 0;
while (sc.More()) {
if (sc.atLineEnd) {
// Go to the next line
sc.Forward();
lineCurrent++;
// Remember the line state for future incremental lexing
styler.SetLineState(lineCurrent, apostropheStartsAttribute);
// Don't continue any styles on the next line
sc.SetState(SCE_SPICE_DEFAULT);
}
// Comments
if ((sc.Match('*') && sc.atLineStart) || sc.Match('*','~')) {
ColouriseComment(sc, apostropheStartsAttribute);
// Whitespace
} else if (IsASpace(sc.ch)) {
ColouriseWhiteSpace(sc, apostropheStartsAttribute);
// Delimiters
} else if (IsDelimiterCharacter(sc.ch)) {
ColouriseDelimiter(sc, apostropheStartsAttribute);
// Numbers
} else if (IsADigit(sc.ch) || sc.ch == '#') {
ColouriseNumber(sc, apostropheStartsAttribute);
// Keywords or identifiers
} else {
ColouriseWord(sc, keywords, keywords2, keywords3, apostropheStartsAttribute);
}
}
sc.Complete();
}
static inline bool IsDelimiterCharacter(int ch) {
switch (ch) {
case '&':
case '\'':
case '(':
case ')':
case '*':
case '+':
case ',':
case '-':
case '.':
case '/':
case ':':
case ';':
case '<':
case '=':
case '>':
case '|':
return true;
default:
return false;
}
}
static inline bool IsSeparatorOrDelimiterCharacter(int ch) {
return IsASpace(ch) || IsDelimiterCharacter(ch);
}