Christian Grasser ad79718fc8 Update to scintilla 5.5.2 & Lexilla 5.4.0
Release 5.5.2 ( https://www.scintilla.org/scintilla552.zip )

    Released 21 August 2024.
    Add SCI_SETCOPYSEPARATOR for separator between parts of a multiple selection when copied to the clipboard. Feature #1530.
    Add SCI_GETUNDOSEQUENCE to determine whether an undo sequence is active and its nesting depth.
    Add SCI_STYLESETSTRETCH to support condensed and expanded text styles.
    Add SCI_LINEINDENT and SCI_LINEDEDENT. Feature #1524.
    Fix bug on Cocoa where double-click stopped working when system had been running for a long time.
    On Cocoa implement more values of font weight and stretch.

Release 5.4.0 ( https://www.scintilla.org/lexilla540.zip )

    Released 21 August 2024.
    Inside Lexilla, LexerModule instances are now const. This will require changes to applications that modify Lexilla.cxx, which may be done to add custom lexers.
    Lexer added for TOML "toml".
    Bash: Handle backslash in heredoc delimiter. Issue #257.
    Progress: Fix lexing of nested comments. Pull request #258.
    Force lower-casing of case-insensitive keyword lists so keywords match in some lexers. Issue #259.

Close #15564
2024-08-23 02:59:58 +02:00

1049 lines
28 KiB
C++

// Scintilla source code edit control
/** @file LexHex.cxx
** Lexers for Motorola S-Record, Intel HEX and Tektronix extended HEX.
**
** Written by Markus Heidelberg
**/
// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
/*
* Motorola S-Record
* ===============================
*
* Each record (line) is built as follows:
*
* field digits states
*
* +----------+
* | start | 1 ('S') SCE_HEX_RECSTART
* +----------+
* | type | 1 SCE_HEX_RECTYPE, (SCE_HEX_RECTYPE_UNKNOWN)
* +----------+
* | count | 2 SCE_HEX_BYTECOUNT, SCE_HEX_BYTECOUNT_WRONG
* +----------+
* | address | 4/6/8 SCE_HEX_NOADDRESS, SCE_HEX_DATAADDRESS, SCE_HEX_RECCOUNT, SCE_HEX_STARTADDRESS, (SCE_HEX_ADDRESSFIELD_UNKNOWN)
* +----------+
* | data | 0..504/502/500 SCE_HEX_DATA_ODD, SCE_HEX_DATA_EVEN, SCE_HEX_DATA_EMPTY, (SCE_HEX_DATA_UNKNOWN)
* +----------+
* | checksum | 2 SCE_HEX_CHECKSUM, SCE_HEX_CHECKSUM_WRONG
* +----------+
*
*
* Intel HEX
* ===============================
*
* Each record (line) is built as follows:
*
* field digits states
*
* +----------+
* | start | 1 (':') SCE_HEX_RECSTART
* +----------+
* | count | 2 SCE_HEX_BYTECOUNT, SCE_HEX_BYTECOUNT_WRONG
* +----------+
* | address | 4 SCE_HEX_NOADDRESS, SCE_HEX_DATAADDRESS, (SCE_HEX_ADDRESSFIELD_UNKNOWN)
* +----------+
* | type | 2 SCE_HEX_RECTYPE, (SCE_HEX_RECTYPE_UNKNOWN)
* +----------+
* | data | 0..510 SCE_HEX_DATA_ODD, SCE_HEX_DATA_EVEN, SCE_HEX_DATA_EMPTY, SCE_HEX_EXTENDEDADDRESS, SCE_HEX_STARTADDRESS, (SCE_HEX_DATA_UNKNOWN)
* +----------+
* | checksum | 2 SCE_HEX_CHECKSUM, SCE_HEX_CHECKSUM_WRONG
* +----------+
*
*
* Folding:
*
* Data records (type 0x00), which follow an extended address record (type
* 0x02 or 0x04), can be folded. The extended address record is the fold
* point at fold level 0, the corresponding data records are set to level 1.
*
* Any record, which is not a data record, sets the fold level back to 0.
* Any line, which is not a record (blank lines and lines starting with a
* character other than ':'), leaves the fold level unchanged.
*
*
* Tektronix extended HEX
* ===============================
*
* Each record (line) is built as follows:
*
* field digits states
*
* +----------+
* | start | 1 ('%') SCE_HEX_RECSTART
* +----------+
* | length | 2 SCE_HEX_BYTECOUNT, SCE_HEX_BYTECOUNT_WRONG
* +----------+
* | type | 1 SCE_HEX_RECTYPE, (SCE_HEX_RECTYPE_UNKNOWN)
* +----------+
* | checksum | 2 SCE_HEX_CHECKSUM, SCE_HEX_CHECKSUM_WRONG
* +----------+
* | address | 9 SCE_HEX_DATAADDRESS, SCE_HEX_STARTADDRESS, (SCE_HEX_ADDRESSFIELD_UNKNOWN)
* +----------+
* | data | 0..241 SCE_HEX_DATA_ODD, SCE_HEX_DATA_EVEN
* +----------+
*
*
* General notes for all lexers
* ===============================
*
* - Depending on where the helper functions are invoked, some of them have to
* read beyond the current position. In case of malformed data (record too
* short), it has to be ensured that this either does not have bad influence
* or will be captured deliberately.
*
* - States in parentheses in the upper format descriptions indicate that they
* should not appear in a valid hex file.
*
* - State SCE_HEX_GARBAGE means garbage data after the intended end of the
* record, the line is too long then. This state is used in all lexers.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include <ctype.h>
#include <string>
#include <string_view>
#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 Lexilla;
// prototypes for general helper functions
static inline bool IsNewline(const int ch);
static int GetHexaNibble(char hd);
static int GetHexaChar(char hd1, char hd2);
static int GetHexaChar(Sci_PositionU pos, Accessor &styler);
static bool ForwardWithinLine(StyleContext &sc, Sci_Position nb = 1);
static bool PosInSameRecord(Sci_PositionU pos1, Sci_PositionU pos2, Accessor &styler);
static Sci_Position CountByteCount(Sci_PositionU startPos, Sci_Position uncountedDigits, Accessor &styler);
static int CalcChecksum(Sci_PositionU startPos, Sci_Position cnt, bool twosCompl, Accessor &styler);
// prototypes for file format specific helper functions
static Sci_PositionU GetSrecRecStartPosition(Sci_PositionU pos, Accessor &styler);
static int GetSrecByteCount(Sci_PositionU recStartPos, Accessor &styler);
static Sci_Position CountSrecByteCount(Sci_PositionU recStartPos, Accessor &styler);
static int GetSrecAddressFieldSize(Sci_PositionU recStartPos, Accessor &styler);
static int GetSrecAddressFieldType(Sci_PositionU recStartPos, Accessor &styler);
static int GetSrecDataFieldType(Sci_PositionU recStartPos, Accessor &styler);
static Sci_Position GetSrecRequiredDataFieldSize(Sci_PositionU recStartPos, Accessor &styler);
static int GetSrecChecksum(Sci_PositionU recStartPos, Accessor &styler);
static int CalcSrecChecksum(Sci_PositionU recStartPos, Accessor &styler);
static Sci_PositionU GetIHexRecStartPosition(Sci_PositionU pos, Accessor &styler);
static int GetIHexByteCount(Sci_PositionU recStartPos, Accessor &styler);
static Sci_Position CountIHexByteCount(Sci_PositionU recStartPos, Accessor &styler);
static int GetIHexAddressFieldType(Sci_PositionU recStartPos, Accessor &styler);
static int GetIHexDataFieldType(Sci_PositionU recStartPos, Accessor &styler);
static int GetIHexRequiredDataFieldSize(Sci_PositionU recStartPos, Accessor &styler);
static int GetIHexChecksum(Sci_PositionU recStartPos, Accessor &styler);
static int CalcIHexChecksum(Sci_PositionU recStartPos, Accessor &styler);
static int GetTEHexDigitCount(Sci_PositionU recStartPos, Accessor &styler);
static Sci_Position CountTEHexDigitCount(Sci_PositionU recStartPos, Accessor &styler);
static int GetTEHexAddressFieldType(Sci_PositionU recStartPos, Accessor &styler);
static int GetTEHexChecksum(Sci_PositionU recStartPos, Accessor &styler);
static int CalcTEHexChecksum(Sci_PositionU recStartPos, Accessor &styler);
static inline bool IsNewline(const int ch)
{
return (ch == '\n' || ch == '\r');
}
static int GetHexaNibble(char hd)
{
int hexValue = 0;
if (hd >= '0' && hd <= '9') {
hexValue += hd - '0';
} else if (hd >= 'A' && hd <= 'F') {
hexValue += hd - 'A' + 10;
} else if (hd >= 'a' && hd <= 'f') {
hexValue += hd - 'a' + 10;
} else {
return -1;
}
return hexValue;
}
static int GetHexaChar(char hd1, char hd2)
{
int hexValue = 0;
if (hd1 >= '0' && hd1 <= '9') {
hexValue += 16 * (hd1 - '0');
} else if (hd1 >= 'A' && hd1 <= 'F') {
hexValue += 16 * (hd1 - 'A' + 10);
} else if (hd1 >= 'a' && hd1 <= 'f') {
hexValue += 16 * (hd1 - 'a' + 10);
} else {
return -1;
}
if (hd2 >= '0' && hd2 <= '9') {
hexValue += hd2 - '0';
} else if (hd2 >= 'A' && hd2 <= 'F') {
hexValue += hd2 - 'A' + 10;
} else if (hd2 >= 'a' && hd2 <= 'f') {
hexValue += hd2 - 'a' + 10;
} else {
return -1;
}
return hexValue;
}
static int GetHexaChar(Sci_PositionU pos, Accessor &styler)
{
char highNibble, lowNibble;
highNibble = styler.SafeGetCharAt(pos);
lowNibble = styler.SafeGetCharAt(pos + 1);
return GetHexaChar(highNibble, lowNibble);
}
// Forward <nb> characters, but abort (and return false) if hitting the line
// end. Return true if forwarding within the line was possible.
// Avoids influence on highlighting of the subsequent line if the current line
// is malformed (too short).
static bool ForwardWithinLine(StyleContext &sc, Sci_Position nb)
{
for (Sci_Position i = 0; i < nb; i++) {
if (sc.atLineEnd) {
// line is too short
sc.SetState(SCE_HEX_DEFAULT);
sc.Forward();
return false;
} else {
sc.Forward();
}
}
return true;
}
// Checks whether the given positions are in the same record.
static bool PosInSameRecord(Sci_PositionU pos1, Sci_PositionU pos2, Accessor &styler)
{
return styler.GetLine(pos1) == styler.GetLine(pos2);
}
// Count the number of digit pairs from <startPos> till end of record, ignoring
// <uncountedDigits> digits.
// If the record is too short, a negative count may be returned.
static Sci_Position CountByteCount(Sci_PositionU startPos, Sci_Position uncountedDigits, Accessor &styler)
{
Sci_Position cnt;
Sci_PositionU pos;
pos = startPos;
while (!IsNewline(styler.SafeGetCharAt(pos, '\n'))) {
pos++;
}
// number of digits in this line minus number of digits of uncounted fields
cnt = static_cast<Sci_Position>(pos - startPos) - uncountedDigits;
// Prepare round up if odd (digit pair incomplete), this way the byte
// count is considered to be valid if the checksum is incomplete.
if (cnt >= 0) {
cnt++;
}
// digit pairs
cnt /= 2;
return cnt;
}
// Calculate the checksum of the record.
// <startPos> is the position of the first character of the starting digit
// pair, <cnt> is the number of digit pairs.
static int CalcChecksum(Sci_PositionU startPos, Sci_Position cnt, bool twosCompl, Accessor &styler)
{
int cs = 0;
for (Sci_PositionU pos = startPos; pos < startPos + cnt; pos += 2) {
int val = GetHexaChar(pos, styler);
if (val < 0) {
return val;
}
// overflow does not matter
cs += val;
}
if (twosCompl) {
// low byte of two's complement
return -cs & 0xFF;
} else {
// low byte of one's complement
return ~cs & 0xFF;
}
}
// Get the position of the record "start" field (first character in line) in
// the record around position <pos>.
static Sci_PositionU GetSrecRecStartPosition(Sci_PositionU pos, Accessor &styler)
{
while (styler.SafeGetCharAt(pos) != 'S') {
pos--;
}
return pos;
}
// Get the value of the "byte count" field, it counts the number of bytes in
// the subsequent fields ("address", "data" and "checksum" fields).
static int GetSrecByteCount(Sci_PositionU recStartPos, Accessor &styler)
{
int val;
val = GetHexaChar(recStartPos + 2, styler);
if (val < 0) {
val = 0;
}
return val;
}
// Count the number of digit pairs for the "address", "data" and "checksum"
// fields in this record. Has to be equal to the "byte count" field value.
// If the record is too short, a negative count may be returned.
static Sci_Position CountSrecByteCount(Sci_PositionU recStartPos, Accessor &styler)
{
return CountByteCount(recStartPos, 4, styler);
}
// Get the size of the "address" field.
static int GetSrecAddressFieldSize(Sci_PositionU recStartPos, Accessor &styler)
{
switch (styler.SafeGetCharAt(recStartPos + 1)) {
case '0':
case '1':
case '5':
case '9':
return 2; // 16 bit
case '2':
case '6':
case '8':
return 3; // 24 bit
case '3':
case '7':
return 4; // 32 bit
default:
return 0;
}
}
// Get the type of the "address" field content.
static int GetSrecAddressFieldType(Sci_PositionU recStartPos, Accessor &styler)
{
switch (styler.SafeGetCharAt(recStartPos + 1)) {
case '0':
return SCE_HEX_NOADDRESS;
case '1':
case '2':
case '3':
return SCE_HEX_DATAADDRESS;
case '5':
case '6':
return SCE_HEX_RECCOUNT;
case '7':
case '8':
case '9':
return SCE_HEX_STARTADDRESS;
default: // handle possible format extension in the future
return SCE_HEX_ADDRESSFIELD_UNKNOWN;
}
}
// Get the type of the "data" field content.
static int GetSrecDataFieldType(Sci_PositionU recStartPos, Accessor &styler)
{
switch (styler.SafeGetCharAt(recStartPos + 1)) {
case '0':
case '1':
case '2':
case '3':
return SCE_HEX_DATA_ODD;
case '5':
case '6':
case '7':
case '8':
case '9':
return SCE_HEX_DATA_EMPTY;
default: // handle possible format extension in the future
return SCE_HEX_DATA_UNKNOWN;
}
}
// Get the required size of the "data" field. Useless for block header and
// ordinary data records (type S0, S1, S2, S3), return the value calculated
// from the "byte count" and "address field" size in this case.
static Sci_Position GetSrecRequiredDataFieldSize(Sci_PositionU recStartPos, Accessor &styler)
{
switch (styler.SafeGetCharAt(recStartPos + 1)) {
case '5':
case '6':
case '7':
case '8':
case '9':
return 0;
default:
return GetSrecByteCount(recStartPos, styler)
- GetSrecAddressFieldSize(recStartPos, styler)
- 1; // -1 for checksum field
}
}
// Get the value of the "checksum" field.
static int GetSrecChecksum(Sci_PositionU recStartPos, Accessor &styler)
{
int byteCount;
byteCount = GetSrecByteCount(recStartPos, styler);
return GetHexaChar(recStartPos + 2 + byteCount * 2, styler);
}
// Calculate the checksum of the record.
static int CalcSrecChecksum(Sci_PositionU recStartPos, Accessor &styler)
{
Sci_Position byteCount;
byteCount = GetSrecByteCount(recStartPos, styler);
// sum over "byte count", "address" and "data" fields (6..510 digits)
return CalcChecksum(recStartPos + 2, byteCount * 2, false, styler);
}
// Get the position of the record "start" field (first character in line) in
// the record around position <pos>.
static Sci_PositionU GetIHexRecStartPosition(Sci_PositionU pos, Accessor &styler)
{
while (styler.SafeGetCharAt(pos) != ':') {
pos--;
}
return pos;
}
// Get the value of the "byte count" field, it counts the number of bytes in
// the "data" field.
static int GetIHexByteCount(Sci_PositionU recStartPos, Accessor &styler)
{
int val;
val = GetHexaChar(recStartPos + 1, styler);
if (val < 0) {
val = 0;
}
return val;
}
// Count the number of digit pairs for the "data" field in this record. Has to
// be equal to the "byte count" field value.
// If the record is too short, a negative count may be returned.
static Sci_Position CountIHexByteCount(Sci_PositionU recStartPos, Accessor &styler)
{
return CountByteCount(recStartPos, 11, styler);
}
// Get the type of the "address" field content.
static int GetIHexAddressFieldType(Sci_PositionU recStartPos, Accessor &styler)
{
if (!PosInSameRecord(recStartPos, recStartPos + 7, styler)) {
// malformed (record too short)
// type cannot be determined
return SCE_HEX_ADDRESSFIELD_UNKNOWN;
}
switch (GetHexaChar(recStartPos + 7, styler)) {
case 0x00:
return SCE_HEX_DATAADDRESS;
case 0x01:
case 0x02:
case 0x03:
case 0x04:
case 0x05:
return SCE_HEX_NOADDRESS;
default: // handle possible format extension in the future
return SCE_HEX_ADDRESSFIELD_UNKNOWN;
}
}
// Get the type of the "data" field content.
static int GetIHexDataFieldType(Sci_PositionU recStartPos, Accessor &styler)
{
switch (GetHexaChar(recStartPos + 7, styler)) {
case 0x00:
return SCE_HEX_DATA_ODD;
case 0x01:
return SCE_HEX_DATA_EMPTY;
case 0x02:
case 0x04:
return SCE_HEX_EXTENDEDADDRESS;
case 0x03:
case 0x05:
return SCE_HEX_STARTADDRESS;
default: // handle possible format extension in the future
return SCE_HEX_DATA_UNKNOWN;
}
}
// Get the required size of the "data" field. Useless for an ordinary data
// record (type 00), return the "byte count" in this case.
static int GetIHexRequiredDataFieldSize(Sci_PositionU recStartPos, Accessor &styler)
{
switch (GetHexaChar(recStartPos + 7, styler)) {
case 0x01:
return 0;
case 0x02:
case 0x04:
return 2;
case 0x03:
case 0x05:
return 4;
default:
return GetIHexByteCount(recStartPos, styler);
}
}
// Get the value of the "checksum" field.
static int GetIHexChecksum(Sci_PositionU recStartPos, Accessor &styler)
{
int byteCount;
byteCount = GetIHexByteCount(recStartPos, styler);
return GetHexaChar(recStartPos + 9 + byteCount * 2, styler);
}
// Calculate the checksum of the record.
static int CalcIHexChecksum(Sci_PositionU recStartPos, Accessor &styler)
{
int byteCount;
byteCount = GetIHexByteCount(recStartPos, styler);
// sum over "byte count", "address", "type" and "data" fields (8..518 digits)
return CalcChecksum(recStartPos + 1, 8 + byteCount * 2, true, styler);
}
// Get the value of the "record length" field, it counts the number of digits in
// the record excluding the percent.
static int GetTEHexDigitCount(Sci_PositionU recStartPos, Accessor &styler)
{
int val = GetHexaChar(recStartPos + 1, styler);
if (val < 0)
val = 0;
return val;
}
// Count the number of digits in this record. Has to
// be equal to the "record length" field value.
static Sci_Position CountTEHexDigitCount(Sci_PositionU recStartPos, Accessor &styler)
{
Sci_PositionU pos;
pos = recStartPos+1;
while (!IsNewline(styler.SafeGetCharAt(pos, '\n'))) {
pos++;
}
return static_cast<Sci_Position>(pos - (recStartPos+1));
}
// Get the type of the "address" field content.
static int GetTEHexAddressFieldType(Sci_PositionU recStartPos, Accessor &styler)
{
switch (styler.SafeGetCharAt(recStartPos + 3)) {
case '6':
return SCE_HEX_DATAADDRESS;
case '8':
return SCE_HEX_STARTADDRESS;
default: // handle possible format extension in the future
return SCE_HEX_ADDRESSFIELD_UNKNOWN;
}
}
// Get the value of the "checksum" field.
static int GetTEHexChecksum(Sci_PositionU recStartPos, Accessor &styler)
{
return GetHexaChar(recStartPos+4, styler);
}
// Calculate the checksum of the record (excluding the checksum field).
static int CalcTEHexChecksum(Sci_PositionU recStartPos, Accessor &styler)
{
Sci_PositionU pos = recStartPos +1;
Sci_PositionU length = GetTEHexDigitCount(recStartPos, styler);
int cs = GetHexaNibble(styler.SafeGetCharAt(pos++));//length
cs += GetHexaNibble(styler.SafeGetCharAt(pos++));//length
cs += GetHexaNibble(styler.SafeGetCharAt(pos++));//type
pos += 2;// jump over CS field
for (; pos <= recStartPos + length; ++pos) {
int val = GetHexaNibble(styler.SafeGetCharAt(pos));
if (val < 0) {
return val;
}
// overflow does not matter
cs += val;
}
// low byte
return cs & 0xFF;
}
static void ColouriseSrecDoc(Sci_PositionU startPos, Sci_Position length, int initStyle, WordList *[], Accessor &styler)
{
StyleContext sc(startPos, length, initStyle, styler);
while (sc.More()) {
Sci_PositionU recStartPos;
Sci_Position reqByteCount;
Sci_Position dataFieldSize;
int byteCount, addrFieldSize, addrFieldType, dataFieldType;
int cs1, cs2;
switch (sc.state) {
case SCE_HEX_DEFAULT:
if (sc.atLineStart && sc.Match('S')) {
sc.SetState(SCE_HEX_RECSTART);
}
ForwardWithinLine(sc);
break;
case SCE_HEX_RECSTART:
recStartPos = sc.currentPos - 1;
addrFieldType = GetSrecAddressFieldType(recStartPos, styler);
if (addrFieldType == SCE_HEX_ADDRESSFIELD_UNKNOWN) {
sc.SetState(SCE_HEX_RECTYPE_UNKNOWN);
} else {
sc.SetState(SCE_HEX_RECTYPE);
}
ForwardWithinLine(sc);
break;
case SCE_HEX_RECTYPE:
case SCE_HEX_RECTYPE_UNKNOWN:
recStartPos = sc.currentPos - 2;
byteCount = GetSrecByteCount(recStartPos, styler);
reqByteCount = GetSrecAddressFieldSize(recStartPos, styler)
+ GetSrecRequiredDataFieldSize(recStartPos, styler)
+ 1; // +1 for checksum field
if (byteCount == CountSrecByteCount(recStartPos, styler)
&& byteCount == reqByteCount) {
sc.SetState(SCE_HEX_BYTECOUNT);
} else {
sc.SetState(SCE_HEX_BYTECOUNT_WRONG);
}
ForwardWithinLine(sc, 2);
break;
case SCE_HEX_BYTECOUNT:
case SCE_HEX_BYTECOUNT_WRONG:
recStartPos = sc.currentPos - 4;
addrFieldSize = GetSrecAddressFieldSize(recStartPos, styler);
addrFieldType = GetSrecAddressFieldType(recStartPos, styler);
sc.SetState(addrFieldType);
ForwardWithinLine(sc, addrFieldSize * 2);
break;
case SCE_HEX_NOADDRESS:
case SCE_HEX_DATAADDRESS:
case SCE_HEX_RECCOUNT:
case SCE_HEX_STARTADDRESS:
case SCE_HEX_ADDRESSFIELD_UNKNOWN:
recStartPos = GetSrecRecStartPosition(sc.currentPos, styler);
dataFieldType = GetSrecDataFieldType(recStartPos, styler);
// Using the required size here if possible has the effect that the
// checksum is highlighted at a fixed position after this field for
// specific record types, independent on the "byte count" value.
dataFieldSize = GetSrecRequiredDataFieldSize(recStartPos, styler);
sc.SetState(dataFieldType);
if (dataFieldType == SCE_HEX_DATA_ODD) {
for (int i = 0; i < dataFieldSize * 2; i++) {
if ((i & 0x3) == 0) {
sc.SetState(SCE_HEX_DATA_ODD);
} else if ((i & 0x3) == 2) {
sc.SetState(SCE_HEX_DATA_EVEN);
}
if (!ForwardWithinLine(sc)) {
break;
}
}
} else {
ForwardWithinLine(sc, dataFieldSize * 2);
}
break;
case SCE_HEX_DATA_ODD:
case SCE_HEX_DATA_EVEN:
case SCE_HEX_DATA_EMPTY:
case SCE_HEX_DATA_UNKNOWN:
recStartPos = GetSrecRecStartPosition(sc.currentPos, styler);
cs1 = CalcSrecChecksum(recStartPos, styler);
cs2 = GetSrecChecksum(recStartPos, styler);
if (cs1 != cs2 || cs1 < 0 || cs2 < 0) {
sc.SetState(SCE_HEX_CHECKSUM_WRONG);
} else {
sc.SetState(SCE_HEX_CHECKSUM);
}
ForwardWithinLine(sc, 2);
break;
case SCE_HEX_CHECKSUM:
case SCE_HEX_CHECKSUM_WRONG:
case SCE_HEX_GARBAGE:
// record finished or line too long
sc.SetState(SCE_HEX_GARBAGE);
ForwardWithinLine(sc);
break;
default:
// prevent endless loop in faulty state
sc.SetState(SCE_HEX_DEFAULT);
break;
}
}
sc.Complete();
}
static void ColouriseIHexDoc(Sci_PositionU startPos, Sci_Position length, int initStyle, WordList *[], Accessor &styler)
{
StyleContext sc(startPos, length, initStyle, styler);
while (sc.More()) {
Sci_PositionU recStartPos;
int byteCount, addrFieldType, dataFieldSize, dataFieldType;
int cs1, cs2;
switch (sc.state) {
case SCE_HEX_DEFAULT:
if (sc.atLineStart && sc.Match(':')) {
sc.SetState(SCE_HEX_RECSTART);
}
ForwardWithinLine(sc);
break;
case SCE_HEX_RECSTART:
recStartPos = sc.currentPos - 1;
byteCount = GetIHexByteCount(recStartPos, styler);
dataFieldSize = GetIHexRequiredDataFieldSize(recStartPos, styler);
if (byteCount == CountIHexByteCount(recStartPos, styler)
&& byteCount == dataFieldSize) {
sc.SetState(SCE_HEX_BYTECOUNT);
} else {
sc.SetState(SCE_HEX_BYTECOUNT_WRONG);
}
ForwardWithinLine(sc, 2);
break;
case SCE_HEX_BYTECOUNT:
case SCE_HEX_BYTECOUNT_WRONG:
recStartPos = sc.currentPos - 3;
addrFieldType = GetIHexAddressFieldType(recStartPos, styler);
sc.SetState(addrFieldType);
ForwardWithinLine(sc, 4);
break;
case SCE_HEX_NOADDRESS:
case SCE_HEX_DATAADDRESS:
case SCE_HEX_ADDRESSFIELD_UNKNOWN:
recStartPos = sc.currentPos - 7;
addrFieldType = GetIHexAddressFieldType(recStartPos, styler);
if (addrFieldType == SCE_HEX_ADDRESSFIELD_UNKNOWN) {
sc.SetState(SCE_HEX_RECTYPE_UNKNOWN);
} else {
sc.SetState(SCE_HEX_RECTYPE);
}
ForwardWithinLine(sc, 2);
break;
case SCE_HEX_RECTYPE:
case SCE_HEX_RECTYPE_UNKNOWN:
recStartPos = sc.currentPos - 9;
dataFieldType = GetIHexDataFieldType(recStartPos, styler);
// Using the required size here if possible has the effect that the
// checksum is highlighted at a fixed position after this field for
// specific record types, independent on the "byte count" value.
dataFieldSize = GetIHexRequiredDataFieldSize(recStartPos, styler);
sc.SetState(dataFieldType);
if (dataFieldType == SCE_HEX_DATA_ODD) {
for (int i = 0; i < dataFieldSize * 2; i++) {
if ((i & 0x3) == 0) {
sc.SetState(SCE_HEX_DATA_ODD);
} else if ((i & 0x3) == 2) {
sc.SetState(SCE_HEX_DATA_EVEN);
}
if (!ForwardWithinLine(sc)) {
break;
}
}
} else {
ForwardWithinLine(sc, dataFieldSize * 2);
}
break;
case SCE_HEX_DATA_ODD:
case SCE_HEX_DATA_EVEN:
case SCE_HEX_DATA_EMPTY:
case SCE_HEX_EXTENDEDADDRESS:
case SCE_HEX_STARTADDRESS:
case SCE_HEX_DATA_UNKNOWN:
recStartPos = GetIHexRecStartPosition(sc.currentPos, styler);
cs1 = CalcIHexChecksum(recStartPos, styler);
cs2 = GetIHexChecksum(recStartPos, styler);
if (cs1 != cs2 || cs1 < 0 || cs2 < 0) {
sc.SetState(SCE_HEX_CHECKSUM_WRONG);
} else {
sc.SetState(SCE_HEX_CHECKSUM);
}
ForwardWithinLine(sc, 2);
break;
case SCE_HEX_CHECKSUM:
case SCE_HEX_CHECKSUM_WRONG:
case SCE_HEX_GARBAGE:
// record finished or line too long
sc.SetState(SCE_HEX_GARBAGE);
ForwardWithinLine(sc);
break;
default:
// prevent endless loop in faulty state
sc.SetState(SCE_HEX_DEFAULT);
break;
}
}
sc.Complete();
}
static void FoldIHexDoc(Sci_PositionU startPos, Sci_Position length, int, WordList *[], Accessor &styler)
{
Sci_PositionU endPos = startPos + length;
Sci_Position lineCurrent = styler.GetLine(startPos);
int levelCurrent = SC_FOLDLEVELBASE;
if (lineCurrent > 0)
levelCurrent = styler.LevelAt(lineCurrent - 1);
Sci_PositionU lineStartNext = styler.LineStart(lineCurrent + 1);
int levelNext = SC_FOLDLEVELBASE; // default if no specific line found
for (Sci_PositionU i = startPos; i < endPos; i++) {
bool atEOL = i == (lineStartNext - 1);
int style = styler.StyleAt(i);
// search for specific lines
if (style == SCE_HEX_EXTENDEDADDRESS) {
// extended addres record
levelNext = SC_FOLDLEVELBASE | SC_FOLDLEVELHEADERFLAG;
} else if (style == SCE_HEX_DATAADDRESS
|| (style == SCE_HEX_DEFAULT
&& i == (Sci_PositionU)styler.LineStart(lineCurrent))) {
// data record or no record start code at all
if (levelCurrent & SC_FOLDLEVELHEADERFLAG) {
levelNext = SC_FOLDLEVELBASE + 1;
} else {
// continue level 0 or 1, no fold point
levelNext = levelCurrent;
}
}
if (atEOL || (i == endPos - 1)) {
styler.SetLevel(lineCurrent, levelNext);
lineCurrent++;
lineStartNext = styler.LineStart(lineCurrent + 1);
levelCurrent = levelNext;
levelNext = SC_FOLDLEVELBASE;
}
}
}
static void ColouriseTEHexDoc(Sci_PositionU startPos, Sci_Position length, int initStyle, WordList *[], Accessor &styler)
{
StyleContext sc(startPos, length, initStyle, styler);
while (sc.More()) {
Sci_PositionU recStartPos;
int digitCount, addrFieldType;
int cs1, cs2;
switch (sc.state) {
case SCE_HEX_DEFAULT:
if (sc.atLineStart && sc.Match('%')) {
sc.SetState(SCE_HEX_RECSTART);
}
ForwardWithinLine(sc);
break;
case SCE_HEX_RECSTART:
recStartPos = sc.currentPos - 1;
if (GetTEHexDigitCount(recStartPos, styler) == CountTEHexDigitCount(recStartPos, styler)) {
sc.SetState(SCE_HEX_BYTECOUNT);
} else {
sc.SetState(SCE_HEX_BYTECOUNT_WRONG);
}
ForwardWithinLine(sc, 2);
break;
case SCE_HEX_BYTECOUNT:
case SCE_HEX_BYTECOUNT_WRONG:
recStartPos = sc.currentPos - 3;
addrFieldType = GetTEHexAddressFieldType(recStartPos, styler);
if (addrFieldType == SCE_HEX_ADDRESSFIELD_UNKNOWN) {
sc.SetState(SCE_HEX_RECTYPE_UNKNOWN);
} else {
sc.SetState(SCE_HEX_RECTYPE);
}
ForwardWithinLine(sc);
break;
case SCE_HEX_RECTYPE:
case SCE_HEX_RECTYPE_UNKNOWN:
recStartPos = sc.currentPos - 4;
cs1 = CalcTEHexChecksum(recStartPos, styler);
cs2 = GetTEHexChecksum(recStartPos, styler);
if (cs1 != cs2 || cs1 < 0 || cs2 < 0) {
sc.SetState(SCE_HEX_CHECKSUM_WRONG);
} else {
sc.SetState(SCE_HEX_CHECKSUM);
}
ForwardWithinLine(sc, 2);
break;
case SCE_HEX_CHECKSUM:
case SCE_HEX_CHECKSUM_WRONG:
recStartPos = sc.currentPos - 6;
addrFieldType = GetTEHexAddressFieldType(recStartPos, styler);
sc.SetState(addrFieldType);
ForwardWithinLine(sc, 9);
break;
case SCE_HEX_DATAADDRESS:
case SCE_HEX_STARTADDRESS:
case SCE_HEX_ADDRESSFIELD_UNKNOWN:
recStartPos = sc.currentPos - 15;
digitCount = GetTEHexDigitCount(recStartPos, styler) - 14;
sc.SetState(SCE_HEX_DATA_ODD);
for (int i = 0; i < digitCount; i++) {
if ((i & 0x3) == 0) {
sc.SetState(SCE_HEX_DATA_ODD);
} else if ((i & 0x3) == 2) {
sc.SetState(SCE_HEX_DATA_EVEN);
}
if (!ForwardWithinLine(sc)) {
break;
}
}
break;
case SCE_HEX_DATA_ODD:
case SCE_HEX_DATA_EVEN:
case SCE_HEX_GARBAGE:
// record finished or line too long
sc.SetState(SCE_HEX_GARBAGE);
ForwardWithinLine(sc);
break;
default:
// prevent endless loop in faulty state
sc.SetState(SCE_HEX_DEFAULT);
break;
}
}
sc.Complete();
}
extern const LexerModule lmSrec(SCLEX_SREC, ColouriseSrecDoc, "srec", 0, NULL);
extern const LexerModule lmIHex(SCLEX_IHEX, ColouriseIHexDoc, "ihex", FoldIHexDoc, NULL);
extern const LexerModule lmTEHex(SCLEX_TEHEX, ColouriseTEHexDoc, "tehex", 0, NULL);