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647 lines
23 KiB
647 lines
23 KiB
// Scintilla source code edit control
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/** @file LexBatch.cxx
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** Lexer for batch files.
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**/
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// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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#include <cstdlib>
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#include <cassert>
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#include <cstring>
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#include <cctype>
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#include <cstdio>
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#include <cstdarg>
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#include <string>
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#include <string_view>
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#include <initializer_list>
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#include "ILexer.h"
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#include "Scintilla.h"
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#include "SciLexer.h"
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#include "InList.h"
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#include "WordList.h"
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#include "LexAccessor.h"
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#include "Accessor.h"
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#include "StyleContext.h"
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#include "CharacterSet.h"
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#include "LexerModule.h"
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using namespace Lexilla;
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namespace {
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constexpr bool Is0To9(char ch) noexcept {
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return (ch >= '0') && (ch <= '9');
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}
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bool IsAlphabetic(int ch) noexcept {
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return IsASCII(ch) && isalpha(ch);
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}
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inline bool AtEOL(Accessor &styler, Sci_PositionU i) {
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return (styler[i] == '\n') ||
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((styler[i] == '\r') && (styler.SafeGetCharAt(i + 1) != '\n'));
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}
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// Tests for BATCH Operators
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constexpr bool IsBOperator(char ch) noexcept {
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return (ch == '=') || (ch == '+') || (ch == '>') || (ch == '<') ||
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(ch == '|') || (ch == '?') || (ch == '*')||
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(ch == '&') || (ch == '(') || (ch == ')');
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}
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// Tests for BATCH Separators
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constexpr bool IsBSeparator(char ch) noexcept {
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return (ch == '\\') || (ch == '.') || (ch == ';') ||
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(ch == '\"') || (ch == '\'') || (ch == '/');
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}
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// Tests for escape character
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constexpr bool IsEscaped(const char* wordStr, Sci_PositionU pos) noexcept {
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bool isQoted=false;
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while (pos>0){
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pos--;
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if (wordStr[pos]=='^')
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isQoted=!isQoted;
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else
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break;
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}
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return isQoted;
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}
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constexpr bool IsQuotedBy(std::string_view svBuffer, char quote) noexcept {
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bool CurrentStatus = false;
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size_t pQuote = svBuffer.find(quote);
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while (pQuote != std::string_view::npos) {
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if (!IsEscaped(svBuffer.data(), pQuote)) {
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CurrentStatus = !CurrentStatus;
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}
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pQuote = svBuffer.find(quote, pQuote + 1);
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}
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return CurrentStatus;
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}
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// Tests for quote character
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constexpr bool textQuoted(const char *lineBuffer, Sci_PositionU endPos) noexcept {
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const std::string_view svBuffer(lineBuffer, endPos);
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return IsQuotedBy(svBuffer, '\"') || IsQuotedBy(svBuffer, '\'');
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}
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void ColouriseBatchDoc(
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Sci_PositionU startPos,
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Sci_Position length,
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int /*initStyle*/,
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WordList *keywordlists[],
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Accessor &styler) {
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// Always backtracks to the start of a line that is not a continuation
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// of the previous line
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if (startPos > 0) {
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Sci_Position ln = styler.GetLine(startPos); // Current line number
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while (startPos > 0) {
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ln--;
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if ((styler.SafeGetCharAt(startPos-3) == '^' && styler.SafeGetCharAt(startPos-2) == '\r' && styler.SafeGetCharAt(startPos-1) == '\n')
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|| styler.SafeGetCharAt(startPos-2) == '^') { // handle '^' line continuation
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// When the line continuation is found,
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// set the Start Position to the Start of the previous line
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length+=startPos-styler.LineStart(ln);
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startPos=styler.LineStart(ln);
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}
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else
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break;
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}
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}
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char lineBuffer[1024] {};
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styler.StartAt(startPos);
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styler.StartSegment(startPos);
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Sci_PositionU linePos = 0;
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Sci_PositionU startLine = startPos;
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bool continueProcessing = true; // Used to toggle Regular Keyword Checking
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bool isNotAssigned=false; // Used to flag Assignment in Set operation
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for (Sci_PositionU i = startPos; i < startPos + length; i++) {
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lineBuffer[linePos++] = styler[i];
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if (AtEOL(styler, i) || (linePos >= sizeof(lineBuffer) - 1) || (i==startPos + length-1)) {
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// End of line (or of line buffer) (or End of Last Line) met, colourise it
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lineBuffer[linePos] = '\0';
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const Sci_PositionU lengthLine=linePos;
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const Sci_PositionU endPos=i;
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const WordList &keywords = *keywordlists[0]; // Internal Commands
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const WordList &keywords2 = *keywordlists[1]; // External Commands (optional)
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// CHOICE, ECHO, GOTO, PROMPT and SET have Default Text that may contain Regular Keywords
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// Toggling Regular Keyword Checking off improves readability
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// Other Regular Keywords and External Commands / Programs might also benefit from toggling
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// Need a more robust algorithm to properly toggle Regular Keyword Checking
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bool stopLineProcessing=false; // Used to stop line processing if Comment or Drive Change found
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Sci_PositionU offset = 0; // Line Buffer Offset
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// Skip initial spaces
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while ((offset < lengthLine) && (isspacechar(lineBuffer[offset]))) {
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offset++;
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}
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// Colorize Default Text
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styler.ColourTo(startLine + offset - 1, SCE_BAT_DEFAULT);
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// Set External Command / Program Location
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Sci_PositionU cmdLoc = offset;
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// Check for Fake Label (Comment) or Real Label - return if found
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if (lineBuffer[offset] == ':') {
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if (lineBuffer[offset + 1] == ':') {
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// Colorize Fake Label (Comment) - :: is similar to REM, see http://content.techweb.com/winmag/columns/explorer/2000/21.htm
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styler.ColourTo(endPos, SCE_BAT_COMMENT);
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} else {
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// Colorize Real Label
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// :[\t ]*[^\t &+:<>|]+
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const char *startLabelName = lineBuffer + offset + 1;
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const size_t whitespaceLength = strspn(startLabelName, "\t ");
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// Set of label-terminating characters determined experimentally
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const char *endLabel = strpbrk(startLabelName + whitespaceLength, "\t &+:<>|");
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if (endLabel) {
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styler.ColourTo(startLine + offset + endLabel - startLabelName, SCE_BAT_LABEL);
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styler.ColourTo(endPos, SCE_BAT_AFTER_LABEL); // New style
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} else {
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styler.ColourTo(endPos, SCE_BAT_LABEL);
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}
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}
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stopLineProcessing=true;
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// Check for Drive Change (Drive Change is internal command) - return if found
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} else if ((IsAlphabetic(lineBuffer[offset])) &&
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(lineBuffer[offset + 1] == ':') &&
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((isspacechar(lineBuffer[offset + 2])) ||
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(((lineBuffer[offset + 2] == '\\')) &&
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(isspacechar(lineBuffer[offset + 3]))))) {
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// Colorize Regular Keyword
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styler.ColourTo(endPos, SCE_BAT_WORD);
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stopLineProcessing=true;
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}
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// Check for Hide Command (@ECHO OFF/ON)
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if (lineBuffer[offset] == '@') {
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styler.ColourTo(startLine + offset, SCE_BAT_HIDE);
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offset++;
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}
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// Skip next spaces
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while ((offset < lengthLine) && (isspacechar(lineBuffer[offset]))) {
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offset++;
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}
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// Read remainder of line word-at-a-time or remainder-of-word-at-a-time
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while (offset < lengthLine && !stopLineProcessing) {
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if (offset > startLine) {
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// Colorize Default Text
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styler.ColourTo(startLine + offset - 1, SCE_BAT_DEFAULT);
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}
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char wordBuffer[81]{}; // Word Buffer - large to catch long paths
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// Copy word from Line Buffer into Word Buffer and convert to lower case
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Sci_PositionU wbl = 0; // Word Buffer Length
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for (; offset < lengthLine && wbl < 80 &&
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!isspacechar(lineBuffer[offset]); wbl++, offset++) {
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wordBuffer[wbl] = MakeLowerCase(lineBuffer[offset]);
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}
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wordBuffer[wbl] = '\0';
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const std::string_view wordView(wordBuffer);
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Sci_PositionU wbo = 0; // Word Buffer Offset - also Special Keyword Buffer Length
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// Check for Comment - return if found
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if (continueProcessing) {
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if ((wordView == "rem") || (wordBuffer[0] == ':' && wordBuffer[1] == ':')) {
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if ((offset == wbl) || !textQuoted(lineBuffer, offset - wbl)) {
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styler.ColourTo(startLine + offset - wbl - 1, SCE_BAT_DEFAULT);
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styler.ColourTo(endPos, SCE_BAT_COMMENT);
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break;
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}
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}
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}
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// Check for Separator
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if (IsBSeparator(wordBuffer[0])) {
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// Check for External Command / Program
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if ((cmdLoc == offset - wbl) &&
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((wordBuffer[0] == ':') ||
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(wordBuffer[0] == '\\') ||
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(wordBuffer[0] == '.'))) {
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// Reset Offset to re-process remainder of word
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offset -= (wbl - 1);
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// Colorize External Command / Program
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if (!keywords2) {
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styler.ColourTo(startLine + offset - 1, SCE_BAT_COMMAND);
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} else if (keywords2.InList(wordBuffer)) {
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styler.ColourTo(startLine + offset - 1, SCE_BAT_COMMAND);
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} else {
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styler.ColourTo(startLine + offset - 1, SCE_BAT_DEFAULT);
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}
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// Reset External Command / Program Location
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cmdLoc = offset;
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} else {
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// Reset Offset to re-process remainder of word
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offset -= (wbl - 1);
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// Colorize Default Text
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styler.ColourTo(startLine + offset - 1, SCE_BAT_DEFAULT);
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}
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// Check for Regular Keyword in list
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} else if ((keywords.InList(wordBuffer)) &&
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(continueProcessing)) {
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// ECHO, GOTO, PROMPT and SET require no further Regular Keyword Checking
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if (InList(wordView, {"echo", "goto", "prompt"})) {
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continueProcessing = false;
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}
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// SET requires additional processing for the assignment operator
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if (wordView == "set") {
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continueProcessing = false;
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isNotAssigned=true;
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}
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// Identify External Command / Program Location for ERRORLEVEL, and EXIST
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if (InList(wordView, {"errorlevel", "exist"})) {
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// Reset External Command / Program Location
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cmdLoc = offset;
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// Skip next spaces
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while ((cmdLoc < lengthLine) &&
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(isspacechar(lineBuffer[cmdLoc]))) {
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cmdLoc++;
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}
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// Skip comparison
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while ((cmdLoc < lengthLine) &&
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(!isspacechar(lineBuffer[cmdLoc]))) {
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cmdLoc++;
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}
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// Skip next spaces
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while ((cmdLoc < lengthLine) &&
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(isspacechar(lineBuffer[cmdLoc]))) {
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cmdLoc++;
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}
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// Identify External Command / Program Location for CALL, DO, LOADHIGH and LH
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} else if (InList(wordView, {"call", "do", "loadhigh", "lh"})) {
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// Reset External Command / Program Location
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cmdLoc = offset;
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// Skip next spaces
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while ((cmdLoc < lengthLine) &&
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(isspacechar(lineBuffer[cmdLoc]))) {
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cmdLoc++;
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}
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// Check if call is followed by a label
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if ((lineBuffer[cmdLoc] == ':') &&
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(wordView == "call")) {
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continueProcessing = false;
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}
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}
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// Colorize Regular keyword
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styler.ColourTo(startLine + offset - 1, SCE_BAT_WORD);
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// No need to Reset Offset
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// Check for Special Keyword in list, External Command / Program, or Default Text
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} else if ((wordBuffer[0] != '%') &&
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(wordBuffer[0] != '!') &&
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(!IsBOperator(wordBuffer[0])) &&
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(continueProcessing)) {
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// Check for Special Keyword
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// Affected Commands are in Length range 2-6
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// Good that ERRORLEVEL, EXIST, CALL, DO, LOADHIGH, and LH are unaffected
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bool sKeywordFound = false; // Exit Special Keyword for-loop if found
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for (Sci_PositionU keywordLength = 2; keywordLength < wbl && keywordLength < 7 && !sKeywordFound; keywordLength++) {
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// Special Keywords are those that allow certain characters without whitespace after the command
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// Examples are: cd. cd\ md. rd. dir| dir> echo: echo. path=
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// Special Keyword Buffer used to determine if the first n characters is a Keyword
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char sKeywordBuffer[10]{}; // Special Keyword Buffer
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wbo = 0;
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// Copy Keyword Length from Word Buffer into Special Keyword Buffer
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for (; wbo < keywordLength; wbo++) {
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sKeywordBuffer[wbo] = wordBuffer[wbo];
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}
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sKeywordBuffer[wbo] = '\0';
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// Check for Special Keyword in list
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if ((keywords.InList(sKeywordBuffer)) &&
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((IsBOperator(wordBuffer[wbo])) ||
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(IsBSeparator(wordBuffer[wbo])) ||
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(wordBuffer[wbo] == ':' &&
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(InList(sKeywordBuffer, {"call", "echo", "goto"}) )))) {
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sKeywordFound = true;
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// ECHO requires no further Regular Keyword Checking
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if (std::string_view(sKeywordBuffer) == "echo") {
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continueProcessing = false;
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}
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// Colorize Special Keyword as Regular Keyword
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styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_WORD);
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// Reset Offset to re-process remainder of word
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offset -= (wbl - wbo);
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}
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}
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// Check for External Command / Program or Default Text
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if (!sKeywordFound) {
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wbo = 0;
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// Check for External Command / Program
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if (cmdLoc == offset - wbl) {
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// Read up to %, Operator or Separator
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while ((wbo < wbl) &&
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(((wordBuffer[wbo] != '%') &&
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(wordBuffer[wbo] != '!') &&
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(!IsBOperator(wordBuffer[wbo])) &&
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(!IsBSeparator(wordBuffer[wbo]))))) {
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wbo++;
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}
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// Reset External Command / Program Location
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cmdLoc = offset - (wbl - wbo);
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// Reset Offset to re-process remainder of word
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offset -= (wbl - wbo);
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// CHOICE requires no further Regular Keyword Checking
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if (wordView == "choice") {
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continueProcessing = false;
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}
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// Check for START (and its switches) - What follows is External Command \ Program
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if (wordView == "start") {
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// Reset External Command / Program Location
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cmdLoc = offset;
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// Skip next spaces
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while ((cmdLoc < lengthLine) &&
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(isspacechar(lineBuffer[cmdLoc]))) {
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cmdLoc++;
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}
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// Reset External Command / Program Location if command switch detected
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if (lineBuffer[cmdLoc] == '/') {
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// Skip command switch
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while ((cmdLoc < lengthLine) &&
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(!isspacechar(lineBuffer[cmdLoc]))) {
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cmdLoc++;
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}
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// Skip next spaces
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while ((cmdLoc < lengthLine) &&
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(isspacechar(lineBuffer[cmdLoc]))) {
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cmdLoc++;
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}
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}
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}
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// Colorize External Command / Program
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if (!keywords2) {
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styler.ColourTo(startLine + offset - 1, SCE_BAT_COMMAND);
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} else if (keywords2.InList(wordBuffer)) {
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styler.ColourTo(startLine + offset - 1, SCE_BAT_COMMAND);
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} else {
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styler.ColourTo(startLine + offset - 1, SCE_BAT_DEFAULT);
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}
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// No need to Reset Offset
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// Check for Default Text
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} else {
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// Read up to %, Operator or Separator
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while ((wbo < wbl) &&
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(((wordBuffer[wbo] != '%') &&
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(wordBuffer[wbo] != '!') &&
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(!IsBOperator(wordBuffer[wbo])) &&
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(!IsBSeparator(wordBuffer[wbo]))))) {
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wbo++;
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}
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// Colorize Default Text
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styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_DEFAULT);
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// Reset Offset to re-process remainder of word
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offset -= (wbl - wbo);
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}
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}
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// Check for Argument (%n), Environment Variable (%x...%) or Local Variable (%%a)
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} else if (wordBuffer[0] == '%') {
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// Colorize Default Text
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styler.ColourTo(startLine + offset - 1 - wbl, SCE_BAT_DEFAULT);
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wbo++;
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// Search to end of word for second % (can be a long path)
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while ((wbo < wbl) &&
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(wordBuffer[wbo] != '%')) {
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wbo++;
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}
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// Check for Argument (%n) or (%*)
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if (((Is0To9(wordBuffer[1])) || (wordBuffer[1] == '*')) &&
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(wordBuffer[wbo] != '%')) {
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// Check for External Command / Program
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if (cmdLoc == offset - wbl) {
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cmdLoc = offset - (wbl - 2);
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}
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// Colorize Argument
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styler.ColourTo(startLine + offset - 1 - (wbl - 2), SCE_BAT_IDENTIFIER);
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// Reset Offset to re-process remainder of word
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offset -= (wbl - 2);
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// Check for Expanded Argument (%~...) / Variable (%%~...)
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// Expanded Argument: %~[<path-operators>]<single digit>
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// Expanded Variable: %%~[<path-operators>]<single identifier character>
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// Path operators are exclusively alphabetic.
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// Expanded arguments have a single digit at the end.
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// Expanded variables have a single identifier character as variable name.
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} else if (((wbl > 1) && (wordBuffer[1] == '~')) ||
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((wbl > 2) && (wordBuffer[1] == '%') && (wordBuffer[2] == '~'))) {
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// Check for External Command / Program
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if (cmdLoc == offset - wbl) {
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cmdLoc = offset - (wbl - wbo);
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}
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const bool isArgument = (wordBuffer[1] == '~');
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if (isArgument) {
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Sci_PositionU expansionStopOffset = 2;
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bool isValid = false;
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for (; expansionStopOffset < wbl; expansionStopOffset++) {
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if (Is0To9(wordBuffer[expansionStopOffset])) {
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expansionStopOffset++;
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isValid = true;
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wbo = expansionStopOffset;
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// Colorize Expanded Argument
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styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_IDENTIFIER);
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break;
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}
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}
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if (!isValid) {
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// not a valid expanded argument or variable
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styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_DEFAULT);
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}
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// Expanded Variable
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} else {
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// start after ~
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wbo = 3;
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// Search to end of word for another % (can be a long path)
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while ((wbo < wbl) &&
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(wordBuffer[wbo] != '%') &&
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(!IsBOperator(wordBuffer[wbo])) &&
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(!IsBSeparator(wordBuffer[wbo]))) {
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wbo++;
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}
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if (wbo > 3) {
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// Colorize Expanded Variable
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|
styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_IDENTIFIER);
|
|
} else {
|
|
// not a valid expanded argument or variable
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_DEFAULT);
|
|
}
|
|
}
|
|
// Reset Offset to re-process remainder of word
|
|
offset -= (wbl - wbo);
|
|
// Check for Environment Variable (%x...%)
|
|
} else if ((wordBuffer[1] != '%') &&
|
|
(wordBuffer[wbo] == '%')) {
|
|
wbo++;
|
|
// Check for External Command / Program
|
|
if (cmdLoc == offset - wbl) {
|
|
cmdLoc = offset - (wbl - wbo);
|
|
}
|
|
// Colorize Environment Variable
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_IDENTIFIER);
|
|
// Reset Offset to re-process remainder of word
|
|
offset -= (wbl - wbo);
|
|
// Check for Local Variable (%%a)
|
|
} else if (
|
|
(wbl > 2) &&
|
|
(wordBuffer[1] == '%') &&
|
|
(wordBuffer[2] != '%') &&
|
|
(!IsBOperator(wordBuffer[2])) &&
|
|
(!IsBSeparator(wordBuffer[2]))) {
|
|
// Check for External Command / Program
|
|
if (cmdLoc == offset - wbl) {
|
|
cmdLoc = offset - (wbl - 3);
|
|
}
|
|
// Colorize Local Variable
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - 3), SCE_BAT_IDENTIFIER);
|
|
// Reset Offset to re-process remainder of word
|
|
offset -= (wbl - 3);
|
|
// escaped %
|
|
} else if (
|
|
(wbl > 1) &&
|
|
(wordBuffer[1] == '%')) {
|
|
|
|
// Reset Offset to re-process remainder of word
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - 2), SCE_BAT_DEFAULT);
|
|
offset -= (wbl - 2);
|
|
}
|
|
// Check for Environment Variable (!x...!)
|
|
} else if (wordBuffer[0] == '!') {
|
|
// Colorize Default Text
|
|
styler.ColourTo(startLine + offset - 1 - wbl, SCE_BAT_DEFAULT);
|
|
wbo++;
|
|
// Search to end of word for second ! (can be a long path)
|
|
while ((wbo < wbl) &&
|
|
(wordBuffer[wbo] != '!')) {
|
|
wbo++;
|
|
}
|
|
if (wordBuffer[wbo] == '!') {
|
|
wbo++;
|
|
// Check for External Command / Program
|
|
if (cmdLoc == offset - wbl) {
|
|
cmdLoc = offset - (wbl - wbo);
|
|
}
|
|
// Colorize Environment Variable
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_IDENTIFIER);
|
|
// Reset Offset to re-process remainder of word
|
|
offset -= (wbl - wbo);
|
|
}
|
|
// Check for Operator
|
|
} else if (IsBOperator(wordBuffer[0])) {
|
|
// Colorize Default Text
|
|
styler.ColourTo(startLine + offset - 1 - wbl, SCE_BAT_DEFAULT);
|
|
// Check for Comparison Operator
|
|
if ((wordBuffer[0] == '=') && (wordBuffer[1] == '=')) {
|
|
// Identify External Command / Program Location for IF
|
|
cmdLoc = offset;
|
|
// Skip next spaces
|
|
while ((cmdLoc < lengthLine) &&
|
|
(isspacechar(lineBuffer[cmdLoc]))) {
|
|
cmdLoc++;
|
|
}
|
|
// Colorize Comparison Operator
|
|
if (continueProcessing)
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - 2), SCE_BAT_OPERATOR);
|
|
else
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - 2), SCE_BAT_DEFAULT);
|
|
// Reset Offset to re-process remainder of word
|
|
offset -= (wbl - 2);
|
|
// Check for Pipe Operator
|
|
} else if ((wordBuffer[0] == '|') &&
|
|
!(IsEscaped(lineBuffer,offset - wbl + wbo) || textQuoted(lineBuffer, offset - wbl) )) {
|
|
// Reset External Command / Program Location
|
|
cmdLoc = offset - wbl + 1;
|
|
// Skip next spaces
|
|
while ((cmdLoc < lengthLine) &&
|
|
(isspacechar(lineBuffer[cmdLoc]))) {
|
|
cmdLoc++;
|
|
}
|
|
// Colorize Pipe Operator
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - 1), SCE_BAT_OPERATOR);
|
|
// Reset Offset to re-process remainder of word
|
|
offset -= (wbl - 1);
|
|
continueProcessing = true;
|
|
// Check for Other Operator
|
|
} else {
|
|
// Check for Operators: >, |, &
|
|
if (((wordBuffer[0] == '>')||
|
|
(wordBuffer[0] == ')')||
|
|
(wordBuffer[0] == '(')||
|
|
(wordBuffer[0] == '&' )) &&
|
|
!(!continueProcessing && (IsEscaped(lineBuffer,offset - wbl + wbo)
|
|
|| textQuoted(lineBuffer, offset - wbl) ))){
|
|
// Turn Keyword and External Command / Program checking back on
|
|
continueProcessing = true;
|
|
isNotAssigned=false;
|
|
}
|
|
// Colorize Other Operators
|
|
// Do not Colorize Parenthesis, quoted text and escaped operators
|
|
if (((wordBuffer[0] != ')') && (wordBuffer[0] != '(')
|
|
&& !textQuoted(lineBuffer, offset - wbl) && !IsEscaped(lineBuffer,offset - wbl + wbo))
|
|
&& !((wordBuffer[0] == '=') && !isNotAssigned ))
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - 1), SCE_BAT_OPERATOR);
|
|
else
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - 1), SCE_BAT_DEFAULT);
|
|
// Reset Offset to re-process remainder of word
|
|
offset -= (wbl - 1);
|
|
|
|
if ((wordBuffer[0] == '=') && isNotAssigned ){
|
|
isNotAssigned=false;
|
|
}
|
|
}
|
|
// Check for Default Text
|
|
} else {
|
|
// Read up to %, Operator or Separator
|
|
while ((wbo < wbl) &&
|
|
((wordBuffer[wbo] != '%') &&
|
|
(wordBuffer[wbo] != '!') &&
|
|
(!IsBOperator(wordBuffer[wbo])) &&
|
|
(!IsBSeparator(wordBuffer[wbo])))) {
|
|
wbo++;
|
|
}
|
|
// Colorize Default Text
|
|
styler.ColourTo(startLine + offset - 1 - (wbl - wbo), SCE_BAT_DEFAULT);
|
|
// Reset Offset to re-process remainder of word
|
|
offset -= (wbl - wbo);
|
|
}
|
|
// Skip next spaces - nothing happens if Offset was Reset
|
|
while ((offset < lengthLine) && (isspacechar(lineBuffer[offset]))) {
|
|
offset++;
|
|
}
|
|
}
|
|
// Colorize Default Text for remainder of line - currently not lexed
|
|
styler.ColourTo(endPos, SCE_BAT_DEFAULT);
|
|
|
|
// handle line continuation for SET and ECHO commands except the last line
|
|
if (!continueProcessing && (i<startPos + length-1)) {
|
|
if (linePos==1 || (linePos==2 && lineBuffer[1]=='\r')) // empty line on Unix and Mac or on Windows
|
|
continueProcessing=true;
|
|
else {
|
|
Sci_PositionU lineContinuationPos;
|
|
if ((linePos>2) && lineBuffer[linePos-2]=='\r') // Windows EOL
|
|
lineContinuationPos=linePos-3;
|
|
else
|
|
lineContinuationPos=linePos-2; // Unix or Mac EOL
|
|
// Reset continueProcessing if line continuation was not found
|
|
if ((lineBuffer[lineContinuationPos]!='^')
|
|
|| IsEscaped(lineBuffer, lineContinuationPos)
|
|
|| textQuoted(lineBuffer, lineContinuationPos))
|
|
continueProcessing=true;
|
|
}
|
|
}
|
|
|
|
linePos = 0;
|
|
startLine = i + 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
const char *const batchWordListDesc[] = {
|
|
"Internal Commands",
|
|
"External Commands",
|
|
nullptr
|
|
};
|
|
|
|
}
|
|
|
|
LexerModule lmBatch(SCLEX_BATCH, ColouriseBatchDoc, "batch", nullptr, batchWordListDesc);
|