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notepad-plus-plus/lexilla/lexers/LexAbaqus.cxx

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// Scintilla source code edit control
/** @file LexAbaqus.cxx
** Lexer for ABAQUS. Based on the lexer for APDL by Hadar Raz.
** By Sergio Lucato.
** Sort of completely rewritten by Gertjan Kloosterman
**/
// The License.txt file describes the conditions under which this software may be distributed.
// Code folding copyied and modified from LexBasic.cxx
#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;
static inline bool IsAKeywordChar(const int ch) {
return (ch < 0x80 && (isalnum(ch) || (ch == '_') || (ch == ' ')));
}
static inline bool IsASetChar(const int ch) {
return (ch < 0x80 && (isalnum(ch) || (ch == '_') || (ch == '.') || (ch == '-')));
}
static void ColouriseABAQUSDoc(Sci_PositionU startPos, Sci_Position length, int initStyle, WordList*[] /* *keywordlists[] */,
Accessor &styler) {
enum localState { KW_LINE_KW, KW_LINE_COMMA, KW_LINE_PAR, KW_LINE_EQ, KW_LINE_VAL, \
DAT_LINE_VAL, DAT_LINE_COMMA,\
COMMENT_LINE,\
ST_ERROR, LINE_END } state ;
// Do not leak onto next line
state = LINE_END ;
initStyle = SCE_ABAQUS_DEFAULT;
StyleContext sc(startPos, length, initStyle, styler);
// Things are actually quite simple
// we have commentlines
// keywordlines and datalines
// On a data line there will only be colouring of numbers
// a keyword line is constructed as
// *word,[ paramname[=paramvalue]]*
// if the line ends with a , the keyword line continues onto the new line
for (; sc.More(); sc.Forward()) {
switch ( state ) {
case KW_LINE_KW :
if ( sc.atLineEnd ) {
// finished the line in keyword state, switch to LINE_END
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = LINE_END ;
} else if ( IsAKeywordChar(sc.ch) ) {
// nothing changes
state = KW_LINE_KW ;
} else if ( sc.ch == ',' ) {
// Well well we say a comma, arguments *MUST* follow
sc.SetState(SCE_ABAQUS_OPERATOR) ;
state = KW_LINE_COMMA ;
} else {
// Flag an error
sc.SetState(SCE_ABAQUS_PROCESSOR) ;
state = ST_ERROR ;
}
// Done with processing
break ;
case KW_LINE_COMMA :
// acomma on a keywordline was seen
if ( IsAKeywordChar(sc.ch)) {
sc.SetState(SCE_ABAQUS_ARGUMENT) ;
state = KW_LINE_PAR ;
} else if ( sc.atLineEnd || (sc.ch == ',') ) {
// we remain in keyword mode
state = KW_LINE_COMMA ;
} else if ( sc.ch == ' ' ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = KW_LINE_COMMA ;
} else {
// Anything else constitutes an error
sc.SetState(SCE_ABAQUS_PROCESSOR) ;
state = ST_ERROR ;
}
break ;
case KW_LINE_PAR :
if ( sc.atLineEnd ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = LINE_END ;
} else if ( IsAKeywordChar(sc.ch) || (sc.ch == '-') ) {
// remain in this state
state = KW_LINE_PAR ;
} else if ( sc.ch == ',' ) {
sc.SetState(SCE_ABAQUS_OPERATOR) ;
state = KW_LINE_COMMA ;
} else if ( sc.ch == '=' ) {
sc.SetState(SCE_ABAQUS_OPERATOR) ;
state = KW_LINE_EQ ;
} else {
// Anything else constitutes an error
sc.SetState(SCE_ABAQUS_PROCESSOR) ;
state = ST_ERROR ;
}
break ;
case KW_LINE_EQ :
if ( sc.ch == ' ' ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
// remain in this state
state = KW_LINE_EQ ;
} else if ( IsADigit(sc.ch) || (sc.ch == '-') || (sc.ch == '.' && IsADigit(sc.chNext)) ) {
sc.SetState(SCE_ABAQUS_NUMBER) ;
state = KW_LINE_VAL ;
} else if ( IsAKeywordChar(sc.ch) ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = KW_LINE_VAL ;
} else if ( (sc.ch == '\'') || (sc.ch == '\"') ) {
sc.SetState(SCE_ABAQUS_STRING) ;
state = KW_LINE_VAL ;
} else {
sc.SetState(SCE_ABAQUS_PROCESSOR) ;
state = ST_ERROR ;
}
break ;
case KW_LINE_VAL :
if ( sc.atLineEnd ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = LINE_END ;
} else if ( IsASetChar(sc.ch) && (sc.state == SCE_ABAQUS_DEFAULT) ) {
// nothing changes
state = KW_LINE_VAL ;
} else if (( (IsADigit(sc.ch) || sc.ch == '.' || (sc.ch == 'e' || sc.ch == 'E') ||
((sc.ch == '+' || sc.ch == '-') && (sc.chPrev == 'e' || sc.chPrev == 'E')))) &&
(sc.state == SCE_ABAQUS_NUMBER)) {
// remain in number mode
state = KW_LINE_VAL ;
} else if (sc.state == SCE_ABAQUS_STRING) {
// accept everything until a closing quote
if ( sc.ch == '\'' || sc.ch == '\"' ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = KW_LINE_VAL ;
}
} else if ( sc.ch == ',' ) {
sc.SetState(SCE_ABAQUS_OPERATOR) ;
state = KW_LINE_COMMA ;
} else {
// anything else is an error
sc.SetState(SCE_ABAQUS_PROCESSOR) ;
state = ST_ERROR ;
}
break ;
case DAT_LINE_VAL :
if ( sc.atLineEnd ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = LINE_END ;
} else if ( IsASetChar(sc.ch) && (sc.state == SCE_ABAQUS_DEFAULT) ) {
// nothing changes
state = DAT_LINE_VAL ;
} else if (( (IsADigit(sc.ch) || sc.ch == '.' || (sc.ch == 'e' || sc.ch == 'E') ||
((sc.ch == '+' || sc.ch == '-') && (sc.chPrev == 'e' || sc.chPrev == 'E')))) &&
(sc.state == SCE_ABAQUS_NUMBER)) {
// remain in number mode
state = DAT_LINE_VAL ;
} else if (sc.state == SCE_ABAQUS_STRING) {
// accept everything until a closing quote
if ( sc.ch == '\'' || sc.ch == '\"' ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = DAT_LINE_VAL ;
}
} else if ( sc.ch == ',' ) {
sc.SetState(SCE_ABAQUS_OPERATOR) ;
state = DAT_LINE_COMMA ;
} else {
// anything else is an error
sc.SetState(SCE_ABAQUS_PROCESSOR) ;
state = ST_ERROR ;
}
break ;
case DAT_LINE_COMMA :
// a comma on a data line was seen
if ( sc.atLineEnd ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = LINE_END ;
} else if ( sc.ch == ' ' ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = DAT_LINE_COMMA ;
} else if (sc.ch == ',') {
sc.SetState(SCE_ABAQUS_OPERATOR) ;
state = DAT_LINE_COMMA ;
} else if ( IsADigit(sc.ch) || (sc.ch == '-')|| (sc.ch == '.' && IsADigit(sc.chNext)) ) {
sc.SetState(SCE_ABAQUS_NUMBER) ;
state = DAT_LINE_VAL ;
} else if ( IsAKeywordChar(sc.ch) ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = DAT_LINE_VAL ;
} else if ( (sc.ch == '\'') || (sc.ch == '\"') ) {
sc.SetState(SCE_ABAQUS_STRING) ;
state = DAT_LINE_VAL ;
} else {
sc.SetState(SCE_ABAQUS_PROCESSOR) ;
state = ST_ERROR ;
}
break ;
case COMMENT_LINE :
if ( sc.atLineEnd ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = LINE_END ;
}
break ;
case ST_ERROR :
if ( sc.atLineEnd ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = LINE_END ;
}
break ;
case LINE_END :
if ( sc.atLineEnd || sc.ch == ' ' ) {
// nothing changes
state = LINE_END ;
} else if ( sc.ch == '*' ) {
if ( sc.chNext == '*' ) {
state = COMMENT_LINE ;
sc.SetState(SCE_ABAQUS_COMMENT) ;
} else {
state = KW_LINE_KW ;
sc.SetState(SCE_ABAQUS_STARCOMMAND) ;
}
} else {
// it must be a data line, things are as if we are in DAT_LINE_COMMA
if ( sc.ch == ',' ) {
sc.SetState(SCE_ABAQUS_OPERATOR) ;
state = DAT_LINE_COMMA ;
} else if ( IsADigit(sc.ch) || (sc.ch == '-')|| (sc.ch == '.' && IsADigit(sc.chNext)) ) {
sc.SetState(SCE_ABAQUS_NUMBER) ;
state = DAT_LINE_VAL ;
} else if ( IsAKeywordChar(sc.ch) ) {
sc.SetState(SCE_ABAQUS_DEFAULT) ;
state = DAT_LINE_VAL ;
} else if ( (sc.ch == '\'') || (sc.ch == '\"') ) {
sc.SetState(SCE_ABAQUS_STRING) ;
state = DAT_LINE_VAL ;
} else {
sc.SetState(SCE_ABAQUS_PROCESSOR) ;
state = ST_ERROR ;
}
}
break ;
}
}
sc.Complete();
}
//------------------------------------------------------------------------------
// This copyied and modified from LexBasic.cxx
//------------------------------------------------------------------------------
/* Bits:
* 1 - whitespace
* 2 - operator
* 4 - identifier
* 8 - decimal digit
* 16 - hex digit
* 32 - bin digit
*/
static int character_classification[128] =
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 2, 0, 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, 2, 10, 6,
60, 60, 28, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 2, 2, 2,
2, 20, 20, 20, 20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 4,
2, 20, 20, 20, 20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 0
};
static bool IsSpace(int c) {
return c < 128 && (character_classification[c] & 1);
}
static bool IsIdentifier(int c) {
return c < 128 && (character_classification[c] & 4);
}
static int LowerCase(int c)
{
if (c >= 'A' && c <= 'Z')
return 'a' + c - 'A';
return c;
}
static Sci_Position LineEnd(Sci_Position line, Accessor &styler)
{
const Sci_Position docLines = styler.GetLine(styler.Length() - 1); // Available last line
Sci_Position eol_pos ;
// if the line is the last line, the eol_pos is styler.Length()
// eol will contain a new line, or a virtual new line
if ( docLines == line )
eol_pos = styler.Length() ;
else
eol_pos = styler.LineStart(line + 1) - 1;
return eol_pos ;
}
static Sci_Position LineStart(Sci_Position line, Accessor &styler)
{
return styler.LineStart(line) ;
}
// LineType
//
// bits determines the line type
// 1 : data line
// 2 : only whitespace
// 3 : data line with only whitespace
// 4 : keyword line
// 5 : block open keyword line
// 6 : block close keyword line
// 7 : keyword line in error
// 8 : comment line
static int LineType(Sci_Position line, Accessor &styler) {
Sci_Position pos = LineStart(line, styler) ;
Sci_Position eol_pos = LineEnd(line, styler) ;
int c ;
char ch = ' ';
Sci_Position i = pos ;
while ( i < eol_pos ) {
c = styler.SafeGetCharAt(i);
ch = static_cast<char>(LowerCase(c));
// We can say something as soon as no whitespace
// was encountered
if ( !IsSpace(c) )
break ;
i++ ;
}
if ( i >= eol_pos ) {
// This is a whitespace line, currently
// classifies as data line
return 3 ;
}
if ( ch != '*' ) {
// This is a data line
return 1 ;
}
if ( i == eol_pos - 1 ) {
// Only a single *, error but make keyword line
return 4+3 ;
}
// This means we can have a second character
// if that is also a * this means a comment
// otherwise it is a keyword.
c = styler.SafeGetCharAt(i+1);
ch = static_cast<char>(LowerCase(c));
if ( ch == '*' ) {
return 8 ;
}
// At this point we know this is a keyword line
// the character at position i is a *
// it is not a comment line
char word[256] ;
int wlen = 0;
word[wlen] = '*' ;
wlen++ ;
i++ ;
while ( (i < eol_pos) && (wlen < 255) ) {
c = styler.SafeGetCharAt(i);
ch = static_cast<char>(LowerCase(c));
if ( (!IsSpace(c)) && (!IsIdentifier(c)) )
break ;
if ( IsIdentifier(c) ) {
word[wlen] = ch ;
wlen++ ;
}
i++ ;
}
word[wlen] = 0 ;
// Make a comparison
if ( !strcmp(word, "*step") ||
!strcmp(word, "*part") ||
!strcmp(word, "*instance") ||
!strcmp(word, "*assembly")) {
return 4+1 ;
}
if ( !strcmp(word, "*endstep") ||
!strcmp(word, "*endpart") ||
!strcmp(word, "*endinstance") ||
!strcmp(word, "*endassembly")) {
return 4+2 ;
}
return 4 ;
}
static void SafeSetLevel(Sci_Position line, int level, Accessor &styler)
{
if ( line < 0 )
return ;
int mask = ((~SC_FOLDLEVELHEADERFLAG) | (~SC_FOLDLEVELWHITEFLAG));
if ( (level & mask) < 0 )
return ;
if ( styler.LevelAt(line) != level )
styler.SetLevel(line, level) ;
}
static void FoldABAQUSDoc(Sci_PositionU startPos, Sci_Position length, int,
WordList *[], Accessor &styler) {
Sci_Position startLine = styler.GetLine(startPos) ;
Sci_Position endLine = styler.GetLine(startPos+length-1) ;
// bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
// We want to deal with all the cases
// To know the correct indentlevel, we need to look back to the
// previous command line indentation level
// order of formatting keyline datalines commentlines
Sci_Position beginData = -1 ;
Sci_Position beginComment = -1 ;
Sci_Position prvKeyLine = startLine ;
Sci_Position prvKeyLineTp = 0 ;
// Scan until we find the previous keyword line
// this will give us the level reference that we need
while ( prvKeyLine > 0 ) {
prvKeyLine-- ;
prvKeyLineTp = LineType(prvKeyLine, styler) ;
if ( prvKeyLineTp & 4 )
break ;
}
// Determine the base line level of all lines following
// the previous keyword
// new keyword lines are placed on this level
//if ( prvKeyLineTp & 4 ) {
int level = styler.LevelAt(prvKeyLine) & ~SC_FOLDLEVELHEADERFLAG ;
//}
// uncomment line below if weird behaviour continues
prvKeyLine = -1 ;
// Now start scanning over the lines.
for ( Sci_Position line = startLine; line <= endLine; line++ ) {
int lineType = LineType(line, styler) ;
// Check for comment line
if ( lineType == 8 ) {
if ( beginComment < 0 ) {
beginComment = line ;
}
}
// Check for data line
if ( (lineType == 1) || (lineType == 3) ) {
if ( beginData < 0 ) {
if ( beginComment >= 0 ) {
beginData = beginComment ;
} else {
beginData = line ;
}
}
beginComment = -1 ;
}
// Check for keywordline.
// As soon as a keyword line is encountered, we can set the
// levels of everything from the previous keyword line to this one
if ( lineType & 4 ) {
// this is a keyword, we can now place the previous keyword
// all its data lines and the remainder
// Write comments and data line
if ( beginComment < 0 ) {
beginComment = line ;
}
if ( beginData < 0 ) {
beginData = beginComment ;
if ( prvKeyLineTp != 5 )
SafeSetLevel(prvKeyLine, level, styler) ;
else
SafeSetLevel(prvKeyLine, level | SC_FOLDLEVELHEADERFLAG, styler) ;
} else {
SafeSetLevel(prvKeyLine, level | SC_FOLDLEVELHEADERFLAG, styler) ;
}
int datLevel = level + 1 ;
if ( !(prvKeyLineTp & 4) ) {
datLevel = level ;
}
for ( Sci_Position ll = beginData; ll < beginComment; ll++ )
SafeSetLevel(ll, datLevel, styler) ;
// The keyword we just found is going to be written at another level
// if we have a type 5 and type 6
if ( prvKeyLineTp == 5 ) {
level += 1 ;
}
if ( prvKeyLineTp == 6 ) {
level -= 1 ;
if ( level < 0 ) {
level = 0 ;
}
}
for ( Sci_Position lll = beginComment; lll < line; lll++ )
SafeSetLevel(lll, level, styler) ;
// wrap and reset
beginComment = -1 ;
beginData = -1 ;
prvKeyLine = line ;
prvKeyLineTp = lineType ;
}
}
if ( beginComment < 0 ) {
beginComment = endLine + 1 ;
} else {
// We need to find out whether this comment block is followed by
// a data line or a keyword line
const Sci_Position docLines = styler.GetLine(styler.Length() - 1);
for ( Sci_Position line = endLine + 1; line <= docLines; line++ ) {
Sci_Position lineType = LineType(line, styler) ;
if ( lineType != 8 ) {
if ( !(lineType & 4) ) {
beginComment = endLine + 1 ;
}
break ;
}
}
}
if ( beginData < 0 ) {
beginData = beginComment ;
if ( prvKeyLineTp != 5 )
SafeSetLevel(prvKeyLine, level, styler) ;
else
SafeSetLevel(prvKeyLine, level | SC_FOLDLEVELHEADERFLAG, styler) ;
} else {
SafeSetLevel(prvKeyLine, level | SC_FOLDLEVELHEADERFLAG, styler) ;
}
int datLevel = level + 1 ;
if ( !(prvKeyLineTp & 4) ) {
datLevel = level ;
}
for ( Sci_Position ll = beginData; ll < beginComment; ll++ )
SafeSetLevel(ll, datLevel, styler) ;
if ( prvKeyLineTp == 5 ) {
level += 1 ;
}
if ( prvKeyLineTp == 6 ) {
level -= 1 ;
}
for ( Sci_Position m = beginComment; m <= endLine; m++ )
SafeSetLevel(m, level, styler) ;
}
static const char * const abaqusWordListDesc[] = {
"processors",
"commands",
"slashommands",
"starcommands",
"arguments",
"functions",
0
};
LexerModule lmAbaqus(SCLEX_ABAQUS, ColouriseABAQUSDoc, "abaqus", FoldABAQUSDoc, abaqusWordListDesc);
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