mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
synced 2024-11-24 04:41:10 +00:00
522 lines
9.9 KiB
C++
522 lines
9.9 KiB
C++
// Scintilla source code edit control
|
|
/** @file LexOpal.cxx
|
|
** Lexer for OPAL (functional language similar to Haskell)
|
|
** Written by Sebastian Pipping <webmaster@hartwork.org>
|
|
**/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
|
|
#include "Platform.h"
|
|
|
|
#include "PropSet.h"
|
|
#include "Accessor.h"
|
|
#include "KeyWords.h"
|
|
#include "Scintilla.h"
|
|
#include "SciLexer.h"
|
|
#include "StyleContext.h"
|
|
|
|
#ifdef SCI_NAMESPACE
|
|
using namespace Scintilla;
|
|
#endif
|
|
|
|
inline static void getRange( unsigned int start, unsigned int end, Accessor & styler, char * s, unsigned int len )
|
|
{
|
|
unsigned int i = 0;
|
|
while( ( i < end - start + 1 ) && ( i < len - 1 ) )
|
|
{
|
|
s[i] = static_cast<char>( styler[ start + i ] );
|
|
i++;
|
|
}
|
|
s[ i ] = '\0';
|
|
}
|
|
|
|
inline bool HandleString( unsigned int & cur, unsigned int one_too_much, Accessor & styler )
|
|
{
|
|
char ch;
|
|
|
|
// Wait for string to close
|
|
bool even_backslash_count = true; // Without gaps in between
|
|
cur++; // Skip initial quote
|
|
for( ; ; )
|
|
{
|
|
if( cur >= one_too_much )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_STRING );
|
|
return false; // STOP
|
|
}
|
|
|
|
ch = styler.SafeGetCharAt( cur );
|
|
if( ( ch == '\015' ) || ( ch == '\012' ) ) // Deny multi-line strings
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_STRING );
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
if( even_backslash_count )
|
|
{
|
|
if( ch == '"' )
|
|
{
|
|
styler.ColourTo( cur, SCE_OPAL_STRING );
|
|
cur++;
|
|
if( cur >= one_too_much )
|
|
{
|
|
return false; // STOP
|
|
}
|
|
else
|
|
{
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
else if( ch == '\\' )
|
|
{
|
|
even_backslash_count = false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
even_backslash_count = true;
|
|
}
|
|
}
|
|
|
|
cur++;
|
|
}
|
|
}
|
|
|
|
inline bool HandleCommentBlock( unsigned int & cur, unsigned int one_too_much, Accessor & styler, bool could_fail )
|
|
{
|
|
char ch;
|
|
|
|
if( could_fail )
|
|
{
|
|
cur++;
|
|
if( cur >= one_too_much )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_DEFAULT );
|
|
return false; // STOP
|
|
}
|
|
|
|
ch = styler.SafeGetCharAt( cur );
|
|
if( ch != '*' )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_DEFAULT );
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Wait for comment close
|
|
cur++;
|
|
bool star_found = false;
|
|
for( ; ; )
|
|
{
|
|
if( cur >= one_too_much )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_COMMENT_BLOCK );
|
|
return false; // STOP
|
|
}
|
|
|
|
ch = styler.SafeGetCharAt( cur );
|
|
if( star_found )
|
|
{
|
|
if( ch == '/' )
|
|
{
|
|
styler.ColourTo( cur, SCE_OPAL_COMMENT_BLOCK );
|
|
cur++;
|
|
if( cur >= one_too_much )
|
|
{
|
|
return false; // STOP
|
|
}
|
|
else
|
|
{
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
else if( ch != '*' )
|
|
{
|
|
star_found = false;
|
|
}
|
|
}
|
|
else if( ch == '*' )
|
|
{
|
|
star_found = true;
|
|
}
|
|
cur++;
|
|
}
|
|
}
|
|
|
|
inline bool HandleCommentLine( unsigned int & cur, unsigned int one_too_much, Accessor & styler, bool could_fail )
|
|
{
|
|
char ch;
|
|
|
|
if( could_fail )
|
|
{
|
|
cur++;
|
|
if( cur >= one_too_much )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_DEFAULT );
|
|
return false; // STOP
|
|
}
|
|
|
|
ch = styler.SafeGetCharAt( cur );
|
|
if( ch != '-' )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_DEFAULT );
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
|
|
cur++;
|
|
if( cur >= one_too_much )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_DEFAULT );
|
|
return false; // STOP
|
|
}
|
|
|
|
ch = styler.SafeGetCharAt( cur );
|
|
if( ( ch != ' ' ) && ( ch != '\t' ) )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_DEFAULT );
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Wait for end of line
|
|
bool fifteen_found = false;
|
|
|
|
for( ; ; )
|
|
{
|
|
cur++;
|
|
|
|
if( cur >= one_too_much )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_COMMENT_LINE );
|
|
return false; // STOP
|
|
}
|
|
|
|
ch = styler.SafeGetCharAt( cur );
|
|
if( fifteen_found )
|
|
{
|
|
/*
|
|
if( ch == '\012' )
|
|
{
|
|
// One newline on Windows (015, 012)
|
|
}
|
|
else
|
|
{
|
|
// One newline on MAC (015) and another char
|
|
}
|
|
*/
|
|
cur--;
|
|
styler.ColourTo( cur - 1, SCE_OPAL_COMMENT_LINE );
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
if( ch == '\015' )
|
|
{
|
|
fifteen_found = true;
|
|
}
|
|
else if( ch == '\012' )
|
|
{
|
|
// One newline on Linux (012)
|
|
styler.ColourTo( cur - 1, SCE_OPAL_COMMENT_LINE );
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
inline bool HandlePar( unsigned int & cur, Accessor & styler )
|
|
{
|
|
styler.ColourTo( cur, SCE_OPAL_PAR );
|
|
|
|
cur++;
|
|
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
|
|
inline bool HandleSpace( unsigned int & cur, unsigned int one_too_much, Accessor & styler )
|
|
{
|
|
char ch;
|
|
|
|
cur++;
|
|
for( ; ; )
|
|
{
|
|
if( cur >= one_too_much )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_SPACE );
|
|
return false;
|
|
}
|
|
|
|
ch = styler.SafeGetCharAt( cur );
|
|
switch( ch )
|
|
{
|
|
case ' ':
|
|
case '\t':
|
|
case '\015':
|
|
case '\012':
|
|
cur++;
|
|
break;
|
|
|
|
default:
|
|
styler.ColourTo( cur - 1, SCE_OPAL_SPACE );
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
inline bool HandleInteger( unsigned int & cur, unsigned int one_too_much, Accessor & styler )
|
|
{
|
|
char ch;
|
|
|
|
for( ; ; )
|
|
{
|
|
cur++;
|
|
if( cur >= one_too_much )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_INTEGER );
|
|
return false; // STOP
|
|
}
|
|
|
|
ch = styler.SafeGetCharAt( cur );
|
|
if( !isdigit( ch ) )
|
|
{
|
|
styler.ColourTo( cur - 1, SCE_OPAL_INTEGER );
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
inline bool HandleWord( unsigned int & cur, unsigned int one_too_much, Accessor & styler, WordList * keywordlists[] )
|
|
{
|
|
char ch;
|
|
const unsigned int beg = cur;
|
|
|
|
cur++;
|
|
for( ; ; )
|
|
{
|
|
ch = styler.SafeGetCharAt( cur );
|
|
if( ( ch != '_' ) && ( ch != '-' ) &&
|
|
!islower( ch ) && !isupper( ch ) && !isdigit( ch ) ) break;
|
|
|
|
cur++;
|
|
if( cur >= one_too_much )
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
const int ide_len = cur - beg + 1;
|
|
char * ide = new char[ ide_len ];
|
|
getRange( beg, cur, styler, ide, ide_len );
|
|
|
|
WordList & keywords = *keywordlists[ 0 ];
|
|
WordList & classwords = *keywordlists[ 1 ];
|
|
|
|
if( keywords.InList( ide ) ) // Keyword
|
|
{
|
|
delete [] ide;
|
|
|
|
styler.ColourTo( cur - 1, SCE_OPAL_KEYWORD );
|
|
if( cur >= one_too_much )
|
|
{
|
|
return false; // STOP
|
|
}
|
|
else
|
|
{
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
else if( classwords.InList( ide ) ) // Sort
|
|
{
|
|
delete [] ide;
|
|
|
|
styler.ColourTo( cur - 1, SCE_OPAL_SORT );
|
|
if( cur >= one_too_much )
|
|
{
|
|
return false; // STOP
|
|
}
|
|
else
|
|
{
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
else if( !strcmp( ide, "true" ) || !strcmp( ide, "false" ) ) // Bool const
|
|
{
|
|
delete [] ide;
|
|
|
|
styler.ColourTo( cur - 1, SCE_OPAL_BOOL_CONST );
|
|
if( cur >= one_too_much )
|
|
{
|
|
return false; // STOP
|
|
}
|
|
else
|
|
{
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
else // Unknown keyword
|
|
{
|
|
delete [] ide;
|
|
|
|
styler.ColourTo( cur - 1, SCE_OPAL_DEFAULT );
|
|
if( cur >= one_too_much )
|
|
{
|
|
return false; // STOP
|
|
}
|
|
else
|
|
{
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
inline bool HandleSkip( unsigned int & cur, unsigned int one_too_much, Accessor & styler )
|
|
{
|
|
cur++;
|
|
styler.ColourTo( cur - 1, SCE_OPAL_DEFAULT );
|
|
if( cur >= one_too_much )
|
|
{
|
|
return false; // STOP
|
|
}
|
|
else
|
|
{
|
|
styler.StartSegment( cur );
|
|
return true;
|
|
}
|
|
}
|
|
|
|
static void ColouriseOpalDoc( unsigned int startPos, int length, int initStyle, WordList *keywordlists[], Accessor & styler )
|
|
{
|
|
styler.StartAt( startPos );
|
|
styler.StartSegment( startPos );
|
|
|
|
unsigned int & cur = startPos;
|
|
const unsigned int one_too_much = startPos + length;
|
|
|
|
int state = initStyle;
|
|
|
|
for( ; ; )
|
|
{
|
|
switch( state )
|
|
{
|
|
case SCE_OPAL_KEYWORD:
|
|
case SCE_OPAL_SORT:
|
|
if( !HandleWord( cur, one_too_much, styler, keywordlists ) ) return;
|
|
state = SCE_OPAL_DEFAULT;
|
|
break;
|
|
|
|
case SCE_OPAL_INTEGER:
|
|
if( !HandleInteger( cur, one_too_much, styler ) ) return;
|
|
state = SCE_OPAL_DEFAULT;
|
|
break;
|
|
|
|
case SCE_OPAL_COMMENT_BLOCK:
|
|
if( !HandleCommentBlock( cur, one_too_much, styler, false ) ) return;
|
|
state = SCE_OPAL_DEFAULT;
|
|
break;
|
|
|
|
case SCE_OPAL_COMMENT_LINE:
|
|
if( !HandleCommentLine( cur, one_too_much, styler, false ) ) return;
|
|
state = SCE_OPAL_DEFAULT;
|
|
break;
|
|
|
|
case SCE_OPAL_STRING:
|
|
if( !HandleString( cur, one_too_much, styler ) ) return;
|
|
state = SCE_OPAL_DEFAULT;
|
|
break;
|
|
|
|
default: // SCE_OPAL_DEFAULT:
|
|
{
|
|
char ch = styler.SafeGetCharAt( cur );
|
|
|
|
switch( ch )
|
|
{
|
|
// String
|
|
case '"':
|
|
if( !HandleString( cur, one_too_much, styler ) ) return;
|
|
break;
|
|
|
|
// Comment block
|
|
case '/':
|
|
if( !HandleCommentBlock( cur, one_too_much, styler, true ) ) return;
|
|
break;
|
|
|
|
// Comment line
|
|
case '-':
|
|
if( !HandleCommentLine( cur, one_too_much, styler, true ) ) return;
|
|
break;
|
|
|
|
// Par
|
|
case '(':
|
|
case ')':
|
|
case '[':
|
|
case ']':
|
|
case '{':
|
|
case '}':
|
|
if( !HandlePar( cur, styler ) ) return;
|
|
break;
|
|
|
|
// Whitespace
|
|
case ' ':
|
|
case '\t':
|
|
case '\015':
|
|
case '\012':
|
|
if( !HandleSpace( cur, one_too_much, styler ) ) return;
|
|
break;
|
|
|
|
default:
|
|
{
|
|
// Integer
|
|
if( isdigit( ch ) )
|
|
{
|
|
if( !HandleInteger( cur, one_too_much, styler ) ) return;
|
|
}
|
|
|
|
// Keyword
|
|
else if( islower( ch ) || isupper( ch ) )
|
|
{
|
|
if( !HandleWord( cur, one_too_much, styler, keywordlists ) ) return;
|
|
|
|
}
|
|
|
|
// Skip
|
|
else
|
|
{
|
|
if( !HandleSkip( cur, one_too_much, styler ) ) return;
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const char * const opalWordListDesc[] = {
|
|
"Keywords",
|
|
"Sorts",
|
|
0
|
|
};
|
|
|
|
LexerModule lmOpal(SCLEX_OPAL, ColouriseOpalDoc, "opal", NULL, opalWordListDesc);
|