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CWE-ou-minkata/MOULOpenSourceClientPlugin/StaticSDKs/Win32/Scintilla/src/LexSmalltalk.cxx

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// Scintilla source code edit control
/** @file LexSmalltalk.cxx
** Lexer for Smalltalk language.
** Written by Sergey Philippov, sphilippov-at-gmail-dot-com
**/
// Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "Platform.h"
#include "PropSet.h"
#include "Accessor.h"
#include "StyleContext.h"
#include "KeyWords.h"
#include "Scintilla.h"
#include "SciLexer.h"
/*
| lexTable classificationBlock charClasses |
charClasses := #(#DecDigit #Letter #Special #Upper #BinSel).
lexTable := ByteArray new: 128.
classificationBlock := [ :charClass :chars |
| flag |
flag := 1 bitShift: (charClasses indexOf: charClass) - 1.
chars do: [ :char | lexTable at: char codePoint + 1 put: ((lexTable at: char codePoint + 1) bitOr: flag)]].
classificationBlock
value: #DecDigit value: '0123456789';
value: #Letter value: '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
value: #Special value: '()[]{};.^:';
value: #BinSel value: '~@%&*-+=|\/,<>?!';
value: #Upper value: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
((String new: 500) streamContents: [ :stream |
stream crLf; nextPutAll: 'static int ClassificationTable[256] = {'.
lexTable keysAndValuesDo: [ :index :value |
((index - 1) rem: 16) == 0 ifTrue: [
stream crLf; tab]
ifFalse: [
stream space].
stream print: value.
index ~= 256 ifTrue: [
stream nextPut: $,]].
stream crLf; nextPutAll: '};'; crLf.
charClasses keysAndValuesDo: [ :index :name |
stream
crLf;
nextPutAll: (
('static inline bool is<1s>(int ch) {return (ch > 0) && (ch %< 0x80) && ((ClassificationTable[ch] & <2p>) != 0);}')
expandMacrosWith: name with: (1 bitShift: (index - 1)))
]]) edit
*/
// autogenerated {{{{
static int ClassificationTable[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 16, 0, 0, 0, 16, 16, 0, 4, 4, 16, 16, 16, 16, 4, 16,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 16, 16, 16, 16,
16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 16, 4, 4, 2,
0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 16, 4, 16, 0,
};
static inline bool isDecDigit(int ch) {return (ch > 0) && (ch < 0x80) && ((ClassificationTable[ch] & 1) != 0);}
static inline bool isLetter(int ch) {return (ch > 0) && (ch < 0x80) && ((ClassificationTable[ch] & 2) != 0);}
static inline bool isSpecial(int ch) {return (ch > 0) && (ch < 0x80) && ((ClassificationTable[ch] & 4) != 0);}
static inline bool isUpper(int ch) {return (ch > 0) && (ch < 0x80) && ((ClassificationTable[ch] & 8) != 0);}
static inline bool isBinSel(int ch) {return (ch > 0) && (ch < 0x80) && ((ClassificationTable[ch] & 16) != 0);}
// autogenerated }}}}
static inline bool isAlphaNumeric(int ch) {
return isDecDigit(ch) || isLetter(ch);
}
static inline bool isDigitOfRadix(int ch, int radix)
{
if (isDecDigit(ch))
return (ch - '0') < radix;
else if (!isUpper(ch))
return false;
else
return (ch - 'A' + 10) < radix;
}
static inline void skipComment(StyleContext& sc)
{
while (sc.More() && sc.ch != '\"')
sc.Forward();
}
static inline void skipString(StyleContext& sc)
{
while (sc.More()) {
if (sc.ch == '\'') {
if (sc.chNext != '\'')
return;
sc.Forward();
}
sc.Forward();
}
}
static void handleHash(StyleContext& sc)
{
if (isSpecial(sc.chNext)) {
sc.SetState(SCE_ST_SPECIAL);
return;
}
sc.SetState(SCE_ST_SYMBOL);
sc.Forward();
if (sc.ch == '\'') {
sc.Forward();
skipString(sc);
}
else {
if (isLetter(sc.ch)) {
while (isAlphaNumeric(sc.chNext) || sc.chNext == ':')
sc.Forward();
}
else if (isBinSel(sc.ch)) {
while (isBinSel(sc.chNext))
sc.Forward();
}
}
}
static inline void handleSpecial(StyleContext& sc)
{
if (sc.ch == ':' && sc.chNext == '=') {
sc.SetState(SCE_ST_ASSIGN);
sc.Forward();
}
else {
if (sc.ch == '^')
sc.SetState(SCE_ST_RETURN);
else
sc.SetState(SCE_ST_SPECIAL);
}
}
static inline void skipInt(StyleContext& sc, int radix)
{
while (isDigitOfRadix(sc.chNext, radix))
sc.Forward();
}
static void handleNumeric(StyleContext& sc)
{
char num[256];
int nl;
int radix;
sc.SetState(SCE_ST_NUMBER);
num[0] = static_cast<char>(sc.ch);
nl = 1;
while (isDecDigit(sc.chNext)) {
num[nl++] = static_cast<char>(sc.chNext);
sc.Forward();
if (nl+1 == sizeof(num)/sizeof(num[0])) // overrun check
break;
}
if (sc.chNext == 'r') {
num[nl] = 0;
if (num[0] == '-')
radix = atoi(num + 1);
else
radix = atoi(num);
sc.Forward();
if (sc.chNext == '-')
sc.Forward();
skipInt(sc, radix);
}
else
radix = 10;
if (sc.chNext != '.' || !isDigitOfRadix(sc.GetRelative(2), radix))
return;
sc.Forward();
skipInt(sc, radix);
if (sc.chNext == 's') {
// ScaledDecimal
sc.Forward();
while (isDecDigit(sc.chNext))
sc.Forward();
return;
}
else if (sc.chNext != 'e' && sc.chNext != 'd' && sc.chNext != 'q')
return;
sc.Forward();
if (sc.chNext == '+' || sc.chNext == '-')
sc.Forward();
skipInt(sc, radix);
}
static inline void handleBinSel(StyleContext& sc)
{
sc.SetState(SCE_ST_BINARY);
while (isBinSel(sc.chNext))
sc.Forward();
}
static void handleLetter(StyleContext& sc, WordList* specialSelectorList)
{
char ident[256];
int il;
int state;
bool doubleColonPresent;
sc.SetState(SCE_ST_DEFAULT);
ident[0] = static_cast<char>(sc.ch);
il = 1;
while (isAlphaNumeric(sc.chNext)) {
ident[il++] = static_cast<char>(sc.chNext);
sc.Forward();
if (il+2 == sizeof(ident)/sizeof(ident[0])) // overrun check
break;
}
if (sc.chNext == ':') {
doubleColonPresent = true;
ident[il++] = ':';
sc.Forward();
}
else
doubleColonPresent = false;
ident[il] = 0;
if (specialSelectorList->InList(ident))
state = SCE_ST_SPEC_SEL;
else if (doubleColonPresent)
state = SCE_ST_KWSEND;
else if (isUpper(ident[0]))
state = SCE_ST_GLOBAL;
else {
if (!strcmp(ident, "self"))
state = SCE_ST_SELF;
else if (!strcmp(ident, "super"))
state = SCE_ST_SUPER;
else if (!strcmp(ident, "nil"))
state = SCE_ST_NIL;
else if (!strcmp(ident, "true") || !strcmp(ident, "false"))
state = SCE_ST_BOOL;
else
state = SCE_ST_DEFAULT;
}
sc.ChangeState(state);
}
static void colorizeSmalltalkDoc(unsigned int startPos, int length, int initStyle, WordList *wordLists[], Accessor &styler)
{
StyleContext sc(startPos, length, initStyle, styler);
if (initStyle == SCE_ST_COMMENT) {
skipComment(sc);
if (sc.More())
sc.Forward();
}
else if (initStyle == SCE_ST_STRING) {
skipString(sc);
if (sc.More())
sc.Forward();
}
for (; sc.More(); sc.Forward()) {
int ch;
ch = sc.ch;
if (ch == '\"') {
sc.SetState(SCE_ST_COMMENT);
sc.Forward();
skipComment(sc);
}
else if (ch == '\'') {
sc.SetState(SCE_ST_STRING);
sc.Forward();
skipString(sc);
}
else if (ch == '#')
handleHash(sc);
else if (ch == '$') {
sc.SetState(SCE_ST_CHARACTER);
sc.Forward();
}
else if (isSpecial(ch))
handleSpecial(sc);
else if (isDecDigit(ch))
handleNumeric(sc);
else if (isLetter(ch))
handleLetter(sc, wordLists[0]);
else if (isBinSel(ch)) {
if (ch == '-' && isDecDigit(sc.chNext))
handleNumeric(sc);
else
handleBinSel(sc);
}
else
sc.SetState(SCE_ST_DEFAULT);
}
sc.Complete();
}
static const char* const smalltalkWordListDesc[] = {
"Special selectors",
0
};
LexerModule lmSmalltalk(SCLEX_SMALLTALK, colorizeSmalltalkDoc, "smalltalk", NULL, smalltalkWordListDesc);