GARbro-mirror/Experimental/Artemis/IPT.Scanner.Generated.cs
morkt 14a94d20f1 (Experimental): implemented IPT composite images.
use LEX/YACC to parse IPT files.
2019-01-28 19:37:14 +04:00

714 lines
26 KiB
C#

//
// This CSharp output file generated by Gardens Point LEX
// Gardens Point LEX (GPLEX) is Copyright (c) John Gough, QUT 2006-2014.
// Output produced by GPLEX is the property of the user.
// See accompanying file GPLEXcopyright.rtf.
//
// GPLEX Version: 1.2.2
// GPLEX frame file <embedded resource>
//
// Option settings: verbose, parser, stack, minimize
// Option settings: compressNext, persistBuffer, noEmbedBuffers
//
//
// Revised backup code
// Version 1.2.1 of 24-June-2013
//
//
#define STACK
#define PERSIST
#define BYTEMODE
using System;
using System.IO;
using System.Text;
using System.Globalization;
using System.Collections.Generic;
using System.Runtime.Serialization;
using System.Diagnostics.CodeAnalysis;
using QUT.GplexBuffers;
namespace GameRes.Formats.Artemis
{
/// <summary>
/// Summary Canonical example of GPLEX automaton
/// </summary>
#if STANDALONE
//
// These are the dummy declarations for stand-alone GPLEX applications
// normally these declarations would come from the parser.
// If you declare /noparser, or %option noparser then you get this.
//
internal enum Token
{
EOF = 0, maxParseToken = int.MaxValue
// must have at least these two, values are almost arbitrary
}
internal abstract class ScanBase
{
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "yylex")]
[SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "yylex")]
public abstract int yylex();
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "yywrap")]
[SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "yywrap")]
protected virtual bool yywrap() { return true; }
#if BABEL
protected abstract int CurrentSc { get; set; }
// EolState is the 32-bit of state data persisted at
// the end of each line for Visual Studio colorization.
// The default is to return CurrentSc. You must override
// this if you want more complicated behavior.
public virtual int EolState {
get { return CurrentSc; }
set { CurrentSc = value; }
}
}
internal interface IColorScan
{
void SetSource(string source, int offset);
int GetNext(ref int state, out int start, out int end);
#endif // BABEL
}
#endif // STANDALONE
// If the compiler can't find the scanner base class maybe you
// need to run GPPG with the /gplex option, or GPLEX with /noparser
#if BABEL
internal sealed partial class IPTScanner : ScanBase, IColorScan
{
private ScanBuff buffer;
int currentScOrd; // start condition ordinal
protected override int CurrentSc
{
// The current start state is a property
// to try to avoid the user error of setting
// scState but forgetting to update the FSA
// start state "currentStart"
//
get { return currentScOrd; } // i.e. return YY_START;
set { currentScOrd = value; // i.e. BEGIN(value);
currentStart = startState[value]; }
}
#else // BABEL
internal sealed partial class IPTScanner : ScanBase
{
private ScanBuff buffer;
int currentScOrd; // start condition ordinal
#endif // BABEL
/// <summary>
/// The input buffer for this scanner.
/// </summary>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public ScanBuff Buffer { get { return buffer; } }
private static int GetMaxParseToken() {
System.Reflection.FieldInfo f = typeof(Token).GetField("maxParseToken");
return (f == null ? int.MaxValue : (int)f.GetValue(null));
}
static int parserMax = GetMaxParseToken();
enum Result {accept, noMatch, contextFound};
const int maxAccept = 8;
const int initial = 9;
const int eofNum = 0;
const int goStart = -1;
const int INITIAL = 0;
#region user code
#endregion user code
int state;
int currentStart = startState[0];
int code; // last code read
int cCol; // column number of code
int lNum; // current line number
//
// The following instance variables are used, among other
// things, for constructing the yylloc location objects.
//
int tokPos; // buffer position at start of token
int tokCol; // zero-based column number at start of token
int tokLin; // line number at start of token
int tokEPos; // buffer position at end of token
int tokECol; // column number at end of token
int tokELin; // line number at end of token
string tokTxt; // lazily constructed text of token
#if STACK
private Stack<int> scStack = new Stack<int>();
#endif // STACK
#region ScannerTables
struct Table {
public int min; public int rng; public int dflt;
public sbyte[] nxt;
public Table(int m, int x, int d, sbyte[] n) {
min = m; rng = x; dflt = d; nxt = n;
}
};
static int[] startState = new int[] {9, 0};
static Table[] NxS = new Table[12] {
/* NxS[ 0] */ new Table(0, 0, 0, null), // Shortest string ""
/* NxS[ 1] */ // Shortest string "\t"
new Table(9, 24, -1, new sbyte[] {1, 1, 1, 1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 1}),
/* NxS[ 2] */ new Table(0, 0, -1, null), // Shortest string ","
/* NxS[ 3] */ // Shortest string "0"
new Table(48, 10, -1, new sbyte[] {3, 3, 3, 3, 3, 3,
3, 3, 3, 3}),
/* NxS[ 4] */ new Table(0, 0, -1, null), // Shortest string "="
/* NxS[ 5] */ // Shortest string "A"
new Table(65, 58, -1, new sbyte[] {5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, -1, -1, -1, -1, -1, -1, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5}),
/* NxS[ 6] */ new Table(0, 0, -1, null), // Shortest string "{"
/* NxS[ 7] */ new Table(0, 0, -1, null), // Shortest string "}"
/* NxS[ 8] */ new Table(0, 0, -1, null), // Shortest string "\"\""
/* NxS[ 9] */ // Shortest string ""
new Table(9, 117, -1, new sbyte[] {1, 1, 1, 1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 1, -1, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, 2, -1, -1,
-1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, -1, -1, -1, 4, -1,
-1, -1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, -1, -1, -1, -1,
-1, -1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, -1, 7}),
/* NxS[ 10] */ // Shortest string "\""
new Table(10, 83, 10, new sbyte[] {-1, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 8, 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, 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, 10, 10, 10, 10, 10, 11}),
/* NxS[ 11] */ // Shortest string "\"\\"
new Table(10, 1, 10, new sbyte[] {-1}),
};
int NextState() {
if (code == ScanBuff.EndOfFile)
return eofNum;
else
unchecked {
int rslt;
int idx = (byte)(code - NxS[state].min);
if ((uint)idx >= (uint)NxS[state].rng) rslt = NxS[state].dflt;
else rslt = NxS[state].nxt[idx];
return rslt;
}
}
#endregion
#if BACKUP
// ==============================================================
// == Nested struct used for backup in automata that do backup ==
// ==============================================================
struct Context // class used for automaton backup.
{
public int bPos;
public int rPos; // scanner.readPos saved value
public int cCol;
public int lNum; // Need this in case of backup over EOL.
public int state;
public int cChr;
}
private Context ctx = new Context();
#endif // BACKUP
// ==============================================================
// ==== Nested struct to support input switching in scanners ====
// ==============================================================
struct BufferContext {
internal ScanBuff buffSv;
internal int chrSv;
internal int cColSv;
internal int lNumSv;
}
// ==============================================================
// ===== Private methods to save and restore buffer contexts ====
// ==============================================================
/// <summary>
/// This method creates a buffer context record from
/// the current buffer object, together with some
/// scanner state values.
/// </summary>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
BufferContext MkBuffCtx()
{
BufferContext rslt;
rslt.buffSv = this.buffer;
rslt.chrSv = this.code;
rslt.cColSv = this.cCol;
rslt.lNumSv = this.lNum;
return rslt;
}
/// <summary>
/// This method restores the buffer value and allied
/// scanner state from the given context record value.
/// </summary>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
void RestoreBuffCtx(BufferContext value)
{
this.buffer = value.buffSv;
this.code = value.chrSv;
this.cCol = value.cColSv;
this.lNum = value.lNumSv;
}
// =================== End Nested classes =======================
#if !NOFILES
internal IPTScanner(Stream file) {
SetSource(file); // no unicode option
}
#endif // !NOFILES
internal IPTScanner() { }
private int readPos;
void GetCode()
{
if (code == '\n') // This needs to be fixed for other conventions
// i.e. [\r\n\205\u2028\u2029]
{
cCol = -1;
lNum++;
}
readPos = buffer.Pos;
// Now read new codepoint.
code = buffer.Read();
if (code > ScanBuff.EndOfFile)
{
#if (!BYTEMODE)
if (code >= 0xD800 && code <= 0xDBFF)
{
int next = buffer.Read();
if (next < 0xDC00 || next > 0xDFFF)
code = ScanBuff.UnicodeReplacementChar;
else
code = (0x10000 + ((code & 0x3FF) << 10) + (next & 0x3FF));
}
#endif
cCol++;
}
}
void MarkToken()
{
#if (!PERSIST)
buffer.Mark();
#endif
tokPos = readPos;
tokLin = lNum;
tokCol = cCol;
}
void MarkEnd()
{
tokTxt = null;
tokEPos = readPos;
tokELin = lNum;
tokECol = cCol;
}
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
int Peek()
{
int rslt, codeSv = code, cColSv = cCol, lNumSv = lNum, bPosSv = buffer.Pos;
GetCode(); rslt = code;
lNum = lNumSv; cCol = cColSv; code = codeSv; buffer.Pos = bPosSv;
return rslt;
}
// ==============================================================
// ===== Initialization of string-based input buffers ====
// ==============================================================
/// <summary>
/// Create and initialize a StringBuff buffer object for this scanner
/// </summary>
/// <param name="source">the input string</param>
/// <param name="offset">starting offset in the string</param>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public void SetSource(string source, int offset)
{
this.buffer = ScanBuff.GetBuffer(source);
this.buffer.Pos = offset;
this.lNum = 0;
this.code = '\n'; // to initialize yyline, yycol and lineStart
GetCode();
}
// ================ LineBuffer Initialization ===================
/// <summary>
/// Create and initialize a LineBuff buffer object for this scanner
/// </summary>
/// <param name="source">the list of input strings</param>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public void SetSource(IList<string> source)
{
this.buffer = ScanBuff.GetBuffer(source);
this.code = '\n'; // to initialize yyline, yycol and lineStart
this.lNum = 0;
GetCode();
}
#if !NOFILES
// =============== StreamBuffer Initialization ==================
/// <summary>
/// Create and initialize a StreamBuff buffer object for this scanner.
/// StreamBuff is buffer for 8-bit byte files.
/// </summary>
/// <param name="source">the input byte stream</param>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public void SetSource(Stream source)
{
this.buffer = ScanBuff.GetBuffer(source);
this.lNum = 0;
this.code = '\n'; // to initialize yyline, yycol and lineStart
GetCode();
}
#if !BYTEMODE
// ================ TextBuffer Initialization ===================
/// <summary>
/// Create and initialize a TextBuff buffer object for this scanner.
/// TextBuff is a buffer for encoded unicode files.
/// </summary>
/// <param name="source">the input text file</param>
/// <param name="fallbackCodePage">Code page to use if file has
/// no BOM. For 0, use machine default; for -1, 8-bit binary</param>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public void SetSource(Stream source, int fallbackCodePage)
{
this.buffer = ScanBuff.GetBuffer(source, fallbackCodePage);
this.lNum = 0;
this.code = '\n'; // to initialize yyline, yycol and lineStart
GetCode();
}
#endif // !BYTEMODE
#endif // !NOFILES
// ==============================================================
#if BABEL
//
// Get the next token for Visual Studio
//
// "state" is the inout mode variable that maintains scanner
// state between calls, using the EolState property. In principle,
// if the calls of EolState are costly set could be called once
// only per line, at the start; and get called only at the end
// of the line. This needs more infrastructure ...
//
public int GetNext(ref int state, out int start, out int end)
{
Token next;
int s, e;
s = state; // state at start
EolState = state;
next = (Token)Scan();
state = EolState;
e = state; // state at end;
start = tokPos;
end = tokEPos - 1; // end is the index of last char.
return (int)next;
}
#endif // BABEL
// ======== AbstractScanner<> Implementation =========
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "yylex")]
[SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "yylex")]
public override int yylex()
{
// parserMax is set by reflecting on the Tokens
// enumeration. If maxParseToken is defined
// that is used, otherwise int.MaxValue is used.
int next;
do { next = Scan(); } while (next >= parserMax);
return next;
}
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
int yypos { get { return tokPos; } }
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
int yyline { get { return tokLin; } }
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
int yycol { get { return tokCol; } }
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "yytext")]
[SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "yytext")]
public string yytext
{
get
{
if (tokTxt == null)
tokTxt = buffer.GetString(tokPos, tokEPos);
return tokTxt;
}
}
/// <summary>
/// Discards all but the first "n" codepoints in the recognized pattern.
/// Resets the buffer position so that only n codepoints have been consumed;
/// yytext is also re-evaluated.
/// </summary>
/// <param name="n">The number of codepoints to consume</param>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
void yyless(int n)
{
buffer.Pos = tokPos;
// Must read at least one char, so set before start.
cCol = tokCol - 1;
GetCode();
// Now ensure that line counting is correct.
lNum = tokLin;
// And count the rest of the text.
for (int i = 0; i < n; i++) GetCode();
MarkEnd();
}
//
// It would be nice to count backward in the text
// but it does not seem possible to re-establish
// the correct column counts except by going forward.
//
/// <summary>
/// Removes the last "n" code points from the pattern.
/// </summary>
/// <param name="n">The number to remove</param>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
void _yytrunc(int n) { yyless(yyleng - n); }
//
// This is painful, but we no longer count
// codepoints. For the overwhelming majority
// of cases the single line code is fast, for
// the others, well, at least it is all in the
// buffer so no files are touched. Note that we
// can't use (tokEPos - tokPos) because of the
// possibility of surrogate pairs in the token.
//
/// <summary>
/// The length of the pattern in codepoints (not the same as
/// string-length if the pattern contains any surrogate pairs).
/// </summary>
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "yyleng")]
[SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "yyleng")]
public int yyleng
{
get {
if (tokELin == tokLin)
return tokECol - tokCol;
else
#if BYTEMODE
return tokEPos - tokPos;
#else
{
int ch;
int count = 0;
int save = buffer.Pos;
buffer.Pos = tokPos;
do {
ch = buffer.Read();
if (!char.IsHighSurrogate((char)ch)) count++;
} while (buffer.Pos < tokEPos && ch != ScanBuff.EndOfFile);
buffer.Pos = save;
return count;
}
#endif // BYTEMODE
}
}
// ============ methods available in actions ==============
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
internal int YY_START {
get { return currentScOrd; }
set { currentScOrd = value;
currentStart = startState[value];
}
}
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
internal void BEGIN(int next) {
currentScOrd = next;
currentStart = startState[next];
}
// ============== The main tokenizer code =================
int Scan() {
for (; ; ) {
int next; // next state to enter
#if LEFTANCHORS
for (;;) {
// Discard characters that do not start any pattern.
// Must check the left anchor condition after *every* GetCode!
state = ((cCol == 0) ? anchorState[currentScOrd] : currentStart);
if ((next = NextState()) != goStart) break; // LOOP EXIT HERE...
GetCode();
}
#else // !LEFTANCHORS
state = currentStart;
while ((next = NextState()) == goStart) {
// At this point, the current character has no
// transition from the current state. We discard
// the "no-match" char. In traditional LEX such
// characters are echoed to the console.
GetCode();
}
#endif // LEFTANCHORS
// At last, a valid transition ...
MarkToken();
state = next;
GetCode();
#if BACKUP
bool contextSaved = false;
while ((next = NextState()) > eofNum) { // Exit for goStart AND for eofNum
if (state <= maxAccept && next > maxAccept) { // need to prepare backup data
// Store data for the *latest* accept state that was found.
SaveStateAndPos( ref ctx );
contextSaved = true;
}
state = next;
GetCode();
}
if (state > maxAccept && contextSaved)
RestoreStateAndPos( ref ctx );
#else // BACKUP
while ((next = NextState()) > eofNum) { // Exit for goStart AND for eofNum
state = next;
GetCode();
}
#endif // BACKUP
if (state <= maxAccept) {
MarkEnd();
#region ActionSwitch
#pragma warning disable 162, 1522
switch (state)
{
case eofNum:
if (yywrap())
return (int)Token.EOF;
break;
case 1: // Recognized '{Space}+', Shortest string "\t"
/* skip */
break;
case 2: // Recognized '","', Shortest string ","
return ',';
break;
case 3: // Recognized '{Number}', Shortest string "0"
GetNumber(); return (int)Token.NUMBER;
break;
case 4: // Recognized '"="', Shortest string "="
return '=';
break;
case 5: // Recognized '[a-zA-Z]+', Shortest string "A"
yylval.s = yytext; return (int)Token.IDENTIFIER;
break;
case 6: // Recognized '"{"', Shortest string "{"
return '{';
break;
case 7: // Recognized '"}"', Shortest string "}"
return '}';
break;
case 8: // Recognized '\"(\\.|[^\\"\n])*\"', Shortest string "\"\""
GetStringLiteral(); return (int)Token.STRING_LITERAL;
break;
default:
break;
}
#pragma warning restore 162, 1522
#endregion
}
}
}
#if BACKUP
void SaveStateAndPos(ref Context ctx) {
ctx.bPos = buffer.Pos;
ctx.rPos = readPos;
ctx.cCol = cCol;
ctx.lNum = lNum;
ctx.state = state;
ctx.cChr = code;
}
void RestoreStateAndPos(ref Context ctx) {
buffer.Pos = ctx.bPos;
readPos = ctx.rPos;
cCol = ctx.cCol;
lNum = ctx.lNum;
state = ctx.state;
code = ctx.cChr;
}
#endif // BACKUP
// ============= End of the tokenizer code ================
#if STACK
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
internal void yy_clear_stack() { scStack.Clear(); }
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
internal int yy_top_state() { return scStack.Peek(); }
internal void yy_push_state(int state)
{
scStack.Push(currentScOrd);
BEGIN(state);
}
internal void yy_pop_state()
{
// Protect against input errors that pop too far ...
if (scStack.Count > 0) {
int newSc = scStack.Pop();
BEGIN(newSc);
} // Otherwise leave stack unchanged.
}
#endif // STACK
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
internal void ECHO() { Console.Out.Write(yytext); }
} // end class $Scanner
} // end namespace