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Jindra Petřík
2021-01-23 19:10:47 +01:00
parent 35bbf44c7f
commit 550307e3fe
14 changed files with 3619 additions and 70 deletions
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252
libsrc/ffdec_lib/lexers/actionscript3_pcode_hilight.flex Normal file
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/* Flash assembler language lexer specification */
package com.jpexs.decompiler.flash.exporters.script.graphviz;
%%
%public
%class Flasm3Lexer
%extends AbstractLexer
%final
%unicode
%ignorecase
%char
%type Token
%{
StringBuilder string = new StringBuilder();
boolean isMultiname=false;
/**
* Create an empty lexer, yyrset will be called later to reset and assign
* the reader
*/
public Flasm3Lexer() {
super();
}
@Override
public int yychar() {
return yychar;
}
private static final byte PARAN = 1;
private static final byte BRACKET = 2;
private static final byte LESSGREATER = 3;
%}
/* main character classes */
LineTerminator = \r|\n|\r\n
WhiteSpace = [ \t\f]+
Multiname = m\[[0-9]+\]
/* identifiers */
Identifier = [:jletter:][:jletterdigit:]*
InstructionName = [:jletter:][:jletterdigit:]*
Label = {Identifier}:
/* integer literals */
NumberLiteral = 0 | -?[1-9][0-9]*
PositiveNumberLiteral = 0 | [1-9][0-9]*
/* floating point literals */
FloatLiteral = -?({FLit1}|{FLit2}|{FLit3}) {Exponent}?
FLit1 = [0-9]+ \. [0-9]*
FLit2 = \. [0-9]+
FLit3 = [0-9]+
Exponent = [eE] [+-]? [0-9]+
OctDigit = [0-7]
InputCharacter = [^\r\n]
Comment = ";" {InputCharacter}* {LineTerminator}?
/* string and character literals */
StringCharacter = [^\r\n\"\\]
ExceptionStart = "exceptionstart"{PositiveNumberLiteral}":"
ExceptionEnd = "exceptionend "{PositiveNumberLiteral}":"
ExceptionTarget = "exceptiontarget "{PositiveNumberLiteral}":"
%state STRING,PARAMETERS
%%
<YYINITIAL> {
/* whitespace */
{WhiteSpace} { return token(TokenType.WHITESPACE); }
{ExceptionStart} {
return token(TokenType.KEYWORD);
}
{ExceptionEnd} {
return token(TokenType.KEYWORD);
}
{ExceptionTarget} {
return token(TokenType.KEYWORD);
}
{Label} {return token(TokenType.IDENTIFIER,yychar,yylength()); }
":" {return token(TokenType.OPERATOR);}
"try" |
"flag" |
"param" |
"paramname" |
"optional" |
"returns" |
"body" |
"maxstack" |
"localcount" |
"initscopedepth" |
"maxscopedepth" |
"name" |
"trait" |
"method" |
"code" { yybegin(PARAMETERS);
return token(TokenType.KEYWORD);}
/* identifiers */
{InstructionName} { yybegin(PARAMETERS);
return token(TokenType.KEYWORD); }
{Comment} {return token(TokenType.COMMENT);}
}
<PARAMETERS> {
{WhiteSpace} { return token(TokenType.WHITESPACE); }
"from" |
"to" |
"target" |
"name" |
"type" { return token(TokenType.KEYWORD);}
/* multinames */
"QName" |
"QNameA" |
"RTQName" |
"RTQNameA" |
"RTQNameL" |
"RTQNameLA" |
"Multiname" |
"MultinameL" |
"MultinameLA" |
"TypeName" |
"null" { return token(TokenType.KEYWORD2);}
"(" { return token(TokenType.OPERATOR,PARAN); }
")" { return token(TokenType.OPERATOR,-PARAN); }
"[" { return token(TokenType.OPERATOR,BRACKET); }
"]" { return token(TokenType.OPERATOR,-BRACKET); }
"<" { return token(TokenType.OPERATOR,LESSGREATER); }
">" { return token(TokenType.OPERATOR,-LESSGREATER); }
"Namespace" |
"PrivateNamespace" |
"PackageNamespace" |
"PackageInternalNs" |
"ProtectedNamespace" |
"ExplicitNamespace" |
"StaticProtectedNs" { return token(TokenType.KEYWORD2);}
"," { return token(TokenType.OPERATOR); }
":" { return token(TokenType.OPERATOR); }
/*Flags*/
"EXPLICIT" |
"HAS_OPTIONAL" |
"HAS_PARAM_NAMES" |
"IGNORE_REST" |
"NEED_ACTIVATION" |
"NEED_ARGUMENTS" |
"NEED_REST" |
"SET_DXNS" { return token(TokenType.KEYWORD2);}
"dispid" |
"value" |
"slotid" { return token(TokenType.KEYWORD);}
/* Value types*/
"Integer" |
"UInteger" |
"Double" |
"Decimal" |
"Utf8" |
"True" |
"False" |
"Undefined" { return token(TokenType.KEYWORD2);}
"FINAL" |
"OVERRIDE" |
"METADATA" { return token(TokenType.KEYWORD2);}
"slot" |
"const" |
"method" |
"getter" |
"setter" |
"class" |
"function" { return token(TokenType.KEYWORD2);}
/* string literal */
\" {
yybegin(STRING);
tokenStart = yychar;
tokenLength = 1;
isMultiname=false;
}
{Multiname}\" {
isMultiname=true;
yybegin(STRING);
tokenStart = yychar;
tokenLength = yylength(); }
/* numeric literals */
{NumberLiteral} { return token(TokenType.NUMBER); }
{FloatLiteral} { return token(TokenType.NUMBER); }
{Identifier} { return token(TokenType.IDENTIFIER); }
{LineTerminator} {yybegin(YYINITIAL); return token(TokenType.NEWLINE);}
{Comment} {yybegin(YYINITIAL); return token(TokenType.COMMENT);}
}
<STRING> {
\" {
yybegin(PARAMETERS);
// length also includes the trailing quote
if(isMultiname){
return token(TokenType.IDENTIFIER, tokenStart, tokenLength + 1);//multiname
}else{
return token(TokenType.STRING, tokenStart, tokenLength + 1);
}
}
{StringCharacter}+ { tokenLength += yylength(); }
\\[0-3]?{OctDigit}?{OctDigit} { tokenLength += yylength(); }
/* escape sequences */
\\. { tokenLength += 2; }
{LineTerminator} { yybegin(YYINITIAL);
return token(TokenType.ERROR,tokenStart, tokenLength);}
}
/* error fallback */
[^] { }
<<EOF>> { return null; }