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-rw-r--r--src/java/com/sun/gluegen/cgram/GnuCParser.g865
1 files changed, 0 insertions, 865 deletions
diff --git a/src/java/com/sun/gluegen/cgram/GnuCParser.g b/src/java/com/sun/gluegen/cgram/GnuCParser.g
deleted file mode 100644
index e087a5c..0000000
--- a/src/java/com/sun/gluegen/cgram/GnuCParser.g
+++ /dev/null
@@ -1,865 +0,0 @@
-/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
- Copyright (c) Non, Inc. 1998 -- All Rights Reserved
-
-PROJECT: C Compiler
-MODULE: GnuCParser
-FILE: GnuCParser.g
-
-AUTHOR: Monty Zukowski ([email protected]) April 28, 1998
-
-DESCRIPTION:
- This is a grammar for the GNU C compiler. It is a
- grammar subclass of StdCParser, overriding only those
- rules which are different from Standard C.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
-
-
-header {
- package com.sun.gluegen.cgram;
-
- import java.io.*;
-
- import antlr.CommonAST;
- import antlr.DumpASTVisitor;
-}
-
-
-class GnuCParser extends StdCParser;
-
-options
- {
- k = 2;
- exportVocab = GNUC;
- buildAST = true;
- ASTLabelType = "TNode";
-
- // Copied following options from java grammar.
- codeGenMakeSwitchThreshold = 2;
- codeGenBitsetTestThreshold = 3;
- }
-
-
-{
- // Suppport C++-style single-line comments?
- public static boolean CPPComments = true;
-
- // access to symbol table
- public CSymbolTable symbolTable = new CSymbolTable();
-
- // source for names to unnamed scopes
- protected int unnamedScopeCounter = 0;
-
- public boolean isTypedefName(String name) {
- boolean returnValue = false;
- TNode node = symbolTable.lookupNameInCurrentScope(name);
- for (; node != null; node = (TNode) node.getNextSibling() ) {
- if(node.getType() == LITERAL_typedef) {
- returnValue = true;
- break;
- }
- }
- return returnValue;
- }
-
-
- public String getAScopeName() {
- return "" + (unnamedScopeCounter++);
- }
-
- public void pushScope(String scopeName) {
- symbolTable.pushScope(scopeName);
- }
-
- public void popScope() {
- symbolTable.popScope();
- }
-
- int traceDepth = 0;
- public void reportError(RecognitionException ex) {
- try {
- System.err.println("ANTLR Parsing Error: "+ex + " token name:" + tokenNames[LA(1)]);
- ex.printStackTrace(System.err);
- }
- catch (TokenStreamException e) {
- System.err.println("ANTLR Parsing Error: "+ex);
- ex.printStackTrace(System.err);
- }
- }
- public void reportError(String s) {
- System.err.println("ANTLR Parsing Error from String: " + s);
- }
- public void reportWarning(String s) {
- System.err.println("ANTLR Parsing Warning from String: " + s);
- }
- public void match(int t) throws MismatchedTokenException {
- boolean debugging = false;
-
- if ( debugging ) {
- for (int x=0; x<traceDepth; x++) System.out.print(" ");
- try {
- System.out.println("Match("+tokenNames[t]+") with LA(1)="+
- tokenNames[LA(1)] + ((inputState.guessing>0)?" [inputState.guessing "+ inputState.guessing + "]":""));
- }
- catch (TokenStreamException e) {
- System.out.println("Match("+tokenNames[t]+") " + ((inputState.guessing>0)?" [inputState.guessing "+ inputState.guessing + "]":""));
-
- }
-
- }
- try {
- if ( LA(1)!=t ) {
- if ( debugging ){
- for (int x=0; x<traceDepth; x++) System.out.print(" ");
- System.out.println("token mismatch: "+tokenNames[LA(1)]
- + "!="+tokenNames[t]);
- }
- throw new MismatchedTokenException(tokenNames, LT(1), t, false, getFilename());
-
- } else {
- // mark token as consumed -- fetch next token deferred until LA/LT
- consume();
- }
- }
- catch (TokenStreamException e) {
- }
-
- }
- public void traceIn(String rname) {
- traceDepth += 1;
- for (int x=0; x<traceDepth; x++) System.out.print(" ");
- try {
- System.out.println("> "+rname+"; LA(1)==("+ tokenNames[LT(1).getType()]
- + ") " + LT(1).getText() + " [inputState.guessing "+ inputState.guessing + "]");
- }
- catch (TokenStreamException e) {
- }
- }
- public void traceOut(String rname) {
- for (int x=0; x<traceDepth; x++) System.out.print(" ");
- try {
- System.out.println("< "+rname+"; LA(1)==("+ tokenNames[LT(1).getType()]
- + ") "+LT(1).getText() + " [inputState.guessing "+ inputState.guessing + "]");
- }
- catch (TokenStreamException e) {
- }
- traceDepth -= 1;
- }
-
-}
-
-
-translationUnit
- : ( externalList )? /* Empty source files are allowed. */
- ;
-asm_expr
- : "asm"^
- ("volatile")? LCURLY expr RCURLY ( SEMI )+
- ;
-
-idList
- : ID ( options{warnWhenFollowAmbig=false;}: COMMA ID )*
- ;
-
-externalDef
- : ( "typedef" | declaration )=> declaration
- | ( functionPrefix )=> functionDef
- | typelessDeclaration
- | asm_expr
- | SEMI
- ;
-
-/* these two are here because GCC allows "cat = 13;" as a valid program! */
-functionPrefix
- { String declName; }
- : ( (functionDeclSpecifiers)=> ds:functionDeclSpecifiers
- | //epsilon
- )
- declName = d:declarator[true]
- ( declaration )* (VARARGS)? ( SEMI )*
- LCURLY
- ;
-
-typelessDeclaration
- { AST typeMissing = #[NTypeMissing]; }
- : initDeclList[typeMissing] SEMI { ## = #( #[NTypeMissing], ##); }
- ;
-
-initializer
- : ( ( ( (initializerElementLabel)=> initializerElementLabel )?
- ( assignExpr | lcurlyInitializer ) { ## = #( #[NInitializer], ## ); }
- )
- | lcurlyInitializer
- )
- ;
-
-// GCC allows more specific initializers
-initializerElementLabel
- : ( ( LBRACKET ((constExpr VARARGS)=> rangeExpr | constExpr) RBRACKET (ASSIGN)? )
- | ID COLON
- | DOT ID ASSIGN
- )
- { ## = #( #[NInitializerElementLabel], ##) ; }
- ;
-
-// GCC allows empty initializer lists
-lcurlyInitializer
- :
- LCURLY^ (initializerList ( COMMA! )? )? RCURLY
- { ##.setType( NLcurlyInitializer ); }
- ;
-
-initializerList
- : initializer ( options{warnWhenFollowAmbig=false;}:COMMA! initializer )*
- ;
-
-
-declarator[boolean isFunctionDefinition] returns [String declName]
- { declName = ""; }
- :
- ( pointerGroup )?
-
- ( id:ID { declName = id.getText(); }
- | LPAREN declName = declarator[false] RPAREN
- )
-
- ( declaratorParamaterList[isFunctionDefinition, declName]
- | LBRACKET ( expr )? RBRACKET
- )*
- { ## = #( #[NDeclarator], ## ); }
- ;
-
-declaratorParamaterList[boolean isFunctionDefinition, String declName]
- :
- LPAREN^
- {
- if (isFunctionDefinition) {
- pushScope(declName);
- }
- else {
- pushScope("!"+declName);
- }
- }
- (
- (declSpecifiers)=> parameterTypeList
- | (idList)?
- )
- {
- popScope();
- }
- ( COMMA! )?
- RPAREN
- { ##.setType(NParameterTypeList); }
- ;
-
-parameterTypeList
- : parameterDeclaration
- ( options {
- warnWhenFollowAmbig = false;
- } :
- ( COMMA | SEMI )
- parameterDeclaration
- )*
- ( ( COMMA | SEMI )
- VARARGS
- )?
- ;
-
-
-declarationList
- : ( options { // this loop properly aborts when
- // it finds a non-typedefName ID MBZ
- warnWhenFollowAmbig = false;
- } :
-
- localLabelDeclaration
- | ( declarationPredictor )=> declaration
- )+
- ;
-localLabelDeclaration
- : ( //GNU note: any __label__ declarations must come before regular declarations.
- "__label__"^ ID (options{warnWhenFollowAmbig=false;}: COMMA! ID)* ( COMMA! )? ( SEMI! )+
- )
- ;
-
-
-declaration
- { AST ds1 = null; }
- : ds:declSpecifiers { ds1 = astFactory.dupList(#ds); }
- (
- initDeclList[ds1]
- )?
- ( SEMI )+
- { ## = #( #[NDeclaration], ##); }
-
- ;
-
-functionStorageClassSpecifier
- : "extern"
- | "static"
- | "inline"
- ;
-
-typeSpecifier [int specCount] returns [int retSpecCount]
- { retSpecCount = specCount + 1; }
- :
- ( "void"
- | "char"
- | "short"
- | "int"
- | "__int32"
- | "__int64"
- | "long"
- | "float"
- | "double"
- | "signed"
- | "unsigned"
- | structOrUnionSpecifier ( options{warnWhenFollowAmbig=false;}: attributeDecl )*
- | enumSpecifier
- | { specCount==0 }? typedefName
- | "typeof"^ LPAREN
- ( ( typeName )=> typeName
- | expr
- )
- RPAREN
- | "__complex"
- )
- ;
-
-
-structOrUnionSpecifier
- { String scopeName; }
- : sou:structOrUnion!
- ( ( ID LCURLY )=> i:ID l:LCURLY
- {
- scopeName = #sou.getText() + " " + #i.getText();
- #l.setText(scopeName);
- pushScope(scopeName);
- }
- ( structDeclarationList )?
- { popScope();}
- RCURLY
- | l1:LCURLY
- {
- scopeName = getAScopeName();
- #l1.setText(scopeName);
- pushScope(scopeName);
- }
- ( structDeclarationList )?
- { popScope(); }
- RCURLY
- | ID
- )
- {
- ## = #( #sou, ## );
- }
- ;
-
-
-structDeclaration
- : specifierQualifierList structDeclaratorList ( COMMA! )? ( SEMI! )+
- ;
-
-structDeclaratorList
- : structDeclarator ( options{warnWhenFollowAmbig=false;}: COMMA! structDeclarator )*
- ;
-
-structDeclarator
- : ( declarator[false] )?
- ( COLON constExpr )?
- ( attributeDecl )*
- { ## = #( #[NStructDeclarator], ##); }
- ;
-
-
-
-enumSpecifier
- : "enum"^
- ( ( ID LCURLY )=> i:ID LCURLY enumList[i.getText()] RCURLY
- | LCURLY enumList["anonymous"] RCURLY
- | ID
- )
- ;
-enumList[String enumName]
- : enumerator[enumName] ( options{warnWhenFollowAmbig=false;}: COMMA! enumerator[enumName] )* ( COMMA! )?
- ;
-
-
-initDeclList[AST declarationSpecifiers]
- : initDecl[declarationSpecifiers]
- ( options{warnWhenFollowAmbig=false;}: COMMA! initDecl[declarationSpecifiers] )*
- ( COMMA! )?
- ;
-
-initDecl[AST declarationSpecifiers]
- { String declName = ""; }
- : declName = d:declarator[false]
- { AST ds1, d1;
- ds1 = astFactory.dupList(declarationSpecifiers);
- d1 = astFactory.dupList(#d);
- symbolTable.add(declName, #(null, ds1, d1) );
- }
- ( attributeDecl )*
- ( ASSIGN initializer
- | COLON expr
- )?
- { ## = #( #[NInitDecl], ## ); }
- ;
-
-attributeDecl
- : "__attribute"^ LPAREN LPAREN attributeList RPAREN RPAREN
- | "asm"^ LPAREN stringConst RPAREN { ##.setType( NAsmAttribute ); }
- ;
-
-attributeList
- : attribute ( options{warnWhenFollowAmbig=false;}: COMMA attribute)* ( COMMA )?
- ;
-
-attribute
- : ( ~(LPAREN | RPAREN | COMMA)
- | LPAREN attributeList RPAREN
- )*
- ;
-compoundStatement[String scopeName]
- : LCURLY^
-
- {
- pushScope(scopeName);
- }
- ( //this ambiguity is ok, declarationList and nestedFunctionDef end properly
- options {
- warnWhenFollowAmbig = false;
- } :
- ( "typedef" | "__label__" | declaration )=> declarationList
- | (nestedFunctionDef)=> nestedFunctionDef
- )*
- ( statementList )?
- { popScope(); }
- RCURLY
- { ##.setType( NCompoundStatement ); ##.setAttribute( "scopeName", scopeName ); }
- ;
-
-nestedFunctionDef
- { String declName; }
- : ( "auto" )? //only for nested functions
- ( (functionDeclSpecifiers)=> ds:functionDeclSpecifiers
- )?
- declName = d:declarator[false]
- {
- AST d2, ds2;
- d2 = astFactory.dupList(#d);
- ds2 = astFactory.dupList(#ds);
- symbolTable.add(declName, #(null, ds2, d2));
- pushScope(declName);
- }
- ( declaration )*
- { popScope(); }
- compoundStatement[declName]
- { ## = #( #[NFunctionDef], ## );}
- ;
-
-statement
- : SEMI // Empty statements
-
- | compoundStatement[getAScopeName()] // Group of statements
-
- | expr SEMI! { ## = #( #[NStatementExpr], ## );} // Expressions
-
-// Iteration statements:
-
- | "while"^ LPAREN! expr RPAREN! statement
- | "do"^ statement "while"! LPAREN! expr RPAREN! SEMI!
- |! "for"
- LPAREN ( e1:expr )? SEMI ( e2:expr )? SEMI ( e3:expr )? RPAREN
- s:statement
- {
- if ( #e1 == null) { #e1 = (TNode) #[ NEmptyExpression ]; }
- if ( #e2 == null) { #e2 = (TNode) #[ NEmptyExpression ]; }
- if ( #e3 == null) { #e3 = (TNode) #[ NEmptyExpression ]; }
- ## = #( #[LITERAL_for, "for"], #e1, #e2, #e3, #s );
- }
-
-
-// Jump statements:
-
- | "goto"^ expr SEMI!
- | "continue" SEMI!
- | "break" SEMI!
- | "return"^ ( expr )? SEMI!
-
-
- | ID COLON! (options {warnWhenFollowAmbig=false;}: statement)? { ## = #( #[NLabel], ## ); }
-// GNU allows range expressions in case statements
- | "case"^ ((constExpr VARARGS)=> rangeExpr | constExpr) COLON! ( options{warnWhenFollowAmbig=false;}:statement )?
- | "default"^ COLON! ( options{warnWhenFollowAmbig=false;}: statement )?
-
-// Selection statements:
-
- | "if"^
- LPAREN! expr RPAREN! statement
- ( //standard if-else ambiguity
- options {
- warnWhenFollowAmbig = false;
- } :
- "else" statement )?
- | "switch"^ LPAREN! expr RPAREN! statement
- ;
-
-
-
-conditionalExpr
- : logicalOrExpr
- ( QUESTION^ (expr)? COLON conditionalExpr )?
- ;
-
-rangeExpr //used in initializers only
- : constExpr VARARGS constExpr
- { ## = #(#[NRangeExpr], ##); }
- ;
-
-castExpr
- : ( LPAREN typeName RPAREN )=>
- LPAREN^ typeName RPAREN ( castExpr | lcurlyInitializer )
- { ##.setType(NCast); }
-
- | unaryExpr
- ;
-nonemptyAbstractDeclarator
- : (
- pointerGroup
- ( (LPAREN
- ( nonemptyAbstractDeclarator
- | parameterTypeList
- )?
- ( COMMA! )?
- RPAREN)
- | (LBRACKET (expr)? RBRACKET)
- )*
-
- | ( (LPAREN
- ( nonemptyAbstractDeclarator
- | parameterTypeList
- )?
- ( COMMA! )?
- RPAREN)
- | (LBRACKET (expr)? RBRACKET)
- )+
- )
- { ## = #( #[NNonemptyAbstractDeclarator], ## ); }
-
- ;
-
-
-
-unaryExpr
- : postfixExpr
- | INC^ castExpr
- | DEC^ castExpr
- | u:unaryOperator castExpr { ## = #( #[NUnaryExpr], ## ); }
-
- | "sizeof"^
- ( ( LPAREN typeName )=> LPAREN typeName RPAREN
- | unaryExpr
- )
- | "__alignof"^
- ( ( LPAREN typeName )=> LPAREN typeName RPAREN
- | unaryExpr
- )
- | gnuAsmExpr
- ;
-
-unaryOperator
- : BAND
- | STAR
- | PLUS
- | MINUS
- | BNOT //also stands for complex conjugation
- | LNOT
- | LAND //for label dereference (&&label)
- | "__real"
- | "__imag"
- ;
-
-gnuAsmExpr
- : "asm"^ ("volatile")?
- LPAREN stringConst
- ( options { warnWhenFollowAmbig = false; }:
- COLON (strOptExprPair ( COMMA strOptExprPair)* )?
- ( options { warnWhenFollowAmbig = false; }:
- COLON (strOptExprPair ( COMMA strOptExprPair)* )?
- )?
- )?
- ( COLON stringConst ( COMMA stringConst)* )?
- RPAREN
- { ##.setType(NGnuAsmExpr); }
- ;
-
-//GCC requires the PARENs
-strOptExprPair
- : stringConst ( LPAREN expr RPAREN )?
- ;
-
-
-primaryExpr
- : ID
- | Number
- | charConst
- | stringConst
-// JTC:
-// ID should catch the enumerator
-// leaving it in gives ambiguous err
-// | enumerator
- | (LPAREN LCURLY) => LPAREN^ compoundStatement[getAScopeName()] RPAREN
- | LPAREN^ expr RPAREN { ##.setType(NExpressionGroup); }
- ;
-
-
-{
- import java.io.*;
- import java.util.*;
- import antlr.*;
-}
-
-class GnuCLexer extends StdCLexer;
-options
- {
- k = 3;
- importVocab = GNUC;
- testLiterals = false;
- }
-tokens {
- LITERAL___extension__ = "__extension__";
-}
-
-{
- public void initialize(String src)
- {
- setOriginalSource(src);
- initialize();
- }
-
- public void initialize()
- {
- literals.put(new ANTLRHashString("__alignof__", this), new Integer(LITERAL___alignof));
- literals.put(new ANTLRHashString("__asm", this), new Integer(LITERAL_asm));
- literals.put(new ANTLRHashString("__asm__", this), new Integer(LITERAL_asm));
- literals.put(new ANTLRHashString("__attribute__", this), new Integer(LITERAL___attribute));
- literals.put(new ANTLRHashString("__complex__", this), new Integer(LITERAL___complex));
- literals.put(new ANTLRHashString("__const", this), new Integer(LITERAL_const));
- literals.put(new ANTLRHashString("__const__", this), new Integer(LITERAL_const));
- literals.put(new ANTLRHashString("__imag__", this), new Integer(LITERAL___imag));
- literals.put(new ANTLRHashString("__inline", this), new Integer(LITERAL_inline));
- literals.put(new ANTLRHashString("__inline__", this), new Integer(LITERAL_inline));
- literals.put(new ANTLRHashString("__real__", this), new Integer(LITERAL___real));
- literals.put(new ANTLRHashString("__signed", this), new Integer(LITERAL_signed));
- literals.put(new ANTLRHashString("__signed__", this), new Integer(LITERAL_signed));
- literals.put(new ANTLRHashString("__typeof", this), new Integer(LITERAL_typeof));
- literals.put(new ANTLRHashString("__typeof__", this), new Integer(LITERAL_typeof));
- literals.put(new ANTLRHashString("__volatile", this), new Integer(LITERAL_volatile));
- literals.put(new ANTLRHashString("__volatile__", this), new Integer(LITERAL_volatile));
- }
-
-
- LineObject lineObject = new LineObject();
- String originalSource = "";
- PreprocessorInfoChannel preprocessorInfoChannel = new PreprocessorInfoChannel();
- int tokenNumber = 0;
- boolean countingTokens = true;
- int deferredLineCount = 0;
- List defines = new ArrayList();
-
- public void setCountingTokens(boolean ct)
- {
- countingTokens = ct;
- if ( countingTokens ) {
- tokenNumber = 0;
- }
- else {
- tokenNumber = 1;
- }
- }
-
- public void setOriginalSource(String src)
- {
- originalSource = src;
- lineObject.setSource(src);
- }
- public void setSource(String src)
- {
- lineObject.setSource(src);
- }
-
- public PreprocessorInfoChannel getPreprocessorInfoChannel()
- {
- return preprocessorInfoChannel;
- }
-
- public void setPreprocessingDirective(String pre)
- {
- preprocessorInfoChannel.addLineForTokenNumber( pre, new Integer(tokenNumber) );
- }
-
- public void addDefine(String name, String value)
- {
- defines.add(new Define(name, value));
- }
-
- /** Returns a list of Define objects corresponding to the
- preprocessor definitions seen during parsing. */
- public List getDefines() {
- return defines;
- }
-
- protected Token makeToken(int t)
- {
- if ( t != Token.SKIP && countingTokens) {
- tokenNumber++;
- }
- CToken tok = (CToken) super.makeToken(t);
- tok.setLine(lineObject.line);
- tok.setSource(lineObject.source);
- tok.setTokenNumber(tokenNumber);
-
- lineObject.line += deferredLineCount;
- deferredLineCount = 0;
- return tok;
- }
-
- public void deferredNewline() {
- deferredLineCount++;
- }
-
- public void newline() {
- lineObject.newline();
- }
-
-
-
-
-
-
-}
-Whitespace
- : ( ( ' ' | '\t' | '\014')
- | "\r\n" { newline(); }
- | ( '\n' | '\r' ) { newline(); }
- ) { _ttype = Token.SKIP; }
- ;
-
-
-protected
-Escape
- : '\\'
- ( options{warnWhenFollowAmbig=false;}:
- ~('0'..'7' | 'x')
- | ('0'..'3') ( options{warnWhenFollowAmbig=false;}: Digit )*
- | ('4'..'7') ( options{warnWhenFollowAmbig=false;}: Digit )*
- | 'x' ( options{warnWhenFollowAmbig=false;}: Digit | 'a'..'f' | 'A'..'F' )+
- )
- ;
-
-protected IntSuffix
- : 'L'
- | 'l'
- | 'U'
- | 'u'
- | 'I'
- | 'i'
- | 'J'
- | 'j'
- ;
-protected NumberSuffix
- :
- IntSuffix
- | 'F'
- | 'f'
- ;
-
-Number
- : ( ( Digit )+ ( '.' | 'e' | 'E' ) )=> ( Digit )+
- ( '.' ( Digit )* ( Exponent )?
- | Exponent
- )
- ( NumberSuffix
- )*
-
- | ( "..." )=> "..." { _ttype = VARARGS; }
-
- | '.' { _ttype = DOT; }
- ( ( Digit )+ ( Exponent )?
- { _ttype = Number; }
- ( NumberSuffix
- )*
- )?
-
- | '0' ( '0'..'7' )*
- ( NumberSuffix
- )*
-
- | '1'..'9' ( Digit )*
- ( NumberSuffix
- )*
-
- | '0' ( 'x' | 'X' ) ( 'a'..'f' | 'A'..'F' | Digit )+
- ( IntSuffix
- )*
- ;
-
-IDMEAT
- :
- i:ID {
-
- if ( i.getType() == LITERAL___extension__ ) {
- $setType(Token.SKIP);
- }
- else {
- $setType(i.getType());
- }
-
- }
- ;
-
-protected ID
- options
- {
- testLiterals = true;
- }
- : ( 'a'..'z' | 'A'..'Z' | '_' | '$')
- ( 'a'..'z' | 'A'..'Z' | '_' | '$' | '0'..'9' )*
- ;
-
-WideCharLiteral
- :
- 'L' CharLiteral
- { $setType(CharLiteral); }
- ;
-
-
-
-WideStringLiteral
- :
- 'L' StringLiteral
- { $setType(StringLiteral); }
- ;
-
-StringLiteral
- :
- '"'
- ( ('\\' ~('\n'))=> Escape
- | ( '\r' { newline(); }
- | '\n' {
- newline();
- }
- | '\\' '\n' {
- newline();
- }
- )
- | ~( '"' | '\r' | '\n' | '\\' )
- )*
- '"'
- ;
-
-
-
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 06:55:25 +0000