mirror of https://github.com/acidanthera/audk.git
674 lines
17 KiB
Plaintext
674 lines
17 KiB
Plaintext
/* @file
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This file is used to be the grammar file of ECC tool
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Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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*/
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grammar C;
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options {
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language=Python;
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backtrack=true;
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memoize=true;
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k=2;
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}
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@lexer::header{
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## @file
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# The file defines the Lexer for C source files.
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#
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# THIS FILE IS AUTO-GENERATED. PLEASE DO NOT MODIFY THIS FILE.
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# This file is generated by running:
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# java org.antlr.Tool C.g
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#
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# Copyright (c) 2009 - 2010, Intel Corporation All rights reserved.
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#
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# This program and the accompanying materials are licensed and made available
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# under the terms and conditions of the BSD License which accompanies this
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# distribution. The full text of the license may be found at:
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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##
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}
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@header {
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## @file
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# The file defines the parser for C source files.
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#
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# THIS FILE IS AUTO-GENERATED. PLEASE DO NOT MODIFY THIS FILE.
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# This file is generated by running:
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# java org.antlr.Tool C.g
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#
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# Copyright (c) 2009 - 2010, Intel Corporation All rights reserved.
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#
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# This program and the accompanying materials are licensed and made available
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# under the terms and conditions of the BSD License which accompanies this
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# distribution. The full text of the license may be found at:
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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##
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import CodeFragment
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import FileProfile
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}
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@members {
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def printTokenInfo(self, line, offset, tokenText):
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print str(line)+ ',' + str(offset) + ':' + str(tokenText)
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def StorePredicateExpression(self, StartLine, StartOffset, EndLine, EndOffset, Text):
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PredExp = CodeFragment.PredicateExpression(Text, (StartLine, StartOffset), (EndLine, EndOffset))
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FileProfile.PredicateExpressionList.append(PredExp)
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def StoreEnumerationDefinition(self, StartLine, StartOffset, EndLine, EndOffset, Text):
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EnumDef = CodeFragment.EnumerationDefinition(Text, (StartLine, StartOffset), (EndLine, EndOffset))
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FileProfile.EnumerationDefinitionList.append(EnumDef)
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def StoreStructUnionDefinition(self, StartLine, StartOffset, EndLine, EndOffset, Text):
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SUDef = CodeFragment.StructUnionDefinition(Text, (StartLine, StartOffset), (EndLine, EndOffset))
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FileProfile.StructUnionDefinitionList.append(SUDef)
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def StoreTypedefDefinition(self, StartLine, StartOffset, EndLine, EndOffset, FromText, ToText):
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Tdef = CodeFragment.TypedefDefinition(FromText, ToText, (StartLine, StartOffset), (EndLine, EndOffset))
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FileProfile.TypedefDefinitionList.append(Tdef)
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def StoreFunctionDefinition(self, StartLine, StartOffset, EndLine, EndOffset, ModifierText, DeclText, LeftBraceLine, LeftBraceOffset, DeclLine, DeclOffset):
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FuncDef = CodeFragment.FunctionDefinition(ModifierText, DeclText, (StartLine, StartOffset), (EndLine, EndOffset), (LeftBraceLine, LeftBraceOffset), (DeclLine, DeclOffset))
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FileProfile.FunctionDefinitionList.append(FuncDef)
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def StoreVariableDeclaration(self, StartLine, StartOffset, EndLine, EndOffset, ModifierText, DeclText):
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VarDecl = CodeFragment.VariableDeclaration(ModifierText, DeclText, (StartLine, StartOffset), (EndLine, EndOffset))
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FileProfile.VariableDeclarationList.append(VarDecl)
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def StoreFunctionCalling(self, StartLine, StartOffset, EndLine, EndOffset, FuncName, ParamList):
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FuncCall = CodeFragment.FunctionCalling(FuncName, ParamList, (StartLine, StartOffset), (EndLine, EndOffset))
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FileProfile.FunctionCallingList.append(FuncCall)
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}
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translation_unit
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: external_declaration*
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;
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/*function_declaration
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@after{
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print $function_declaration.text
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}
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: declaration_specifiers IDENTIFIER '(' parameter_list ')' ';'
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;
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*/
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external_declaration
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options {k=1;}
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/*@after{
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print $external_declaration.text
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}*/
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: ( declaration_specifiers? declarator declaration* '{' )=> function_definition
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| declaration
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| macro_statement (';')?
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;
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function_definition
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scope {
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ModifierText;
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DeclText;
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LBLine;
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LBOffset;
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DeclLine;
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DeclOffset;
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}
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@init {
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$function_definition::ModifierText = '';
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$function_definition::DeclText = '';
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$function_definition::LBLine = 0;
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$function_definition::LBOffset = 0;
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$function_definition::DeclLine = 0;
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$function_definition::DeclOffset = 0;
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}
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@after{
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self.StoreFunctionDefinition($function_definition.start.line, $function_definition.start.charPositionInLine, $function_definition.stop.line, $function_definition.stop.charPositionInLine, $function_definition::ModifierText, $function_definition::DeclText, $function_definition::LBLine, $function_definition::LBOffset, $function_definition::DeclLine, $function_definition::DeclOffset)
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}
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: d=declaration_specifiers? declarator
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( declaration+ a=compound_statement // K&R style
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| b=compound_statement // ANSI style
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) {
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if d != None:
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$function_definition::ModifierText = $declaration_specifiers.text
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else:
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$function_definition::ModifierText = ''
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$function_definition::DeclText = $declarator.text
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$function_definition::DeclLine = $declarator.start.line
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$function_definition::DeclOffset = $declarator.start.charPositionInLine
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if a != None:
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$function_definition::LBLine = $a.start.line
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$function_definition::LBOffset = $a.start.charPositionInLine
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else:
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$function_definition::LBLine = $b.start.line
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$function_definition::LBOffset = $b.start.charPositionInLine
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}
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;
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declaration
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: a='typedef' b=declaration_specifiers?
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c=init_declarator_list d=';'
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{
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if b != None:
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self.StoreTypedefDefinition($a.line, $a.charPositionInLine, $d.line, $d.charPositionInLine, $b.text, $c.text)
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else:
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self.StoreTypedefDefinition($a.line, $a.charPositionInLine, $d.line, $d.charPositionInLine, '', $c.text)
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}
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| s=declaration_specifiers t=init_declarator_list? e=';'
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{
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if t != None:
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self.StoreVariableDeclaration($s.start.line, $s.start.charPositionInLine, $t.start.line, $t.start.charPositionInLine, $s.text, $t.text)
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}
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;
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declaration_specifiers
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: ( storage_class_specifier
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| type_specifier
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| type_qualifier
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)+
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;
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init_declarator_list
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: init_declarator (',' init_declarator)*
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;
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init_declarator
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: declarator ('=' initializer)?
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;
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storage_class_specifier
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: 'extern'
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| 'static'
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| 'auto'
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| 'register'
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| 'STATIC'
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;
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type_specifier
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: 'void'
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| 'char'
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| 'short'
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| 'int'
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| 'long'
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| 'float'
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| 'double'
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| 'signed'
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| 'unsigned'
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| s=struct_or_union_specifier
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{
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if s.stop != None:
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self.StoreStructUnionDefinition($s.start.line, $s.start.charPositionInLine, $s.stop.line, $s.stop.charPositionInLine, $s.text)
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}
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| e=enum_specifier
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{
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if e.stop != None:
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self.StoreEnumerationDefinition($e.start.line, $e.start.charPositionInLine, $e.stop.line, $e.stop.charPositionInLine, $e.text)
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}
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| (IDENTIFIER type_qualifier* declarator)=> type_id
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;
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type_id
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: IDENTIFIER
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//{self.printTokenInfo($a.line, $a.pos, $a.text)}
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;
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struct_or_union_specifier
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options {k=3;}
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: struct_or_union IDENTIFIER? '{' struct_declaration_list '}'
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| struct_or_union IDENTIFIER
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;
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struct_or_union
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: 'struct'
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| 'union'
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;
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struct_declaration_list
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: struct_declaration+
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;
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struct_declaration
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: specifier_qualifier_list struct_declarator_list ';'
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;
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specifier_qualifier_list
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: ( type_qualifier | type_specifier )+
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;
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struct_declarator_list
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: struct_declarator (',' struct_declarator)*
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;
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struct_declarator
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: declarator (':' constant_expression)?
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| ':' constant_expression
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;
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enum_specifier
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options {k=3;}
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: 'enum' '{' enumerator_list ','? '}'
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| 'enum' IDENTIFIER '{' enumerator_list ','? '}'
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| 'enum' IDENTIFIER
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;
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enumerator_list
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: enumerator (',' enumerator)*
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;
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enumerator
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: IDENTIFIER ('=' constant_expression)?
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;
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type_qualifier
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: 'const'
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| 'volatile'
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| 'IN'
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| 'OUT'
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| 'OPTIONAL'
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| 'CONST'
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| 'UNALIGNED'
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| 'VOLATILE'
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| 'GLOBAL_REMOVE_IF_UNREFERENCED'
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| 'EFIAPI'
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| 'EFI_BOOTSERVICE'
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| 'EFI_RUNTIMESERVICE'
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| 'PACKED'
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;
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declarator
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: pointer? ('EFIAPI')? ('EFI_BOOTSERVICE')? ('EFI_RUNTIMESERVICE')? direct_declarator
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// | ('EFIAPI')? ('EFI_BOOTSERVICE')? ('EFI_RUNTIMESERVICE')? pointer? direct_declarator
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| pointer
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;
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direct_declarator
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: IDENTIFIER declarator_suffix*
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| '(' ('EFIAPI')? declarator ')' declarator_suffix+
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;
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declarator_suffix
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: '[' constant_expression ']'
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| '[' ']'
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| '(' parameter_type_list ')'
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| '(' identifier_list ')'
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| '(' ')'
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;
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pointer
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: '*' type_qualifier+ pointer?
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| '*' pointer
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| '*'
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;
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parameter_type_list
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: parameter_list (',' ('OPTIONAL')? '...')?
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;
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parameter_list
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: parameter_declaration (',' ('OPTIONAL')? parameter_declaration)*
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;
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parameter_declaration
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: declaration_specifiers (declarator|abstract_declarator)* ('OPTIONAL')?
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//accomerdate user-defined type only, no declarator follow.
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| pointer* IDENTIFIER
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;
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identifier_list
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: IDENTIFIER
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(',' IDENTIFIER)*
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;
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type_name
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: specifier_qualifier_list abstract_declarator?
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| type_id
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;
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abstract_declarator
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: pointer direct_abstract_declarator?
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| direct_abstract_declarator
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;
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direct_abstract_declarator
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: ( '(' abstract_declarator ')' | abstract_declarator_suffix ) abstract_declarator_suffix*
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;
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abstract_declarator_suffix
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: '[' ']'
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| '[' constant_expression ']'
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| '(' ')'
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| '(' parameter_type_list ')'
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;
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initializer
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: assignment_expression
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| '{' initializer_list ','? '}'
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;
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initializer_list
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: initializer (',' initializer )*
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;
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// E x p r e s s i o n s
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argument_expression_list
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: assignment_expression ('OPTIONAL')? (',' assignment_expression ('OPTIONAL')?)*
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;
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additive_expression
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: (multiplicative_expression) ('+' multiplicative_expression | '-' multiplicative_expression)*
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;
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multiplicative_expression
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: (cast_expression) ('*' cast_expression | '/' cast_expression | '%' cast_expression)*
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;
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cast_expression
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: '(' type_name ')' cast_expression
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| unary_expression
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;
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unary_expression
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: postfix_expression
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| '++' unary_expression
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| '--' unary_expression
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| unary_operator cast_expression
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| 'sizeof' unary_expression
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| 'sizeof' '(' type_name ')'
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;
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postfix_expression
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scope {
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FuncCallText;
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}
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@init {
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$postfix_expression::FuncCallText = '';
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}
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: p=primary_expression {$postfix_expression::FuncCallText += $p.text}
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( '[' expression ']'
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| '(' a=')'{self.StoreFunctionCalling($p.start.line, $p.start.charPositionInLine, $a.line, $a.charPositionInLine, $postfix_expression::FuncCallText, '')}
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| '(' c=argument_expression_list b=')' {self.StoreFunctionCalling($p.start.line, $p.start.charPositionInLine, $b.line, $b.charPositionInLine, $postfix_expression::FuncCallText, $c.text)}
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| '(' macro_parameter_list ')'
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| '.' x=IDENTIFIER {$postfix_expression::FuncCallText += '.' + $x.text}
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| '*' y=IDENTIFIER {$postfix_expression::FuncCallText = $y.text}
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| '->' z=IDENTIFIER {$postfix_expression::FuncCallText += '->' + $z.text}
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| '++'
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| '--'
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)*
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;
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macro_parameter_list
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: parameter_declaration (',' parameter_declaration)*
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;
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unary_operator
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: '&'
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| '*'
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| '+'
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| '-'
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| '~'
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| '!'
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;
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primary_expression
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: IDENTIFIER
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| constant
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| '(' expression ')'
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;
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constant
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: HEX_LITERAL
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| OCTAL_LITERAL
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| DECIMAL_LITERAL
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| CHARACTER_LITERAL
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| (IDENTIFIER* STRING_LITERAL+)+ IDENTIFIER*
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| FLOATING_POINT_LITERAL
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;
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/////
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|
expression
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: assignment_expression (',' assignment_expression)*
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;
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constant_expression
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: conditional_expression
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;
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assignment_expression
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: lvalue assignment_operator assignment_expression
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| conditional_expression
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;
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|
lvalue
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: unary_expression
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;
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|
assignment_operator
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: '='
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| '*='
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| '/='
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| '%='
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| '+='
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| '-='
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| '<<='
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| '>>='
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| '&='
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| '^='
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| '|='
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;
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conditional_expression
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: e=logical_or_expression ('?' expression ':' conditional_expression {self.StorePredicateExpression($e.start.line, $e.start.charPositionInLine, $e.stop.line, $e.stop.charPositionInLine, $e.text)})?
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;
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logical_or_expression
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: logical_and_expression ('||' logical_and_expression)*
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;
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logical_and_expression
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: inclusive_or_expression ('&&' inclusive_or_expression)*
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;
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inclusive_or_expression
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: exclusive_or_expression ('|' exclusive_or_expression)*
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;
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exclusive_or_expression
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: and_expression ('^' and_expression)*
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;
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and_expression
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: equality_expression ('&' equality_expression)*
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;
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equality_expression
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: relational_expression (('=='|'!=') relational_expression )*
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;
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|
relational_expression
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: shift_expression (('<'|'>'|'<='|'>=') shift_expression)*
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;
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shift_expression
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: additive_expression (('<<'|'>>') additive_expression)*
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;
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// S t a t e m e n t s
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|
statement
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: labeled_statement
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| compound_statement
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| expression_statement
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| selection_statement
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| iteration_statement
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| jump_statement
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| macro_statement
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| asm2_statement
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| asm1_statement
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| asm_statement
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| declaration
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;
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asm2_statement
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: '__asm__'? IDENTIFIER '(' (~(';'))* ')' ';'
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;
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|
asm1_statement
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: '_asm' '{' (~('}'))* '}'
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;
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asm_statement
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: '__asm' '{' (~('}'))* '}'
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;
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macro_statement
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: IDENTIFIER '(' declaration* statement_list? expression? ')'
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;
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labeled_statement
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: IDENTIFIER ':' statement
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| 'case' constant_expression ':' statement
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| 'default' ':' statement
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;
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compound_statement
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: '{' declaration* statement_list? '}'
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;
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statement_list
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: statement+
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;
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expression_statement
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: ';'
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| expression ';'
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;
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selection_statement
|
|
: 'if' '(' e=expression ')' {self.StorePredicateExpression($e.start.line, $e.start.charPositionInLine, $e.stop.line, $e.stop.charPositionInLine, $e.text)} statement (options {k=1; backtrack=false;}:'else' statement)?
|
|
| 'switch' '(' expression ')' statement
|
|
;
|
|
|
|
iteration_statement
|
|
: 'while' '(' e=expression ')' statement {self.StorePredicateExpression($e.start.line, $e.start.charPositionInLine, $e.stop.line, $e.stop.charPositionInLine, $e.text)}
|
|
| 'do' statement 'while' '(' e=expression ')' ';' {self.StorePredicateExpression($e.start.line, $e.start.charPositionInLine, $e.stop.line, $e.stop.charPositionInLine, $e.text)}
|
|
| 'for' '(' expression_statement e=expression_statement expression? ')' statement {self.StorePredicateExpression($e.start.line, $e.start.charPositionInLine, $e.stop.line, $e.stop.charPositionInLine, $e.text)}
|
|
;
|
|
|
|
jump_statement
|
|
: 'goto' IDENTIFIER ';'
|
|
| 'continue' ';'
|
|
| 'break' ';'
|
|
| 'return' ';'
|
|
| 'return' expression ';'
|
|
;
|
|
|
|
IDENTIFIER
|
|
: LETTER (LETTER|'0'..'9')*
|
|
;
|
|
|
|
fragment
|
|
LETTER
|
|
: '$'
|
|
| 'A'..'Z'
|
|
| 'a'..'z'
|
|
| '_'
|
|
;
|
|
|
|
CHARACTER_LITERAL
|
|
: ('L')? '\'' ( EscapeSequence | ~('\''|'\\') ) '\''
|
|
;
|
|
|
|
STRING_LITERAL
|
|
: ('L')? '"' ( EscapeSequence | ~('\\'|'"') )* '"'
|
|
;
|
|
|
|
HEX_LITERAL : '0' ('x'|'X') HexDigit+ IntegerTypeSuffix? ;
|
|
|
|
DECIMAL_LITERAL : ('0' | '1'..'9' '0'..'9'*) IntegerTypeSuffix? ;
|
|
|
|
OCTAL_LITERAL : '0' ('0'..'7')+ IntegerTypeSuffix? ;
|
|
|
|
fragment
|
|
HexDigit : ('0'..'9'|'a'..'f'|'A'..'F') ;
|
|
|
|
fragment
|
|
IntegerTypeSuffix
|
|
: ('u'|'U')
|
|
| ('l'|'L')
|
|
| ('u'|'U') ('l'|'L')
|
|
| ('u'|'U') ('l'|'L') ('l'|'L')
|
|
;
|
|
|
|
FLOATING_POINT_LITERAL
|
|
: ('0'..'9')+ '.' ('0'..'9')* Exponent? FloatTypeSuffix?
|
|
| '.' ('0'..'9')+ Exponent? FloatTypeSuffix?
|
|
| ('0'..'9')+ Exponent FloatTypeSuffix?
|
|
| ('0'..'9')+ Exponent? FloatTypeSuffix
|
|
;
|
|
|
|
fragment
|
|
Exponent : ('e'|'E') ('+'|'-')? ('0'..'9')+ ;
|
|
|
|
fragment
|
|
FloatTypeSuffix : ('f'|'F'|'d'|'D') ;
|
|
|
|
fragment
|
|
EscapeSequence
|
|
: '\\' ('b'|'t'|'n'|'f'|'r'|'\"'|'\''|'\\')
|
|
| OctalEscape
|
|
;
|
|
|
|
fragment
|
|
OctalEscape
|
|
: '\\' ('0'..'3') ('0'..'7') ('0'..'7')
|
|
| '\\' ('0'..'7') ('0'..'7')
|
|
| '\\' ('0'..'7')
|
|
;
|
|
|
|
fragment
|
|
UnicodeEscape
|
|
: '\\' 'u' HexDigit HexDigit HexDigit HexDigit
|
|
;
|
|
|
|
WS : (' '|'\r'|'\t'|'\u000C'|'\n') {$channel=HIDDEN;}
|
|
;
|
|
|
|
// ignore '\' of line concatenation
|
|
BS : ('\\') {$channel=HIDDEN;}
|
|
;
|
|
|
|
// ignore function modifiers
|
|
//FUNC_MODIFIERS : 'EFIAPI' {$channel=HIDDEN;}
|
|
// ;
|
|
|
|
UnicodeVocabulary
|
|
: '\u0003'..'\uFFFE'
|
|
;
|
|
COMMENT
|
|
: '/*' ( options {greedy=false;} : . )* '*/' {$channel=HIDDEN;}
|
|
;
|
|
|
|
|
|
LINE_COMMENT
|
|
: '//' ~('\n'|'\r')* '\r'? '\n' {$channel=HIDDEN;}
|
|
;
|
|
|
|
// ignore #line info for now
|
|
LINE_COMMAND
|
|
: '#' ~('\n'|'\r')* '\r'? '\n' {$channel=HIDDEN;}
|
|
;
|