Check In tool source code based on Build tool project revision r1655.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8964 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4
626
BaseTools/Source/Python/Ecc/C.g
Normal file
626
BaseTools/Source/Python/Ecc/C.g
Normal file
@@ -0,0 +1,626 @@
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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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@header {
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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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|
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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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;
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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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|
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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
|
||||
: '*' type_qualifier+ pointer?
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| '*' pointer
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| '*'
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;
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||||
parameter_type_list
|
||||
: parameter_list (',' ('OPTIONAL')? '...')?
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;
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|
||||
parameter_list
|
||||
: 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')?
|
||||
//accomerdate user-defined type only, no declarator follow.
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| pointer* IDENTIFIER
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;
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||||
|
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identifier_list
|
||||
: IDENTIFIER
|
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(',' IDENTIFIER)*
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||||
;
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||||
|
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type_name
|
||||
: specifier_qualifier_list abstract_declarator?
|
||||
| type_id
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||||
;
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||||
|
||||
abstract_declarator
|
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: pointer direct_abstract_declarator?
|
||||
| direct_abstract_declarator
|
||||
;
|
||||
|
||||
direct_abstract_declarator
|
||||
: ( '(' abstract_declarator ')' | abstract_declarator_suffix ) abstract_declarator_suffix*
|
||||
;
|
||||
|
||||
abstract_declarator_suffix
|
||||
: '[' ']'
|
||||
| '[' constant_expression ']'
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||||
| '(' ')'
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||||
| '(' parameter_type_list ')'
|
||||
;
|
||||
|
||||
initializer
|
||||
|
||||
: assignment_expression
|
||||
| '{' initializer_list ','? '}'
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||||
;
|
||||
|
||||
initializer_list
|
||||
: initializer (',' initializer )*
|
||||
;
|
||||
|
||||
// E x p r e s s i o n s
|
||||
|
||||
argument_expression_list
|
||||
: assignment_expression ('OPTIONAL')? (',' assignment_expression ('OPTIONAL')?)*
|
||||
;
|
||||
|
||||
additive_expression
|
||||
: (multiplicative_expression) ('+' multiplicative_expression | '-' multiplicative_expression)*
|
||||
;
|
||||
|
||||
multiplicative_expression
|
||||
: (cast_expression) ('*' cast_expression | '/' cast_expression | '%' cast_expression)*
|
||||
;
|
||||
|
||||
cast_expression
|
||||
: '(' type_name ')' cast_expression
|
||||
| unary_expression
|
||||
;
|
||||
|
||||
unary_expression
|
||||
: postfix_expression
|
||||
| '++' unary_expression
|
||||
| '--' unary_expression
|
||||
| unary_operator cast_expression
|
||||
| 'sizeof' unary_expression
|
||||
| 'sizeof' '(' type_name ')'
|
||||
;
|
||||
|
||||
postfix_expression
|
||||
scope {
|
||||
FuncCallText;
|
||||
}
|
||||
@init {
|
||||
$postfix_expression::FuncCallText = '';
|
||||
}
|
||||
: p=primary_expression {$postfix_expression::FuncCallText += $p.text}
|
||||
( '[' expression ']'
|
||||
| '(' a=')'{self.StoreFunctionCalling($p.start.line, $p.start.charPositionInLine, $a.line, $a.charPositionInLine, $postfix_expression::FuncCallText, '')}
|
||||
| '(' c=argument_expression_list b=')' {self.StoreFunctionCalling($p.start.line, $p.start.charPositionInLine, $b.line, $b.charPositionInLine, $postfix_expression::FuncCallText, $c.text)}
|
||||
| '(' macro_parameter_list ')'
|
||||
| '.' x=IDENTIFIER {$postfix_expression::FuncCallText += '.' + $x.text}
|
||||
| '*' y=IDENTIFIER {$postfix_expression::FuncCallText = $y.text}
|
||||
| '->' z=IDENTIFIER {$postfix_expression::FuncCallText += '->' + $z.text}
|
||||
| '++'
|
||||
| '--'
|
||||
)*
|
||||
;
|
||||
|
||||
macro_parameter_list
|
||||
: parameter_declaration (',' parameter_declaration)*
|
||||
;
|
||||
|
||||
unary_operator
|
||||
: '&'
|
||||
| '*'
|
||||
| '+'
|
||||
| '-'
|
||||
| '~'
|
||||
| '!'
|
||||
;
|
||||
|
||||
primary_expression
|
||||
: IDENTIFIER
|
||||
| constant
|
||||
| '(' expression ')'
|
||||
;
|
||||
|
||||
constant
|
||||
: HEX_LITERAL
|
||||
| OCTAL_LITERAL
|
||||
| DECIMAL_LITERAL
|
||||
| CHARACTER_LITERAL
|
||||
| (IDENTIFIER* STRING_LITERAL+)+ IDENTIFIER*
|
||||
| FLOATING_POINT_LITERAL
|
||||
;
|
||||
|
||||
/////
|
||||
|
||||
expression
|
||||
: assignment_expression (',' assignment_expression)*
|
||||
;
|
||||
|
||||
constant_expression
|
||||
: conditional_expression
|
||||
;
|
||||
|
||||
assignment_expression
|
||||
: lvalue assignment_operator assignment_expression
|
||||
| conditional_expression
|
||||
;
|
||||
|
||||
lvalue
|
||||
: unary_expression
|
||||
;
|
||||
|
||||
assignment_operator
|
||||
: '='
|
||||
| '*='
|
||||
| '/='
|
||||
| '%='
|
||||
| '+='
|
||||
| '-='
|
||||
| '<<='
|
||||
| '>>='
|
||||
| '&='
|
||||
| '^='
|
||||
| '|='
|
||||
;
|
||||
|
||||
conditional_expression
|
||||
: e=logical_or_expression ('?' expression ':' conditional_expression {self.StorePredicateExpression($e.start.line, $e.start.charPositionInLine, $e.stop.line, $e.stop.charPositionInLine, $e.text)})?
|
||||
;
|
||||
|
||||
logical_or_expression
|
||||
: logical_and_expression ('||' logical_and_expression)*
|
||||
;
|
||||
|
||||
logical_and_expression
|
||||
: inclusive_or_expression ('&&' inclusive_or_expression)*
|
||||
;
|
||||
|
||||
inclusive_or_expression
|
||||
: exclusive_or_expression ('|' exclusive_or_expression)*
|
||||
;
|
||||
|
||||
exclusive_or_expression
|
||||
: and_expression ('^' and_expression)*
|
||||
;
|
||||
|
||||
and_expression
|
||||
: equality_expression ('&' equality_expression)*
|
||||
;
|
||||
equality_expression
|
||||
: relational_expression (('=='|'!=') relational_expression )*
|
||||
;
|
||||
|
||||
relational_expression
|
||||
: shift_expression (('<'|'>'|'<='|'>=') shift_expression)*
|
||||
;
|
||||
|
||||
shift_expression
|
||||
: additive_expression (('<<'|'>>') additive_expression)*
|
||||
;
|
||||
|
||||
// S t a t e m e n t s
|
||||
|
||||
statement
|
||||
: labeled_statement
|
||||
| compound_statement
|
||||
| expression_statement
|
||||
| selection_statement
|
||||
| iteration_statement
|
||||
| jump_statement
|
||||
| macro_statement
|
||||
| asm2_statement
|
||||
| asm1_statement
|
||||
| asm_statement
|
||||
| declaration
|
||||
;
|
||||
|
||||
asm2_statement
|
||||
: '__asm__'? IDENTIFIER '(' (~(';'))* ')' ';'
|
||||
;
|
||||
|
||||
asm1_statement
|
||||
: '_asm' '{' (~('}'))* '}'
|
||||
;
|
||||
|
||||
asm_statement
|
||||
: '__asm' '{' (~('}'))* '}'
|
||||
;
|
||||
|
||||
macro_statement
|
||||
: IDENTIFIER '(' declaration* statement_list? expression? ')'
|
||||
;
|
||||
|
||||
labeled_statement
|
||||
: IDENTIFIER ':' statement
|
||||
| 'case' constant_expression ':' statement
|
||||
| 'default' ':' statement
|
||||
;
|
||||
|
||||
compound_statement
|
||||
: '{' declaration* statement_list? '}'
|
||||
;
|
||||
|
||||
statement_list
|
||||
: statement+
|
||||
;
|
||||
|
||||
expression_statement
|
||||
: ';'
|
||||
| expression ';'
|
||||
;
|
||||
|
||||
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') {$channel=HIDDEN;}
|
||||
;
|
||||
|
||||
// ingore '\' of line concatenation
|
||||
BS : ('\\') {$channel=HIDDEN;}
|
||||
;
|
||||
|
||||
// ingore 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;}
|
||||
;
|
||||
Reference in New Issue
Block a user