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| author | Yann Herklotz <ymherklotz@gmail.com> | 2017-03-22 16:53:48 +0000 |
|---|---|---|
| committer | Yann Herklotz <ymherklotz@gmail.com> | 2017-03-22 16:53:48 +0000 |
| commit | 561b76bdebd584d03d4e451375777651a9d74017 (patch) | |
| tree | fdab95e056a212a26b65a96ae2af894e8f42b82e /c_compiler/src/c_parser.y | |
| parent | f12ccd62ecf08774ce599a2e15d9042500d2760a (diff) | |
| download | Compiler-561b76bdebd584d03d4e451375777651a9d74017.tar.gz Compiler-561b76bdebd584d03d4e451375777651a9d74017.zip | |
Have to work on case
Diffstat (limited to 'c_compiler/src/c_parser.y')
| -rw-r--r-- | c_compiler/src/c_parser.y | 53 |
1 files changed, 50 insertions, 3 deletions
diff --git a/c_compiler/src/c_parser.y b/c_compiler/src/c_parser.y index c58bc75..79d8902 100644 --- a/c_compiler/src/c_parser.y +++ b/c_compiler/src/c_parser.y @@ -71,7 +71,7 @@ void yyerror(const char *); AndExpression EqualityExpression RelationalExpression ShiftExpression AdditiveExpression MultiplicativeExpression CastExpression UnaryExpression PostfixExpression PostfixExpression2 ArgumentExpressionList PrimaryExpression - Constant + Constant Initializer InitializerList %type <type> DeclarationSpecifierList @@ -174,7 +174,7 @@ InitDeclaratorList: ; InitDeclarator: Declarator { $$ = $1; } - | Declarator T_EQ AssignmentExpression { $$->setInitializer($3); delete $2; } + | Declarator T_EQ Initializer { $$ = $1; $$->setInitializer($3); delete $2; } ; Declarator: DirectDeclarator { $$ = $1; } @@ -194,6 +194,15 @@ DirectDeclarator: IdentifierList: T_IDENTIFIER { $$ = new Declaration(); } | IdentifierList T_CMA T_IDENTIFIER { $$ = new Declaration(); } +Initializer: AssignmentExpression { $$ = $1; } + | T_LCB InitializerList T_RCB { $$ = $2; } + | T_LCB InitializerList T_CMA T_RCB { $$ = $2; } + ; + +InitializerList: + Initializer { $$ = $1; } + | InitializerList T_CMA Initializer { $3->linkExpression($$); $$ = $3; } + // Statement StatementList: @@ -250,7 +259,45 @@ Expression: AssignmentExpression { $$ = $1; } AssignmentExpression: ConditionalExpression { $$ = $1; } - | UnaryExpression ASSIGN_OPER AssignmentExpression { $$ = new AssignmentExpression($1, $3); delete $2; } + | UnaryExpression ASSIGN_OPER AssignmentExpression + { + Expression* tmp; + if(*$2 == "=") { + $$ = new AssignmentExpression($1, $3); + } else if(*$2 == "+=") { + tmp = new AdditiveExpression($1, "+", $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } else if(*$2 == "-=") { + tmp = new AdditiveExpression($1, "-", $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } else if(*$2 == "*=") { + tmp = new MultiplicativeExpression($1, "*", $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } else if(*$2 == "/=") { + tmp = new MultiplicativeExpression($1, "/", $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } else if(*$2 == "%=") { + tmp = new MultiplicativeExpression($1, "%", $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } else if(*$2 == "&=") { + tmp = new AndExpression($1, $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } else if(*$2 == "^=") { + tmp = new ExclusiveOrExpression($1, $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } else if(*$2 == "|=") { + tmp = new InclusiveOrExpression($1, $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } else if(*$2 == "<<=") { + tmp = new ShiftExpression($1, "<<", $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } else { + tmp = new ShiftExpression($1, ">>", $3); + $$ = new AssignmentExpression(tmp->getLhs(), tmp); + } + + delete $2; + } ; ASSIGN_OPER: T_ASSIGN_OPER { ; } |