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C: Parser: Support parsing of c99 designated initializers

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In case:

    int a[6] = { [4] = 29, [2] = 15 };
    struct point { int x, y; };
    struct point p = { .y = 3, .x = 2 };

Grammar change when c99 language feature is enabled:
old grammar:

    braced-init-list :: '{' initializer-list '}'

new grammar:

    braced-init-list :: '{' designated-initializer-list '}'
    designated-initializer-list :: designated-initializer (',' designated-initializer )*
    designated-initializer :: designator* initializer-clause
    designator :: '.' identifier
                | '[' constant-expression ']'

Task-number: QTCREATORBUG-1902
Change-Id: Ib99d6f553f8d0f50ba3eff86f3a2e86d73372426
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
This commit is contained in:
Wang Hoi
2014-05-05 22:56:15 +08:00
committed by Nikolai Kosjar
parent d70485180a
commit c56b999fff
27 changed files with 529 additions and 2 deletions
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2
src/libs/3rdparty/cplusplus/ASTMatcher.h vendored
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@@ -66,6 +66,8 @@ public:
virtual bool match(DeclaratorIdAST *node, DeclaratorIdAST *pattern);
virtual bool match(DecltypeSpecifierAST *node, DecltypeSpecifierAST *pattern);
virtual bool match(DeleteExpressionAST *node, DeleteExpressionAST *pattern);
virtual bool match(DesignatedInitializerAST *node, DesignatedInitializerAST *pattern);
virtual bool match(DesignatorAST *node, DesignatorAST *pattern);
virtual bool match(DestructorNameAST *node, DestructorNameAST *pattern);
virtual bool match(DoStatementAST *node, DoStatementAST *pattern);
virtual bool match(DynamicExceptionSpecificationAST *node, DynamicExceptionSpecificationAST *pattern);