Fixed ambiguity between postfix_expr and primary_expr (left parenthesis)
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parent
05b4a9c58e
commit
7af6d01b12
43
src/parser.c
43
src/parser.c
@ -999,8 +999,8 @@ static int _assignment_expr(C99 * c99)
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static int _unary_expr(C99 * c99)
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/* FIXME still recursive
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* postfix-expr
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* ++ unary-expr
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* -- unary-expr
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* "++" unary-expr
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* "--" unary-expr
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* unary-operator cast-expr
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* "sizeof" unary-expr
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* "sizeof" "(" type-name ")" */
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@ -1059,7 +1059,8 @@ static int _postfix_expr(C99 * c99)
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* postfix-expr "->" identifier
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* postfix-expr "++"
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* postfix-expr "--"
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* "(" type-name ")" "{" initializer-list [ "," ] "}" */
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* "(" type-name ")" "{" initializer-list [ "," ] "}"
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* "(" expression ")" */
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{
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int ret = 0;
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@ -1069,14 +1070,24 @@ static int _postfix_expr(C99 * c99)
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else if(_parse_is_code(c99, C99_CODE_OPERATOR_LPAREN))
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{
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ret |= scan(c99);
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ret |= _parse_check_set(c99, c99set_type_name, "type name",
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_type_name);
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ret |= _parse_check(c99, C99_CODE_OPERATOR_RPAREN);
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ret |= _parse_check(c99, C99_CODE_OPERATOR_LBRACE);
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ret |= _initializer_list(c99);
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if(_parse_is_code(c99, C99_CODE_COMMA))
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ret |= scan(c99);
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ret |= _parse_check(c99, C99_CODE_OPERATOR_RBRACE);
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if(_parse_in_set(c99, c99set_type_name))
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{
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ret |= _type_name(c99);
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ret |= _parse_check(c99, C99_CODE_OPERATOR_RPAREN);
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ret |= _parse_check(c99, C99_CODE_OPERATOR_LBRACE);
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ret |= _initializer_list(c99);
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if(_parse_is_code(c99, C99_CODE_COMMA))
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ret |= scan(c99);
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ret |= _parse_check(c99, C99_CODE_OPERATOR_RBRACE);
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}
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else if(_parse_in_set(c99, c99set_expression))
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{
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ret |= _expression(c99);
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ret |= _parse_check(c99, C99_CODE_OPERATOR_RPAREN);
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}
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else
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ret |= _parse_error(c99,
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"Expected type name or expression");
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}
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ret |= _postfix_expr_do(c99);
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return ret;
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@ -1156,8 +1167,7 @@ static int _argument_expr_list(C99 * c99)
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static int _primary_expr(C99 * c99)
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/* identifier
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* constant
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* string-literal
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* "(" expression ")" */
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* string-literal */
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{
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int ret = 0;
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int code;
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@ -1173,13 +1183,6 @@ static int _primary_expr(C99 * c99)
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/* handle this as a labeled_statement */
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c99->is_label = 1;
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}
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else if(code == C99_CODE_OPERATOR_LPAREN)
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{
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ret |= scan(c99);
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ret |= _parse_check_set(c99, c99set_expression, "expression",
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_expression);
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ret |= _parse_check(c99, C99_CODE_OPERATOR_RPAREN);
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}
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else /* constant or string-litteral */
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ret |= scan(c99);
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c99->can_label = 0;
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