X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=warning.h;h=bdad1446e23c2fafe323bbf92de2a49e733c0388;hb=66285deadc46366723208fad0adcf28c5dc4f36d;hp=df36717a48bb3e325043b0937398c50a2d7b3c1a;hpb=cb8b95b76db65ff3652a72f2b7b282ff1eae37dd;p=cparser diff --git a/warning.h b/warning.h index df36717..bdad144 100644 --- a/warning.h +++ b/warning.h @@ -1,3 +1,22 @@ +/* + * This file is part of cparser. + * Copyright (C) 2007-2009 Matthias Braun + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ #ifndef WARNING_H #define WARNING_H @@ -5,75 +24,93 @@ void set_warning_opt(const char *opt); +void print_warning_opt_help(void); + typedef struct warning_t { + bool other:1; /**< Warnings not covered by any option below */ + + bool address:1; /**< Warn about suspicious uses of memory addresses */ + bool aggregate_return:1; /**< Warn if any functions that return structures or unions are defined or called */ + bool attribute:1; /**< Warn if an unexpected `__attribute__' is used or function attributes applied to variables, etc. */ +#if 0 // TODO + bool bad_function_cast:1; /**< Warn whenever a function call is cast to a non-matching type */ + bool cast_align:1; /**< Warn whenever a pointer is cast such that the required alignment of the target is increased */ +#endif + bool cast_qual:1; /**< Warn whenever a pointer is cast so as to remove a type qualifier from the target type */ + bool char_subscripts:1; /**< Warn if an array subscript has the type 'char' */ + bool comment:1; /**< Warn whenever a comment-start sequence appears in a comment, or whenever a Backslash-Newline appears in a '//' comment. */ + bool conversion:1; /**< Warn if a prototype causes a type conversion that is different from what would happen to the same argument in the absence of a prototype */ #if 0 // TODO - bool aggregate_return:1; /* Warn if any functions that return structures or unions are defined or called */ - bool bad_function_cast:1; /* Warn whenever a function call is cast to a non-matching type */ + bool cpp_compat:1; /**< Warn about ISO C constructs that are outside of the common subset of ISO C and ISO C++. */ #endif - bool char_subscripts:1; /* Warn if an array subscript has the type 'char' */ - bool check_format:1; /* Check printf-style format strings */ + bool declaration_after_statement:1; /**< Warn when a declaration is found after a statement in a block */ + bool deprecated_declarations:1; /* TODO implement for types */ /**< Warn about uses of functions, variables and types marked as deprecated by using the 'deprecated' attribute */ + bool div_by_zero:1; /**< Warn about compile-time integer division by zero */ + bool empty_statement:1; /**< Warn about empty statements, i.e. lone ';' */ #if 0 // TODO - bool cast_align:1; /* Warn whenever a pointer is cast such that the required alignment of the target is increased */ - bool cast_qual:1; /* Warn whenever a pointer is cast so as to remove a type qualifier from the target type */ - bool conversion:1; /* Warn if a prototype causes a type conversion that is different from what would happen to the same argument in the absence of a prototype */ - bool declaration_after_statement:1; /* Warn when a declaration is found after a statement in a block */ - bool deprecated_declarations:1; /* Warn about uses of functions, variables and types marked as deprecated by using the 'deprecated' attribute */ - bool div_by_zero:1; /* Warn about compile-time integer division by zero */ - bool endif_labels:1; /* Warn whenever an '#else' or an '#endif' are followed by text */ + bool endif_labels:1; /**< Warn whenever an '#else' or an '#endif' are followed by text */ #endif - bool fatal_errors:1; /* First error stops the compilation */ + bool error_implicit_function_declaration:1; /**< Generate an error, when calling a function without a prior declaration */ + bool fatal_errors:1; /**< First error stops the compilation */ + bool float_equal:1; /**< Warn if floating point values are used in equality comparisons */ + bool format:1; /**< Check printf-style format strings */ + bool implicit_function_declaration:1; /**< Warn whenever a function is used before being declared */ + bool implicit_int:1; /**< Warn when a declaration does not specify a type */ + bool init_self:1; /**< Warn about uninitialized variables which are initialized with themselves. */ #if 0 // TODO - bool float_equal:1; /* Warn if floating point values are used in equality comparisons */ + bool inline:1; /**< Warn if a function can not be inlined and it was declared as inline */ + bool int_to_pointer_cast:1; /**< Warn if cast from integer to pointer of different size. */ #endif - bool implicit_function_declaration:1; /* Warn whenever a function is used before being declared */ - bool implicit_int:1; /* Warn when a declaration does not specify a type */ + bool long_long:1; /**< Warn if 'long long' type is used */ + bool main:1; /**< Warn if the type of 'main' is suspicious */ #if 0 // TODO - bool inline:1; /* Warn if a function can not be inlined and it was declared as inline */ - bool long_long:1; /* Warn if 'long long' type is used */ - bool main:1; /* Warn if the type of 'main' is suspicious */ - bool missing_braces:1; /* Warn if an aggregate or union initializer is not fully bracketed */ + bool missing_braces:1; /**< Warn if an aggregate or union initializer is not fully bracketed */ #endif - bool missing_declarations:1; /* Warn if a global function is defined without a previous declaration */ + bool missing_declarations:1; /**< Warn if a global function is defined without a previous declaration */ #if 0 // TODO - bool missing_format_attribute:1; /* If '-Wformat' is enabled, also warn about functions which might be candidates for 'format' attributes */ - bool missing_noreturn:1; /* Warn about functions which might be candidates for attribute 'noreturn' */ - bool missing_prototypes:1; /* Warn if a global function is defined without a previous prototype declaration */ - bool multichar:1; /* Warn if a multicharacter constant ('FOOF') is used. */ - bool nested_externs:1; /* Warn if an 'extern' declaration is encountered within a function */ - bool packed:1; /* Warn if a structure is given the packed attribute, but the packed attribute has no effect on the layout or size of the structure */ - bool padded:1; /* Warn if padding is included in a structure, either to align an element of the structure or to align the whole structure */ - bool parentheses:1; /* Warn if parentheses are omitted in certain contexts (assignment where truth value is expected, if-else-braces) */ - bool pointer_arith:1; /* Warn about anything that depends on the "size of" a function type or of 'void' */ + bool missing_field_initializers:1; /**< Warn if a structure's initializer has some fields missing. */ + bool missing_format_attribute:1; /**< If '-Wformat' is enabled, also warn about functions which might be candidates for 'format' attributes */ #endif - bool redundant_decls:1; /* Warn about redundant declarations */ + bool missing_noreturn:1; /**< Warn about functions which might be candidates for attribute 'noreturn' */ + bool missing_prototypes:1; /**< Warn if a global function is defined without a previous prototype declaration */ + bool multichar:1; /**< Warn if a multicharacter constant ('FOOF') is used. */ + bool nested_externs:1; /**< Warn if an 'extern' declaration is encountered within a function. */ + bool nonnull:1; /**< Warn about passing a null pointer for arguments marked nonnull. */ + bool old_style_definition:1; /**< Warn if an old-style function definition is used. */ + bool packed:1; /**< Warn if a structure is given the packed attribute, but the packed attribute has no effect on the layout or size of the structure */ + bool padded:1; /**< Warn if padding is included in a structure, either to align an element of the structure or to align the whole structure */ + bool parentheses:1; /**< Warn if parentheses are omitted in certain contexts (assignment where truth value is expected, if-else-braces) */ + bool pointer_arith:1; /**< Warn about anything that depends on the "size of" a function type or of 'void' */ #if 0 // TODO - bool return_type:1; /* Warn about function definitions with a return-type that defaults to 'int'. Also warn about any 'return' statement with no return-value in a function whose return-type is not 'void'. */ + bool pointer_to_int_cast:1; /**< Warn if cast from pointer to integer of different size. */ #endif - bool s_are_errors:1; /* Treat warnings as errors */ + bool redundant_decls:1; /**< Warn about redundant declarations */ + bool return_type:1; /* TODO not fully implemented */ /**< Warn about function definitions with a return-type that defaults to 'int'. Also warn about any 'return' statement with no return-value in a function whose return-type is not 'void'. */ + bool s_are_errors:1; /**< Treat warnings as errors */ #if 0 // TODO - bool sequence_point:1; /* Warn about code that may have undefined semantics because of violations of sequence point rules */ - bool shadow:1; /* Warn whenever a local variable shadows another local variable, parameter or global variable or whenever a built-in function is shadowed */ - bool sign_compare:1; /* Warn when a comparison between signed and unsigned values could produce an incorrect result when the signed value is converted to unsigned */ - bool strict_aliasing:1; /* Warn about code which might break the strict aliasing rules that the compiler is using for optimization. */ + bool sequence_point:1; /**< Warn about code that may have undefined semantics because of violations of sequence point rules */ #endif - bool strict_prototypes:1; /* warn if a function declaration has an unspecified parameter list */ + bool shadow:1; /**< Warn whenever a local variable shadows another local variable, parameter or global variable or whenever a built-in function is shadowed */ + bool sign_compare:1; /**< Warn when a comparison between signed and unsigned values could produce an incorrect result when the signed value is converted to unsigned */ #if 0 // TODO - bool switch_default:1; /* Warn whenever a 'switch' statement does not have a 'default' case */ - bool switch_enum:1; /* Warn about 'switch' statements with an enum as index type and missing case labels or case labels outside the enum range TODO has an alias -Wswitch? */ - bool traditional:1; /* Warn about certain constructs that behave differently in traditional and ISO C */ - bool undef:1; /* Warn if an undefined identifier is evaluated in an '#if' directive */ - bool uninitialized:1; /* Warn if an automatic variable is used without being initialized or if a variable may be clobbered by a 'setjmp' call. */ - bool unknown_pragmas:1; /* Warn when a #pragma directive is encountered which is not understood by GCC */ - bool unreachable_code:1; /* Warn if the compiler detects that code will never be executed */ - bool unused_function:1; /* Warn whenever a static function is declared but not defined or a non-inline static function is unused */ - bool unused_label:1; /* Warn whenever a label is declared but not used */ - bool unused_parameter:1; /* Warn whenever a function parameter is unused aside from its declaration */ - bool unused_variable:1; /* Warn whenever a local variable or non-constant static variable is unused aside from its declaration */ + bool strict_aliasing:1; /**< Warn about code which might break the strict aliasing rules that the compiler is using for optimization. */ #endif - bool unused_value:1; /* Warn whenever a statement computes a result that is explicitly not used */ + bool strict_prototypes:1; /**< Warn if a function declaration has an unspecified parameter list */ + bool switch_default:1; /**< Warn whenever a 'switch' statement does not have a 'default' case */ + bool switch_enum:1; /**< Warn about 'switch' statements with an enum as index type and missing case labels or case labels outside the enum range TODO has an alias -Wswitch? */ + bool traditional:1; /**< Warn about certain constructs that behave differently in traditional and ISO C */ #if 0 // TODO - bool write_strings:1; /* Give string constants the type 'const char[LENGTH]' so that copying the address of one into a 'char *' pointer will get a warning */ + bool undef:1; /**< Warn if an undefined identifier is evaluated in an '#if' directive */ #endif + bool uninitialized:1; /**< Warn if an automatic variable is used without being initialized or if a variable may be clobbered by a 'setjmp' call. */ + bool unknown_pragmas:1; /**< Warn when a #pragma directive is encountered which is not understood */ + bool unreachable_code:1; /**< Warn if the compiler detects that code will never be executed */ + bool unused_function:1; /**< Warn whenever a static function is declared but not defined or a non-inline static function is unused */ + bool unused_label:1; /**< Warn whenever a label is declared but not used */ + bool unused_parameter:1; /**< Warn whenever a function parameter is unused aside from its declaration */ + bool unused_value:1; /**< Warn whenever a statement computes a result that is explicitly not used */ + bool unused_variable:1; /**< Warn whenever a local variable or non-constant static variable is unused aside from its declaration */ + bool write_strings:1; /**< Give string constants the type 'const char[LENGTH]' so that copying the address of one into a 'char *' pointer will get a warning */ } warning_t; extern warning_t warning;