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316 Commits

Author SHA1 Message Date
Rui Ueyama 6d344ed945 Add -fcommon and -fno-common flags 2020-12-07 12:00:06 +09:00
Rui Ueyama 85e46b1071 Add tentative definition 2020-12-07 12:00:06 +09:00
Rui Ueyama 1b99badce4 Add offsetof 2020-12-07 12:00:06 +09:00
Rui Ueyama 11fc259b01 Add -idirafter option 2020-12-07 12:00:06 +09:00
Rui Ueyama 6a2dc5a48a Use __attribute__((format(print, ...))) to find programming errors 2020-12-07 12:00:06 +09:00
Rui Ueyama e5f4ca90fd Do not emit static inline functions if referenced by no one 2020-12-07 12:00:06 +09:00
Rui Ueyama 31087f8d4b Handle inline functions as static functions 2020-12-07 12:00:06 +09:00
Rui Ueyama a2535163e2 Add basic "asm" statement 2020-12-07 12:00:06 +09:00
Rui Ueyama e28a612e9c [GNU] Add ?: operator with omitted operand 2020-12-07 12:00:06 +09:00
Rui Ueyama aee7891acb [GNU] Allow sizeof(<function type>) 2020-12-07 12:00:06 +09:00
Rui Ueyama 1faab48ecf Add _Generic 2020-12-07 12:00:06 +09:00
Rui Ueyama 1433b404d6 [GNU] Add __builtin_types_compatible_p 2020-12-07 12:00:06 +09:00
Rui Ueyama 7d80a5136d Add typeof 2020-12-07 12:00:06 +09:00
Rui Ueyama 007e526ec5 [GNU] Support GCC-style variadic macro 2020-12-07 12:00:06 +09:00
Rui Ueyama 74ec9f6f39 Ignore #pragma 2020-12-07 12:00:06 +09:00
Rui Ueyama 083c27559e [GNU] Handle ,##__VA_ARG__ 2020-12-07 12:00:06 +09:00
Rui Ueyama 338144869f Add __VA_OPT__ 2020-12-07 12:00:06 +09:00
Rui Ueyama 3a10c8aa44 [GNU] Add __BASE_FILE__ macro 2020-12-07 12:00:06 +09:00
Rui Ueyama 922604ae1e [GNU] Add __TIMESTAMP__ macro 2020-12-07 12:00:06 +09:00
Rui Ueyama aaf20fb96e [GNU] Add line marker directive 2020-12-07 12:00:06 +09:00
Rui Ueyama c61c0d0025 Add #line 2020-12-07 12:00:06 +09:00
Rui Ueyama 37998be0c1 Improve error message for multibyte characters 2020-12-07 12:00:06 +09:00
Rui Ueyama 95eb5b01b3 Handle struct designator for anonymous struct member 2020-12-07 12:00:06 +09:00
Rui Ueyama 31dc1dfa21 Add union designated initializer 2020-12-07 12:00:06 +09:00
Rui Ueyama 67f5834378 Add struct designated initializer 2020-12-07 12:00:06 +09:00
Rui Ueyama 691c4fac15 [GNU] Allow to omit "=" in designated initializers 2020-12-07 12:00:06 +09:00
Rui Ueyama 835cd24b2c Allow array designators to initialize incomplete arrays 2020-12-07 12:00:06 +09:00
Rui Ueyama c618c3b582 Add array designated initializer 2020-12-07 12:00:06 +09:00
Rui Ueyama 2b2fa25507 Skip UTF-8 BOM markers 2020-12-07 12:00:06 +09:00
Rui Ueyama 238277714d Allow to concatenate regular string literals with L/u/U string literals 2020-12-07 12:00:06 +09:00
Rui Ueyama adb8b98889 [GNU] Accept $ as an identifier character 2020-12-07 12:00:06 +09:00
Rui Ueyama 0e5d250ebf Allow multibyte UTF-8 character in identifier 2020-12-07 12:00:06 +09:00
Rui Ueyama e4491b8115 Define __STDC_UTF_{16,32}__ macros 
These predefined macros indicates that our u and U chars/strings
are UTF-16 and UTF-32-encoded, respectively.
 2020-12-07 12:00:06 +09:00
Rui Ueyama 6adba75af8 Add UTF-32 string literal initializer 2020-12-07 12:00:06 +09:00
Rui Ueyama 36230e0827 Add UTF-16 string literal initializer 2020-12-07 12:00:06 +09:00
Rui Ueyama cae061af2b Add wide string literal 2020-12-07 12:00:06 +09:00
Rui Ueyama c467ee665d Add UTF-32 string literal 2020-12-07 12:00:06 +09:00
Rui Ueyama 9cabe1f204 Add UTF-16 string literal 2020-12-07 12:00:06 +09:00
Rui Ueyama 57b21fe902 Add UTF-8 string literal 2020-12-07 12:00:06 +09:00
Rui Ueyama 2dac3afece Add UTF-32 character literal 2020-12-07 12:00:06 +09:00
Rui Ueyama 454618cd15 Add UTF-16 character literal 2020-12-07 12:00:06 +09:00
Rui Ueyama a57c661d46 Accept multibyte character as wide character literal 
On most Unix-like systems, wide character literal is 32-bit long
and encodes a Unicode code point. On Windows, that is 16-bit
long and encodes a UTF-16 code unit. Clearly, there's a portability
issue here. Personally I've never used wide characters in my code
as I didn't find it useful.

Being said that, some header files contain wide character literal,
so we need to support that so that chibicc can include such files.

We assume that source files are always encoded in UTF-8.
 2020-12-07 12:00:06 +09:00
Rui Ueyama c31886aa7a Add \u and \U escape sequences 2020-12-07 12:00:06 +09:00
Rui Ueyama 74bcec5b22 Canonicalize newline character 2020-12-07 12:00:06 +09:00
Rui Ueyama 0e77f3dff8 [GNU] Add __COUNTER__ macro 2020-12-07 12:00:06 +09:00
Rui Ueyama e27417fcde Add __DATE__ and __TIME__ macros 2020-12-07 12:00:06 +09:00
Rui Ueyama c3075b3030 Add anonymous struct and union 2020-12-07 12:00:06 +09:00
Rui Ueyama 9c36dd727c Make "main" to implicitly return 0 2020-12-07 12:00:06 +09:00
Rui Ueyama 5257ee0f20 Make an array of at least 16 bytes long to have alignment of at least 16 bytes 
Quote from AMD64 System V ABI: "An array uses the same alignment as
its elements, except that a local or global array variable of length
at least 16 bytes or a C99 variable-length array variable always has
alignment of at least 16 bytes."
 2020-12-07 12:00:06 +09:00
Rui Ueyama 2c91da54df Turn on -Wall compiler flag and fix compiler warnings 2020-12-07 12:00:06 +09:00