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279 Commits

Author SHA1 Message Date
Rui Ueyama 197689a22b Check the number of function arguments 2020-12-07 12:00:06 +09:00
Rui Ueyama 754a24fafc Add va_start to support variadic functions 2020-12-07 12:00:06 +09:00
Rui Ueyama 58fc86137c Allow to call a variadic function 2020-12-07 12:00:06 +09:00
Rui Ueyama dcd4579226 Handle a function returning bool, char or short 
x86-64 psABI says that only the least significant 8 bits are
significant if RAX has a return value of a function returning bool.
Likewise, it looks like only the least significant 1 or 2 bytes
are guaranteed to have a correct value for char and short return
values, respectively.
 2020-12-07 12:00:06 +09:00
Rui Ueyama 6a0ed71107 Align stack frame to 16 byte boundaries 2020-12-07 12:00:06 +09:00
Rui Ueyama ee252e6ce7 Add do ... while 2020-12-07 12:00:06 +09:00
Rui Ueyama eb85527656 Add static global variables 2020-12-07 12:00:06 +09:00
Rui Ueyama 30b3e216cd Add return that doesn't take any value 2020-12-07 12:00:06 +09:00
Rui Ueyama 127056dc1d Add compound literals 2020-12-07 12:00:06 +09:00
Rui Ueyama 319772b42e Add static local variables 2020-12-07 12:00:06 +09:00
Rui Ueyama 310a87e15e [GNU] Allow a variable as an operand of _Alignof 2020-12-07 12:00:06 +09:00
Rui Ueyama 9df51789e7 Add _Alignof and _Alignas 2020-12-07 12:00:06 +09:00
Rui Ueyama 27647455e4 Handle extern declarations in a block 2020-12-07 12:00:06 +09:00
Rui Ueyama 006a45ccd4 Add extern 2020-12-07 12:00:06 +09:00
Rui Ueyama 157356c769 Align global variables 2020-12-07 12:00:06 +09:00
Rui Ueyama 7a1f816783 Accept `void` as a parameter list 
`foo(void)` indicate that function foo does not take a parameter.
 2020-12-07 12:00:06 +09:00
Rui Ueyama cd688a89b8 Allow to initialize struct flexible array member 2020-12-07 12:00:06 +09:00
Rui Ueyama 824543bb2f Add flexible array member 2020-12-07 12:00:06 +09:00
Rui Ueyama 3d216e3e06 Emit uninitialized global data to .bss instead of .data 2020-12-07 12:00:06 +09:00
Rui Ueyama fde464c47c Allow extraneous comma at the end of enum or initializer list 2020-12-07 12:00:06 +09:00
Rui Ueyama a58958ccb4 Allow extraneous braces for scalar initializer 2020-12-07 12:00:06 +09:00
Rui Ueyama efa0f3366d Allow parentheses in initializers to be omitted 2020-12-07 12:00:06 +09:00
Rui Ueyama 1eae5ae367 Handle union initializers for global variable 2020-12-07 12:00:06 +09:00
Rui Ueyama eeb62b6dd5 Add struct initializer for global variable 2020-12-07 12:00:06 +09:00
Rui Ueyama bbfe3f4369 Add global initializer for scalar and string 2020-12-07 12:00:06 +09:00
Rui Ueyama 483b194a80 Handle union initializers for local variables 2020-12-07 12:00:06 +09:00
Rui Ueyama aca19dd350 Allow to initialize a struct with other struct 2020-12-07 12:00:06 +09:00
Rui Ueyama e9d2c46ab3 Handle struct initializers for local variables 2020-12-07 12:00:06 +09:00
Rui Ueyama 5b95533603 Allow to omit array length if an initializer is given 
So that you can write something like `int x[] = {1, 2, 3}`
instead of `int x[3] = {1, 2, 3}`.
 2020-12-07 12:00:06 +09:00
Rui Ueyama 0d717373cc Add string literal initializer 2020-12-07 12:00:06 +09:00
Rui Ueyama a754732c04 Skip excess initializer elements 2020-12-07 12:00:06 +09:00
Rui Ueyama ae0a37dc4b Initialize excess array elements with zero 2020-12-07 12:00:06 +09:00
Rui Ueyama 22dd560ecf Support local variable initializers 2020-12-07 12:00:06 +09:00
Rui Ueyama 79f5de21eb Add constant expression 2020-12-07 12:00:06 +09:00
Rui Ueyama 447ee098c5 Add ?: operator 2020-12-07 12:00:06 +09:00
Rui Ueyama d0c0cb74b2 Add <<, >>, <<= and >>= 2020-12-07 12:00:06 +09:00
Rui Ueyama 044d9ae07b Add switch-case 2020-12-07 12:00:06 +09:00
Rui Ueyama 3c83dfd8af Add continue statement 2020-12-07 12:00:06 +09:00
Rui Ueyama b3047f2317 Add break statement 2020-12-07 12:00:06 +09:00
Rui Ueyama a4be55b333 Resolve conflict between labels and typedefs 2020-12-07 12:00:06 +09:00
Rui Ueyama 6116cae4c4 Add goto and labeled statement 2020-12-07 12:00:06 +09:00
Rui Ueyama 61a1055120 Add a notion of an incomplete struct type 2020-12-07 12:00:06 +09:00
Rui Ueyama 79632219d0 Decay an array to a pointer in the func param context 2020-12-07 12:00:06 +09:00
Rui Ueyama 29ed294906 Add a notion of an incomplete array type 2020-12-07 12:00:06 +09:00
Rui Ueyama f30f78175c Add && and || 2020-12-07 12:00:06 +09:00
Rui Ueyama 86440068b4 Add &, |, ^, &=, |= and ^= 2020-12-07 12:00:06 +09:00
Rui Ueyama daa739817c Add % and %= 2020-12-07 12:00:06 +09:00
Rui Ueyama 46a96d6862 Add ~ operator 2020-12-07 12:00:06 +09:00
Rui Ueyama 6b88bcb306 Add ! operator 2020-12-07 12:00:06 +09:00
Rui Ueyama 7df934d2b6 Add hexadecimal, octal and binary number literals 2020-12-07 12:00:06 +09:00