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cgen: definitions + other fixes; calloc fix

pull/3937/head
Alexander Medvednikov 2020-03-04 17:08:28 +01:00
parent 37453945d0
commit f27f832ede
13 changed files with 370 additions and 31 deletions
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12
vlib/builtin/array.v
View File

@ -29,7 +29,7 @@ fn new_array(mylen int, cap int, elm_size int) array {
len: mylen len: mylen
cap: cap_ cap: cap_
element_size: elm_size element_size: elm_size
data: calloc(cap_ * elm_size) data: vcalloc(cap_ * elm_size)
} }
return arr return arr
} }
@ -46,7 +46,7 @@ fn new_array_from_c_array(len, cap, elm_size int, c_array voidptr) array {
len: len len: len
cap: cap cap: cap
element_size: elm_size element_size: elm_size
data: calloc(cap_ * elm_size) data: vcalloc(cap_ * elm_size)
} }
// TODO Write all memory functions (like memcpy) in V // TODO Write all memory functions (like memcpy) in V
C.memcpy(arr.data, c_array, len * elm_size) C.memcpy(arr.data, c_array, len * elm_size)
@ -74,7 +74,7 @@ fn (a mut array) ensure_cap(required int) {
cap *= 2 cap *= 2
} }
if a.cap == 0 { if a.cap == 0 {
a.data = calloc(cap * a.element_size) a.data = vcalloc(cap * a.element_size)
} }
else { else {
a.data = C.realloc(a.data, cap * a.element_size) a.data = C.realloc(a.data, cap * a.element_size)
@ -95,7 +95,7 @@ pub fn (a array) repeat(count int) array {
len: count * a.len len: count * a.len
cap: count * a.len cap: count * a.len
element_size: a.element_size element_size: a.element_size
data: calloc(size) data: vcalloc(size)
} }
for i in 0..count { for i in 0..count {
C.memcpy(arr.data + i * a.len * a.element_size, a.data, a.len * a.element_size) C.memcpy(arr.data + i * a.len * a.element_size, a.data, a.len * a.element_size)
@ -264,7 +264,7 @@ pub fn (a array) clone() array {
len: a.len len: a.len
cap: a.cap cap: a.cap
element_size: a.element_size element_size: a.element_size
data: calloc(size) data: vcalloc(size)
} }
C.memcpy(arr.data, a.data, a.cap * a.element_size) C.memcpy(arr.data, a.data, a.cap * a.element_size)
return arr return arr
@ -335,7 +335,7 @@ pub fn (a array) reverse() array {
len: a.len len: a.len
cap: a.cap cap: a.cap
element_size: a.element_size element_size: a.element_size
data: calloc(a.cap * a.element_size) data: vcalloc(a.cap * a.element_size)
} }
for i in 0..a.len { for i in 0..a.len {
C.memcpy(arr.data + i * arr.element_size, &a[a.len - 1 - i], arr.element_size) C.memcpy(arr.data + i * arr.element_size, &a[a.len - 1 - i], arr.element_size)

5
vlib/builtin/builtin.v
View File

@ -160,8 +160,11 @@ TODO
*/ */
} }
pub fn v_calloc(n int) byteptr {
return C.calloc(n, 1)
}
pub fn calloc(n int) byteptr { pub fn vcalloc(n int) byteptr {
if n <= 0 { if n <= 0 {
panic('calloc(<=0)') panic('calloc(<=0)')
} }

1
vlib/builtin/cfns.v
View File

@ -4,6 +4,7 @@ fn C.memcpy(byteptr, byteptr, int) voidptr
fn C.memmove(byteptr, byteptr, int) voidptr fn C.memmove(byteptr, byteptr, int) voidptr
fn C.calloc(int) byteptr
// fn C.malloc(int) byteptr // fn C.malloc(int) byteptr
fn C.realloc(a byteptr, b int) byteptr fn C.realloc(a byteptr, b int) byteptr

2
vlib/builtin/int.v
View File

@ -18,7 +18,7 @@ pub fn (nn int) str() string {
return '0' return '0'
} }
max := 16 max := 16
mut buf := calloc(max + 1) mut buf := vcalloc(max + 1)
mut len := 0 mut len := 0
mut is_neg := false mut is_neg := false
if n < 0 { if n < 0 {

6
vlib/builtin/map.v
View File

@ -62,7 +62,7 @@ mut:
fn new_map(n, value_bytes int) map { fn new_map(n, value_bytes int) map {
probe_hash_bytes := sizeof(u32) * init_capicity probe_hash_bytes := sizeof(u32) * init_capicity
key_value_bytes := sizeof(KeyValue) * init_capicity key_value_bytes := sizeof(KeyValue) * init_capicity
memory := calloc(key_value_bytes + probe_hash_bytes) memory := vcalloc(key_value_bytes + probe_hash_bytes)
return map{ return map{
value_bytes: value_bytes value_bytes: value_bytes
range_cap: init_range_cap range_cap: init_range_cap
@ -157,7 +157,7 @@ fn (m mut map) expand() {
fn (m mut map) rehash(old_range_cap u32) { fn (m mut map) rehash(old_range_cap u32) {
probe_hash_bytes := sizeof(u32) * (m.range_cap + 1) probe_hash_bytes := sizeof(u32) * (m.range_cap + 1)
key_value_bytes := sizeof(KeyValue) * (m.range_cap + 1) key_value_bytes := sizeof(KeyValue) * (m.range_cap + 1)
memory := calloc(probe_hash_bytes + key_value_bytes) memory := vcalloc(probe_hash_bytes + key_value_bytes)
mut new_key_values := &KeyValue(memory) mut new_key_values := &KeyValue(memory)
mut new_probe_hash := &u32(memory + key_value_bytes) mut new_probe_hash := &u32(memory + key_value_bytes)
for i := u32(0); i < old_range_cap + 1; i++ { for i := u32(0); i < old_range_cap + 1; i++ {
@ -207,7 +207,7 @@ fn (m mut map) rehash(old_range_cap u32) {
fn (m mut map) cached_rehash(old_range_cap u32) { fn (m mut map) cached_rehash(old_range_cap u32) {
probe_hash_bytes := sizeof(u32) * (m.range_cap + 1) probe_hash_bytes := sizeof(u32) * (m.range_cap + 1)
key_value_bytes := sizeof(KeyValue) * (m.range_cap + 1) key_value_bytes := sizeof(KeyValue) * (m.range_cap + 1)
memory := calloc(probe_hash_bytes + key_value_bytes) memory := vcalloc(probe_hash_bytes + key_value_bytes)
mut new_probe_hash := &u32(memory + key_value_bytes) mut new_probe_hash := &u32(memory + key_value_bytes)
mut new_key_values := &KeyValue(memory) mut new_key_values := &KeyValue(memory)
for i := u32(0); i < old_range_cap + 1; i++ { for i := u32(0); i < old_range_cap + 1; i++ {

2
vlib/compiler/cheaders.v
View File

@ -289,7 +289,7 @@ var map_int = function() {}
//#include <inttypes.h> // int64_t etc //#include <inttypes.h> // int64_t etc
//#include <stdint.h> // int64_t etc //#include <stdint.h> // int64_t etc
//================================== TYPEDEFS ================================*/ //================================== 1TYPEDEFS ================================*/
typedef int64_t i64; typedef int64_t i64;
typedef int16_t i16; typedef int16_t i16;

4
vlib/compiler/table.v
View File

@ -164,7 +164,9 @@ const (
c_reserved = ['delete', 'exit', 'unix', c_reserved = ['delete', 'exit', 'unix',
// 'print', // 'print',
// 'ok', // 'ok',
'error', 'malloc', 'calloc', 'free', 'panic', 'error', 'malloc',
//'calloc',
'free', 'panic',
// Full list of C reserved words, from: https://en.cppreference.com/w/c/keyword // Full list of C reserved words, from: https://en.cppreference.com/w/c/keyword
'auto', 'char', 'default', 'do', 'double', 'extern', 'float', 'inline', 'int', 'long', 'register', 'restrict', 'short', 'signed', 'sizeof', 'static', 'switch', 'typedef', 'union', 'unsigned', 'void', 'volatile', 'while', ] 'auto', 'char', 'default', 'do', 'double', 'extern', 'float', 'inline', 'int', 'long', 'register', 'restrict', 'short', 'signed', 'sizeof', 'static', 'switch', 'typedef', 'union', 'unsigned', 'void', 'volatile', 'while', ]
) )

18
vlib/os/os.v
View File

@ -840,7 +840,7 @@ fn C.readlink() int
// process. // process.
pub fn executable() string { pub fn executable() string {
$if linux { $if linux {
mut result := calloc(MAX_PATH) mut result := vcalloc(MAX_PATH)
count := C.readlink('/proc/self/exe', result, MAX_PATH) count := C.readlink('/proc/self/exe', result, MAX_PATH)
if count < 0 { if count < 0 {
eprintln('os.executable() failed at reading /proc/self/exe to get exe path') eprintln('os.executable() failed at reading /proc/self/exe to get exe path')
@ -850,12 +850,12 @@ pub fn executable() string {
} }
$if windows { $if windows {
max := 512 max := 512
mut result := &u16(calloc(max * 2)) // MAX_PATH * sizeof(wchar_t) mut result := &u16(vcalloc(max * 2)) // MAX_PATH * sizeof(wchar_t)
len := C.GetModuleFileName(0, result, max) len := C.GetModuleFileName(0, result, max)
return string_from_wide2(result, len) return string_from_wide2(result, len)
} }
$if macos { $if macos {
mut result := calloc(MAX_PATH) mut result := vcalloc(MAX_PATH)
pid := C.getpid() pid := C.getpid()
ret := proc_pidpath(pid, result, MAX_PATH) ret := proc_pidpath(pid, result, MAX_PATH)
if ret <= 0 { if ret <= 0 {
@ -865,7 +865,7 @@ pub fn executable() string {
return string(result) return string(result)
} }
$if freebsd { $if freebsd {
mut result := calloc(MAX_PATH) mut result := vcalloc(MAX_PATH)
mib := [1/* CTL_KERN */, 14/* KERN_PROC */, 12/* KERN_PROC_PATHNAME */, -1] mib := [1/* CTL_KERN */, 14/* KERN_PROC */, 12/* KERN_PROC_PATHNAME */, -1]
size := MAX_PATH size := MAX_PATH
C.sysctl(mib.data, 4, result, &size, 0, 0) C.sysctl(mib.data, 4, result, &size, 0, 0)
@ -879,7 +879,7 @@ pub fn executable() string {
$if solaris {} $if solaris {}
$if haiku {} $if haiku {}
$if netbsd { $if netbsd {
mut result := calloc(MAX_PATH) mut result := vcalloc(MAX_PATH)
count := C.readlink('/proc/curproc/exe', result, MAX_PATH) count := C.readlink('/proc/curproc/exe', result, MAX_PATH)
if count < 0 { if count < 0 {
eprintln('os.executable() failed at reading /proc/curproc/exe to get exe path') eprintln('os.executable() failed at reading /proc/curproc/exe to get exe path')
@ -888,7 +888,7 @@ pub fn executable() string {
return string(result,count) return string(result,count)
} }
$if dragonfly { $if dragonfly {
mut result := calloc(MAX_PATH) mut result := vcalloc(MAX_PATH)
count := C.readlink('/proc/curproc/file', result, MAX_PATH) count := C.readlink('/proc/curproc/file', result, MAX_PATH)
if count < 0 { if count < 0 {
eprintln('os.executable() failed at reading /proc/curproc/file to get exe path') eprintln('os.executable() failed at reading /proc/curproc/file to get exe path')
@ -952,13 +952,13 @@ pub fn chdir(path string) {
pub fn getwd() string { pub fn getwd() string {
$if windows { $if windows {
max := 512 // MAX_PATH * sizeof(wchar_t) max := 512 // MAX_PATH * sizeof(wchar_t)
buf := &u16(calloc(max * 2)) buf := &u16(vcalloc(max * 2))
if C._wgetcwd(buf, max) == 0 { if C._wgetcwd(buf, max) == 0 {
return '' return ''
} }
return string_from_wide(buf) return string_from_wide(buf)
} $else { } $else {
buf := calloc(512) buf := vcalloc(512)
if C.getcwd(buf, 512) == 0 { if C.getcwd(buf, 512) == 0 {
return '' return ''
} }
@ -972,7 +972,7 @@ pub fn getwd() string {
// and https://insanecoding.blogspot.com/2007/11/implementing-realpath-in-c.html // and https://insanecoding.blogspot.com/2007/11/implementing-realpath-in-c.html
// NB: this particular rabbit hole is *deep* ... // NB: this particular rabbit hole is *deep* ...
pub fn realpath(fpath string) string { pub fn realpath(fpath string) string {
mut fullpath := calloc(MAX_PATH) mut fullpath := vcalloc(MAX_PATH)
mut ret := charptr(0) mut ret := charptr(0)
$if windows { $if windows {
ret = C._fullpath(fullpath, fpath.str, MAX_PATH) ret = C._fullpath(fullpath, fpath.str, MAX_PATH)

1
vlib/v/ast/ast.v
View File

@ -139,6 +139,7 @@ pub:
receiver Field receiver Field
is_method bool is_method bool
rec_mut bool // is receiver mutable rec_mut bool // is receiver mutable
is_c bool
} }
pub struct BranchStmt { pub struct BranchStmt {

7
vlib/v/builder/builder.v
View File

@ -51,7 +51,12 @@ pub fn (b mut Builder) gen_c(v_files []string) string {
pub fn (b mut Builder) build_c(v_files []string, out_file string) { pub fn (b mut Builder) build_c(v_files []string, out_file string) {
println('build_c($out_file)') println('build_c($out_file)')
os.write_file(out_file, b.gen_c(v_files)) mut f := os.create(out_file) or {
panic(err)
}
f.writeln(b.gen_c(v_files))
f.close()
// os.write_file(out_file, b.gen_c(v_files))
} }
pub fn (b mut Builder) build_x64(v_files []string, out_file string) { pub fn (b mut Builder) build_x64(v_files []string, out_file string) {

19
vlib/v/gen/cgen.v
View File

@ -9,6 +9,7 @@ import (
struct Gen { struct Gen {
out strings.Builder out strings.Builder
typedefs strings.Builder
definitions strings.Builder // typedefs, defines etc (everything that goes to the top of the file) definitions strings.Builder // typedefs, defines etc (everything that goes to the top of the file)
table &table.Table table &table.Table
mut: mut:
@ -17,17 +18,26 @@ mut:
} }
pub fn cgen(files []ast.File, table &table.Table) string { pub fn cgen(files []ast.File, table &table.Table) string {
println('start cgen') println('start cgen2')
mut g := Gen{ mut g := Gen{
out: strings.new_builder(100) out: strings.new_builder(100)
typedefs: strings.new_builder(100)
definitions: strings.new_builder(100) definitions: strings.new_builder(100)
table: table table: table
fn_decl: 0 fn_decl: 0
} }
g.init()
for file in files { for file in files {
g.stmts(file.stmts) g.stmts(file.stmts)
} }
return g.definitions.str() + g.out.str() return g.typedefs.str() + g.definitions.str() + g.out.str()
}
pub fn (g mut Gen) init() {
g.definitions.writeln('// Generated by the V compiler')
g.definitions.writeln('#include <inttypes.h>') // int64_t etc
g.definitions.writeln(c_builtin_types)
g.definitions.writeln(c_headers)
} }
pub fn (g &Gen) save() {} pub fn (g &Gen) save() {}
@ -126,6 +136,9 @@ fn (g mut Gen) stmt(node ast.Stmt) {
} }
} }
ast.FnDecl { ast.FnDecl {
if it.is_c {
return
}
g.reset_tmp_count() g.reset_tmp_count()
g.fn_decl = it // &it g.fn_decl = it // &it
is_main := it.name == 'main' is_main := it.name == 'main'
@ -232,6 +245,8 @@ fn (g mut Gen) stmt(node ast.Stmt) {
g.writeln('\t$field_type_sym.name $field.name;') g.writeln('\t$field_type_sym.name $field.name;')
} }
g.writeln('} $it.name;') g.writeln('} $it.name;')
name := it.name.replace('.', '__')
g.typedefs.writeln('typedef struct $name $name;')
} }
ast.TypeDecl { ast.TypeDecl {
g.writeln('// type') g.writeln('// type')

310
vlib/v/gen/cheaders.v 100644
View File

@ -0,0 +1,310 @@
module gen
const (
c_common_macros = '
#define EMPTY_STRUCT_DECLARATION
#define EMPTY_STRUCT_INITIALIZATION 0
// Due to a tcc bug, the length of an array needs to be specified, but GCC crashes if it is...
#define EMPTY_ARRAY_OF_ELEMS(x,n) (x[])
#define TCCSKIP(x) x
#ifdef __TINYC__
#undef EMPTY_STRUCT_DECLARATION
#undef EMPTY_STRUCT_INITIALIZATION
#define EMPTY_STRUCT_DECLARATION char _dummy
#define EMPTY_STRUCT_INITIALIZATION 0
#undef EMPTY_ARRAY_OF_ELEMS
#define EMPTY_ARRAY_OF_ELEMS(x,n) (x[n])
#undef TCCSKIP
#define TCCSKIP(x)
#endif
// for __offset_of
#ifndef __offsetof
#define __offsetof(s,memb) \\
((size_t)((char *)&((s *)0)->memb - (char *)0))
#endif
#define OPTION_CAST(x) (x)
#ifndef V64_PRINTFORMAT
#ifdef PRIx64
#define V64_PRINTFORMAT "0x%"PRIx64
#elif defined(__WIN32__)
#define V64_PRINTFORMAT "0x%I64x"
#elif defined(__LINUX__) && defined(__LP64__)
#define V64_PRINTFORMAT "0x%lx"
#else
#define V64_PRINTFORMAT "0x%llx"
#endif
#endif
'
c_headers = '
// c_headers
#include <stdio.h> // TODO remove all these includes, define all function signatures and types manually
#include <stdlib.h>
//#include "fns.h"
#include <signal.h>
#include <stdarg.h> // for va_list
#include <string.h> // memcpy
#if INTPTR_MAX == INT32_MAX
#define TARGET_IS_32BIT 1
#elif INTPTR_MAX == INT64_MAX
#define TARGET_IS_64BIT 1
#else
#error "The environment is not 32 or 64-bit."
#endif
#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ || defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN || defined(__BIG_ENDIAN__) || defined(__ARMEB__) || defined(__THUMBEB__) || defined(__AARCH64EB__) || defined(_MIBSEB) || defined(__MIBSEB) || defined(__MIBSEB__)
#define TARGET_ORDER_IS_BIG
#elif defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ || defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN || defined(__LITTLE_ENDIAN__) || defined(__ARMEL__) || defined(__THUMBEL__) || defined(__AARCH64EL__) || defined(_MIPSEL) || defined(__MIPSEL) || defined(__MIPSEL__) || defined(_M_AMD64) || defined(_M_X64) || defined(_M_IX86)
#define TARGET_ORDER_IS_LITTLE
#else
#error "Unknown architecture endianness"
#endif
#ifndef _WIN32
#include <ctype.h>
#include <locale.h> // tolower
#include <sys/time.h>
#include <unistd.h> // sleep
#endif
#if defined(__CYGWIN__) && !defined(_WIN32)
#error Cygwin is not supported, please use MinGW or Visual Studio.
#endif
#ifdef __linux__
#include <sys/types.h>
#include <sys/wait.h> // os__wait uses wait on nix
#endif
#ifdef __FreeBSD__
#include <sys/types.h>
#include <sys/wait.h> // os__wait uses wait on nix
#endif
#ifdef __DragonFly__
#include <sys/types.h>
#include <sys/wait.h> // os__wait uses wait on nix
#endif
#ifdef __OpenBSD__
#include <sys/types.h>
#include <sys/resource.h>
#include <sys/wait.h> // os__wait uses wait on nix
#endif
#ifdef __NetBSD__
#include <sys/wait.h> // os__wait uses wait on nix
#endif
$c_common_macros
#ifdef _WIN32
#define WINVER 0x0600
#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#endif
#define _WIN32_WINNT 0x0600
#define WIN32_LEAN_AND_MEAN
#define _UNICODE
#define UNICODE
#include <windows.h>
#include <io.h> // _waccess
#include <direct.h> // _wgetcwd
//#include <WinSock2.h>
#ifdef _MSC_VER
// On MSVC these are the same (as long as /volatile:ms is passed)
#define _Atomic volatile
// MSVC cannot parse some things properly
#undef EMPTY_STRUCT_DECLARATION
#undef OPTION_CAST
#define EMPTY_STRUCT_DECLARATION int ____dummy_variable
#define OPTION_CAST(x)
#include <dbghelp.h>
#pragma comment(lib, "Dbghelp.lib")
#endif
#else
#include <pthread.h>
#endif
//============================== HELPER C MACROS =============================*/
#define _PUSH(arr, val, tmp, tmp_typ) {tmp_typ tmp = (val); array_push(arr, &tmp);}
#define _PUSH_MANY(arr, val, tmp, tmp_typ) {tmp_typ tmp = (val); array_push_many(arr, tmp.data, tmp.len);}
#define _IN(typ, val, arr) array_##typ##_contains(arr, val)
#define _IN_MAP(val, m) map_exists(m, val)
#define DEFAULT_EQUAL(a, b) (a == b)
#define DEFAULT_NOT_EQUAL(a, b) (a != b)
#define DEFAULT_LT(a, b) (a < b)
#define DEFAULT_LE(a, b) (a <= b)
#define DEFAULT_GT(a, b) (a > b)
#define DEFAULT_GE(a, b) (a >= b)
// NB: macro_fXX_eq and macro_fXX_ne are NOT used
// in the generated C code. They are here just for
// completeness/testing.
#define macro_f64_eq(a, b) (a == b)
#define macro_f64_ne(a, b) (a != b)
#define macro_f64_lt(a, b) (a < b)
#define macro_f64_le(a, b) (a <= b)
#define macro_f64_gt(a, b) (a > b)
#define macro_f64_ge(a, b) (a >= b)
#define macro_f32_eq(a, b) (a == b)
#define macro_f32_ne(a, b) (a != b)
#define macro_f32_lt(a, b) (a < b)
#define macro_f32_le(a, b) (a <= b)
#define macro_f32_gt(a, b) (a > b)
#define macro_f32_ge(a, b) (a >= b)
//================================== GLOBALS =================================*/
byte g_str_buf[1024];
int load_so(byteptr);
void reload_so();
// ============== wyhash ==============
// Author: Wang Yi <godspeed_china@yeah.net>
#ifndef wyhash_version_4
#define wyhash_version_4
#include <stdint.h>
#include <string.h>
#if defined(_MSC_VER) && defined(_M_X64)
#include <intrin.h>
#pragma intrinsic(_umul128)
#endif
const uint64_t _wyp0=0xa0761d6478bd642full, _wyp1=0xe7037ed1a0b428dbull, _wyp2=0x8ebc6af09c88c6e3ull, _wyp3=0x589965cc75374cc3ull, _wyp4=0x1d8e4e27c47d124full;
static inline uint64_t _wyrotr(uint64_t v, unsigned k) { return (v>>k)|(v<<(64-k)); }
static inline uint64_t _wymum(uint64_t A, uint64_t B) {
#ifdef WYHASH32
uint64_t hh=(A>>32)*(B>>32), hl=(A>>32)*(unsigned)B, lh=(unsigned)A*(B>>32), ll=(uint64_t)(unsigned)A*(unsigned)B;
return _wyrotr(hl,32)^_wyrotr(lh,32)^hh^ll;
#else
#ifdef __SIZEOF_INT128__
__uint128_t r=A; r*=B; return (r>>64)^r;
#elif defined(_MSC_VER) && defined(_M_X64)
A=_umul128(A, B, &B); return A^B;
#else
uint64_t ha=A>>32, hb=B>>32, la=(uint32_t)A, lb=(uint32_t)B, hi, lo;
uint64_t rh=ha*hb, rm0=ha*lb, rm1=hb*la, rl=la*lb, t=rl+(rm0<<32), c=t<rl;
lo=t+(rm1<<32); c+=lo<t;hi=rh+(rm0>>32)+(rm1>>32)+c; return hi^lo;
#endif
#endif
}
#ifndef WYHASH_LITTLE_ENDIAN
#if defined(_WIN32) || defined(__LITTLE_ENDIAN__) || (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define WYHASH_LITTLE_ENDIAN 1
#elif defined(__BIG_ENDIAN__) || (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
#define WYHASH_LITTLE_ENDIAN 0
#endif
#endif
#if(WYHASH_LITTLE_ENDIAN) || defined(__TINYC__)
static inline uint64_t _wyr8(const uint8_t *p) { uint64_t v; memcpy(&v, p, 8); return v; }
static inline uint64_t _wyr4(const uint8_t *p) { unsigned v; memcpy(&v, p, 4); return v; }
#else
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
static inline uint64_t _wyr8(const uint8_t *p) { uint64_t v; memcpy(&v, p, 8); return __builtin_bswap64(v); }
static inline uint64_t _wyr4(const uint8_t *p) { unsigned v; memcpy(&v, p, 4); return __builtin_bswap32(v); }
#elif defined(_MSC_VER)
static inline uint64_t _wyr8(const uint8_t *p) { uint64_t v; memcpy(&v, p, 8); return _byteswap_uint64(v);}
static inline uint64_t _wyr4(const uint8_t *p) { unsigned v; memcpy(&v, p, 4); return _byteswap_ulong(v); }
#endif
#endif
static inline uint64_t _wyr3(const uint8_t *p, unsigned k) { return (((uint64_t)p[0])<<16)|(((uint64_t)p[k>>1])<<8)|p[k-1]; }
static inline uint64_t wyhash(const void* key, uint64_t len, uint64_t seed) {
const uint8_t *p=(const uint8_t*)key; uint64_t i=len&63;
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
#define _like_(x) __builtin_expect(x,1)
#define _unlike_(x) __builtin_expect(x,0)
#else
#define _like_(x) (x)
#define _unlike_(x) (x)
#endif
if(_unlike_(!i)) { }
else if(_unlike_(i<4)) seed=_wymum(_wyr3(p,i)^seed^_wyp0,seed^_wyp1);
else if(_like_(i<=8)) seed=_wymum(_wyr4(p)^seed^_wyp0,_wyr4(p+i-4)^seed^_wyp1);
else if(_like_(i<=16)) seed=_wymum(_wyr8(p)^seed^_wyp0,_wyr8(p+i-8)^seed^_wyp1);
else if(_like_(i<=24)) seed=_wymum(_wyr8(p)^seed^_wyp0,_wyr8(p+8)^seed^_wyp1)^_wymum(_wyr8(p+i-8)^seed^_wyp2,seed^_wyp3);
else if(_like_(i<=32)) seed=_wymum(_wyr8(p)^seed^_wyp0,_wyr8(p+8)^seed^_wyp1)^_wymum(_wyr8(p+16)^seed^_wyp2,_wyr8(p+i-8)^seed^_wyp3);
else{ seed=_wymum(_wyr8(p)^seed^_wyp0,_wyr8(p+8)^seed^_wyp1)^_wymum(_wyr8(p+16)^seed^_wyp2,_wyr8(p+24)^seed^_wyp3)^_wymum(_wyr8(p+i-32)^seed^_wyp1,_wyr8(p+i-24)^seed^_wyp2)^_wymum(_wyr8(p+i-16)^seed^_wyp3,_wyr8(p+i-8)^seed^_wyp0); }
if(_like_(i==len)) return _wymum(seed,len^_wyp4);
uint64_t see1=seed, see2=seed, see3=seed;
for(p+=i,i=len-i; _like_(i>=64); i-=64,p+=64) {
seed=_wymum(_wyr8(p)^seed^_wyp0,_wyr8(p+8)^seed^_wyp1); see1=_wymum(_wyr8(p+16)^see1^_wyp2,_wyr8(p+24)^see1^_wyp3);
see2=_wymum(_wyr8(p+32)^see2^_wyp1,_wyr8(p+40)^see2^_wyp2); see3=_wymum(_wyr8(p+48)^see3^_wyp3,_wyr8(p+56)^see3^_wyp0);
}
return _wymum(seed^see1^see2,see3^len^_wyp4);
}
static inline uint64_t wyhash64(uint64_t A, uint64_t B) { return _wymum(_wymum(A^_wyp0, B^_wyp1), _wyp2); }
static inline uint64_t wyrand(uint64_t *seed) { *seed+=_wyp0; return _wymum(*seed^_wyp1,*seed); }
static inline double wy2u01(uint64_t r) { const double _wynorm=1.0/(1ull<<52); return (r>>11)*_wynorm; }
static inline double wy2gau(uint64_t r) { const double _wynorm=1.0/(1ull<<20); return ((r&0x1fffff)+((r>>21)&0x1fffff)+((r>>42)&0x1fffff))*_wynorm-3.0; }
static inline uint64_t fastest_hash(const void *key, size_t len, uint64_t seed) {
const uint8_t *p = (const uint8_t *)key;
return _like_(len >= 4) ? (_wyr4(p) + _wyr4(p + len - 4)) * (_wyr4(p + (len >> 1) - 2) ^ seed) : (_like_(len) ? _wyr3(p, len) * (_wyp0 ^ seed) : seed);
}
#endif
'
c_builtin_types = '
//================================== builtin types ================================*/
typedef int64_t i64;
typedef int16_t i16;
typedef int8_t i8;
typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t byte;
typedef uint32_t rune;
typedef float f32;
typedef double f64;
typedef unsigned char* byteptr;
typedef int* intptr;
typedef void* voidptr;
typedef char* charptr;
typedef struct array array;
typedef struct map map;
typedef array array_string;
typedef array array_int;
typedef array array_byte;
typedef array array_f32;
typedef array array_f64;
typedef array array_u16;
typedef array array_u32;
typedef array array_u64;
typedef map map_int;
typedef map map_string;
#ifndef bool
typedef int bool;
#define true 1
#define false 0
#endif
'
bare_c_headers = '
$c_common_macros
#ifndef exit
#define exit(rc) sys_exit(rc)
void sys_exit (int);
#endif
'
)

12
vlib/v/parser/fn.v
View File

@ -11,9 +11,9 @@ import (
pub fn (p mut Parser) call_expr(is_c bool, mod string) ast.CallExpr { pub fn (p mut Parser) call_expr(is_c bool, mod string) ast.CallExpr {
tok := p.tok tok := p.tok
name := p.check_name() name := p.check_name()
fn_name := if is_c {'C.$name' } else if mod.len > 0 { '${mod}.$name' } else { name } fn_name := if is_c { 'C.$name' } else if mod.len > 0 { '${mod}.$name' } else { name }
p.check(.lpar) p.check(.lpar)
args, muts := p.call_args() args,muts := p.call_args()
mut or_stmts := []ast.Stmt mut or_stmts := []ast.Stmt
if p.tok.kind == .key_orelse { if p.tok.kind == .key_orelse {
p.next() p.next()
@ -34,7 +34,7 @@ pub fn (p mut Parser) call_expr(is_c bool, mod string) ast.CallExpr {
return node return node
} }
pub fn (p mut Parser) call_args() ([]ast.Expr, []bool) { pub fn (p mut Parser) call_args() ([]ast.Expr,[]bool) {
mut args := []ast.Expr mut args := []ast.Expr
mut muts := []bool mut muts := []bool
for p.tok.kind != .rpar { for p.tok.kind != .rpar {
@ -52,7 +52,7 @@ pub fn (p mut Parser) call_args() ([]ast.Expr, []bool) {
} }
} }
p.check(.rpar) p.check(.rpar)
return args, muts return args,muts
} }
fn (p mut Parser) fn_decl() ast.FnDecl { fn (p mut Parser) fn_decl() ast.FnDecl {
@ -158,7 +158,8 @@ fn (p mut Parser) fn_decl() ast.FnDecl {
else { else {
if is_c { if is_c {
name = 'C.$name' name = 'C.$name'
} else { }
else {
name = p.prepend_mod(name) name = p.prepend_mod(name)
} }
p.table.register_fn(table.Fn{ p.table.register_fn(table.Fn{
@ -187,6 +188,7 @@ fn (p mut Parser) fn_decl() ast.FnDecl {
} }
is_method: is_method is_method: is_method
rec_mut: rec_mut rec_mut: rec_mut
is_c: is_c
} }
} }