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-prealloc

pull/3081/head
Alexander Medvednikov 2019-12-14 02:28:15 +03:00
parent 88cde6e4e6
commit ef562413cd
3 changed files with 11 additions and 4 deletions
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4
vlib/builtin/builtin.v
View File

@ -108,18 +108,20 @@ pub fn malloc(n int) byteptr {
if n < 0 { if n < 0 {
panic('malloc(<0)') panic('malloc(<0)')
} }
/*
$if debug { $if debug {
res := g_m2_ptr res := g_m2_ptr
g_m2_ptr += n g_m2_ptr += n
nr_mallocs++ nr_mallocs++
return res return res
} $else { } $else {
*/
ptr := C.malloc(n) ptr := C.malloc(n)
if ptr == 0 { if ptr == 0 {
panic('malloc($n) failed') panic('malloc($n) failed')
} }
return ptr return ptr
} //}
/* /*
TODO TODO
#ifdef VPLAY #ifdef VPLAY

3
vlib/compiler/comptime.v
View File

@ -82,6 +82,9 @@ fn (p mut Parser) comp_time() {
else if name == 'debug' { else if name == 'debug' {
p.comptime_if_block('VDEBUG') p.comptime_if_block('VDEBUG')
} }
else if name == 'prealloc' {
p.comptime_if_block('VPREALLOC')
}
else if name == 'tinyc' { else if name == 'tinyc' {
p.comptime_if_block('__TINYC__') p.comptime_if_block('__TINYC__')
} }

6
vlib/compiler/main.v
View File

@ -132,6 +132,7 @@ pub mut:
vpath string vpath string
x64 bool x64 bool
output_cross_c bool output_cross_c bool
prealloc bool
} }
// Should be called by main at the end of the compilation process, to cleanup // Should be called by main at the end of the compilation process, to cleanup
@ -419,7 +420,7 @@ fn (v mut V) generate_init() {
// vlib can't have `init_consts()` // vlib can't have `init_consts()`
v.cgen.genln('void init() { v.cgen.genln('void init() {
g_str_buf=malloc(1000); g_str_buf=malloc(1000);
#if VDEBUG #if VPREALLOC
g_m2_buf = malloc(50 * 1000 * 1000); g_m2_buf = malloc(50 * 1000 * 1000);
g_m2_ptr = g_m2_buf; g_m2_ptr = g_m2_buf;
puts("allocated 50 mb"); puts("allocated 50 mb");
@ -528,7 +529,7 @@ pub fn (v mut V) generate_main() {
cgen.genln(' main__main();') cgen.genln(' main__main();')
if !v.pref.is_bare { if !v.pref.is_bare {
cgen.genln('free(g_str_buf);') cgen.genln('free(g_str_buf);')
cgen.genln('#if VDEBUG') cgen.genln('#if VPREALLOC')
cgen.genln('free(g_m2_buf);') cgen.genln('free(g_m2_buf);')
cgen.genln('puts("freed mem buf");') cgen.genln('puts("freed mem buf");')
cgen.genln('#endif') cgen.genln('#endif')
@ -1076,6 +1077,7 @@ pub fn new_v(args[]string) &V {
is_bare: '-freestanding' in args is_bare: '-freestanding' in args
x64: '-x64' in args x64: '-x64' in args
output_cross_c: '-output-cross-platform-c' in args output_cross_c: '-output-cross-platform-c' in args
prealloc: '-prealloc' in args
is_repl: is_repl is_repl: is_repl
build_mode: build_mode build_mode: build_mode
cflags: cflags cflags: cflags