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author | Indrajith K L | 2022-12-03 17:00:20 +0530 |
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committer | Indrajith K L | 2022-12-03 17:00:20 +0530 |
commit | f5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch) | |
tree | 2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/vlib/builtin/linux_bare/old/array_bare.v | |
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Diffstat (limited to 'v_windows/v/vlib/builtin/linux_bare/old/array_bare.v')
-rw-r--r-- | v_windows/v/vlib/builtin/linux_bare/old/array_bare.v | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/v_windows/v/vlib/builtin/linux_bare/old/array_bare.v b/v_windows/v/vlib/builtin/linux_bare/old/array_bare.v new file mode 100644 index 0000000..b92214f --- /dev/null +++ b/v_windows/v/vlib/builtin/linux_bare/old/array_bare.v @@ -0,0 +1,53 @@ +module builtin + +pub struct array { +pub: + data voidptr + len int + cap int + element_size int +} + +// for now off the stack +fn new_array_from_c_array(len int, cap int, elm_size int, c_array voidptr) array { + arr := array{ + len: len + cap: cap + element_size: elm_size + data: c_array + } + return arr +} + +// Private function. Used to implement array[] operator +fn (a array) get(i int) voidptr { + if i < 0 || i >= a.len { + panic('array.get: index out of range') // FIXME: (i == $i, a.len == $a.len)') + } + return a.data + i * a.element_size +} + +// Private function. Used to implement assigment to the array element. +fn (mut a array) set(i int, val voidptr) { + if i < 0 || i >= a.len { + panic('array.set: index out of range') // FIXME: (i == $i, a.len == $a.len)') + } + mem_copy(a.data + a.element_size * i, val, a.element_size) +} + +// array.repeat returns new array with the given array elements +// repeated `nr_repeat` times +pub fn (a array) repeat(nr_repeats int) array { + assert nr_repeats >= 0 + + arr := array{ + len: nr_repeats * a.len + cap: nr_repeats * a.len + element_size: a.element_size + data: malloc(nr_repeats * a.len * a.element_size) + } + for i in 0 .. nr_repeats { + mem_copy(arr.data + i * a.len * a.element_size, a.data, a.len * a.element_size) + } + return arr +} |