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This commit is contained in:
gingerBill
2016-08-10 20:07:24 +01:00
parent 153c27c755
commit 4c467b118d
10 changed files with 710 additions and 337 deletions
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examples/basic.odin
+19 -17
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@@ -14,17 +14,18 @@ string_byte_reverse :: proc(s: string) {
}
}
encode_rune :: proc(buf : []u8, r : rune) -> int {
encode_rune :: proc(r : rune) -> ([4]u8, int) {
buf : [4]u8;
i := cast(u32)r;
mask : u8 : 0x3f;
if i <= 1<<7-1 {
buf[0] = cast(u8)r;
return 1;
return buf, 1;
}
if i <= 1<<11-1 {
buf[0] = 0xc0 | cast(u8)(r>>6);
buf[1] = 0x80 | cast(u8)(r)&mask;
return 2;
return buf, 2;
}
// Invalid or Surrogate range
@@ -37,26 +38,28 @@ encode_rune :: proc(buf : []u8, r : rune) -> int {
buf[0] = 0xe0 | cast(u8)(r>>12);
buf[1] = 0x80 | cast(u8)(r>>6)&mask;
buf[2] = 0x80 | cast(u8)(r)&mask;
return 3;
return buf, 3;
}
buf[0] = 0xf0 | cast(u8)(r>>18);
buf[1] = 0x80 | cast(u8)(r>>12)&mask;
buf[2] = 0x80 | cast(u8)(r>>6)&mask;
buf[3] = 0x80 | cast(u8)(r)&mask;
return 4;
return buf, 4;
}
print_rune :: proc(r : rune) {
buf : [4]u8;
n := encode_rune(buf[:], r);
buf, n := encode_rune(r);
str := cast(string)buf[:n];
print_string(str);
}
print_int :: proc(i, base : int) {
print_int :: proc(i : int) {
print_int_base(i, 10);
}
print_int_base :: proc(i, base : int) {
NUM_TO_CHAR_TABLE :: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@$";
NEG :: "-";
buf: [21]u8;
len := 0;
@@ -65,17 +68,16 @@ print_int :: proc(i, base : int) {
negative = true;
i = -i;
}
if i > 0 {
for i > 0 {
c : u8 = NUM_TO_CHAR_TABLE[i % base];
buf[len] = c;
len++;
i /= base;
}
} else {
if i == 0 {
buf[len] = '0';
len++;
}
for i > 0 {
c : u8 = NUM_TO_CHAR_TABLE[i % base];
buf[len] = c;
len++;
i /= base;
}
if negative {
buf[len] = '-';