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Change casting syntax: cast(T)x transmute(T)x et al.

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This commit is contained in:
Ginger Bill
2017-01-25 19:19:25 +00:00
parent 12498b2d39
commit b59a052e32
24 changed files with 655 additions and 540 deletions
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core/utf8.odin
+20 -20
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@@ -1,7 +1,7 @@
RUNE_ERROR :: '\ufffd';
RUNE_SELF :: 0x80;
RUNE_BOM :: 0xfeff;
RUNE_EOF :: ~rune(0);
RUNE_EOF :: ~cast(rune)0;
MAX_RUNE :: '\U0010ffff';
UTF_MAX :: 4;
@@ -40,15 +40,15 @@ accept_sizes := [256]byte{
encode_rune :: proc(r: rune) -> ([4]byte, int) {
buf: [4]byte;
i := u32(r);
i := cast(u32)r;
mask: byte : 0x3f;
if i <= 1<<7-1 {
buf[0] = byte(r);
buf[0] = cast(byte)r;
return buf, 1;
}
if i <= 1<<11-1 {
buf[0] = 0xc0 | byte(r>>6);
buf[1] = 0x80 | byte(r) & mask;
buf[0] = 0xc0 | cast(byte)(r>>6);
buf[1] = 0x80 | cast(byte)r & mask;
return buf, 2;
}
@@ -59,16 +59,16 @@ encode_rune :: proc(r: rune) -> ([4]byte, int) {
}
if i <= 1<<16-1 {
buf[0] = 0xe0 | byte(r>>12);
buf[1] = 0x80 | byte(r>>6) & mask;
buf[2] = 0x80 | byte(r) & mask;
buf[0] = 0xe0 | cast(byte)(r>>12);
buf[1] = 0x80 | cast(byte)(r>>6) & mask;
buf[2] = 0x80 | cast(byte)r & mask;
return buf, 3;
}
buf[0] = 0xf0 | byte(r>>18);
buf[1] = 0x80 | byte(r>>12) & mask;
buf[2] = 0x80 | byte(r>>6) & mask;
buf[3] = 0x80 | byte(r) & mask;
buf[0] = 0xf0 | cast(byte)(r>>18);
buf[1] = 0x80 | cast(byte)(r>>12) & mask;
buf[2] = 0x80 | cast(byte)(r>>6) & mask;
buf[3] = 0x80 | cast(byte)r & mask;
return buf, 4;
}
@@ -80,12 +80,12 @@ decode_rune :: proc(s: string) -> (rune, int) {
b0 := s[0];
x := accept_sizes[b0];
if x >= 0xf0 {
mask := (rune(x) << 31) >> 31; // all zeros or all ones
return rune(b0) &~ mask | RUNE_ERROR&mask, 1;
mask := (cast(rune)x << 31) >> 31; // all zeros or all ones
return cast(rune)b0 &~ mask | RUNE_ERROR&mask, 1;
}
size := x & 7;
ar := accept_ranges[x>>4];
if n < int(size) {
if n < cast(int)size {
return RUNE_ERROR, 1;
}
b1 := s[1];
@@ -99,20 +99,20 @@ decode_rune :: proc(s: string) -> (rune, int) {
MASK_4 :: 0b00000111;
if size == 2 {
return rune(b0&MASK_2)<<6 | rune(b1&MASK_X), 2;
return cast(rune)(b0&MASK_2)<<6 | cast(rune)(b1&MASK_X), 2;
}
b2 := s[2];
if b2 < 0x80 || 0xbf < b2 {
return RUNE_ERROR, 1;
}
if size == 3 {
return rune(b0&MASK_3)<<12 | rune(b1&MASK_X)<<6 | rune(b2&MASK_X), 3;
return cast(rune)(b0&MASK_3)<<12 | cast(rune)(b1&MASK_X)<<6 | cast(rune)(b2&MASK_X), 3;
}
b3 := s[3];
if b3 < 0x80 || 0xbf < b3 {
return RUNE_ERROR, 1;
}
return rune(b0&MASK_4)<<18 | rune(b1&MASK_X)<<12 | rune(b3&MASK_X)<<6 | rune(b3&MASK_X), 4;
return cast(rune)(b0&MASK_4)<<18 | cast(rune)(b1&MASK_X)<<12 | cast(rune)(b3&MASK_X)<<6 | cast(rune)(b3&MASK_X), 4;
}
@@ -141,7 +141,7 @@ valid_string :: proc(s: string) -> bool {
if x == 0xf1 {
return false;
}
size := int(x & 7);
size := cast(int)(x & 7);
if i+size > n {
return false;
}
@@ -178,7 +178,7 @@ rune_count :: proc(s: string) -> int {
i += 1;
continue;
}
size := int(x & 7);
size := cast(int)(x & 7);
if i+size > n {
i += 1;
continue;