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self-hosted: astGenIntegerLiteral support other bases

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Vexu 2020-06-19 20:52:06 +03:00 committed by Andrew Kelley
parent d98aed6eff
commit 7b68385d7d
1 changed files with 12 additions and 9 deletions
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21
src-self-hosted/Module.zig
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@ -1314,16 +1314,19 @@ fn astGenStringLiteral(self: *Module, scope: *Scope, str_lit: *ast.Node.StringLi
fn astGenIntegerLiteral(self: *Module, scope: *Scope, int_lit: *ast.Node.IntegerLiteral) InnerError!*zir.Inst {
const arena = scope.arena();
const tree = scope.tree();
const bytes = tree.tokenSlice(int_lit.token);
var bytes = tree.tokenSlice(int_lit.token);
const base = if (mem.startsWith(u8, bytes, "0x"))
16
else if (mem.startsWith(u8, bytes, "0o"))
8
else if (mem.startsWith(u8, bytes, "0b"))
2
else
@as(u8, 10);
if (mem.startsWith(u8, bytes, "0x")) {
return self.failTok(scope, int_lit.token, "TODO implement 0x int prefix", .{});
} else if (mem.startsWith(u8, bytes, "0o")) {
return self.failTok(scope, int_lit.token, "TODO implement 0o int prefix", .{});
} else if (mem.startsWith(u8, bytes, "0b")) {
return self.failTok(scope, int_lit.token, "TODO implement 0b int prefix", .{});
}
if (std.fmt.parseInt(u64, bytes, 10)) |small_int| {
if (base != 10) bytes = bytes[2..];
if (std.fmt.parseInt(u64, bytes, base)) |small_int| {
const int_payload = try arena.create(Value.Payload.Int_u64);
int_payload.* = .{ .int = small_int };
const src = tree.token_locs[int_lit.token].start;