Implement Str.fromInt for any integer type

This commit is contained in:
Kevin Sjöberg 2021-11-06 14:44:21 +01:00
parent c18f306a7e
commit 491a480371
4 changed files with 41 additions and 8 deletions

View file

@ -4,6 +4,7 @@ const utils = @import("utils.zig");
const ROC_BUILTINS = "roc_builtins";
const NUM = "num";
const STR = "str";
// Dec Module
const dec = @import("dec.zig");
@ -115,7 +116,6 @@ comptime {
exportStrFn(str.strConcatC, "concat");
exportStrFn(str.strJoinWithC, "joinWith");
exportStrFn(str.strNumberOfBytes, "number_of_bytes");
exportStrFn(str.strFromIntC, "from_int");
exportStrFn(str.strFromFloatC, "from_float");
exportStrFn(str.strEqual, "equal");
exportStrFn(str.strToUtf8C, "to_utf8");
@ -123,6 +123,10 @@ comptime {
exportStrFn(str.fromUtf8RangeC, "from_utf8_range");
exportStrFn(str.repeat, "repeat");
exportStrFn(str.strTrim, "trim");
inline for (INTEGERS) |T| {
str.exportFromInt(T, ROC_BUILTINS ++ "." ++ STR ++ ".from_int.");
}
}
// Utils

View file

@ -413,9 +413,14 @@ pub fn strNumberOfBytes(string: RocStr) callconv(.C) usize {
}
// Str.fromInt
pub fn strFromIntC(int: i64) callconv(.C) RocStr {
// prepare for having multiple integer types in the future
return @call(.{ .modifier = always_inline }, strFromIntHelp, .{ i64, int });
pub fn exportFromInt(comptime T: type, comptime name: []const u8) void {
comptime var f = struct {
fn func(int: T) callconv(.C) RocStr {
return @call(.{ .modifier = always_inline }, strFromIntHelp, .{ T, int });
}
}.func;
@export(f, .{ .name = name ++ @typeName(T), .linkage = .Strong });
}
fn strFromIntHelp(comptime T: type, int: T) RocStr {