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[WIP] Setup rust side to call Str.fromUtf8

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This commit is contained in:
Jared Ramirez 2021-01-21 16:49:28 -08:00
parent d7ba522155
commit 815f633a58
14 changed files with 371 additions and 18 deletions
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22
compiler/can/src/builtins.rs
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@ -60,6 +60,7 @@ pub fn builtin_defs_map(symbol: Symbol, var_store: &mut VarStore) -> Option<Def>
STR_ENDS_WITH => str_ends_with,
STR_COUNT_GRAPHEMES => str_count_graphemes,
STR_FROM_INT => str_from_int,
STR_FROM_UTF8 => str_from_utf8,
LIST_LEN => list_len,
LIST_GET => list_get,
LIST_SET => list_set,
@ -155,6 +156,7 @@ pub fn builtin_defs(var_store: &mut VarStore) -> MutMap<Symbol, Def> {
Symbol::STR_ENDS_WITH => str_ends_with,
Symbol::STR_COUNT_GRAPHEMES => str_count_graphemes,
Symbol::STR_FROM_INT => str_from_int,
Symbol::STR_FROM_UTF8 => str_from_utf8,
Symbol::LIST_LEN => list_len,
Symbol::LIST_GET => list_get,
Symbol::LIST_SET => list_set,
@ -1374,6 +1376,26 @@ fn str_from_int(symbol: Symbol, var_store: &mut VarStore) -> Def {
)
}
/// Str.fromUtf8 : List U8 -> Result Str [ BadUtf8 Utf8Problem ]*
fn str_from_utf8(symbol: Symbol, var_store: &mut VarStore) -> Def {
let bytes_var = var_store.fresh();
let str_var = var_store.fresh();
let body = RunLowLevel {
op: LowLevel::StrFromUtf8,
args: vec![(bytes_var, Var(Symbol::ARG_1))],
ret_var: str_var,
};
defn(
symbol,
vec![(bytes_var, Symbol::ARG_1)],
var_store,
body,
str_var,
)
}
/// List.concat : List elem, List elem -> List elem
fn list_concat(symbol: Symbol, var_store: &mut VarStore) -> Def {
let list_var = var_store.fresh();