home
/
code
/
tiger.ml.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Rough frame allocations
[tiger.ml.git]
/
compiler
/
src
/
lib
/
tiger
/
tiger_symbol.ml
diff --git
a/compiler/src/lib/tiger/tiger_symbol.ml
b/compiler/src/lib/tiger/tiger_symbol.ml
index
b5d895b
..
a850406
100644
(file)
--- a/
compiler/src/lib/tiger/tiger_symbol.ml
+++ b/
compiler/src/lib/tiger/tiger_symbol.ml
@@
-5,24
+5,25
@@
type t =
; symbol : int
}
; symbol : int
}
-let counter = ref 0
+let next =
+ let counter = ref 0 in
+ fun () ->
+ incr counter;
+ !counter
let symbols = H.create 16
let symbols = H.create 16
-let next name =
- incr counter;
- let symbol = !counter in
- {name; symbol}
-
-let new_of_string name =
- let t = next name in
- H.replace symbols ~key:t.name ~data:t.symbol;
- t
+let unique_of_string name =
+ {name; symbol = next ()}
let of_string name =
match H.find_opt symbols name with
let of_string name =
match H.find_opt symbols name with
- | Some s -> {name; symbol=s}
- | None -> new_of_string name
+ | Some symbol ->
+ {name; symbol}
+ | None ->
+ let t = unique_of_string name in
+ H.replace symbols ~key:t.name ~data:t.symbol;
+ t
let to_string {name; _} =
name
let to_string {name; _} =
name
This page took
0.026142 seconds
and
4
git commands to generate.