hare

commit 87e128dec27e8d0c269365ad52a169c5e8375573
parent ed5de1c89cfc1407726c131842e40ebc5512c48a
Author: Sebastian <sebastian@sebsite.pw>
Date:   Sat,  5 Aug 2023 20:26:21 -0400

hare::*: remove unary +

Signed-off-by: Sebastian <sebastian@sebsite.pw>

Diffstat:
M
hare/ast/expr.ha
 | 
1
-
M
hare/parse/+test/expr_test.ha
 | 
3
+--
M
hare/parse/expr.ha
 | 
5
+----
M
hare/unparse/expr.ha
 | 
2
--

4 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/hare/ast/expr.ha b/hare/ast/expr.ha
@@ -385,7 +385,6 @@ export type unarithm_op = enum {
 	DEREF,	// *
 	LNOT,	// !
 	MINUS,	// -
-	PLUS,	// +
 };
 
 // A unary arithmetic expression.
diff --git a/hare/parse/+test/expr_test.ha b/hare/parse/+test/expr_test.ha
@@ -292,8 +292,7 @@
 };
 
 @test fn unarithm() void = {
-	roundtrip("export fn main() void = +void;\n\n"
-		"export fn main() void = -void;\n\n"
+	roundtrip("export fn main() void = -void;\n\n"
 		"export fn main() void = *void;\n\n"
 		"export fn main() void = ~void;\n\n"
 		"export fn main() void = !void;\n\n"
diff --git a/hare/parse/expr.ha b/hare/parse/expr.ha
@@ -1227,8 +1227,7 @@ fn match_expr(lexer: *lex::lexer) (ast::expr | error) = {
 
 fn unarithm(lexer: *lex::lexer) (ast::expr | error) = {
 	const tok = match (try(lexer,
-		ltok::PLUS, ltok::MINUS, ltok::BNOT,
-		ltok::LNOT, ltok::TIMES, ltok::BAND,
+		ltok::MINUS, ltok::BNOT, ltok::LNOT, ltok::TIMES, ltok::BAND,
 		ltok::SWITCH, ltok::MATCH, ltok::COLON, ltok::LBRACE)?) {
 	case void =>
 		return builtin(lexer);
@@ -1249,8 +1248,6 @@ fn unarithm(lexer: *lex::lexer) (ast::expr | error) = {
 	};
 
 	const op = switch (tok.0) {
-	case ltok::PLUS =>
-		yield ast::unarithm_op::PLUS;
 	case ltok::MINUS =>
 		yield ast::unarithm_op::MINUS;
 	case ltok::BNOT =>
diff --git a/hare/unparse/expr.ha b/hare/unparse/expr.ha
@@ -400,8 +400,6 @@ export fn expr(
 			yield "!";
 		case ast::unarithm_op::MINUS =>
 			yield "-";
-		case ast::unarithm_op::PLUS =>
-			yield "+";
 		})?;
 		z += expr(out, indent, *e.operand)?;
 		return z;