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parser: add PlusEqual and MinusEqual to Get expressions

This commit is contained in:
Luna 2019-08-27 11:29:17 -03:00
parent 8007f9e860
commit a0808b54aa
2 changed files with 19 additions and 16 deletions
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5
examples/hello.v
View File

@ -54,9 +54,10 @@ fn main(a int) int {
str := 'hello'
len := str.len
// those should yield the same ast
str.len = str.len + 1
x += 1
// str.len += 1
str.len += 1
}
fn (v Typ) voidfunc() {}

30
src/parser.zig
View File

@ -751,21 +751,23 @@ pub const Parser = struct {
return Result.CompileError;
},
//.PlusEqual => {
// var plus_op = try self.mkToken(.Plus, "+", op.line);
// return try self.mkAssign(
// expr.Variable,
// try self.mkBinary(expr, plus_op, value),
// );
//},
.PlusEqual => {
var new_op = try self.mkToken(.Plus, "+", op.line);
return try self.mkSet(
get.struc,
get.name,
try self.mkBinary(expr, new_op, value),
);
},
//.MinusEqual => {
// var new_op = try self.mkToken(.Minus, "-", op.line);
// return try self.mkSet(
// get.struc, get.name,
// try self.mkBinary(expr, new_op, value),
// );
//},
.MinusEqual => {
var new_op = try self.mkToken(.Minus, "-", op.line);
return try self.mkSet(
get.struc,
get.name,
try self.mkBinary(expr, new_op, value),
);
},
.Equal => return try self.mkSet(get.struc, get.name, value),
else => unreachable,