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ast: change AstBinOp to use *AstNode instead of AstNode

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using raw AstNode causes compile-errors due to recursion.
This commit is contained in:
Luna 2019-06-04 23:53:55 -03:00
parent c32b802765
commit b040f47956
2 changed files with 15 additions and 6 deletions
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8
src/ast.zig
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@ -18,8 +18,8 @@ pub const AstBinOp = struct {
optype: BinOpType,
// TODO expression
left: AstNumber,
right: AstNumber,
left: *AstNode,
right: *AstNode,
};
pub const NumberType = enum {
@ -50,9 +50,9 @@ pub fn printNode(stdout: var, node: AstNode) anyerror!void {
}
try stdout.write(" ");
try printNode(stdout, AstNode{ .Number = bin_op.left });
try printNode(stdout, bin_op.left.*);
try stdout.write(" ");
try printNode(stdout, AstNode{ .Number = bin_op.right });
try printNode(stdout, bin_op.right.*);
try stdout.print(")");
},
.Number => |ast_num| {

13
src/runner.zig
View file

@ -46,12 +46,21 @@ pub const Runner = struct {
.Program = &[]ast.AstNode{ast.AstNode{
.BinOp = ast.AstBinOp{
.optype = ast.BinOpType.Equality,
.left = ast.AstNumber{ .Integer32 = 30 },
.right = ast.AstNumber{ .Integer32 = 30 },
.left = &ast.AstNode{
.Number = ast.AstNumber{
.Integer32 = 30,
},
},
.right = &ast.AstNode{
.Number = ast.AstNumber{
.Integer32 = 30,
},
},
},
}},
});
try self.stdout.print("\n");
return Result.Ok;
}
};