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sat-arithmetic: add operator support

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- adds initial support for the operators +|, -|, *|, <<|, +|=, -|=, *|=, <<|=
- uses operators in addition to builtins in behavior test
- adds binOpExt() and assignBinOpExt() to AstGen.zig. these need to be audited
This commit is contained in:
Travis Staloch
2021-09-02 13:50:24 -07:00
committed by Andrew Kelley
parent 79bc5891c1
commit 29f41896ed
21 changed files with 556 additions and 54 deletions
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8
lib/std/zig/parse.zig
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@@ -1269,6 +1269,7 @@ const Parser = struct {
.plus_equal => .assign_add,
.minus_equal => .assign_sub,
.angle_bracket_angle_bracket_left_equal => .assign_bit_shift_left,
.angle_bracket_angle_bracket_left_pipe_equal => .assign_bit_shift_left_sat,
.angle_bracket_angle_bracket_right_equal => .assign_bit_shift_right,
.ampersand_equal => .assign_bit_and,
.caret_equal => .assign_bit_xor,
@@ -1276,6 +1277,9 @@ const Parser = struct {
.asterisk_percent_equal => .assign_mul_wrap,
.plus_percent_equal => .assign_add_wrap,
.minus_percent_equal => .assign_sub_wrap,
.asterisk_pipe_equal => .assign_mul_sat,
.plus_pipe_equal => .assign_add_sat,
.minus_pipe_equal => .assign_sub_sat,
.equal => .assign,
else => return expr,
};
@@ -1343,6 +1347,7 @@ const Parser = struct {
.keyword_catch = .{ .prec = 40, .tag = .@"catch" },
.angle_bracket_angle_bracket_left = .{ .prec = 50, .tag = .bit_shift_left },
.angle_bracket_angle_bracket_left_pipe = .{ .prec = 50, .tag = .bit_shift_left_sat },
.angle_bracket_angle_bracket_right = .{ .prec = 50, .tag = .bit_shift_right },
.plus = .{ .prec = 60, .tag = .add },
@@ -1350,6 +1355,8 @@ const Parser = struct {
.plus_plus = .{ .prec = 60, .tag = .array_cat },
.plus_percent = .{ .prec = 60, .tag = .add_wrap },
.minus_percent = .{ .prec = 60, .tag = .sub_wrap },
.plus_pipe = .{ .prec = 60, .tag = .add_sat },
.minus_pipe = .{ .prec = 60, .tag = .sub_sat },
.pipe_pipe = .{ .prec = 70, .tag = .merge_error_sets },
.asterisk = .{ .prec = 70, .tag = .mul },
@@ -1357,6 +1364,7 @@ const Parser = struct {
.percent = .{ .prec = 70, .tag = .mod },
.asterisk_asterisk = .{ .prec = 70, .tag = .array_mult },
.asterisk_percent = .{ .prec = 70, .tag = .mul_wrap },
.asterisk_pipe = .{ .prec = 70, .tag = .mul_sat },
});
fn parseExprPrecedence(p: *Parser, min_prec: i32) Error!Node.Index {