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update AstGen float literal parsing

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This commit is contained in:
Marc Tiehuis 2022-05-02 23:39:38 +12:00
parent 2085a4af56
commit bbfe2234c8
1 changed files with 1 additions and 7 deletions
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8
src/AstGen.zig
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@ -6715,13 +6715,7 @@ fn floatLiteral(gz: *GenZir, rl: ResultLoc, node: Ast.Node.Index, sign: Sign) In
const main_token = main_tokens[node];
const bytes = tree.tokenSlice(main_token);
const unsigned_float_number: f128 = if (bytes.len > 2 and bytes[1] == 'x') hex: {
assert(bytes[0] == '0'); // validated by tokenizer
break :hex std.fmt.parseHexFloat(f128, bytes) catch |err| switch (err) {
error.InvalidCharacter => unreachable, // validated by tokenizer
error.Overflow => return astgen.failNode(node, "number literal cannot be represented in a 128-bit floating point", .{}),
};
} else std.fmt.parseFloat(f128, bytes) catch |err| switch (err) {
const unsigned_float_number = std.fmt.parseFloat(f128, bytes) catch |err| switch (err) {
error.InvalidCharacter => unreachable, // validated by tokenizer
};
const float_number = switch (sign) {