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make parsing 0.0_e1 an error

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This commit is contained in:
momumi 2020-03-15 13:05:24 +10:00
parent 7aac21c6f5
commit 925f710852
2 changed files with 16 additions and 0 deletions
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8
src/tokenizer.cpp
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@ -1229,6 +1229,10 @@ void tokenize(Buf *buf, Tokenization *out) {
break;
}
if (is_exponent_signifier(c, t.radix)) {
if (t.is_trailing_underscore) {
invalid_char_error(&t, c);
break;
}
if (t.radix != 16 && t.radix != 10) {
invalid_char_error(&t, c);
}
@ -1296,6 +1300,10 @@ void tokenize(Buf *buf, Tokenization *out) {
break;
}
if (is_exponent_signifier(c, t.radix)) {
if (t.is_trailing_underscore) {
invalid_char_error(&t, c);
break;
}
t.state = TokenizeStateFloatExponentUnsigned;
t.radix = 10; // exponent is always base 10
break;

8
test/compile_errors.zig
View File

@ -485,6 +485,14 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
"tmp.zig:2:23: error: invalid character: '_'",
});
cases.add("invalid underscore placement in float literal - 14",
\\fn main() void {
\\ var bad: f128 = 0x0.0_p1;
\\})
, &[_][]const u8{
"tmp.zig:2:27: error: invalid character: 'p'",
});
cases.add("var args without c calling conv",
\\fn foo(args: ...) void {}
\\comptime {