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Tokenizer: stay in .pp_num_exponent state if we encounter 'p' or 'P' #547

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merged 1 commit into from
Nov 10, 2023
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Tokenizer: stay in .pp_num_exponent state if we encounter 'p' or 'P' #547

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7 changes: 5 additions & 2 deletions src/Tokenizer.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -1698,14 +1698,17 @@ pub fn next(self: *Tokenizer) Token {
},
},
.pp_num_exponent => switch (c) {
'a'...'z',
'A'...'Z',
'a'...'o',
'q'...'z',
'A'...'O',
'Q'...'Z',
'0'...'9',
'_',
'.',
'+',
'-',
=> state = .pp_num,
'p', 'P' => {},
else => {
id = .pp_num;
break;
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8 changes: 8 additions & 0 deletions test/cases/numbers.c
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Expand Up @@ -14,6 +14,12 @@ float m = 12E-2f;
float n = 0x12P+2;
float o = 0x12p-2;
_Static_assert(0xE+0xC == 0xE + 0xC, "");
double p = 0x1.ep-1;
double q = 0x1.eP-1;
double r = 0x1.Ep-1;
double s = 0x1.EP-1;
double t = 1.ep-1;
double u = 1.pp-1;

#define EXPECTED_ERRORS "numbers.c:1:9: error: invalid suffix 'b' on integer constant" \
"numbers.c:2:9: error: invalid suffix 'x' on integer constant" \
Expand All @@ -25,4 +31,6 @@ _Static_assert(0xE+0xC == 0xE + 0xC, "");
"numbers.c:10:12: error: exponent has no digits" \
"numbers.c:11:9: error: invalid suffix 'LLuf' on integer constant" \
"numbers.c:16:16: error: invalid suffix '+0xC' on integer constant" \
"numbers.c:21:12: error: exponent has no digits" \
"numbers.c:22:12: error: invalid suffix 'pp-1' on floating constant" \

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