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authorJari Vetoniemi <mailroxas@gmail.com>2017-05-13 01:50:39 +0300
committerJari Vetoniemi <mailroxas@gmail.com>2018-02-23 12:53:53 +0200
commit22fb54a917676e61f19d773cc4f931300ace925e (patch)
treede709d6ad2e433a59cee0c7dcaa904c78a30e01f /src/fspec
parent98b2d4911644a8e206fe9de692e4ccaa6e3e0cb3 (diff)
lexer.rl: hex can be as long as we want
hex expression shared the esc_hex expression before. But esc_hex is limited to 2 hexdecimal characters, and thus poor choice for parsing hexdecimal numbers in source. (This is different from C which allows "n" length hex escapes causing problems when you mix hex escapes with strings for example)
Diffstat (limited to 'src/fspec')
-rw-r--r--src/fspec/lexer.rl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/fspec/lexer.rl b/src/fspec/lexer.rl
index 8fdc960..51d1a54 100644
--- a/src/fspec/lexer.rl
+++ b/src/fspec/lexer.rl
@@ -530,7 +530,7 @@ state_finish_declaration(struct state *state, const enum fspec_declaration decl)
esc = [abfnrtv\\'"e];
esc_chr = '\\';
esc_hex = 'x' <: xdigit{2};
- hex = '0' <: esc_hex;
+ hex = '0x' <: xdigit{1,};
oct = [0-7]{1,3};
dec = [\-+]? <: (([1-9] <: digit*) | '0');
valid = ^cntrl;