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fix identifier lexemes

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Luna 2019-07-01 15:06:53 -03:00
parent b0e123f83a
commit ac23c0d2d7
1 changed files with 7 additions and 0 deletions
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7
src/scanner.zig
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@ -110,6 +110,10 @@ pub const Scanner = struct {
return self.source[self.current - 1]; return self.source[self.current - 1];
} }
fn rollback(self: *Scanner) void {
self.current -= 1;
}
pub fn currentLexeme(self: *Scanner) []const u8 { pub fn currentLexeme(self: *Scanner) []const u8 {
return self.source[self.start..self.current]; return self.source[self.start..self.current];
} }
@ -257,6 +261,9 @@ pub const Scanner = struct {
toktype = TokenType.Identifier; toktype = TokenType.Identifier;
} }
// ugly hack.
self.rollback();
return self.makeToken(toktype); return self.makeToken(toktype);
} }