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add reading of keywords on doIdentifier

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Luna 2019-05-31 22:39:53 -03:00
parent 9d4c1249b4
commit bba969922f
1 changed files with 14 additions and 1 deletions
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15
src/scanner.zig
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@ -231,7 +231,20 @@ pub const Scanner = struct {
_ = self.advance();
}
try self.addSimpleToken(.IDENTIFIER);
// after reading the identifier, we check
// if it is any of our keywords, if it is, then we add
// the specificed keyword type. if not, just .IDENTIFIER
var text = self.source[self.start..self.current];
var type_opt = self.keywords.get(text);
var toktype: TokenType = undefined;
if (type_opt) |kv| {
toktype = @intToEnum(TokenType, kv.value);
} else {
toktype = TokenType.IDENTIFIER;
}
try self.addSimpleToken(toktype);
}
/// Scan through our tokens and add them to the Scanner's token list.