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// re2zig $INPUT -o $OUTPUT --recursive-functions
const std = @import("std");
const State = struct {
str: [:0]const u8,
cur: u32,
};
const SyntaxError = error {
UnexpectedCharacter
};
/*!re2c
re2c:api = custom;
re2c:define:YYFN = ["lex;void", "st;*State"];
re2c:define:YYPEEK = "st.str[st.cur]";
re2c:define:YYSKIP = "st.cur += 1;";
re2c:yyfill:enable = 0;
re2c:yyfn:throw = "SyntaxError";
number = [1-9][0-9]*;
number { _ = st; return; }
* { _ = st; return SyntaxError.UnexpectedCharacter; }
*/
test {
var st = State{.str = "1234", .cur = 0};
try lex(&st);
}
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