172 lines
3.4 KiB
Rust
172 lines
3.4 KiB
Rust
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use rustic_sysy::tokenizer::{lexical_parser, LexicalTokenType};
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use rustic_sysy::tokenizer::LexicalTokenType::{ConstInteger, Delimiter, Identifier, Keyword, Operator};
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fn validate_tokens(input: &'static str, tokens: Vec<LexicalTokenType>) {
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let (_, actual_tokens) = lexical_parser(input).unwrap();
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assert_eq!(tokens.len(), actual_tokens.len());
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for (actual, except) in actual_tokens.iter().zip(tokens.iter()) {
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assert_eq!(&actual.token_type, except,
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"The literal value of actual token is {}", actual.literal_value);
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}
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}
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#[test]
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fn main_test() {
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validate_tokens("int main { return 0; }", vec![
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Keyword,
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Identifier,
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Delimiter,
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Keyword,
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ConstInteger(0),
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Delimiter,
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Delimiter
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]);
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}
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#[test]
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fn hexadecimal_test() {
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validate_tokens("// test hexadecimal define
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int main(){
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int a;
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a = 0xf;
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return a;
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}", vec![
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Keyword,
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Identifier,
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Delimiter,
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Delimiter,
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Delimiter,
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Keyword,
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Identifier,
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Delimiter,
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Identifier,
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Operator,
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ConstInteger(15),
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Delimiter,
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Keyword,
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Identifier,
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Delimiter,
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Delimiter
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]);
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}
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#[test]
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fn while_and_if_test() {
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validate_tokens("
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// test while-if
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int whileIf() {
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int a;
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a = 0;
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int b;
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b = 0;
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while (a < 100) {
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if (a == 5) {
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b = 25;
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}
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else if (a == 10) {
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b = 42;
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}
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else {
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b = a * 2;
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}
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a = a + 1;
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}
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return (b);
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}", vec![
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// int whileIf() {
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Keyword,
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Identifier,
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Delimiter,
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Delimiter,
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Delimiter,
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// int a;
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Keyword,
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Identifier,
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Delimiter,
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// a = 0;
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Identifier,
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Operator,
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ConstInteger(0),
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Delimiter,
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// int b;
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Keyword,
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Identifier,
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Delimiter,
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// b = 0;
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Identifier,
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Operator,
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ConstInteger(0),
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Delimiter,
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// while (a < 100) {
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Keyword,
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Delimiter,
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Identifier,
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Operator,
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ConstInteger(100),
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Delimiter,
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Delimiter,
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// if (a == 5) {
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Keyword,
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Delimiter,
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Identifier,
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Operator,
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ConstInteger(5),
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Delimiter,
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Delimiter,
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// b = 25;
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Identifier,
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Operator,
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ConstInteger(25),
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Delimiter,
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// }
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Delimiter,
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// else if (a == 10) {
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Keyword,
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Keyword,
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Delimiter,
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Identifier,
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Operator,
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ConstInteger(10),
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Delimiter,
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Delimiter,
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// b = 42;
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Identifier,
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Operator,
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ConstInteger(42),
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Delimiter,
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// }
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Delimiter,
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// else {
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Keyword,
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Delimiter,
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// b = a * 2;
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Identifier,
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Operator,
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Identifier,
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Operator,
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ConstInteger(2),
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Delimiter,
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// }
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Delimiter,
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// a = a + 1;
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Identifier,
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Operator,
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Identifier,
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Operator,
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ConstInteger(1),
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Delimiter,
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// }
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Delimiter,
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// return (b);
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Keyword,
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Delimiter,
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Identifier,
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Delimiter,
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Delimiter,
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// }
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Delimiter
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]);
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}
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