爱特每羊队
41 lines
974 B
Rust
41 lines
974 B
Rust
use oxide_compiler::compiler::Compiler;
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use oxide_parser::Allocator;
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use oxide_vm::vm::Vm;
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fn eval(source: &str) -> String {
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let allocator = Allocator::default();
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let program = match oxide_parser::parse(&allocator, source) {
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Ok(p) => p,
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Err(e) => return format!("parse error: {}", e[0].message),
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};
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let module = match Compiler::new().compile(&program) {
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Ok(m) => m,
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Err(e) => return format!("compile error: {e}"),
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};
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let mut vm = Vm::new();
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match vm.run(&module) {
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Ok(result) => format!("{result}"),
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Err(e) => format!("vm error: {e}"),
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}
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}
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#[test]
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fn eval_var_declaration() {
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assert_eq!(eval("var x = 42"), "42");
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}
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#[test]
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fn eval_multi_stmt_last_value() {
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assert_eq!(eval("1; 2; 3"), "3");
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}
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#[test]
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fn eval_reassignment() {
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assert_eq!(eval("var x = 1; x = 2; x"), "2");
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}
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#[test]
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fn eval_multi_var_declaration() {
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assert_eq!(eval("var x = 1; var y = 2; x + y"), "3");
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}
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