tl-compiler 0.3.2

Bytecode compiler and VM for ThinkingLanguage (Phase 2)
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150

// Phase 22: Advanced Type System — Integration Tests
// Tests parse → compile → VM pipeline for Decimal, new types, inference

use tl_compiler::{Vm, VmValue, compile};
use tl_parser::parse;

/// Helper: parse + compile + run, return VM output lines
fn run_output(src: &str) -> Vec<String> {
    let program = parse(src).unwrap();
    let proto = compile(&program).unwrap();
    let mut vm = Vm::new();
    vm.execute(&proto).unwrap();
    vm.output.clone()
}

/// Helper: parse + compile + run, return result
fn run(src: &str) -> Result<VmValue, String> {
    let program = parse(src).unwrap();
    let proto = compile(&program).unwrap();
    let mut vm = Vm::new();
    vm.execute(&proto).map_err(|e| format!("{e}"))
}

// ── Decimal Literal ────────────────────────────────────────────────

#[test]
fn test_e2e_decimal_literal() {
    let output = run_output(
        r#"
let x = 3.14d
print(x)
"#,
    );
    assert_eq!(output, vec!["3.14"]);
}

#[test]
fn test_e2e_decimal_arithmetic() {
    let output = run_output(
        r#"
let a = 10.50d
let b = 3.25d
print(a + b)
print(a - b)
print(a * b)
"#,
    );
    assert_eq!(output, vec!["13.75", "7.25", "34.1250"]);
}

#[test]
fn test_e2e_decimal_int_promotion() {
    let output = run_output(
        r#"
let d = 5.5d
let i = 2
print(d + i)
print(i + d)
"#,
    );
    assert_eq!(output, vec!["7.5", "7.5"]);
}

#[test]
fn test_e2e_decimal_comparison() {
    let output = run_output(
        r#"
let a = 1.5d
let b = 2.5d
print(a < b)
print(a == a)
print(a != b)
"#,
    );
    assert_eq!(output, vec!["true", "true", "true"]);
}

#[test]
fn test_e2e_decimal_negation() {
    let output = run_output(
        r#"
let x = 5.0d
print(-x)
"#,
    );
    assert_eq!(output, vec!["-5.0"]);
}

#[test]
fn test_e2e_decimal_builtin() {
    let output = run_output(
        r#"
let x = decimal("123.456")
print(x)
let y = decimal(42)
print(y)
"#,
    );
    assert_eq!(output, vec!["123.456", "42"]);
}

#[test]
fn test_e2e_decimal_type_of() {
    let output = run_output(
        r#"
let x = 1.0d
print(type_of(x))
"#,
    );
    assert_eq!(output, vec!["decimal"]);
}

#[test]
fn test_e2e_decimal_division() {
    let output = run_output(
        r#"
let a = 10.0d
let b = 3.0d
let c = a / b
print(type_of(c))
"#,
    );
    assert_eq!(output, vec!["decimal"]);
}

#[test]
fn test_e2e_decimal_float_mixed() {
    let output = run_output(
        r#"
let d = 5.5d
let f = 2.0
let result = d + f
print(type_of(result))
"#,
    );
    // Decimal + Float promotes to Float
    assert_eq!(output, vec!["float64"]);
}

#[test]
fn test_e2e_decimal_in_list() {
    let output = run_output(
        r#"
let prices = [1.99d, 2.49d, 3.99d]
let total = prices[0] + prices[1] + prices[2]
print(total)
"#,
    );
    assert_eq!(output, vec!["8.47"]);
}