ling-lang 2030.1.32

Ling - The Omniglot Systems Language
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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180

// src/core/mod.rs
mod config;
mod error;
mod result;

pub use config::{CompilerConfig, OptimizationLevel};
pub use error::LingError;
pub use result::LingResult;

use crate::mir;
use ling_codegen::CodegenBackend;
use std::path::Path;

pub struct LingCompiler {
    config: CompilerConfig,
}

impl LingCompiler {
    pub fn new(config: CompilerConfig) -> Self {
        Self { config }
    }

    pub fn compile<P: AsRef<Path>>(&self, input: P, output: P) -> LingResult<()> {
        let source =
            std::fs::read_to_string(input.as_ref()).map_err(|e| LingError::Io(e.to_string()))?;
        let mir = mir::compile_and_optimize(&source, self.config.optimization)?;
        println!(
            "compiled {} functions, optimized at {:?}",
            mir.functions.len(),
            self.config.optimization
        );

        let mir_prog = ling_codegen::MirProgram::new(mir, input.as_ref().to_string_lossy());
        let mut backend = ling_codegen::BytecodeBackend;
        backend
            .emit(&mir_prog, output.as_ref())
            .map_err(|e| LingError::Codegen(e.to_string()))?;
        println!("bytecode emitted to {}", output.as_ref().display());
        Ok(())
    }

    pub fn compile_and_run<P: AsRef<Path>>(&self, input: P) -> LingResult<()> {
        let source =
            std::fs::read_to_string(input.as_ref()).map_err(|e| LingError::Io(e.to_string()))?;
        let mir = mir::compile_and_optimize(&source, self.config.optimization)?;
        println!(
            "compiled {} functions, optimized at {:?}",
            mir.functions.len(),
            self.config.optimization
        );

        let vm_prog = ling_codegen::compile_mir_program(&mir);
        let mut vm = ling_codegen::Vm::new();
        vm.load(vm_prog);
        vm.run_main()
            .map_err(|e| LingError::Codegen(e.to_string()))?;
        Ok(())
    }

    /// Compile and run using the Cranelift JIT backend.
    pub fn compile_and_run_jit<P: AsRef<Path>>(&self, input: P) -> LingResult<()> {
        let mir = mir::compile_path(input.as_ref(), self.config.optimization)?;
        let mir_prog = ling_codegen::MirProgram::new(mir, input.as_ref().to_string_lossy());

        use crate::runtime::jit_abi::{
            ling_abs, ling_add, ling_alloc, ling_and, ling_bool_to_u64, ling_builtin, ling_ceil,
            ling_cos, ling_div, ling_eq, ling_f64_add, ling_f64_div, ling_f64_eq, ling_f64_ge,
            ling_f64_gt, ling_f64_le, ling_f64_lt, ling_f64_mul, ling_f64_neg, ling_f64_rem,
            ling_f64_sub, ling_floor, ling_free, ling_ge, ling_gt, ling_le, ling_list_get,
            ling_list_len, ling_list_new, ling_list_push, ling_lt, ling_mul, ling_ne, ling_neg,
            ling_not, ling_or, ling_panic, ling_print, ling_print_newline, ling_print_val,
            ling_rem, ling_round, ling_sin, ling_sqrt, ling_str_concat, ling_str_eq, ling_str_len,
            ling_str_new, ling_struct_get, ling_struct_new, ling_sub, ling_time_now,
        };
        use crate::runtime::Interpreter;

        let mut jit = ling_codegen::JitBackend::new(|builder| {
            macro_rules! reg {
                ($rust:ident, $jit:literal) => {
                    builder.symbol(concat!("__ling_", $jit), $rust as *const u8);
                };
                ($name:ident) => {
                    reg!($name, stringify!($name));
                };
            }
            reg!(ling_f64_add, "f64_add");
            reg!(ling_f64_sub, "f64_sub");
            reg!(ling_f64_mul, "f64_mul");
            reg!(ling_f64_div, "f64_div");
            reg!(ling_f64_rem, "f64_rem");
            reg!(ling_f64_neg, "f64_neg");
            reg!(ling_f64_eq, "f64_eq");
            reg!(ling_f64_lt, "f64_lt");
            reg!(ling_f64_gt, "f64_gt");
            reg!(ling_f64_le, "f64_le");
            reg!(ling_f64_ge, "f64_ge");
            reg!(ling_sin, "sin");
            reg!(ling_cos, "cos");
            reg!(ling_sqrt, "sqrt");
            reg!(ling_abs, "abs");
            reg!(ling_floor, "floor");
            reg!(ling_ceil, "ceil");
            reg!(ling_round, "round");
            reg!(ling_add, "add");
            reg!(ling_sub, "sub");
            reg!(ling_mul, "mul");
            reg!(ling_div, "div");
            reg!(ling_rem, "rem");
            reg!(ling_neg, "neg");
            reg!(ling_eq, "eq");
            reg!(ling_ne, "ne");
            reg!(ling_lt, "lt");
            reg!(ling_le, "le");
            reg!(ling_gt, "gt");
            reg!(ling_ge, "ge");
            reg!(ling_and, "and");
            reg!(ling_or, "or");
            reg!(ling_not, "not");
            reg!(ling_bool_to_u64, "bool_to_u64");
            reg!(ling_alloc, "alloc");
            reg!(ling_free, "free");
            reg!(ling_panic, "panic");
            reg!(ling_str_new, "str_new");
            reg!(ling_str_len, "str_len");
            reg!(ling_str_concat, "str_concat");
            reg!(ling_str_eq, "str_eq");
            reg!(ling_list_new, "list_new");
            reg!(ling_list_push, "list_push");
            reg!(ling_list_get, "list_get");
            reg!(ling_list_len, "list_len");
            reg!(ling_struct_new, "struct_new");
            reg!(ling_struct_get, "struct_get");
            reg!(ling_print, "print");
            reg!(ling_print_val, "print_val");
            reg!(ling_print_newline, "print_newline");
            reg!(ling_time_now, "time_now");
            reg!(ling_builtin, "builtin");
        });

        // Initialize JIT runtime with interpreter for fallback operations
        crate::runtime::jit_abi::init(Interpreter::new());

        // Compile all functions. A failure here is pre-execution (Codegen),
        // so callers may safely fall back to the interpreter.
        jit.compile(&mir_prog)
            .map_err(|e| LingError::Codegen(e.to_string()))?;

        // Execute main. A failure here happens mid-run (Mir): output may already
        // have been emitted, so callers must not retry on another backend.
        jit.run_main().map_err(|e| LingError::Mir(e.to_string()))?;
        Ok(())
    }

    pub fn dump_mir<P: AsRef<Path>>(&self, input: P) -> LingResult<()> {
        let source =
            std::fs::read_to_string(input.as_ref()).map_err(|e| LingError::Io(e.to_string()))?;
        let mir = mir::compile_and_optimize(&source, self.config.optimization)?;
        for func in &mir.functions {
            println!("=== function: {} ===", func.name);
            println!("  args: {}, locals: {}", func.arg_count, func.locals.len());
            for (i, decl) in func.locals.iter().enumerate() {
                let name = decl.name.as_deref().unwrap_or("_");
                println!(
                    "  local {}: {} {:?} mut={} owning={}",
                    i, name, decl.ty, decl.is_mut, decl.is_owning
                );
            }
            for (bi, bb) in func.basic_blocks.iter().enumerate() {
                println!("  bb{}:", bi);
                for stmt in &bb.statements {
                    println!("    {:?}", stmt.kind);
                }
                if let Some(term) = &bb.terminator {
                    println!("    term: {:?}", term.kind);
                }
            }
        }
        Ok(())
    }
}