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https://github.com/bearlanguageorg/bear.git
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allexanderbergmns
9b22be48a5
Adds floats, bitwise ops, UTF-8 strings with methods, try/catch, closures, generics validation, a compile-time type checker, a mark-and-sweep GC, source-level debug info, constant folding, and the repl/fmt/package-manager commands. 🤖 Generated with Codebuff Co-Authored-By: Codebuff <noreply@codebuff.com>
57 lines
1.1 KiB
V
57 lines
1.1 KiB
V
// types.v — core types and constants for the VuurRaaf VM.
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module vm
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import obj
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const stack_cap = 65536
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// Field is one `name: value` entry of a struct value.
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struct Field {
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mut:
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name string
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val i64
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}
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struct StructVal {
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mut:
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fields []Field
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}
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// Handler records a try/catch handler pushed at runtime.
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struct Closure {
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entry int // code IP of the function body
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}
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struct Handler {
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ip int // catch_ip
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bp int // frame base at try point
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sp int // stack pointer right after the handler record
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}
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struct Vm {
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mut:
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code []u8
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strings []string
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arrays [][]i64
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structs []StructVal
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floats []f64
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closures []Closure
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stack []i64
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sp int
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bp int
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ip int
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trace bool
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halted bool
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prog_args []string
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exit_code i64
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did_exit bool
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handlers []Handler
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lines []obj.LineInfo // debug info: code offset -> source line
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const_strs int // strings[0..const_strs] are bytecode constants, never collected
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last_heap int // heap size at the last GC check (allocation trigger)
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}
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fn bool_i64(b bool) i64 {
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return if b { i64(1) } else { i64(0) }
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}
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