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wasm_interp: expose both call_export_from_cli and call_export (for library usage)

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Brian Carroll 2022-11-30 23:07:55 +00:00
parent 7ddff49691
commit ec8950816a
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6 changed files with 223 additions and 266 deletions
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35
crates/wasm_interp/src/main.rs
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@ -1,7 +1,6 @@
use bumpalo::Bump;
use clap::ArgAction;
use clap::{Arg, Command};
use roc_wasm_interp::Action;
use std::ffi::OsString;
use std::fs;
use std::io;
@ -87,41 +86,31 @@ fn main() -> io::Result<()> {
}
};
// Initialise the execution state
// Create an execution instance
let mut state = Instance::for_module(
&arena,
&module,
start_fn_name,
is_debug_mode,
start_arg_strings,
)
.unwrap_or_else(|e| {
let mut inst = Instance::for_module(&arena, &module, is_debug_mode).unwrap_or_else(|e| {
eprintln!("{}", e);
process::exit(2);
});
// Run
while let Action::Continue = state.execute_next_instruction(&module) {}
let result = inst.call_export_from_cli(&module, start_fn_name, start_arg_strings);
// Print out return value(s), if any
// Print out return value, if any
match state.value_stack.len() {
0 => {}
1 => {
match result {
Ok(Some(val)) => {
if is_hex_format {
println!("{:#x?}", state.value_stack.pop())
println!("{:#x?}", val)
} else {
println!("{:?}", state.value_stack.pop())
println!("{:?}", val)
}
}
_ => {
if is_hex_format {
println!("{:#x?}", &state.value_stack)
} else {
println!("{:?}", &state.value_stack)
}
Ok(None) => {}
Err(e) => {
eprintln!("{}", e);
process::exit(3);
}
}