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Emscripten compiles with no errors!

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This commit is contained in:
Mark McCaskey
2020-06-10 17:03:44 -07:00
parent 5a6f4f12de
commit 70e25a7396
6 changed files with 138 additions and 90 deletions
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12
lib/emscripten/src/utils.rs
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@@ -8,11 +8,13 @@ use std::mem::size_of;
use std::os::raw::c_char;
use std::path::PathBuf;
use std::slice;
use wasmer::{GlobalInit, ImportType, Memory, Module, Pages};
use wasmer::{GlobalInit, Memory, Module, Pages};
/// We check if a provided module is an Emscripten generated one
pub fn is_emscripten_module(module: &Module) -> bool {
for ImportType { module, name, .. } in module.imports().functions() {
for import in module.imports().functions() {
let name = import.name();
let module = import.module();
if (name == "_emscripten_memcpy_big"
|| name == "emscripten_memcpy_big"
|| name == "__map_file")
@@ -25,7 +27,8 @@ pub fn is_emscripten_module(module: &Module) -> bool {
}
pub fn get_emscripten_table_size(module: &Module) -> Result<(u32, Option<u32>), String> {
if let Some(ImportType { ty, .. }) = module.imports().tables().next() {
if let Some(import) = module.imports().tables().next() {
let ty = import.ty();
Ok((ty.minimum, ty.maximum))
} else {
return Err("Emscripten requires at least one imported table".to_string());
@@ -33,7 +36,8 @@ pub fn get_emscripten_table_size(module: &Module) -> Result<(u32, Option<u32>),
}
pub fn get_emscripten_memory_size(module: &Module) -> Result<(Pages, Option<Pages>, bool), String> {
if let Some(ImportType { ty, .. }) = module.imports().memories().next() {
if let Some(import) = module.imports().memories().next() {
let ty = import.ty();
Ok((ty.minimum, ty.maximum, ty.shared))
} else {
return Err("Emscripten requires at least one imported memory".to_string());