rename PassiveElemIndex to ElemIndex and same for PassiveDataIndex (#1188)

* rename PassiveElemIndex to ElemIndex and same for PassiveDataIndex (#1411)

* rename PassiveDataIndex to DataIndex

* rename PassiveElemIndex to ElemIndex

* Apply renamings to wasmtime as well

* Run rustfmt

Co-authored-by: csmoe <csmoe@msn.com>

cranelift/wasm/src/environ/dummy.rs

@@ -11,8 +11,8 @@ use crate::environ::{
 use crate::func_translator::FuncTranslator;
 use crate::state::ModuleTranslationState;
 use crate::translation_utils::{
-    DefinedFuncIndex, FuncIndex, Global, GlobalIndex, Memory, MemoryIndex, PassiveDataIndex,
-    PassiveElemIndex, SignatureIndex, Table, TableIndex,
+    DataIndex, DefinedFuncIndex, ElemIndex, FuncIndex, Global, GlobalIndex, Memory, MemoryIndex,
+    SignatureIndex, Table, TableIndex,
 };
 use core::convert::TryFrom;
 use cranelift_codegen::cursor::FuncCursor;
@@ -607,7 +607,7 @@ impl<'data> ModuleEnvironment<'data> for DummyEnvironment {
 
     fn declare_passive_element(
         &mut self,
-        _elem_index: PassiveElemIndex,
+        _elem_index: ElemIndex,
         _segments: Box<[FuncIndex]>,
     ) -> WasmResult<()> {
         Ok(())
@@ -615,7 +615,7 @@ impl<'data> ModuleEnvironment<'data> for DummyEnvironment {
 
     fn declare_passive_data(
         &mut self,
-        _elem_index: PassiveDataIndex,
+        _elem_index: DataIndex,
         _segments: &'data [u8],
     ) -> WasmResult<()> {
         Ok(())

cranelift/wasm/src/environ/spec.rs

@@ -8,8 +8,8 @@
 
 use crate::state::{FuncTranslationState, ModuleTranslationState};
 use crate::translation_utils::{
-    FuncIndex, Global, GlobalIndex, Memory, MemoryIndex, PassiveDataIndex, PassiveElemIndex,
-    SignatureIndex, Table, TableIndex,
+    DataIndex, ElemIndex, FuncIndex, Global, GlobalIndex, Memory, MemoryIndex, SignatureIndex,
+    Table, TableIndex,
 };
 use core::convert::From;
 use cranelift_codegen::cursor::FuncCursor;
@@ -606,7 +606,7 @@ pub trait ModuleEnvironment<'data>: TargetEnvironment {
     /// Declare a passive element segment.
     fn declare_passive_element(
         &mut self,
-        index: PassiveElemIndex,
+        index: ElemIndex,
         elements: Box<[FuncIndex]>,
     ) -> WasmResult<()>;
 
@@ -620,11 +620,7 @@ pub trait ModuleEnvironment<'data>: TargetEnvironment {
     }
 
     /// Declare a passive data segment.
-    fn declare_passive_data(
-        &mut self,
-        data_index: PassiveDataIndex,
-        data: &'data [u8],
-    ) -> WasmResult<()>;
+    fn declare_passive_data(&mut self, data_index: DataIndex, data: &'data [u8]) -> WasmResult<()>;
 
     /// Provides the contents of a function body.
     ///

cranelift/wasm/src/lib.rs

@@ -66,9 +66,9 @@ pub use crate::module_translator::translate_module;
 pub use crate::state::func_state::FuncTranslationState;
 pub use crate::state::module_state::ModuleTranslationState;
 pub use crate::translation_utils::{
-    get_vmctx_value_label, DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex,
-    DefinedTableIndex, FuncIndex, Global, GlobalIndex, GlobalInit, Memory, MemoryIndex,
-    PassiveDataIndex, PassiveElemIndex, SignatureIndex, Table, TableElementType, TableIndex,
+    get_vmctx_value_label, DataIndex, DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex,
+    DefinedTableIndex, ElemIndex, FuncIndex, Global, GlobalIndex, GlobalInit, Memory, MemoryIndex,
+    SignatureIndex, Table, TableElementType, TableIndex,
 };
 
 /// Version number of this crate.

cranelift/wasm/src/sections_translator.rs

@@ -10,9 +10,8 @@
 use crate::environ::{ModuleEnvironment, WasmError, WasmResult};
 use crate::state::ModuleTranslationState;
 use crate::translation_utils::{
-    tabletype_to_type, type_to_type, FuncIndex, Global, GlobalIndex, GlobalInit, Memory,
-    MemoryIndex, PassiveDataIndex, PassiveElemIndex, SignatureIndex, Table, TableElementType,
-    TableIndex,
+    tabletype_to_type, type_to_type, DataIndex, ElemIndex, FuncIndex, Global, GlobalIndex,
+    GlobalInit, Memory, MemoryIndex, SignatureIndex, Table, TableElementType, TableIndex,
 };
 use crate::{wasm_unsupported, HashMap};
 use core::convert::TryFrom;
@@ -345,7 +344,7 @@ pub fn parse_element_section<'data>(
                 )?
             }
             ElementKind::Passive => {
-                let index = PassiveElemIndex::from_u32(index as u32);
+                let index = ElemIndex::from_u32(index as u32);
                 environ.declare_passive_element(index, segments)?;
             }
             ElementKind::Declared => return Err(wasm_unsupported!("element kind declared")),
@@ -404,7 +403,7 @@ pub fn parse_data_section<'data>(
                 )?;
             }
             DataKind::Passive => {
-                let index = PassiveDataIndex::from_u32(index as u32);
+                let index = DataIndex::from_u32(index as u32);
                 environ.declare_passive_data(index, data)?;
             }
         }

cranelift/wasm/src/translation_utils.rs

@@ -59,13 +59,13 @@ entity_impl!(SignatureIndex);
 
 /// Index type of a passive data segment inside the WebAssembly module.
 #[derive(Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Debug)]
-pub struct PassiveDataIndex(u32);
-entity_impl!(PassiveDataIndex);
+pub struct DataIndex(u32);
+entity_impl!(DataIndex);
 
 /// Index type of a passive element segment inside the WebAssembly module.
 #[derive(Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Debug)]
-pub struct PassiveElemIndex(u32);
-entity_impl!(PassiveElemIndex);
+pub struct ElemIndex(u32);
+entity_impl!(ElemIndex);
 
 /// WebAssembly global.
 #[derive(Debug, Clone, Copy, Hash)]

crates/environ/src/data_structures.rs

@@ -23,7 +23,7 @@ pub mod entity {
 pub mod wasm {
     pub use cranelift_wasm::{
         get_vmctx_value_label, DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex,
-        DefinedTableIndex, FuncIndex, Global, GlobalIndex, GlobalInit, Memory, MemoryIndex,
-        PassiveElemIndex, SignatureIndex, Table, TableElementType, TableIndex,
+        DefinedTableIndex, ElemIndex, FuncIndex, Global, GlobalIndex, GlobalInit, Memory,
+        MemoryIndex, SignatureIndex, Table, TableElementType, TableIndex,
     };
 }

crates/environ/src/module.rs

@@ -5,8 +5,8 @@ use crate::WASM_MAX_PAGES;
 use cranelift_codegen::ir;
 use cranelift_entity::{EntityRef, PrimaryMap};
 use cranelift_wasm::{
-    DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex, DefinedTableIndex, FuncIndex, Global,
-    GlobalIndex, Memory, MemoryIndex, PassiveElemIndex, SignatureIndex, Table, TableIndex,
+    DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex, DefinedTableIndex, ElemIndex,
+    FuncIndex, Global, GlobalIndex, Memory, MemoryIndex, SignatureIndex, Table, TableIndex,
 };
 use indexmap::IndexMap;
 use more_asserts::assert_ge;
@@ -166,7 +166,7 @@ pub struct Module {
     pub table_elements: Vec<TableElements>,
 
     /// WebAssembly passive elements.
-    pub passive_elements: HashMap<PassiveElemIndex, Box<[FuncIndex]>>,
+    pub passive_elements: HashMap<ElemIndex, Box<[FuncIndex]>>,
 
     /// WebAssembly table initializers.
     pub func_names: HashMap<FuncIndex, String>,
@@ -239,7 +239,7 @@ impl Module {
     }
 
     /// Get the given passive element, if it exists.
-    pub fn get_passive_element(&self, index: PassiveElemIndex) -> Option<&[FuncIndex]> {
+    pub fn get_passive_element(&self, index: ElemIndex) -> Option<&[FuncIndex]> {
         self.passive_elements.get(&index).map(|es| &**es)
     }
 }

crates/environ/src/module_environ.rs

@@ -6,8 +6,8 @@ use cranelift_codegen::ir::{AbiParam, ArgumentPurpose};
 use cranelift_codegen::isa::TargetFrontendConfig;
 use cranelift_entity::PrimaryMap;
 use cranelift_wasm::{
-    self, translate_module, DefinedFuncIndex, FuncIndex, Global, GlobalIndex, Memory, MemoryIndex,
-    ModuleTranslationState, PassiveDataIndex, PassiveElemIndex, SignatureIndex, Table, TableIndex,
+    self, translate_module, DataIndex, DefinedFuncIndex, ElemIndex, FuncIndex, Global, GlobalIndex,
+    Memory, MemoryIndex, ModuleTranslationState, SignatureIndex, Table, TableIndex,
     TargetEnvironment, WasmError, WasmResult,
 };
 use std::convert::TryFrom;
@@ -336,7 +336,7 @@ impl<'data> cranelift_wasm::ModuleEnvironment<'data> for ModuleEnvironment<'data
 
     fn declare_passive_element(
         &mut self,
-        elem_index: PassiveElemIndex,
+        elem_index: ElemIndex,
         segments: Box<[FuncIndex]>,
     ) -> WasmResult<()> {
         let old = self
@@ -397,7 +397,7 @@ impl<'data> cranelift_wasm::ModuleEnvironment<'data> for ModuleEnvironment<'data
 
     fn declare_passive_data(
         &mut self,
-        _data_index: PassiveDataIndex,
+        _data_index: DataIndex,
         _data: &'data [u8],
     ) -> WasmResult<()> {
         Err(WasmError::Unsupported(

crates/runtime/src/instance.rs

@@ -29,8 +29,8 @@ use std::{mem, ptr, slice};
 use thiserror::Error;
 use wasmtime_environ::entity::{packed_option::ReservedValue, BoxedSlice, EntityRef, PrimaryMap};
 use wasmtime_environ::wasm::{
-    DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex, DefinedTableIndex, FuncIndex,
-    GlobalIndex, GlobalInit, MemoryIndex, PassiveElemIndex, SignatureIndex, TableIndex,
+    DefinedFuncIndex, DefinedGlobalIndex, DefinedMemoryIndex, DefinedTableIndex, ElemIndex,
+    FuncIndex, GlobalIndex, GlobalInit, MemoryIndex, SignatureIndex, TableIndex,
 };
 use wasmtime_environ::{ir, DataInitializer, Module, TableElements, VMOffsets};
 
@@ -90,7 +90,7 @@ pub(crate) struct Instance {
     /// Passive elements in this instantiation. As `elem.drop`s happen, these
     /// entries get removed. A missing entry is considered equivalent to an
     /// empty slice.
-    passive_elements: RefCell<HashMap<PassiveElemIndex, Box<[VMCallerCheckedAnyfunc]>>>,
+    passive_elements: RefCell<HashMap<ElemIndex, Box<[VMCallerCheckedAnyfunc]>>>,
 
     /// Pointers to functions in executable memory.
     finished_functions: BoxedSlice<DefinedFuncIndex, *mut [VMFunctionBody]>,
@@ -587,7 +587,7 @@ impl Instance {
     pub(crate) fn table_init(
         &self,
         table_index: TableIndex,
-        elem_index: PassiveElemIndex,
+        elem_index: ElemIndex,
         dst: u32,
         src: u32,
         len: u32,
@@ -621,7 +621,7 @@ impl Instance {
     }
 
     /// Drop an element.
-    pub(crate) fn elem_drop(&self, elem_index: PassiveElemIndex) {
+    pub(crate) fn elem_drop(&self, elem_index: ElemIndex) {
         // https://webassembly.github.io/reference-types/core/exec/instructions.html#exec-elem-drop
 
         let mut passive_elements = self.passive_elements.borrow_mut();

crates/runtime/src/libcalls.rs

@@ -36,7 +36,7 @@ use crate::table::Table;
 use crate::traphandlers::raise_lib_trap;
 use crate::vmcontext::VMContext;
 use wasmtime_environ::ir;
-use wasmtime_environ::wasm::{DefinedMemoryIndex, MemoryIndex, PassiveElemIndex, TableIndex};
+use wasmtime_environ::wasm::{DefinedMemoryIndex, ElemIndex, MemoryIndex, TableIndex};
 
 /// Implementation of f32.ceil
 pub extern "C" fn wasmtime_f32_ceil(x: f32) -> f32 {
@@ -204,7 +204,7 @@ pub unsafe extern "C" fn wasmtime_table_init(
     let result = {
         let table_index = TableIndex::from_u32(table_index);
         let source_loc = ir::SourceLoc::new(source_loc);
-        let elem_index = PassiveElemIndex::from_u32(elem_index);
+        let elem_index = ElemIndex::from_u32(elem_index);
         let instance = (&mut *vmctx).instance();
         instance.table_init(table_index, elem_index, dst, src, len, source_loc)
     };
@@ -215,7 +215,7 @@ pub unsafe extern "C" fn wasmtime_table_init(
 
 /// Implementation of `elem.drop`.
 pub unsafe extern "C" fn wasmtime_elem_drop(vmctx: *mut VMContext, elem_index: u32) {
-    let elem_index = PassiveElemIndex::from_u32(elem_index);
+    let elem_index = ElemIndex::from_u32(elem_index);
     let instance = (&mut *vmctx).instance();
     instance.elem_drop(elem_index);
 }