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Refactor func_count in parser

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This commit is contained in:
Brandon Fish
2019-08-12 21:36:17 -06:00
parent e76777ed9b
commit f22250d85a
1 changed files with 7 additions and 5 deletions
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12
lib/runtime-core/src/parse.rs
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@ -92,7 +92,8 @@ pub fn read_module<
let mut namespace_builder = Some(StringTableBuilder::new()); let mut namespace_builder = Some(StringTableBuilder::new());
let mut name_builder = Some(StringTableBuilder::new()); let mut name_builder = Some(StringTableBuilder::new());
let mut func_count: usize = ::std::usize::MAX; let mut func_count: usize = 0;
let mut mcg_info_fed = false;
loop { loop {
use wasmparser::ParserState; use wasmparser::ParserState;
@ -196,9 +197,9 @@ pub fn read_module<
info.write().unwrap().start_func = Some(FuncIndex::new(start_index as usize)); info.write().unwrap().start_func = Some(FuncIndex::new(start_index as usize));
} }
ParserState::BeginFunctionBody { .. } => { ParserState::BeginFunctionBody { .. } => {
let id = func_count.wrapping_add(1); let id = func_count;
func_count = id; if !mcg_info_fed {
if func_count == 0 { mcg_info_fed = true;
info.write().unwrap().namespace_table = info.write().unwrap().namespace_table =
namespace_builder.take().unwrap().finish(); namespace_builder.take().unwrap().finish();
info.write().unwrap().name_table = name_builder.take().unwrap().finish(); info.write().unwrap().name_table = name_builder.take().unwrap().finish();
@ -279,6 +280,7 @@ pub fn read_module<
.map_err(|x| LoadError::Codegen(x))?; .map_err(|x| LoadError::Codegen(x))?;
fcg.finalize() fcg.finalize()
.map_err(|x| LoadError::Codegen(format!("{:?}", x)))?; .map_err(|x| LoadError::Codegen(format!("{:?}", x)))?;
func_count = func_count.wrapping_add(1);
} }
ParserState::BeginActiveElementSectionEntry(table_index) => { ParserState::BeginActiveElementSectionEntry(table_index) => {
let table_index = TableIndex::new(table_index as usize); let table_index = TableIndex::new(table_index as usize);
@ -370,7 +372,7 @@ pub fn read_module<
} }
ParserState::EndWasm => { ParserState::EndWasm => {
// TODO Consolidate with BeginFunction body if possible // TODO Consolidate with BeginFunction body if possible
if func_count == ::std::usize::MAX { if !mcg_info_fed {
info.write().unwrap().namespace_table = info.write().unwrap().namespace_table =
namespace_builder.take().unwrap().finish(); namespace_builder.take().unwrap().finish();
info.write().unwrap().name_table = name_builder.take().unwrap().finish(); info.write().unwrap().name_table = name_builder.take().unwrap().finish();