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[abstract syntax tree] improved the grammar

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This commit is contained in:
Philippe Tillet
2019-03-05 21:03:19 -05:00
parent 4189e130bf
commit 20ff9543ac
5 changed files with 53 additions and 77 deletions
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14
lib/ast/lowering.cpp
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@@ -287,15 +287,8 @@ ir::value* function_definition::codegen(ir::module *mod) const{
/* Statements */
ir::value* compound_statement::codegen(ir::module* mod) const{
mod->add_new_scope();
if(decls_)
decls_->codegen(mod);
if(statements_){
for(statement *stmt: statements_->values()){
ir::value *current = stmt->codegen(mod);
if(is_terminator(current))
return current;
}
}
if(items_)
items_->codegen(mod);
mod->pop_scope();
return nullptr;
}
@@ -333,7 +326,8 @@ ir::value* iteration_statement::codegen(ir::module *mod) const{
ir::basic_block *loop_bb = ir::basic_block::create(ctx, "loop", fn);
ir::basic_block *next_bb = ir::basic_block::create(ctx, "postloop", fn);
mod->set_continue_fn([&](){
exec_->codegen(mod);
if(exec_)
exec_->codegen(mod);
ir::value *cond = stop_->codegen(mod);
return builder.create_cond_br(cond, loop_bb, next_bb);
});