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fixed bug when meeting }}}}}}}}}}}}

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This commit is contained in:
Valk Richard Li
2019-11-10 23:44:36 +08:00
committed by GitHub
parent ed2910f708
commit 5134f4eea2
4 changed files with 88 additions and 28 deletions
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balloon/balloon_parse.h
+7 -2
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@@ -162,7 +162,10 @@ abstract_syntax_tree balloon_parse::choose()
temp.set_clear();
get_token();
if(this_token.type!=__elsif && this_token.type!=__else)
{
parse.push(this_token);
break;
}
if(this_token.type==__else)
{
get_token();
@@ -478,7 +481,7 @@ abstract_syntax_tree balloon_parse::block()
std::cout<<">>[Parse-error] line "<<this_token.line<<": expect a \'{\' ."<<std::endl;
return new_node;
}
while(this_token.type!=__right_brace)
while(1)
{
get_token();
switch(this_token.type)
@@ -501,12 +504,14 @@ abstract_syntax_tree balloon_parse::block()
case __continue:
case __break:temp.set_clear();temp.set_type(this_token.type);new_node.add_child(temp);check_semi();break;
case __return:parse.push(this_token);new_node.add_child(ret());check_semi();break;
case __right_brace:break;
case __right_brace:return new_node;break;
// must ret at this place when meeting a lot of right braces here like }}} or some of the } will be missed
default:
++error;
std::cout<<">>[Parse-error] line "<<this_token.line<<": \'";
print_detail_token(this_token.type);
std::cout<<"\' should not appear in this scope."<<std::endl;
return new_node;
break;
}
}