floraachy/Nasal-Interpreter
1
0
Fork 0
forked from xxq250/Nasal-Interpreter
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

codegen will not generate 'jmp' if 'if' and 'elsif' is the last condition

Browse Source
This commit is contained in:
Valk Richard Li
2021-02-18 11:45:47 +08:00
parent 02148f4766
commit 9c9bb52818
2 changed files with 15 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nasal_codegen.h
+5 -3
View File
@@ -523,7 +523,9 @@ void nasal_codegen::conditional_gen(nasal_ast& ast)
gen(op_jmpfalse,0);
block_gen(tmp.get_children()[1]);
jmp_label.push_back(exec_code.size());
gen(op_jmp,0);
// without 'else' the last condition doesn't need to jmp
if(i!=size-1)
gen(op_jmp,0);
exec_code[ptr].index=exec_code.size();
}
else
@@ -532,8 +534,8 @@ void nasal_codegen::conditional_gen(nasal_ast& ast)
break;
}
}
for(std::vector<int>::iterator j=jmp_label.begin();j!=jmp_label.end();++j)
exec_code[*j].index=exec_code.size();
for(std::vector<int>::iterator i=jmp_label.begin();i!=jmp_label.end();++i)
exec_code[*i].index=exec_code.size();
return;
}