RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 01:17:36 +00:00
Code Issues Activity Actions

LibJS: Parse "if" statements

Browse source 
This patch implements basic parsing of "if" statements. We don't yet
support parsing "else", so I added a FIXME about that.
This commit is contained in:
Andreas Kling 2020-03-21 18:40:17 +01:00
parent 55c845713a
commit 7c48c3c8e1
4 changed files with 26 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Libraries/LibJS/AST.cpp
View file

@ -91,8 +91,11 @@ Value IfStatement::execute(Interpreter& interpreter) const
if (predicate_result.to_boolean())
return interpreter.run(*m_consequent);
else
if (m_alternate)
return interpreter.run(*m_alternate);
return js_undefined();
}
Value WhileStatement::execute(Interpreter& interpreter) const
@ -427,9 +430,11 @@ void IfStatement::dump(int indent) const
printf("If\n");
predicate().dump(indent + 1);
consequent().dump(indent + 1);
print_indent(indent);
printf("Else\n");
alternate().dump(indent + 1);
if (alternate()) {
print_indent(indent);
printf("Else\n");
alternate()->dump(indent + 1);
}
}
void WhileStatement::dump(int indent) const