LARA

Lecture 14: Second Lecture on Code Generation: Statements and Conditionals

(Continuing Lecture 13)

Efficiently Emitting Code

Compiling Control-Flow Statements

Booleans and Data Representation

Branching JVM Instructions

Compiling If Then Else

Compiling While

Compiling Relations and Boolean Operators

Translation of Relations

Pay attention here

Postfix Translation of Boolean Operators

Compiling Conditional Expressions

Short-Circuit Evaluation

The Cool Way: Better Code Generation for Conditions

Example Efficient Code for Conditionals

Compilation as Tree Transformation

Some More Instructions

Method Calls

Object and Reference Manipulation

Array Manipulation

Final Points

Computing Labels

Static Stack Depth Property

References