S, s - the program statement S is executed on input state s ... This led to 'spaghetti' code that was difficult to unravel, understand and maintain ...
Iterative Program Analysis Mooly Sagiv http://www.cs.tau.ac.il/~msagiv/courses/pa.html Tel Aviv University 640-6706 Textbook: Principles of Program Analysis
Lexical Analysis Textbook:Modern Compiler Design Chapter 2.1 http://www.cs.tau.ac.il/~msagiv/courses/wcc11-12.html DFA Construction Minimization Start States It may ...
An Overview on Program Analysis Mooly Sagiv http://www.cs.tau.ac.il/~msagiv/courses/pa12-13.html Tel Aviv University 640-6706 Textbook: Principles of Program Analysis
html://www.math.tau.ac.il/~msagiv/courses/wcc01.html. Garbage Collection. HEAP. ROOT SET ... The compiler generates code after each destructive update b.fi := a ...
html://www.cs.tau.ac.il/~msagiv/courses/sem08.html. Textbooks:Winskel ... Usually defined using context free grammar contextual constraints. Semantics ...
Consider small parts of AST at time. One expression at the time. Target ... Use simplifying conventions. Basic Block. Parts of control graph without split ...
function show(n: int, t: tree) = let function indent(s: string) = (for i := 1 ... The value is too big to fit into a single register. The variable is an array ...
Code for Booleans (Location Computation) Top-Down tree traversal ... The local variable area. The working stack. Parameter Passing Mechanisms. By value. By reference ...
Domains with infinite heights. Systematic construction of Galois connection. Precision ... Example Lattice Octagon (Shaham'00, Mine'02) Inequalities between variables ...
A possible structure of the activation records. A simple stack ... The compiler needs to allocate memory for variables. Consistent with program semantics ...
The Frame Pointer and Frame Size. The Lexical Pointers and Nesting Levels ... Allocate a separate space for every procedure incarnation. Relative addresses ...
A simple traditional modern compiler/interpreter (1.2) Subjects Covered ... Lisp, Scheme, ML, Miranda, Hope, Haskel. Logic Programming. Prolog. Other Languages ...
Title: Program Analysis via Graph Reachability Author: Thomas Reps Last modified by: sagiv Created Date: 3/24/1998 3:26:02 AM Document presentation format
Generate the code using labeling by preferring 'heavier' subtrees (larger labeling) ... MOVs can be removed if the source and the target share the same register ...
Constructing Automaton from Specification. Create a non-deterministic automaton (NDFA) from every regular ... Construct a deterministic finite automaton (DFA) ...
Title: Program Analysis via Graph Reachability Author: Thomas Reps Last modified by: sagiv Created Date: 3/24/1998 3:26:02 AM Document presentation format
May 15, 14-16 Orna Grumberg 14-16 309. May 12 Yom Hatzamaut. May 19, 20 TVLA. May 22 TAU verification day ... op is idempotent, i.e., op(op(X)) = op(X) ...
Requires complicated and unnatural context free grammars. Guides subsequent phases ... Separate table maps scopes to the entries in the hash. Used for ending ...
Sethi & Ullman. Bottom-up (labeling) Compute for every subtree ... Generate the code using labeling by preferring 'heavier' subtrees (larger labeling) ...
An Overview on. Static Program Analysis. Instructor: Mooly Sagiv ... A chapter on program analysis by Jones and Nielson. A note on program analysis by Alex Aiken ...
Construct parse tree in a bottom-up manner. Find the rightmost derivation in a reverse order ... that has not been constructed but all whose children have been ...
A local variable of P cannot be stored in the activation record of P if its ... Cheney's algorithm may lead to subfields that point to far away chunks ...
Encapsulation is the ability of an object to place a boundary around its ... This led to 'spaghetti' code that was difficult to unravel, understand and maintain ...