[ Course Documents ] : [ Control Structures ]

Course Documents Next Keyword Index

Control Structures

Handout:

PDF File (15pp., 638K)

Outline

• Levels of Control Flow
• Evolution of Control Structures
• Control Structures
• Compound Statements
• Selection Statements
  • Single-Way Selection
  • Two-Way Selection
  • Nested Selectors
  • Disallowing Direct Nesting
  • Closing Reserved Words
  • Multiple Selection Constructs
    • Early Multiple Selectors:
    • Modern Multiple Selectors
    • Case: Pascal Design Choices
    • C/C++ Switch
    • Case: Ada Design Choices
    • Multi-Way If Statements
• Iterative Statements
  • Counter-Controlled Loops
    • FORTRAN DO Loops
    • FORTRAN 90's Other DO
    • ALGOL 60 For Loop
    • ALGOL 60 For Design Choices
    • Pascal For Loop
    • Ada For Loop
    • C For Loop
    • C For Loop Design Choices
    • C++ & Java For Loops
  • Logically-Controlled Loops
    • Logic Loops: Examples
  • User-Located Loop Controls
    • User-Located Controls: Ada
    • User-Loc. Controls: More Examples
  • Iteration Based on Data Structures
• Unconditional Branching (GOTO)
  • Variables as labels: PL/I
  • Restrictions on Pascal's Gotos
• Guarded Commands (Dijkstra, 1975)
  • Guarded Selection
  • Guarded Iteration
• Choice of Control Statements