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NCTU Intro to Compiler Design

===

About

This is a repo for my homework in Compiler Design, NCTU. It contains four directories. The lab is seperated into 4 parts, only hw4 is a complete work.

  • HW1 contains only the lex scanner
  • HW2 has the lex scanner and the parser by yacc
  • HW3 is extended from HW2, a symbol table and the ability to find semantic error is added.
  • HW4 is the complete work, compiles the code and generates java bytecode

Ability

The compiler is for the pascal-like P language.

  • varible: integer, real. Supports global, local and constant varible
  • loop: for, while
  • I/O: print, read
  • function: supports function define and invocation.
  • expression: arithmetic, boolean expressions
  • branch: if...else

Dependency

  • lex or flex
  • yacc or bison
  • java runtime
  • gcc or clang to compile the compiler

Run the compiler

Goto HW4

  • Patterns is for full functionality test
  • test is for small conponent test

Use bash ./compile_and_run [filename] to compile and run the code

for example: bash ./compile_and_run Patterns/general.p

Demo screenshots

This is a game of guessing a number

The code of the program

code

result

result