A Compiler is a computer software that transforms program source code which is written in a high-level language into low-level machine code. It essentially translates the code written in one programming language to another language without changing the logic of the code.
The Compiler also makes the code output efficient and optimized for execution time and memory space. The compiling process has basic translation mechanisms and error detection, it can't compile code if there is an error. The compiler process runs through syntax, lexical and semantic analysis in the front end and generate optimized code in the back end.
When executing, the compiler first analyzes all the language statements one after the other syntactically and then, if it's successful, builds the output code, making sure that statements that refer to other statements are referred to appropriately, Traditionally, the output code is called Object Code.
Correctness: A major feature of a compiler is its correctness, and accuracy to compile the given code input into its exact logic in the output object code due to its being developed using rigorous testing techniques (often called compiler validation) on an existing compiler.
Recognize legal and illegal program constructs: Compilers are designed in such a way that they can identify which part of the program formed from one or more lexical tokens using the appropriate rules of the language is syntactically allowable and which is not.
Good Error reporting/handling: A compiler is designed to know how to parse the error encountered from lack be it a syntactical error, insufficient memory errors or logic errors are meticulously handled and displayed to the user.
The Speed of the target code: Compilers make sure that the target code is fast because in huge size code its a serious limitation if the code is slow, some compilers do so by translating the bytecode into target code to run in the specific processor using classical compiling methods.
Preserve the correct meaning of the code: A compiler makes sure that the code logic is preserved to the tiniest detail because a single loss in the code logic can change the whole code logic and output the wrong result, so during design process, the compiler goes through a whole lots of testing to make sure that no code logic is lost during the compiling process.
Code debugging help: Compilers make help the debugging process easier by pointing out the error line to the programmer and telling them the type of error that is encountered so they would know how to start fixing it.
Improved performance: Using a compiler increases your program performance, by making the program optimized, portable and easily run on the specific hardware.
Reduced system load: Compilers make your program run faster than interpreted programs because it compiles the program only once, hence reducing system load and response time when next you run the program.
Protection for source code and programs: Compilers protect your program source by discouraging other users from making unauthorized changes to your programs, you as the author can distribute your programs in object code.
Portability of compiled programs: Compiled programs are always portable meaning that you can transfer it from one machine to another without worrying about dependencies as it is all compiled together.
In the Full course, you will learn everything you need to know about Compiler Design with Certification of Completion to showcase your knowledge/skill gained.
Compiler Design - Introduction/Overview
Compiler Design - Architecture
Compiler Design - Phases of Compiler
Compiler Design - Lexical Analysis
Compiler Design - Regular Expressions
Compiler Design - Finite Automata
Compiler Design - Syntax Analysis
Compiler Design - Types of Parsing
Compiler Design - Top-Down Parser
Compiler Design - Bottom-Up Parser
Compiler Design - Error Recovery
Compiler Design - Semantic Analysis
Compiler Design - Run-time Environment
Compiler Design - Symbol Table
Compiler Design - Intermediate Code
Compiler Design - Code Generation
Compiler Design - Code Optimization
Compiler Design - Exams and Certification
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