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The third project involves writing the semantic analyzer for the compiler that was begun in the previous projects. To simplify the semantic error checking, you are to remove the ability to have multiple functions from the grammar and the ability to make function calls.
In order to perform semantic analysis, the symbol table must be completed in this project. The 70 points that you will receive for the functionality portion of your grade on this project will be based on how many of the following errors that you can detect:
Test data that contains each of the following errors will be provided.
This project requires modification to the bison input file, so that it defines the semantic checks necessary to produce these errors and the inclusion of a symbol table to keep track of the declared identifiers.
Variables and parameter names have local scope. The scope rules require that all names be declared and prohibit duplicate names within the same scope. The type correspondence rules are as follows:
Like syntax errors, the compiler should display the semantic errors in the compilation listing, after the line in which they occur.
Create a script file to list the files in a directory in sorted order, showingonlythe file name, file size, and modification date.Each file's attributes must be on one line per file, in any order.
Construct an entity-relationship (ER) model for the database. Make sure you include in your model details of entities, relationships, attributes, keys and limits in participation.
Explain how you could delete the IT department without deleting all the employees who work for that department.
Write a memorandum to Sam Jones (CIO) and present your research findings. Your memorandum should be no longer than 500 words.
You are creating a database of measured meteorological data for use in weather and climate research. Explain a structure type measured_data_t with components site_id_num.
You must implement the entity relationship model provided in the model solution to Assignment 1. The model solution will be released on the course website approximately TWO (2) weeks after the Assignment 1 due date.
Describe briefly what are the main benefits of using DBMS to manage data in program applications involving extensive data access.
Develop a Use Case for each of the major processes and create the context diagram for the system described
Point out the changes you require to make to Premiere Products database to support following situation: A customer is not necessarily represented by a single sales rep but can be represented by several reps.
Write an algorithm called \Find-G" to nd a maximally-general consistent hypothesis. You can assume the data will be noise-free and that the target concept is in the hypothesis space.
Using ER Assist Tool to draw the ER Diagram for the Company Database. The Requirements were discussed in the class.
Create a data warehouse for electronics store chain. The chain has 20 stores in 5 cities. Each store has different sections including computers, DVDs, TVs, audio, home appliances etc.
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