114 lines
2.6 KiB
C
114 lines
2.6 KiB
C
#ifndef TABLE_H
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#define TABLE_H
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#include <stdio.h>
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#include <stdbool.h>
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/*defined constants*/
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#define START_TABLE_SIZE 128
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#define NAME_MAX_LENGTH 30
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// a list of all type
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typedef enum enumVarType {INT, FLOAT} enumVarType;
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// a list of all type's sizes
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extern int memorySizes[2];
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typedef struct {
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char name[NAME_MAX_LENGTH];
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bool init;
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enumVarType varType;
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int offset;
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int depth;
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} Symbol;
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/*============================
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Array and Reallocation
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============================*/
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/*reallocates the array with the specified size*/
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void reallocateArray(int size);
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/*Checks for the length of the array and reallocates if necessary*/
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void checkArraySanity();
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/* /!\ To be called at the beginning
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* Initializes the array of Symbols*/
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void initSymbolTable();
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/*resets the symbol table*/
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void resetSymboltable();
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/*============================
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Element Management
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============================*/
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/* removes all symbols associated with the current Depth*/
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void clearOutOfScopeVariable();
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/* removes all symbols */
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void flushSymbolTable();
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/* Adds an element */
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void addElement(char* name, enumVarType type);
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/* Adds an element and returns the offset of it */
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int addElementAndGetAddress(char* name, enumVarType type);
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/* Adds a temporary Int element and returns the offset of it */
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int addTempINTAndGetAddress();
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/*creates a new structure and updates variables*/
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Symbol createNewStructure(char* name, enumVarType type);
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/*============================
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Element Edition
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============================*/
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/* sets the init state of the symbol to true */
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void setInit(char *name);
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/*removes one element*/
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void suppressElement(char* name);
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/*removes all temporary variables used for INTs*/
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void suppressTempINTElement();
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/*============================
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Element Access
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============================*/
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/* Returns the index with this name*/
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int getIndex(char* name);
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/* Returns the structure with this name */
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Symbol getStruct(char* name);
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/* Returns the offset from EBP to the symbol in the stack */
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int getOffset(char* name);
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/*==========================
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Flow/Block control
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=========================*/
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/*increases the depth (i.e. when entering a block)*/
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void increaseDepth();
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/*decreases the depth (i.e. when leaving a block)*/
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void decreaseDepth();
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/*============================================
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Display, Todo : put in another .h file
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============================================*/
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void error(char* mess);
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void line();
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void doubleLine();
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/*displays the entire table at this moment including all information
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* regarding the symbols and the current depth*/
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void displayTable();
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#endif
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