astDataRepresentation.h

/*
 * astDataRepresentation.h :
 * Exposes the data representation of the Abstract Syntaxic Tree
 * Don't include this if not really needed.
 * All "public" functions are available on the ast.h
 * Part of the compiler project for LSD10 language
 * Gaudry Stéphane
 * More information on http://www.gaudry.be/langages-analyse-syntaxique-ast.html
 * **********************************************************
 */
#ifndef AST_DATAREP_H
	#define AST_DATAREP_H
	#include "common.h"
 
	/**
	 * Debug informations
	 */
	struct debugInfo{
		char* file;
		int line;
		int linePsn;
	};
	typedef struct debugInfo  DebugInfo;
 
	/**
	 * Value informations
	 */
	struct astNodeInfo{
		/*ID, Name of the item (variable, function, etc.)*/
		char *name;
		/* avoid calling more than once the type*/
		int computedType;
		/*LSD10 Type of the item, one of the LEXICAL_VAR_TYPE_xxx constants*/
		int type;
		/*
		Integer value for the integer vars
		O (false) or 1 (true) for the boolean vars
		*/
		int value;
		/*
		Used for the ID and function call nodes, NULL otherwise
		*/
		struct astNode *declarationNode;
		/*
		Used for the "declaration" nodes, NULL otherwise
		*/
		int memoryLocation;
		/*
		Used for the functions nodes
		astNode pointer if return statement is found, NULL otherwise
		*/
		struct astNode *returnStatement;
		int scopeId;
		int scopeDepth;
	};
	typedef struct astNodeInfo  AstNodeInfo;
 
	/**
	 * Structure informations
	 */
	struct astNode {
		/*One of the NODE_TYPE_xxx constant*/
		int type;
		/*Value information*/
		AstNodeInfo *info;
		DebugInfo *debug;
		struct astNode *parent;
		struct astNode *right;
		struct astNode *left;
		/*
		 * One of the NODE_TYPE_xxx constant
		 * todo : use only type and create more constants
		 */
		int subtype;
	};
	typedef struct astNode  AstNode;
	//typedef struct astNode *AstNodePtr;
 
#endif