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krennw
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/**
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*
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* OOAS Compiler (Deprecated)
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*
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* Copyright 2015, Institute for Software Technology, Graz University of
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* Technology. Portions are copyright 2015 by the AIT Austrian Institute
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* of Technology. All rights reserved.
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*
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* SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.
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*
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* Please notice that this version of the OOAS compiler is considered de-
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* precated. Only the Java version is maintained.
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*
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* Contributors:
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* Willibald Krenn (TU Graz/AIT)
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* Stefan Tiran (TU Graz/AIT)
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*/
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using System;
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using Antlr.Runtime;
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using System.Text;
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using System.Collections.Generic;
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using System.Text.RegularExpressions;
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namespace TUG.Mogentes
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{
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public class CompilerMessage
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{
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private string m_file;
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private int m_line;
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private int m_column;
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private string m_message;
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public CompilerMessage(string aFile, int aLine, int aColumn, string aMessage)
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{
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m_file = aFile;
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m_line = aLine;
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m_column = aColumn;
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m_message = aMessage;
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}
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public CompilerMessage(string aFile, IToken aSymbol, string aMessage)
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{
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m_file = aFile;
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m_line = aSymbol.Line;
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m_column = aSymbol.CharPositionInLine;
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m_message = aMessage;
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}
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public string file { get { return m_file; } }
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public int line { get { return m_line; } }
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public int column { get { return m_column; } }
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public string message { get { return m_message; } }
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}
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public class ParserError : CompilerMessage
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{
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public ParserError(string aFile, int aLine, int aColumn, string aMessage)
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: base(aFile, aLine, aColumn, aMessage)
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{ }
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public ParserError(string aFile, IToken aSymbol, string aMessage)
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: base(aFile, aSymbol, aMessage)
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{ }
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}
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public class ParserWarning : CompilerMessage
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{
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public ParserWarning(string aFile, int aLine, int aColumn, string aMessage)
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: base(aFile, aLine, aColumn, aMessage)
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{ }
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public ParserWarning(string aFile, IToken aSymbol, string aMessage)
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: base(aFile, aSymbol, aMessage)
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{ }
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}
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public class ParserMessage : CompilerMessage
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{
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public ParserMessage(string aFile, int aLine, int aColumn, string aMessage)
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: base(aFile, aLine, aColumn, aMessage)
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{ }
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public ParserMessage(string aFile, IToken aSymbol, string aMessage)
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: base(aFile, aSymbol, aMessage)
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{ }
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}
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public class ParserState
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{
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public ooaParser parser;
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public ooaLexer lexer;
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public string filename;
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public string namesTypePrefix = String.Empty;
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public bool parsingAttributes;
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public MainModule ooaSystem;
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public IScope currentScope;
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public List<ParserError> listOfParserErrors;
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public List<ParserWarning> listOfParserWarnings;
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public List<ParserMessage> listOfParserMessages;
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public List<OpaqueType> typesToFixUp;
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public ParserState(Program.Options options)
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{
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listOfParserErrors = new List<ParserError>();
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listOfParserWarnings = new List<ParserWarning>();
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listOfParserMessages = new List<ParserMessage>();
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typesToFixUp = new List<OpaqueType>();
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this.filename = options.fileToParse;
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this.namesTypePrefix = options.namedTypePrefix;
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ICharStream input = new ANTLRFileStream(filename, Encoding.ASCII);
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lexer = new ooaLexer(input);
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CommonTokenStream tokens = new CommonTokenStream(lexer);
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parser = new ooaParser(tokens);
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parser.pState = this;
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}
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public void AddErrorMessage(ParserError parserError)
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{
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listOfParserErrors.Add(parserError);
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}
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public void AddWarningMessage(ParserWarning parserWarning)
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{
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listOfParserWarnings.Add(parserWarning);
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}
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public void AddMessage(ParserMessage aMessage)
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{
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listOfParserMessages.Add(aMessage);
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}
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public Identifier Lookup(string symbolName, IScope resolveStack)
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{
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string lkupname = symbolName;
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do
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{
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Identifier result = resolveStack.ResolveIdentifier(lkupname);
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if (result != null)
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return result;
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resolveStack = resolveStack.GetParentScope();
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} while (resolveStack != null);
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return null;
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}
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public Identifier Lookup(string symbolName)
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{
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return Lookup(symbolName, currentScope);
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}
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public Identifier Lookup(IToken symbolName)
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{
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if (symbolName != null)
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return Lookup(symbolName.Text);
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else
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return null;
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}
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public void PushResolveStack(IScope newScope)
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{
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// some sanity check.
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if (newScope is MethodIdentifier)
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System.Diagnostics.Debug.Assert(currentScope is OoActionSystemType);
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newScope.SetParentScope(currentScope);
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currentScope = newScope;
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}
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public void PopResolveStack()
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{
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currentScope = currentScope.GetParentScope();
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}
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}
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public partial class ooaParser : Parser
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{
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public ParserState pState { get; set; }
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public bool IsRightToLeft(ExpressionKind type)
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{
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return type == ExpressionKind.implies; // implication has right grouping
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}
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public int GetOperatorPrecedence(ExpressionKind type)
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{
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switch (type)
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{
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/*Family of Evaluators*/
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case ExpressionKind.abs: // T_ABS:
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case ExpressionKind.card: // T_CARD:
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case ExpressionKind.dom: // T_DOM:
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case ExpressionKind.range: // T_RNG:
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case ExpressionKind.merge: // T_MERGE:
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case ExpressionKind.len: // T_LEN:
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case ExpressionKind.elems: // T_ELEMS:
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case ExpressionKind.head: // T_HEAD:
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case ExpressionKind.tail: // T_TAIL:
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case ExpressionKind.conc: // T_CONC:
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case ExpressionKind.inds: // T_INDS:
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case ExpressionKind.dinter: // T_DINTER:
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case ExpressionKind.dunion: // T_DUNION:
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return 1;
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case ExpressionKind.domresby: // T_DOMRESBY:
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case ExpressionKind.domresto: // T_DOMRESTO:
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case ExpressionKind.rngresby: // T_RNGRESBY:
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case ExpressionKind.rngresto: // T_RNGRESTO:
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return 2;
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case ExpressionKind.div: // T_DIV:
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case ExpressionKind.idiv: // T_IDIV:
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case ExpressionKind.mod: // T_MOD:
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case ExpressionKind.prod: // T_PROD:
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case ExpressionKind.inter: // T_INTER:
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return 3;
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case ExpressionKind.sum: // T_SUM:
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case ExpressionKind.minus: // T_MINUS:
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case ExpressionKind.union: // T_UNION:
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case ExpressionKind.diff: // T_DIFF:
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case ExpressionKind.munion: // T_MUNION:
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case ExpressionKind.seqmod_mapoverride: // T_SEQMOD_MAPOVERRIDE:
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return 4;
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/*Family of Relations*/
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case ExpressionKind.less:
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case ExpressionKind.lessequal:
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case ExpressionKind.greater:
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case ExpressionKind.greaterequal:
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case ExpressionKind.equal:
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case ExpressionKind.notequal:
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case ExpressionKind.subset:
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case ExpressionKind.elemin:
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case ExpressionKind.notelemin:
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return 5;
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/*Family of Connectives*/
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case ExpressionKind.and: // T_AND:
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return 6;
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case ExpressionKind.or: // T_OR:
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return 7;
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case ExpressionKind.implies: // T_IMPLIES:
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return 8;
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case ExpressionKind.biimplies: // T_BIIMPLIES:
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return 9;
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default:
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throw new NotImplementedException("operator not supported: " + type.ToString());
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// return 0;
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}
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}
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/*taken from antlr homepage:
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http://www.antlr.org/wiki/display/ANTLR3/Operator+precedence+parser
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*/
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int findPivot(List<BinaryOperator> operators, int startIndex, int stopIndex)
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{
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int pivot = startIndex;
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int pivotRank = GetOperatorPrecedence(operators[pivot].kind);
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for (int i = startIndex + 1; i <= stopIndex; i++)
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{
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ExpressionKind type = operators[i].kind;
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int current = GetOperatorPrecedence(type);
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bool rtl = IsRightToLeft(type);
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if (current > pivotRank || (current == pivotRank && rtl))
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{
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pivot = i;
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pivotRank = current;
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}
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}
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return pivot;
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}
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internal Expression createPrecedenceTree(
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List<Expression> expressions,
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List<BinaryOperator> operators,
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int startIndex,
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int stopIndex)
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{
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if (stopIndex == startIndex)
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return expressions[startIndex];
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int pivot = findPivot(operators, startIndex, stopIndex - 1);
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BinaryOperator result = operators[pivot];
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result.SetLeftChild(createPrecedenceTree(expressions, operators, startIndex, pivot));
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result.SetRightChild(createPrecedenceTree(expressions, operators, pivot + 1, stopIndex));
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return result;
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}
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internal Expression createPrecedenceTree(List<Expression> expressions, List<BinaryOperator> operators)
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{
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return createPrecedenceTree(expressions, operators, 0, expressions.Count - 1);
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}
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| 312 |
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/* add error message to state. */
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| 313 |
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private void doError(IToken aToken, string aMessage)
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| 314 |
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{
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| 315 |
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pState.AddErrorMessage(
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new ParserError(pState.filename, aToken, aMessage));
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| 317 |
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}
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| 318 |
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| 319 |
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/* add warning message to state */
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| 320 |
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private void doWarning(IToken id1, string p)
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| 321 |
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{
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| 322 |
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pState.AddWarningMessage(new ParserWarning(pState.filename, id1, p));
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| 323 |
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}
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| 324 |
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| 325 |
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private void doError(string aMessage)
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| 326 |
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{
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| 327 |
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pState.AddErrorMessage(
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| 328 |
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new ParserError(pState.filename, 0, 0, aMessage));
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| 329 |
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}
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| 330 |
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| 331 |
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/* init global state */
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| 332 |
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internal void initializeTopLevelParserState()
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| 333 |
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{
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| 334 |
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pState.ooaSystem = new MainModule();
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| 335 |
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pState.PushResolveStack(pState.ooaSystem);
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| 336 |
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}
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| 337 |
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| 338 |
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| 339 |
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private IScope GetScope()
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| 340 |
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{
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| 341 |
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return pState.currentScope;
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| 342 |
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}
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| 343 |
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| 344 |
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| 345 |
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/*create a named constant*/
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| 346 |
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internal void addNamedConst(IToken aName, Expression anExpr)
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| 347 |
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{
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| 348 |
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if (pState.currentScope.ResolveIdentifier(aName.Text) == null)
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| 349 |
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{
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| 350 |
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/* needs to be a constant... */
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| 351 |
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ConstantIdentifier aConst = new ConstantIdentifier(aName, anExpr, GetScope());
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| 352 |
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| 353 |
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OoaResolveExpressionsVisitor resolver = new OoaResolveExpressionsVisitor(pState);
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| 354 |
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aConst.Accept(resolver);
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| 355 |
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| 356 |
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if (aConst.Value == null || aConst.Value.type == null || aConst.Value.kind != ExpressionKind.Value)
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| 357 |
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{
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| 358 |
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doError(aName, String.Format("{0} not a constant!", aName.Text));
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| 359 |
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}
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| 360 |
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else
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| 361 |
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{
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| 362 |
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aConst.SetType(aConst.Value.type);
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| 363 |
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pState.currentScope.AddIdentifier(aConst, null);
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| 364 |
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}
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| 365 |
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}
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| 366 |
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else
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| 367 |
|
|
doError(aName, String.Format("{0} already defined!", aName.Text));
|
| 368 |
|
|
}
|
| 369 |
|
|
|
| 370 |
|
|
|
| 371 |
|
|
|
| 372 |
|
|
/* create a named type; we're on top-level here */
|
| 373 |
|
|
internal void createNamedType(IToken aName, UlyssesType aType)
|
| 374 |
|
|
{
|
| 375 |
|
|
// precond..
|
| 376 |
|
|
System.Diagnostics.Debug.Assert(aName != null);
|
| 377 |
|
|
|
| 378 |
|
|
if (aType == null)
|
| 379 |
|
|
{
|
| 380 |
|
|
doError(aName, String.Format("{0} lacks a type! (Type not added)", aName.Text));
|
| 381 |
|
|
return;
|
| 382 |
|
|
}
|
| 383 |
|
|
|
| 384 |
|
|
|
| 385 |
|
|
if (pState.currentScope.ResolveIdentifier(aName.Text) == null)
|
| 386 |
|
|
{
|
| 387 |
|
|
TypeIdentifier newid = new TypeIdentifier(aName, aType, GetScope());
|
| 388 |
|
|
aType.SetTypeIdentifier(newid);
|
| 389 |
|
|
pState.currentScope.AddIdentifier(newid, null);
|
| 390 |
|
|
}
|
| 391 |
|
|
else
|
| 392 |
|
|
doError(aName, String.Format("{0} already defined!", aName.Text));
|
| 393 |
|
|
|
| 394 |
|
|
}
|
| 395 |
|
|
|
| 396 |
|
|
/* create basic structure for an ooa-system descr. resolve stack TOS is now ooa-system symbols */
|
| 397 |
|
|
internal OoActionSystemType createOoaType(IToken refinesSystemName, bool autoCons)
|
| 398 |
|
|
{
|
| 399 |
|
|
Identifier refinedSystem = pState.Lookup(refinesSystemName);
|
| 400 |
|
|
OoActionSystemType refinedSystemType = null;
|
| 401 |
|
|
if ((refinedSystem != null) && (refinedSystem.type != null))
|
| 402 |
|
|
{
|
| 403 |
|
|
if (refinedSystem.type.kind != TypeKind.OoActionSystemType)
|
| 404 |
|
|
doError(refinesSystemName,
|
| 405 |
|
|
String.Format("{0} not an object oriented action system", refinesSystemName.Text));
|
| 406 |
|
|
else
|
| 407 |
|
|
refinedSystemType = (OoActionSystemType)refinedSystem.type;
|
| 408 |
|
|
}
|
| 409 |
|
|
else if (refinesSystemName != null)
|
| 410 |
|
|
{
|
| 411 |
|
|
pState.AddErrorMessage(
|
| 412 |
|
|
new ParserError(pState.filename, refinesSystemName,
|
| 413 |
|
|
String.Format("Type that's being refined ({0}) not found!", refinesSystemName.Text)));
|
| 414 |
|
|
}
|
| 415 |
|
|
|
| 416 |
|
|
OoActionSystemType result = new OoActionSystemType(autoCons, refinedSystemType, null);
|
| 417 |
|
|
|
| 418 |
|
|
|
| 419 |
|
|
// add 'self' to the symbols.. (self is a keyword, so it can't be defined)
|
| 420 |
|
|
result.AddIdentifier(new SelfTypeIdentifier("self", result, GetScope()), null);
|
| 421 |
|
|
|
| 422 |
|
|
|
| 423 |
|
|
|
| 424 |
|
|
pState.PushResolveStack(result);
|
| 425 |
|
|
return result;
|
| 426 |
|
|
}
|
| 427 |
|
|
|
| 428 |
|
|
/* remove ooa-system symbols from resolve stack TOS */
|
| 429 |
|
|
internal void fixupOoaType(OoActionSystemType aTypeSymbol)
|
| 430 |
|
|
{
|
| 431 |
|
|
if (aTypeSymbol == null)
|
| 432 |
|
|
return;
|
| 433 |
|
|
|
| 434 |
|
|
aTypeSymbol.SetupAnonymousName();
|
| 435 |
|
|
if (aTypeSymbol != null)
|
| 436 |
|
|
pState.PopResolveStack();
|
| 437 |
|
|
}
|
| 438 |
|
|
|
| 439 |
|
|
internal Expression addCastExpression(Expression e, IToken cid)
|
| 440 |
|
|
{
|
| 441 |
|
|
System.Diagnostics.Debug.Assert(e != null);
|
| 442 |
|
|
|
| 443 |
|
|
Expression result = new UnaryOperator(ExpressionKind.Cast, e, cid.Line, cid.CharPositionInLine);
|
| 444 |
|
|
result.SetType(new OpaqueType(new TypeIdentifier(cid, null, GetScope())));
|
| 445 |
|
|
pState.typesToFixUp.Add((OpaqueType)result.type);
|
| 446 |
|
|
return result;
|
| 447 |
|
|
}
|
| 448 |
|
|
|
| 449 |
|
|
|
| 450 |
|
|
/* add a new ooa to the list describing the composition of action systems */
|
| 451 |
|
|
internal void addToIdentifierList(IdentifierList top, IToken aName)
|
| 452 |
|
|
{
|
| 453 |
|
|
System.Diagnostics.Debug.Assert(top != null);
|
| 454 |
|
|
|
| 455 |
|
|
Identifier aSym = pState.Lookup(aName);
|
| 456 |
|
|
if (aSym == null)
|
| 457 |
|
|
{
|
| 458 |
|
|
doError(aName, String.Format("Could not find ooa-system {0}!", aName.Text));
|
| 459 |
|
|
}
|
| 460 |
|
|
else if ((aSym.type == null) || !(aSym.type.kind == TypeKind.OoActionSystemType))
|
| 461 |
|
|
{
|
| 462 |
|
|
doError(aName, String.Format("Referenced type ({0}) does not have correct type!", aName.Text));
|
| 463 |
|
|
}
|
| 464 |
|
|
else
|
| 465 |
|
|
{
|
| 466 |
|
|
OoActionSystemType aType = (OoActionSystemType)aSym.type;
|
| 467 |
|
|
if (aType.isInSystemDescription)
|
| 468 |
|
|
doError(aName, String.Format("Referenced type ({0}) already used in composition!", aName.Text));
|
| 469 |
|
|
else
|
| 470 |
|
|
aType.SetIsInSystemDescription(true);
|
| 471 |
|
|
top.AddElement(aSym);
|
| 472 |
|
|
}
|
| 473 |
|
|
}
|
| 474 |
|
|
|
| 475 |
|
|
/* does a fixup run after parsing */
|
| 476 |
|
|
internal void fixUpRun(IdentifierList sysDescr)
|
| 477 |
|
|
{
|
| 478 |
|
|
// set system descr.
|
| 479 |
|
|
pState.ooaSystem.SetSystemDescription(sysDescr);
|
| 480 |
|
|
|
| 481 |
|
|
// fixup named types
|
| 482 |
|
|
FixupNamedTypes();
|
| 483 |
|
|
}
|
| 484 |
|
|
|
| 485 |
|
|
private void FixupNamedTypes()
|
| 486 |
|
|
{
|
| 487 |
|
|
/*named type refs that could not be resolved in the first run, have to
|
| 488 |
|
|
be resolved now. */
|
| 489 |
|
|
foreach (var ntype in pState.typesToFixUp)
|
| 490 |
|
|
{
|
| 491 |
|
|
if (ntype.resolvedType == null)
|
| 492 |
|
|
{
|
| 493 |
|
|
//ntype.identifier
|
| 494 |
|
|
Identifier asym = pState.Lookup(ntype.identifier.tokenText, ntype.identifier.definingScope);
|
| 495 |
|
|
if ((asym == null) || (asym.kind != IdentifierKind.TypeIdentifier))
|
| 496 |
|
|
{
|
| 497 |
|
|
ParserError error = new ParserError(pState.filename, ntype.identifier.line, ntype.identifier.column,
|
| 498 |
|
|
String.Format("Can not resolve {0} to a named type", ntype.identifier.tokenText));
|
| 499 |
|
|
pState.AddErrorMessage(error);
|
| 500 |
|
|
}
|
| 501 |
|
|
else
|
| 502 |
|
|
ntype.SetResolvedType(asym.type);
|
| 503 |
|
|
}
|
| 504 |
|
|
}
|
| 505 |
|
|
pState.typesToFixUp.Clear();
|
| 506 |
|
|
}
|
| 507 |
|
|
|
| 508 |
|
|
|
| 509 |
|
|
private bool TosIsActionSystem()
|
| 510 |
|
|
{
|
| 511 |
|
|
return pState.currentScope is OoActionSystemType;
|
| 512 |
|
|
}
|
| 513 |
|
|
|
| 514 |
|
|
|
| 515 |
|
|
private int currentLine
|
| 516 |
|
|
{
|
| 517 |
|
|
get
|
| 518 |
|
|
{
|
| 519 |
|
|
IToken token = input.LT(-1);
|
| 520 |
|
|
return token == null ? 0 : token.Line;
|
| 521 |
|
|
}
|
| 522 |
|
|
}
|
| 523 |
|
|
|
| 524 |
|
|
private int currentPos
|
| 525 |
|
|
{
|
| 526 |
|
|
get
|
| 527 |
|
|
{
|
| 528 |
|
|
IToken token = input.LT(-1);
|
| 529 |
|
|
return token == null ? 0 : token.CharPositionInLine;
|
| 530 |
|
|
}
|
| 531 |
|
|
}
|
| 532 |
|
|
|
| 533 |
|
|
/* add var symbol to the current action system */
|
| 534 |
|
|
internal void createAttribute(IToken varname, bool isStatic, bool isObs, bool isCtr, UlyssesType aType, Expression anExpr)
|
| 535 |
|
|
{
|
| 536 |
|
|
if (!TosIsActionSystem())
|
| 537 |
|
|
return;
|
| 538 |
|
|
|
| 539 |
|
|
if (aType == null)
|
| 540 |
|
|
{
|
| 541 |
|
|
doError(varname, String.Format("{0} lacks type!", varname.Text));
|
| 542 |
|
|
}
|
| 543 |
|
|
if (anExpr == null)
|
| 544 |
|
|
{
|
| 545 |
|
|
doError(varname, String.Format("{0} lacks initializer!", varname.Text));
|
| 546 |
|
|
}
|
| 547 |
|
|
if (isObs == true || isCtr == true)
|
| 548 |
|
|
if (aType.kind != TypeKind.QrType)
|
| 549 |
|
|
doError(varname, "'obs' or 'ctr' on attributes only allowed for qualitative types");
|
| 550 |
|
|
|
| 551 |
|
|
|
| 552 |
|
|
AttributeIdentifier var = new AttributeIdentifier(varname, aType, GetScope(), anExpr, isStatic, isObs, isCtr);
|
| 553 |
|
|
if (pState.currentScope.ResolveIdentifier(varname.Text) == null)
|
| 554 |
|
|
pState.currentScope.AddIdentifier(var, null);
|
| 555 |
|
|
else
|
| 556 |
|
|
doError(varname, String.Format("Can not add {0}: Symbol already defined!", varname.Text));
|
| 557 |
|
|
}
|
| 558 |
|
|
|
| 559 |
|
|
|
| 560 |
|
|
/* create a bool type */
|
| 561 |
|
|
internal BoolType createBoolType()
|
| 562 |
|
|
{
|
| 563 |
|
|
return new BoolType(null);
|
| 564 |
|
|
}
|
| 565 |
|
|
|
| 566 |
|
|
/* create a char type */
|
| 567 |
|
|
internal CharType createCharType()
|
| 568 |
|
|
{
|
| 569 |
|
|
return new CharType(null);
|
| 570 |
|
|
}
|
| 571 |
|
|
|
| 572 |
|
|
/* create an int type */
|
| 573 |
|
|
internal UlyssesType createIntType(IToken rangeLow, IToken rangeHigh)
|
| 574 |
|
|
{
|
| 575 |
|
|
int low = 0;
|
| 576 |
|
|
int high = 0;
|
| 577 |
|
|
|
| 578 |
|
|
if (rangeLow.Type == ooaLexer.T_INFTY)
|
| 579 |
|
|
doError(rangeLow, "Infinity not supported.");
|
| 580 |
|
|
if (rangeLow.Type == ooaLexer.T_INFTY)
|
| 581 |
|
|
doError(rangeHigh, "Infinity not supported.");
|
| 582 |
|
|
|
| 583 |
|
|
if (rangeLow.Type == ooaLexer.T_IDENTIFIER)
|
| 584 |
|
|
{
|
| 585 |
|
|
// see whether we can find the constant
|
| 586 |
|
|
Identifier aconst = pState.currentScope.ResolveIdentifier(rangeLow.Text);
|
| 587 |
|
|
if (aconst == null || aconst.kind != IdentifierKind.Constant)
|
| 588 |
|
|
doError(rangeLow, String.Format("Constant {0} not found", rangeLow.Text));
|
| 589 |
|
|
else if (aconst.type.kind != TypeKind.IntType)
|
| 590 |
|
|
doError(rangeLow, "Constant must be integer");
|
| 591 |
|
|
else
|
| 592 |
|
|
low = ((ValueExpression<int>)((ConstantIdentifier)aconst).Value).value;
|
| 593 |
|
|
}
|
| 594 |
|
|
else
|
| 595 |
|
|
if (!Int32.TryParse(rangeLow.Text, out low))
|
| 596 |
|
|
doError(rangeLow, "Can not convert to integer");
|
| 597 |
|
|
|
| 598 |
|
|
if (rangeHigh.Type == ooaLexer.T_IDENTIFIER)
|
| 599 |
|
|
{
|
| 600 |
|
|
// see whether we can find the constant
|
| 601 |
|
|
Identifier aconst = pState.currentScope.ResolveIdentifier(rangeHigh.Text);
|
| 602 |
|
|
if (aconst == null || aconst.kind != IdentifierKind.Constant)
|
| 603 |
|
|
doError(rangeHigh, String.Format("Constant {0} not found", rangeHigh.Text));
|
| 604 |
|
|
else if (aconst.type.kind != TypeKind.IntType)
|
| 605 |
|
|
doError(rangeHigh, "Constant must be integer");
|
| 606 |
|
|
else
|
| 607 |
|
|
high = ((ValueExpression<int>)((ConstantIdentifier)aconst).Value).value;
|
| 608 |
|
|
}
|
| 609 |
|
|
else
|
| 610 |
|
|
if (!Int32.TryParse(rangeHigh.Text, out high))
|
| 611 |
|
|
doError(rangeHigh, "Can not convert to interger");
|
| 612 |
|
|
|
| 613 |
|
|
if (high < low)
|
| 614 |
|
|
doError(rangeHigh, "Lower bound greater than upper bound");
|
| 615 |
|
|
|
| 616 |
|
|
return new IntType(low, high, null);
|
| 617 |
|
|
}
|
| 618 |
|
|
|
| 619 |
|
|
/* create a float type */
|
| 620 |
|
|
internal UlyssesType createFloatType(IToken rangeLow, IToken rangeHigh)
|
| 621 |
|
|
{
|
| 622 |
|
|
float low = 0;
|
| 623 |
|
|
float high = 0;
|
| 624 |
|
|
|
| 625 |
|
|
if (rangeLow.Type == ooaLexer.T_INFTY)
|
| 626 |
|
|
doError(rangeLow, "Infinity not supported.");
|
| 627 |
|
|
if (rangeLow.Type == ooaLexer.T_INFTY)
|
| 628 |
|
|
doError(rangeHigh, "Infinity not supported.");
|
| 629 |
|
|
|
| 630 |
|
|
if (rangeLow.Type == ooaLexer.T_IDENTIFIER)
|
| 631 |
|
|
{
|
| 632 |
|
|
// see whether we can find the constant
|
| 633 |
|
|
Identifier aconst = pState.currentScope.ResolveIdentifier(rangeLow.Text);
|
| 634 |
|
|
if (aconst == null || aconst.kind != IdentifierKind.Constant)
|
| 635 |
|
|
doError(rangeLow, String.Format("Constant {0} not found", rangeLow.Text));
|
| 636 |
|
|
else if (aconst.type.kind != TypeKind.FloatType)
|
| 637 |
|
|
doError(rangeLow, "Constant must be float");
|
| 638 |
|
|
else
|
| 639 |
|
|
low = ((ValueExpression<int>)((ConstantIdentifier)aconst).Value).value;
|
| 640 |
|
|
}
|
| 641 |
|
|
else if (!float.TryParse(rangeLow.Text, out low))
|
| 642 |
|
|
doError(rangeLow, "Can not convert to float (single)");
|
| 643 |
|
|
|
| 644 |
|
|
if (rangeHigh.Type == ooaLexer.T_IDENTIFIER)
|
| 645 |
|
|
{
|
| 646 |
|
|
// see whether we can find the constant
|
| 647 |
|
|
Identifier aconst = pState.currentScope.ResolveIdentifier(rangeHigh.Text);
|
| 648 |
|
|
if (aconst == null || aconst.kind != IdentifierKind.Constant)
|
| 649 |
|
|
doError(rangeHigh, String.Format("Constant {0} not found", rangeHigh.Text));
|
| 650 |
|
|
else if (aconst.type.kind != TypeKind.FloatType)
|
| 651 |
|
|
doError(rangeHigh, "Constant must be integer");
|
| 652 |
|
|
else
|
| 653 |
|
|
high = ((ValueExpression<int>)((ConstantIdentifier)aconst).Value).value;
|
| 654 |
|
|
}
|
| 655 |
|
|
else if (!float.TryParse(rangeHigh.Text, out high))
|
| 656 |
|
|
doError(rangeHigh, "Can not convert to float (single)");
|
| 657 |
|
|
|
| 658 |
|
|
if (high < low)
|
| 659 |
|
|
doError(rangeHigh, "Lower bound greater than upper bound");
|
| 660 |
|
|
|
| 661 |
|
|
/* precision */
|
| 662 |
|
|
float afterc_low = low - (float)Convert.ToInt32(low);
|
| 663 |
|
|
float afterc_high = high - (float)Convert.ToInt32(high);
|
| 664 |
|
|
float precision = afterc_low < afterc_high ? afterc_low : afterc_high;
|
| 665 |
|
|
|
| 666 |
|
|
return new FloatType(low, high, precision, null);
|
| 667 |
|
|
}
|
| 668 |
|
|
|
| 669 |
|
|
/* create a list of an enumerated type */
|
| 670 |
|
|
internal UlyssesType createListEnumType(IToken alistelem)
|
| 671 |
|
|
{
|
| 672 |
|
|
EnumType hiddenEnumType = new EnumType(null);
|
| 673 |
|
|
|
| 674 |
|
|
ListType result = new ListType(hiddenEnumType, 500, null);
|
| 675 |
|
|
addToListEnumType(result, alistelem);
|
| 676 |
|
|
return result;
|
| 677 |
|
|
}
|
| 678 |
|
|
|
| 679 |
|
|
/* add a new enum symbol to a list with an anonymous enumerated type */
|
| 680 |
|
|
internal void addToListEnumType(UlyssesType aTypeSymbol, IToken otherlistelem)
|
| 681 |
|
|
{
|
| 682 |
|
|
EnumType enumtype = (EnumType)((ListType)aTypeSymbol).innerType;
|
| 683 |
|
|
addToEnumType(enumtype, otherlistelem, null);
|
| 684 |
|
|
}
|
| 685 |
|
|
|
| 686 |
|
|
/* create a new enumerated type */
|
| 687 |
|
|
internal UlyssesType createEnumType(IToken aRangeValue, IToken anIntegerValue)
|
| 688 |
|
|
{
|
| 689 |
|
|
EnumType result;
|
| 690 |
|
|
|
| 691 |
|
|
if (anIntegerValue == null)
|
| 692 |
|
|
result = new EnumType(null);
|
| 693 |
|
|
else
|
| 694 |
|
|
result = new ValuedEnumType(null);
|
| 695 |
|
|
|
| 696 |
|
|
addToEnumType(result, aRangeValue, anIntegerValue);
|
| 697 |
|
|
return result;
|
| 698 |
|
|
}
|
| 699 |
|
|
|
| 700 |
|
|
/* add a new enum symbol to the enumerated type */
|
| 701 |
|
|
internal void addToEnumType(UlyssesType aTypeSymbol, IToken otherRangeValue, IToken anIntegerValue)
|
| 702 |
|
|
{
|
| 703 |
|
|
EnumType anEnum = (EnumType)aTypeSymbol;
|
| 704 |
|
|
if (anEnum.symbolTable.Defined(otherRangeValue.Text))
|
| 705 |
|
|
{
|
| 706 |
|
|
doError(otherRangeValue, String.Format("Element '{0}' already defined!", otherRangeValue.Text));
|
| 707 |
|
|
return;
|
| 708 |
|
|
}
|
| 709 |
|
|
|
| 710 |
|
|
/* for now we allow the usage of enum-ids without specifying the actual enum type,
|
| 711 |
|
|
* e.g., x = some_enum_id, hence all enum identifier must be globally unique.
|
| 712 |
|
|
* This decision could be reverted at later time...
|
| 713 |
|
|
*/
|
| 714 |
|
|
Identifier sym = pState.Lookup(otherRangeValue);
|
| 715 |
|
|
if (sym != null)
|
| 716 |
|
|
{
|
| 717 |
|
|
doError(otherRangeValue, String.Format("Element '{0}' already defined!", otherRangeValue.Text));
|
| 718 |
|
|
return;
|
| 719 |
|
|
}
|
| 720 |
|
|
|
| 721 |
|
|
EnumIdentifier enumval;
|
| 722 |
|
|
if (anIntegerValue == null)
|
| 723 |
|
|
{
|
| 724 |
|
|
if (aTypeSymbol is ValuedEnumType)
|
| 725 |
|
|
{
|
| 726 |
|
|
doError(otherRangeValue, String.Format("Element '{0}' needs integer value!", otherRangeValue.Text));
|
| 727 |
|
|
return;
|
| 728 |
|
|
}
|
| 729 |
|
|
|
| 730 |
|
|
enumval = new EnumIdentifier(otherRangeValue, (EnumType)aTypeSymbol, GetScope());
|
| 731 |
|
|
}
|
| 732 |
|
|
else
|
| 733 |
|
|
{
|
| 734 |
|
|
if (!(aTypeSymbol is ValuedEnumType))
|
| 735 |
|
|
{
|
| 736 |
|
|
doError(otherRangeValue, String.Format("Element '{0}' must not have integer value!", otherRangeValue.Text));
|
| 737 |
|
|
return;
|
| 738 |
|
|
}
|
| 739 |
|
|
enumval = new EnumIdentifier(otherRangeValue, Int32.Parse(anIntegerValue.Text), (EnumType)aTypeSymbol, GetScope());
|
| 740 |
|
|
}
|
| 741 |
|
|
|
| 742 |
|
|
((EnumType)aTypeSymbol).AddEnumSymbol(enumval);
|
| 743 |
|
|
|
| 744 |
|
|
/* add the enum id to 'global' state */
|
| 745 |
|
|
pState.currentScope.AddIdentifier(enumval, null);
|
| 746 |
|
|
}
|
| 747 |
|
|
|
| 748 |
|
|
/* get a named type */
|
| 749 |
|
|
internal UlyssesType getNamedType(IToken aType)
|
| 750 |
|
|
{
|
| 751 |
|
|
UlyssesType result = null;
|
| 752 |
|
|
Identifier sym = pState.Lookup(aType);
|
| 753 |
|
|
if (sym == null)
|
| 754 |
|
|
{
|
| 755 |
|
|
/* we might not have seen this type yet - so do a fixup run later */
|
| 756 |
|
|
result = new OpaqueType(new TypeIdentifier(aType, null, GetScope()));
|
| 757 |
|
|
pState.typesToFixUp.Add((OpaqueType)result);
|
| 758 |
|
|
}
|
| 759 |
|
|
else if (sym.kind == IdentifierKind.TypeIdentifier)
|
| 760 |
|
|
result = ((TypeIdentifier)sym).type;
|
| 761 |
|
|
else
|
| 762 |
|
|
doError(aType, "Not a named type symbol!");
|
| 763 |
|
|
|
| 764 |
|
|
return result;
|
| 765 |
|
|
}
|
| 766 |
|
|
|
| 767 |
|
|
/* create a list type */
|
| 768 |
|
|
internal UlyssesType createListType(IToken numOfElements, UlyssesType innertype)
|
| 769 |
|
|
{
|
| 770 |
|
|
if (innertype == null)
|
| 771 |
|
|
doError(numOfElements, "List type lacks proper element type (null)");
|
| 772 |
|
|
|
| 773 |
|
|
int numElems = 0;
|
| 774 |
|
|
|
| 775 |
|
|
if (numOfElements.Type == ooaLexer.T_IDENTIFIER)
|
| 776 |
|
|
{
|
| 777 |
|
|
// see whether we can find the constant
|
| 778 |
|
|
Identifier aconst = pState.currentScope.ResolveIdentifier(numOfElements.Text);
|
| 779 |
|
|
if (aconst == null || aconst.kind != IdentifierKind.Constant)
|
| 780 |
|
|
doError(numOfElements, String.Format("Constant {0} not found", numOfElements.Text));
|
| 781 |
|
|
else if (aconst.type.kind != TypeKind.IntType)
|
| 782 |
|
|
doError(numOfElements, "Constant must be integer");
|
| 783 |
|
|
else
|
| 784 |
|
|
numElems = ((ValueExpression<int>)((ConstantIdentifier)aconst).Value).value;
|
| 785 |
|
|
}
|
| 786 |
|
|
else
|
| 787 |
|
|
{
|
| 788 |
|
|
if (!Int32.TryParse(numOfElements.Text, out numElems))
|
| 789 |
|
|
doError(numOfElements, "Not an integer");
|
| 790 |
|
|
if (numElems <= 0)
|
| 791 |
|
|
doError(numOfElements, "Number of elements in a list must be >= 1");
|
| 792 |
|
|
}
|
| 793 |
|
|
|
| 794 |
|
|
ListType result = new ListType(innertype, numElems, null);
|
| 795 |
|
|
return result;
|
| 796 |
|
|
}
|
| 797 |
|
|
|
| 798 |
|
|
/* create a map type */
|
| 799 |
|
|
internal UlyssesType createMapType(IToken numOfElements, UlyssesType mapfromtype, UlyssesType maptotype)
|
| 800 |
|
|
{
|
| 801 |
|
|
if (mapfromtype == null)
|
| 802 |
|
|
doError(numOfElements, "Map: From-type not set (null)");
|
| 803 |
|
|
if (maptotype == null)
|
| 804 |
|
|
doError(numOfElements, "Map: To-type not set (null)");
|
| 805 |
|
|
|
| 806 |
|
|
int max = 0;
|
| 807 |
|
|
|
| 808 |
|
|
if (numOfElements.Type == ooaLexer.T_IDENTIFIER)
|
| 809 |
|
|
{
|
| 810 |
|
|
// see whether we can find the constant
|
| 811 |
|
|
Identifier aconst = pState.currentScope.ResolveIdentifier(numOfElements.Text);
|
| 812 |
|
|
if (aconst == null || aconst.kind != IdentifierKind.Constant)
|
| 813 |
|
|
doError(numOfElements, String.Format("Constant {0} not found", numOfElements.Text));
|
| 814 |
|
|
else if (aconst.type.kind != TypeKind.IntType)
|
| 815 |
|
|
doError(numOfElements, "Constant must be integer");
|
| 816 |
|
|
else
|
| 817 |
|
|
max = ((ValueExpression<int>)((ConstantIdentifier)aconst).Value).value;
|
| 818 |
|
|
}
|
| 819 |
|
|
else
|
| 820 |
|
|
if (!Int32.TryParse(numOfElements.Text, out max))
|
| 821 |
|
|
doError(numOfElements, "Not an integer");
|
| 822 |
|
|
|
| 823 |
|
|
MapType result = new MapType(mapfromtype, maptotype, max, null);
|
| 824 |
|
|
return result;
|
| 825 |
|
|
}
|
| 826 |
|
|
|
| 827 |
|
|
/* create a tuple type */
|
| 828 |
|
|
internal UlyssesType createTupleType(UlyssesType aType)
|
| 829 |
|
|
{
|
| 830 |
|
|
TupleType result = new TupleType(null);
|
| 831 |
|
|
if (aType == null)
|
| 832 |
|
|
doError("Unknown inner type.");
|
| 833 |
|
|
else
|
| 834 |
|
|
addToTupleType(result, aType);
|
| 835 |
|
|
return result;
|
| 836 |
|
|
}
|
| 837 |
|
|
|
| 838 |
|
|
/* add inner type to tuple */
|
| 839 |
|
|
internal void addToTupleType(UlyssesType aTypeSymbol, UlyssesType anotherType)
|
| 840 |
|
|
{
|
| 841 |
|
|
if (anotherType == null)
|
| 842 |
|
|
doError("Unknown inner type.");
|
| 843 |
|
|
else
|
| 844 |
|
|
{
|
| 845 |
|
|
TupleType tuple = (TupleType)aTypeSymbol;
|
| 846 |
|
|
tuple.AddType(anotherType);
|
| 847 |
|
|
}
|
| 848 |
|
|
}
|
| 849 |
|
|
|
| 850 |
|
|
/* create a QR type */
|
| 851 |
|
|
internal UlyssesType createQrType(IToken alandmark)
|
| 852 |
|
|
{
|
| 853 |
|
|
QrType result = new QrType(null);
|
| 854 |
|
|
addToQrType(result, alandmark);
|
| 855 |
|
|
return result;
|
| 856 |
|
|
}
|
| 857 |
|
|
|
| 858 |
|
|
/* add another landmark to QR type */
|
| 859 |
|
|
private void addToQrType(UlyssesType aTypeSymbol, IToken otherlandmark)
|
| 860 |
|
|
{
|
| 861 |
|
|
Identifier sym = pState.Lookup(otherlandmark);
|
| 862 |
|
|
if (sym != null)
|
| 863 |
|
|
{
|
| 864 |
|
|
doError(otherlandmark, String.Format("Redifinition of {0}", otherlandmark.Text));
|
| 865 |
|
|
return;
|
| 866 |
|
|
}
|
| 867 |
|
|
|
| 868 |
|
|
LandmarkIdentifier lndmrk = new LandmarkIdentifier(otherlandmark, (QrType)aTypeSymbol, GetScope());
|
| 869 |
|
|
((QrType)aTypeSymbol).AddLandmark(lndmrk);
|
| 870 |
|
|
}
|
| 871 |
|
|
|
| 872 |
|
|
/* gets called after a simple type has been constructed. used to define an internal name*/
|
| 873 |
|
|
internal void fixupSimpleType(UlyssesType aTypeSymbol)
|
| 874 |
|
|
{
|
| 875 |
|
|
if (aTypeSymbol != null)
|
| 876 |
|
|
aTypeSymbol.SetupAnonymousName();
|
| 877 |
|
|
}
|
| 878 |
|
|
|
| 879 |
|
|
/* gets called after a simple or complex type has been constructed. used to define an internal name */
|
| 880 |
|
|
internal void fixupComplexType(UlyssesType aTypeSymbol)
|
| 881 |
|
|
{
|
| 882 |
|
|
if (aTypeSymbol != null)
|
| 883 |
|
|
aTypeSymbol.SetupAnonymousName();
|
| 884 |
|
|
}
|
| 885 |
|
|
|
| 886 |
|
|
|
| 887 |
|
|
/* create a method symbol */
|
| 888 |
|
|
internal FunctionIdentifier createMethodSymbol(IToken mname)
|
| 889 |
|
|
{
|
| 890 |
|
|
Identifier sym = pState.Lookup(mname);
|
| 891 |
|
|
if (sym != null)
|
| 892 |
|
|
{
|
| 893 |
|
|
doError(mname, String.Format("Redefinition of {0}", mname.Text));
|
| 894 |
|
|
return null;
|
| 895 |
|
|
}
|
| 896 |
|
|
|
| 897 |
|
|
FunctionType funtype = new FunctionType(FunctionTypeEnum.Method, new LinkedList<UlyssesType>(), null);
|
| 898 |
|
|
MethodIdentifier msym = new MethodIdentifier(mname, funtype, GetScope());
|
| 899 |
|
|
funtype.SetTypeIdentifier(msym);
|
| 900 |
|
|
|
| 901 |
|
|
pState.currentScope.AddIdentifier(msym, null);
|
| 902 |
|
|
|
| 903 |
|
|
pState.PushResolveStack(msym);
|
| 904 |
|
|
return msym;
|
| 905 |
|
|
}
|
| 906 |
|
|
|
| 907 |
|
|
/* remove local method symbols from resolution stack again */
|
| 908 |
|
|
private void popResolveStack(FunctionIdentifier newMethod)
|
| 909 |
|
|
{
|
| 910 |
|
|
if (newMethod != null)
|
| 911 |
|
|
pState.PopResolveStack();
|
| 912 |
|
|
}
|
| 913 |
|
|
|
| 914 |
|
|
|
| 915 |
|
|
/* add a return type to a method */
|
| 916 |
|
|
internal void setMethodReturnType(FunctionIdentifier newMethod, UlyssesType rt)
|
| 917 |
|
|
{
|
| 918 |
|
|
if (newMethod == null)
|
| 919 |
|
|
return;
|
| 920 |
|
|
|
| 921 |
|
|
if (rt == null)
|
| 922 |
|
|
doError(String.Format("Method {0} has no return type (null)", newMethod.tokenText));
|
| 923 |
|
|
|
| 924 |
|
|
/* set return type */
|
| 925 |
|
|
((FunctionType)newMethod.type).SetReturnType(rt);
|
| 926 |
|
|
|
| 927 |
|
|
|
| 928 |
|
|
/* add hidden return parameter */
|
| 929 |
|
|
if (newMethod.symbolTable.Defined("result"))
|
| 930 |
|
|
{
|
| 931 |
|
|
doError(String.Format("Method {0} defines 'result'", newMethod.tokenText));
|
| 932 |
|
|
return;
|
| 933 |
|
|
}
|
| 934 |
|
|
|
| 935 |
|
|
ParameterIdentifier returnval = new ParameterIdentifier("result", rt, GetScope());
|
| 936 |
|
|
newMethod.symbolTable.AddIdentifier(returnval);
|
| 937 |
|
|
}
|
| 938 |
|
|
|
| 939 |
|
|
/* add a parameter to a method */
|
| 940 |
|
|
internal void addMethodParameter(FunctionIdentifier newMethod, IToken paramName, UlyssesType atype)
|
| 941 |
|
|
{
|
| 942 |
|
|
if (newMethod == null)
|
| 943 |
|
|
return;
|
| 944 |
|
|
|
| 945 |
|
|
if (atype == null)
|
| 946 |
|
|
doError(paramName, "Parameter has no type (null)");
|
| 947 |
|
|
|
| 948 |
|
|
|
| 949 |
|
|
if (newMethod.symbolTable.Defined(paramName.Text) == true)
|
| 950 |
|
|
{
|
| 951 |
|
|
doError(paramName, String.Format("Parameter {0} already defined", paramName.Text));
|
| 952 |
|
|
return;
|
| 953 |
|
|
}
|
| 954 |
|
|
|
| 955 |
|
|
// add parameter to scope
|
| 956 |
|
|
ParameterIdentifier param = new ParameterIdentifier(paramName, atype, GetScope());
|
| 957 |
|
|
newMethod.AddParameter(param);
|
| 958 |
|
|
|
| 959 |
|
|
// add type of param to signature
|
| 960 |
|
|
FunctionType ftype = (FunctionType)newMethod.type;
|
| 961 |
|
|
ftype.AddParameterType(atype);
|
| 962 |
|
|
}
|
| 963 |
|
|
|
| 964 |
|
|
/* set method body of a method */
|
| 965 |
|
|
internal void addMethodBody(FunctionIdentifier newMethod, Block statements)
|
| 966 |
|
|
{
|
| 967 |
|
|
if (newMethod == null)
|
| 968 |
|
|
return;
|
| 969 |
|
|
|
| 970 |
|
|
if (statements == null)
|
| 971 |
|
|
doError(String.Format("{0} has empty body (null)",
|
| 972 |
|
|
((FunctionType)newMethod.type).functionType == FunctionTypeEnum.Method ? "Method" : "Action"));
|
| 973 |
|
|
|
| 974 |
|
|
newMethod.SetBody(statements);
|
| 975 |
|
|
}
|
| 976 |
|
|
|
| 977 |
|
|
/* create a continuous action */
|
| 978 |
|
|
internal FunctionIdentifier createNamedContinuousAction(IToken cactionname, FunctionTypeEnum actionTypeEnum)
|
| 979 |
|
|
{
|
| 980 |
|
|
return createNamedAction(cactionname, actionTypeEnum);
|
| 981 |
|
|
}
|
| 982 |
|
|
|
| 983 |
|
|
/* create a named action */
|
| 984 |
|
|
internal FunctionIdentifier createNamedAction(IToken actionname, FunctionTypeEnum actionType)
|
| 985 |
|
|
{
|
| 986 |
|
|
Identifier sym = pState.Lookup(actionname);
|
| 987 |
|
|
if (sym != null)
|
| 988 |
|
|
{
|
| 989 |
|
|
doError(actionname, "Symbol already defined.");
|
| 990 |
|
|
return null;
|
| 991 |
|
|
}
|
| 992 |
|
|
|
| 993 |
|
|
FunctionType atype = new FunctionType(actionType, new LinkedList<UlyssesType>(), null);
|
| 994 |
|
|
NamedActionIdentifier action = new NamedActionIdentifier(actionname, atype, GetScope());
|
| 995 |
|
|
atype.SetTypeIdentifier(action);
|
| 996 |
|
|
|
| 997 |
|
|
pState.currentScope.AddIdentifier(action, null);
|
| 998 |
|
|
pState.PushResolveStack(action);
|
| 999 |
|
|
return action;
|
| 1000 |
|
|
}
|
| 1001 |
|
|
|
| 1002 |
|
|
/* add body of action */
|
| 1003 |
|
|
internal void addActionBody(FunctionIdentifier newAction, GuardedCommand body)
|
| 1004 |
|
|
{
|
| 1005 |
|
|
// we need a wrapper around the guarded command..
|
| 1006 |
|
|
Block bdy = new SeqBlock(currentLine, currentPos);
|
| 1007 |
|
|
bdy.AddStatement(body);
|
| 1008 |
|
|
addMethodBody(newAction, bdy);
|
| 1009 |
|
|
}
|
| 1010 |
|
|
|
| 1011 |
|
|
/* add constraints of cont. action */
|
| 1012 |
|
|
internal void addContinuousActionBody(FunctionIdentifier newAction, GuardedCommand constraints)
|
| 1013 |
|
|
{
|
| 1014 |
|
|
Block bdy = new SeqBlock(currentLine, currentPos);
|
| 1015 |
|
|
bdy.AddStatement(constraints);
|
| 1016 |
|
|
addMethodBody(newAction, bdy);
|
| 1017 |
|
|
}
|
| 1018 |
|
|
|
| 1019 |
|
|
/* create a guarded command */
|
| 1020 |
|
|
internal GuardedCommand createGuardedCommandStatement(Expression expr, Block bdy)
|
| 1021 |
|
|
{
|
| 1022 |
|
|
if (bdy == null)
|
| 1023 |
|
|
doError("Guarded command without body (null)!");
|
| 1024 |
|
|
|
| 1025 |
|
|
if (expr == null)
|
| 1026 |
|
|
doError("Guarded command without guard (null)!");
|
| 1027 |
|
|
|
| 1028 |
|
|
GuardedCommand result = new GuardedCommand(expr, bdy, currentLine, currentPos);
|
| 1029 |
|
|
return result;
|
| 1030 |
|
|
}
|
| 1031 |
|
|
internal GuardedCommand createGuardedCommandStatement(Expression expr, Block bdy, bool isQualitative)
|
| 1032 |
|
|
{
|
| 1033 |
|
|
GuardedCommand result = createGuardedCommandStatement(expr, bdy);
|
| 1034 |
|
|
result.SetIsQualitative(isQualitative);
|
| 1035 |
|
|
return result;
|
| 1036 |
|
|
}
|
| 1037 |
|
|
|
| 1038 |
|
|
/* add statements to list */
|
| 1039 |
|
|
internal void addToStatementList(Block top, Statement stmt)
|
| 1040 |
|
|
{
|
| 1041 |
|
|
if (stmt == null)
|
| 1042 |
|
|
doError("Can not add statement: null!");
|
| 1043 |
|
|
|
| 1044 |
|
|
top.AddStatement(stmt);
|
| 1045 |
|
|
}
|
| 1046 |
|
|
|
| 1047 |
|
|
/* create a Kill statement */
|
| 1048 |
|
|
internal Statement createKillStatement(IToken aname)
|
| 1049 |
|
|
{
|
| 1050 |
|
|
Identifier sym = pState.Lookup(aname);
|
| 1051 |
|
|
if (sym == null)
|
| 1052 |
|
|
doError(aname, "Not defined");
|
| 1053 |
|
|
|
| 1054 |
|
|
KillStatement result = new KillStatement(sym, aname.Line, aname.CharPositionInLine);
|
| 1055 |
|
|
return result;
|
| 1056 |
|
|
}
|
| 1057 |
|
|
|
| 1058 |
|
|
/* create a Skip statement */
|
| 1059 |
|
|
internal Statement createSkipStatement()
|
| 1060 |
|
|
{
|
| 1061 |
|
|
return new SkipStatement(currentLine, currentPos);
|
| 1062 |
|
|
}
|
| 1063 |
|
|
|
| 1064 |
|
|
/* create an Abort statement */
|
| 1065 |
|
|
internal Statement createAbortStatement()
|
| 1066 |
|
|
{
|
| 1067 |
|
|
return new AbortStatement(currentLine, currentPos);
|
| 1068 |
|
|
}
|
| 1069 |
|
|
|
| 1070 |
|
|
/* creates a prioritized composition block */
|
| 1071 |
|
|
internal Block createPrioBlock(Block top)
|
| 1072 |
|
|
{
|
| 1073 |
|
|
return new PrioBlock(top, currentLine, currentPos);
|
| 1074 |
|
|
}
|
| 1075 |
|
|
|
| 1076 |
|
|
/* creates a nondeterministically composed block */
|
| 1077 |
|
|
internal Block createNondetBlock(Block top)
|
| 1078 |
|
|
{
|
| 1079 |
|
|
return new NondetBlock(top, currentLine, currentPos);
|
| 1080 |
|
|
}
|
| 1081 |
|
|
|
| 1082 |
|
|
/* creates a sequentially composed block */
|
| 1083 |
|
|
internal Block createSeqBlock(Block top)
|
| 1084 |
|
|
{
|
| 1085 |
|
|
return new SeqBlock(top, currentLine, currentPos);
|
| 1086 |
|
|
}
|
| 1087 |
|
|
|
| 1088 |
|
|
|
| 1089 |
|
|
/* adds a filter expression to seq block */
|
| 1090 |
|
|
private void addSeqBlockExpression(Block seqList, Expression sexpr)
|
| 1091 |
|
|
{
|
| 1092 |
|
|
seqList.SetFilter(sexpr); /*gets transformed to guarded command in resolvevisitor!*/
|
| 1093 |
|
|
}
|
| 1094 |
|
|
|
| 1095 |
|
|
|
| 1096 |
|
|
/* create a self identifier */
|
| 1097 |
|
|
internal IdentifierExpression createSelfIdentifierExpression(IToken self)
|
| 1098 |
|
|
{
|
| 1099 |
|
|
Identifier id = pState.Lookup("self");
|
| 1100 |
|
|
if (id == null)
|
| 1101 |
|
|
{
|
| 1102 |
|
|
doError(self, "Can not resolve 'self'");
|
| 1103 |
|
|
return null;
|
| 1104 |
|
|
}
|
| 1105 |
|
|
|
| 1106 |
|
|
IdentifierExpression result = new IdentifierExpression(id, self.Line, self.CharPositionInLine);
|
| 1107 |
|
|
result.setIsSelf(true);
|
| 1108 |
|
|
return result;
|
| 1109 |
|
|
}
|
| 1110 |
|
|
|
| 1111 |
|
|
/* build up identifier tree... */
|
| 1112 |
|
|
internal Expression createIdentifierAccessExpression(IdentifierExpression aself, IToken token)
|
| 1113 |
|
|
{
|
| 1114 |
|
|
Identifier someid = pState.Lookup(token.Text, GetScope());
|
| 1115 |
|
|
Identifier self = pState.Lookup("self");
|
| 1116 |
|
|
|
| 1117 |
|
|
if (someid != null)
|
| 1118 |
|
|
{
|
| 1119 |
|
|
switch (someid.kind)
|
| 1120 |
|
|
{
|
| 1121 |
|
|
/* all method and attribute accesses are prefixed by self */
|
| 1122 |
|
|
case IdentifierKind.AttributeIdentifier:
|
| 1123 |
|
|
case IdentifierKind.MethodIdentifier:
|
| 1124 |
|
|
if (self == null)
|
| 1125 |
|
|
doError(token, "Self access of method: Can not find 'self' symbol! (internal error)");
|
| 1126 |
|
|
aself = new IdentifierExpression(self, token.Line, token.CharPositionInLine);
|
| 1127 |
|
|
aself.setIsSelf(true);
|
| 1128 |
|
|
break;
|
| 1129 |
|
|
default:
|
| 1130 |
|
|
break;
|
| 1131 |
|
|
}
|
| 1132 |
|
|
}
|
| 1133 |
|
|
|
| 1134 |
|
|
IdentifierExpression ident = new UnresolvedIdentifierExpression(token, GetScope());
|
| 1135 |
|
|
if (aself != null)
|
| 1136 |
|
|
return new AccessExpression(aself, ident, token.Line, token.CharPositionInLine);
|
| 1137 |
|
|
else
|
| 1138 |
|
|
return ident;
|
| 1139 |
|
|
}
|
| 1140 |
|
|
|
| 1141 |
|
|
internal AccessExpression addIdentifierAccessExpression(Expression parent, IToken token)
|
| 1142 |
|
|
{
|
| 1143 |
|
|
IdentifierExpression ident = new UnresolvedIdentifierExpression(token, GetScope());
|
| 1144 |
|
|
return new AccessExpression(parent, ident, token.Line, token.CharPositionInLine);
|
| 1145 |
|
|
}
|
| 1146 |
|
|
|
| 1147 |
|
|
/* we have a primed id; prime the complete subtree.. */
|
| 1148 |
|
|
internal void setIdentifierExpressionPrimed(ref Expression result, IToken token)
|
| 1149 |
|
|
{
|
| 1150 |
|
|
Expression priming = new UnaryOperator(ExpressionKind.Primed, result, token.Line, token.CharPositionInLine);
|
| 1151 |
|
|
result = priming;
|
| 1152 |
|
|
}
|
| 1153 |
|
|
|
| 1154 |
|
|
/* create a fold operation */
|
| 1155 |
|
|
internal Expression createFoldExpression(Expression result, IToken afold, Expression initval, Expression anexpr)
|
| 1156 |
|
|
{
|
| 1157 |
|
|
ExpressionKind akind = ExpressionKind.foldLR;
|
| 1158 |
|
|
if (afold.Type == ooaLexer.T_FOLDLR)
|
| 1159 |
|
|
akind = ExpressionKind.foldLR;
|
| 1160 |
|
|
else if (afold.Type == ooaLexer.T_FOLDRL)
|
| 1161 |
|
|
akind = ExpressionKind.foldRL;
|
| 1162 |
|
|
else
|
| 1163 |
|
|
System.Diagnostics.Debug.Assert(false);
|
| 1164 |
|
|
|
| 1165 |
|
|
TernaryOperator op = new TernaryOperator(akind, result, initval, anexpr, currentLine, currentPos, GetScope());
|
| 1166 |
|
|
return op;
|
| 1167 |
|
|
}
|
| 1168 |
|
|
|
| 1169 |
|
|
|
| 1170 |
|
|
/* create a method access */
|
| 1171 |
|
|
internal CallExpression createMethodAccessExpression(Expression subexpr, List<Expression> m_params, IToken token)
|
| 1172 |
|
|
{
|
| 1173 |
|
|
System.Diagnostics.Debug.Assert(subexpr != null);
|
| 1174 |
|
|
|
| 1175 |
|
|
return new CallExpression(subexpr, m_params, token.Line, token.CharPositionInLine, GetScope());
|
| 1176 |
|
|
}
|
| 1177 |
|
|
|
| 1178 |
|
|
/* create a tuple or map access */
|
| 1179 |
|
|
internal TupleMapAccessExpression createTupleMapAccessExpression(Expression subexpr, Expression ac, IToken token)
|
| 1180 |
|
|
{
|
| 1181 |
|
|
System.Diagnostics.Debug.Assert(subexpr != null);
|
| 1182 |
|
|
|
| 1183 |
|
|
return new TupleMapAccessExpression(subexpr, ac, token.Line, token.CharPositionInLine);
|
| 1184 |
|
|
}
|
| 1185 |
|
|
|
| 1186 |
|
|
/* create a method call statement; has to be resolved in a second run */
|
| 1187 |
|
|
internal Statement createCallStatement(Expression aqname)
|
| 1188 |
|
|
{
|
| 1189 |
|
|
return new Call(aqname, currentLine, currentPos);
|
| 1190 |
|
|
}
|
| 1191 |
|
|
|
| 1192 |
|
|
/* create a single assignment statement */
|
| 1193 |
|
|
internal Statement createSingleAssignmentStatement(Expression aqname, Expression aexp)
|
| 1194 |
|
|
{
|
| 1195 |
|
|
Assignment result = new Assignment(aqname, aexp, null, currentLine, currentPos);
|
| 1196 |
|
|
return result;
|
| 1197 |
|
|
}
|
| 1198 |
|
|
|
| 1199 |
|
|
/* create a multi-assignment statement; has to be resolved in a second run */
|
| 1200 |
|
|
internal Statement createMultipleAssignmentStatementLHS(Expression aqname)
|
| 1201 |
|
|
{
|
| 1202 |
|
|
return new Assignment(aqname, null, null, currentLine, currentPos);
|
| 1203 |
|
|
}
|
| 1204 |
|
|
|
| 1205 |
|
|
/* adds an expression to the multi-assign */
|
| 1206 |
|
|
internal void addMutlipleAssignmentStatementRHS(Statement result, Expression mexp)
|
| 1207 |
|
|
{
|
| 1208 |
|
|
((Assignment)result).AddValue(mexp);
|
| 1209 |
|
|
}
|
| 1210 |
|
|
|
| 1211 |
|
|
/* adds a LHS-var to the multi assign */
|
| 1212 |
|
|
internal void addMultipleAssignmentStatementLHS(Statement result, Expression malhs)
|
| 1213 |
|
|
{
|
| 1214 |
|
|
((Assignment)result).AddPlace(malhs);
|
| 1215 |
|
|
}
|
| 1216 |
|
|
|
| 1217 |
|
|
/* pop an assignment statement from the resolve stack */
|
| 1218 |
|
|
internal void popAssignmentOffResolveStack(Statement result)
|
| 1219 |
|
|
{
|
| 1220 |
|
|
System.Diagnostics.Debug.Assert(ReferenceEquals(result, pState.currentScope));
|
| 1221 |
|
|
pState.PopResolveStack();
|
| 1222 |
|
|
}
|
| 1223 |
|
|
|
| 1224 |
|
|
/* pushes the assignment statement onto resolve stack. */
|
| 1225 |
|
|
internal void pushAssignmentOnResolveStack(Statement result)
|
| 1226 |
|
|
{
|
| 1227 |
|
|
System.Diagnostics.Debug.Assert(result is Assignment);
|
| 1228 |
|
|
pState.PushResolveStack((Assignment)result);
|
| 1229 |
|
|
}
|
| 1230 |
|
|
|
| 1231 |
|
|
|
| 1232 |
|
|
/* adds a nondet-assignment constraint */
|
| 1233 |
|
|
internal void addConstraintToAssignment(Statement result, Expression ndexp)
|
| 1234 |
|
|
{
|
| 1235 |
|
|
((Assignment)result).SetNondetExpression(ndexp);
|
| 1236 |
|
|
}
|
| 1237 |
|
|
|
| 1238 |
|
|
/* add a named action call to do-od block */
|
| 1239 |
|
|
internal void addNamedActionCallToBlockList(Block top, IToken aname, List<Expression> m_params, IToken maptoken, Expression amapexpression)
|
| 1240 |
|
|
{
|
| 1241 |
|
|
Identifier id = pState.Lookup(aname);
|
| 1242 |
|
|
if (id == null)
|
| 1243 |
|
|
{
|
| 1244 |
|
|
doError(aname, "Could not find named action");
|
| 1245 |
|
|
return;
|
| 1246 |
|
|
}
|
| 1247 |
|
|
Expression callexpr;
|
| 1248 |
|
|
if (id.kind == IdentifierKind.MethodIdentifier)
|
| 1249 |
|
|
{
|
| 1250 |
|
|
doError(aname, "Method access in do-od block not allowed.");
|
| 1251 |
|
|
return;
|
| 1252 |
|
|
// access via self
|
| 1253 |
|
|
/*
|
| 1254 |
|
|
Identifier self = pState.Lookup("self");
|
| 1255 |
|
|
if (self == null)
|
| 1256 |
|
|
doError(aname, "Self access of method: Can not find 'self' symbol! (internal error)");
|
| 1257 |
|
|
IdentifierExpression aself = new IdentifierExpression(self, aname.Line, aname.CharPositionInLine);
|
| 1258 |
|
|
aself.setIsSelf(true);
|
| 1259 |
|
|
callexpr = new CallExpression(
|
| 1260 |
|
|
new AccessExpression(aself,
|
| 1261 |
|
|
new IdentifierExpression(id, aname.Line, aname.CharPositionInLine), aname.Line, aname.CharPositionInLine),
|
| 1262 |
|
|
m_params, aname.Line, aname.CharPositionInLine, GetScope());
|
| 1263 |
|
|
*/
|
| 1264 |
|
|
}
|
| 1265 |
|
|
else
|
| 1266 |
|
|
callexpr = new CallExpression(
|
| 1267 |
|
|
new IdentifierExpression(id, aname.Line, aname.CharPositionInLine),
|
| 1268 |
|
|
m_params, aname.Line, aname.CharPositionInLine, GetScope());
|
| 1269 |
|
|
|
| 1270 |
|
|
if (amapexpression != null)
|
| 1271 |
|
|
{
|
| 1272 |
|
|
ExpressionKind akind = ExpressionKind.foldLR;
|
| 1273 |
|
|
if (maptoken.Type == ooaLexer.T_FOLDLR)
|
| 1274 |
|
|
akind = ExpressionKind.foldLR;
|
| 1275 |
|
|
else if (maptoken.Type == ooaLexer.T_FOLDRL)
|
| 1276 |
|
|
akind = ExpressionKind.foldRL;
|
| 1277 |
|
|
else
|
| 1278 |
|
|
System.Diagnostics.Debug.Assert(false);
|
| 1279 |
|
|
|
| 1280 |
|
|
callexpr = new TernaryOperator(akind, callexpr, null, amapexpression,
|
| 1281 |
|
|
currentLine, currentPos, GetScope());
|
| 1282 |
|
|
}
|
| 1283 |
|
|
Call statement = new Call(callexpr, currentLine, currentPos);
|
| 1284 |
|
|
top.AddStatement(statement);
|
| 1285 |
|
|
}
|
| 1286 |
|
|
|
| 1287 |
|
|
/*adds skip statement instead of call to do-od block*/
|
| 1288 |
|
|
internal void addSkipStatementToBlockList(Block top)
|
| 1289 |
|
|
{
|
| 1290 |
|
|
top.AddStatement(new SkipStatement(currentLine, currentPos));
|
| 1291 |
|
|
}
|
| 1292 |
|
|
|
| 1293 |
|
|
|
| 1294 |
|
|
/* add anonymous action to do-od block */
|
| 1295 |
|
|
internal void addToBlockList(Block top, Statement gcmd)
|
| 1296 |
|
|
{
|
| 1297 |
|
|
if (gcmd != null)
|
| 1298 |
|
|
top.AddStatement(gcmd);
|
| 1299 |
|
|
}
|
| 1300 |
|
|
|
| 1301 |
|
|
/* add the do-od block to the action system type */
|
| 1302 |
|
|
internal void addActionBlock(OoActionSystemType aTypeSymbol, Block bl)
|
| 1303 |
|
|
{
|
| 1304 |
|
|
aTypeSymbol.SetDoOdBlock(bl);
|
| 1305 |
|
|
}
|
| 1306 |
|
|
|
| 1307 |
|
|
/* push block */
|
| 1308 |
|
|
internal void pushBlockToResolveStack(Block toPush)
|
| 1309 |
|
|
{
|
| 1310 |
|
|
pState.PushResolveStack(toPush);
|
| 1311 |
|
|
}
|
| 1312 |
|
|
|
| 1313 |
|
|
/* pop block */
|
| 1314 |
|
|
internal void popBlockFromResolveStack(Block toPop)
|
| 1315 |
|
|
{
|
| 1316 |
|
|
if (toPop != null)
|
| 1317 |
|
|
{
|
| 1318 |
|
|
object anobject = pState.currentScope as Block;
|
| 1319 |
|
|
System.Diagnostics.Debug.Assert(Object.ReferenceEquals(anobject, toPop));
|
| 1320 |
|
|
|
| 1321 |
|
|
pState.PopResolveStack();
|
| 1322 |
|
|
}
|
| 1323 |
|
|
}
|
| 1324 |
|
|
|
| 1325 |
|
|
/* add block var */
|
| 1326 |
|
|
internal void addBlockVariable(Block seqList, IToken varname, UlyssesType aType)
|
| 1327 |
|
|
{
|
| 1328 |
|
|
if (aType == null)
|
| 1329 |
|
|
{
|
| 1330 |
|
|
doError(varname, String.Format("{0} lacks type!", varname.Text));
|
| 1331 |
|
|
}
|
| 1332 |
|
|
try
|
| 1333 |
|
|
{
|
| 1334 |
|
|
seqList.AddIdentifier(new LocalVariableIdentifier(varname, aType, GetScope()));
|
| 1335 |
|
|
}
|
| 1336 |
|
|
catch (ArgumentException)
|
| 1337 |
|
|
{
|
| 1338 |
|
|
doError(varname, String.Format("{0} redefined!", varname.Text));
|
| 1339 |
|
|
}
|
| 1340 |
|
|
}
|
| 1341 |
|
|
|
| 1342 |
|
|
|
| 1343 |
|
|
internal QualitativeConstraintStatement createTwoVarConstraintStatement(IToken id1, IToken id2, QualitativeConstraintOperation op)
|
| 1344 |
|
|
{
|
| 1345 |
|
|
Identifier var1 = pState.Lookup(id1);
|
| 1346 |
|
|
if (var1 == null)
|
| 1347 |
|
|
{
|
| 1348 |
|
|
var1 = new ExpressionVariableIdentifier(id1.Text, id1.Line, id1.CharPositionInLine);
|
| 1349 |
|
|
var1.SetType(new AnyType((ExpressionVariableIdentifier)var1));
|
| 1350 |
|
|
|
| 1351 |
|
|
GetScope().AddIdentifier(var1, null);
|
| 1352 |
|
|
|
| 1353 |
|
|
doWarning(id1, String.Format("Free variable in qualitative constraint: '{0}'.", id1.Text));
|
| 1354 |
|
|
}
|
| 1355 |
|
|
|
| 1356 |
|
|
Identifier var2 = pState.Lookup(id2);
|
| 1357 |
|
|
if (var2 == null)
|
| 1358 |
|
|
{
|
| 1359 |
|
|
var2 = new ExpressionVariableIdentifier(id2.Text, id2.Line, id2.CharPositionInLine);
|
| 1360 |
|
|
var2.SetType(new AnyType((ExpressionVariableIdentifier)var2));
|
| 1361 |
|
|
|
| 1362 |
|
|
GetScope().AddIdentifier(var2, null);
|
| 1363 |
|
|
|
| 1364 |
|
|
doWarning(id1, String.Format("Free variable in qualitative constraint: '{0}'.", id2.Text));
|
| 1365 |
|
|
}
|
| 1366 |
|
|
|
| 1367 |
|
|
QualitativeConstraintStatement result = new QualitativeConstraintStatement(var1, var2, op, id1.Line, id1.CharPositionInLine);
|
| 1368 |
|
|
return result;
|
| 1369 |
|
|
}
|
| 1370 |
|
|
|
| 1371 |
|
|
|
| 1372 |
|
|
internal QualitativeConstraintStatement createQualEqualConstraintStatement(IToken id1, IToken id2)
|
| 1373 |
|
|
{
|
| 1374 |
|
|
return createTwoVarConstraintStatement(id1, id2, QualitativeConstraintOperation.Equal);
|
| 1375 |
|
|
}
|
| 1376 |
|
|
|
| 1377 |
|
|
internal QualitativeConstraintStatement createQualArithConstraintStatement(IToken id1, IToken id2, IToken id3, IToken op)
|
| 1378 |
|
|
{
|
| 1379 |
|
|
Identifier var1 = pState.Lookup(id1);
|
| 1380 |
|
|
if (var1 == null)
|
| 1381 |
|
|
{
|
| 1382 |
|
|
var1 = new ExpressionVariableIdentifier(id1.Text, id1.Line, id1.CharPositionInLine);
|
| 1383 |
|
|
var1.SetType(new AnyType((ExpressionVariableIdentifier)var1));
|
| 1384 |
|
|
|
| 1385 |
|
|
GetScope().AddIdentifier(var1, null);
|
| 1386 |
|
|
|
| 1387 |
|
|
doWarning(id1, String.Format("Free variable in qualitative constraint: '{0}'.", id1.Text));
|
| 1388 |
|
|
}
|
| 1389 |
|
|
|
| 1390 |
|
|
Identifier var2 = pState.Lookup(id2);
|
| 1391 |
|
|
if (var2 == null)
|
| 1392 |
|
|
{
|
| 1393 |
|
|
var2 = new ExpressionVariableIdentifier(id2.Text, id2.Line, id2.CharPositionInLine);
|
| 1394 |
|
|
var2.SetType(new AnyType((ExpressionVariableIdentifier)var2));
|
| 1395 |
|
|
|
| 1396 |
|
|
GetScope().AddIdentifier(var2, null);
|
| 1397 |
|
|
|
| 1398 |
|
|
doWarning(id1, String.Format("Free variable in qualitative constraint: '{0}'.", id2.Text));
|
| 1399 |
|
|
}
|
| 1400 |
|
|
|
| 1401 |
|
|
Identifier var3 = pState.Lookup(id3);
|
| 1402 |
|
|
if (var3 == null)
|
| 1403 |
|
|
{
|
| 1404 |
|
|
var3 = new ExpressionVariableIdentifier(id3.Text, id3.Line, id3.CharPositionInLine);
|
| 1405 |
|
|
var3.SetType(new AnyType((ExpressionVariableIdentifier)var3));
|
| 1406 |
|
|
|
| 1407 |
|
|
GetScope().AddIdentifier(var3, null);
|
| 1408 |
|
|
|
| 1409 |
|
|
doWarning(id1, String.Format("Free variable in qualitative constraint: '{0}'.", id3.Text));
|
| 1410 |
|
|
}
|
| 1411 |
|
|
QualitativeConstraintOperation operation;
|
| 1412 |
|
|
switch (op.Type)
|
| 1413 |
|
|
{
|
| 1414 |
|
|
case ooaParser.T_SUM:
|
| 1415 |
|
|
operation = QualitativeConstraintOperation.Sum;
|
| 1416 |
|
|
break;
|
| 1417 |
|
|
case ooaParser.T_DIFF:
|
| 1418 |
|
|
operation = QualitativeConstraintOperation.Diff;
|
| 1419 |
|
|
break;
|
| 1420 |
|
|
case ooaParser.T_PROD:
|
| 1421 |
|
|
operation = QualitativeConstraintOperation.Prod;
|
| 1422 |
|
|
break;
|
| 1423 |
|
|
default:
|
| 1424 |
|
|
doError(op, String.Format("'{0}' unknown operation", op.Text));
|
| 1425 |
|
|
return null;
|
| 1426 |
|
|
}
|
| 1427 |
|
|
|
| 1428 |
|
|
QualitativeConstraintStatement result = new QualitativeConstraintStatement(var1, var2, var3, operation, id1.Line, id1.CharPositionInLine);
|
| 1429 |
|
|
return result;
|
| 1430 |
|
|
}
|
| 1431 |
|
|
|
| 1432 |
|
|
internal QualitativeConstraintStatement createQualDerivConstraintStatement(IToken id1, IToken derivid)
|
| 1433 |
|
|
{
|
| 1434 |
|
|
return createTwoVarConstraintStatement(id1, derivid, QualitativeConstraintOperation.Deriv);
|
| 1435 |
|
|
}
|
| 1436 |
|
|
|
| 1437 |
|
|
|
| 1438 |
|
|
|
| 1439 |
|
|
/* creates a general binary operator without any children */
|
| 1440 |
|
|
internal BinaryOperator createBinaryOperator(ExpressionKind akind)
|
| 1441 |
|
|
{
|
| 1442 |
|
|
IToken token = input.LT(-1);
|
| 1443 |
|
|
return new BinaryOperator(akind, null, null, token.Line, token.CharPositionInLine);
|
| 1444 |
|
|
}
|
| 1445 |
|
|
|
| 1446 |
|
|
|
| 1447 |
|
|
/* creates a general unary operator without child */
|
| 1448 |
|
|
internal UnaryOperator createUnaryOperator(ExpressionKind unaryOperatorType)
|
| 1449 |
|
|
{
|
| 1450 |
|
|
IToken token = input.LT(-1);
|
| 1451 |
|
|
return new UnaryOperator(unaryOperatorType, null, token.Line, token.CharPositionInLine);
|
| 1452 |
|
|
}
|
| 1453 |
|
|
|
| 1454 |
|
|
/* create a conditional expression */
|
| 1455 |
|
|
internal Expression createConditionalExpression(Expression ce, Expression te, Expression ee, IToken ef)
|
| 1456 |
|
|
{
|
| 1457 |
|
|
return new TernaryOperator(ExpressionKind.conditional, ce, te, ee, ef.Line, ef.CharPositionInLine, GetScope());
|
| 1458 |
|
|
}
|
| 1459 |
|
|
|
| 1460 |
|
|
/* create a quantifier expression */
|
| 1461 |
|
|
internal Quantifier createQuantifierExpression(IToken t)
|
| 1462 |
|
|
{
|
| 1463 |
|
|
Quantifier result = null;
|
| 1464 |
|
|
if (t.Type == T_FORALL)
|
| 1465 |
|
|
result = new ForallQuantifier(null, t.Line, t.CharPositionInLine);
|
| 1466 |
|
|
else
|
| 1467 |
|
|
result = new ExistsQuantifier(null, t.Line, t.CharPositionInLine);
|
| 1468 |
|
|
|
| 1469 |
|
|
|
| 1470 |
|
|
pState.PushResolveStack(result);
|
| 1471 |
|
|
return result;
|
| 1472 |
|
|
}
|
| 1473 |
|
|
|
| 1474 |
|
|
/* add a bound variable to the quantifier */
|
| 1475 |
|
|
internal void addBoundVarToQuantifierExpression(Quantifier result, IToken id, UlyssesType id_type)
|
| 1476 |
|
|
{
|
| 1477 |
|
|
/*note: this might be a bit harsh, but for now it's easier to demand uniquely named vars,
|
| 1478 |
|
|
without any hiding. Could be fixed in searching only the first resolve level for
|
| 1479 |
|
|
dupes..
|
| 1480 |
|
|
*/
|
| 1481 |
|
|
Identifier sym = pState.Lookup(id);
|
| 1482 |
|
|
if (sym != null)
|
| 1483 |
|
|
doError(id, String.Format("{0} already defined!", id.Text));
|
| 1484 |
|
|
else
|
| 1485 |
|
|
{
|
| 1486 |
|
|
if (id_type == null)
|
| 1487 |
|
|
doError(id, String.Format("{0} lacks type (null).", id.Text));
|
| 1488 |
|
|
Identifier newvar = new ExpressionVariableIdentifier(id, id_type, GetScope());
|
| 1489 |
|
|
result.AddIdentifier(newvar, null);
|
| 1490 |
|
|
}
|
| 1491 |
|
|
}
|
| 1492 |
|
|
|
| 1493 |
|
|
/* add the expression to the quantifier */
|
| 1494 |
|
|
internal void addExpressionToQuantifier(Quantifier result, Expression e)
|
| 1495 |
|
|
{
|
| 1496 |
|
|
result.SetChild(e);
|
| 1497 |
|
|
}
|
| 1498 |
|
|
|
| 1499 |
|
|
/* remove local variables from resolve stack */
|
| 1500 |
|
|
internal void removeBoundVarsFromResolveStack(Quantifier result)
|
| 1501 |
|
|
{
|
| 1502 |
|
|
if (result != null)
|
| 1503 |
|
|
pState.PopResolveStack();
|
| 1504 |
|
|
}
|
| 1505 |
|
|
|
| 1506 |
|
|
|
| 1507 |
|
|
/* create a bool constant */
|
| 1508 |
|
|
internal LeafExpression createBoolConstant(bool p)
|
| 1509 |
|
|
{
|
| 1510 |
|
|
IToken token = input.LT(-1);
|
| 1511 |
|
|
return new ValueExpression<bool>(p, token.Line, token.CharPositionInLine);
|
| 1512 |
|
|
}
|
| 1513 |
|
|
|
| 1514 |
|
|
/* create a nil */
|
| 1515 |
|
|
internal LeafExpression createNullPointerConstant()
|
| 1516 |
|
|
{
|
| 1517 |
|
|
IToken token = input.LT(-1);
|
| 1518 |
|
|
return new ValueExpression<object>(null, token.Line, token.CharPositionInLine);
|
| 1519 |
|
|
}
|
| 1520 |
|
|
|
| 1521 |
|
|
/* create a 'self' identifier */
|
| 1522 |
|
|
internal LeafExpression createSelfPointer()
|
| 1523 |
|
|
{
|
| 1524 |
|
|
IToken token = input.LT(-1);
|
| 1525 |
|
|
Identifier self = pState.Lookup("self");
|
| 1526 |
|
|
if (self == null)
|
| 1527 |
|
|
{
|
| 1528 |
|
|
doError(token, "Could not resolve 'self'");
|
| 1529 |
|
|
return new UnresolvedIdentifierExpression(token, GetScope());
|
| 1530 |
|
|
}
|
| 1531 |
|
|
|
| 1532 |
|
|
IdentifierExpression result = new IdentifierExpression(self, token.Line, token.CharPositionInLine);
|
| 1533 |
|
|
result.setIsSelf(true);
|
| 1534 |
|
|
|
| 1535 |
|
|
return result;
|
| 1536 |
|
|
}
|
| 1537 |
|
|
|
| 1538 |
|
|
/* create a float const */
|
| 1539 |
|
|
internal LeafExpression createFloatConstant(IToken t_fl)
|
| 1540 |
|
|
{
|
| 1541 |
|
|
return new ValueExpression<double>(double.Parse(t_fl.Text, System.Globalization.CultureInfo.InvariantCulture), t_fl.Line, t_fl.CharPositionInLine);
|
| 1542 |
|
|
}
|
| 1543 |
|
|
|
| 1544 |
|
|
/* create int const */
|
| 1545 |
|
|
internal LeafExpression createIntConstant(IToken t_in)
|
| 1546 |
|
|
{
|
| 1547 |
|
|
return new ValueExpression<int>(int.Parse(t_in.Text), t_in.Line, t_in.CharPositionInLine);
|
| 1548 |
|
|
}
|
| 1549 |
|
|
|
| 1550 |
|
|
/* set children of binary operator*/
|
| 1551 |
|
|
internal Expression addBinaryExpression(BinaryOperator binexpr, Expression expr, Expression e2)
|
| 1552 |
|
|
{
|
| 1553 |
|
|
binexpr.SetLeftChild(expr);
|
| 1554 |
|
|
binexpr.SetRightChild(e2);
|
| 1555 |
|
|
return binexpr;
|
| 1556 |
|
|
}
|
| 1557 |
|
|
|
| 1558 |
|
|
/* set child of unary expr */
|
| 1559 |
|
|
internal Expression addUnaryExpression(UnaryOperator unexpr, Expression e)
|
| 1560 |
|
|
{
|
| 1561 |
|
|
if (unexpr != null)
|
| 1562 |
|
|
{
|
| 1563 |
|
|
unexpr.SetChild(e);
|
| 1564 |
|
|
return unexpr;
|
| 1565 |
|
|
}
|
| 1566 |
|
|
else
|
| 1567 |
|
|
return e;
|
| 1568 |
|
|
}
|
| 1569 |
|
|
|
| 1570 |
|
|
|
| 1571 |
|
|
|
| 1572 |
|
|
/* create a list */
|
| 1573 |
|
|
internal ListConstructor createInitializedList()
|
| 1574 |
|
|
{
|
| 1575 |
|
|
IToken nexttoken = input.LT(1);
|
| 1576 |
|
|
return new ListConstructor(nexttoken.Line, nexttoken.CharPositionInLine);
|
| 1577 |
|
|
}
|
| 1578 |
|
|
|
| 1579 |
|
|
/* add an element to the list */
|
| 1580 |
|
|
internal void addListElement(ListConstructor result, Expression e)
|
| 1581 |
|
|
{
|
| 1582 |
|
|
result.AddElement(e);
|
| 1583 |
|
|
}
|
| 1584 |
|
|
|
| 1585 |
|
|
/* push list comprehension vars on resolve stack */
|
| 1586 |
|
|
internal void pushListVarsOnResolveStack(ListConstructor result)
|
| 1587 |
|
|
{
|
| 1588 |
|
|
pState.PushResolveStack(result);
|
| 1589 |
|
|
}
|
| 1590 |
|
|
|
| 1591 |
|
|
/* pop list comprehension vars from resolve stack */
|
| 1592 |
|
|
internal void popListVarsFromResolveStack(ListConstructor result)
|
| 1593 |
|
|
{
|
| 1594 |
|
|
if (result != null)
|
| 1595 |
|
|
pState.PopResolveStack();
|
| 1596 |
|
|
}
|
| 1597 |
|
|
|
| 1598 |
|
|
/* set list comprehension expression */
|
| 1599 |
|
|
internal void addListComprExpr(ListConstructor result, Expression e)
|
| 1600 |
|
|
{
|
| 1601 |
|
|
result.SetComprehension(e);
|
| 1602 |
|
|
}
|
| 1603 |
|
|
|
| 1604 |
|
|
/* add list comprehension variable */
|
| 1605 |
|
|
internal void addListComprVar(ListConstructor result, IToken id, UlyssesType t1)
|
| 1606 |
|
|
{
|
| 1607 |
|
|
Identifier sym = pState.Lookup(id);
|
| 1608 |
|
|
if (sym != null)
|
| 1609 |
|
|
{
|
| 1610 |
|
|
/* see notes in quantifier*/
|
| 1611 |
|
|
doError(id, String.Format("{0} already defined.", id.Text));
|
| 1612 |
|
|
}
|
| 1613 |
|
|
else
|
| 1614 |
|
|
{
|
| 1615 |
|
|
ExpressionVariableIdentifier newvar = new ExpressionVariableIdentifier(id, t1, GetScope());
|
| 1616 |
|
|
result.AddIdentifier(newvar, null);
|
| 1617 |
|
|
}
|
| 1618 |
|
|
}
|
| 1619 |
|
|
|
| 1620 |
|
|
/* converts a string into a list of char */
|
| 1621 |
|
|
internal ListConstructor createStringConstant(IToken t_l)
|
| 1622 |
|
|
{
|
| 1623 |
|
|
ListConstructor result = new ListConstructor(t_l.Line, t_l.CharPositionInLine);
|
| 1624 |
|
|
foreach (char c in t_l.Text.Substring(1, t_l.Text.Length - 2))
|
| 1625 |
|
|
result.AddElement(new ValueExpression<char>(c, t_l.Line, t_l.CharPositionInLine));
|
| 1626 |
|
|
return result;
|
| 1627 |
|
|
}
|
| 1628 |
|
|
|
| 1629 |
|
|
/* creates an empty map */
|
| 1630 |
|
|
internal Expression createEmptyMap()
|
| 1631 |
|
|
{
|
| 1632 |
|
|
IToken token = input.LT(-1);
|
| 1633 |
|
|
return new MapConstructor(token.Line, token.CharPositionInLine);
|
| 1634 |
|
|
}
|
| 1635 |
|
|
|
| 1636 |
|
|
/* create a map and populate it with two items.. */
|
| 1637 |
|
|
internal Expression createMap(Expression e1, Expression e2, IToken am)
|
| 1638 |
|
|
{
|
| 1639 |
|
|
MapConstructor result = new MapConstructor(am.Line, am.CharPositionInLine);
|
| 1640 |
|
|
result.AddItem(e1, e2);
|
| 1641 |
|
|
return result;
|
| 1642 |
|
|
}
|
| 1643 |
|
|
|
| 1644 |
|
|
/* add a key/value pair to a map */
|
| 1645 |
|
|
internal void addToMap(Expression map, Expression e3, Expression e4)
|
| 1646 |
|
|
{
|
| 1647 |
|
|
((MapConstructor)map).AddItem(e3, e4);
|
| 1648 |
|
|
}
|
| 1649 |
|
|
|
| 1650 |
|
|
/* create a set */
|
| 1651 |
|
|
internal SetConstructor createSet()
|
| 1652 |
|
|
{
|
| 1653 |
|
|
IToken nexttoken = input.LT(1);
|
| 1654 |
|
|
SetConstructor result = new SetConstructor(nexttoken.Line, nexttoken.CharPositionInLine);
|
| 1655 |
|
|
return result;
|
| 1656 |
|
|
}
|
| 1657 |
|
|
|
| 1658 |
|
|
/* add item to set */
|
| 1659 |
|
|
internal void addToSet(Expression result, Expression e2)
|
| 1660 |
|
|
{
|
| 1661 |
|
|
((SetConstructor)result).AddItem(e2);
|
| 1662 |
|
|
}
|
| 1663 |
|
|
|
| 1664 |
|
|
/* remove set comprehension variables from resolution stack */
|
| 1665 |
|
|
internal void popSetVarsFromResolveStack(SetConstructor _set)
|
| 1666 |
|
|
{
|
| 1667 |
|
|
if (_set != null)
|
| 1668 |
|
|
pState.PopResolveStack();
|
| 1669 |
|
|
}
|
| 1670 |
|
|
|
| 1671 |
|
|
/* add set comprehension variables to resolution stack */
|
| 1672 |
|
|
internal void pushSetVarsOnResolveStack(SetConstructor _set)
|
| 1673 |
|
|
{
|
| 1674 |
|
|
pState.PushResolveStack(_set);
|
| 1675 |
|
|
}
|
| 1676 |
|
|
|
| 1677 |
|
|
/* set comprehension expression fro set */
|
| 1678 |
|
|
internal void addSetComprExpr(SetConstructor _set, Expression epx)
|
| 1679 |
|
|
{
|
| 1680 |
|
|
_set.SetComprehension(epx);
|
| 1681 |
|
|
}
|
| 1682 |
|
|
|
| 1683 |
|
|
/* add local set compr. variable */
|
| 1684 |
|
|
internal void addSetComprVar(SetConstructor _set, IToken id1, UlyssesType t1)
|
| 1685 |
|
|
{
|
| 1686 |
|
|
Identifier sym = pState.Lookup(id1);
|
| 1687 |
|
|
if (sym != null)
|
| 1688 |
|
|
doError(id1, String.Format("{0} already defined!", id1.Text));
|
| 1689 |
|
|
else
|
| 1690 |
|
|
{
|
| 1691 |
|
|
ExpressionVariableIdentifier newvar = new ExpressionVariableIdentifier(id1, t1, GetScope());
|
| 1692 |
|
|
_set.AddIdentifier(newvar, null);
|
| 1693 |
|
|
}
|
| 1694 |
|
|
}
|
| 1695 |
|
|
|
| 1696 |
|
|
/* check whether identifier p is a tuple type */
|
| 1697 |
|
|
internal bool isTuple(string p)
|
| 1698 |
|
|
{
|
| 1699 |
|
|
Identifier sym = pState.Lookup(p);
|
| 1700 |
|
|
return (sym != null)
|
| 1701 |
|
|
&& (sym.kind == IdentifierKind.TypeIdentifier)
|
| 1702 |
|
|
&& (sym.type.kind == TypeKind.TupleType);
|
| 1703 |
|
|
}
|
| 1704 |
|
|
|
| 1705 |
|
|
/* create an initialized tuple */
|
| 1706 |
|
|
internal Expression createInitializedTuple(IToken aName, System.Collections.Generic.List<Expression> m_params)
|
| 1707 |
|
|
{
|
| 1708 |
|
|
Identifier sym = pState.Lookup(aName);
|
| 1709 |
|
|
if ((sym == null) || !(sym.type is TupleType))
|
| 1710 |
|
|
{
|
| 1711 |
|
|
doError(aName, "Not a tuple type!");
|
| 1712 |
|
|
return null;
|
| 1713 |
|
|
}
|
| 1714 |
|
|
|
| 1715 |
|
|
TupleType atuple = (TupleType)sym.type;
|
| 1716 |
|
|
if (atuple.innerTypes.Count != m_params.Count)
|
| 1717 |
|
|
{
|
| 1718 |
|
|
doError(aName, "Number of parameters does not match type definition!");
|
| 1719 |
|
|
return null;
|
| 1720 |
|
|
}
|
| 1721 |
|
|
|
| 1722 |
|
|
return new TupleConstructor(sym, m_params, aName.Line, aName.CharPositionInLine);
|
| 1723 |
|
|
}
|
| 1724 |
|
|
|
| 1725 |
|
|
|
| 1726 |
|
|
/* create an reference expression: (<expression>).xyz */
|
| 1727 |
|
|
internal Expression createExpressionReference(Expression e, Expression aref, IToken atoken)
|
| 1728 |
|
|
{
|
| 1729 |
|
|
AccessExpression result = new AccessExpression(e, aref, atoken.Line, atoken.CharPositionInLine);
|
| 1730 |
|
|
return result;
|
| 1731 |
|
|
}
|
| 1732 |
|
|
|
| 1733 |
|
|
|
| 1734 |
|
|
/* gets called when we are parsing attributes */
|
| 1735 |
|
|
internal void BeginParsingAttributes()
|
| 1736 |
|
|
{
|
| 1737 |
|
|
pState.parsingAttributes = true;
|
| 1738 |
|
|
}
|
| 1739 |
|
|
|
| 1740 |
|
|
/* gets called when we stop parsing attributes */
|
| 1741 |
|
|
internal void EndParsingAttributes()
|
| 1742 |
|
|
{
|
| 1743 |
|
|
pState.parsingAttributes = false;
|
| 1744 |
|
|
}
|
| 1745 |
|
|
|
| 1746 |
|
|
/*dummy*/
|
| 1747 |
|
|
internal bool notIsAttributeInitialization()
|
| 1748 |
|
|
{
|
| 1749 |
|
|
return !pState.parsingAttributes;
|
| 1750 |
|
|
}
|
| 1751 |
|
|
|
| 1752 |
|
|
/* create a new(anid) constructor */
|
| 1753 |
|
|
private Expression createObject(IToken anid)
|
| 1754 |
|
|
{
|
| 1755 |
|
|
if (!pState.parsingAttributes)
|
| 1756 |
|
|
{
|
| 1757 |
|
|
doError(anid, "Object creation with 'new' only allowed in variable initializers.");
|
| 1758 |
|
|
return null;
|
| 1759 |
|
|
}
|
| 1760 |
|
|
|
| 1761 |
|
|
|
| 1762 |
|
|
OpaqueType atype = new OpaqueType(new TypeIdentifier(anid, null, GetScope()));
|
| 1763 |
|
|
pState.typesToFixUp.Add(atype);
|
| 1764 |
|
|
return new ObjectConstructor(atype, anid.Line, anid.CharPositionInLine);
|
| 1765 |
|
|
}
|
| 1766 |
|
|
|
| 1767 |
|
|
|
| 1768 |
|
|
private Expression createNamedObject(IToken anid, IToken aname)
|
| 1769 |
|
|
{
|
| 1770 |
|
|
if (!pState.parsingAttributes)
|
| 1771 |
|
|
{
|
| 1772 |
|
|
doError(anid, "Object creation with 'new' only allowed in variable initializers.");
|
| 1773 |
|
|
return null;
|
| 1774 |
|
|
}
|
| 1775 |
|
|
|
| 1776 |
|
|
Regex validid = new Regex("\"[_]*[a-zA-Z][a-zA-Z0-9_]*\"");
|
| 1777 |
|
|
if (!validid.IsMatch(aname.Text))
|
| 1778 |
|
|
{
|
| 1779 |
|
|
doError(aname, "Not a valid identifier");
|
| 1780 |
|
|
return null;
|
| 1781 |
|
|
}
|
| 1782 |
|
|
|
| 1783 |
|
|
OpaqueType atype = new OpaqueType(new TypeIdentifier(anid, null, GetScope()));
|
| 1784 |
|
|
pState.typesToFixUp.Add(atype);
|
| 1785 |
|
|
return new ObjectConstructor(atype, aname.Text, anid.Line, anid.CharPositionInLine);
|
| 1786 |
|
|
}
|
| 1787 |
|
|
|
| 1788 |
|
|
|
| 1789 |
|
|
internal void setQualitativeDerivDec(QValConstructor result)
|
| 1790 |
|
|
{
|
| 1791 |
|
|
result.SetDerivation(QValDeriv.Dec);
|
| 1792 |
|
|
}
|
| 1793 |
|
|
|
| 1794 |
|
|
internal void setQualitativeDerivInc(QValConstructor result)
|
| 1795 |
|
|
{
|
| 1796 |
|
|
result.SetDerivation(QValDeriv.Inc);
|
| 1797 |
|
|
}
|
| 1798 |
|
|
|
| 1799 |
|
|
internal void setQualitativeDerivSteady(QValConstructor result)
|
| 1800 |
|
|
{
|
| 1801 |
|
|
result.SetDerivation(QValDeriv.Steady);
|
| 1802 |
|
|
}
|
| 1803 |
|
|
|
| 1804 |
|
|
internal void setQualitativeDerivDontCare(QValConstructor result)
|
| 1805 |
|
|
{
|
| 1806 |
|
|
result.SetDerivation(QValDeriv.DonTCare);
|
| 1807 |
|
|
}
|
| 1808 |
|
|
|
| 1809 |
|
|
internal void setQualitativeValueRangeInfinity(QValConstructor result, bool p)
|
| 1810 |
|
|
{
|
| 1811 |
|
|
throw new NotImplementedException();
|
| 1812 |
|
|
}
|
| 1813 |
|
|
|
| 1814 |
|
|
internal void setQualitativeValueRange(QValConstructor result, Expression expr2)
|
| 1815 |
|
|
{
|
| 1816 |
|
|
result.AddRange(expr2);
|
| 1817 |
|
|
}
|
| 1818 |
|
|
|
| 1819 |
|
|
internal void setQualitativeValueInfinity(QValConstructor result, bool minus)
|
| 1820 |
|
|
{
|
| 1821 |
|
|
throw new NotImplementedException();
|
| 1822 |
|
|
}
|
| 1823 |
|
|
|
| 1824 |
|
|
internal void setQualitativeValueLandmark(QValConstructor result, Expression expr)
|
| 1825 |
|
|
{
|
| 1826 |
|
|
result.SetValue(expr);
|
| 1827 |
|
|
}
|
| 1828 |
|
|
|
| 1829 |
|
|
internal void setQualitativeValueDontCare(QValConstructor result)
|
| 1830 |
|
|
{
|
| 1831 |
|
|
throw new NotImplementedException();
|
| 1832 |
|
|
}
|
| 1833 |
|
|
|
| 1834 |
|
|
internal QValConstructor createQualitativeValue(IToken aval)
|
| 1835 |
|
|
{
|
| 1836 |
|
|
return new QValConstructor(aval.Line, aval.CharPositionInLine);
|
| 1837 |
|
|
}
|
| 1838 |
|
|
|
| 1839 |
|
|
/* add a local variable to a named action */
|
| 1840 |
|
|
internal void addLocalVariableToNamedAction(FunctionIdentifier newMethod, IToken id1, UlyssesType t1)
|
| 1841 |
|
|
{
|
| 1842 |
|
|
if (t1 == null)
|
| 1843 |
|
|
{
|
| 1844 |
|
|
doError(id1, "Variable lacks type");
|
| 1845 |
|
|
return;
|
| 1846 |
|
|
}
|
| 1847 |
|
|
|
| 1848 |
|
|
LocalVariableIdentifier lvar = new LocalVariableIdentifier(id1, t1, GetScope());
|
| 1849 |
|
|
newMethod.AddIdentifier(lvar, null);
|
| 1850 |
|
|
}
|
| 1851 |
|
|
|
| 1852 |
|
|
/* ====== */
|
| 1853 |
|
|
/* ====== */
|
| 1854 |
|
|
|
| 1855 |
|
|
public Dictionary<string, string> readableTokens = new Dictionary<string, string>();
|
| 1856 |
|
|
|
| 1857 |
|
|
|
| 1858 |
|
|
private void SetUpTokenDictionary()
|
| 1859 |
|
|
{
|
| 1860 |
|
|
if (readableTokens.Count > 0)
|
| 1861 |
|
|
return;
|
| 1862 |
|
|
readableTokens.Add("<invalid>", "<invalid>");
|
| 1863 |
|
|
readableTokens.Add("<EOR>", "<EOR>");
|
| 1864 |
|
|
readableTokens.Add("<DOWN>", "<DOWN>");
|
| 1865 |
|
|
readableTokens.Add("<UP>", "<UP>");
|
| 1866 |
|
|
readableTokens.Add("T_TYPES", "'types'");
|
| 1867 |
|
|
readableTokens.Add("T_SYSTEM", "'system'");
|
| 1868 |
|
|
readableTokens.Add("T_SEMICOLON", "';'");
|
| 1869 |
|
|
readableTokens.Add("T_IDENTIFIER", "<identifier>");
|
| 1870 |
|
|
readableTokens.Add("T_EQUAL", "'='");
|
| 1871 |
|
|
readableTokens.Add("T_PRIO", "'//'");
|
| 1872 |
|
|
readableTokens.Add("T_NONDET", "'[]'");
|
| 1873 |
|
|
readableTokens.Add("T_LPAREN", "'('");
|
| 1874 |
|
|
readableTokens.Add("T_RPAREN", "')'");
|
| 1875 |
|
|
readableTokens.Add("T_LIST", "'list'");
|
| 1876 |
|
|
readableTokens.Add("T_LSQPAREN", "'['");
|
| 1877 |
|
|
readableTokens.Add("T_INTNUMBER", "<integer>");
|
| 1878 |
|
|
readableTokens.Add("T_RSQPAREN", "']'");
|
| 1879 |
|
|
readableTokens.Add("T_OF", "'of'");
|
| 1880 |
|
|
readableTokens.Add("T_COMMA", "','");
|
| 1881 |
|
|
readableTokens.Add("T_MAP", "'map'");
|
| 1882 |
|
|
readableTokens.Add("T_TO", "'to'");
|
| 1883 |
|
|
readableTokens.Add("T_QUANTITY", "'quantity'");
|
| 1884 |
|
|
readableTokens.Add("T_INFTY", "'inf'");
|
| 1885 |
|
|
readableTokens.Add("T_BOOL", "'bool'");
|
| 1886 |
|
|
readableTokens.Add("T_INT", "'int'");
|
| 1887 |
|
|
readableTokens.Add("T_RANGETO", "'..'");
|
| 1888 |
|
|
readableTokens.Add("T_FLOAT", "'float'");
|
| 1889 |
|
|
readableTokens.Add("T_FLOATNUMBER", "<floating point number>");
|
| 1890 |
|
|
readableTokens.Add("T_CHAR", "'char'");
|
| 1891 |
|
|
readableTokens.Add("T_CBRL", "'{'");
|
| 1892 |
|
|
readableTokens.Add("T_CBRR", "'}'");
|
| 1893 |
|
|
readableTokens.Add("T_AUTOCONS", "'autocons'");
|
| 1894 |
|
|
readableTokens.Add("T_VAR", "'var'");
|
| 1895 |
|
|
readableTokens.Add("T_METHODS", "'methods'");
|
| 1896 |
|
|
readableTokens.Add("T_ACTIONS", "'actions'");
|
| 1897 |
|
|
readableTokens.Add("T_DO", "'do'");
|
| 1898 |
|
|
readableTokens.Add("T_OD", "'od'");
|
| 1899 |
|
|
readableTokens.Add("T_STATIC", "'static'");
|
| 1900 |
|
|
readableTokens.Add("T_COLON", "':'");
|
| 1901 |
|
|
readableTokens.Add("T_END", "'end'");
|
| 1902 |
|
|
readableTokens.Add("T_CONT", "'cont'");
|
| 1903 |
|
|
readableTokens.Add("T_CTRL", "'ctr'");
|
| 1904 |
|
|
readableTokens.Add("T_OBS", "'obs'");
|
| 1905 |
|
|
readableTokens.Add("T_REQUIRES", "'requires'");
|
| 1906 |
|
|
readableTokens.Add("T_AND", "'and'");
|
| 1907 |
|
|
readableTokens.Add("T_ABORT", "'abort'");
|
| 1908 |
|
|
readableTokens.Add("T_SKIP", "'skip'");
|
| 1909 |
|
|
readableTokens.Add("T_KILL", "'kill'");
|
| 1910 |
|
|
readableTokens.Add("T_SELF", "'self'");
|
| 1911 |
|
|
readableTokens.Add("T_ASSIGNMENT", "':='");
|
| 1912 |
|
|
readableTokens.Add("T_WITH", "'with'");
|
| 1913 |
|
|
readableTokens.Add("T_IF", "'if'");
|
| 1914 |
|
|
readableTokens.Add("T_THEN", "'then'");
|
| 1915 |
|
|
readableTokens.Add("T_ELSE", "'else'");
|
| 1916 |
|
|
readableTokens.Add("T_FORALL", "'forall'");
|
| 1917 |
|
|
readableTokens.Add("T_EXISTS", "'exists'");
|
| 1918 |
|
|
readableTokens.Add("T_TRUE", "'true'");
|
| 1919 |
|
|
readableTokens.Add("T_FALSE", "'false'");
|
| 1920 |
|
|
readableTokens.Add("T_NIL", "'nil'");
|
| 1921 |
|
|
readableTokens.Add("T_STRINGLITERAL", "'\"<string>\"'");
|
| 1922 |
|
|
readableTokens.Add("T_NEW", "'new'");
|
| 1923 |
|
|
readableTokens.Add("T_BAR", "'|'");
|
| 1924 |
|
|
readableTokens.Add("T_MAPS", "'->'");
|
| 1925 |
|
|
readableTokens.Add("T_PRIMED", "'''");
|
| 1926 |
|
|
readableTokens.Add("T_POINT", "'.'");
|
| 1927 |
|
|
readableTokens.Add("T_NOTEQUAL", "'<>'");
|
| 1928 |
|
|
readableTokens.Add("T_SEQMOD_MAPOVERRIDE", "'++'");
|
| 1929 |
|
|
readableTokens.Add("T_BIIMPLIES", "'<=>'");
|
| 1930 |
|
|
readableTokens.Add("T_IMPLIES", "'=>'");
|
| 1931 |
|
|
readableTokens.Add("T_OR", "'or'");
|
| 1932 |
|
|
readableTokens.Add("T_ABS", "'abs'");
|
| 1933 |
|
|
readableTokens.Add("T_DIV", "'/'");
|
| 1934 |
|
|
readableTokens.Add("T_GREATER", "'>'");
|
| 1935 |
|
|
readableTokens.Add("T_GREATEREQUAL", "'>='");
|
| 1936 |
|
|
readableTokens.Add("T_IDIV", "'div'");
|
| 1937 |
|
|
readableTokens.Add("T_LESS", "'<'");
|
| 1938 |
|
|
readableTokens.Add("T_LESSEQUAL", "'<='");
|
| 1939 |
|
|
readableTokens.Add("T_MINUS", "'-'");
|
| 1940 |
|
|
readableTokens.Add("T_MOD", "'mod'");
|
| 1941 |
|
|
readableTokens.Add("T_POW", "'**'");
|
| 1942 |
|
|
readableTokens.Add("T_PROD", "'*'");
|
| 1943 |
|
|
readableTokens.Add("T_SUM", "'+'");
|
| 1944 |
|
|
readableTokens.Add("T_CONC", "'^'");
|
| 1945 |
|
|
readableTokens.Add("T_DIFF", "'\\'");
|
| 1946 |
|
|
readableTokens.Add("T_INTER", "'inter'");
|
| 1947 |
|
|
readableTokens.Add("T_IN", "'in'");
|
| 1948 |
|
|
readableTokens.Add("T_SET", "'set'");
|
| 1949 |
|
|
readableTokens.Add("T_NOT", "'not'");
|
| 1950 |
|
|
readableTokens.Add("T_SUBSET", "'subset'");
|
| 1951 |
|
|
readableTokens.Add("T_UNION", "'union'");
|
| 1952 |
|
|
readableTokens.Add("T_DOMRESBY", "'<-:'");
|
| 1953 |
|
|
readableTokens.Add("T_DOMRESTO", "'<:'");
|
| 1954 |
|
|
readableTokens.Add("T_RNGRESBY", "':->'");
|
| 1955 |
|
|
readableTokens.Add("T_RNGRESTO", "':>'");
|
| 1956 |
|
|
readableTokens.Add("T_MUNION", "'munion'");
|
| 1957 |
|
|
readableTokens.Add("T_CARD", "'card'");
|
| 1958 |
|
|
readableTokens.Add("T_DCONC", "'conc'");
|
| 1959 |
|
|
readableTokens.Add("T_DINTER", "'dinter'");
|
| 1960 |
|
|
readableTokens.Add("T_DUNION", "'dunion'");
|
| 1961 |
|
|
readableTokens.Add("T_ELEMS", "'elems'");
|
| 1962 |
|
|
readableTokens.Add("T_HEAD", "'hd'");
|
| 1963 |
|
|
readableTokens.Add("T_INDS", "'inds'");
|
| 1964 |
|
|
readableTokens.Add("T_LEN", "'len'");
|
| 1965 |
|
|
readableTokens.Add("T_TAIL", "'tl'");
|
| 1966 |
|
|
readableTokens.Add("T_DOM", "'dom'");
|
| 1967 |
|
|
readableTokens.Add("T_RNG", "'rng'");
|
| 1968 |
|
|
readableTokens.Add("T_MERGE", "'merge'");
|
| 1969 |
|
|
readableTokens.Add("T_WS", "<space>");
|
| 1970 |
|
|
readableTokens.Add("T_COMMENT", "'/*<comment>*/'");
|
| 1971 |
|
|
readableTokens.Add("LINE_COMMENT", "'#<line comment>'");
|
| 1972 |
|
|
readableTokens.Add("T_DIGIT", "<0..9>");
|
| 1973 |
|
|
readableTokens.Add("FLOAT_OR_INT_OR_RANGE", "<float_int_range>");
|
| 1974 |
|
|
readableTokens.Add("T_LETTER", "<a..z,A..Z>");
|
| 1975 |
|
|
readableTokens.Add("'|['", "'|['");
|
| 1976 |
|
|
readableTokens.Add("']|'", "']|'");
|
| 1977 |
|
|
readableTokens.Add("'add'", "'add'");
|
| 1978 |
|
|
readableTokens.Add("'mult'", "'mult'");
|
| 1979 |
|
|
readableTokens.Add("'deriv'", "'deriv'");
|
| 1980 |
|
|
readableTokens.Add("'mon+'", "'mon+'");
|
| 1981 |
|
|
readableTokens.Add("'mon-'", "'mon-'");
|
| 1982 |
|
|
readableTokens.Add("'id'", "'id'");
|
| 1983 |
|
|
readableTokens.Add("'qval'", "'qval'");
|
| 1984 |
|
|
readableTokens.Add("'\"'", "'\"'");
|
| 1985 |
|
|
readableTokens.Add("as", "as");
|
| 1986 |
|
|
}
|
| 1987 |
|
|
|
| 1988 |
|
|
/* override routine that displays recongition errors.. */
|
| 1989 |
|
|
public override void DisplayRecognitionError(String[] tokenNames, RecognitionException e)
|
| 1990 |
|
|
{
|
| 1991 |
|
|
int i;
|
| 1992 |
|
|
System.Text.StringBuilder result = new System.Text.StringBuilder();
|
| 1993 |
|
|
SetUpTokenDictionary();
|
| 1994 |
|
|
|
| 1995 |
|
|
|
| 1996 |
|
|
if (e is MismatchedTokenException)
|
| 1997 |
|
|
{
|
| 1998 |
|
|
result.Append("Found '");
|
| 1999 |
|
|
result.Append(e.Token.Text);
|
| 2000 |
|
|
result.Append("'");
|
| 2001 |
|
|
i = ((MismatchedTokenException)e).Expecting;
|
| 2002 |
|
|
result.Append(" Expected: ");
|
| 2003 |
|
|
result.Append(readableTokens[tokenNames[i]]);
|
| 2004 |
|
|
result.Append(" ("); result.Append(tokenNames[i]); result.Append(") ");
|
| 2005 |
|
|
|
| 2006 |
|
|
}
|
| 2007 |
|
|
else
|
| 2008 |
|
|
{
|
| 2009 |
|
|
/*if (e is NoViableAltException)
|
| 2010 |
|
|
{
|
| 2011 |
|
|
result.Append("Unexpected '");
|
| 2012 |
|
|
result.Append(e.Token.Text);
|
| 2013 |
|
|
result.Append("' (");
|
| 2014 |
|
|
i = ((NoViableAltException)e).UnexpectedType;
|
| 2015 |
|
|
result.Append(tokenNames[i]);
|
| 2016 |
|
|
result.Append(")");
|
| 2017 |
|
|
}
|
| 2018 |
|
|
else*/
|
| 2019 |
|
|
if (e is RecognitionException)
|
| 2020 |
|
|
{
|
| 2021 |
|
|
result.Append("Unexpected '");
|
| 2022 |
|
|
result.Append(e.Token.Text);
|
| 2023 |
|
|
result.Append("' (");
|
| 2024 |
|
|
i = ((RecognitionException)e).UnexpectedType;
|
| 2025 |
|
|
result.Append(tokenNames[i]);
|
| 2026 |
|
|
result.Append(") ");
|
| 2027 |
|
|
}
|
| 2028 |
|
|
else
|
| 2029 |
|
|
result.Append(e.Message);
|
| 2030 |
|
|
}
|
| 2031 |
|
|
|
| 2032 |
|
|
pState.AddErrorMessage(new ParserError(pState.filename, e.Line, e.CharPositionInLine, result.ToString()));
|
| 2033 |
|
|
}
|
| 2034 |
|
|
|
| 2035 |
|
|
|
| 2036 |
|
|
/* just run over once */
|
| 2037 |
|
|
public static int FirstPass(ParserState pState)
|
| 2038 |
|
|
{
|
| 2039 |
|
|
pState.parser.ooActionSystems();
|
| 2040 |
|
|
|
| 2041 |
|
|
return pState.listOfParserErrors.Count; // + pState.lexer.NumberOfSyntaxErrors;
|
| 2042 |
|
|
}
|
| 2043 |
|
|
|
| 2044 |
|
|
|
| 2045 |
|
|
|
| 2046 |
|
|
/* print syntax tree */
|
| 2047 |
|
|
public static string PrintSyntaxTree(ParserState pState)
|
| 2048 |
|
|
{
|
| 2049 |
|
|
if ((pState != null) && (pState.ooaSystem != null))
|
| 2050 |
|
|
{
|
| 2051 |
|
|
return pState.ooaSystem.ToString();
|
| 2052 |
|
|
}
|
| 2053 |
|
|
else
|
| 2054 |
|
|
return String.Empty;
|
| 2055 |
|
|
}
|
| 2056 |
|
|
}
|
| 2057 |
|
|
} |