/
table.cpp
1536 lines (1429 loc) · 44.7 KB
/
table.cpp
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// vim:ts=4:sw=4:
// Interactive BASIC Compiler Project
// File: table.cpp - operator/command/function table source file
// Copyright (C) 2010-2013 Thunder422
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// For a copy of the GNU General Public License,
// see <http://www.gnu.org/licenses/>.
//
//
// Change History:
//
// 2010-02-18 initial version
#include <QChar>
#include <QString>
#include "table.h"
#include "commandhandlers.h"
#include "tokenhandlers.h"
const int MaxOperands = 3;
// this value contains the maximum number of operands
// (arguments) for any operator or internal function (there are currently
// no internal function with more than 3 arguments)
const int MaxAssocCodes = 3;
// this value contains the maximum number of associated codes,
// codes in additional to the main code for different possible data types
// for the code (no code currently has more the 3 total codes)
// expression information for operators and internal functions
struct ExprInfo
{
Code m_unaryCode; // operator unary code (Null_Code if none)
short m_nOperands; // number of operands (operators/functions)
short m_nAssocCodes; // number of associated codes
short m_assoc2Index; // second operand assoc codes start index
DataType *m_operandDataType; // data type of each operand
Code *m_assocCode; // associated codes
DataType m_expectedDataType; // expected data type of next operand
ExprInfo(Code unaryCode = Null_Code, short nOperands = 0,
DataType *operandDataType = NULL, short nAssocCodes = 0,
short assoc2Index = 0, Code *assocCode = NULL,
DataType expectedDataType = None_DataType) :
m_unaryCode(unaryCode), m_nOperands(nOperands),
m_operandDataType(operandDataType), m_nAssocCodes(nAssocCodes),
m_assoc2Index(assoc2Index), m_assocCode(assocCode),
m_expectedDataType(expectedDataType)
{
}
};
struct TableEntry
{
TokenType type; // type of token for entry
Multiple multiple; // multiple word command/character operator
const QString name; // name for table entry
const QString name2; // name of second word of command
int flags; // flags for entry
int precedence; // precedence of code
DataType dataType; // next expression data type for command
ExprInfo *exprInfo; // expression info pointer (NULL for none)
TokenHandler tokenHandler; // translator token handler pointer
TokenMode tokenMode; // next token mode for command
CommandHandler commandHandler; // translator command handler pointer
};
Table *Table::s_instance; // pointer to single table instance
QStringList Table::s_errorList; // list of errors found during initialize
// this macro produces two entries for the ExprInfo constructor,
// one for the number of operands, one for the pointer to the
// operand data type array
#define Operands(type) (sizeof(type ## _OperandArray) \
/ sizeof(type ## _OperandArray[0])), type ## _OperandArray
// macro produces associated code fields for table entries
#define AssocCode(code) (sizeof(code ## _AssocCode) \
/ sizeof(code ## _AssocCode[0])), 0, code ## _AssocCode
// macro produces associated code fields with secondary index for table entries
#define AssocCode2(code, index2) (sizeof(code ## _AssocCode) \
/ sizeof(code ## _AssocCode[0])), index2, code ## _AssocCode
// operand data type arrays
static DataType Dbl_OperandArray[] = {
Double_DataType
};
static DataType DblDbl_OperandArray[] = {
Double_DataType, Double_DataType
};
static DataType DblInt_OperandArray[] = {
Double_DataType, Integer_DataType
};
static DataType Int_OperandArray[] = {
Integer_DataType
};
static DataType IntDbl_OperandArray[] = {
Integer_DataType, Double_DataType
};
static DataType IntInt_OperandArray[] = {
Integer_DataType, Integer_DataType
};
static DataType Str_OperandArray[] = {
String_DataType
};
static DataType StrInt_OperandArray[] = {
String_DataType, Integer_DataType
};
static DataType StrIntInt_OperandArray[] = {
String_DataType, Integer_DataType, Integer_DataType
};
static DataType StrStr_OperandArray[] = {
String_DataType, String_DataType
};
static DataType StrStrInt_OperandArray[] = {
String_DataType, String_DataType, Integer_DataType
};
static DataType Sub_OperandArray[] = {
SubStr_DataType
};
static DataType SubStr_OperandArray[] = {
SubStr_DataType, String_DataType
};
// associated code data type arrays
static Code Abs_AssocCode[] = {AbsInt_Code};
static Code Add_AssocCode[] = {
AddI1_Code, CatStr_Code, AddI2_Code
};
static Code AddI1_AssocCode[] = {AddInt_Code};
static Code Assign_AssocCode[] = {
AssignInt_Code, AssignStr_Code, AssignSubStr_Code
};
static Code AssignList_AssocCode[] = {
AssignListInt_Code, AssignListStr_Code, AssignListMix_Code
};
static Code Div_AssocCode[] = {DivI1_Code, DivI2_Code};
static Code DivI1_AssocCode[] = {DivInt_Code};
static Code Eq_AssocCode[] = {
EqI1_Code, EqStr_Code, EqI2_Code
};
static Code EqI1_AssocCode[] = {EqInt_Code};
static Code Gt_AssocCode[] = {
GtI1_Code, GtStr_Code, GtI2_Code
};
static Code GtI1_AssocCode[] = {GtInt_Code};
static Code GtEq_AssocCode[] = {
GtEqI1_Code, GtEqStr_Code, GtEqI2_Code
};
static Code GtEqI1_AssocCode[] = {GtEqInt_Code};
static Code InputAssign_AssocCode[] = {
InputAssignInt_Code, InputAssignStr_Code, InputParse_Code
};
static Code InputAssignInt_AssocCode[] = {InputParseInt_Code};
static Code InputAssignStr_AssocCode[] = {InputParseStr_Code};
static Code Lt_AssocCode[] = {
LtI1_Code, LtStr_Code, LtI2_Code
};
static Code LtI1_AssocCode[] = {LtInt_Code};
static Code LtEq_AssocCode[] = {
LtEqI1_Code, LtEqStr_Code, LtEqI2_Code
};
static Code LtEqI1_AssocCode[] = {LtEqInt_Code};
static Code Mod_AssocCode[] = {ModI1_Code, ModI2_Code};
static Code ModI1_AssocCode[] = {ModInt_Code};
static Code Mul_AssocCode[] = {MulI1_Code, MulI2_Code};
static Code MulI1_AssocCode[] = {MulInt_Code};
static Code Neg_AssocCode[] = {NegInt_Code};
static Code NotEq_AssocCode[] = {
NotEqI1_Code, NotEqStr_Code, NotEqI2_Code
};
static Code NotEqI1_AssocCode[] = {NotEqInt_Code};
static Code Power_AssocCode[] = {PowerI1_Code, PowerMul_Code};
static Code PowerI1_AssocCode[] = {PowerInt_Code};
static Code Print_AssocCode[] = {
PrintInt_Code, PrintStr_Code
};
static Code RndArgs_AssocCode[] = {RndArgInt_Code};
static Code Sgn_AssocCode[] = {SgnInt_Code};
static Code Str_AssocCode[] = {StrInt_Code};
static Code Sub_AssocCode[] = {SubI1_Code, SubI2_Code};
static Code SubI1_AssocCode[] = {SubInt_Code};
// standard expression information structures
static ExprInfo Dbl_ExprInfo(Null_Code, Operands(Dbl));
static ExprInfo DblDbl_ExprInfo(Null_Code, Operands(DblDbl));
static ExprInfo DblInt_ExprInfo(Null_Code, Operands(DblInt));
static ExprInfo Int_ExprInfo(Null_Code, Operands(Int));
static ExprInfo IntInt_ExprInfo(Null_Code, Operands(IntInt));
static ExprInfo Str_ExprInfo(Null_Code, Operands(Str));
static ExprInfo StrInt_ExprInfo(Null_Code, Operands(StrInt));
static ExprInfo StrStr_ExprInfo(Null_Code, Operands(StrStr)); //?
static ExprInfo StrStrInt_ExprInfo(Null_Code, Operands(StrStrInt));
static ExprInfo StrIntInt_ExprInfo(Null_Code, Operands(StrIntInt));
// code enumeration names in comments after opening brace
// (code enumeration generated from these by enums.awk)
static TableEntry tableEntries[] =
{
// Null_Code entry at beginning so Null_Code == 0
{ // Null_Code
Operator_TokenType
},
//***********************
// BEGIN PLAIN WORDS
//***********************
{ // BegPlainWord_Code
Error_TokenType
},
//--------------
// Commands
//--------------
{ // Let_Code
Command_TokenType, OneWord_Multiple,
"LET", NULL, Null_Flag, 4, None_DataType, NULL, NULL,
Assignment_TokenMode, Let_CmdHandler
},
{ // Print_Code
Command_TokenType, OneWord_Multiple,
"PRINT", NULL, Null_Flag, 4, None_DataType, NULL, NULL,
Expression_TokenMode, Print_CmdHandler
},
{ // Input_Code
Command_TokenType, TwoWord_Multiple,
"INPUT", NULL, Null_Flag, 4, None_DataType, NULL, NULL,
Reference_TokenMode, Input_CmdHandler
},
{ // InputPrompt_Code
Command_TokenType, TwoWord_Multiple,
"INPUT", "PROMPT", Null_Flag, 4, String_DataType, NULL, NULL,
Expression_TokenMode, Input_CmdHandler
},
{ // Dim_Code
Command_TokenType, OneWord_Multiple,
"DIM", NULL, Null_Flag, 4, None_DataType
},
{ // Def_Code
Command_TokenType, OneWord_Multiple,
"DEF", NULL, Null_Flag, 4, None_DataType
},
{ // Rem_Code
Command_TokenType, OneWord_Multiple,
"REM", NULL, Null_Flag, 4, None_DataType, NULL, NULL,
Command_TokenMode, Rem_CmdHandler
},
{ // If_Code
Command_TokenType, OneWord_Multiple,
"IF", NULL, Null_Flag, 4, None_DataType
},
{ // Then_Code
Command_TokenType, OneWord_Multiple,
"THEN", NULL, Null_Flag, 4, None_DataType
},
{ // Else_Code
Command_TokenType, OneWord_Multiple,
"ELSE", NULL, Null_Flag, 4, None_DataType
},
{ // End_Code
Command_TokenType, TwoWord_Multiple,
"END", NULL, Null_Flag, 4, None_DataType
},
{ // EndIf_Code
Command_TokenType, TwoWord_Multiple,
"END", "IF", Null_Flag, 4, None_DataType
},
{ // For_Code
Command_TokenType, OneWord_Multiple,
"FOR", NULL, Null_Flag, 4, None_DataType
},
{ // To_Code
Command_TokenType, OneWord_Multiple,
"TO", NULL, Null_Flag, 4, None_DataType
},
{ // Step_Code
Command_TokenType, OneWord_Multiple,
"STEP", NULL, Null_Flag, 4, None_DataType
},
{ // Next_Code
Command_TokenType, OneWord_Multiple,
"NEXT", NULL, Null_Flag, 4, None_DataType
},
{ // Do_Code
Command_TokenType, TwoWord_Multiple,
"DO", NULL, Null_Flag, 4, None_DataType
},
{ // DoWhile_Code
Command_TokenType, TwoWord_Multiple,
"DO", "WHILE", Null_Flag, 4, None_DataType
},
{ // DoUntil_Code
Command_TokenType, TwoWord_Multiple,
"DO", "UNTIL", Null_Flag, 4, None_DataType
},
{ // While_Code
Command_TokenType, TwoWord_Multiple,
"WHILE", NULL, Null_Flag, 4, None_DataType
},
{ // Until_Code
Command_TokenType, TwoWord_Multiple,
"UNTIL", NULL, Null_Flag, 4, None_DataType
},
{ // Loop_Code
Command_TokenType, TwoWord_Multiple,
"LOOP", NULL, Null_Flag, 4, None_DataType
},
{ // LoopWhile_Code
Command_TokenType, TwoWord_Multiple,
"LOOP", "WHILE", Null_Flag, 4, None_DataType
},
{ // LoopUntil_Code
Command_TokenType, TwoWord_Multiple,
"LOOP", "UNTIL", Null_Flag, 4, None_DataType
},
//-----------------------------------------
// Internal Functions (No Parentheses)
//-----------------------------------------
{ // Rnd_Code
IntFuncN_TokenType, OneWord_Multiple,
"RND", NULL, Null_Flag, 2, Double_DataType, new ExprInfo()
},
//--------------------
// Word Operators
//--------------------
{ // Mod_Code
Operator_TokenType, OneWord_Multiple,
"MOD", NULL, Null_Flag, 42, Double_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(Mod, 1))
},
{ // And_Code
Operator_TokenType, OneWord_Multiple,
"AND", NULL, Null_Flag, 18, Integer_DataType, &IntInt_ExprInfo
},
{ // Or_Code
Operator_TokenType, OneWord_Multiple,
"OR", NULL, Null_Flag, 14, Integer_DataType, &IntInt_ExprInfo
},
{ // Not_Code
Operator_TokenType, OneWord_Multiple,
"NOT", NULL, Null_Flag, 20, Integer_DataType,
new ExprInfo(Not_Code, Operands(Int))
},
{ // Eqv_Code
Operator_TokenType, OneWord_Multiple,
"EQV", NULL, Null_Flag, 12, Integer_DataType, &IntInt_ExprInfo
},
{ // Imp_Code
Operator_TokenType, OneWord_Multiple,
"IMP", NULL, Null_Flag, 10, Integer_DataType, &IntInt_ExprInfo
},
{ // Xor_Code
Operator_TokenType, OneWord_Multiple,
"XOR", NULL, Null_Flag, 16, Integer_DataType, &IntInt_ExprInfo
},
//*********************
// END PLAIN WORDS
//*********************
{ // EndPlainWord_Code
Error_TokenType
},
//*****************************
// BEGIN PARENTHESES WORDS
//*****************************
{ // BegParenWord_Code
Error_TokenType
},
//--------------------------------------
// INTERNAL FUNCTIONS (Parentheses)
//--------------------------------------
{ // Abs_Code
IntFuncP_TokenType, OneWord_Multiple,
"ABS(", NULL, Null_Flag, 2, Double_DataType,
new ExprInfo(Null_Code, Operands(Dbl), AssocCode(Abs))
},
{ // Fix_Code
IntFuncP_TokenType, OneWord_Multiple,
"FIX(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // Frac_Code
IntFuncP_TokenType, OneWord_Multiple,
"FRAC(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // Int_Code
IntFuncP_TokenType, OneWord_Multiple,
"INT(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // RndArg_Code
IntFuncP_TokenType, OneWord_Multiple,
"RND(", NULL, Null_Flag, 2, Double_DataType,
new ExprInfo(Null_Code, Operands(Dbl), AssocCode(RndArgs))
},
{ // Sgn_Code
IntFuncP_TokenType, OneWord_Multiple,
"SGN(", NULL, Null_Flag, 2, Double_DataType,
new ExprInfo(Null_Code, Operands(Dbl), AssocCode(Sgn))
},
{ // Cint_Code
IntFuncP_TokenType, OneWord_Multiple,
"CINT(", NULL, Null_Flag, 2, Integer_DataType, &Dbl_ExprInfo
},
{ // Cdbl_Code
IntFuncP_TokenType, OneWord_Multiple,
"CDBL(", NULL, Null_Flag, 2, Double_DataType, &Int_ExprInfo
},
{ // Sqr_Code
IntFuncP_TokenType, OneWord_Multiple,
"SQR(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // Atn_Code
IntFuncP_TokenType, OneWord_Multiple,
"ATN(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // Cos_Code
IntFuncP_TokenType, OneWord_Multiple,
"COS(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // Sin_Code
IntFuncP_TokenType, OneWord_Multiple,
"SIN(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // Tan_Code
IntFuncP_TokenType, OneWord_Multiple,
"TAN(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // Exp_Code
IntFuncP_TokenType, OneWord_Multiple,
"EXP(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // Log_Code
IntFuncP_TokenType, OneWord_Multiple,
"LOG(", NULL, Null_Flag, 2, Double_DataType, &Dbl_ExprInfo
},
{ // Tab_Code
IntFuncP_TokenType, OneWord_Multiple,
"TAB(", NULL, Print_Flag, 2, None_DataType, &Int_ExprInfo
},
{ // Spc_Code
IntFuncP_TokenType, OneWord_Multiple,
"SPC(", NULL, Print_Flag, 2, None_DataType, &Int_ExprInfo
},
{ // Asc_Code
IntFuncP_TokenType, OneWord_Multiple,
"ASC(", NULL, Multiple_Flag, 2, Integer_DataType,
new ExprInfo(Null_Code, Operands(Str))
},
{ // Asc2_Code
IntFuncP_TokenType, OneWord_Multiple,
"ASC(", "ASC2(", Null_Flag, 2, Integer_DataType,
new ExprInfo(Null_Code, Operands(StrInt))
},
{ // Chr_Code
IntFuncP_TokenType, OneWord_Multiple,
"CHR$(", NULL, Null_Flag, 2, String_DataType, &Int_ExprInfo
},
{ // Instr2_Code
IntFuncP_TokenType, OneWord_Multiple,
"INSTR(", "INSTR2(", Multiple_Flag, 2, Integer_DataType,
new ExprInfo(Null_Code, Operands(StrStr))
},
{ // Instr3_Code
IntFuncP_TokenType, OneWord_Multiple,
"INSTR(", "INSTR3(", Null_Flag, 2, Integer_DataType,
new ExprInfo(Null_Code, Operands(StrStrInt))
},
{ // Left_Code
IntFuncP_TokenType, OneWord_Multiple,
"LEFT$(", NULL, Null_Flag, 2, SubStr_DataType, &StrInt_ExprInfo
},
{ // Len_Code
IntFuncP_TokenType, OneWord_Multiple,
"LEN(", NULL, Null_Flag, 2, Integer_DataType,
new ExprInfo(Null_Code, Operands(Str))
},
{ // Mid2_Code
IntFuncP_TokenType, OneWord_Multiple,
"MID$(", "MID2$(", Multiple_Flag, 2, SubStr_DataType, &StrInt_ExprInfo
},
{ // Mid3_Code
IntFuncP_TokenType, OneWord_Multiple,
"MID$(", "MID3$(", Null_Flag, 2, SubStr_DataType, &StrIntInt_ExprInfo
},
{ // Repeat_Code
IntFuncP_TokenType, OneWord_Multiple,
"REPEAT$(", NULL, Null_Flag, 2, String_DataType,
new ExprInfo(Null_Code, Operands(StrInt))
},
{ // Right_Code
IntFuncP_TokenType, OneWord_Multiple,
"RIGHT$(", NULL, Null_Flag, 2, SubStr_DataType, &StrInt_ExprInfo
},
{ // Space_Code
IntFuncP_TokenType, OneWord_Multiple,
"SPACE$(", NULL, Null_Flag, 2, String_DataType, &Int_ExprInfo
},
{ // Str_Code
IntFuncP_TokenType, OneWord_Multiple,
"STR$(", NULL, Null_Flag, 2, String_DataType,
new ExprInfo(Null_Code, Operands(Dbl), AssocCode(Str))
},
{ // Val_Code
IntFuncP_TokenType, OneWord_Multiple,
"VAL(", NULL, Null_Flag, 2, Double_DataType, &Str_ExprInfo
},
//***************************
// END PARENTHESES WORDS
//***************************
{ // EndParenWord_Code
Error_TokenType
},
//***************************
// BEGIN DATA TYPE WORDS
//***************************
{ // BegDataTypeWord_Code
Error_TokenType
},
// Currently None
//*************************
// END DATA TYPE WORDS
//*************************
{ // EndDataTypeWord_Code
Error_TokenType
},
//*******************
// BEGIN SYMBOLS
//*******************
{ // BegSymbol_Code
Error_TokenType
},
//----------------------
// Symbol Operators
//----------------------
{ // Add_Code
Operator_TokenType, OneChar_Multiple,
"+", NULL, Null_Flag, 40, Double_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(Add, 2))
},
{ // Sub_Code
Operator_TokenType, OneChar_Multiple,
"-", NULL, Null_Flag, 40, Double_DataType,
new ExprInfo(Neg_Code, Operands(DblDbl), AssocCode2(Sub, 1))
},
{ // Mul_Code
Operator_TokenType, OneChar_Multiple,
"*", NULL, Null_Flag, 46, Double_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(Mul, 1))
},
{ // Div_Code
Operator_TokenType, OneChar_Multiple,
"/", NULL, Null_Flag, 46, Double_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(Div, 1))
},
{ // IntDiv_Code
Operator_TokenType, OneChar_Multiple,
"\\", NULL, Null_Flag, 44, Integer_DataType, &DblDbl_ExprInfo
},
{ // Power_Code
Operator_TokenType, OneChar_Multiple,
"^", NULL, Null_Flag, 50, Double_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(Power, 1))
},
{ // Eq_Code
Operator_TokenType, OneChar_Multiple,
"=", NULL, Null_Flag, 30, Integer_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(Eq, 2)),
Equal_Handler
},
{ // Gt_Code
Operator_TokenType, TwoChar_Multiple,
">", NULL, Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(Gt, 2))
},
{ // GtEq_Code
Operator_TokenType, TwoChar_Multiple,
">=", NULL, Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(GtEq, 2))
},
{ // Lt_Code
Operator_TokenType, TwoChar_Multiple,
"<", NULL, Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(Lt, 2))
},
{ // LtEq_Code
Operator_TokenType, TwoChar_Multiple,
"<=", NULL, Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(LtEq, 2))
},
{ // NotEq_Code
Operator_TokenType, TwoChar_Multiple,
"<>", NULL, Null_Flag, 30, Integer_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(NotEq, 2))
},
{ // OpenParen_Code
Operator_TokenType, OneChar_Multiple,
"(", NULL, Null_Flag, 2, None_DataType,
new ExprInfo(OpenParen_Code)
},
{ // CloseParen_Code
Operator_TokenType, OneChar_Multiple,
")", NULL, Null_Flag, 4, None_DataType, NULL,
CloseParen_Handler
},
{ // Comma_Code
Operator_TokenType, OneChar_Multiple,
",", NULL, EndExpr_Flag, 6, None_DataType,
NULL,//new ExprInfo(Comma_Code),
Comma_Handler
},
{ // SemiColon_Code
Operator_TokenType, OneChar_Multiple,
";", NULL, EndExpr_Flag, 6, None_DataType,
NULL,//new ExprInfo(SemiColon_Code),
SemiColon_Handler
},
{ // Colon_Code
Operator_TokenType, OneChar_Multiple,
":", NULL, Null_Flag, 4, None_DataType
},
{ // RemOp_Code
Operator_TokenType, OneChar_Multiple,
"'", NULL, EndExpr_Flag | EndStmt_Flag, 2, None_DataType, NULL,
RemOp_Handler
},
//*****************
// END SYMBOLS
//*****************
{ // EndSymbol_Code
Error_TokenType
},
//***************************
// MISCELLANEOUS ENTRIES
//***************************
{ // Neg_Code
Operator_TokenType, OneWord_Multiple,
// FIXME temporarily replaced "-" with "Neq" for testing
"-", "Neg", Null_Flag, 48, Double_DataType,
new ExprInfo(Neg_Code, Operands(Dbl), AssocCode(Neg))
},
{ // Assign_Code
Operator_TokenType, OneWord_Multiple,
"=", "Assign", Reference_Flag, 4, Double_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(Assign, 3)),
NULL, Null_TokenMode, Assign_CmdHandler
},
{ // AssignInt_Code
Operator_TokenType, OneWord_Multiple,
"=", "Assign%", Reference_Flag, 4, Integer_DataType, &IntInt_ExprInfo,
NULL, Null_TokenMode, Assign_CmdHandler
},
{ // AssignStr_Code
Operator_TokenType, OneWord_Multiple,
"=", "Assign$", Reference_Flag, 4, String_DataType,
new ExprInfo(Null_Code, Operands(StrStr)),
NULL, Null_TokenMode, Assign_CmdHandler
},
{ // AssignSubStr_Code
Operator_TokenType, OneWord_Multiple,
"=", "AssignSub$", Reference_Flag, 4, String_DataType,
new ExprInfo(Null_Code, Operands(SubStr)),
NULL, Null_TokenMode, Assign_CmdHandler
},
{ // AssignList_Code
Operator_TokenType, OneWord_Multiple,
"=", "AssignList", Reference_Flag, 4, Double_DataType,
new ExprInfo(Null_Code, Operands(DblDbl), AssocCode2(AssignList, 3)),
NULL, Null_TokenMode, Assign_CmdHandler
},
{ // AssignListInt_Code
Operator_TokenType, OneWord_Multiple,
"=", "AssignList%", Reference_Flag, 4, Integer_DataType,
&IntInt_ExprInfo, NULL, Null_TokenMode, Assign_CmdHandler
},
{ // AssignListStr_Code
Operator_TokenType, OneWord_Multiple,
"=", "AssignList$", Reference_Flag, 4, String_DataType,
new ExprInfo(Null_Code, Operands(StrStr)),
NULL, Null_TokenMode, Assign_CmdHandler
},
{ // AssignListMix_Code
Operator_TokenType, OneWord_Multiple,
"=", "AssignListMix$", Reference_Flag, 4, String_DataType,
new ExprInfo(Null_Code, Operands(SubStr)),
NULL, Null_TokenMode, Assign_CmdHandler
},
{ // EOL_Code
Operator_TokenType, OneWord_Multiple,
NULL, NULL, EndExpr_Flag | EndStmt_Flag, 4, None_DataType, NULL,
EndOfLine_Handler
},
{ // AddI1_Code
Operator_TokenType, OneChar_Multiple,
"+", "+%1", Null_Flag, 40, Double_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(AddI1))
},
{ // AddI2_Code
Operator_TokenType, OneChar_Multiple,
"+", "+%2", Null_Flag, 40, Double_DataType, &DblInt_ExprInfo
},
{ // AddInt_Code
Operator_TokenType, OneChar_Multiple,
"+", "+%", Null_Flag, 40, Integer_DataType, &IntInt_ExprInfo
},
{ // CatStr_Code
Operator_TokenType, OneChar_Multiple,
"+", "+$", Null_Flag, 40, String_DataType,
new ExprInfo(Null_Code, Operands(StrStr))
},
{ // SubI1_Code
Operator_TokenType, OneChar_Multiple,
"-", "-%1", Null_Flag, 40, Double_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(SubI1))
},
{ // SubI2_Code
Operator_TokenType, OneChar_Multiple,
"-", "-%2", Null_Flag, 40, Double_DataType, &DblInt_ExprInfo
},
{ // SubInt_Code
Operator_TokenType, OneChar_Multiple,
"-", "-%", Null_Flag, 40, Integer_DataType, &IntInt_ExprInfo
},
{ // NegInt_Code
Operator_TokenType, OneChar_Multiple,
"-", "Neg%", Null_Flag, 40, Integer_DataType,
new ExprInfo(NegInt_Code, Operands(Int))
},
{ // MulI1_Code
Operator_TokenType, OneChar_Multiple,
"*", "*%1", Null_Flag, 46, Double_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(MulI1))
},
{ // MulI2_Code
Operator_TokenType, OneChar_Multiple,
"*", "*%2", Null_Flag, 46, Double_DataType, &DblInt_ExprInfo
},
{ // MulInt_Code
Operator_TokenType, OneChar_Multiple,
"*", "*%", Null_Flag, 46, Integer_DataType, &IntInt_ExprInfo
},
{ // DivI1_Code
Operator_TokenType, OneChar_Multiple,
"/", "/%1", Null_Flag, 46, Double_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(DivI1))
},
{ // DivI2_Code
Operator_TokenType, OneChar_Multiple,
"/", "/%2", Null_Flag, 46, Double_DataType, &DblInt_ExprInfo
},
{ // DivInt_Code
Operator_TokenType, OneChar_Multiple,
"/", "/%", Null_Flag, 46, Integer_DataType, &IntInt_ExprInfo
},
{ // ModI1_Code
Operator_TokenType, OneChar_Multiple,
"MOD", "MOD%1", Null_Flag, 42, Double_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(ModI1))
},
{ // ModI2_Code
Operator_TokenType, OneChar_Multiple,
"MOD", "MOD%2", Null_Flag, 42, Double_DataType, &DblInt_ExprInfo
},
{ // ModInt_Code
Operator_TokenType, OneWord_Multiple,
"MOD", "MOD%", Null_Flag, 42, Integer_DataType, &IntInt_ExprInfo
},
{ // PowerI1_Code
Operator_TokenType, OneChar_Multiple,
"^", "^%1", Null_Flag, 50, Double_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(PowerI1))
},
{ // PowerMul_Code
Operator_TokenType, OneChar_Multiple,
"^", "^*", Null_Flag, 50, Double_DataType, &DblInt_ExprInfo
},
{ // PowerInt_Code
Operator_TokenType, OneChar_Multiple,
"^", "^%", Null_Flag, 50, Integer_DataType, &IntInt_ExprInfo
},
{ // EqI1_Code
Operator_TokenType, OneChar_Multiple,
"=", "=%1", Null_Flag, 30, Integer_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(EqI1))
},
{ // EqI2_Code
Operator_TokenType, OneChar_Multiple,
"=", "=%2", Null_Flag, 30, Integer_DataType, &DblInt_ExprInfo
},
{ // EqInt_Code
Operator_TokenType, OneChar_Multiple,
"=", "=%", Null_Flag, 30, Integer_DataType, &IntInt_ExprInfo
},
{ // EqStr_Code
Operator_TokenType, OneChar_Multiple,
"=", "=$", Null_Flag, 30, Integer_DataType,
new ExprInfo(Null_Code, Operands(StrStr))
},
{ // GtI1_Code
Operator_TokenType, OneChar_Multiple,
">", ">%1", Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(GtI1))
},
{ // GtI2_Code
Operator_TokenType, OneChar_Multiple,
">", ">%2", Null_Flag, 32, Integer_DataType, &DblInt_ExprInfo
},
{ // GtInt_Code
Operator_TokenType, OneChar_Multiple,
">", ">%", Null_Flag, 32, Integer_DataType, &IntInt_ExprInfo
},
{ // GtStr_Code
Operator_TokenType, OneChar_Multiple,
">", ">$", Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(StrStr))
},
{ // GtEqI1_Code
Operator_TokenType, OneChar_Multiple,
">=", ">=%1", Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(GtEqI1))
},
{ // GtEqI2_Code
Operator_TokenType, OneChar_Multiple,
">=", ">=%2", Null_Flag, 32, Integer_DataType, &DblInt_ExprInfo
},
{ // GtEqInt_Code
Operator_TokenType, OneChar_Multiple,
">=", ">=%", Null_Flag, 32, Integer_DataType, &IntInt_ExprInfo
},
{ // GtEqStr_Code
Operator_TokenType, OneChar_Multiple,
">=", ">=$", Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(StrStr))
},
{ // LtI1_Code
Operator_TokenType, OneChar_Multiple,
"<", "<%1", Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(LtI1))
},
{ // LtI2_Code
Operator_TokenType, OneChar_Multiple,
"<", "<%2", Null_Flag, 32, Integer_DataType, &DblInt_ExprInfo
},
{ // LtInt_Code
Operator_TokenType, OneChar_Multiple,
"<", "<%", Null_Flag, 32, Integer_DataType, &IntInt_ExprInfo
},
{ // LtStr_Code
Operator_TokenType, OneChar_Multiple,
"<", "<$", Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(StrStr))
},
{ // LtEqI1_Code
Operator_TokenType, OneChar_Multiple,
"<=", "<=%1", Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(LtEqI1))
},
{ // LtEqI2_Code
Operator_TokenType, OneChar_Multiple,
"<=", "<=%2", Null_Flag, 32, Integer_DataType, &DblInt_ExprInfo
},
{ // LtEqInt_Code
Operator_TokenType, OneChar_Multiple,
"<=", "<=%", Null_Flag, 32, Integer_DataType, &IntInt_ExprInfo
},
{ // LtEqStr_Code
Operator_TokenType, OneChar_Multiple,
"<=", "<=$", Null_Flag, 32, Integer_DataType,
new ExprInfo(Null_Code, Operands(StrStr))
},
{ // NotEqI1_Code
Operator_TokenType, OneChar_Multiple,
"<>", "<>%1", Null_Flag, 30, Integer_DataType,
new ExprInfo(Null_Code, Operands(IntDbl), AssocCode(NotEqI1))
},
{ // NotEqI2_Code
Operator_TokenType, OneChar_Multiple,
"<>", "<>%2", Null_Flag, 30, Integer_DataType, &DblInt_ExprInfo
},
{ // NotEqInt_Code
Operator_TokenType, OneChar_Multiple,
"<>", "<>%", Null_Flag, 30, Integer_DataType, &IntInt_ExprInfo
},
{ // NotEqStr_Code
Operator_TokenType, OneChar_Multiple,
"<>", "<>$", Null_Flag, 30, Integer_DataType,
new ExprInfo(Null_Code, Operands(StrStr))
},
{ // AbsInt_Code
IntFuncP_TokenType, OneWord_Multiple,
"ABS(", "ABS%(", Null_Flag, 2, Integer_DataType, &Int_ExprInfo
},
{ // RndArgInt_Code
IntFuncP_TokenType, OneWord_Multiple,
"RND(", "RND%(", Null_Flag, 2, Integer_DataType, &Int_ExprInfo
},
{ // SgnInt_Code
IntFuncP_TokenType, OneWord_Multiple,
"SGN(", "SGN%(", Null_Flag, 2, Integer_DataType, &Int_ExprInfo
},
{ // CvtInt_Code
IntFuncN_TokenType, OneWord_Multiple,
NULL, "CvtInt", Hidden_Flag, 2, None_DataType
},
{ // CvtDbl_Code
IntFuncN_TokenType, OneWord_Multiple,
NULL, "CvtDbl", Hidden_Flag, 2, None_DataType
},
{ // StrInt_Code
IntFuncP_TokenType, OneWord_Multiple,
"STR$(", "STR%$(", Null_Flag, 2, String_DataType, &Int_ExprInfo
},
{ // PrintDbl_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "PrintDbl", Print_Flag, 2, None_DataType,
new ExprInfo(Null_Code, Operands(Dbl), AssocCode(Print))
},
{ // PrintInt_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "PrintInt", Print_Flag, 2, None_DataType, &Int_ExprInfo
},
{ // PrintStr_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "PrintStr", Print_Flag, 2, None_DataType, &Str_ExprInfo
},
{ // InputBegin_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "InputBegin", Null_Flag, 2, None_DataType
},
{ // InputBeginStr_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "InputBeginStr", Null_Flag, 2, None_DataType,
new ExprInfo(Null_Code, Operands(Str))
},
{ // InputAssign_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "InputAssign", Reference_Flag, 2, None_DataType,
new ExprInfo(Null_Code, Operands(Dbl), AssocCode2(InputAssign, 2))
},
{ // InputAssignInt_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "InputAssignInt", Reference_Flag, 2, None_DataType,
new ExprInfo(Null_Code, Operands(Int), AssocCode(InputAssignInt))
},
{ // InputAssignStr_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "InputAssignStr", Reference_Flag, 2, None_DataType,
new ExprInfo(Null_Code, Operands(Str), AssocCode(InputAssignStr))
},
{ // InputParse_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "InputParse", Null_Flag, 2, None_DataType
},
{ // InputParseInt_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "InputParseInt", Null_Flag, 2, None_DataType
},
{ // InputParseStr_Code
IntFuncN_TokenType, OneWord_Multiple,
"", "InputParseStr", Null_Flag, 2, None_DataType
}
};
// function to create the single instance of the table
//
// - creates the single table instance with the table entries
// - fatally aborts if called more than once
// - returns list of errors if any detected during initialization
// - returns empty list upon successful initialization
// - will not allow an second instance to be created
void Table::initialize(void)
{