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operators.cpp
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operators.cpp
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#include "token_types.h"
#include "lex.h"
#include "operators.h"
#include <iostream>
#include <string>
struct op;
//NOTE: prefixing ' indicates its a unary operator
static const struct op Operators[] = {
{0,0,"unknown",false,false,1},
//group 1
{OP_ARRAY_ACCESS, 1, "[]", true,true, LEFT_TO_RIGHT},
{OP_POINTER_MEMBER, 1, "->", true,true, LEFT_TO_RIGHT},
{OP_OBJECT_MEMBER, 1, ".", true,true, LEFT_TO_RIGHT},
{OP_SCOPING_OP, 1, "::", true,true, LEFT_TO_RIGHT},
{OP_POST_INCREMENT, 1, "++", true,false, LEFT_TO_RIGHT},
{OP_POST_DECREMENT, 1, "--", true,false, LEFT_TO_RIGHT},
//group 2
{OP_LOGIC_NOT, 2, "'!", false,true, RIGHT_TO_LEFT},
{OP_BITWISE_NOT, 2, "'~", false,true, RIGHT_TO_LEFT},
{OP_PRE_INCREMENT, 2, "'++", false,true, RIGHT_TO_LEFT},
{OP_PRE_DECREMENT, 2, "'--", false,true, RIGHT_TO_LEFT},
{OP_UNARY_MINUS, 2, "'-", false,true, RIGHT_TO_LEFT},
{OP_UNARY_PLUS, 2, "'+", false,true, RIGHT_TO_LEFT},
{OP_DEREFERENCE, 2, "'*", false,true, RIGHT_TO_LEFT},
{OP_ADDRESS, 2, "'&", false,true, RIGHT_TO_LEFT},
{OP_UNREFERENCE, 2, "'@", false,true, RIGHT_TO_LEFT},
{OP_CAST, 2, "", false,true, RIGHT_TO_LEFT},
//group 3
{OP_POINTER_MEMBER_POINTER, 3, "->*", true,true, LEFT_TO_RIGHT},
{OP_OBJECT_MEMBER_POINTER, 3, ".*", true,true, LEFT_TO_RIGHT},
{OP_EXPONENT, 3, "#", true,true, RIGHT_TO_LEFT},
//group 4
{OP_MUL, 4, "*", true,true, LEFT_TO_RIGHT},
{OP_DIV, 4, "/", true,true, LEFT_TO_RIGHT},
{OP_MOD, 4, "%", true,true, LEFT_TO_RIGHT},
//group 5
{OP_ADD, 5, "+", true,true, LEFT_TO_RIGHT},
{OP_SUB, 5, "-", true,true, LEFT_TO_RIGHT},
//group 6
{OP_LSH, 6, "<<", true,true, LEFT_TO_RIGHT},
{OP_RSH, 6, ">>", true,true, LEFT_TO_RIGHT},
{OP_ROL, 6, "<<<", true,true, LEFT_TO_RIGHT},
{OP_ROR, 6, ">>>", true,true, LEFT_TO_RIGHT},
//group 7
{OP_CMP_B, 7, "<", true,true, LEFT_TO_RIGHT},
{OP_CMP_BE, 7, "<=", true,true, LEFT_TO_RIGHT},
{OP_CMP_A, 7, ">", true,true, LEFT_TO_RIGHT},
{OP_CMP_AE, 7, ">=", true,true, LEFT_TO_RIGHT},
//group 8
{OP_CMP_E, 8, "==", true,true, LEFT_TO_RIGHT},
{OP_CMP_NE, 8, "!=", true,true, LEFT_TO_RIGHT},
{OP_CMP_E_ADDR, 8, "===", true,true, LEFT_TO_RIGHT},
{OP_CMP_NE_ADDR, 8, "!==", true,true, LEFT_TO_RIGHT},
//group 9
{OP_BITWISE_AND, 9, "&", true,true, LEFT_TO_RIGHT},
//group 10
{OP_BITWISE_XOR, 10, "^", true,true, LEFT_TO_RIGHT},
//group 11
{OP_BITWISE_IOR, 11, "|", true,true, LEFT_TO_RIGHT},
//group 12
{OP_LOGIC_AND, 12, "&&", true,true, LEFT_TO_RIGHT},
//group 13
{OP_LOGIC_XOR, 13, "^^", true,true, LEFT_TO_RIGHT},
//group 14
{OP_LOGIC_IOR, 14, "||", true,true, LEFT_TO_RIGHT},
//group 15
{OP_TERNARY_THEN, 15, "?", true,true, RIGHT_TO_LEFT},
{OP_TERNARY_ELSE, 15, ":", true,true, RIGHT_TO_LEFT},
//group 16
{OP_MOV, 16, "=", true,true, RIGHT_TO_LEFT},
{OP_ADD_MOV, 16, "+=", true,true, RIGHT_TO_LEFT},
{OP_SUB_MOV, 16, "-=", true,true, RIGHT_TO_LEFT},
{OP_MUL_MOV, 16, "*=", true,true, RIGHT_TO_LEFT},
{OP_POW_MOV, 16, "#=", true,true, RIGHT_TO_LEFT},
{OP_DIV_MOV, 16, "/=", true,true, RIGHT_TO_LEFT},
{OP_MOD_MOV, 16, "%=", true,true, RIGHT_TO_LEFT},
{OP_AND_MOV, 16, "&=", true,true, RIGHT_TO_LEFT},
{OP_XOR_MOV, 16, "^=", true,true, RIGHT_TO_LEFT},
{OP_IOR_MOV, 16, "|=", true,true, RIGHT_TO_LEFT},
{OP_LSH_MOV, 16, "<<=", true,true, RIGHT_TO_LEFT},
{OP_RSH_MOV, 16, ">>=", true,true, RIGHT_TO_LEFT},
{OP_ROL_MOV, 16, "<<<=",true,true, RIGHT_TO_LEFT},
{OP_ROR_MOV, 16, ">>>=",true,true, RIGHT_TO_LEFT},
{OP_LOGIC_AND_MOV, 16, "&&=", true,true, RIGHT_TO_LEFT},
{OP_LOGIC_XOR_MOV, 16, "^^=", true,true, RIGHT_TO_LEFT},
{OP_LOGIC_IOR_MOV, 16, "||=", true,true, RIGHT_TO_LEFT},
//group 17
{OP_SEQUENCE, 17, ",", true,true, LEFT_TO_RIGHT}
};
op GetOp(std::string Lexeme){
int NumOps = sizeof(Operators)/sizeof(op);
//std::cout << "NumOps:" << NumOps << std::endl;
for( int i=0; i<NumOps; i++ ){
//std::cout << i << " : " << Operators[i].Lexeme << std::endl;
if( Operators[i].Lexeme == Lexeme ){
return Operators[i];
}
}
Error("undefined operator: '" + Lexeme + "'");
}
//##############################################################################
static const struct keyword Keywords[] = {
{ RES_ASM, "asm"},
{ RES_AUTO, "auto"},
{ RES_BOOL, "bool"},
{ RES_BREAK, "break"},
{ RES_CASE, "case"},
{ RES_CATCH, "catch"},
{ RES_CHAR, "char"},
{ RES_CLASS, "class"},
{ RES_CONST, "const"},
{ RES_CONST_CAST, "const_cast"},
{ RES_CONTINUE, "continue"},
{ RES_DEFAULT, "default"},
{ RES_DELETE, "delete"},
{ RES_DO, "do"},
{ RES_DOUBLE, "double"},
{ RES_DYNAMIC_CAST, "dynamic_cast"},
{ RES_ELSE, "else"},
{ RES_ENUM, "enum"},
{ RES_EXPLICIT, "explicit"},
{ RES_EXTERN, "extern"},
{ RES_FALSE, "false"},
{ RES_FLOAT, "float"},
{ RES_FOR, "for"},
{ RES_FRIEND, "friend"},
{ RES_GOTO, "goto"},
{ RES_IF, "if"},
{ RES_INLINE, "inline"},
{ RES_INT, "int"},
{ RES_LONG, "long"},
{ RES_INT64, "__int64" },
{ RES_MUTABLE, "mutable"},
{ RES_NAMESPACE, "namespace"},
{ RES_NEW, "new"},
{ RES_OPERATOR, "operator"},
{ RES_PRIVATE, "private"},
{ RES_PROTECTED, "protected"},
{ RES_PUBLIC, "public"},
{ RES_REGISTER, "register"},
{ RES_REINTERPRET_CAST, "reinterpret_cast"},
{ RES_RETURN, "return"},
{ RES_SHORT, "short"},
{ RES_SIGNED, "signed"},
{ RES_RETURN, "return"},
{ RES_SIZEOF, "sizeof"},
{ RES_STATIC, "static"},
{ RES_STATIC_CAST, "static_cast"},
{ RES_STRUCT, "struct"},
{ RES_SWITCH, "switch"},
{ RES_TEMPLATE, "template"},
{ RES_THIS, "this"},
{ RES_THROW, "throw"},
{ RES_TRUE, "true"},
{ RES_TRY, "try"},
{ RES_TYPEDEF, "typedef"},
{ RES_TYPEID, "typeid"},
{ RES_TYPENAME, "typename"},
{ RES_UNION, "union"},
{ RES_UNSIGNED, "unsigned"},
{ RES_USING, "using"},
{ RES_VIRTUAL, "virtual"},
{ RES_VOID, "void"},
{ RES_VOLATILE, "volatile"},
{ RES_WCHAR_T, "wchar_t"},
{ RES_WHILE, "while"},
{ PRE_RES_ENDIF, "endif"},
{ PRE_RES_DEFINE, "define"},
{ PRE_RES_UNDEF, "undef"},
{ PRE_RES_IFDEF, "ifdef"},
{ PRE_RES_IFNDEF, "ifndef"},
{ PRE_RES_UNDEF, "undef"}
};
keyword GetKeyword(std::string Lexeme){
int NumKeywords = sizeof(Keywords)/sizeof(keyword);
for( int i=0; i<NumKeywords; i++ ){
if( Keywords[i].Lexeme == Lexeme ){
return Keywords[i];
}
}
Error("undefined keyword: " + Lexeme);
}
//##############################################################################