LGram16
dd97ddec92
Move git root from Client/ to src/ to track all source code: - Client: Game client source (moved to Client/Client/) - Server: Game server source - GameTools: Development tools - CryptoSource: Encryption utilities - database: Database scripts - Script: Game scripts - rylCoder_16.02.2008_src: Legacy coder tools - GMFont, Game: Additional resources 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
548 lines
13 KiB
C++
548 lines
13 KiB
C++
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#include "SyntaxTree.h"
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#include "SymbolTable.h"
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#include "lex.h"
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#include <assert.h>
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#include <set>
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///////////////////////////////////////////////////////////////////////////////
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// Àü¿ªº¯¼ö
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CSyntaxTree * g_pSynTree = 0;
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CSymbolTable * g_pSymbolTable = 0;
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char szBuffer[1024];
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///////////////////////////////////////////////////////////////////////////////
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// Parser ÇÔ¼ö
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void yyerror( char *msg )
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{
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CompilerMessage( msg );
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}
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extern "C" int yywrap(void) {
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return 1;
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}
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////////////////////////////////////////////////////////////////////////////////
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// ¸â¹ö ÇÔ¼ö
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SNode::SNode( int line, eSyntaxType type, SNode * pNode1, SNode * pNode2, SNode * pNode3 )
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: m_iLine( line ), m_eType( type ), m_SymbolID( 0 ), m_eReturnType( T_VOID )
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{
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m_ArrPtrChilds[0] = pNode1;
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m_ArrPtrChilds[1] = pNode2;
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m_ArrPtrChilds[2] = pNode3;
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}
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const char * SyntaxTypeName[] =
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{
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"TYPE_STATEMENT_LIST",
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"TYPE_EMPTY_STATEMENT",
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"TYPE_ERROR_STATEMENT",
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"TYPE_EXPRESSION",
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"TYPE_IF_STATEMENT",
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"TYPE_IF_ELSE_STATEMENT",
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"TYPE_SWITCH_STATEMENT",
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"TYPE_SWITCH_CASES",
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"TYPE_CASE_ONE",
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"TYPE_DEFAULT",
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"TYPE_FOR_STATEMENT",
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"TYPE_WHILE_STATEMENT",
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"TYPE_FOR_EXPRESSION",
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"TYPE_BREAK_STATEMENT",
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"TYPE_CONTINUE_STATEMENT",
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"TYPE_RETURN_STATEMENT",
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"TYPE_DECLARATION",
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"TYPE_SPECIFIER_VOID",
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"TYPE_SPECIFIER_INT",
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"TYPE_SPECIFIER_FLOAT",
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"TYPE_SPECIFIER_BOOL",
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"TYPE_SPECIFIER_STRING",
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"TYPE_VARIABLE",
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"TYPE_DECLARATOR_LIST",
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"TYPE_INIT_DECLARATION",
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"TYPE_NORMAL_DECLARATION",
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"TYPE_ARRAY_INITIALIZE",
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"TYPE_ARRAY_INITIALIZE2",
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"TYPE_ARRAY_DECLARATION",
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"TYPE_FUNCTION_DECLARATION",
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"TYPE_INITIALIZER_LIST",
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"TYPE_ARGUMENT_DECLARATION_LIST",
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"TYPE_ARGUMENT_DECLARATION",
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"TYPE_FUNCTION_DEFINITION",
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"TYPE_CONSTANT_EXPRESSION",
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"TYPE_EXPRESSION_LIST",
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"TYPE_ASSIGNMENT_EXPESSION",
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"TYPE_OR_EXPRESSION",
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"TYPE_AND_EXPRESSION",
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"TYPE_NOT_EXPRESSION",
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"TYPE_EQUALITY_EXPRESSION",
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"TYPE_NOTEQAUL_EXPRESSION",
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"TYPE_LESSTHAN_EXPRESSION",
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"TYPE_MORETHAN_EXPRESSION",
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"TYPE_LESSTHANOREQUAL_EXPRESSION",
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"TYPE_MORETHANOREQUAL_EXPRESSION",
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"TYPE_ADDITION_EXPRESSION",
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"TYPE_SUBTRACTION_EXPRESSION",
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"TYPE_MULTIPLICATION_EXPRESSION",
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"TYPE_DIVISION_EXPRESSION",
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"TYPE_REMINDER_EXPRESSION",
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"TYPE_COMPOUND_ADDITION",
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"TYPE_COMPOUND_SUBTRACTION",
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"TYPE_COMPOUND_MULTIPLICATION",
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"TYPE_COMPOUND_DIVISION",
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"TYPE_COMPOUND_REMINDER",
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"TYPE_PREFIXINCREMENT",
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"TYPE_PREFIXDECREMENT",
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"TYPE_ARRAY_INDEXING",
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"TYPE_FUNCTION_CALL",
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"TYPE_POSTFIXINCREMENT",
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"TYPE_POSTFIXDECREMENT"
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};
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void SNode::Show( int level, MESSAGE_FUNCTION2 Print, CSymbolTable * pSymbolTable )
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{
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const char * DataTypeString[] = { "void", "bool", "int", "float", "string" };
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int nl = level;
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if (!this) return;
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if( m_eType != TYPE_STATEMENT_LIST )
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{
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Print( itoa( m_iLine, szBuffer, 10 ) );
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Print( ": " );
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for ( int i = 0; i < level; i++ )
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Print( " " );
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Print( SyntaxTypeName[m_eType] );
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switch( m_eType )
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{
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case TYPE_CONSTANT_EXPRESSION :
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Print( " ( " );
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Print( pSymbolTable->GetNameOfConst( m_SymbolID ) );
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Print( " : " );
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Print( DataTypeString[ pSymbolTable->GetTypeOfConst( m_SymbolID ) ] );
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Print( " )" );
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break;
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case TYPE_INIT_DECLARATION :
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case TYPE_NORMAL_DECLARATION :
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case TYPE_ARRAY_INITIALIZE :
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case TYPE_ARRAY_INITIALIZE2 :
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case TYPE_ARRAY_DECLARATION :
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case TYPE_ARGUMENT_DECLARATION :
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case TYPE_VARIABLE :
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case TYPE_PREFIXINCREMENT :
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case TYPE_PREFIXDECREMENT :
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case TYPE_POSTFIXINCREMENT :
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case TYPE_POSTFIXDECREMENT :
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case TYPE_COMPOUND_ADDITION :
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case TYPE_COMPOUND_SUBTRACTION :
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case TYPE_COMPOUND_MULTIPLICATION :
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case TYPE_COMPOUND_DIVISION :
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case TYPE_COMPOUND_REMINDER :
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Print( " ( " );
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Print( pSymbolTable->GetNameOfVar( m_SymbolID ) );
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Print( " : " );
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Print( DataTypeString[ pSymbolTable->GetTypeOfVar( m_SymbolID ) ] );
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Print( " )" );
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break;
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}
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nl++;
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Print("\n");
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}
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for( int i = 0; m_ArrPtrChilds[i] != 0 && i < 3; i++ )
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m_ArrPtrChilds[i]->Show( nl, Print, pSymbolTable );
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}
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bool SNode::SemanticCheck( CSymbolTable * pSymbolTable )
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{
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static eDataType tempType, tempType2;
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switch( m_eType )
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{
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case TYPE_ARRAY_INDEXING :
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//ù¹ø° intÀ϶§¸¸ À¯È¿ÇÏ°í, ½Éº¼ÀÇ Å¸ÀÔ¿¡ ÀÇÇØ Å¸ÀÔÀÌ °áÁ¤µÊ.
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if( m_ArrPtrChilds[0]->m_eReturnType != T_INT )
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return false;
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else
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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break;
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case TYPE_EXPRESSION :
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m_eReturnType = m_ArrPtrChilds[0]->m_eReturnType;
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break;
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case TYPE_ARRAY_DECLARATION :
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//ù¹ø° Â÷Àϵ尡 intÀ϶§¸¸ À¯È¿ÇÏ°í, ½Éº¼ ŸÀÔ¿¡ ÀÇÇØ Å¸ÀÔÀÌ °áÁ¤µÊ.
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if( m_ArrPtrChilds[0]->m_eReturnType != T_INT )
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return false;
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else
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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break;
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case TYPE_ARRAY_INITIALIZE2 :
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//½Éº¼ ŸÀÔ°ú µÎ¹øÀç Â÷ÀϵåÀÇ Å¸ÀÔÀÌ °°ÀºÁö °Ë»çÇÏ°í °°À» ¶§ ½Éº¼ ŸÀÔÀ» ¸®ÅÏ
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//ù¹ø° Â÷Àϵå´Â intÇüÀ̾î¾ß ÇÔ.
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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if( m_ArrPtrChilds[0]->m_eReturnType != T_INT )
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return false;
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if( m_eReturnType != m_ArrPtrChilds[1]->m_eReturnType )
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return false;
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break;
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case TYPE_ARRAY_INITIALIZE :
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//½Éº¼ ŸÀÔ°ú ù¹ø° Â÷ÀϵåÀÇ Å¸ÀÔÀÌ °°¾Æ¾ß ÇÔ.
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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if( m_eReturnType != m_ArrPtrChilds[0]->m_eReturnType )
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return false;
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break;
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case TYPE_INIT_DECLARATION :
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case TYPE_ASSIGNMENT_EXPRESSION :
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//½Éº¼ ŸÀÔ°ú ù¹ø° Â÷ÀϵåÀÇ Å¸ÀÔÀÌ °°ÀºÁö °Ë»çÇÏ°í °°À» ¶§ ½Éº¼ ŸÀÔÀ» ¸®ÅÏ
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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if( m_eReturnType == T_VOID )
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return false;
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if( m_eReturnType != m_ArrPtrChilds[0]->m_eReturnType )
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{
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if( m_eReturnType != T_STRING )
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return false;
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}
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break;
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case TYPE_INITIALIZER_LIST :
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m_eReturnType = m_ArrPtrChilds[0]->m_eReturnType;
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if( m_eReturnType == T_STRING )
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{
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if( m_ArrPtrChilds[1]->m_eReturnType == T_VOID )
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return false;
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}
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else if( m_ArrPtrChilds[1]->m_eReturnType == T_STRING )
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{
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if( m_eReturnType == T_VOID )
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return false;
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m_eReturnType = T_STRING;
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}
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else
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{
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if( m_eReturnType != m_ArrPtrChilds[1]->m_eReturnType )
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break;
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}
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break;
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case TYPE_DECLARATOR_LIST :
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//ù¹ø° Â÷Àϵå¿Í µÎ¹ø° Â÷ÀϵåÀÇ Å¸ÀÔÀÌ °°ÀºÁö °Ë»çÇÏ°í °°À» ¶§ ù¹ø° Â÷Àϵå ŸÀÔ ¸®ÅÏ
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if( m_ArrPtrChilds[0]->m_eReturnType != m_ArrPtrChilds[1]->m_eReturnType )
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return false;
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else
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m_eReturnType = m_ArrPtrChilds[0]->m_eReturnType;
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break;
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case TYPE_ADDITION_EXPRESSION :
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m_eReturnType = m_ArrPtrChilds[0]->m_eReturnType;
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if( m_eReturnType == T_STRING )
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{
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if( m_ArrPtrChilds[1]->m_eReturnType == T_VOID )
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return false;
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}
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else if( m_ArrPtrChilds[1]->m_eReturnType == T_STRING )
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{
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if( m_eReturnType == T_VOID )
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return false;
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m_eReturnType = T_STRING;
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}
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else
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{
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if( m_eReturnType != m_ArrPtrChilds[1]->m_eReturnType )
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return false;
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}
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break;
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case TYPE_SUBTRACTION_EXPRESSION :
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case TYPE_MULTIPLICATION_EXPRESSION :
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case TYPE_DIVISION_EXPRESSION :
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//ù¹ø° Â÷Àϵå¿Í µÎ¹ø° Â÷Àϵ尡 ´Ù¸¦ ¶§´Â ¹«È¿, int³ª floatÇüÀÌ ¾Æ´Ò °æ¿ì¿¡µµ ¹«È¿
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if( m_ArrPtrChilds[0]->m_eReturnType != m_ArrPtrChilds[1]->m_eReturnType )
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{
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return false;
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}
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m_eReturnType = m_ArrPtrChilds[0]->m_eReturnType;
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if( m_eReturnType != T_INT && m_eReturnType != T_FLOAT )
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return false;
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break;
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case TYPE_REMINDER_EXPRESSION :
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//ù¹ø° Â÷Àϵå¿Í µÎ¹ø° Â÷Àϵ尡 ´Ù¸¦ ¶§´Â ¹«È¿, intÇüÀÌ ¾Æ´Ò °æ¿ì¿¡µµ ¹«È¿
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if( m_ArrPtrChilds[0]->m_eReturnType != m_ArrPtrChilds[1]->m_eReturnType )
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{
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return false;
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break;
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}
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m_eReturnType = m_ArrPtrChilds[0]->m_eReturnType;
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if( m_eReturnType != T_INT )
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return false;
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break;
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case TYPE_PREFIXINCREMENT :
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case TYPE_PREFIXDECREMENT :
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case TYPE_POSTFIXINCREMENT :
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case TYPE_POSTFIXDECREMENT :
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//int¿Í floatÇüÀÌ ¾Æ´Ñ °æ¿ì¿¡´Â ¹«È¿.
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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if( m_eReturnType != T_INT && m_eReturnType != T_FLOAT )
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return false;
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break;
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case TYPE_NORMAL_DECLARATION :
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case TYPE_CONSTANT_EXPRESSION :
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case TYPE_VARIABLE :
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//½Éº¼ÀÇ Å¸ÀÔÀÌ ÀÌ ³ëµåÀÇ Å¸ÀÔÀ» °áÁ¤
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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break;
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case TYPE_NOT_EXPRESSION :
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//ù¹ø° Â÷Àϵ尡 BOOLÇüÀÏ °æ¿ì¿¡¸¸ À¯È¿ÇÔ.
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if( m_ArrPtrChilds[0]->m_eReturnType != T_BOOL )
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return false;
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else
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m_eReturnType = T_BOOL;
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break;
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case TYPE_OR_EXPRESSION :
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case TYPE_AND_EXPRESSION :
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//ù¹ø° Â÷Àϵå¿Í µÎ¹ø° Â÷Àϵ尡 ¸ðµÎ boolÇüÀÏ ¶§¿¡¸¸ À¯È¿ÇÔ.
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m_eReturnType = T_BOOL;
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if( m_ArrPtrChilds[0]->m_eReturnType != T_BOOL || m_ArrPtrChilds[1]->m_eReturnType != T_BOOL )
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{
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return false;
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}
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break;
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case TYPE_EQUALITY_EXPRESSION :
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case TYPE_NOTEQAUL_EXPRESSION :
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//¿ÞÂÊ°ú ¿À¸¥ÂÊÀÇ Å¸ÀÔÀÌ °°¾Æ¾ß Çϸç, void´Â Çã¿ë ¾ÈµÊ.
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tempType = m_ArrPtrChilds[0]->m_eReturnType;
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if( tempType != m_ArrPtrChilds[1]->m_eReturnType || tempType == T_VOID )
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return false;
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else
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m_eReturnType = T_BOOL;
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break;
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case TYPE_LESSTHAN_EXPRESSION :
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case TYPE_MORETHAN_EXPRESSION :
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case TYPE_LESSTHANOREQUAL_EXPRESSION :
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case TYPE_MORETHANOREQUAL_EXPRESSION :
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tempType = m_ArrPtrChilds[0]->m_eReturnType;
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//ù ¹ø° Â÷Àϵå¿Í µÎ ¹ø° Â÷Àϵ尡 ´Ù¸¦ ¶§´Â ¹«È¿, int, floatÇüÀÌ ¾Æ´Ò °æ¿ì¿¡µµ ¿À·ù
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if( tempType != m_ArrPtrChilds[1]->m_eReturnType )
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return false;
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if( tempType != T_INT && tempType != T_FLOAT )
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return false;
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m_eReturnType = T_BOOL;
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break;
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case TYPE_COMPOUND_ADDITION :
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//½Éº¼ÀÇ Å¸ÀÔÀÌ ÀÌ ³ëµåÀÇ Å¸ÀÔÀ» °áÁ¤
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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//int³ª float, stringÇüÀÌ ¾Æ´Ò °æ¿ì ¹«È¿
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if( m_eReturnType != T_INT && m_eReturnType != T_FLOAT && m_eReturnType != T_STRING )
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return false;
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//½Éº¼ ŸÀÔ°ú ù¹ø° Â÷Àϵ尡 ´Ù¸¦ ¶§´Â ½Éº¼ ŸÀÔÀÌ stringÀÏ °æ¿ì¿¡¸¸ À¯È¿
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if( m_eReturnType != m_ArrPtrChilds[0]->m_eReturnType )
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{
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if( m_eReturnType != T_STRING )
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return false;
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else
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{
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if( m_ArrPtrChilds[0]->m_eReturnType == T_VOID )
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return false;
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}
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}
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break;
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case TYPE_COMPOUND_SUBTRACTION :
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case TYPE_COMPOUND_MULTIPLICATION :
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case TYPE_COMPOUND_DIVISION :
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//½Éº¼ÀÇ Å¸ÀÔÀÌ ÀÌ ³ëµåÀÇ Å¸ÀÔÀ» °áÁ¤
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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//½Éº¼ ŸÀÔ°ú ù¹ø° Â÷Àϵ尡 ´Ù¸¦ ¶§´Â ¹«È¿, int³ª floatÇüÀÌ ¾Æ´Ò °æ¿ì¿¡µµ ¹«È¿
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if( m_eReturnType != m_ArrPtrChilds[0]->m_eReturnType )
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{
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return false;
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}
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if( m_eReturnType != T_INT && m_eReturnType != T_FLOAT )
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return false;
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break;
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case TYPE_COMPOUND_REMINDER :
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//½Éº¼ÀÇ Å¸ÀÔÀÌ ÀÌ ³ëµåÀÇ Å¸ÀÔÀ» °áÁ¤
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m_eReturnType = pSymbolTable->GetTypeOfVar( m_SymbolID );
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//½Éº¼ ŸÀÔ°ú ù¹ø° Â÷Àϵ尡 ´Ù¸¦ ¶§´Â ¹«È¿, intÇüÀÌ ¾Æ´Ò °æ¿ì¿¡µµ ¹«È¿
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if( m_eReturnType != m_ArrPtrChilds[0]->m_eReturnType )
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{
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return false;
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}
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if( m_eReturnType != T_INT )
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return false;
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break;
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case TYPE_FUNCTION_CALL :
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{
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SFuncType type = pSymbolTable->GetTypeOfFunc( m_SymbolID );
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m_eReturnType = type.GetReturnType();
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break;
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}
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case TYPE_SWITCH_STATEMENT :
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{
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if( m_ArrPtrChilds[0]->m_eReturnType != T_INT )
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return false;
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m_eReturnType = T_VOID;
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break;
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}
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case TYPE_CASE_ONE :
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{
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if( m_ArrPtrChilds[0]->m_eReturnType != T_INT )
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return false;
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m_eReturnType = T_VOID;
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break;
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}
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default :
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m_eReturnType = T_VOID;
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break;
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}
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||
return true;
|
||
}
|
||
|
||
CSyntaxTree::CSyntaxTree()
|
||
: m_pRoot( 0 )
|
||
, m_pSymbolTable( new CSymbolTable )
|
||
, m_pPtrStorage( new PTRSTORAGE )
|
||
{
|
||
}
|
||
|
||
CSyntaxTree::~CSyntaxTree()
|
||
{
|
||
Destroy();
|
||
|
||
delete m_pSymbolTable;
|
||
delete m_pPtrStorage;
|
||
}
|
||
|
||
void CSyntaxTree::Create( const char * szFileName )
|
||
{
|
||
FILE * fp = fopen( szFileName, "rt" );
|
||
if( fp == NULL )
|
||
return;
|
||
yylloc.first_line = 1;
|
||
|
||
Create( fp );
|
||
}
|
||
|
||
void CSyntaxTree::Create( FILE * fp )
|
||
{
|
||
yyin = fp;
|
||
g_pSynTree = this;
|
||
g_pSymbolTable = m_pSymbolTable;
|
||
g_pSymbolTable->Create();
|
||
yylloc.first_line = 1;
|
||
|
||
yyparse();
|
||
}
|
||
|
||
void CSyntaxTree::Destroy()
|
||
{
|
||
typedef PTRSTORAGE::iterator ITERATOR;
|
||
|
||
for( ITERATOR i = m_pPtrStorage->begin(); i != m_pPtrStorage->end(); i++ )
|
||
{
|
||
delete (*i);
|
||
}
|
||
m_pPtrStorage->clear();
|
||
|
||
m_pSymbolTable->Destroy();
|
||
}
|
||
|
||
int CSyntaxTree::Insert( int line, eSyntaxType SynType, int childID1, int childID2, int childID3 )
|
||
{
|
||
SNode * pNode = new SNode( line, SynType, (SNode*)childID1, (SNode*)childID2, (SNode*)childID3 );
|
||
|
||
assert( m_pPtrStorage->insert( pNode ).second );
|
||
|
||
if( pNode->SemanticCheck( m_pSymbolTable ) == false )
|
||
ErrorMessage( pNode->m_iLine, "ŸÀÔÀÌ ¸ÂÁö ¾Ê½À´Ï´Ù~\n" );
|
||
|
||
return (int)pNode;
|
||
}
|
||
int CSyntaxTree::Insert( int line, int symbolID, eSyntaxType SynType, int childID1, int childID2, int childID3 )
|
||
{
|
||
SNode * pNode = new SNode( line, SynType, (SNode*)childID1, (SNode*)childID2, (SNode*)childID3 );
|
||
|
||
assert( m_pPtrStorage->insert( pNode ).second );
|
||
|
||
pNode->m_SymbolID = symbolID;
|
||
|
||
if( pNode->SemanticCheck( m_pSymbolTable ) == false )
|
||
CompilerMessage2( "Error(line %d) : ŸÀÔÀÌ ¸ÂÁö ¾Ê½À´Ï´Ù~\n", pNode->m_iLine );
|
||
|
||
return (int)pNode;
|
||
}
|
||
void CSyntaxTree::SetRoot( int nodeID )
|
||
{
|
||
if( nodeID != 0 )
|
||
{
|
||
if( m_pRoot != NULL )
|
||
{
|
||
Destroy();
|
||
}
|
||
m_pRoot = (SNode*)nodeID;
|
||
}
|
||
}
|
||
|
||
void CSyntaxTree::Show( MESSAGE_FUNCTION2 Print )
|
||
{
|
||
if( m_pRoot != NULL )
|
||
{
|
||
m_pRoot->Show( 0, Print, m_pSymbolTable );
|
||
}
|
||
}
|