UINT Lexer::expectUInt( UINT & value, UINT min, UINT max )
{
Token token;
lex.ExpectTokenType( TT_NUMBER, TT_INTEGER, &token );
INT value = token.GetIntValue();
if( value < 0 ) {
dxWarnf("File '%s', line '%d': expected a positive integer value but got '%s'.\n",
lex.GetFileName(),lex.GetLineNum(),token.ToChars());
}
if( value < min || value > max ) {
lex.Error("expected a positive integer value in range [%u,%u] but got '%s'.\n"
,min,max,token.ToChars());
}
return (UINT)value;
}
FLOAT Lexer::expectFloat( FLOAT & value, FLOAT min, FLOAT max )
{
Token token;
lex.ExpectTokenType( TT_NUMBER, TT_FLOAT, &token );
FLOAT f = token.GetFloatValue();
if( f < min || f > max ) {
lex.Error("expected a floating-point value in range [%f,%f] but got '%s'.\n"
,min,max,token.ToChars());
}
return f;
}
INT Lexer::expectInt( INT & value, INT min, INT max )
{
Token token;
lex.ExpectTokenType( TT_NUMBER, TT_INTEGER, &token );
INT value = token.GetIntValue();
if( value < min || value > max ) {
lex.Error("expected an integer value in range [%u,%u] but got '%s'.\n"
,min,max,token.ToChars());
}
return value;
}
BOOL Lexer::expectBool( bool & value )
{
Token token;
lex.ReadToken( &token );
if( token.equals( "TRUE" ) ) {
return TRUE;
}
if( token.equals( "FALSE" ) ) {
return FALSE;
}
lex.Error( "Expected boolean, but got '%s'.\n",token.ToChars());
return FALSE;
}