void test_Concatenate_String_SS ( )
{
STR80 strTest1, strTest2;
cout << "Testing:" << endl;
cout << "void Concatenate_String string string"<<endl;
GetTestString("....Enter a string 1: ",strTest1);
GetTestString("....Enter a string 2: ",strTest2);
cout <<"....String 1 before execution:"<<strTest1<<endl;
cout <<"....String 2 before execution:"<<strTest2<<endl;
cout << endl;
String_Concat(strTest1, strTest2);
cout << endl;
cout <<"....String 1 after execution:"<<strTest1<<endl;
cout <<"....String 2 after execution:"<<strTest2<<endl;
pause_display();
}
Int Lexer_ParseReal(Lexer lexer, Bool isFirstContentOnLine)
{
DECLARE_INLINE_STRINGBUILDER(digitBuilder, 256); // 256 is plenty for most numbers, but it can grow if necessary.
const Byte *src = lexer->src;
const Byte *end = lexer->end;
const Byte *start;
Byte ch;
Token token = lexer->token;
Int integerDigitCount = 0;
Int fractionalDigitCount = 0;
const Byte *digits;
String digitString, suffix;
const Byte *suffixText;
Float64 float64;
UNUSED(isFirstContentOnLine);
INIT_INLINE_STRINGBUILDER(digitBuilder);
START_TOKEN(src);
// Collect integer digits.
start = src;
while (src < end && (ch = *src) >= '0' && ch <= '9') {
src++;
if (src + 1 < end
&& ((ch = *src) == '\'' || ch == '\"' || ch == '_')
&& src[1] >= '0' && src[1] <= '9') {
if (src > start) {
StringBuilder_Append(digitBuilder, start, 0, src - start);
}
src++;
start = src;
}
}
// Copy into the digitBuilder whatever integers are left.
if (src > start) {
StringBuilder_Append(digitBuilder, start, 0, src - start);
}
integerDigitCount = StringBuilder_GetLength(digitBuilder);
// Collect the decimal point.
if (src < end && *src == '.') {
src++;
// Collect fractional digits.
while (src < end && (ch = *src) >= '0' && ch <= '9') {
src++;
if (src + 1 < end
&& ((ch = *src) == '\'' || ch == '\"' || ch == '_')
&& src[1] >= '0' && src[1] <= '9') {
if (src > start) {
StringBuilder_Append(digitBuilder, start, 0, src - start);
}
src++;
start = src;
}
}
fractionalDigitCount = StringBuilder_GetLength(digitBuilder) - 1 - integerDigitCount;
}
// Finally copy into the digitBuilder whatever's left.
if (src > start) {
StringBuilder_Append(digitBuilder, start, 0, src - start);
}
lexer->src = src;
// Make the result C-friendly.
StringBuilder_AppendByte(digitBuilder, '\0');
// Extract out the raw text of the number.
digitString = StringBuilder_ToString(digitBuilder);
digits = String_GetBytes(digitString);
// Get any trailing type identifiers.
suffix = CollectAlphanumericSuffix(lexer);
// And make sure the result is clean.
if (!EnsureEndOfNumber(lexer)) {
token->text = IllegalRealValueMessage;
return END_TOKEN(TOKEN_ERROR);
}
suffixText = String_GetBytes(suffix);
if (suffixText[0] == '\0') {
// Real64.
if (!Real64_TryParse(digitString, &token->data.real64)) {
token->text = IllegalRealValueMessage;
return END_TOKEN(TOKEN_ERROR);
}
token->text = digitString;
return END_TOKEN(TOKEN_REAL64);
}
else if (suffixText[0] == 'F' || suffixText[0] == 'f') {
if (suffixText[1] == '\0') {
// Float64.
float64 = strtod(digits, NULL);
token->data.float64 = float64;
token->text = digitString;
return END_TOKEN(TOKEN_FLOAT64);
}
else goto badSuffix;
}
else if (suffixText[0] == 'L' || suffixText[0] == 'l') {
// 128-bit something-or-other.
if (suffixText[1] == '\0') {
// Real128.
if (!Real128_TryParse(digitString, &token->data.real128)) {
token->text = IllegalRealValueMessage;
return END_TOKEN(TOKEN_ERROR);
}
token->text = String_Concat(digitString, suffix);
return END_TOKEN(TOKEN_REAL128);
}
else if ((suffixText[1] == 'F' || suffixText[1] == 'f') && suffixText[2] == '\0') {
// Float128 (not yet supported).
goto badSuffix;
}
else goto badSuffix;
}
else if (suffixText[0] == 'H' || suffixText[0] == 'h') {
// 32-bit something-or-other.
if (suffixText[1] == '\0') {
// Real32.
if (!Real32_TryParse(digitString, &token->data.real32)) {
token->text = IllegalRealValueMessage;
return END_TOKEN(TOKEN_ERROR);
}
token->text = String_Concat(digitString, suffix);
return END_TOKEN(TOKEN_REAL32);
}
else if ((suffixText[1] == 'F' || suffixText[1] == 'f') && suffixText[2] == '\0') {
// Float32.
float64 = strtod(digits, NULL);
token->data.float32 = (Float32)float64;
token->text = digitString;
return END_TOKEN(TOKEN_FLOAT32);
}
else goto badSuffix;
}
else goto badSuffix;
badSuffix:
token->text = String_FormatString(IllegalNumericSuffixMessage, suffix);
return END_TOKEN(TOKEN_ERROR);
}