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Minor C++ tokenising stuff.

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This commit is contained in:
jules 2012-08-24 15:45:09 +01:00
parent f6f412e587
commit 08ca3ac5a7
1 changed files with 22 additions and 12 deletions
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34
modules/juce_gui_extra/code_editor/juce_CPlusPlusCodeTokeniserFunctions.h
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@ -282,25 +282,18 @@ struct CppTokeniserFunctions
{
const Iterator original (source);
if (parseFloatLiteral (source))
return CPlusPlusCodeTokeniser::tokenType_float;
if (parseFloatLiteral (source)) return CPlusPlusCodeTokeniser::tokenType_float;
source = original;
if (parseHexLiteral (source))
return CPlusPlusCodeTokeniser::tokenType_integer;
if (parseHexLiteral (source)) return CPlusPlusCodeTokeniser::tokenType_integer;
source = original;
if (parseOctalLiteral (source))
return CPlusPlusCodeTokeniser::tokenType_integer;
if (parseOctalLiteral (source)) return CPlusPlusCodeTokeniser::tokenType_integer;
source = original;
if (parseDecimalLiteral (source))
return CPlusPlusCodeTokeniser::tokenType_integer;
if (parseDecimalLiteral (source)) return CPlusPlusCodeTokeniser::tokenType_integer;
source = original;
return CPlusPlusCodeTokeniser::tokenType_error;
}
@ -537,4 +530,21 @@ struct CppTokeniserFunctions
return result;
}
/** A class that the tokeniser can use to parse a string. */
struct StringIterator
{
StringIterator (const String& s) noexcept : t (s.getCharPointer()) {}
StringIterator (const String::CharPointerType& s) noexcept : t (s) {}
juce_wchar nextChar() noexcept { if (isEOF()) return 0; ++numChars; return t.getAndAdvance(); }
juce_wchar peekNextChar()noexcept { return *t; }
void skip() noexcept { if (! isEOF()) { ++t; ++numChars; } }
void skipWhitespace() noexcept { while (t.isWhitespace()) skip(); }
void skipToEndOfLine() noexcept { while (*t != '\r' && *t != '\n' && *t != 0) skip(); }
bool isEOF() const noexcept { return t.isEmpty(); }
String::CharPointerType t;
int numChars = 0;
};
};