Merge branch 'dev' of feistymeow.org:feisty_meow into release-2.140.94

[feisty_meow.git] / infobase / examples / cpp_grammar_code / CxxLexing.hxx

diff --git a/infobase/examples/cpp_grammar_code/CxxLexing.hxx b/infobase/examples/cpp_grammar_code/CxxLexing.hxx
new file mode 100644 (file)
index 0000000..03c122d
--- /dev/null
+++ b/infobase/examples/cpp_grammar_code/CxxLexing.hxx
@@ -0,0 +1,33 @@
+#include <CxxToken.hxx>
+
+#include <CxxParser.hxx>
+
+static CxxToken *yyToken;
+static CxxToken *make_character(const char *someText, size_t aLength);
+static CxxToken *make_string(const char *someText, size_t aLength);
+static CxxToken *make_identifier(const char *someText, size_t aLength);
+static void make_line(const char *yyText, size_t yyLeng);
+static CxxToken *make_literal_character(const char *someText, size_t aLength);
+static CxxToken *make_narrow_character(const char *someText, size_t aLength);
+static CxxToken *make_narrow_string(const char *someText, size_t aLength);
+static CxxToken *make_number(const char *someText, size_t aLength);
+static CxxToken *make_token(size_t aCxxToken);
+static CxxToken *make_wide_character(const char *someText, size_t aLength);
+static CxxToken *make_wide_string(const char *someText, size_t aLength);
+
+#define LEX_SAVE_LINE(yyText, yyLeng) make_line(yyText, yyLeng);
+#define LEX_ASCII_TOKEN(a) yyToken = make_token(a); return true;
+#define LEX_STATIC_TOKEN(a) static CxxToken theToken(PARSE_TOKEN(a)); yyToken = &theToken; return true;
+#define LEX_C_STATIC_TOKEN(a) \
+       if (c_keywords) { LEX_IDENTIFIER_TOKEN(yytext, yyleng) } \
+       else { LEX_STATIC_TOKEN(a) } return true;
+#define LEX_ESCAPED_TOKEN(yyText, yyLeng) LEX_STATIC_TOKEN(CharacterLiteral)
+//     yyToken = make_literal_character(yytext, yyleng); return true;
+#define LEX_CHARACTER_TOKEN(yyText, yyLeng) LEX_STATIC_TOKEN(CharacterLiteral)
+//     yyToken = make_character(yyText, yyLeng); return true;
+#define LEX_STRING_TOKEN(yyText, yyLeng) LEX_STATIC_TOKEN(StringLiteral)
+//     yyToken = make_string(yyText, yyLeng); return true;
+#define LEX_IDENTIFIER_TOKEN(yyText, yyLeng) LEX_STATIC_TOKEN(Identifier)
+//     yyToken = make_identifier(yyText, yyLeng); return true;
+#define LEX_NUMBER_TOKEN(yyText, yyLeng) LEX_STATIC_TOKEN(IntegerLiteral)
+//     yyToken = make_number(yyText, yyLeng); return true;