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Diffstat (limited to 'test/ragel.d/cppscan5.rl')
| -rw-r--r-- | test/ragel.d/cppscan5.rl | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/test/ragel.d/cppscan5.rl b/test/ragel.d/cppscan5.rl deleted file mode 100644 index e4244129..00000000 --- a/test/ragel.d/cppscan5.rl +++ /dev/null @@ -1,273 +0,0 @@ -/* - * @LANG: d - */ - -/* - * Test in and out state actions. - */ - -import std.c.stdio; -import std.string; - -static const int TK_Dlit = 192; -static const int TK_Slit = 193; -static const int TK_Float = 194; -static const int TK_Id = 195; -static const int TK_NameSep = 197; -static const int TK_Arrow = 211; -static const int TK_PlusPlus = 212; -static const int TK_MinusMinus = 213; -static const int TK_ArrowStar = 214; -static const int TK_DotStar = 215; -static const int TK_ShiftLeft = 216; -static const int TK_ShiftRight = 217; -static const int TK_IntegerDecimal = 218; -static const int TK_IntegerOctal = 219; -static const int TK_IntegerHex = 220; -static const int TK_EqualsEquals = 223; -static const int TK_NotEquals = 224; -static const int TK_AndAnd = 225; -static const int TK_OrOr = 226; -static const int TK_MultAssign = 227; -static const int TK_DivAssign = 228; -static const int TK_PercentAssign = 229; -static const int TK_PlusAssign = 230; -static const int TK_MinusAssign = 231; -static const int TK_AmpAssign = 232; -static const int TK_CaretAssign = 233; -static const int TK_BarAssign = 234; -static const int TK_DotDotDot = 240; -static const int TK_Whitespace = 241; -static const int TK_Comment = 242; - -class Scanner -{ - int cs, act; - const(char) *ts, te; - - void token( int tok ) - { - const(char) *data = ts; - long len = te - ts; - printf( "<%i> ", tok ); - for ( int i = 0; i < len; i++ ) - printf( "%c", data[i] ); - printf( "\n" ); - } - - %%{ - - machine Scanner; - - main := |* - - # Single and double literals. - ( 'L'? "'" ( [^'\\\n] | /\\./ )* "'" ) - => { token( TK_Slit );}; - ( 'L'? '"' ( [^"\\\n] | /\\./ )* '"' ) - => { token( TK_Dlit );}; - - # Identifiers - ( [a-zA-Z_] [a-zA-Z0-9_]* ) - =>{ token( TK_Id );}; - - # Floating literals. - fract_const = digit* '.' digit+ | digit+ '.'; - exponent = [eE] [+\-]? digit+; - float_suffix = [flFL]; - - ( fract_const exponent? float_suffix? | - digit+ exponent float_suffix? ) - => { token( TK_Float );}; - - # Integer decimal. Leading part buffered by float. - ( ( '0' | [1-9] [0-9]* ) [ulUL]{0,3} ) - => { token( TK_IntegerDecimal );}; - - # Integer octal. Leading part buffered by float. - ( '0' [0-9]+ [ulUL]{0,2} ) - => { token( TK_IntegerOctal );}; - - # Integer hex. Leading 0 buffered by float. - ( '0' ( 'x' [0-9a-fA-F]+ [ulUL]{0,2} ) ) - => { token( TK_IntegerHex );}; - - # Only buffer the second item, first buffered by symbol. */ - '::' => {token( TK_NameSep );}; - '==' => {token( TK_EqualsEquals );}; - '!=' => {token( TK_NotEquals );}; - '&&' => {token( TK_AndAnd );}; - '||' => {token( TK_OrOr );}; - '*=' => {token( TK_MultAssign );}; - '/=' => {token( TK_DivAssign );}; - '%=' => {token( TK_PercentAssign );}; - '+=' => {token( TK_PlusAssign );}; - '-=' => {token( TK_MinusAssign );}; - '&=' => {token( TK_AmpAssign );}; - '^=' => {token( TK_CaretAssign );}; - '|=' => {token( TK_BarAssign );}; - '++' => {token( TK_PlusPlus );}; - '--' => {token( TK_MinusMinus );}; - '->' => {token( TK_Arrow );}; - '->*' => {token( TK_ArrowStar );}; - '.*' => {token( TK_DotStar );}; - - # Three char compounds, first item already buffered. */ - '...' => { token( TK_DotDotDot );}; - - # Single char symbols. - ( punct - [_"'] ) => { token( ts[0] );}; - - action comment { - token( TK_Comment ); - } - - # Comments and whitespace. - '/*' ( any* $0 '*/' @1 ) => comment; - '//' ( any* $0 '\n' @1 ) => comment; - ( any - 33..126 )+ => { token( TK_Whitespace );}; - - *|; - - }%% - - %% write data noprefix; - - void init( ) - { - %% write init; - } - - void execute( const(char)* data, ulong len ) - { - const(char) *p = data; - const(char) *pe = data + len; - const(char) *eof = pe; - - %% write exec; - } - - // Indicate that there is no more data. Returns -1 if the machine finishes - // in the error state and does not accept, 0 if the machine finishes - // in any other non-accepting state and 1 if the machine finishes in an - // accepting state. - int finish( ) - { - if ( cs == error ) - return -1; - if ( cs >= first_final ) - return 1; - return 0; - } -}; - -static const int BUFSIZE = 12; - -void test( const(char) buf[] ) -{ - Scanner scanner = new Scanner(); - scanner.init(); - - scanner.execute( buf.ptr, buf.length ); - if ( scanner.cs == Scanner.error ) { - /* Machine failed before finding a token. */ - printf("PARSE ERROR\n"); - } - scanner.finish(); -} - -int main() -{ - test( - "\"\\\"hi\" /*\n" - "*/\n" - "44 .44\n" - "44. 44\n" - "44 . 44\n" - "44.44\n" - "_hithere22" - ); - - test( - "'\\''\"\\n\\d'\\\"\"\n" - "hi\n" - "99\n" - ".99\n" - "99e-4\n" - "->*\n" - "||\n" - "0x98\n" - "0x\n" - "//\n" - "/* * */" - ); - - test( - "'\n" - "'\n" - ); - - return 0; -} - -##### OUTPUT ##### -<192> "\"hi" -<241> -<242> /* -*/ -<241> - -<218> 44 -<241> -<194> .44 -<241> - -<194> 44. -<241> -<218> 44 -<241> - -<218> 44 -<241> -<46> . -<241> -<218> 44 -<241> - -<194> 44.44 -<241> - -<195> _hithere22 -<193> '\'' -<192> "\n\d'\"" -<241> - -<195> hi -<241> - -<218> 99 -<241> - -<194> .99 -<241> - -<194> 99e-4 -<241> - -<214> ->* -<241> - -<226> || -<241> - -<220> 0x98 -<241> - -<218> 0 -<195> x -<241> - -<242> // - -<242> /* * */ -PARSE ERROR |