ragel-6.9ragel-6.9

1 files changed, 112 insertions, 0 deletions

diff --git a/test/cppscan1.h b/test/cppscan1.h
new file mode 100644
index 0000000..346dd9b
--- /dev/null
+++ b/test/cppscan1.h
@@ -0,0 +1,112 @@
+#ifndef _CPPSCAN1_H
+#define _CPPSCAN1_H
+
+#include <iostream>
+#include <cstdlib>
+#include <cstring>
+
+using namespace std;
+
+#define BUFSIZE 2048
+
+#define TK_Dlit 192
+#define TK_Slit 193
+#define TK_Float 194
+#define TK_Id 195
+#define TK_NameSep 197
+#define TK_Arrow 211
+#define TK_PlusPlus 212
+#define TK_MinusMinus 213
+#define TK_ArrowStar 214
+#define TK_DotStar 215
+#define TK_ShiftLeft 216
+#define TK_ShiftRight 217
+#define TK_IntegerDecimal 218
+#define TK_IntegerOctal 219
+#define TK_IntegerHex 220
+#define TK_EqualsEquals 223
+#define TK_NotEquals 224
+#define TK_AndAnd 225
+#define TK_OrOr 226
+#define TK_MultAssign 227
+#define TK_DivAssign 228
+#define TK_PercentAssign 229
+#define TK_PlusAssign 230
+#define TK_MinusAssign 231
+#define TK_AmpAssign 232
+#define TK_CaretAssign 233
+#define TK_BarAssign 234
+#define TK_DotDotDot 240
+
+/* A growable buffer for collecting headers. */
+struct Buffer
+{
+	Buffer() : data(0), allocated(0), length(0) { }
+	Buffer( const Buffer &other ) {
+		data = (char*)malloc( other.allocated );
+		memcpy( data, other.data, other.length );
+		allocated = other.allocated;
+		length = other.length;
+	}
+	~Buffer() { empty(); }
+
+	void append( char p ) {
+		if ( ++length > allocated )
+			upAllocate( length*2 );
+		data[length-1] = p;
+	}
+	void append( char *str, int len ) {
+		if ( (length += len) > allocated )
+			upAllocate( length*2 );
+		memcpy( data+length-len, str, len );
+	}
+		
+	void clear() { length = 0; }
+	void upAllocate( int len );
+	void empty();
+
+	char *data;
+	int allocated;
+	int length;
+};
+
+
+struct Scanner
+{
+	Scanner( std::ostream &out )
+		: out(out) { }
+
+	std::ostream &out;
+
+	int line, col;
+	int tokStart;
+	int inlineDepth;
+	int count;
+	Buffer tokBuf;
+	Buffer nonTokBuf;
+
+	void pass(char c) { nonTokBuf.append(c); }
+	void buf(char c) { tokBuf.append(c); }
+	void token( int id );
+
+	int cs, stack, top;
+
+	// Initialize the machine. Invokes any init statement blocks. Returns 0
+	// if the machine begins in a non-accepting state and 1 if the machine
+	// begins in an accepting state.
+	void init( );
+
+	// Execute the machine on a block of data. Returns -1 if after processing
+	// the data, the machine is in the error state and can never accept, 0 if
+	// the machine is in a non-accepting state and 1 if the machine is in an
+	// accepting state.
+	int execute( const char *data, int len );
+
+	// 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( );
+};
+
+#endif