[svn r5] Initial commit. Most things are very rough.

dmd/root.h

@@ -0,0 +1,349 @@
+
+
+// Copyright (c) 1999-2006 by Digital Mars
+// All Rights Reserved
+// written by Walter Bright
+// www.digitalmars.com
+// License for redistribution is by either the Artistic License
+// in artistic.txt, or the GNU General Public License in gnu.txt.
+// See the included readme.txt for details.
+
+#ifndef ROOT_H
+#define ROOT_H
+
+#include <stdlib.h>
+#include <stdarg.h>
+
+#if __DMC__
+#pragma once
+#endif
+
+typedef size_t hash_t;
+
+#include "dchar.h"
+
+char *wchar2ascii(wchar_t *);
+int wcharIsAscii(wchar_t *);
+char *wchar2ascii(wchar_t *, unsigned len);
+int wcharIsAscii(wchar_t *, unsigned len);
+
+int bstrcmp(unsigned char *s1, unsigned char *s2);
+char *bstr2str(unsigned char *b);
+void error(const char *format, ...);
+void error(const wchar_t *format, ...);
+void warning(const char *format, ...);
+
+#ifndef TYPEDEFS
+#define TYPEDEFS
+
+#if _MSC_VER
+typedef __int64 longlong;
+typedef unsigned __int64 ulonglong;
+#else
+typedef long long longlong;
+typedef unsigned long long ulonglong;
+#endif
+
+#endif
+
+longlong randomx();
+
+/*
+ * Root of our class library.
+ */
+
+struct OutBuffer;
+struct Array;
+
+struct Object
+{
+    Object() { }
+    virtual ~Object() { }
+
+    virtual int equals(Object *o);
+
+    /**
+     * Returns a hash code, useful for things like building hash tables of Objects.
+     */
+    virtual hash_t hashCode();
+
+    /**
+     * Return <0, ==0, or >0 if this is less than, equal to, or greater than obj.
+     * Useful for sorting Objects.
+     */
+    virtual int compare(Object *obj);
+
+    /**
+     * Pretty-print an Object. Useful for debugging the old-fashioned way.
+     */
+    virtual void print();
+
+    virtual char *toChars();
+    virtual dchar *toDchars();
+    virtual void toBuffer(OutBuffer *buf);
+
+    /**
+     * Used as a replacement for dynamic_cast. Returns a unique number
+     * defined by the library user. For Object, the return value is 0.
+     */
+    virtual int dyncast();
+
+    /**
+     * Marks pointers for garbage collector by calling mem.mark() for all pointers into heap.
+     */
+    /*virtual*/		// not used, disable for now
+	void mark();
+};
+
+struct String : Object
+{
+    int ref;			// != 0 if this is a reference to someone else's string
+    char *str;			// the string itself
+
+    String(char *str, int ref = 1);
+
+    ~String();
+
+    static hash_t calcHash(const char *str, size_t len);
+    static hash_t calcHash(const char *str);
+    hash_t hashCode();
+    unsigned len();
+    int equals(Object *obj);
+    int compare(Object *obj);
+    char *toChars();
+    void print();
+    void mark();
+};
+
+struct FileName : String
+{
+    FileName(char *str, int ref);
+    FileName(char *path, char *name);
+    hash_t hashCode();
+    int equals(Object *obj);
+    int compare(Object *obj);
+    static int absolute(const char *name);
+    static char *ext(const char *);
+    char *ext();
+    static char *name(const char *);
+    char *name();
+    static char *path(const char *);
+    static char *replaceName(char *path, char *name);
+
+    static char *combine(char *path, char *name);
+    static Array *splitPath(const char *path);
+    static FileName *defaultExt(const char *name, const char *ext);
+    static FileName *forceExt(const char *name, const char *ext);
+    int equalsExt(const char *ext);
+
+    void CopyTo(FileName *to);
+    static char *searchPath(Array *path, char *name, int cwd);
+    static int exists(const char *name);
+    static void ensurePathExists(const char *path);
+};
+
+struct File : Object
+{
+    int ref;			// != 0 if this is a reference to someone else's buffer
+    unsigned char *buffer;	// data for our file
+    unsigned len;		// amount of data in buffer[]
+    void *touchtime;		// system time to use for file
+
+    FileName *name;		// name of our file
+
+    File(char *);
+    File(FileName *);
+    ~File();
+
+    void mark();
+
+    char *toChars();
+
+    /* Read file, return !=0 if error
+     */
+
+    int read();
+
+    /* Write file, either succeed or fail
+     * with error message & exit.
+     */
+
+    void readv();
+
+    /* Read file, return !=0 if error
+     */
+
+    int mmread();
+
+    /* Write file, either succeed or fail
+     * with error message & exit.
+     */
+
+    void mmreadv();
+
+    /* Write file, return !=0 if error
+     */
+
+    int write();
+
+    /* Write file, either succeed or fail
+     * with error message & exit.
+     */
+
+    void writev();
+
+    /* Return !=0 if file exists.
+     *	0:	file doesn't exist
+     *	1:	normal file
+     *	2:	directory
+     */
+
+    /* Append to file, return !=0 if error
+     */
+
+    int append();
+
+    /* Append to file, either succeed or fail
+     * with error message & exit.
+     */
+
+    void appendv();
+
+    /* Return !=0 if file exists.
+     *	0:	file doesn't exist
+     *	1:	normal file
+     *	2:	directory
+     */
+
+    int exists();
+
+    /* Given wildcard filespec, return an array of
+     * matching File's.
+     */
+
+    static Array *match(char *);
+    static Array *match(FileName *);
+
+    // Compare file times.
+    // Return	<0	this < f
+    //		=0	this == f
+    //		>0	this > f
+    int compareTime(File *f);
+
+    // Read system file statistics
+    void stat();
+
+    /* Set buffer
+     */
+
+    void setbuffer(void *buffer, unsigned len)
+    {
+	this->buffer = (unsigned char *)buffer;
+	this->len = len;
+    }
+
+    void checkoffset(size_t offset, size_t nbytes);
+
+    void remove();		// delete file
+};
+
+struct OutBuffer : Object
+{
+    unsigned char *data;
+    unsigned offset;
+    unsigned size;
+
+    OutBuffer();
+    ~OutBuffer();
+    void *extractData();
+    void mark();
+
+    void reserve(unsigned nbytes);
+    void setsize(unsigned size);
+    void reset();
+    void write(const void *data, unsigned nbytes);
+    void writebstring(unsigned char *string);
+    void writestring(char *string);
+    void writedstring(const char *string);
+    void writedstring(const wchar_t *string);
+    void prependstring(char *string);
+    void writenl();			// write newline
+    void writeByte(unsigned b);
+    void writebyte(unsigned b) { writeByte(b); }
+    void writeUTF8(unsigned b);
+    void writedchar(unsigned b);
+    void prependbyte(unsigned b);
+    void writeword(unsigned w);
+    void writeUTF16(unsigned w);
+    void write4(unsigned w);
+    void write(OutBuffer *buf);
+    void write(Object *obj);
+    void fill0(unsigned nbytes);
+    void align(unsigned size);
+    void vprintf(const char *format, va_list args);
+    void printf(const char *format, ...);
+#if M_UNICODE
+    void vprintf(const unsigned short *format, va_list args);
+    void printf(const unsigned short *format, ...);
+#endif
+    void bracket(char left, char right);
+    unsigned bracket(unsigned i, char *left, unsigned j, char *right);
+    void spread(unsigned offset, unsigned nbytes);
+    unsigned insert(unsigned offset, const void *data, unsigned nbytes);
+    void remove(unsigned offset, unsigned nbytes);
+    char *toChars();
+    char *extractString();
+};
+
+struct Array : Object
+{
+    unsigned dim;
+    unsigned allocdim;
+    void **data;
+
+    Array();
+    ~Array();
+    void mark();
+    char *toChars();
+
+    void reserve(unsigned nentries);
+    void setDim(unsigned newdim);
+    void fixDim();
+    void push(void *ptr);
+    void *pop();
+    void shift(void *ptr);
+    void insert(unsigned index, void *ptr);
+    void insert(unsigned index, Array *a);
+    void append(Array *a);
+    void remove(unsigned i);
+    void zero();
+    void *tos();
+    void sort();
+    Array *copy();
+};
+
+struct Bits : Object
+{
+    unsigned bitdim;
+    unsigned allocdim;
+    unsigned *data;
+
+    Bits();
+    ~Bits();
+    void mark();
+
+    void resize(unsigned bitdim);
+
+    void set(unsigned bitnum);
+    void clear(unsigned bitnum);
+    int test(unsigned bitnum);
+
+    void set();
+    void clear();
+    void copy(Bits *from);
+    Bits *clone();
+
+    void sub(Bits *b);
+};
+
+#endif