2 * Copyright 2006-2007 Adrian Thurston <thurston@cs.queensu.ca>
5 /* This file is part of Ragel.
7 * Ragel is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * Ragel is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Ragel; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 HostType hostTypesC[] =
30 { "char", 0, "char", true, CHAR_MIN, CHAR_MAX, sizeof(char) },
31 { "unsigned", "char", "uchar", false, 0, UCHAR_MAX, sizeof(unsigned char) },
32 { "short", 0, "short", true, SHRT_MIN, SHRT_MAX, sizeof(short) },
33 { "unsigned", "short", "ushort", false, 0, USHRT_MAX, sizeof(unsigned short) },
34 { "int", 0, "int", true, INT_MIN, INT_MAX, sizeof(int) },
35 { "unsigned", "int", "uint", false, 0, UINT_MAX, sizeof(unsigned int) },
36 { "long", 0, "long", true, LONG_MIN, LONG_MAX, sizeof(long) },
37 { "unsigned", "long", "ulong", false, 0, ULONG_MAX, sizeof(unsigned long) }
40 HostType hostTypesD[] =
42 { "byte", 0, "byte", true, CHAR_MIN, CHAR_MAX, 1 },
43 { "ubyte", 0, "ubyte", false, 0, UCHAR_MAX, 1 },
44 { "char", 0, "char", false, 0, UCHAR_MAX, 1 },
45 { "short", 0, "short", true, SHRT_MIN, SHRT_MAX, 2 },
46 { "ushort", 0, "ushort", false, 0, USHRT_MAX, 2 },
47 { "wchar", 0, "wchar", false, 0, USHRT_MAX, 2 },
48 { "int", 0, "int", true, INT_MIN, INT_MAX, 4 },
49 { "uint", 0, "uint", false, 0, UINT_MAX, 4 },
50 { "dchar", 0, "dchar", false, 0, UINT_MAX, 4 }
53 HostType hostTypesJava[] =
55 { "byte", 0, "byte", true, CHAR_MIN, CHAR_MAX, 1 },
56 { "short", 0, "short", true, SHRT_MIN, SHRT_MAX, 2 },
57 { "char", 0, "char", false, 0, USHRT_MAX, 2 },
58 { "int", 0, "int", true, INT_MIN, INT_MAX, 4 },
61 /* What are the appropriate types for ruby? */
62 HostType hostTypesRuby[] =
64 { "char", 0, "char", true, CHAR_MIN, CHAR_MAX, 1 },
65 { "int", 0, "int", true, INT_MIN, INT_MAX, 4 },
68 HostLang hostLangC = { HostLang::C, hostTypesC, 8, hostTypesC+0, true };
69 HostLang hostLangD = { HostLang::D, hostTypesD, 9, hostTypesD+2, true };
70 HostLang hostLangJava = { HostLang::Java, hostTypesJava, 4, hostTypesJava+2, false };
71 HostLang hostLangRuby = { HostLang::Ruby, hostTypesRuby, 2, hostTypesRuby+0, false };
73 HostLang *hostLang = &hostLangC;
75 HostType *findAlphType( char *s1 )
77 for ( int i = 0; i < hostLang->numHostTypes; i++ ) {
78 if ( strcmp( s1, hostLang->hostTypes[i].data1 ) == 0 &&
79 hostLang->hostTypes[i].data2 == 0 )
81 return hostLang->hostTypes + i;
88 HostType *findAlphType( char *s1, char *s2 )
90 for ( int i = 0; i < hostLang->numHostTypes; i++ ) {
91 if ( strcmp( s1, hostLang->hostTypes[i].data1 ) == 0 &&
92 hostLang->hostTypes[i].data2 != 0 &&
93 strcmp( s2, hostLang->hostTypes[i].data2 ) == 0 )
95 return hostLang->hostTypes + i;
102 HostType *findAlphTypeInternal( char *s1 )
104 for ( int i = 0; i < hostLang->numHostTypes; i++ ) {
105 if ( strcmp( s1, hostLang->hostTypes[i].internalName ) == 0 )
106 return hostLang->hostTypes + i;
112 /* Construct a new parameter checker with for paramSpec. */
113 ParamCheck::ParamCheck( const char *paramSpec, int argc, char **argv )
119 paramSpec(paramSpec),
125 /* Check a single option. Returns the index of the next parameter. Sets p to
126 * the arg character if valid, 0 otherwise. Sets parg to the parameter arg if
127 * there is one, NULL otherwise. */
128 bool ParamCheck::check()
132 if ( iCurArg >= argc ) { /* Off the end of the arg list. */
137 if ( argOffset != 0 && *argOffset == 0 ) {
138 /* We are at the end of an arg string. */
140 if ( iCurArg >= argc ) {
147 if ( argOffset == 0 ) {
148 /* Set the current arg. */
149 curArg = argv[iCurArg];
151 /* We are at the beginning of an arg string. */
152 if ( argv[iCurArg] == 0 || /* Argv[iCurArg] is null. */
153 argv[iCurArg][0] != '-' || /* Not a param. */
154 argv[iCurArg][1] == 0 ) { /* Only a dash. */
162 argOffset = argv[iCurArg] + 1;
165 /* Get the arg char. */
166 char argChar = *argOffset;
168 /* Loop over all the parms and look for a match. */
169 const char *pSpec = paramSpec;
170 while ( *pSpec != 0 ) {
171 char pSpecChar = *pSpec;
173 /* If there is a ':' following the char then
174 * it requires a parm. If a parm is required
175 * then move ahead two in the parmspec. Otherwise
176 * move ahead one in the parm spec. */
177 if ( pSpec[1] == ':' ) {
178 requiresParam = true;
182 requiresParam = false;
186 /* Do we have a match. */
187 if ( argChar == pSpecChar ) {
188 if ( requiresParam ) {
189 if ( argOffset[1] == 0 ) {
190 /* The param must follow. */
191 if ( iCurArg + 1 == argc ) {
192 /* We are the last arg so there
193 * cannot be a parameter to it. */
202 /* the parameter to the arg is the next arg. */
203 parameter = pSpecChar;
204 parameterArg = argv[iCurArg + 1];
212 /* The param for the arg is built in. */
213 parameter = pSpecChar;
214 parameterArg = argOffset + 1;
222 /* Good, we matched the parm and no
223 * arg is required. */
224 parameter = pSpecChar;
233 /* We did not find a match. Bad Argument. */
241 /* Counts newlines before sending sync. */
242 int output_filter::sync( )
245 return std::filebuf::sync();
248 /* Counts newlines before sending data out to file. */
249 std::streamsize output_filter::xsputn( const char *s, std::streamsize n )
251 for ( int i = 0; i < n; i++ ) {
255 return std::filebuf::xsputn( s, n );
258 /* Scans a string looking for the file extension. If there is a file
259 * extension then pointer returned points to inside the string
260 * passed in. Otherwise returns null. */
261 char *findFileExtension( char *stemFile )
263 char *ppos = stemFile + strlen(stemFile) - 1;
265 /* Scan backwards from the end looking for the first dot.
266 * If we encounter a '/' before the first dot, then stop the scan. */
268 /* If we found a dot or got to the beginning of the string then
270 if ( ppos == stemFile || *ppos == '.' )
273 /* If we hit a / then there is no extension. Done. */
274 if ( *ppos == '/' ) {
281 /* If we got to the front of the string then bail we
282 * did not find an extension */
283 if ( ppos == stemFile )
289 /* Make a file name from a stem. Removes the old filename suffix and
290 * replaces it with a new one. Returns a newed up string. */
291 char *fileNameFromStem( char *stemFile, char *suffix )
293 long len = strlen( stemFile );
296 /* Get the extension. */
297 char *ppos = findFileExtension( stemFile );
299 /* If an extension was found, then shorten what we think the len is. */
301 len = ppos - stemFile;
303 /* Make the return string from the stem and the suffix. */
304 char *retVal = new char[ len + strlen( suffix ) + 1 ];
305 strncpy( retVal, stemFile, len );
306 strcpy( retVal + len, suffix );
313 void operator<<( std::ostream &out, exit_object & )