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
27 HostType hostTypesC[] =
29 { "char", 0, "char", true, CHAR_MIN, CHAR_MAX, sizeof(char) },
30 { "unsigned", "char", "uchar", false, 0, UCHAR_MAX, sizeof(unsigned char) },
31 { "short", 0, "short", true, SHRT_MIN, SHRT_MAX, sizeof(short) },
32 { "unsigned", "short", "ushort", false, 0, USHRT_MAX, sizeof(unsigned short) },
33 { "int", 0, "int", true, INT_MIN, INT_MAX, sizeof(int) },
34 { "unsigned", "int", "uint", false, 0, UINT_MAX, sizeof(unsigned int) },
35 { "long", 0, "long", true, LONG_MIN, LONG_MAX, sizeof(long) },
36 { "unsigned", "long", "ulong", false, 0, ULONG_MAX, sizeof(unsigned long) }
39 HostType hostTypesD[] =
41 { "byte", 0, "byte", true, CHAR_MIN, CHAR_MAX, 1 },
42 { "ubyte", 0, "ubyte", false, 0, UCHAR_MAX, 1 },
43 { "char", 0, "char", false, 0, UCHAR_MAX, 1 },
44 { "short", 0, "short", true, SHRT_MIN, SHRT_MAX, 2 },
45 { "ushort", 0, "ushort", false, 0, USHRT_MAX, 2 },
46 { "wchar", 0, "wchar", false, 0, USHRT_MAX, 2 },
47 { "int", 0, "int", true, INT_MIN, INT_MAX, 4 },
48 { "uint", 0, "uint", false, 0, UINT_MAX, 4 },
49 { "dchar", 0, "dchar", false, 0, UINT_MAX, 4 }
52 HostType hostTypesJava[] =
54 { "byte", 0, "byte", true, CHAR_MIN, CHAR_MAX, 1 },
55 { "short", 0, "short", true, SHRT_MIN, SHRT_MAX, 2 },
56 { "char", 0, "char", false, 0, USHRT_MAX, 2 },
57 { "int", 0, "int", true, INT_MIN, INT_MAX, 4 },
60 /* What are the appropriate types for ruby? */
61 HostType hostTypesRuby[] =
63 { "char", 0, "char", true, CHAR_MIN, CHAR_MAX, 1 },
64 { "int", 0, "int", true, INT_MIN, INT_MAX, 4 },
67 HostLang hostLangC = { HostLang::C, hostTypesC, 8, hostTypesC+0, true };
68 HostLang hostLangD = { HostLang::D, hostTypesD, 9, hostTypesD+2, true };
69 HostLang hostLangJava = { HostLang::Java, hostTypesJava, 4, hostTypesJava+2, false };
70 HostLang hostLangRuby = { HostLang::Ruby, hostTypesRuby, 2, hostTypesRuby+0, false };
72 HostLang *hostLang = &hostLangC;
74 HostType *findAlphType( char *s1 )
76 for ( int i = 0; i < hostLang->numHostTypes; i++ ) {
77 if ( strcmp( s1, hostLang->hostTypes[i].data1 ) == 0 &&
78 hostLang->hostTypes[i].data2 == 0 )
80 return hostLang->hostTypes + i;
87 HostType *findAlphType( char *s1, char *s2 )
89 for ( int i = 0; i < hostLang->numHostTypes; i++ ) {
90 if ( strcmp( s1, hostLang->hostTypes[i].data1 ) == 0 &&
91 hostLang->hostTypes[i].data2 != 0 &&
92 strcmp( s2, hostLang->hostTypes[i].data2 ) == 0 )
94 return hostLang->hostTypes + i;
101 HostType *findAlphTypeInternal( char *s1 )
103 for ( int i = 0; i < hostLang->numHostTypes; i++ ) {
104 if ( strcmp( s1, hostLang->hostTypes[i].internalName ) == 0 )
105 return hostLang->hostTypes + i;
111 /* Construct a new parameter checker with for paramSpec. */
112 ParamCheck::ParamCheck(char *paramSpec, int argc, char **argv)
118 paramSpec(paramSpec),
124 /* Check a single option. Returns the index of the next parameter. Sets p to
125 * the arg character if valid, 0 otherwise. Sets parg to the parameter arg if
126 * there is one, NULL otherwise. */
127 bool ParamCheck::check()
131 if ( iCurArg >= argc ) { /* Off the end of the arg list. */
136 if ( argOffset != 0 && *argOffset == 0 ) {
137 /* We are at the end of an arg string. */
139 if ( iCurArg >= argc ) {
146 if ( argOffset == 0 ) {
147 /* Set the current arg. */
148 curArg = argv[iCurArg];
150 /* We are at the beginning of an arg string. */
151 if ( argv[iCurArg] == 0 || /* Argv[iCurArg] is null. */
152 argv[iCurArg][0] != '-' || /* Not a param. */
153 argv[iCurArg][1] == 0 ) { /* Only a dash. */
161 argOffset = argv[iCurArg] + 1;
164 /* Get the arg char. */
165 char argChar = *argOffset;
167 /* Loop over all the parms and look for a match. */
168 char *pSpec = paramSpec;
169 while ( *pSpec != 0 ) {
170 char pSpecChar = *pSpec;
172 /* If there is a ':' following the char then
173 * it requires a parm. If a parm is required
174 * then move ahead two in the parmspec. Otherwise
175 * move ahead one in the parm spec. */
176 if ( pSpec[1] == ':' ) {
177 requiresParam = true;
181 requiresParam = false;
185 /* Do we have a match. */
186 if ( argChar == pSpecChar ) {
187 if ( requiresParam ) {
188 if ( argOffset[1] == 0 ) {
189 /* The param must follow. */
190 if ( iCurArg + 1 == argc ) {
191 /* We are the last arg so there
192 * cannot be a parameter to it. */
201 /* the parameter to the arg is the next arg. */
202 parameter = pSpecChar;
203 parameterArg = argv[iCurArg + 1];
211 /* The param for the arg is built in. */
212 parameter = pSpecChar;
213 parameterArg = argOffset + 1;
221 /* Good, we matched the parm and no
222 * arg is required. */
223 parameter = pSpecChar;
232 /* We did not find a match. Bad Argument. */
240 /* Counts newlines before sending sync. */
241 int output_filter::sync( )
244 return std::filebuf::sync();
247 /* Counts newlines before sending data out to file. */
248 std::streamsize output_filter::xsputn( const char *s, std::streamsize n )
250 for ( int i = 0; i < n; i++ ) {
254 return std::filebuf::xsputn( s, n );
257 /* Scans a string looking for the file extension. If there is a file
258 * extension then pointer returned points to inside the string
259 * passed in. Otherwise returns null. */
260 char *findFileExtension( char *stemFile )
262 char *ppos = stemFile + strlen(stemFile) - 1;
264 /* Scan backwards from the end looking for the first dot.
265 * If we encounter a '/' before the first dot, then stop the scan. */
267 /* If we found a dot or got to the beginning of the string then
269 if ( ppos == stemFile || *ppos == '.' )
272 /* If we hit a / then there is no extension. Done. */
273 if ( *ppos == '/' ) {
280 /* If we got to the front of the string then bail we
281 * did not find an extension */
282 if ( ppos == stemFile )
288 /* Make a file name from a stem. Removes the old filename suffix and
289 * replaces it with a new one. Returns a newed up string. */
290 char *fileNameFromStem( char *stemFile, char *suffix )
292 long len = strlen( stemFile );
295 /* Get the extension. */
296 char *ppos = findFileExtension( stemFile );
298 /* If an extension was found, then shorten what we think the len is. */
300 len = ppos - stemFile;
302 /* Make the return string from the stem and the suffix. */
303 char *retVal = new char[ len + strlen( suffix ) + 1 ];
304 strncpy( retVal, stemFile, len );
305 strcpy( retVal + len, suffix );
312 void operator<<( std::ostream &out, exit_object & )