void
extract_php (FILE *f,
const char *real_filename, const char *logical_filename,
flag_context_list_table_ty *flag_table,
msgdomain_list_ty *mdlp)
{
message_list_ty *mlp = mdlp->item[0]->messages;
fp = f;
real_file_name = real_filename;
logical_file_name = xstrdup (logical_filename);
line_number = 1;
last_comment_line = -1;
last_non_comment_line = -1;
flag_context_list_table = flag_table;
init_keywords ();
/* Initial mode is HTML mode, not PHP mode. */
skip_html ();
/* Eat tokens until eof is seen. When extract_parenthesized returns
due to an unbalanced closing parenthesis, just restart it. */
while (!extract_parenthesized (mlp, null_context, null_context_list_iterator,
arglist_parser_alloc (mlp, NULL)))
;
/* Close scanner. */
fp = NULL;
real_file_name = NULL;
logical_file_name = NULL;
line_number = 0;
}
static void
phase4_get (token_ty *tp)
{
static char *buffer;
static int bufmax;
int bufpos;
int c;
if (phase4_pushback_length)
{
*tp = phase4_pushback[--phase4_pushback_length];
return;
}
tp->string = NULL;
for (;;)
{
tp->line_number = line_number;
c = phase3_getc ();
switch (c)
{
case EOF:
tp->type = token_type_eof;
return;
case '\n':
if (last_non_comment_line > last_comment_line)
savable_comment_reset ();
/* FALLTHROUGH */
case ' ':
case '\t':
case '\r':
/* Ignore whitespace. */
continue;
}
last_non_comment_line = tp->line_number;
switch (c)
{
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
case 'V': case 'W': case 'X': case 'Y': case 'Z':
case '_':
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
case 'v': case 'w': case 'x': case 'y': case 'z':
case 127: case 128: case 129: case 130: case 131: case 132: case 133:
case 134: case 135: case 136: case 137: case 138: case 139: case 140:
case 141: case 142: case 143: case 144: case 145: case 146: case 147:
case 148: case 149: case 150: case 151: case 152: case 153: case 154:
case 155: case 156: case 157: case 158: case 159: case 160: case 161:
case 162: case 163: case 164: case 165: case 166: case 167: case 168:
case 169: case 170: case 171: case 172: case 173: case 174: case 175:
case 176: case 177: case 178: case 179: case 180: case 181: case 182:
case 183: case 184: case 185: case 186: case 187: case 188: case 189:
case 190: case 191: case 192: case 193: case 194: case 195: case 196:
case 197: case 198: case 199: case 200: case 201: case 202: case 203:
case 204: case 205: case 206: case 207: case 208: case 209: case 210:
case 211: case 212: case 213: case 214: case 215: case 216: case 217:
case 218: case 219: case 220: case 221: case 222: case 223: case 224:
case 225: case 226: case 227: case 228: case 229: case 230: case 231:
case 232: case 233: case 234: case 235: case 236: case 237: case 238:
case 239: case 240: case 241: case 242: case 243: case 244: case 245:
case 246: case 247: case 248: case 249: case 250: case 251: case 252:
case 253: case 254: case 255:
bufpos = 0;
for (;;)
{
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos++] = c;
c = phase1_getc ();
switch (c)
{
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
case 'Y': case 'Z':
case '_':
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
case 's': case 't': case 'u': case 'v': case 'w': case 'x':
case 'y': case 'z':
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case 127: case 128: case 129: case 130: case 131: case 132:
case 133: case 134: case 135: case 136: case 137: case 138:
case 139: case 140: case 141: case 142: case 143: case 144:
case 145: case 146: case 147: case 148: case 149: case 150:
case 151: case 152: case 153: case 154: case 155: case 156:
case 157: case 158: case 159: case 160: case 161: case 162:
case 163: case 164: case 165: case 166: case 167: case 168:
case 169: case 170: case 171: case 172: case 173: case 174:
case 175: case 176: case 177: case 178: case 179: case 180:
case 181: case 182: case 183: case 184: case 185: case 186:
case 187: case 188: case 189: case 190: case 191: case 192:
case 193: case 194: case 195: case 196: case 197: case 198:
case 199: case 200: case 201: case 202: case 203: case 204:
case 205: case 206: case 207: case 208: case 209: case 210:
case 211: case 212: case 213: case 214: case 215: case 216:
case 217: case 218: case 219: case 220: case 221: case 222:
case 223: case 224: case 225: case 226: case 227: case 228:
case 229: case 230: case 231: case 232: case 233: case 234:
case 235: case 236: case 237: case 238: case 239: case 240:
case 241: case 242: case 243: case 244: case 245: case 246:
case 247: case 248: case 249: case 250: case 251: case 252:
case 253: case 254: case 255:
continue;
default:
phase1_ungetc (c);
break;
}
break;
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos] = 0;
tp->string = xstrdup (buffer);
tp->type = token_type_symbol;
return;
case '\'':
/* Single-quoted string literal. */
bufpos = 0;
for (;;)
{
c = phase1_getc ();
if (c == EOF || c == '\'')
break;
if (c == '\\')
{
c = phase1_getc ();
if (c != '\\' && c != '\'')
{
phase1_ungetc (c);
c = '\\';
}
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos++] = c;
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos] = 0;
tp->type = token_type_string_literal;
tp->string = xstrdup (buffer);
tp->comment = add_reference (savable_comment);
return;
case '"':
/* Double-quoted string literal. */
tp->type = token_type_string_literal;
bufpos = 0;
for (;;)
{
c = phase1_getc ();
if (c == EOF || c == '"')
break;
if (c == '$')
{
c = phase1_getc ();
if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')
|| c == '_' || c == '{' || c >= 0x7f)
{
/* String with variables. */
tp->type = token_type_other;
continue;
}
phase1_ungetc (c);
c = '$';
}
if (c == '{')
{
c = phase1_getc ();
if (c == '$')
{
/* String with expressions. */
tp->type = token_type_other;
continue;
}
phase1_ungetc (c);
c = '{';
}
if (c == '\\')
{
int n, j;
c = phase1_getc ();
switch (c)
{
case '"':
case '\\':
case '$':
break;
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
n = 0;
for (j = 0; j < 3; ++j)
{
n = n * 8 + c - '0';
c = phase1_getc ();
switch (c)
{
default:
break;
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
continue;
}
break;
}
phase1_ungetc (c);
c = n;
break;
case 'x':
n = 0;
for (j = 0; j < 2; ++j)
{
c = phase1_getc ();
switch (c)
{
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
n = n * 16 + c - '0';
break;
case 'A': case 'B': case 'C': case 'D': case 'E':
case 'F':
n = n * 16 + 10 + c - 'A';
break;
case 'a': case 'b': case 'c': case 'd': case 'e':
case 'f':
n = n * 16 + 10 + c - 'a';
break;
default:
phase1_ungetc (c);
c = 0;
break;
}
if (c == 0)
break;
}
if (j == 0)
{
phase1_ungetc ('x');
c = '\\';
}
else
c = n;
break;
case 'n':
c = '\n';
break;
case 't':
c = '\t';
break;
case 'r':
c = '\r';
break;
default:
phase1_ungetc (c);
c = '\\';
break;
}
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos++] = c;
}
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos] = 0;
if (tp->type == token_type_string_literal)
{
tp->string = xstrdup (buffer);
tp->comment = add_reference (savable_comment);
}
return;
case '?':
case '%':
{
int c2 = phase1_getc ();
if (c2 == '>')
{
/* ?> and %> terminate PHP mode and switch back to HTML
mode. */
skip_html ();
tp->type = token_type_other;
}
else
{
phase1_ungetc (c2);
tp->type = (c == '%' ? token_type_operator1 : token_type_other);
}
return;
}
case '(':
tp->type = token_type_lparen;
return;
case ')':
tp->type = token_type_rparen;
return;
case ',':
tp->type = token_type_comma;
return;
case '[':
tp->type = token_type_lbracket;
return;
case ']':
tp->type = token_type_rbracket;
return;
case '.':
tp->type = token_type_dot;
return;
case '*':
case '/':
tp->type = token_type_operator1;
return;
case '+':
case '-':
{
int c2 = phase1_getc ();
if (c2 == c)
/* ++ or -- */
tp->type = token_type_operator1;
else
/* + or - */
{
phase1_ungetc (c2);
tp->type = token_type_operator2;
}
return;
}
case '!':
case '~':
case '@':
tp->type = token_type_operator2;
return;
case '<':
{
int c2 = phase1_getc ();
if (c2 == '<')
{
int c3 = phase1_getc ();
if (c3 == '<')
{
/* Start of here document.
Parse whitespace, then label, then newline. */
do
c = phase3_getc ();
while (c == ' ' || c == '\t' || c == '\n' || c == '\r');
bufpos = 0;
do
{
if (bufpos >= bufmax)
{
bufmax = 2 * bufmax + 10;
buffer = xrealloc (buffer, bufmax);
}
buffer[bufpos++] = c;
c = phase3_getc ();
}
while (c != EOF && c != '\n' && c != '\r');
/* buffer[0..bufpos-1] now contains the label. */
/* Now skip the here document. */
for (;;)
{
c = phase1_getc ();
if (c == EOF)
break;
if (c == '\n' || c == '\r')
{
int bufidx = 0;
while (bufidx < bufpos)
{
c = phase1_getc ();
if (c == EOF)
break;
if (c != buffer[bufidx])
{
phase1_ungetc (c);
break;
}
bufidx++;
}
if (bufidx == bufpos)
{
c = phase1_getc ();
if (c != ';')
phase1_ungetc (c);
c = phase1_getc ();
if (c == '\n' || c == '\r')
break;
}
}
}
/* FIXME: Ideally we should turn the here document into a
string literal if it didn't contain $ substitution. And
we should also respect backslash escape sequences like
in double-quoted strings. */
tp->type = token_type_other;
return;
}
phase1_ungetc (c3);
}
/* < / script > terminates PHP mode and switches back to HTML
mode. */
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r')
c2 = phase1_getc ();
if (c2 == '/')
{
do
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r');
if (c2 == 's' || c2 == 'S')
{
c2 = phase1_getc ();
if (c2 == 'c' || c2 == 'C')
{
c2 = phase1_getc ();
if (c2 == 'r' || c2 == 'R')
{
c2 = phase1_getc ();
if (c2 == 'i' || c2 == 'I')
{
c2 = phase1_getc ();
if (c2 == 'p' || c2 == 'P')
{
c2 = phase1_getc ();
if (c2 == 't' || c2 == 'T')
{
do
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t'
|| c2 == '\n' || c2 == '\r');
if (c2 == '>')
{
skip_html ();
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
}
else
phase1_ungetc (c2);
tp->type = token_type_other;
return;
}
case '`':
/* Execution operator. */
default:
/* We could carefully recognize each of the 2 and 3 character
operators, but it is not necessary, as we only need to recognize
gettext invocations. Don't bother. */
tp->type = token_type_other;
return;
}
}
}
static int
phase3_getc ()
{
int lineno;
int c;
if (phase3_pushback_length)
return phase3_pushback[--phase3_pushback_length];
c = phase1_getc ();
if (c == '#')
{
/* sh comment. */
bool last_was_qmark = false;
comment_start ();
lineno = line_number;
for (;;)
{
c = phase1_getc ();
if (c == '\n' || c == EOF)
{
comment_line_end (0);
break;
}
if (last_was_qmark && c == '>')
{
comment_line_end (1);
skip_html ();
break;
}
/* We skip all leading white space, but not EOLs. */
if (!(buflen == 0 && (c == ' ' || c == '\t')))
comment_add (c);
last_was_qmark = (c == '?' || c == '%');
}
last_comment_line = lineno;
return '\n';
}
else if (c == '/')
{
c = phase1_getc ();
switch (c)
{
default:
phase1_ungetc (c);
return '/';
case '*':
{
/* C comment. */
bool last_was_star;
comment_start ();
lineno = line_number;
last_was_star = false;
for (;;)
{
c = phase1_getc ();
if (c == EOF)
break;
/* We skip all leading white space, but not EOLs. */
if (buflen == 0 && (c == ' ' || c == '\t'))
continue;
comment_add (c);
switch (c)
{
case '\n':
comment_line_end (1);
comment_start ();
lineno = line_number;
last_was_star = false;
continue;
case '*':
last_was_star = true;
continue;
case '/':
if (last_was_star)
{
comment_line_end (2);
break;
}
/* FALLTHROUGH */
default:
last_was_star = false;
continue;
}
break;
}
last_comment_line = lineno;
return ' ';
}
case '/':
{
/* C++ comment. */
bool last_was_qmark = false;
comment_start ();
lineno = line_number;
for (;;)
{
c = phase1_getc ();
if (c == '\n' || c == EOF)
{
comment_line_end (0);
break;
}
if (last_was_qmark && c == '>')
{
comment_line_end (1);
skip_html ();
break;
}
/* We skip all leading white space, but not EOLs. */
if (!(buflen == 0 && (c == ' ' || c == '\t')))
comment_add (c);
last_was_qmark = (c == '?' || c == '%');
}
last_comment_line = lineno;
return '\n';
}
}
}
else
return c;
}
static int
phase2_getc ()
{
int c;
if (phase2_pushback_length)
return phase2_pushback[--phase2_pushback_length];
c = phase1_getc ();
switch (c)
{
case '?':
case '%':
{
int c2 = phase1_getc ();
if (c2 == '>')
{
/* ?> and %> terminate PHP mode and switch back to HTML mode. */
skip_html ();
return ' ';
}
phase1_ungetc (c2);
}
break;
case '<':
{
int c2 = phase1_getc ();
/* < / script > terminates PHP mode and switches back to HTML mode. */
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r')
c2 = phase1_getc ();
if (c2 == '/')
{
do
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t' || c2 == '\n' || c2 == '\r');
if (c2 == 's' || c2 == 'S')
{
c2 = phase1_getc ();
if (c2 == 'c' || c2 == 'C')
{
c2 = phase1_getc ();
if (c2 == 'r' || c2 == 'R')
{
c2 = phase1_getc ();
if (c2 == 'i' || c2 == 'I')
{
c2 = phase1_getc ();
if (c2 == 'p' || c2 == 'P')
{
c2 = phase1_getc ();
if (c2 == 't' || c2 == 'T')
{
do
c2 = phase1_getc ();
while (c2 == ' ' || c2 == '\t'
|| c2 == '\n' || c2 == '\r');
if (c2 == '>')
{
skip_html ();
return ' ';
}
}
}
}
}
}
}
}
phase1_ungetc (c2);
}
break;
}
return c;
}
