--- /dev/null
+/* xgettext Smalltalk backend.
+ Copyright (C) 2002 Free Software Foundation, Inc.
+
+ This file was written by Bruno Haible <haible@clisp.cons.org>, 2002.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "message.h"
+#include "x-smalltalk.h"
+#include "xgettext.h"
+#include "error.h"
+#include "xmalloc.h"
+#include "exit.h"
+#include "gettext.h"
+
+#define _(s) gettext(s)
+
+/* The relevant parts of the Smalltalk syntax are:
+
+ stringliteral ::= string | stringconst | symconst
+ stringconst ::= "#"string
+ string ::= "'"[char]*"'"
+ symconst ::= "#"symbol
+ symbol ::= id | binsel | keysel[keysel]*
+ keysel ::= id":"
+ id ::= letter[letter|digit]*
+ letter ::= "A".."Z" | "a".."z"
+ digit ::= "0".."9"
+ binsel ::= selchar[selchar]
+ selchar ::= "+" | "-" | "*" | "/" | "~" | "|" | "," | "<" | ">"
+ | "=" | "&" | "@" | "?" | "%" | "\"
+
+ Strings can contain any characters; to include the string delimiter itself,
+ it must be duplicated.
+
+ Character constants are written "$"char
+
+ Comments are enclosed within double quotes.
+
+ In well-formed expressions, {} and [] and () are balanced.
+ */
+
+enum token_type_ty
+{
+ token_type_eof,
+ token_type_uniq, /* # */
+ token_type_symbol, /* symbol */
+ token_type_string_literal, /* string, stringconst, symbolconst */
+ token_type_other /* misc. operator */
+};
+typedef enum token_type_ty token_type_ty;
+
+typedef struct token_ty token_ty;
+struct token_ty
+{
+ token_type_ty type;
+ char *string; /* for token_type_string_literal, token_type_symbol */
+ int line_number;
+};
+
+
+/* Prototypes for local functions. Needed to ensure compiler checking of
+ function argument counts despite of K&R C function definition syntax. */
+static int phase1_getc PARAMS ((void));
+static void phase1_ungetc PARAMS ((int c));
+static inline void comment_start PARAMS ((void));
+static inline void comment_add PARAMS ((int c));
+static inline void comment_line_end PARAMS ((void));
+static void phase2_get PARAMS ((token_ty *tp));
+static void phase2_unget PARAMS ((token_ty *tp));
+static void x_smalltalk_lex PARAMS ((token_ty *tp));
+
+
+/* ======================== Reading of characters. ======================== */
+
+
+/* Real filename, used in error messages about the input file. */
+static const char *real_file_name;
+
+/* Logical filename and line number, used to label the extracted messages. */
+static char *logical_file_name;
+static int line_number;
+
+/* The input file stream. */
+static FILE *fp;
+
+
+/* 1. line_number handling. */
+
+static int
+phase1_getc ()
+{
+ int c = getc (fp);
+
+ if (c == EOF)
+ {
+ if (ferror (fp))
+ error (EXIT_FAILURE, errno, _("error while reading \"%s\""),
+ real_file_name);
+ return EOF;
+ }
+
+ if (c == '\n')
+ line_number++;
+
+ return c;
+}
+
+static void
+phase1_ungetc (c)
+ int c;
+{
+ if (c != EOF)
+ {
+ if (c == '\n')
+ --line_number;
+
+ ungetc (c, fp);
+ }
+}
+
+
+/* Accumulating comments. */
+
+static char *buffer;
+static size_t bufmax;
+static size_t buflen;
+
+static inline void
+comment_start ()
+{
+ buflen = 0;
+}
+
+static inline void
+comment_add (c)
+ int c;
+{
+ if (buflen >= bufmax)
+ {
+ bufmax += 100;
+ buffer = xrealloc (buffer, bufmax);
+ }
+ buffer[buflen++] = c;
+}
+
+static inline void
+comment_line_end ()
+{
+ while (buflen >= 1
+ && (buffer[buflen - 1] == ' ' || buffer[buflen - 1] == '\t'))
+ --buflen;
+ if (buflen >= bufmax)
+ {
+ bufmax += 100;
+ buffer = xrealloc (buffer, bufmax);
+ }
+ buffer[buflen] = '\0';
+ xgettext_comment_add (buffer);
+}
+
+
+/* These are for tracking whether comments count as immediately before
+ keyword. */
+static int last_comment_line;
+static int last_non_comment_line;
+
+
+/* 2. Combine characters into tokens. Discard comments and whitespace. */
+
+/* Maximum used guaranteed to be < 2. */
+static token_ty phase2_pushback[2];
+static int phase2_pushback_length;
+
+static void
+phase2_get (tp)
+ token_ty *tp;
+{
+ static char *buffer;
+ static int bufmax;
+ int bufpos;
+ int c;
+
+ if (phase2_pushback_length)
+ {
+ *tp = phase2_pushback[--phase2_pushback_length];
+ return;
+ }
+
+ tp->string = NULL;
+
+ for (;;)
+ {
+ tp->line_number = line_number;
+ c = phase1_getc ();
+ switch (c)
+ {
+ case EOF:
+ tp->type = token_type_eof;
+ return;
+
+ case '"':
+ {
+ /* Comment. */
+ int lineno;
+
+ comment_start ();
+ lineno = line_number;
+ for (;;)
+ {
+ c = phase1_getc ();
+ if (c == '"' || c == EOF)
+ break;
+ if (c == '\n')
+ {
+ comment_line_end ();
+ comment_start ();
+ }
+ else
+ {
+ /* We skip all leading white space, but not EOLs. */
+ if (!(buflen == 0 && (c == ' ' || c == '\t')))
+ comment_add (c);
+ }
+ }
+ comment_line_end ();
+ last_comment_line = lineno;
+ continue;
+ }
+
+ case '\n':
+ if (last_non_comment_line > last_comment_line)
+ xgettext_comment_reset ();
+ /* FALLTHROUGH */
+ case ' ':
+ case '\t':
+ case '\r':
+ /* Ignore whitespace. */
+ continue;
+ }
+
+ last_non_comment_line = tp->line_number;
+
+ switch (c)
+ {
+ case '\'':
+ /* String literal. */
+ bufpos = 0;
+ for (;;)
+ {
+ c = phase1_getc ();
+ if (c == EOF)
+ break;
+ if (c == '\'')
+ {
+ c = phase1_getc ();
+ if (c != '\'')
+ {
+ phase1_ungetc (c);
+ break;
+ }
+ }
+ if (bufpos >= bufmax)
+ {
+ bufmax += 100;
+ buffer = xrealloc (buffer, bufmax);
+ }
+ buffer[bufpos++] = c;
+ }
+ if (bufpos >= bufmax)
+ {
+ bufmax += 100;
+ buffer = xrealloc (buffer, bufmax);
+ }
+ buffer[bufpos] = 0;
+ tp->type = token_type_string_literal;
+ tp->string = xstrdup (buffer);
+ return;
+
+ case '+':
+ case '-':
+ case '*':
+ case '/':
+ case '~':
+ case '|':
+ case ',':
+ case '<':
+ case '>':
+ case '=':
+ case '&':
+ case '@':
+ case '?':
+ case '%':
+ case '\\':
+ {
+ char *name;
+ int c2 = phase1_getc ();
+ switch (c2)
+ {
+ case '+':
+ case '-':
+ case '*':
+ case '/':
+ case '~':
+ case '|':
+ case ',':
+ case '<':
+ case '>':
+ case '=':
+ case '&':
+ case '@':
+ case '?':
+ case '%':
+ name = xmalloc (3);
+ name[0] = c;
+ name[1] = c2;
+ name[2] = '\0';
+ tp->type = token_type_symbol;
+ tp->string = name;
+ return;
+ default:
+ phase1_ungetc (c2);
+ break;
+ }
+ name = xmalloc (2);
+ name[0] = c;
+ name[1] = '\0';
+ tp->type = token_type_symbol;
+ tp->string = name;
+ return;
+ }
+
+ 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 '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':
+ /* Recognize id or id":"[id":"]* or id":"[id":"]*id. */
+ bufpos = 0;
+ for (;;)
+ {
+ if (bufpos >= bufmax)
+ {
+ bufmax += 100;
+ 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 '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':
+ continue;
+ case ':':
+ if (bufpos >= bufmax)
+ {
+ bufmax += 100;
+ 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 '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':
+ continue;
+ default:
+ phase1_ungetc (c);
+ break;
+ }
+ break;
+ default:
+ phase1_ungetc (c);
+ break;
+ }
+ break;
+ }
+ if (bufpos >= bufmax)
+ {
+ bufmax += 100;
+ buffer = xrealloc (buffer, bufmax);
+ }
+ buffer[bufpos] = '\0';
+ tp->string = xstrdup (buffer);
+ tp->type = token_type_symbol;
+ return;
+
+ case '#':
+ /* Uniquification operator. */
+ tp->type = token_type_uniq;
+ return;
+
+ case '$':
+ c = phase1_getc ();
+ tp->type = token_type_other;
+ return;
+
+ default:
+ tp->type = token_type_other;
+ return;
+ }
+ }
+}
+
+static void
+phase2_unget (tp)
+ token_ty *tp;
+{
+ if (tp->type != token_type_eof)
+ phase2_pushback[phase2_pushback_length++] = *tp;
+}
+
+
+/* 3. Combine "# string_literal" and "# symbol" to a single token. */
+
+static void
+x_smalltalk_lex (tp)
+ token_ty *tp;
+{
+ phase2_get (tp);
+ if (tp->type == token_type_uniq)
+ {
+ token_ty token2;
+
+ phase2_get (&token2);
+ if (token2.type == token_type_symbol
+ || token2.type == token_type_string_literal)
+ {
+ tp->type = token_type_string_literal;
+ tp->string = token2.string;
+ }
+ else
+ phase2_unget (&token2);
+ }
+}
+
+
+/* ========================= Extracting strings. ========================== */
+
+/* The file is broken into tokens. Scan the token stream, looking for the
+ following patterns
+ NLS ? <string>
+ NLS at: <string>
+ NLS at: <string> plural: <string>
+ where <string> is one of
+ string_literal
+ # string_literal
+ # symbol
+ */
+
+void
+extract_smalltalk (f, real_filename, logical_filename, mdlp)
+ FILE *f;
+ const char *real_filename;
+ const char *logical_filename;
+ 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;
+
+ /* Eat tokens until eof is seen. */
+ {
+ /* 0 when no "NLS" has been seen.
+ 1 after "NLS".
+ 2 after "NLS ?".
+ 3 after "NLS at:".
+ 4 after "NLS at: <string>".
+ 5 after "NLS at: <string> plural:". */
+ int state;
+ /* Remember the message containing the msgid, for msgid_plural.
+ Non-NULL in states 4, 5. */
+ message_ty *plural_mp = NULL;
+
+ /* Start state is 0. */
+ state = 0;
+
+ for (;;)
+ {
+ token_ty token;
+
+ x_smalltalk_lex (&token);
+
+ switch (token.type)
+ {
+ case token_type_symbol:
+ state = (strcmp (token.string, "NLS") == 0 ? 1 :
+ strcmp (token.string, "?") == 0 && state == 1 ? 2 :
+ strcmp (token.string, "at:") == 0 && state == 1 ? 3 :
+ strcmp (token.string, "plural:") == 0 && state == 4 ? 5 :
+ 0);
+ free (token.string);
+ break;
+
+ case token_type_string_literal:
+ if (state == 2)
+ {
+ lex_pos_ty pos;
+ pos.file_name = logical_file_name;
+ pos.line_number = token.line_number;
+ remember_a_message (mlp, token.string, &pos);
+ state = 0;
+ break;
+ }
+ if (state == 3)
+ {
+ lex_pos_ty pos;
+ pos.file_name = logical_file_name;
+ pos.line_number = token.line_number;
+ plural_mp = remember_a_message (mlp, token.string, &pos);
+ state = 4;
+ break;
+ }
+ if (state == 5)
+ {
+ lex_pos_ty pos;
+ pos.file_name = logical_file_name;
+ pos.line_number = token.line_number;
+ remember_a_message_plural (plural_mp, token.string, &pos);
+ state = 0;
+ break;
+ }
+ state = 0;
+ free (token.string);
+ break;
+
+ case token_type_uniq:
+ case token_type_other:
+ state = 0;
+ break;
+
+ case token_type_eof:
+ break;
+
+ default:
+ abort ();
+ }
+
+ if (token.type == token_type_eof)
+ break;
+ }
+ }
+
+ /* Close scanner. */
+ fp = NULL;
+ real_file_name = NULL;
+ logical_file_name = NULL;
+ line_number = 0;
+}
--- /dev/null
+#! /bin/sh
+
+# Test of gettext facilities in the GNU smalltalk language.
+# Assumes an fr_FR locale is installed.
+# Assumes the following packages are installed: smalltalk.
+
+tmpfiles=""
+trap 'rm -fr $tmpfiles' 1 2 3 15
+
+tmpfiles="$tmpfiles prog.st"
+cat <<\EOF > prog.st
+PackageLoader fileInPackage: 'I18N' !
+
+Object subclass: #Main
+ instanceVariableNames: ''
+ classVariableNames: 'NLS'
+ poolDictionaries: ''
+ category: 'Program'
+!
+!Main methodsFor: 'running'!
+run
+ | n |
+ NLS := I18N Locale default messages domain: 'prog' localeDirectory: '.'.
+ n := 2.
+ Transcript showCr:
+ (NLS ? '''Your command, please?'', asked the waiter.').
+ Transcript showCr:
+ ((NLS at: 'a piece of cake' plural: '%1 pieces of cake' with: n) bindWith: n).
+ Transcript showCr:
+ ((NLS ? '%1 is replaced by %2.') bindWith: 'FF' with: 'EUR').!
+!
+
+Main new run!
+EOF
+
+tmpfiles="$tmpfiles prog.pot"
+: ${XGETTEXT=xgettext}
+${XGETTEXT} -o prog.pot --omit-header --no-location prog.st
+
+tmpfiles="$tmpfiles prog.ok"
+cat <<EOF > prog.ok
+msgid "'Your command, please?', asked the waiter."
+msgstr ""
+
+#, smalltalk-format
+msgid "a piece of cake"
+msgid_plural "%1 pieces of cake"
+msgstr[0] ""
+msgstr[1] ""
+
+#, smalltalk-format
+msgid "%1 is replaced by %2."
+msgstr ""
+EOF
+
+: ${DIFF=diff}
+${DIFF} prog.ok prog.pot || exit 1
+
+tmpfiles="$tmpfiles fr.po"
+cat <<\EOF > fr.po
+msgid ""
+msgstr ""
+"Content-Type: text/plain; charset=ISO-8859-1\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+msgid "'Your command, please?', asked the waiter."
+msgstr "«Votre commande, s'il vous plait», dit le garçon."
+
+# Les gateaux allemands sont les meilleurs du monde.
+#, smalltalk-format
+msgid "a piece of cake"
+msgid_plural "%1 pieces of cake"
+msgstr[0] "un morceau de gateau"
+msgstr[1] "%1 morceaux de gateau"
+
+# Reverse the arguments.
+#, smalltalk-format
+msgid "%1 is replaced by %2."
+msgstr "%2 remplace %1."
+EOF
+
+tmpfiles="$tmpfiles fr.po.new"
+: ${MSGMERGE=msgmerge}
+${MSGMERGE} -q -o fr.po.new fr.po prog.pot
+
+: ${DIFF=diff}
+${DIFF} fr.po fr.po.new || exit 1
+
+tmpfiles="$tmpfiles fr"
+test -d fr || mkdir fr
+test -d fr/LC_MESSAGES || mkdir fr/LC_MESSAGES
+
+: ${MSGFMT=msgfmt}
+${MSGFMT} -o fr/LC_MESSAGES/prog.mo fr.po
+
+# Test for presence of gst version 2.0.6 or newer.
+(gst --version) >/dev/null 2>/dev/null \
+ || { echo "SKIP: lang-smalltalk"; rm -fr $tmpfiles; exit 77; }
+case `gst --version | sed -n -e 1p | sed -e 's/^[^0-9]*//'` in
+ 0.* | 1.* | 2.0 | 2.0.[0-5])
+ echo "SKIP: lang-smalltalk"; rm -fr $tmpfiles; exit 77;;
+esac
+
+tmpfiles="$tmpfiles prog.ok prog.out"
+: ${DIFF=diff}
+cat <<\EOF > prog.ok
+Loading package I18N
+«Votre commande, s'il vous plait», dit le garçon.
+2 morceaux de gateau
+EUR remplace FF.
+EOF
+
+LANGUAGE= LC_ALL=fr_FR gst -Q prog.st > prog.out || exit 1
+${DIFF} prog.ok prog.out || exit 1
+
+rm -fr $tmpfiles
+
+exit 0