Merging changes from AeroXuk/libpostal_windows.

.appveyor.yml

@@ -0,0 +1,26 @@
+version: 1.0.{build}
+
+branches:
+  only:
+    - master
+
+image: Visual Studio 2015
+platform: x64
+
+environment:
+  matrix:
+  - COMPILER: msys2
+    PLATFORM: x64
+    MSYS2_ARCH: x86_64
+    MSYS2_DIR: msys64
+    MSYSTEM: MINGW64
+    BIT: 64
+
+install:
+  -'%APPVEYOR_BUILD_FOLDER%\win_install.bat'
+
+build_script:
+  - '%APPVEYOR_BUILD_FOLDER%\win_build.bat'
+
+test_script:
+  - 'echo No tests yet'

libpostal.def

@@ -0,0 +1,16 @@
+EXPORTS
+libpostal_get_default_options
+libpostal_expand_address
+libpostal_expansion_array_destroy
+libpostal_address_parser_response_destroy
+libpostal_get_address_parser_default_options
+libpostal_parse_address
+libpostal_setup
+libpostal_setup_datadir
+libpostal_teardown
+libpostal_setup_parser
+libpostal_setup_parser_datadir
+libpostal_teardown_parser
+libpostal_setup_language_classifier
+libpostal_setup_language_classifier_datadir
+libpostal_teardown_language_classifier

src/export.h

@@ -0,0 +1,16 @@
+#ifndef EXPORT_H
+#define EXPORT_H
+
+#ifdef _WIN32
+#ifdef LIBPOSTAL_EXPORTS
+#define LIBPOSTAL_EXPORT __declspec(dllexport)
+#else
+#define LIBPOSTAL_EXPORT __declspec(dllimport)
+#endif
+#elif __GNUC__ >= 4
+#define LIBPOSTAL_EXPORT __attribute__ ((visibility("default")))
+#else
+#define LIBPOSTAL_EXPORT
+#endif
+
+#endif //EXPORT_H

src/klib/drand48.c

@@ -0,0 +1,70 @@
+
+/*
+ * Copyright (c) 1993 Martin Birgmeier
+ * All rights reserved.
+
+ * You may redistribute unmodified or modified versions of this source
+ * code provided that the above copyright notice and this and the
+ * following conditions are retained.
+
+ * This software is provided ``as is'', and comes with no warranties
+ * of any kind. I shall in no event be liable for anything that happens
+ * to anyone/anything when using this software.
+*/
+
+//I've rearranged the source into a header-only implementation for drand48()   -Benjamin Kusin
+
+#include <math.h>
+#include "drand48.h"
+
+#define	RAND48_SEED_0	(0x330e)
+#define	RAND48_SEED_1	(0xabcd)
+#define	RAND48_SEED_2	(0x1234)
+#define	RAND48_MULT_0	(0xe66d)
+#define	RAND48_MULT_1	(0xdeec)
+#define	RAND48_MULT_2	(0x0005)
+#define	RAND48_ADD	    (0x000b)
+
+unsigned short _rand48_seed[3] = {
+	RAND48_SEED_0,
+	RAND48_SEED_1,
+	RAND48_SEED_2
+};
+
+unsigned short _rand48_mult[3] = {
+	RAND48_MULT_0,
+	RAND48_MULT_1,
+	RAND48_MULT_2
+};
+
+unsigned short _rand48_add = RAND48_ADD;
+
+void _dorand48(unsigned short xseed[3])
+{
+	unsigned long accu;
+	unsigned short temp[2];
+
+	accu = (unsigned long) _rand48_mult[0] * (unsigned long) xseed[0] + (unsigned long) _rand48_add;
+	temp[0] = (unsigned short) accu;	/* lower 16 bits */
+	accu >>= sizeof(unsigned short) * 8;
+	accu += (unsigned long) _rand48_mult[0] * (unsigned long) xseed[1] + (unsigned long) _rand48_mult[1] * (unsigned long) xseed[0];
+	temp[1] = (unsigned short) accu;	/* middle 16 bits */
+	accu >>= sizeof(unsigned short) * 8;
+	accu += _rand48_mult[0] * xseed[2] + _rand48_mult[1] * xseed[1] + _rand48_mult[2] * xseed[0];
+	xseed[0] = temp[0];
+	xseed[1] = temp[1];
+	xseed[2] = (unsigned short) accu;
+}
+
+double erand48(unsigned short xseed[3])
+{
+	_dorand48(xseed);
+	return ldexp((double) xseed[0], -48) +
+	       ldexp((double) xseed[1], -32) +
+	       ldexp((double) xseed[2], -16);
+}
+
+double drand48(void)
+{
+	return erand48(_rand48_seed);
+}

src/klib/drand48.h

@@ -0,0 +1,41 @@
+
+/*
+ * Copyright (c) 1993 Martin Birgmeier
+ * All rights reserved.
+
+ * You may redistribute unmodified or modified versions of this source
+ * code provided that the above copyright notice and this and the
+ * following conditions are retained.
+
+ * This software is provided ``as is'', and comes with no warranties
+ * of any kind. I shall in no event be liable for anything that happens
+ * to anyone/anything when using this software.
+*/
+
+//I've rearranged the source into a header-only implementation for drand48()   -Benjamin Kusin
+
+#ifndef _DRAND48_H
+#define _DRAND48_H
+
+#define	RAND48_SEED_0	(0x330e)
+#define	RAND48_SEED_1	(0xabcd)
+#define	RAND48_SEED_2	(0x1234)
+#define	RAND48_MULT_0	(0xe66d)
+#define	RAND48_MULT_1	(0xdeec)
+#define	RAND48_MULT_2	(0x0005)
+#define	RAND48_ADD	    (0x000b)
+
+unsigned short _rand48_seed[3];
+
+unsigned short _rand48_mult[3];
+
+unsigned short _rand48_add;
+
+void _dorand48(unsigned short xseed[3]);
+
+double erand48(unsigned short xseed[3]);
+
+double drand48(void);
+
+
+#endif  // _DRAND48_H

src/klib/ksort.h

@@ -45,6 +45,7 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include "drand48.h"
 
 typedef struct {
     void *left, *right;

src/libpostal.c

@@ -57,7 +57,7 @@ static libpostal_normalize_options_t LIBPOSTAL_DEFAULT_OPTIONS = {
         .roman_numerals = true
 };
 
-libpostal_normalize_options_t libpostal_get_default_options(void) {
+LIBPOSTAL_EXPORT libpostal_normalize_options_t libpostal_get_default_options(void) {
     return LIBPOSTAL_DEFAULT_OPTIONS;
 }
 
@@ -942,7 +942,7 @@ static void expand_alternative(cstring_array *strings, khash_t(str_set) *unique_
     char_array_destroy(temp_string);
 }
 
-char **libpostal_expand_address(char *input, libpostal_normalize_options_t options, size_t *n) {
+LIBPOSTAL_EXPORT char **libpostal_expand_address(char *input, libpostal_normalize_options_t options, size_t *n) {
     options.address_components |= LIBPOSTAL_ADDRESS_ANY;
 
     uint64_t normalize_string_options = get_normalize_string_options(options);
@@ -1021,14 +1021,14 @@ char **libpostal_expand_address(char *input, libpostal_normalize_options_t optio
 
 }
 
-void libpostal_expansion_array_destroy(char **expansions, size_t n) {
+LIBPOSTAL_EXPORT void libpostal_expansion_array_destroy(char **expansions, size_t n) {
     for (size_t i = 0; i < n; i++) {
         free(expansions[i]);
     }
     free(expansions);
 }
 
-void libpostal_address_parser_response_destroy(libpostal_address_parser_response_t *self) {
+LIBPOSTAL_EXPORT void libpostal_address_parser_response_destroy(libpostal_address_parser_response_t *self) {
     if (self == NULL) return;
 
     for (size_t i = 0; i < self->num_components; i++) {
@@ -1057,11 +1057,11 @@ static libpostal_address_parser_options_t LIBPOSTAL_ADDRESS_PARSER_DEFAULT_OPTIO
     .country = NULL
 };
 
-inline libpostal_address_parser_options_t libpostal_get_address_parser_default_options(void) {
+LIBPOSTAL_EXPORT inline libpostal_address_parser_options_t libpostal_get_address_parser_default_options(void) {
     return LIBPOSTAL_ADDRESS_PARSER_DEFAULT_OPTIONS;
 }
 
-libpostal_address_parser_response_t *libpostal_parse_address(char *address, libpostal_address_parser_options_t options) {
+LIBPOSTAL_EXPORT libpostal_address_parser_response_t *libpostal_parse_address(char *address, libpostal_address_parser_options_t options) {
     libpostal_address_parser_response_t *parsed = address_parser_parse(address, options.language, options.country);
 
     if (parsed == NULL) {
@@ -1073,7 +1073,7 @@ libpostal_address_parser_response_t *libpostal_parse_address(char *address, libp
     return parsed;
 }
 
-bool libpostal_setup_datadir(char *datadir) {
+LIBPOSTAL_EXPORT bool libpostal_setup_datadir(char *datadir) {
     char *transliteration_path = NULL;
     char *numex_path = NULL;
     char *address_dictionary_path = NULL;
@@ -1114,11 +1114,11 @@ bool libpostal_setup_datadir(char *datadir) {
     return true;
 }
 
-bool libpostal_setup(void) {
+LIBPOSTAL_EXPORT bool libpostal_setup(void) {
     return libpostal_setup_datadir(NULL);
 }
 
-bool libpostal_setup_language_classifier_datadir(char *datadir) {
+LIBPOSTAL_EXPORT bool libpostal_setup_language_classifier_datadir(char *datadir) {
     char *language_classifier_dir = NULL;
 
     if (datadir != NULL) {
@@ -1137,11 +1137,11 @@ bool libpostal_setup_language_classifier_datadir(char *datadir) {
     return true;
 }
 
-bool libpostal_setup_language_classifier(void) {
+LIBPOSTAL_EXPORT bool libpostal_setup_language_classifier(void) {
     return libpostal_setup_language_classifier_datadir(NULL);
 }
 
-bool libpostal_setup_parser_datadir(char *datadir) {
+LIBPOSTAL_EXPORT bool libpostal_setup_parser_datadir(char *datadir) {
     char *parser_dir = NULL;
 
     if (datadir != NULL) {
@@ -1160,11 +1160,11 @@ bool libpostal_setup_parser_datadir(char *datadir) {
     return true;
 }
 
-bool libpostal_setup_parser(void) {
+LIBPOSTAL_EXPORT bool libpostal_setup_parser(void) {
     return libpostal_setup_parser_datadir(NULL);
 }
 
-void libpostal_teardown(void) {
+LIBPOSTAL_EXPORT void libpostal_teardown(void) {
     transliteration_module_teardown();
 
     numex_module_teardown();
@@ -1172,10 +1172,10 @@ void libpostal_teardown(void) {
     address_dictionary_module_teardown();
 }
 
-void libpostal_teardown_language_classifier(void) {
+LIBPOSTAL_EXPORT void libpostal_teardown_language_classifier(void) {
     language_classifier_module_teardown();
 }
 
-void libpostal_teardown_parser(void) {
+LIBPOSTAL_EXPORT void libpostal_teardown_parser(void) {
     address_parser_module_teardown();
 }

src/libpostal.h

@@ -9,6 +9,7 @@ extern "C" {
 #include <stdlib.h>
 #include <stdint.h>
 #include <stdbool.h>
+#include "export.h"
 
 #define LIBPOSTAL_MAX_LANGUAGE_LEN 4
 
@@ -62,11 +63,11 @@ typedef struct libpostal_normalize_options {
 
 } libpostal_normalize_options_t;
 
-libpostal_normalize_options_t libpostal_get_default_options(void);
+LIBPOSTAL_EXPORT libpostal_normalize_options_t libpostal_get_default_options(void);
 
-char **libpostal_expand_address(char *input, libpostal_normalize_options_t options, size_t *n);
+LIBPOSTAL_EXPORT char **libpostal_expand_address(char *input, libpostal_normalize_options_t options, size_t *n);
 
-void libpostal_expansion_array_destroy(char **expansions, size_t n);
+LIBPOSTAL_EXPORT void libpostal_expansion_array_destroy(char **expansions, size_t n);
 
 /*
 Address parser
@@ -83,25 +84,25 @@ typedef struct libpostal_address_parser_options {
     char *country;
 } libpostal_address_parser_options_t;
 
-void libpostal_address_parser_response_destroy(libpostal_address_parser_response_t *self);
+LIBPOSTAL_EXPORT void libpostal_address_parser_response_destroy(libpostal_address_parser_response_t *self);
 
-libpostal_address_parser_options_t libpostal_get_address_parser_default_options(void);
+LIBPOSTAL_EXPORT libpostal_address_parser_options_t libpostal_get_address_parser_default_options(void);
 
-libpostal_address_parser_response_t *libpostal_parse_address(char *address, libpostal_address_parser_options_t options);
+LIBPOSTAL_EXPORT libpostal_address_parser_response_t *libpostal_parse_address(char *address, libpostal_address_parser_options_t options);
 
 // Setup/teardown methods
 
-bool libpostal_setup(void);
+LIBPOSTAL_EXPORT bool libpostal_setup(void);
-bool libpostal_setup_datadir(char *datadir);
+LIBPOSTAL_EXPORT bool libpostal_setup_datadir(char *datadir);
-void libpostal_teardown(void);
+LIBPOSTAL_EXPORT void libpostal_teardown(void);
 
-bool libpostal_setup_parser(void);
+LIBPOSTAL_EXPORT bool libpostal_setup_parser(void);
-bool libpostal_setup_parser_datadir(char *datadir);
+LIBPOSTAL_EXPORT bool libpostal_setup_parser_datadir(char *datadir);
-void libpostal_teardown_parser(void);
+LIBPOSTAL_EXPORT void libpostal_teardown_parser(void);
 
-bool libpostal_setup_language_classifier(void);
+LIBPOSTAL_EXPORT bool libpostal_setup_language_classifier(void);
-bool libpostal_setup_language_classifier_datadir(char *datadir);
+LIBPOSTAL_EXPORT bool libpostal_setup_language_classifier_datadir(char *datadir);
-void libpostal_teardown_language_classifier(void);
+LIBPOSTAL_EXPORT void libpostal_teardown_language_classifier(void);
 
 #ifdef __cplusplus
 }

src/normalize.h

@@ -38,6 +38,7 @@ As well as normalizations for individual string tokens:
 #include "trie.h"
 #include "tokens.h"
 #include "vector.h"
+#include "strndup.h"
 
 #define NORMALIZE_STRING_LATIN_ASCII 1 << 0
 #define NORMALIZE_STRING_TRANSLITERATE 1 << 1

src/string_utils.h

@@ -16,6 +16,7 @@ Utilities for manipulating strings in C.
 #include "collections.h"
 #include "utf8proc/utf8proc.h"
 #include "vector.h"
+#include "strndup.h"
 
 #define MAX_UTF8_CHAR_SIZE 4
 

src/strndup.c

@@ -0,0 +1,16 @@
+#ifndef HAVE_STRNDUP
+
+#include <stdlib.h>
+#include <string.h>
+
+char *strndup(const char *s, size_t n)
+{
+    char* new = malloc(n+1);
+    if (new) {
+        strncpy(new, s, n);
+        new[n] = '\0';
+    }
+    return new;
+}
+
+#endif /* HAVE_STRNDUP */

src/strndup.h

@@ -0,0 +1,6 @@
+#ifndef HAVE_STRNDUP
+#define HAVE_STRNDUP
+
+char *strndup(const char *s, size_t n);
+
+#endif /* HAVE_STRNDUP */

src/tokens.h

@@ -11,6 +11,7 @@
 #include "string_utils.h"
 #include "token_types.h"
 #include "vector.h"
+#include "strndup.h"
 
 typedef struct token {
     size_t offset;

src/transliterate.h

@@ -12,6 +12,7 @@
 #include "trie.h"
 #include "trie_search.h"
 #include "unicode_scripts.h"
+#include "strndup.h"
 
 #define LATIN_ASCII "latin-ascii"
 #define LATIN_ASCII_SIMPLE "latin-ascii-simple"

win_build.bat

@@ -0,0 +1,21 @@
+@echo off
+
+cd %APPVEYOR_BUILD_FOLDER%
+
+echo Compiler: %COMPILER%
+echo Architecture: %MSYS2_ARCH%
+echo Platform: %PLATFORM%
+echo MSYS2 directory: %MSYS2_DIR%
+echo MSYS2 system: %MSYSTEM%
+echo Configuration: %CONFIGURATION%
+echo Bits: %BIT%
+
+IF %COMPILER%==msys2 (
+  @echo on
+  SET "PATH=C:\%MSYS2_DIR%\%MSYSTEM%\bin;C:\%MSYS2_DIR%\usr\bin;%PATH%"
+
+  bash -lc "cd $APPVEYOR_BUILD_FOLDER && . bootstrap.sh"
+  bash -lc "cd $APPVEYOR_BUILD_FOLDER && . configure --datadir=$APPVEYOR_BUILD_FOLDER/data"
+  bash -lc "cd $APPVEYOR_BUILD_FOLDER && make"
+  bash -lc "cd $APPVEYOR_BUILD_FOLDER && make install"
+)

windows/configure.ac

@@ -0,0 +1,105 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+m4_define(LIBPOSTAL_MAJOR_VERSION, [1])
+m4_define(LIBPOSTAL_MINOR_VERSION, [0])
+m4_define(LIBPOSTAL_PATCH_VERSION, [0])
+
+AC_INIT([libpostal], LIBPOSTAL_MAJOR_VERSION.LIBPOSTAL_MINOR_VERSION.LIBPOSTAL_PATCH_VERSION)
+
+AC_CONFIG_MACRO_DIR([m4])
+
+AM_INIT_AUTOMAKE([foreign subdir-objects])
+AC_CONFIG_SRCDIR([src])
+LT_INIT([win32-dll])
+
+AC_CONFIG_HEADERS([config.h])
+
+# Checks for programs.
+AC_PROG_CC_C99
+AC_PROG_INSTALL
+
+LDFLAGS="$LDFLAGS -L/usr/local/lib"
+
+# Checks for libraries.
+AC_SEARCH_LIBS([log],
+  [m],,[AC_MSG_ERROR([Could not find math library])])
+
+# Checks for header files.
+AC_HEADER_STDC
+AC_HEADER_TIME
+AC_HEADER_DIRENT
+AC_HEADER_STDBOOL
+AC_CHECK_HEADERS([fcntl.h float.h inttypes.h limits.h locale.h malloc.h memory.h stddef.h stdint.h stdlib.h string.h unistd.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_INLINE
+AC_TYPE_INT16_T
+AC_TYPE_INT32_T
+AC_TYPE_INT64_T
+AC_TYPE_INT8_T
+AC_TYPE_OFF_T
+AC_TYPE_SIZE_T
+AC_TYPE_SSIZE_T
+AC_TYPE_UINT16_T
+AC_TYPE_UINT32_T
+AC_TYPE_UINT64_T
+AC_TYPE_UINT8_T
+AC_CHECK_TYPES([ptrdiff_t])
+
+# Checks for library functions.
+AC_CHECK_FUNCS([malloc realloc getcwd gettimeofday memmove memset regcomp setlocale sqrt strdup strndup])
+
+AC_CONFIG_FILES([Makefile
+                 libpostal.pc
+                 src/Makefile
+                 test/Makefile])
+
+AC_CHECK_PROG([FOUND_SHUF], [shuf], [yes])
+AC_CHECK_PROG([FOUND_GSHUF], [gshuf], [yes])
+
+AS_IF([test "x$FOUND_SHUF" = xyes],  [AC_DEFINE([HAVE_SHUF], [1], [shuf available])])
+AS_IF([test "x$FOUND_GSHUF" = xyes],  [AC_DEFINE([HAVE_GSHUF], [1], [gshuf available])])
+
+# ------------------------------------------------------------------
+# Checks for SSE2 build
+# ------------------------------------------------------------------
+AC_ARG_ENABLE([sse2],
+    AS_HELP_STRING(
+        [--disable-sse2],
+        [disable SSE2 optimization routines]
+        )
+    )
+
+AS_IF([test "x$enable_sse2" != "xno"], [
+    CFLAGS="-mfpmath=sse -msse2 -DUSE_SSE ${CFLAGS}"
+])
+
+AC_CHECK_HEADER(cblas.h, [AX_CBLAS])
+
+AC_ARG_ENABLE([data-download],
+              [  --disable-data-download    Disable downloading data],
+              [case "${enableval}" in
+                yes)  DOWNLOAD_DATA=true ;;
+                no) DOWNLOAD_DATA=false ;;
+                *) AC_MSG_ERROR([bad value ${enableval} for --disable-data-download]) ;;
+              esac], [DOWNLOAD_DATA=true])
+
+AM_CONDITIONAL([DOWNLOAD_DATA], [test "x$DOWNLOAD_DATA" = "xtrue"])
+
+AC_ARG_WITH(cflags-scanner-extra, [AS_HELP_STRING([--with-cflags-scanner-extra@<:@=VALUE@:>@], [Extra compilation options for scanner.c])],
+[
+ if test "x$withval" = "xno"; then
+    CFLAGS_SCANNER_EXTRA=""
+ else
+   CFLAGS_SCANNER_EXTRA="$withval"
+ fi
+],
+[ CFLAGS_SCANNER_EXTRA="" ]
+)
+
+AC_MSG_NOTICE([extra cflags for scanner.c: $CFLAGS_SCANNER_EXTRA])
+AC_SUBST(CFLAGS_SCANNER_EXTRA)
+AC_SUBST(LIBPOSTAL_SO_VERSION, LIBPOSTAL_MAJOR_VERSION:LIBPOSTAL_MINOR_VERSION:LIBPOSTAL_PATCH_VERSION)
+
+AC_OUTPUT

windows/src/Makefile.am

@@ -0,0 +1,45 @@
+# this version of the makefile skips building the programs. It only builds the libraries and downloads data so you can use the API.
+
+# Inherited from autoconf / user-specified 
+CFLAGS_CONF = @CFLAGS@
+CFLAGS_BASE = -Wall -Wextra -Wno-unused-function -Wformat -Werror=format-security -Winit-self -Wno-sign-compare -DLIBPOSTAL_DATA_DIR='"$(datadir)/libpostal"' -g $(CFLAGS_CONF)
+CFLAGS_O0 = $(CFLAGS_BASE) -O0
+CFLAGS_O1 = $(CFLAGS_BASE) -O1
+CFLAGS_O2 = $(CFLAGS_BASE) -O2
+CFLAGS_O3 = $(CFLAGS_BASE) -O3
+DEFAULT_INCLUDES = -I.. -I/usr/local/include
+
+# Wonky but have to be able to override the user's optimization level to compile the scanner
+# as it takes an unreasonably long time to compile with the optimizer on.
+#EDIT - add UTF8PROC_EXPORTS so builds on windows
+CFLAGS = -D UTF8PROC_EXPORTS -D LIBPOSTAL_EXPORTS
+
+lib_LTLIBRARIES = libpostal.la
+libpostal_la_SOURCES = strndup.c libpostal.c address_dictionary.c transliterate.c tokens.c trie.c trie_search.c trie_utils.c string_utils.c file_utils.c utf8proc/utf8proc.c cmp/cmp.c normalize.c numex.c features.c unicode_scripts.c address_parser.c address_parser_io.c averaged_perceptron.c crf.c crf_context.c sparse_matrix.c averaged_perceptron_tagger.c graph.c graph_builder.c language_classifier.c language_features.c logistic_regression.c logistic.c minibatch.c float_utils.c ngrams.c
+libpostal_la_LIBADD = libscanner.la $(CBLAS_LIBS)
+libpostal_la_CFLAGS = $(CFLAGS_O2)
+libpostal_la_LDFLAGS = -version-info @LIBPOSTAL_SO_VERSION@ -no-undefined
+
+dist_bin_SCRIPTS = libpostal_data
+
+# Scanner can take a very long time to compile with higher optimization levels, so always use -O0, scanner is fast enough
+# On cross-compilation for ARM using gcc-4.7, there are "out of range" errors during compilation that can be fixed by adding
+# -marm option. For that, CFLAGS_SCANNER_EXTRA is provided that can be filled during configuration stage (see ./configure --help). 
+noinst_LTLIBRARIES = libscanner.la
+libscanner_la_SOURCES = klib/drand48.c scanner.c
+libscanner_la_CFLAGS = $(CFLAGS_O0) $(CFLAGS_SCANNER_EXTRA)
+
+
+# program building skipped here
+
+pkginclude_HEADERS = libpostal.h
+
+if DOWNLOAD_DATA
+all-local:
+	${srcdir}/libpostal_data download all $(datadir)/libpostal
+endif
+
+lexer: scanner.re
+	re2c -F -s -b -8 -o scanner.c scanner.re
+
+.PHONY: lexer