From 5eeced508bd0eabb590581284719ac6f7e04e45f Mon Sep 17 00:00:00 2001 From: theflash Date: Mon, 3 Aug 2015 04:18:38 +0200 Subject: [PATCH 1/1] First commit --- .gitignore | 9 + COPYING | 661 ++++++++++++++++++++++++++++++++++++++++++++ Makefile.am | 20 ++ README.md | 0 configure.ac | 27 ++ zilasm/COPYING | 661 ++++++++++++++++++++++++++++++++++++++++++++ zilasm/Makefile.am | 22 ++ zilasm/configure.ac | 40 +++ zilasm/main.c | 26 ++ zilc/COPYING | 661 ++++++++++++++++++++++++++++++++++++++++++++ zilc/Makefile.am | 25 ++ zilc/configure.ac | 44 +++ zilc/element.c | 78 ++++++ zilc/element.h | 77 ++++++ zilc/list.c | 45 +++ zilc/list.h | 33 +++ zilc/main.c | 83 ++++++ zilc/parser.y | 128 +++++++++ zilc/scanner.l | 54 ++++ 19 files changed, 2694 insertions(+) create mode 100644 .gitignore create mode 100644 COPYING create mode 100644 Makefile.am create mode 100644 README.md create mode 100644 configure.ac create mode 100644 zilasm/COPYING create mode 100644 zilasm/Makefile.am create mode 100644 zilasm/configure.ac create mode 100644 zilasm/main.c create mode 100644 zilc/COPYING create mode 100644 zilc/Makefile.am create mode 100644 zilc/configure.ac create mode 100644 zilc/element.c create mode 100644 zilc/element.h create mode 100644 zilc/list.c create mode 100644 zilc/list.h create mode 100644 zilc/main.c create mode 100644 zilc/parser.y create mode 100644 zilc/scanner.l diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..db509fa --- /dev/null +++ b/.gitignore @@ -0,0 +1,9 @@ +aclocal.m4 +compile +configure +config.h.in +depcomp +install-sh +Makefile.in +missing +ylwrap diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..dba13ed --- /dev/null +++ b/COPYING @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/Makefile.am b/Makefile.am new file mode 100644 index 0000000..586d1c2 --- /dev/null +++ b/Makefile.am @@ -0,0 +1,20 @@ +# +# Process this file with automake to produce Makefile.in. +# +# Copyright (C) 2014 Alexander Andrejevic +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see +# + +SUBDIRS = zilasm zilc diff --git a/README.md b/README.md new file mode 100644 index 0000000..e69de29 diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..c25d355 --- /dev/null +++ b/configure.ac @@ -0,0 +1,27 @@ +# +# Process this file with autoconf to produce a configure script. +# +# Copyright (C) 2015 Alexander Andrejevic +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see +# + +AC_PREREQ([2.69]) +AC_INIT([zilutils], [0.1]) + +AM_INIT_AUTOMAKE(foreign) + +AC_CONFIG_FILES([Makefile]) +AC_CONFIG_SUBDIRS([zilasm zilc]) +AC_OUTPUT diff --git a/zilasm/COPYING b/zilasm/COPYING new file mode 100644 index 0000000..dba13ed --- /dev/null +++ b/zilasm/COPYING @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT +HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY +OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM +IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF +ALL NECESSARY SERVICING, REPAIR OR CORRECTION. + + 16. Limitation of Liability. + + IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS +THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY +GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE +USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF +DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD +PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), +EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGES. + + 17. Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, 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 Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/zilasm/Makefile.am b/zilasm/Makefile.am new file mode 100644 index 0000000..eca5dc6 --- /dev/null +++ b/zilasm/Makefile.am @@ -0,0 +1,22 @@ +# +# Process this file with automake to produce Makefile.in. +# +# Copyright (C) 2015 Alexander Andrejevic +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see +# + +bin_PROGRAMS = zilasm + +zilasm_SOURCES = main.c diff --git a/zilasm/configure.ac b/zilasm/configure.ac new file mode 100644 index 0000000..5694903 --- /dev/null +++ b/zilasm/configure.ac @@ -0,0 +1,40 @@ +# +# Process this file with autoconf to produce a configure script. +# +# Copyright (C) 2015 Alexander Andrejevic +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see +# + +AC_PREREQ([2.69]) +AC_INIT([zilasm], [0.1]) +AC_CONFIG_SRCDIR([main.c]) +AC_CONFIG_HEADERS([config.h]) + +AM_INIT_AUTOMAKE(foreign) +AC_CONFIG_FILES([Makefile]) + +# Checks for programs. +AC_PROG_CC + +# Checks for libraries. + +# Checks for header files. +AC_CHECK_HEADERS([stdlib.h]) + +# Checks for typedefs, structures, and compiler characteristics. + +# Checks for library functions. + +AC_OUTPUT diff --git a/zilasm/main.c b/zilasm/main.c new file mode 100644 index 0000000..e8e9f7e --- /dev/null +++ b/zilasm/main.c @@ -0,0 +1,26 @@ +/* + * main.c + * + * Copyright (C) 2015 Alexander Andrejevic + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see + */ + +#include + +int main(int argc, char *argv[], char *envp[]) +{ + // TODO: Everything :) + return EXIT_SUCCESS; +} diff --git a/zilc/COPYING b/zilc/COPYING new file mode 100644 index 0000000..dba13ed --- /dev/null +++ b/zilc/COPYING @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If the Program does not specify a version number of the +GNU Affero General Public License, you may choose any version ever published +by the Free Software Foundation. + + If the Program specifies that a proxy can decide which future +versions of the GNU Affero General Public License can be used, that proxy's +public statement of acceptance of a version permanently authorizes you +to choose that version for the Program. + + Later license versions may give you additional or different +permissions. However, no additional obligations are imposed on any +author or copyright holder as a result of your choosing to follow a +later version. + + 15. Disclaimer of Warranty. + + THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY +APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT +HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY +OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM +IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF +ALL NECESSARY SERVICING, REPAIR OR CORRECTION. + + 16. Limitation of Liability. + + IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS +THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY +GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE +USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF +DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD +PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), +EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGES. + + 17. Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, 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 Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/zilc/Makefile.am b/zilc/Makefile.am new file mode 100644 index 0000000..7d3530e --- /dev/null +++ b/zilc/Makefile.am @@ -0,0 +1,25 @@ +# +# Process this file with automake to produce Makefile.in. +# +# Copyright (C) 2015 Alexander Andrejevic +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see +# + +bin_PROGRAMS = zilc + +AM_YFLAGS = -d + +BUILT_SOURCES = parser.h +zilc_SOURCES = main.c list.c element.c scanner.l parser.y diff --git a/zilc/configure.ac b/zilc/configure.ac new file mode 100644 index 0000000..9ba9493 --- /dev/null +++ b/zilc/configure.ac @@ -0,0 +1,44 @@ +# +# Process this file with autoconf to produce a configure script. +# +# Copyright (C) 2015 Alexander Andrejevic +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see +# + +AC_PREREQ([2.69]) +AC_INIT([zilc], [0.1]) +AC_CONFIG_SRCDIR([main.c]) +AC_CONFIG_HEADERS([config.h]) + +AM_INIT_AUTOMAKE(foreign) +AC_CONFIG_FILES([Makefile]) + +# Checks for programs. +AC_PROG_CC +AC_PROG_LEX +AC_PROG_YACC + +# Checks for libraries. + +# Checks for header files. +AC_CHECK_HEADERS([stdlib.h]) + +# Checks for typedefs, structures, and compiler characteristics. + +# Checks for library functions. +AC_FUNC_STRTOD +AC_CHECK_FUNCS([strdup strndup strtol]) + +AC_OUTPUT diff --git a/zilc/element.c b/zilc/element.c new file mode 100644 index 0000000..07f7ffe --- /dev/null +++ b/zilc/element.c @@ -0,0 +1,78 @@ +/* + * element.c + * + * Copyright (C) 2015 Alexander Andrejevic + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see + */ + +#include +#include "element.h" + +element_t *create_atom(const char *name, int global) +{ + element_t *element = (element_t*)malloc(sizeof(element_t)); + if (element == NULL) return NULL; + + element->type = TYPE_ATOM; + element->atom.name = name; + element->atom.global = global; + + return element; +} + +element_t *create_string(const char *value) +{ + element_t *element = (element_t*)malloc(sizeof(element_t)); + if (element == NULL) return NULL; + + element->type = TYPE_STRING; + element->string.value = value; + + return element; +} + +element_t *create_number(double value) +{ + element_t *element = (element_t*)malloc(sizeof(element_t)); + if (element == NULL) return NULL; + + element->type = TYPE_NUMBER; + element->number.value = value; + + return element; +} + +element_t *create_tuple(list_t *list) +{ + element_t *element = (element_t*)malloc(sizeof(element_t)); + if (element == NULL) return NULL; + + element->type = TYPE_TUPLE; + element->tuple.list = *list; + + return element; +} + +element_t *create_statement(const char *name, list_t *parameters) +{ + element_t *element = (element_t*)malloc(sizeof(element_t)); + if (element == NULL) return NULL; + + element->type = TYPE_STATEMENT; + element->statement.name = name; + element->statement.parameters = *parameters; + + return element; +} diff --git a/zilc/element.h b/zilc/element.h new file mode 100644 index 0000000..c8f7208 --- /dev/null +++ b/zilc/element.h @@ -0,0 +1,77 @@ +/* + * element.h + * + * Copyright (C) 2015 Alexander Andrejevic + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see + */ + +#ifndef __ELEMENT_H__ +#define __ELEMENT_H__ + +#include "list.h" + +enum element_type +{ + TYPE_ATOM, + TYPE_STRING, + TYPE_NUMBER, + TYPE_TUPLE, + TYPE_STATEMENT +}; + +typedef struct element +{ + list_t link; + int type; + + union + { + struct + { + const char *name; + int global; + } atom; + + struct + { + const char *value; + } string; + + struct + { + double value; + } number; + + struct + { + list_t list; + } tuple; + + struct + { + const char *name; + list_t parameters; + } statement; + }; +} element_t; + + +element_t *create_atom(const char *name, int global); +element_t *create_string(const char *value); +element_t *create_number(double value); +element_t *create_tuple(list_t *list); +element_t *create_statement(const char *name, list_t *parameters); + +#endif diff --git a/zilc/list.c b/zilc/list.c new file mode 100644 index 0000000..6b3f5d1 --- /dev/null +++ b/zilc/list.c @@ -0,0 +1,45 @@ +/* + * list.c + * + * Copyright (C) 2015 Alexander Andrejevic + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see + */ + +#include "list.h" + +void list_append(list_t *list, list_t *element) +{ + element->next = list; + element->prev = list->prev; + element->next->prev = element->prev->next = element; +} + +void list_prepend(list_t *list, list_t *element) +{ + element->next = list->next; + element->prev = list; + element->next->prev = element->prev->next = element; +} + +void list_remove(list_t *element) +{ + element->next->prev = element->prev; + element->prev->next = element->next; +} + +void init_list(list_t *list) +{ + list->next = list->prev = list; +} diff --git a/zilc/list.h b/zilc/list.h new file mode 100644 index 0000000..5c80931 --- /dev/null +++ b/zilc/list.h @@ -0,0 +1,33 @@ +/* + * list.h + * + * Copyright (C) 2015 Alexander Andrejevic + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see + */ + +#ifndef __LIST_H__ +#define __LIST_H__ + +typedef struct list +{ + struct list *next, *prev; +} list_t; + +void list_append(list_t *list, list_t *element); +void list_prepend(list_t *list, list_t *element); +void list_remove(list_t *element); +void init_list(list_t *list); + +#endif diff --git a/zilc/main.c b/zilc/main.c new file mode 100644 index 0000000..4b62edf --- /dev/null +++ b/zilc/main.c @@ -0,0 +1,83 @@ +/* + * main.c + * + * Copyright (C) 2015 Alexander Andrejevic + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see + */ + +#include +#include +#include + +int main(int argc, char *argv[], char *envp[]) +{ + int verbose = 0; + extern FILE *yyin; + + while (1) + { + int option_index; + static struct option long_options[] = + { + { "verbose", no_argument, NULL, 'v'}, + { NULL, 0, NULL, 0 } + }; + + int choice = getopt_long(argc, argv, "v", long_options, &option_index); + if (choice == -1) break; + + switch (choice) + { + case 'v': + verbose++; + break; + } + } + + if (optind == argc) + { + fprintf(stderr, "No input files specified.\n"); + return EXIT_FAILURE; + } + + while (optind < argc) + { + char *filename = argv[optind++]; + + yyin = fopen(filename, "r"); + if (yyin == NULL) + { + fprintf(stderr, "Cannot open input file: %s\n", filename); + continue; + } + + switch (yyparse()) + { + case 0: + if (verbose) fprintf(stdout, "%s: Done parsing.\n", filename); + break; + + case 1: + fprintf(stderr, "%s: errors encountered.", filename); + break; + + case 2: + fprintf(stderr, "%s: out of memory.\n", filename); + break; + } + } + + return EXIT_SUCCESS; +} diff --git a/zilc/parser.y b/zilc/parser.y new file mode 100644 index 0000000..3b12436 --- /dev/null +++ b/zilc/parser.y @@ -0,0 +1,128 @@ +/* + * parser.y + * + * Copyright (C) 2015 Alexander Andrejevic + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see + */ + +%{ + +#include "element.h" + +%} + +%union +{ + char *string; + double number; + element_t *element; + list_t list; +} + +%token SEMICOLON +%token LEFT_CHEVRON +%token RIGHT_CHEVRON +%token LEFT_PARENTHESIS +%token RIGHT_PARENTHESIS +%token COMMA + +%token ATOM +%token NUMBER +%token STRING + +%type element_list statement_list +%type element tuple statement + +%start toplevel + +%% + +toplevel : statement_list + { + // TODO + } + +statement_list : /* empty */ + { + init_list(&$$); + } + | statement_list comment + { + /* Skip the comment */ + $$ = $1; + } + | statement_list statement + { + list_append(&$1, &$2->link); + $$ = $1; + } + +statement : LEFT_CHEVRON ATOM element_list RIGHT_CHEVRON + { + $$ = create_statement($2, &$3); + } + +tuple : LEFT_PARENTHESIS element_list RIGHT_PARENTHESIS + { + $$ = create_tuple(&$2); + } + +element_list : /* empty */ + { + init_list(&$$); + } + | element_list comment + { + /* Skip the comment */ + $$ = $1; + } + | element_list element + { + list_append(&$1, &$2->link); + $$ = $1; + } + +element : ATOM + { + $$ = create_atom($1, 0); + } + | COMMA ATOM + { + $$ = create_atom($2, 1); + } + | STRING + { + $$ = create_string($1); + } + | NUMBER + { + $$ = create_number($1); + } + | statement + { + $$ = $1; + } + | tuple + { + $$ = $1; + } + +comment : SEMICOLON element { /* Ignored */ } + +%% + +int yyerror(const char *str) +{ +} diff --git a/zilc/scanner.l b/zilc/scanner.l new file mode 100644 index 0000000..17fe26d --- /dev/null +++ b/zilc/scanner.l @@ -0,0 +1,54 @@ +/* + * scanner.l + * + * Copyright (C) 2015 Alexander Andrejevic + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see + */ + +%{ + +#include +#include "element.h" +#include "parser.h" + +static char *stripquotes(const char *string); + +%} + +%option noyywrap +%option case-insensitive + +atomchar [^\x00-\x20,#';%()\[\]\{\}<>"\\.] + +%% + +; { return SEMICOLON; } +\< { return LEFT_CHEVRON; } +\> { return RIGHT_CHEVRON; } +\( { return LEFT_PARENTHESIS; } +\) { return RIGHT_PARENTHESIS; } +, { return COMMA; } +\*[0-7]+\* { yylval.number = strtol(&yytext[1], NULL, 8); return NUMBER; } +[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)? { yylval.number = strtod(yytext, NULL); return NUMBER; } +{atomchar}({atomchar}|\.)* { yylval.string = strdup(yytext); return ATOM; } +\"[^"]*\" { yylval.string = stripquotes(yytext); return STRING; } +[ \r\n\t\f]+ { /* whitespace */ } + +%% + +static char *stripquotes(const char *string) +{ + return strndup(&string[1], strlen(string) - 2); +} -- 2.31.1