Initial commit

.gitignore

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+build/
+Makefile.in
+INSTALL
+aclocal.m4
+autom4te.cache/
+configure
+depcomp
+install-sh
+missing
+*.o

AUTHORS

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+Written by:
+
+        Nick Gasson <nickg@nickg.me.uk>
+

ChangeLog

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+Empty
+

Makefile.am

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+SUBDIRS = src test

NEWS

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+Nothing here yet

README

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+Nothing here yet

autogen.sh

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+aclocal -I m4
+autoconf
+automake -a

config.h.in

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+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Version number of package */
+#undef VERSION

configure.ac

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+AC_INIT([nhdl], [0.1],
+        [Nick Gasson <nick@nick.me.uk>],
+        [xcowsay])
+AM_INIT_AUTOMAKE([-Wall color-tests])
+
+AC_PROG_CC
+AC_PROG_INSTALL
+
+AC_CONFIG_HEADERS([config.h])
+AC_OUTPUT([Makefile src/Makefile test/Makefile])

src/Makefile.am

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+bin_PROGRAMS = nhdl
+
+AM_CFLAGS = -Wall
+
+nhdl_SOURCES = nhdl.c

src/ident.h

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+#ifndef _IDENT_H
+#define _IDENT_H
+
+#include "lib.h"
+
+typedef struct ident *ident_t;
+
+ident_t make_ident(const char *str);
+const char *istr(ident_t ident);
+
+void ident_freeze(void);
+void ident_store(lib_t lib);
+void ident_load(lib_t lib);
+size_t ident_key(ident_t ident);
+
+#endif // _IDENT_H

src/lexer.l

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+/* -*- mode: c -*- */
+
+/*
+ *  Copyright (C) 2008, 2010-2011  Nick Gasson
+ *
+ *  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 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+%{
+#include "tokens.h"
+
+#define YY_INPUT(buf, result, max_size) {    \
+      result = get_next_char(buf, max_size); \
+      if (result <= 0)                       \
+         result = YY_NULL;                   \
+   }
+
+Lvals lvals;
+%}
+
+/* TODO: look at string_literal and character_literal */
+
+ID      [a-zA-Z][a-zA-Z_0-9]*
+STRING  \".*\"
+CHAR    '.'
+COMMENT --.*\n
+INT     [0-9]+
+
+A       [aA]
+B       [bB]
+C       [cC]
+D       [dD]
+E       [eE]
+F       [fF]
+G       [gG]
+H       [hH]
+I       [iI]
+L       [lL]
+N       [nN]
+M       [mM]
+O       [oO]
+P       [pP]
+R       [rR]
+S       [sS]
+T       [tT]
+U       [uU]
+W       [wW]
+Y       [yY]
+X       [xX]
+
+ENTITY        {E}{N}{T}{I}{T}{Y}
+IS            {I}{S}
+END           {E}{N}{D}
+GENERIC       {G}{E}{N}{E}{R}{I}{C}
+PORT          {P}{O}{R}{T}
+CONSTANT      {C}{O}{N}{S}{T}{A}{N}{T}
+CONFIGURATION {C}{O}{N}{F}{I}{G}{U}{R}{A}{T}{I}{O}{N}
+COMPONENT     {C}{O}{M}{P}{O}{N}{E}{N}{T}
+ARCHITECTURE  {A}{R}{C}{H}{I}{T}{E}{C}{T}{U}{R}{E}
+OF            {O}{F}
+BEGIN         {B}{E}{G}{I}{N}
+AND           {A}{N}{D}
+OR            {O}{R}
+XOR           {X}{O}{R}
+XNOR          {X}{N}{O}{R}
+NAND          {N}{A}{N}{D}
+ABS           {A}{B}{S}
+NOT           {N}{O}{T}
+ALL           {A}{L}{L}
+IN            {I}{N}
+OUT           {O}{U}{T}
+BUFFER        {B}{U}{F}{F}{E}{R}
+BUS           {B}{U}{S}
+UNAFFECTED    {U}{N}{A}{F}{F}{E}{C}{T}{E}{D}
+SIGNAL        {S}{I}{G}{N}{A}{L}
+PROCESS       {P}{R}{O}{C}{E}{S}{S}
+WAIT          {W}{A}{I}{T}
+REPORT        {R}{E}{P}{O}{R}{T}
+
+%%
+
+{COMMENT}   { begin_token(yytext); }
+
+{ENTITY}        { begin_token(yytext); return tENTITY; }
+{IS}            { begin_token(yytext); return tIS; }
+{END}           { begin_token(yytext); return tEND; }
+{GENERIC}       { begin_token(yytext); return tGENERIC; }
+{PORT}          { begin_token(yytext); return tPORT; }
+{CONSTANT}      { begin_token(yytext); return tCONSTANT; }
+{COMPONENT}     { begin_token(yytext); return tCOMPONENT; }
+{CONFIGURATION} { begin_token(yytext); return tCONFIGURATION; }
+{ARCHITECTURE}  { begin_token(yytext); return tARCHITECTURE; }
+{OF}            { begin_token(yytext); return tOF; }
+{BEGIN}         { begin_token(yytext); return tBEGIN; }
+{AND}           { begin_token(yytext); return tAND; }
+{OR}            { begin_token(yytext); return tOR; }
+{XOR}           { begin_token(yytext); return tXOR; }
+{XNOR}          { begin_token(yytext); return tXNOR; }
+{NAND}          { begin_token(yytext); return tNAND; }
+{ABS}           { begin_token(yytext); return tABS; }
+{NOT}           { begin_token(yytext); return tNOT; }
+{ALL}           { begin_token(yytext); return tALL; }
+{IN}            { begin_token(yytext); return tIN; }
+{OUT}           { begin_token(yytext); return tOUT; }
+{BUFFER}        { begin_token(yytext); return tBUFFER; }
+{BUS}           { begin_token(yytext); return tBUS; }
+{UNAFFECTED}    { begin_token(yytext); return tUNAFFECTED; }
+{SIGNAL}        { begin_token(yytext); return tSIGNAL; }
+{PROCESS}       { begin_token(yytext); return tPROCESS; }
+{WAIT}          { begin_token(yytext); return tWAIT; }
+{REPORT}        { begin_token(yytext); return tREPORT; }
+
+"("        { begin_token(yytext); return tLPAREN; }
+")"        { begin_token(yytext); return tRPAREN; }
+";"        { begin_token(yytext); return tSEMI; }
+":="       { begin_token(yytext); return tASSIGN; }
+":"        { begin_token(yytext); return tCOLON; }
+"**"       { begin_token(yytext); return tPOWER; }
+","        { begin_token(yytext); return tCOMMA; }
+"<="       { begin_token(yytext); return tLE; }
+{INT}      { begin_token(yytext); return tINT; }
+{STRING}   { begin_token(yytext); return tSTRING; }
+{CHAR}     { begin_token(yytext); return tCHAR; }
+{ID}       { begin_token(yytext); lvals.sval = strdup(yytext); return tID; }
+[ \t\r\n]  { begin_token(yytext); }
+<<EOF>>    { begin_token(yytext); return 0; }
+.          { begin_token(yytext); return tERROR; }
+%%
+

src/lib.h

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+#ifndef _LIB_H
+#define _LIB_H
+
+#include <stdio.h>
+
+typedef struct lib *lib_t;
+
+lib_t find_lib(const char *name);
+lib_t make_lib(const char *name);
+FILE *lib_fopen(lib_t lib, const char *name, const char *mode);
+
+#endif // _LIB_H

src/nhdl.c

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+int main(int argc, char **argv)
+{
+   return 0;
+}

src/tree.h

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+#ifndef _TREE_H
+#define _TREE_H
+
+#include "lib.h"
+
+typedef enum tree_kind {
+   T_ENTITY
+} tree_kind_t;
+
+typedef struct tree *tree_t;
+
+tree_t make_tree(tree_kind_t kind);
+
+void tree_freeze(void);
+void tree_store(lib_t lib, tree_t tree);
+tree_t tree_load(lib_t lib, ident_t ident);
+
+#endif  // _TREE_H

test/Makefile.am

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+check_PROGRAMS = test_lib
+TESTS = $(check_PROGRAMS)
+
+AM_CFLAGS = -I $(top_srcdir)/src
+
+test_lib_SOURCES = test_lib.c

test/test_lib.c

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+#include "lib.h"
+
+#include <check.h>
+
+START_TEST(test_name)
+{
+
+}
+END_TEST
+
+
+int main(void)
+{
+   return 1;
+}
+