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-rw-r--r--scripts/dtc/dtc-lexer.l306
1 files changed, 0 insertions, 306 deletions
diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
deleted file mode 100644
index fd825ebba6..0000000000
--- a/scripts/dtc/dtc-lexer.l
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
- *
- *
- * 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 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-%option noyywrap nounput noinput never-interactive
-
-%x BYTESTRING
-%x PROPNODENAME
-%s V1
-
-PROPNODECHAR [a-zA-Z0-9,._+*#?@-]
-PATHCHAR ({PROPNODECHAR}|[/])
-LABEL [a-zA-Z_][a-zA-Z0-9_]*
-STRING \"([^\\"]|\\.)*\"
-CHAR_LITERAL '([^']|\\')*'
-WS [[:space:]]
-COMMENT "/*"([^*]|\*+[^*/])*\*+"/"
-LINECOMMENT "//".*\n
-
-%{
-#include "dtc.h"
-#include "srcpos.h"
-#include "dtc-parser.tab.h"
-
-YYLTYPE yylloc;
-extern bool treesource_error;
-
-/* CAUTION: this will stop working if we ever use yyless() or yyunput() */
-#define YY_USER_ACTION \
- { \
- srcpos_update(&yylloc, yytext, yyleng); \
- }
-
-/*#define LEXDEBUG 1*/
-
-#ifdef LEXDEBUG
-#define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__)
-#else
-#define DPRINT(fmt, ...) do { } while (0)
-#endif
-
-static int dts_version = 1;
-
-#define BEGIN_DEFAULT() DPRINT("<V1>\n"); \
- BEGIN(V1); \
-
-static void push_input_file(const char *filename);
-static bool pop_input_file(void);
-static void PRINTF(1, 2) lexical_error(const char *fmt, ...);
-
-%}
-
-%%
-<*>"/include/"{WS}*{STRING} {
- char *name = strchr(yytext, '\"') + 1;
- yytext[yyleng-1] = '\0';
- push_input_file(name);
- }
-
-<*>^"#"(line)?[ \t]+[0-9]+[ \t]+{STRING}([ \t]+[0-9]+)? {
- char *line, *fnstart, *fnend;
- struct data fn;
- /* skip text before line # */
- line = yytext;
- while (!isdigit((unsigned char)*line))
- line++;
-
- /* regexp ensures that first and list "
- * in the whole yytext are those at
- * beginning and end of the filename string */
- fnstart = memchr(yytext, '"', yyleng);
- for (fnend = yytext + yyleng - 1;
- *fnend != '"'; fnend--)
- ;
- assert(fnstart && fnend && (fnend > fnstart));
-
- fn = data_copy_escape_string(fnstart + 1,
- fnend - fnstart - 1);
-
- /* Don't allow nuls in filenames */
- if (memchr(fn.val, '\0', fn.len - 1))
- lexical_error("nul in line number directive");
-
- /* -1 since #line is the number of the next line */
- srcpos_set_line(xstrdup(fn.val), atoi(line) - 1);
- data_free(fn);
- }
-
-<*><<EOF>> {
- if (!pop_input_file()) {
- yyterminate();
- }
- }
-
-<*>{STRING} {
- DPRINT("String: %s\n", yytext);
- yylval.data = data_copy_escape_string(yytext+1,
- yyleng-2);
- return DT_STRING;
- }
-
-<*>"/dts-v1/" {
- DPRINT("Keyword: /dts-v1/\n");
- dts_version = 1;
- BEGIN_DEFAULT();
- return DT_V1;
- }
-
-<*>"/plugin/" {
- DPRINT("Keyword: /plugin/\n");
- return DT_PLUGIN;
- }
-
-<*>"/memreserve/" {
- DPRINT("Keyword: /memreserve/\n");
- BEGIN_DEFAULT();
- return DT_MEMRESERVE;
- }
-
-<*>"/bits/" {
- DPRINT("Keyword: /bits/\n");
- BEGIN_DEFAULT();
- return DT_BITS;
- }
-
-<*>"/delete-property/" {
- DPRINT("Keyword: /delete-property/\n");
- DPRINT("<PROPNODENAME>\n");
- BEGIN(PROPNODENAME);
- return DT_DEL_PROP;
- }
-
-<*>"/delete-node/" {
- DPRINT("Keyword: /delete-node/\n");
- DPRINT("<PROPNODENAME>\n");
- BEGIN(PROPNODENAME);
- return DT_DEL_NODE;
- }
-
-<*>{LABEL}: {
- DPRINT("Label: %s\n", yytext);
- yylval.labelref = xstrdup(yytext);
- yylval.labelref[yyleng-1] = '\0';
- return DT_LABEL;
- }
-
-<V1>([0-9]+|0[xX][0-9a-fA-F]+)(U|L|UL|LL|ULL)? {
- char *e;
- DPRINT("Integer Literal: '%s'\n", yytext);
-
- errno = 0;
- yylval.integer = strtoull(yytext, &e, 0);
-
- if (*e && e[strspn(e, "UL")]) {
- lexical_error("Bad integer literal '%s'",
- yytext);
- }
-
- if (errno == ERANGE)
- lexical_error("Integer literal '%s' out of range",
- yytext);
- else
- /* ERANGE is the only strtoull error triggerable
- * by strings matching the pattern */
- assert(errno == 0);
- return DT_LITERAL;
- }
-
-<*>{CHAR_LITERAL} {
- struct data d;
- DPRINT("Character literal: %s\n", yytext);
-
- d = data_copy_escape_string(yytext+1, yyleng-2);
- if (d.len == 1) {
- lexical_error("Empty character literal");
- yylval.integer = 0;
- } else {
- yylval.integer = (unsigned char)d.val[0];
-
- if (d.len > 2)
- lexical_error("Character literal has %d"
- " characters instead of 1",
- d.len - 1);
- }
-
- data_free(d);
- return DT_CHAR_LITERAL;
- }
-
-<*>\&{LABEL} { /* label reference */
- DPRINT("Ref: %s\n", yytext+1);
- yylval.labelref = xstrdup(yytext+1);
- return DT_REF;
- }
-
-<*>"&{/"{PATHCHAR}*\} { /* new-style path reference */
- yytext[yyleng-1] = '\0';
- DPRINT("Ref: %s\n", yytext+2);
- yylval.labelref = xstrdup(yytext+2);
- return DT_REF;
- }
-
-<BYTESTRING>[0-9a-fA-F]{2} {
- yylval.byte = strtol(yytext, NULL, 16);
- DPRINT("Byte: %02x\n", (int)yylval.byte);
- return DT_BYTE;
- }
-
-<BYTESTRING>"]" {
- DPRINT("/BYTESTRING\n");
- BEGIN_DEFAULT();
- return ']';
- }
-
-<PROPNODENAME>\\?{PROPNODECHAR}+ {
- DPRINT("PropNodeName: %s\n", yytext);
- yylval.propnodename = xstrdup((yytext[0] == '\\') ?
- yytext + 1 : yytext);
- BEGIN_DEFAULT();
- return DT_PROPNODENAME;
- }
-
-"/incbin/" {
- DPRINT("Binary Include\n");
- return DT_INCBIN;
- }
-
-<*>{WS}+ /* eat whitespace */
-<*>{COMMENT}+ /* eat C-style comments */
-<*>{LINECOMMENT}+ /* eat C++-style comments */
-
-<*>"<<" { return DT_LSHIFT; };
-<*>">>" { return DT_RSHIFT; };
-<*>"<=" { return DT_LE; };
-<*>">=" { return DT_GE; };
-<*>"==" { return DT_EQ; };
-<*>"!=" { return DT_NE; };
-<*>"&&" { return DT_AND; };
-<*>"||" { return DT_OR; };
-
-<*>. {
- DPRINT("Char: %c (\\x%02x)\n", yytext[0],
- (unsigned)yytext[0]);
- if (yytext[0] == '[') {
- DPRINT("<BYTESTRING>\n");
- BEGIN(BYTESTRING);
- }
- if ((yytext[0] == '{')
- || (yytext[0] == ';')) {
- DPRINT("<PROPNODENAME>\n");
- BEGIN(PROPNODENAME);
- }
- return yytext[0];
- }
-
-%%
-
-static void push_input_file(const char *filename)
-{
- assert(filename);
-
- srcfile_push(filename);
-
- yyin = current_srcfile->f;
-
- yypush_buffer_state(yy_create_buffer(yyin, YY_BUF_SIZE));
-}
-
-
-static bool pop_input_file(void)
-{
- if (srcfile_pop() == 0)
- return false;
-
- yypop_buffer_state();
- yyin = current_srcfile->f;
-
- return true;
-}
-
-static void lexical_error(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- srcpos_verror(&yylloc, "Lexical error", fmt, ap);
- va_end(ap);
-
- treesource_error = true;
-}
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