diff options
Diffstat (limited to 'qemu/dtc/dtc-lexer.l')
| -rw-r--r-- | qemu/dtc/dtc-lexer.l | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/qemu/dtc/dtc-lexer.l b/qemu/dtc/dtc-lexer.l deleted file mode 100644 index 3b41bfca6..000000000 --- a/qemu/dtc/dtc-lexer.l +++ /dev/null @@ -1,250 +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 INCLUDE -%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; - -/* 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 int pop_input_file(void); -%} - -%% -<*>"/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, *tmp, *fn; - /* skip text before line # */ - line = yytext; - while (!isdigit(*line)) - line++; - /* skip digits in line # */ - tmp = line; - while (!isspace(*tmp)) - tmp++; - /* "NULL"-terminate line # */ - *tmp = '\0'; - /* start of filename */ - fn = strchr(tmp + 1, '"') + 1; - /* strip trailing " from filename */ - tmp = strchr(fn, '"'); - *tmp = 0; - /* -1 since #line is the number of the next line */ - srcpos_set_line(xstrdup(fn), atoi(line) - 1); - } - -<*><<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; - } - -<*>"/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)? { - yylval.literal = xstrdup(yytext); - DPRINT("Literal: '%s'\n", yylval.literal); - return DT_LITERAL; - } - -<*>{CHAR_LITERAL} { - yytext[yyleng-1] = '\0'; - yylval.literal = xstrdup(yytext+1); - DPRINT("Character literal: %s\n", yylval.literal); - 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 int pop_input_file(void) -{ - if (srcfile_pop() == 0) - return 0; - - yypop_buffer_state(); - yyin = current_srcfile->f; - - return 1; -} |