diff options
Diffstat (limited to 'sys/dev/aic7xxx/scan.l')
| -rw-r--r-- | sys/dev/aic7xxx/scan.l | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/sys/dev/aic7xxx/scan.l b/sys/dev/aic7xxx/scan.l deleted file mode 100644 index d77ceddf4c99..000000000000 --- a/sys/dev/aic7xxx/scan.l +++ /dev/null @@ -1,242 +0,0 @@ -%{ -/* - * Lexical Analyzer for the Aic7xxx SCSI Host adapter sequencer assembler. - * - * Copyright (c) 1997 Justin T. Gibbs. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice immediately at the beginning of the file, without modification, - * this list of conditions, and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR - * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $Id$ - */ - -#include <limits.h> -#include <stdio.h> -#include <string.h> -#include <sysexits.h> -#include <sys/queue.h> - -#include "aic7xxx_asm.h" -#include "symbol.h" -#include "y.tab.h" -%} - -PATH [-/A-Za-z0-9_.]*[./][-/A-Za-z0-9_.]* -WORD [A-Za-z_][-A-Za-z_0-9]* -SPACE [ \t]+ - -%x COMMENT - -%% -\n { ++yylineno; } -"/*" { BEGIN COMMENT; /* Enter comment eating state */ } -<COMMENT>"/*" { fprintf(stderr, "Warning! Comment within comment."); } -<COMMENT>\n { ++yylineno; } -<COMMENT>[^*/\n]* ; -<COMMENT>"*"+[^*/\n]* ; -<COMMENT>"/"+[^*/\n]* ; -<COMMENT>"*"+"/" { BEGIN INITIAL; } - -{SPACE} ; - - /* Register/SCB/SRAM definition keywords */ -register { return T_REGISTER; } -const { yylval.value = FALSE; return T_CONST; } -address { return T_ADDRESS; } -access_mode { return T_ACCESS_MODE; } -RW|RO|WO { - if (strcmp(yytext, "RW") == 0) - yylval.value = RW; - else if (strcmp(yytext, "RO") == 0) - yylval.value = RO; - else - yylval.value = WO; - return T_MODE; - } -bit { return T_BIT; } -mask { return T_MASK; } -alias { return T_ALIAS; } -size { return T_SIZE; } -scb { return T_SCB; } -scratch_ram { return T_SRAM; } -accumulator { return T_ACCUM; } -allones { return T_ALLONES; } -allzeros { return T_ALLZEROS; } -none { return T_NONE; } -sindex { return T_SINDEX; } -A { return T_A; } - - /* Opcodes */ -shl { return T_SHL; } -shr { return T_SHR; } -ror { return T_ROR; } -rol { return T_ROL; } -mvi { return T_MVI; } -mov { return T_MOV; } -clr { return T_CLR; } -jmp { return T_JMP; } -jc { return T_JC; } -jnc { return T_JNC; } -je { return T_JE; } -jne { return T_JNE; } -jz { return T_JZ; } -jnz { return T_JNZ; } -call { return T_CALL; } -add { return T_ADD; } -adc { return T_ADC; } -inc { return T_INC; } -dec { return T_DEC; } -stc { return T_STC; } -clc { return T_CLC; } -cmp { return T_CMP; } -xor { return T_XOR; } -test { return T_TEST;} -and { return T_AND; } -or { return T_OR; } -ret { return T_RET; } -nop { return T_NOP; } -.if { return T_IF; } -.else { return T_ELSE; } -.endif { return T_ENDIF; } - - /* Allowed Symbols */ -[-+,:()~|&."{};<>[\]!] { return yytext[0]; } - - /* Number processing */ -0[0-7]* { - yylval.value = strtol(yytext, NULL, 8); - return T_NUMBER; - } - -0[xX][0-9a-fA-F]+ { - yylval.value = strtoul(yytext + 2, NULL, 16); - return T_NUMBER; - } - -[1-9][0-9]* { - yylval.value = strtol(yytext, NULL, 10); - return T_NUMBER; - } - - /* Include Files */ -#include { return T_INCLUDE; } - - /* For parsing C include files with #define foo */ -#define { yylval.value = TRUE; return T_CONST; } - /* Throw away macros */ -#define[^\n]*[()]+[^\n]* ; -{PATH} { yylval.str = strdup(yytext); return T_PATH; } - -{WORD} { yylval.sym = symtable_get(yytext); return T_SYMBOL; } - -. { - char buf[255]; - - snprintf(buf, sizeof(buf), "Invalid character " - "'%c'", yytext[0]); - stop(buf, EX_DATAERR); - } -%% - -typedef struct include { - YY_BUFFER_STATE buffer; - int lineno; - char *filename; - SLIST_ENTRY(include) links; -}include_t; - -SLIST_HEAD(, include) include_stack; - -void -include_file(file_name, type) - char *file_name; - include_type type; -{ - FILE *newfile; - include_t *include; - - newfile = NULL; - /* Try the current directory first */ - if (includes_search_curdir != 0 || type == SOURCE_FILE) - newfile = fopen(file_name, "r"); - - if (newfile == NULL && type != SOURCE_FILE) { - path_entry_t include_dir; - for (include_dir = search_path.slh_first; - include_dir != NULL; - include_dir = include_dir->links.sle_next) { - char fullname[PATH_MAX]; - - if ((include_dir->quoted_includes_only == TRUE) - && (type != QUOTED_INCLUDE)) - continue; - - snprintf(fullname, sizeof(fullname), - "%s/%s", include_dir->directory, file_name); - - if ((newfile = fopen(fullname, "r")) != NULL) - break; - } - } - - if (newfile == NULL) { - perror(file_name); - stop("Unable to open input file", EX_SOFTWARE); - /* NOTREACHED */ - } - include = (include_t *)malloc(sizeof(include_t)); - if (include == NULL) { - stop("Unable to allocate include stack entry", EX_SOFTWARE); - /* NOTREACHED */ - } - include->buffer = YY_CURRENT_BUFFER; - include->lineno = yylineno; - include->filename = yyfilename; - SLIST_INSERT_HEAD(&include_stack, include, links); - yy_switch_to_buffer(yy_create_buffer(newfile, YY_BUF_SIZE)); - yylineno = 1; - yyfilename = strdup(file_name); -} - -int -yywrap() -{ - include_t *include; - - yy_delete_buffer(YY_CURRENT_BUFFER); - (void)fclose(yyin); - if (yyfilename != NULL) - free(yyfilename); - include = include_stack.slh_first; - if (include != NULL) { - yy_switch_to_buffer(include->buffer); - yylineno = include->lineno; - yyfilename = include->filename; - SLIST_REMOVE_HEAD(&include_stack, links); - free(include); - return (0); - } - return (1); -} |