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Diffstat (limited to 'idlc/source/scanner.l')
| -rw-r--r-- | idlc/source/scanner.l | 526 |
1 files changed, 0 insertions, 526 deletions
diff --git a/idlc/source/scanner.l b/idlc/source/scanner.l deleted file mode 100644 index aaf74a564677..000000000000 --- a/idlc/source/scanner.l +++ /dev/null @@ -1,526 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ -/* - * This file is part of the LibreOffice project. - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * This file incorporates work covered by the following license notice: - * - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed - * with this work for additional information regarding copyright - * ownership. The ASF licenses this file to you under the Apache - * License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.apache.org/licenses/LICENSE-2.0 . - */ - -%option yylineno - -%{ -/* - * scanner.ll - Lexical scanner for IDLC 1.0 - */ - -#include <sal/config.h> - -#include <stdlib.h> -#include <string.h> - -#include <o3tl/safeint.hxx> -#include <o3tl/string_view.hxx> -#include <rtl/character.hxx> - -#if defined _MSC_VER -#pragma warning ( push ) -// Silence warnings about redefinition of INT8_MIN etc in stdint.h -// The flex-generated workdir/LexTarget/idlc/source/scanner.cxx defines them prior to these includes -#pragma warning ( disable : 4005 ) -#endif -#include <idlc.hxx> -#if defined _MSC_VER -#pragma warning ( pop ) -#endif -#include <errorhandler.hxx> -#include <fehelper.hxx> - -#include "attributeexceptions.hxx" - - -class AstExpression; -class AstMember; - -#include <parser.hxx> - -/* handle locations */ -static int yycolumn = 1; - -#define YY_USER_ACTION idlc()->setOffset(yycolumn, yycolumn+yyleng-1); \ - yycolumn += yyleng; - -static sal_Int32 beginLine = 0; -static OString docu; - -static int asciiToInteger(char const * s, sal_Int64 * sval, sal_uInt64 * uval) { - bool neg = false; - if (*s == '-') { - neg = true; - ++s; - } - unsigned int base = 10; - if (*s == '0') { - base = 8; - ++s; - if (*s == 'X' || *s == 'x') { - base = 16; - ++s; - } - } - sal_uInt64 val = 0; - for (; *s != 0; ++s) { - unsigned int n; - if (*s >= '0' && *s <= '9') { - n = *s - '0'; - } else { - switch (*s) { - case 'A': - case 'a': - n = 10; - break; - case 'B': - case 'b': - n = 11; - break; - case 'C': - case 'c': - n = 12; - break; - case 'D': - case 'd': - n = 13; - break; - case 'E': - case 'e': - n = 14; - break; - case 'F': - case 'f': - n = 15; - break; - default: - goto done; - } - } - // The following guarantees the invariant val <= SAL_MAX_UINT64 (because - // base and n are sufficiently small), *if* - // std::numeric_limits<sal_uInt64>::max() == SAL_MAX_UINT64: - sal_uInt64 nval = val * base + n; - if (nval < val) { - ErrorHandler::syntaxError( - PS_NoState, idlc()->getLineNumber(), - "integral constant too large"); - val = 0; - break; - } - val = nval; - } - done: - if (neg) { - if (val < SAL_CONST_UINT64(0x8000000000000000)) { - *sval = -static_cast< sal_Int64 >(val); - } else if (val == SAL_CONST_UINT64(0x8000000000000000)) { - *sval = SAL_MIN_INT64; - } else { - ErrorHandler::syntaxError( - PS_NoState, idlc()->getLineNumber(), - "negative integral constant too large"); - *sval = 0; - } - return IDL_INTEGER_LITERAL; - } else if (val <= o3tl::make_unsigned(SAL_MAX_INT64)) { - *sval = static_cast< sal_Int64 >(val); - return IDL_INTEGER_LITERAL; - } else { - *uval = val; - return IDL_INTEGER_ULITERAL; - } -} - -static double asciiToFloat(const char *s) -{ - double d = 0.0; - double e, k; - sal_Int32 neg = 0; - - if (*s == '-') - { - neg = 1; - s++; - } - while (*s >= '0' && *s <= '9') - { - d = (d * 10) + *s - '0'; - s++; - } - if (*s == '.') - { - s++; - e = 10; - while (*s >= '0' && *s <= '9') - { - d += (*s - '0') / (e * 1.0); - e *= 10; - s++; - } - } - if (*s == 'e' || *s == 'E') - { - s++; - if (*s == '-') - { - s++; - } else - { - if (*s == '+') - s++; - e = 0; - while (*s >= '0' && *s <= '9') - { - e = (e * 10) + *s - '0'; - s++; - } - if (e > 0) - { - for (k = 1; e > 0; k *= 10, e--) - ; - d /= k; - } - } - } - if (neg) d *= -1.0; - return d; -} - -static void idlParsePragma(char* pPragma) -{ - OString pragma(pPragma); - sal_Int32 index = pragma.indexOf("include"); - char* begin = pPragma + index + 8; - char* offset = begin; - while (*offset != ',') offset++; - //OString include = pragma.copy(index + 8, offset - begin); - //unused// idlc()->insertInclude(pragma.copy(index + 8, (sal_Int32)(offset - begin))); -} - -static void parseLineAndFile(char* pBuf) -{ - char *r = pBuf; - char *h; - bool bIsInMain = false; - - /* Skip initial '#' */ - if (*r != '#') - return; - - /* Find line number */ - for (r++; *r == ' ' || *r == '\t' || rtl::isAsciiAlpha(static_cast<unsigned char>(*r)); r++) ; - h = r; - for (; *r != '\0' && *r != ' ' && *r != '\t'; r++) ; - *r++ = 0; - idlc()->setLineNumber(sal_uInt32(atol(h))); - yylineno = atol(h); - - /* Find file name, if present */ - for (; *r != '"'; r++) - { - if (*r == '\n' || *r == '\0') - return; - } - h = ++r; - for (; *r != '"'; r++) ; - *r = 0; - if (*h == '\0') - idlc()->setFileName("standard input"); - else - idlc()->setFileName(OString(h)); - - bIsInMain = idlc()->getFileName() == idlc()->getRealFileName(); - idlc()->setInMainfile(bIsInMain); -} - -// Suppress any warnings from generated code: -#ifdef __GNUC__ -#pragma GCC diagnostic ignored "-Wunused-function" -#pragma GCC diagnostic ignored "-Wunused-label" -#elif defined _MSC_VER -/**/ -#ifdef yywrap -#undef yywrap -#define yywrap() 1 -#endif -/**/ -#endif -#define YY_NO_UNISTD_H -%} - -%option noyywrap -%option never-interactive - -%x DOCU -%x COMMENT - -DIGIT [0-9] -OCT_DIGIT [0-7] -HEX_DIGIT [a-fA-F0-9] -CAPITAL [A-Z] -ALPHA [a-zA-Z] -INT_LITERAL [1-9][0-9]* -OCT_LITERAL 0{OCT_DIGIT}* -HEX_LITERAL (0x|0X){HEX_DIGIT}* - -IDENTIFIER_NEW ({ALPHA}({ALPHA}|{DIGIT})*)|({CAPITAL}("_"?({ALPHA}|{DIGIT})+)*) -IDENTIFIER ("_"?({ALPHA}|{DIGIT})+)* - -%% - -[ \t\r]+ ; /* eat up whitespace */ -[\n] { - idlc()->incLineNumber(); - yycolumn = 1; - yylineno++; -} - -attribute return IDL_ATTRIBUTE; -bound return IDL_BOUND; -const return IDL_CONST; -constants return IDL_CONSTANTS; -constrained return IDL_CONSTRAINED; -enum return IDL_ENUM; -exception return IDL_EXCEPTION; -interface return IDL_INTERFACE; -maybeambiguous return IDL_MAYBEAMBIGUOUS; -maybedefault return IDL_MAYBEDEFAULT; -maybevoid return IDL_MAYBEVOID; -module return IDL_MODULE; -needs return IDL_NEEDS; -observes return IDL_OBSERVES; -optional return IDL_OPTIONAL; -property return IDL_PROPERTY; -raises return IDL_RAISES; -readonly return IDL_READONLY; -removable return IDL_REMOVABLE; -service return IDL_SERVICE; -sequence return IDL_SEQUENCE; -singleton return IDL_SINGLETON; -struct return IDL_STRUCT; -transient return IDL_TRANSIENT; -typedef return IDL_TYPEDEF; - -any return IDL_ANY; -boolean return IDL_BOOLEAN; -byte return IDL_BYTE; -char return IDL_CHAR; -double return IDL_DOUBLE; -float return IDL_FLOAT; -hyper return IDL_HYPER; -long return IDL_LONG; -short return IDL_SHORT; -string return IDL_STRING; -type return IDL_TYPE; -unsigned return IDL_UNSIGNED; -void return IDL_VOID; - -TRUE return IDL_TRUE; -True return IDL_TRUE; -FALSE return IDL_FALSE; -False return IDL_FALSE; - -in return IDL_IN; -out return IDL_OUT; -inout return IDL_INOUT; - -get return IDL_GET; -set return IDL_SET; - -published return IDL_PUBLISHED; - -"..." return IDL_ELLIPSIS; - -("-")?{INT_LITERAL}+(l|L|u|U)? { - return asciiToInteger(yytext, &yylval.ival, &yylval.uval); - } - -("-")?{OCT_LITERAL}+(l|L|u|U)? { - return asciiToInteger(yytext, &yylval.ival, &yylval.uval); - } - -("-")?{HEX_LITERAL}+(l|L|u|U)? { - return asciiToInteger(yytext, &yylval.ival, &yylval.uval); - } - -("-")?{DIGIT}+(e|E)(("+"|"-")?{DIGIT}+)?(f|F)? | -("-")?{DIGIT}*"."{DIGIT}+((e|E)("+"|"-")?{DIGIT}+)?(f|F)? { - yylval.dval = asciiToFloat( yytext ); - return IDL_FLOATING_PT_LITERAL; - } - -{IDENTIFIER} { - yylval.sval = new OString(yytext); - return IDL_IDENTIFIER; - } - -\<\< { - yylval.strval = yytext; - return IDL_LEFTSHIFT; - } -\>\> { - yylval.strval = yytext; - return IDL_RIGHTSHIFT; - } -\:\: { - yylval.strval = yytext; - return IDL_SCOPESEPARATOR; - } - -"/*" { - BEGIN( COMMENT ); - docu = OString(); - beginLine = idlc()->getLineNumber(); - } - -"/***" { - BEGIN( COMMENT ); - docu = OString(); - beginLine = idlc()->getLineNumber(); - } - -<COMMENT>[^*]+ { - docu += yytext; - } - -<COMMENT>"*"[^*/]+ { - docu += yytext; - } - -<COMMENT>"**" { - docu += yytext; - } - -<COMMENT>[*]+"/" { - docu = docu.trim(); - sal_Int32 nIndex = 0; - int count = 0; - do { o3tl::getToken(docu, 0, '\n', nIndex ); count++; } while( nIndex != -1 ); - idlc()->setLineNumber( beginLine + count - 1); - BEGIN( INITIAL ); - } - -"/**" { - BEGIN( DOCU ); - docu = OString(); - beginLine = idlc()->getLineNumber(); - } - -<DOCU>[^*\n]+ { - docu += yytext; - } - -<DOCU>"\n"[ \t]*"*"{1} { - idlc()->setLineNumber( idlc()->getLineNumber() + 1); - docu += "\n"; - } - -<DOCU>"\n" { - idlc()->setLineNumber( idlc()->getLineNumber() + 1); - docu += yytext; - } - -<DOCU>"*"[^*^/\n]* { - docu += yytext; - } - -<DOCU>"\n"[ \t]*"*/" { - docu = docu.trim(); - sal_Int32 nIndex = 0; - int count = 0; - do { o3tl::getToken(docu, 0, '\n', nIndex ); count++; } while( nIndex != -1 ); - idlc()->setLineNumber( beginLine + count - 1); - if ( (nIndex = docu.indexOf("/*")) >= 0 || (nIndex = docu.indexOf("///")) >= 0 ) - { - if ( 0 != nIndex && - (docu[nIndex - 1] != '"' && docu[nIndex - 1] != ':') ) - ErrorHandler::syntaxError(PS_NoState, idlc()->getLineNumber(), - "nested documentation strings are not allowed!"); - } - idlc()->setDocumentation(docu); - BEGIN( INITIAL ); - } - -<DOCU>"*/" { - docu = docu.trim(); - sal_Int32 nIndex = 0; - int count = 0; - do { o3tl::getToken(docu, 0, '\n', nIndex ); count++; } while( nIndex != -1 ); - idlc()->setLineNumber( beginLine + count - 1); - if ( docu.indexOf("/*") >= 0 || docu.indexOf("//") >= 0 ) - { - if ( 0 != nIndex && - (docu[nIndex - 1] != '"' && docu[nIndex - 1] != ':') ) - ErrorHandler::syntaxError(PS_NoState, idlc()->getLineNumber(), - "nested documentation strings are not allowed!"); - } - idlc()->setDocumentation(docu); - BEGIN( INITIAL ); - } - -"//"[^/]{1}.*"\n" { - /* only a comment */ - OString docStr(yytext); - docStr = docStr.copy( 0, docStr.lastIndexOf('\n') ); - docStr = docStr.copy( docStr.lastIndexOf('/')+1 ); - docStr = docStr.trim(); - idlc()->incLineNumber(); - } - -"///".*"\n" { - OString docStr(yytext); - docStr = docStr.copy( 0, docStr.lastIndexOf('\n') ); - docStr = docStr.copy( docStr.lastIndexOf('/')+1 ); - docStr = docStr.trim(); - idlc()->incLineNumber(); - idlc()->setDocumentation(docStr); - } - -. return yytext[0]; - -^#[ \t]*line[ \t]*[0-9]*" ""\""[^\"]*"\""\n { - parseLineAndFile(yytext); -} - -^#[ \t]*[0-9]*" ""\""[^\"]*"\""" "[0-9]*\n { - parseLineAndFile(yytext); -} - -^#[ \t]*[0-9]*" ""\""[^\"]*"\""\n { - parseLineAndFile(yytext); -} - -^#[ \t]*[0-9]*\n { - parseLineAndFile(yytext); -} - -^#[ \t]*ident.*\n { - /* ignore cpp ident */ - idlc()->incLineNumber(); -} - -^#[ \t]*pragma[ \t].*\n { /* remember pragma */ - idlParsePragma(yytext); - idlc()->incLineNumber(); -} - -%% - -/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |