1*78bc99aaSAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*78bc99aaSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
4*78bc99aaSAndrew Rist * or more contributor license agreements. See the NOTICE file
5*78bc99aaSAndrew Rist * distributed with this work for additional information
6*78bc99aaSAndrew Rist * regarding copyright ownership. The ASF licenses this file
7*78bc99aaSAndrew Rist * to you under the Apache License, Version 2.0 (the
8*78bc99aaSAndrew Rist * "License"); you may not use this file except in compliance
9*78bc99aaSAndrew Rist * with the License. You may obtain a copy of the License at
10*78bc99aaSAndrew Rist *
11*78bc99aaSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*78bc99aaSAndrew Rist *
13*78bc99aaSAndrew Rist * Unless required by applicable law or agreed to in writing,
14*78bc99aaSAndrew Rist * software distributed under the License is distributed on an
15*78bc99aaSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*78bc99aaSAndrew Rist * KIND, either express or implied. See the License for the
17*78bc99aaSAndrew Rist * specific language governing permissions and limitations
18*78bc99aaSAndrew Rist * under the License.
19*78bc99aaSAndrew Rist *
20*78bc99aaSAndrew Rist *************************************************************/
21cdf0e10cSrcweir
22cdf0e10cSrcweir #include <precomp.h>
23cdf0e10cSrcweir #include "cx_c_pp.hxx"
24cdf0e10cSrcweir
25cdf0e10cSrcweir
26cdf0e10cSrcweir
27cdf0e10cSrcweir // NOT FULLY DECLARED SERVICES
28cdf0e10cSrcweir #include "c_dealer.hxx"
29cdf0e10cSrcweir #include <tokens/parseinc.hxx>
30cdf0e10cSrcweir #include <x_parse.hxx>
31cdf0e10cSrcweir #include "all_toks.hxx"
32cdf0e10cSrcweir
33cdf0e10cSrcweir
34cdf0e10cSrcweir namespace cpp
35cdf0e10cSrcweir {
36cdf0e10cSrcweir
Context_Preprocessor(TkpContext & i_rFollowUpContext)37cdf0e10cSrcweir Context_Preprocessor::Context_Preprocessor( TkpContext & i_rFollowUpContext )
38cdf0e10cSrcweir : Cx_Base(&i_rFollowUpContext),
39cdf0e10cSrcweir pContext_Parent(&i_rFollowUpContext),
40cdf0e10cSrcweir pContext_PP_MacroParams( 0 ),
41cdf0e10cSrcweir pContext_PP_Definition( new Context_PP_Definition(i_rFollowUpContext) )
42cdf0e10cSrcweir {
43cdf0e10cSrcweir pContext_PP_MacroParams = new Context_PP_MacroParams(*pContext_PP_Definition);
44cdf0e10cSrcweir }
45cdf0e10cSrcweir
46cdf0e10cSrcweir void
ReadCharChain(CharacterSource & io_rText)47cdf0e10cSrcweir Context_Preprocessor::ReadCharChain( CharacterSource & io_rText )
48cdf0e10cSrcweir {
49cdf0e10cSrcweir jumpOverWhite( io_rText );
50cdf0e10cSrcweir jumpToWhite( io_rText );
51cdf0e10cSrcweir const char * sPP_Keyword = io_rText.CutToken();
52cdf0e10cSrcweir if ( strcmp(sPP_Keyword, "define") == 0 )
53cdf0e10cSrcweir ReadDefine(io_rText);
54cdf0e10cSrcweir else
55cdf0e10cSrcweir ReadDefault(io_rText);
56cdf0e10cSrcweir }
57cdf0e10cSrcweir
58cdf0e10cSrcweir void
AssignDealer(Distributor & o_rDealer)59cdf0e10cSrcweir Context_Preprocessor::AssignDealer( Distributor & o_rDealer )
60cdf0e10cSrcweir {
61cdf0e10cSrcweir Cx_Base::AssignDealer(o_rDealer);
62cdf0e10cSrcweir pContext_PP_MacroParams->AssignDealer(o_rDealer);
63cdf0e10cSrcweir pContext_PP_Definition->AssignDealer(o_rDealer);
64cdf0e10cSrcweir }
65cdf0e10cSrcweir
66cdf0e10cSrcweir void
ReadDefault(CharacterSource & io_rText)67cdf0e10cSrcweir Context_Preprocessor::ReadDefault( CharacterSource & io_rText )
68cdf0e10cSrcweir {
69cdf0e10cSrcweir int o_rCount_BackslashedLineBreaks = 0;
70cdf0e10cSrcweir jumpToEol(io_rText,o_rCount_BackslashedLineBreaks);
71cdf0e10cSrcweir for ( ; o_rCount_BackslashedLineBreaks > 0; --o_rCount_BackslashedLineBreaks )
72cdf0e10cSrcweir Dealer().Deal_Eol();
73cdf0e10cSrcweir
74cdf0e10cSrcweir if (io_rText.CurChar() != NULCH)
75cdf0e10cSrcweir jumpOverEol(io_rText);
76cdf0e10cSrcweir io_rText.CutToken();
77cdf0e10cSrcweir Dealer().Deal_Eol();
78cdf0e10cSrcweir SetNewToken(0);
79cdf0e10cSrcweir SetFollowUpContext( pContext_Parent );
80cdf0e10cSrcweir }
81cdf0e10cSrcweir
82cdf0e10cSrcweir void
ReadDefine(CharacterSource & io_rText)83cdf0e10cSrcweir Context_Preprocessor::ReadDefine( CharacterSource & io_rText )
84cdf0e10cSrcweir {
85cdf0e10cSrcweir jumpOverWhite( io_rText );
86cdf0e10cSrcweir io_rText.CutToken();
87cdf0e10cSrcweir
88cdf0e10cSrcweir char cNext = '\0';
89cdf0e10cSrcweir for ( cNext = io_rText.CurChar();
90cdf0e10cSrcweir static_cast<UINT8>(cNext) > 32 AND cNext != '(';
91cdf0e10cSrcweir cNext = io_rText.MoveOn() )
92cdf0e10cSrcweir { }
93cdf0e10cSrcweir
94cdf0e10cSrcweir bool bMacro = cNext == '(';
95cdf0e10cSrcweir
96cdf0e10cSrcweir if ( NOT bMacro )
97cdf0e10cSrcweir {
98cdf0e10cSrcweir SetNewToken( new Tok_DefineName(io_rText.CutToken()) );
99cdf0e10cSrcweir SetFollowUpContext( pContext_PP_Definition.Ptr() );
100cdf0e10cSrcweir }
101cdf0e10cSrcweir else
102cdf0e10cSrcweir {
103cdf0e10cSrcweir SetNewToken( new Tok_MacroName(io_rText.CutToken()) );
104cdf0e10cSrcweir io_rText.MoveOn();
105cdf0e10cSrcweir io_rText.CutToken();
106cdf0e10cSrcweir SetFollowUpContext( pContext_PP_MacroParams.Ptr() );
107cdf0e10cSrcweir }
108cdf0e10cSrcweir }
109cdf0e10cSrcweir
110cdf0e10cSrcweir
Context_PP_MacroParams(Cx_Base & i_rFollowUpContext)111cdf0e10cSrcweir Context_PP_MacroParams::Context_PP_MacroParams( Cx_Base & i_rFollowUpContext )
112cdf0e10cSrcweir : Cx_Base(&i_rFollowUpContext),
113cdf0e10cSrcweir pContext_PP_Definition(&i_rFollowUpContext)
114cdf0e10cSrcweir {
115cdf0e10cSrcweir }
116cdf0e10cSrcweir
117cdf0e10cSrcweir void
ReadCharChain(CharacterSource & io_rText)118cdf0e10cSrcweir Context_PP_MacroParams::ReadCharChain( CharacterSource & io_rText )
119cdf0e10cSrcweir {
120cdf0e10cSrcweir uintt nLen;
121cdf0e10cSrcweir
122cdf0e10cSrcweir jumpOverWhite( io_rText );
123cdf0e10cSrcweir // KORR_FUTURE Handling line breaks within macro parameters:
124cdf0e10cSrcweir char cSeparator = jumpTo( io_rText, ',', ')' );
125cdf0e10cSrcweir csv_assert( cSeparator != 0 );
126cdf0e10cSrcweir
127cdf0e10cSrcweir static char cBuf[500];
128cdf0e10cSrcweir // KORR_FUTURE, make it still safer, here:
129cdf0e10cSrcweir strcpy( cBuf, io_rText.CutToken() ); // SAFE STRCPY (#100211# - checked)
130cdf0e10cSrcweir for ( nLen = strlen(cBuf);
131cdf0e10cSrcweir nLen > 0 AND cBuf[nLen-1] < 33;
132cdf0e10cSrcweir --nLen )
133cdf0e10cSrcweir { }
134cdf0e10cSrcweir cBuf[nLen] = '\0';
135cdf0e10cSrcweir SetNewToken( new Tok_MacroParameter(cBuf) );
136cdf0e10cSrcweir
137cdf0e10cSrcweir io_rText.MoveOn();
138cdf0e10cSrcweir io_rText.CutToken();
139cdf0e10cSrcweir if ( cSeparator == ',')
140cdf0e10cSrcweir SetFollowUpContext( this );
141cdf0e10cSrcweir else // Must be ')'
142cdf0e10cSrcweir SetFollowUpContext( pContext_PP_Definition );
143cdf0e10cSrcweir }
144cdf0e10cSrcweir
Context_PP_Definition(TkpContext & i_rFollowUpContext)145cdf0e10cSrcweir Context_PP_Definition::Context_PP_Definition( TkpContext & i_rFollowUpContext )
146cdf0e10cSrcweir : Cx_Base(&i_rFollowUpContext),
147cdf0e10cSrcweir pContext_Parent(&i_rFollowUpContext)
148cdf0e10cSrcweir {
149cdf0e10cSrcweir }
150cdf0e10cSrcweir
151cdf0e10cSrcweir void
ReadCharChain(CharacterSource & io_rText)152cdf0e10cSrcweir Context_PP_Definition::ReadCharChain( CharacterSource & io_rText )
153cdf0e10cSrcweir {
154cdf0e10cSrcweir int o_rCount_BackslashedLineBreaks = 0;
155cdf0e10cSrcweir jumpToEol(io_rText,o_rCount_BackslashedLineBreaks);
156cdf0e10cSrcweir for ( ; o_rCount_BackslashedLineBreaks > 0; --o_rCount_BackslashedLineBreaks )
157cdf0e10cSrcweir Dealer().Deal_Eol();
158cdf0e10cSrcweir SetNewToken( new Tok_PreProDefinition(io_rText.CutToken()) );
159cdf0e10cSrcweir if (io_rText.CurChar() != NULCH)
160cdf0e10cSrcweir jumpOverEol(io_rText);
161cdf0e10cSrcweir Dealer().Deal_Eol();
162cdf0e10cSrcweir }
163cdf0e10cSrcweir
164cdf0e10cSrcweir
165cdf0e10cSrcweir } // namespace cpp
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