source: tools/prettyprinter/lex.ll@ ac10576

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since ac10576 was 8c97ee7, checked in by Thierry Delisle <tdelisle@…>, 8 years ago

Fixed the pretty printer

  • Property mode set to 100644
File size: 4.7 KB
Line 
1/* -*- Mode: C -*-
2 *
3 * Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
4 *
5 * The contents of this file are covered under the licence agreement in the
6 * file "LICENCE" distributed with Cforall.
7 *
8 * lex.ll --
9 *
10 * Author : Rodolfo Gabriel Esteves
11 * Created On : Sat Dec 15 11:45:59 2001
12 * Last Modified By : Peter A. Buhr
13 * Last Modified On : Wed Jun 28 22:57:17 2017
14 * Update Count : 253
15 */
16
17%option stack
18%option yylineno
19
20%{
21#include <list>
22#include <string>
23#include <iostream>
24using namespace std;
25#include "ParserTypes.h"
26#include "parser.hh"
27
28#define RETURN_TOKEN( kind ) yylval.tokenp = new Token( yytext, ws_list, kind ); return kind;
29
30list<string> ws_list;
31string comment_str;
32string code_str;
33%}
34
35integer [0-9]+
36identifier [a-zA-Z_$][0-9a-zA-Z_$]*
37
38simple_escape ['"?\\]
39escape_sequence [\\]{simple_escape}
40c_char [^'\\\n]|{escape_sequence}
41s_char [^"\\\n]|{escape_sequence}
42
43%x C_COMMENT STR C_CODE
44
45/* ---------------------------- Token Section ---------------------------- */
46%%
47<INITIAL,C_CODE>"/*" { /* C style comments */
48 #if defined(DEBUG_ALL) | defined(DEBUG_COMMENT)
49 cerr << "\"/*\" : " << yytext << endl;
50 #endif
51 if ( YYSTATE == C_CODE ) code_str += yytext;
52 else comment_str += yytext;
53 yy_push_state(C_COMMENT);
54 }
55<C_COMMENT>(.|"\n") { /* C style comments */
56 #if defined(DEBUG_ALL) | defined(DEBUG_COMMENT)
57 cerr << "<C_COMMENT>(.|\\n) : " << yytext << endl;
58 #endif
59 if ( yy_top_state() == C_CODE ) code_str += yytext;
60 else comment_str += yytext;
61 }
62<C_COMMENT>"*/" { /* C style comments */
63 #if defined(DEBUG_ALL) | defined(DEBUG_COMMENT)
64 cerr << "<C_COMMENT>\"*/\" : " << yytext << endl;
65 #endif
66 if ( yy_top_state() == C_CODE ) code_str += yytext;
67 else {
68 comment_str += yytext;
69 //cerr << "C COMMENT : " << endl << comment_str << endl;
70 ws_list.push_back( comment_str );
71 comment_str = "";
72 }
73 yy_pop_state();
74 }
75<INITIAL,C_CODE>"//"[^\n]*"\n" { /* C++ style comments */
76 #if defined(DEBUG_ALL) | defined(DEBUG_COMMENT)
77 cerr << "\"//\"[^\\n]*\"\n\" : " << yytext << endl;
78 #endif
79 if ( YYSTATE == C_CODE ) code_str += yytext;
80 else {
81 comment_str += yytext;
82 //cerr << "C++ COMMENT : " << endl << comment_str << endl;
83 ws_list.push_back( comment_str );
84 comment_str = "";
85 }
86 }
87
88";" { RETURN_TOKEN( ';' ) }
89":" { RETURN_TOKEN( ':' ) }
90"|" { RETURN_TOKEN( '|' ) }
91"," { RETURN_TOKEN( ',' ) }
92"<" { RETURN_TOKEN( '<' ) }
93">" { RETURN_TOKEN( '>' ) }
94
95[[:space:]]+ { /* [ \t\n]+ */
96 ws_list.push_back( yytext );
97 //cerr << "WS : " << "\"" << yytext << "\"" << endl;
98 }
99
100<INITIAL>"{" { RETURN_TOKEN( '{' ) }
101<INITIAL>"}" { RETURN_TOKEN( '}' ) }
102<C_CODE>"{" {
103 #if defined(DEBUG_ALL) | defined(DEBUG_C)
104 cerr << "<C_CODE>. : " << yytext << endl;
105 #endif
106 code_str += yytext;
107 RETURN_TOKEN( '{' )
108 }
109<C_CODE>"}" {
110 #if defined(DEBUG_ALL) | defined(DEBUG_C)
111 cerr << "<C_CODE>. : " << yytext << endl;
112 #endif
113 code_str += yytext;
114 RETURN_TOKEN( '}' )
115 }
116
117"%%" { RETURN_TOKEN( MARK ) }
118"%{" { RETURN_TOKEN( LCURL ) }
119<C_CODE>"%}" { RETURN_TOKEN( RCURL ) }
120
121^"%union" { RETURN_TOKEN( UNION ) }
122^"%start" { RETURN_TOKEN( START ) }
123^"%token" { RETURN_TOKEN( TOKEN ) }
124^"%type" { RETURN_TOKEN( TYPE ) }
125^"%left" { RETURN_TOKEN( LEFT ) }
126^"%right" { RETURN_TOKEN( RIGHT ) }
127^"%nonassoc" { RETURN_TOKEN( NONASSOC ) }
128^"%pure_parser" { RETURN_TOKEN( PURE_PARSER ) }
129^"%semantic_parser" { RETURN_TOKEN( SEMANTIC_PARSER ) }
130^"%expect" { RETURN_TOKEN( EXPECT ) }
131^"%thong" { RETURN_TOKEN( THONG ) }
132
133"%prec" { RETURN_TOKEN( PREC ) }
134
135{integer} { RETURN_TOKEN( INTEGER ); }
136[']{c_char}['] { RETURN_TOKEN( CHARACTER ); }
137{identifier} { RETURN_TOKEN( IDENTIFIER ); }
138
139<C_CODE>["]{s_char}*["] { /* hide braces "{}" in strings */
140 #if defined(DEBUG_ALL) | defined(DEBUG_C)
141 cerr << "<C_CODE>. : " << yytext << endl;
142 #endif
143 code_str += yytext;
144 }
145
146<C_CODE>(.|\n) { /* must be last rule of C_CODE */
147 #if defined(DEBUG_ALL) | defined(DEBUG_C)
148 cerr << "<C_CODE>. : " << yytext << endl;
149 #endif
150 code_str += yytext;
151 }
152
153. { printf("UNKNOWN CHARACTER:%s\n", yytext); } /* unknown characters */
154%%
155void lexC(void) {
156 BEGIN(C_CODE);
157}
158
159string lexYacc(void) {
160 BEGIN(INITIAL);
161 //cerr << "CODE: " << endl << code_str << endl;
162 string temp( code_str );
163 code_str = "";
164 return temp;
165}
166
167// Local Variables: //
168// mode: c++ //
169// tab-width: 4 //
170// compile-command: "make install" //
171// End: //
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