1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
#include "libwriter.h"
#include <sstream>
#include <algorithm>
#include <fstream>
void libwriter::get_var_name( const std::string& n, std::string& nn ) {
nn = std::string( n.c_str() );
for( int i = 0; i <(int)n.length(); i++ ){
char c = n[i];
if (c <= 47)
c += 65;
else if (c >= 58 && c <= 64)
c += 97-58;
if ((c >= 91 && c <= 94) || c == 96)
c += 104-91;
else if (c >= 123)
c -= 4;
nn[i] = c;
}
}
void libwriter::write_file()
{
//std::cout << "write lib" << std::endl;
std::ostringstream os_enum;
std::ostringstream os_print;
std::ostringstream os_constructor_h;
std::ostringstream os_constructor_c;
for ( int a=0; a<(int)syms.size(); a++ ) {
//std::cout << "sym #" << (a+1) << ": ";
//std::cout << ((SymSExpr*)syms[a])->s.c_str() << std::endl;
//defs[a]->print( std::cout );
//std::cout << std::endl;
if( defs[a]->getclass()==CEXPR ){
//calculate which arguments are required for input
std::vector< Expr* > args;
std::vector< bool > argsNeed;
std::vector< Expr* > argTypes;
CExpr* c = ((CExpr*)defs[a]);
while( c->getop()==PI ){
//std::cout << c->kids[0] << std::endl;
if( ((CExpr*)c->kids[1])->getop()!=RUN ){
args.push_back( c->kids[0] );
argsNeed.push_back( true );
argTypes.push_back( c->kids[1] );
}
for( int b=0; b<(int)args.size(); b++ ){
if( argsNeed[b] ){
if( ((CExpr*)c->kids[1])->getop()==RUN ){
if( ((CExpr*)c->kids[1])->kids[1]->free_in( args[b] ) ){
argsNeed[b] = false;
}
}else{
if( c->kids[1]->free_in( args[b] ) ){
argsNeed[b] = false;
}
}
}
}
c = (CExpr*)(c->kids[2]);
}
//record if this declares a judgement
if( ((CExpr*)defs[a])->getop()==PI && c->getop()==TYPE ){
//std::cout << "This is a judgement" << std::endl;
judgements.push_back( syms[a] );
//record if this declares a proof rule
}else if( c->getclass()==CEXPR && std::find( judgements.begin(), judgements.end(), c->kids[0] )!=judgements.end() ){
std::cout << "Handle rule: " << ((SymSExpr*)syms[a])->s.c_str() << std::endl;
//std::cout << "These are required to input:" << std::endl;
//for( int b=0; b<(int)args.size(); b++ ){
// if( argsNeed[b] ){
// std::cout << ((SymSExpr*)args[b])->s.c_str() << std::endl;
// }
//}
os_enum << " rule_" << ((SymSExpr*)syms[a])->s.c_str() << "," << std::endl;
os_print << " case rule_" << ((SymSExpr*)syms[a])->s.c_str() << ": os << \"";
os_print << ((SymSExpr*)syms[a])->s.c_str() << "\";break;" << std::endl;
std::ostringstream os_args;
os_args << "(";
bool firstTime = true;
for( int b=0; b<(int)args.size(); b++ ){
if( argsNeed[b] ){
if( !firstTime )
os_args << ",";
std::string str;
get_var_name( ((SymSExpr*)args[b])->s, str );
os_args << " LFSCProof* " << str.c_str();
firstTime = false;
}
}
if( !firstTime ){
os_args << " ";
}
os_args << ")";
os_constructor_h << " static LFSCProof* make_" << ((SymSExpr*)syms[a])->s.c_str();
os_constructor_h << os_args.str().c_str() << ";" << std::endl;
os_constructor_c << "LFSCProof* LFSCProof::make_" << ((SymSExpr*)syms[a])->s.c_str();
os_constructor_c << os_args.str().c_str() << "{" << std::endl;
os_constructor_c << " LFSCProof **kids = new LFSCProof *[" << (int)args.size()+1 << "];" << std::endl;
for( int b=0; b<(int)args.size(); b++ ){
os_constructor_c << " kids[" << b << "] = ";
if( argsNeed[b] ){
std::string str;
get_var_name( ((SymSExpr*)args[b])->s, str );
os_constructor_c << str.c_str();
}else{
os_constructor_c << "hole";
}
os_constructor_c << ";" << std::endl;
}
os_constructor_c << " kids[" << (int)args.size() << "] = 0;" << std::endl;
os_constructor_c << " return new LFSCProofC( rule_" << ((SymSExpr*)syms[a])->s.c_str() << ", kids );" << std::endl;
os_constructor_c << "}" << std::endl << std::endl;
}
}
//write the header
static std::string filename( "lfsc_proof" );
std::fstream fsh;
std::string fnameh( filename );
fnameh.append(".h");
fsh.open( fnameh.c_str(), std::ios::out );
fsh << "#ifndef LFSC_PROOF_LIB_H" << std::endl;
fsh << "#define LFSC_PROOF_LIB_H" << std::endl;
fsh << std::endl;
fsh << "#include <string>" << std::endl;
fsh << std::endl;
fsh << "class LFSCProof{" << std::endl;
fsh << "protected:" << std::endl;
fsh << " enum{" << std::endl;
fsh << os_enum.str().c_str();
fsh << " };" << std::endl;
fsh << " static LFSCProof* hole;" << std::endl;
fsh << " LFSCProof(){}" << std::endl;
fsh << "public:" << std::endl;
fsh << " virtual ~LFSCProof(){}" << std::endl;
fsh << " static void init();" << std::endl;
fsh << std::endl;
fsh << " //functions to build LFSC proofs" << std::endl;
fsh << os_constructor_h.str().c_str();
fsh << std::endl;
fsh << " virtual void set_child( int i, LFSCProof* e ) {}" << std::endl;
fsh << " virtual void print( std::ostream& os ){}" << std::endl;
fsh << "};" << std::endl;
fsh << std::endl;
fsh << "class LFSCProofC : public LFSCProof{" << std::endl;
fsh << " short id;" << std::endl;
fsh << " LFSCProof **kids;" << std::endl;
fsh << "public:" << std::endl;
fsh << " LFSCProofC( short d_id, LFSCProof **d_kids ) : id( d_id ), kids( d_kids ){}" << std::endl;
fsh << " void set_child( int i, LFSCProof* e ) { kids[i] = e; }" << std::endl;
fsh << " void print( std::ostream& os );" << std::endl;
fsh << "};" << std::endl;
fsh << std::endl;
fsh << "class LFSCProofSym : public LFSCProof{" << std::endl;
fsh << "private:" << std::endl;
fsh << " std::string s;" << std::endl;
fsh << " LFSCProofSym( std::string ss ) : s( ss ){}" << std::endl;
fsh << "public:" << std::endl;
fsh << " static LFSCProofSym* make( std::string ss ) { return new LFSCProofSym( ss ); }" << std::endl;
fsh << " static LFSCProofSym* make( const char* ss ) { return new LFSCProofSym( std::string( ss ) ); }" << std::endl;
fsh << " ~LFSCProofSym(){}" << std::endl;
fsh << " void print( std::ostream& os ) { os << s.c_str(); }" << std::endl;
fsh << "};" << std::endl;
fsh << std::endl;
fsh << "class LFSCProofLam : public LFSCProof{" << std::endl;
fsh << " LFSCProofSym* var;" << std::endl;
fsh << " LFSCProof* body;" << std::endl;
fsh << " LFSCProof* typ;" << std::endl;
fsh << " LFSCProofLam( LFSCProofSym* d_var, LFSCProof* d_body, LFSCProof* d_typ ) : var( d_var ), body( d_body ), typ( d_typ ){}" << std::endl;
fsh << "public:" << std::endl;
fsh << " static LFSCProof* make( LFSCProofSym* d_var, LFSCProof* d_body, LFSCProof* d_typ = NULL ) {" << std::endl;
fsh << " return new LFSCProofLam( d_var, d_body, d_typ );" << std::endl;
fsh << " }" << std::endl;
fsh << " ~LFSCProofLam(){}" << std::endl;
fsh << std::endl;
fsh << " void print( std::ostream& os );" << std::endl;
fsh << "};" << std::endl;
fsh << std::endl;
fsh << "#endif" << std::endl;
//write the cpp
std::fstream fsc;
std::string fnamec( filename );
fnamec.append(".cpp");
fsc.open( fnamec.c_str(), std::ios::out );
fsc << "#include \"lfsc_proof.h\"" << std::endl;
fsc << std::endl;
fsc << "LFSCProof* LFSCProof::hole = NULL;" << std::endl;
fsc << std::endl;
fsc << "void LFSCProof::init(){" << std::endl;
fsc << " hole = LFSCProofSym::make( \"_\" );" << std::endl;
fsc << "}" << std::endl;
fsc << std::endl;
fsc << "void LFSCProofC::print( std::ostream& os ){" << std::endl;
fsc << " os << \"(\";" << std::endl;
fsc << " switch( id ){" << std::endl;
fsc << os_print.str().c_str();
fsc << " }" << std::endl;
fsc << " int counter = 0;" << std::endl;
fsc << " while( kids[counter] ){" << std::endl;
fsc << " os << \" \";" << std::endl;
fsc << " kids[counter]->print( os );" << std::endl;
fsc << " counter++;" << std::endl;
fsc << " }" << std::endl;
fsc << " os << \")\";" << std::endl;
fsc << "}" << std::endl;
fsc << std::endl;
fsc << "void LFSCProofLam::print( std::ostream& os ){" << std::endl;
fsc << " os << \"(\";" << std::endl;
fsc << " if( typ ){" << std::endl;
fsc << " os << \"% \";" << std::endl;
fsc << " }else{" << std::endl;
fsc << " os << \"\\\\ \";" << std::endl;
fsc << " }" << std::endl;
fsc << " var->print( os );" << std::endl;
fsc << " if( typ ){" << std::endl;
fsc << " os << \" \";" << std::endl;
fsc << " typ->print( os );" << std::endl;
fsc << " }" << std::endl;
fsc << " os << std::endl;" << std::endl;
fsc << " body->print( os );" << std::endl;
fsc << " os << \")\";" << std::endl;
fsc << "}" << std::endl;
fsc << std::endl;
fsc << os_constructor_c.str().c_str();
fsc << std::endl;
}
}
|
