summaryrefslogtreecommitdiff
path: root/passes/techmap/libparse.cc
diff options
context:
space:
mode:
Diffstat (limited to 'passes/techmap/libparse.cc')
-rw-r--r--passes/techmap/libparse.cc40
1 files changed, 24 insertions, 16 deletions
diff --git a/passes/techmap/libparse.cc b/passes/techmap/libparse.cc
index 2ff55153..612fa111 100644
--- a/passes/techmap/libparse.cc
+++ b/passes/techmap/libparse.cc
@@ -21,6 +21,10 @@
#include <stdlib.h>
#include <string.h>
+#include <istream>
+#include <fstream>
+#include <iostream>
+
#ifndef FILTERLIB
#include "kernel/log.h"
#endif
@@ -85,19 +89,19 @@ int LibertyParser::lexer(std::string &str)
int c;
do {
- c = fgetc(f);
+ c = f.get();
} while (c == ' ' || c == '\t' || c == '\r');
if (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || c == '_' || c == '-' || c == '+' || c == '.') {
str = c;
while (1) {
- c = fgetc(f);
+ c = f.get();
if (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || c == '_' || c == '-' || c == '+' || c == '.')
str += c;
else
break;
}
- ungetc(c, f);
+ f.unget();
// fprintf(stderr, "LEX: identifier >>%s<<\n", str.c_str());
return 'v';
}
@@ -105,7 +109,7 @@ int LibertyParser::lexer(std::string &str)
if (c == '"') {
str = c;
while (1) {
- c = fgetc(f);
+ c = f.get();
if (c == '\n')
line++;
str += c;
@@ -117,34 +121,34 @@ int LibertyParser::lexer(std::string &str)
}
if (c == '/') {
- c = fgetc(f);
+ c = f.get();
if (c == '*') {
int last_c = 0;
while (c > 0 && (last_c != '*' || c != '/')) {
last_c = c;
- c = fgetc(f);
+ c = f.get();
if (c == '\n')
line++;
}
return lexer(str);
} else if (c == '/') {
while (c > 0 && c != '\n')
- c = fgetc(f);
+ c = f.get();
line++;
return lexer(str);
}
- ungetc(c, f);
+ f.unget();
// fprintf(stderr, "LEX: char >>/<<\n");
return '/';
}
if (c == '\\') {
- c = fgetc(f);
+ c = f.get();
if (c == '\r')
- c = fgetc(f);
+ c = f.get();
if (c == '\n')
return lexer(str);
- ungetc(c, f);
+ f.unget();
return '\\';
}
@@ -608,16 +612,20 @@ int main(int argc, char **argv)
}
}
- FILE *f = stdin;
+ std::istream *f = &std::cin;
+
if (argc == 3) {
- f = fopen(argv[2], "r");
- if (f == NULL) {
+ std::ifstream *ff = new std::ifstream;
+ ff->open(argv[2]);
+ if (ff->fail()) {
+ delete ff;
fprintf(stderr, "Can't open liberty file `%s'.\n", argv[2]);
usage();
}
+ f = ff;
}
- LibertyParser parser(f);
+ LibertyParser parser(*f);
if (parser.ast) {
if (flag_verilogsim)
gen_verilogsim(parser.ast);
@@ -626,7 +634,7 @@ int main(int argc, char **argv)
}
if (argc == 3)
- fclose(f);
+ delete f;
return 0;
}