1 files changed, 33 insertions, 11 deletions

diff --git a/com.c b/com.c
index 8102497..d95cdb5 100644
--- a/com.c
+++ b/com.c
@@ -458,8 +458,14 @@ int main(int argc, char **argv) {
 	S->do_disasm = false;
 	S->do_trace = false;
 
+	char *infile_names[16];
+	int infile_name_n = 0;
 	for (int i = 1; i < argc; i++) {
-		if (argv[i][0] != '-') break;
+		if (argv[i][0] != '-') {
+			infile_names[infile_name_n++] = argv[i];
+			CHECK(infile_name_n < 16, "input file count exceeded");
+			continue;
+		}
 		switch (argv[i][1]) {
 		case 'D': 
 			CHECK(strlen(argv[i]) > 1, "unknown option a");
@@ -473,21 +479,37 @@ int main(int argc, char **argv) {
 		}
 	}
 
-
 	Compiler com = (Compiler){ 0 };
 	com.S = S;
 	com.ch = &ch;
 
+	if (infile_name_n == 0) infile_names[infile_name_n++] = "-";
+
+	for (int i = 0; i < infile_name_n; i++) {
+		char *fname = infile_names[i];
+		FILE *infile = NULL;
+		if (0 == strcmp(fname, "-")) 
+			infile = stdin;
+		else
+			infile = fopen(fname, "r");
+
+		if (infile == NULL) {
+			perror("fopen");
+			exit(1);
+		}
+
+		AstNode an;
+		memset(&an, 0, sizeof an);
+		pcc_context_t *parser = pcc_create(infile);
+		int rv;
+		do {
+			astnode_free(&an);
+			rv = pcc_parse(parser, &an);
+			compile_node(&com, an);
+		} while (rv != 0);
+		pcc_destroy(parser);
+	}
 
-	AstNode an;
-	memset(&an, 0, sizeof an);
-	pcc_context_t *parser = pcc_create(NULL);
-	int rv;
-	do {
-		rv = pcc_parse(parser, &an);
-		compile_node(&com, an);
-	} while (rv != 0);
-	pcc_destroy(parser);
 
 	compile_opcode(&com, OP_PUTS);
 	compile_opcode(&com, OP_HALT);