5 files changed, 27 insertions, 21 deletions
diff --git a/frontends/verilog/.gitignore b/frontends/verilog/.gitignore
index 72b06b0bf..1d4ae9e5c 100644
--- a/frontends/verilog/.gitignore
+++ b/frontends/verilog/.gitignore
@@ -1,4 +1,4 @@
-lexer.cc
-parser.output
-parser.tab.cc
-parser.tab.h
+verilog_lexer.cc
+verilog_parser.output
+verilog_parser.tab.cc
+verilog_parser.tab.h
diff --git a/frontends/verilog/Makefile.inc b/frontends/verilog/Makefile.inc
index 49eb320ec..1b6854bb5 100644
--- a/frontends/verilog/Makefile.inc
+++ b/frontends/verilog/Makefile.inc
@@ -1,20 +1,20 @@
 
-GENFILES += frontends/verilog/parser.tab.cc
-GENFILES += frontends/verilog/parser.tab.h
-GENFILES += frontends/verilog/parser.output
-GENFILES += frontends/verilog/lexer.cc
+GENFILES += frontends/verilog/verilog_parser.tab.cc
+GENFILES += frontends/verilog/verilog_parser.tab.h
+GENFILES += frontends/verilog/verilog_parser.output
+GENFILES += frontends/verilog/verilog_lexer.cc
 
-frontends/verilog/parser.tab.cc: frontends/verilog/parser.y
-	$(P) bison -d -r all -b frontends/verilog/parser frontends/verilog/parser.y
-	$(Q) mv frontends/verilog/parser.tab.c frontends/verilog/parser.tab.cc
+frontends/verilog/verilog_parser.tab.cc: frontends/verilog/verilog_parser.y
+	$(P) bison -d -r all -b frontends/verilog/verilog_parser frontends/verilog/verilog_parser.y
+	$(Q) mv frontends/verilog/verilog_parser.tab.c frontends/verilog/verilog_parser.tab.cc
 
-frontends/verilog/parser.tab.h: frontends/verilog/parser.tab.cc
+frontends/verilog/verilog_parser.tab.h: frontends/verilog/verilog_parser.tab.cc
 
-frontends/verilog/lexer.cc: frontends/verilog/lexer.l
-	$(P) flex -o frontends/verilog/lexer.cc frontends/verilog/lexer.l
+frontends/verilog/verilog_lexer.cc: frontends/verilog/verilog_lexer.l
+	$(P) flex -o frontends/verilog/verilog_lexer.cc frontends/verilog/verilog_lexer.l
 
-OBJS += frontends/verilog/parser.tab.o
-OBJS += frontends/verilog/lexer.o
+OBJS += frontends/verilog/verilog_parser.tab.o
+OBJS += frontends/verilog/verilog_lexer.o
 OBJS += frontends/verilog/preproc.o
 OBJS += frontends/verilog/verilog_frontend.o
 OBJS += frontends/verilog/const2ast.o
diff --git a/frontends/verilog/preproc.cc b/frontends/verilog/preproc.cc
index b4e77c31b..da658410d 100644
--- a/frontends/verilog/preproc.cc
+++ b/frontends/verilog/preproc.cc
@@ -196,14 +196,16 @@ static std::string next_token(bool pass_newline = false)
 static void input_file(std::istream &f, std::string filename)
 {
 	char buffer[513];
-	int rc;
 
 	insert_input("");
 	auto it = input_buffer.begin();
 
 	input_buffer.insert(it, "`file_push " + filename + "\n");
-	while ((rc = readsome(f, buffer, sizeof(buffer)-1)) > 0) {
-		buffer[rc] = 0;
+	while (1) {
+		f.read(buffer, sizeof(buffer)-1);
+		if (f.gcount() <= 0)
+			break;
+		buffer[f.gcount()] = 0;
 		input_buffer.insert(it, buffer);
 	}
 	input_buffer.insert(it, "\n`file_pop\n");
diff --git a/frontends/verilog/lexer.l b/frontends/verilog/verilog_lexer.l
index 98f360885..0d28e2e7f 100644
--- a/frontends/verilog/lexer.l
+++ b/frontends/verilog/verilog_lexer.l
@@ -42,7 +42,7 @@
 #include "kernel/log.h"
 #include "verilog_frontend.h"
 #include "frontends/ast/ast.h"
-#include "parser.tab.h"
+#include "verilog_parser.tab.h"
 
 USING_YOSYS_NAMESPACE
 using namespace AST;
@@ -64,7 +64,11 @@ YOSYS_NAMESPACE_END
 	return TOK_ID;
 
 #define YY_INPUT(buf,result,max_size) \
-	result = readsome(*lexin, buf, max_size);
+	do { \
+		lexin->read(buf, max_size-1); \
+		result = lexin->gcount(); \
+		if (result >= 0) buf[result] = '\0'; \
+	} while (0)
 
 %}
 
diff --git a/frontends/verilog/parser.y b/frontends/verilog/verilog_parser.y
index cf02a56a9..cf02a56a9 100644
--- a/frontends/verilog/parser.y
+++ b/frontends/verilog/verilog_parser.y