Add support for extra arguments

1 files changed, 29 insertions, 2 deletions

diff --git a/src/output.cpp b/src/output.cpp
index 7f074ab..33c6bb1 100644
--- a/src/output.cpp
+++ b/src/output.cpp
@@ -101,7 +101,12 @@ void output_t::emit_header() {
 	std::fprintf(header_file, "%scontext_t * %salloc(void *(*alloc_func)(size_t));\n", prefix(), prefix());
 	std::fprintf(header_file, "void %sfree(%scontext_t *parser, void (*free_func)(void *));\n\n", prefix(), prefix());
 
-	std::fprintf(header_file, "int %spush(%scontext_t *parser, int token, const %stoken_value_t *value);\n", prefix(), prefix(), prefix());
+	std::fprintf(header_file, "int %spush(%scontext_t *parser, int token, const %stoken_value_t *value", prefix(), prefix(), prefix());
+
+	for (const auto &arg : generator->get_extra_args())
+		std::fprintf(header_file, ", %s %s", arg.first.c_str(), arg.second.c_str());
+
+	std::fprintf(header_file, ");\n");
 }
 
 void output_t::emit_reduction(unsigned rule_id) {
@@ -133,6 +138,15 @@ void output_t::emit_reduction(unsigned rule_id) {
 		empty = false;
 	}
 
+	for (const auto &arg : generator->get_extra_args()) {
+		if (!empty)
+			std::fprintf(source_file, ", ");
+
+		std::fprintf(source_file, "%s %s", arg.first.c_str(), arg.second.c_str());
+
+		empty = false;
+	}
+
 	if (empty)
 		std::fprintf(source_file, "void");
 
@@ -207,6 +221,15 @@ void output_t::emit_state_reduce(const item_t &item, int rule_id) {
 			empty = false;
 		}
 
+		for (const auto &arg : generator->get_extra_args()) {
+			if (!empty)
+				std::fprintf(source_file, ", ");
+
+			std::fprintf(source_file, "%s", arg.second.c_str());
+
+			empty = false;
+		}
+
 		std::fprintf(source_file, ");\n");
 	}
 
@@ -312,7 +335,11 @@ void output_t::emit_source() {
 
 	emit_reductions();
 
-	std::fprintf(source_file, "int %spush(%scontext_t *parser, int token, const %stoken_value_t *value) {\n", prefix(), prefix(), prefix());
+	std::fprintf(source_file, "int %spush(%scontext_t *parser, int token, const %stoken_value_t *value", prefix(), prefix(), prefix());
+	for (const auto &arg : generator->get_extra_args())
+		std::fprintf(source_file, ", %s %s", arg.first.c_str(), arg.second.c_str());
+	std::fprintf(source_file, ") {\n");
+
 	std::fprintf(source_file, "\twhile (1) {\n");
 	std::fprintf(source_file, "\t\tswitch (parser->stack[parser->top].state) {\n");