Add support for C++ namespaces

6 files changed, 505 insertions, 247 deletions

diff --git a/src/grammar.hpp b/src/grammar.hpp
index cc982b6..6e766c7 100644
--- a/src/grammar.hpp
+++ b/src/grammar.hpp
@@ -43,6 +43,7 @@ struct grammar_t {
 
 	std::string header_block;
 	std::string source_block;
+	std::vector<std::string> ns;
 
 	std::vector<std::pair<std::string, std::string>> extra_args;
 
diff --git a/src/output_header.cpp b/src/output_header.cpp
index c947d9c..e403cfc 100644
--- a/src/output_header.cpp
+++ b/src/output_header.cpp
@@ -67,6 +67,13 @@ void output_header_t::write() {
 		write_line();
 	}
 
+	if (!get_generator()->get_grammar().ns.empty()) {
+		for (const std::string &ns : get_generator()->get_grammar().ns)
+			write_line("namespace ", ns, " {");
+
+		write_line();
+	}
+
 	emit_tokens();
 	write_line();
 
@@ -80,6 +87,13 @@ void output_header_t::write() {
 	write_line_(sig_free());
 	write_line();
 	write_line_(sig_push());
+
+	if (!get_generator()->get_grammar().ns.empty()) {
+		write_line();
+
+		for (size_t i = 0; i < get_generator()->get_grammar().ns.size(); i++)
+			write_line("}");
+	}
 }
 
 };
diff --git a/src/output_source.cpp b/src/output_source.cpp
index 7000ef9..576ecbc 100644
--- a/src/output_source.cpp
+++ b/src/output_source.cpp
@@ -213,6 +213,13 @@ void output_source_t::write() {
 		write_line();
 	}
 
+	if (!get_generator()->get_grammar().ns.empty()) {
+		for (const std::string &ns : get_generator()->get_grammar().ns)
+			write_line("namespace ", ns, " {");
+
+		write_line();
+	}
+
 	emit_types();
 	write_line();
 
@@ -229,6 +236,13 @@ void output_source_t::write() {
 	write_line();
 
 	emit_push();
+
+	if (!get_generator()->get_grammar().ns.empty()) {
+		write_line();
+
+		for (size_t i = 0; i < get_generator()->get_grammar().ns.size(); i++)
+			write_line("}");
+	}
 }
 
 }
diff --git a/src/parse.cpp b/src/parse.cpp
index 3afda25..ad1f687 100644
--- a/src/parse.cpp
+++ b/src/parse.cpp
@@ -1,16 +1,23 @@
 #include "parse.hpp"
 
 
+namespace solar {
+
 typedef std::vector<std::pair<std::string, bool>> vars_t;
 typedef std::pair<std::vector<solar::symbol_t>, vars_t> rhs_t;
 
+}
+
+
+namespace solar {
 
 typedef union parse_symbol_value {
 	parse_token_value_t token;
 	std::string *symbol_action;
+	std::vector<std::string> *symbol_namespace;
 	rhs_t *symbol_rhs;
-	solar::symbol_t *symbol_symbol;
-	solar::symbol_t *symbol_term;
+	symbol_t *symbol_symbol;
+	symbol_t *symbol_term;
 	std::string *symbol_varname;
 } parse_symbol_value_t;
 
@@ -37,94 +44,105 @@ void parse_free(parse_context_t *parser, void (*free_func)(void *)) {
 }
 
 
-static inline void parse_reduce_3(std::string *nonterm, std::string *type, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline void parse_reduce_3(std::string *nonterm, std::string *type, __attribute__((unused)) grammar_t *grammar) {
 	grammar->nonterm_types.insert(std::make_pair(*nonterm, *type));
 }
 
-static inline void parse_reduce_4(solar::symbol_t *term, std::string *type, std::string *name, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline void parse_reduce_4(symbol_t *term, std::string *type, std::string *name, __attribute__((unused)) grammar_t *grammar) {
 	grammar->term_types.insert(std::make_pair(*term, std::make_pair(*type, *name)));
 }
 
-static inline void parse_reduce_5(solar::symbol_t *sym, std::string *name, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline void parse_reduce_5(symbol_t *sym, std::string *name, __attribute__((unused)) grammar_t *grammar) {
 	grammar->destructors.insert(std::make_pair(*sym, *name));
 }
 
-static inline void parse_reduce_6(std::string *block, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline void parse_reduce_6(std::vector<std::string> *ns, __attribute__((unused)) grammar_t *grammar) {
+	grammar->ns = *ns;
+}
+
+static inline void parse_reduce_7(std::string *block, __attribute__((unused)) grammar_t *grammar) {
 	grammar->source_block = *block;
 }
 
-static inline void parse_reduce_7(std::string *block, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline void parse_reduce_8(std::string *block, __attribute__((unused)) grammar_t *grammar) {
 	grammar->header_block = *block;
 }
 
-static inline void parse_reduce_8(std::string *type, std::string *name, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline void parse_reduce_9(std::string *type, std::string *name, __attribute__((unused)) grammar_t *grammar) {
 	grammar->extra_args.push_back(std::make_pair(*type, *name));
 }
 
-static inline void parse_reduce_9(std::string *lhs, rhs_t *rhs, std::string *action, __attribute__((unused)) solar::grammar_t *grammar) {
-	grammar->add_rule({solar::item_t(*lhs, rhs->first), rhs->second, *action});
+static inline void parse_reduce_10(std::string *lhs, rhs_t *rhs, std::string *action, __attribute__((unused)) grammar_t *grammar) {
+	grammar->add_rule({item_t(*lhs, rhs->first), rhs->second, *action});
 }
 
-static inline void parse_reduce_10(std::string *lhs, unsigned char c1, unsigned char c2, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline void parse_reduce_11(std::string *lhs, unsigned char c1, unsigned char c2, __attribute__((unused)) grammar_t *grammar) {
 	vars_t vars;
 	vars.emplace_back();
 
 	for (unsigned int c = c1; c <= c2; c++)
-		grammar->add_rule({solar::item_t(*lhs, {solar::symbol_t::make_char(c)}), vars, std::string()});
+		grammar->add_rule({item_t(*lhs, {symbol_t::make_char(c)}), vars, std::string()});
 }
 
-static inline rhs_t * parse_reduce_11(__attribute__((unused)) solar::grammar_t *grammar) {return new rhs_t();}
+static inline rhs_t * parse_reduce_12(__attribute__((unused)) grammar_t *grammar) {return new rhs_t();}
 
-static inline rhs_t * parse_reduce_12(rhs_t *rhs, solar::symbol_t *sym, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline rhs_t * parse_reduce_13(rhs_t *rhs, symbol_t *sym, __attribute__((unused)) grammar_t *grammar) {
 	rhs->first.push_back(*sym);
 	rhs->second.emplace_back();
 
 	return rhs;
 }
 
-static inline rhs_t * parse_reduce_13(rhs_t *rhs, solar::symbol_t *sym, std::string *var, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline rhs_t * parse_reduce_14(rhs_t *rhs, symbol_t *sym, std::string *var, __attribute__((unused)) grammar_t *grammar) {
 	rhs->first.push_back(*sym);
 	rhs->second.emplace_back(*var, true);
 
 	return rhs;
 }
 
-static inline rhs_t * parse_reduce_14(rhs_t *rhs, solar::symbol_t *sym, std::string *var, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline rhs_t * parse_reduce_15(rhs_t *rhs, symbol_t *sym, std::string *var, __attribute__((unused)) grammar_t *grammar) {
 	rhs->first.push_back(*sym);
 	rhs->second.emplace_back(*var, false);
 
 	return rhs;
 }
 
-static inline rhs_t * parse_reduce_15(rhs_t *rhs, std::string *str, __attribute__((unused)) solar::grammar_t *grammar) {
+static inline rhs_t * parse_reduce_16(rhs_t *rhs, std::string *str, __attribute__((unused)) grammar_t *grammar) {
 	for (char c : *str) {
-		rhs->first.push_back(solar::symbol_t::make_char(c));
+		rhs->first.push_back(symbol_t::make_char(c));
 		rhs->second.emplace_back();
 	}
 
 	return rhs;
 }
 
-static inline std::string * parse_reduce_16(__attribute__((unused)) solar::grammar_t *grammar) {return new std::string;}
+static inline std::string * parse_reduce_17(__attribute__((unused)) grammar_t *grammar) {return new std::string;}
+
+static inline std::string * parse_reduce_18(std::string *v, __attribute__((unused)) grammar_t *grammar) {return v;}
 
-static inline std::string * parse_reduce_17(std::string *v, __attribute__((unused)) solar::grammar_t *grammar) {return v;}
+static inline std::string * parse_reduce_19(std::string *v, __attribute__((unused)) grammar_t *grammar) {return new std::string("return " + *v + ";");}
 
-static inline std::string * parse_reduce_18(std::string *v, __attribute__((unused)) solar::grammar_t *grammar) {return new std::string("return " + *v + ";");}
+static inline std::vector<std::string> * parse_reduce_20(std::string *v, __attribute__((unused)) grammar_t *grammar) {return new std::vector<std::string> {*v};}
 
-static inline solar::symbol_t * parse_reduce_19(std::string *v, __attribute__((unused)) solar::grammar_t *grammar) {return new solar::symbol_t(solar::symbol_t::make_nonterm(*v));}
+static inline std::vector<std::string> * parse_reduce_21(std::vector<std::string> *ns, std::string *v, __attribute__((unused)) grammar_t *grammar) {
+	ns->push_back(*v);
+	return ns;
+}
+
+static inline symbol_t * parse_reduce_22(std::string *v, __attribute__((unused)) grammar_t *grammar) {return new symbol_t(symbol_t::make_nonterm(*v));}
 
-static inline solar::symbol_t * parse_reduce_20(solar::symbol_t *v, __attribute__((unused)) solar::grammar_t *grammar) {return v;}
+static inline symbol_t * parse_reduce_23(symbol_t *v, __attribute__((unused)) grammar_t *grammar) {return v;}
 
-static inline solar::symbol_t * parse_reduce_21(std::string *v, __attribute__((unused)) solar::grammar_t *grammar) {return new solar::symbol_t(solar::symbol_t::make_term(*v));}
+static inline symbol_t * parse_reduce_24(std::string *v, __attribute__((unused)) grammar_t *grammar) {return new symbol_t(symbol_t::make_term(*v));}
 
-static inline solar::symbol_t * parse_reduce_22(unsigned char v, __attribute__((unused)) solar::grammar_t *grammar) {return new solar::symbol_t(solar::symbol_t::make_char(v));}
+static inline symbol_t * parse_reduce_25(unsigned char v, __attribute__((unused)) grammar_t *grammar) {return new symbol_t(symbol_t::make_char(v));}
 
-static inline std::string * parse_reduce_23(std::string *v, __attribute__((unused)) solar::grammar_t *grammar) {return v;}
+static inline std::string * parse_reduce_26(std::string *v, __attribute__((unused)) grammar_t *grammar) {return v;}
 
-static inline std::string * parse_reduce_24(std::string *v, __attribute__((unused)) solar::grammar_t *grammar) {return v;}
+static inline std::string * parse_reduce_27(std::string *v, __attribute__((unused)) grammar_t *grammar) {return v;}
 
 
-static int parse_do_push(parse_context_t *parser, int token, __attribute__((unused)) solar::grammar_t *grammar) {
+static int parse_do_push(parse_context_t *parser, int token, __attribute__((unused)) grammar_t *grammar) {
 	parse_symbol_value_t result;
 
 	while (1) {
@@ -187,14 +205,18 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 				parser->stack[++parser->top].state = 8;
 				return 1;
 
-			case 's':
+			case 'n':
 				parser->stack[++parser->top].state = 9;
 				return 1;
 
-			case 't':
+			case 's':
 				parser->stack[++parser->top].state = 10;
 				return 1;
 
+			case 't':
+				parser->stack[++parser->top].state = 11;
+				return 1;
+
 			default:
 				return -1;
 			}
@@ -203,7 +225,7 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 		case 5:
 			switch (token) {
 			case '=':
-				parser->stack[++parser->top].state = 11;
+				parser->stack[++parser->top].state = 12;
 				return 1;
 
 			default:
@@ -214,7 +236,7 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 		case 6:
 			switch (token) {
 			case 'e':
-				parser->stack[++parser->top].state = 12;
+				parser->stack[++parser->top].state = 13;
 				return 1;
 
 			default:
@@ -225,7 +247,7 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 		case 7:
 			switch (token) {
 			case 'x':
-				parser->stack[++parser->top].state = 13;
+				parser->stack[++parser->top].state = 14;
 				return 1;
 
 			default:
@@ -236,7 +258,7 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 		case 8:
 			switch (token) {
 			case 'e':
-				parser->stack[++parser->top].state = 14;
+				parser->stack[++parser->top].state = 15;
 				return 1;
 
 			default:
@@ -246,8 +268,8 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 
 		case 9:
 			switch (token) {
-			case 'o':
-				parser->stack[++parser->top].state = 15;
+			case 'a':
+				parser->stack[++parser->top].state = 16;
 				return 1;
 
 			default:
@@ -257,8 +279,8 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 
 		case 10:
 			switch (token) {
-			case 'y':
-				parser->stack[++parser->top].state = 16;
+			case 'o':
+				parser->stack[++parser->top].state = 17;
 				return 1;
 
 			default:
@@ -268,21 +290,32 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 
 		case 11:
 			switch (token) {
-			case '(':
+			case 'y':
 				parser->stack[++parser->top].state = 18;
 				return 1;
 
 			default:
-				result.symbol_rhs = parse_reduce_11(grammar);
-				parser->stack[parser->top].value.symbol_rhs = result.symbol_rhs;
-				parser->stack[++parser->top].state = 17;
+				return -1;
 			}
 			break;
 
 		case 12:
 			switch (token) {
-			case 's':
+			case '(':
+				parser->stack[++parser->top].state = 20;
+				return 1;
+
+			default:
+				result.symbol_rhs = parse_reduce_12(grammar);
+				parser->stack[parser->top].value.symbol_rhs = result.symbol_rhs;
 				parser->stack[++parser->top].state = 19;
+			}
+			break;
+
+		case 13:
+			switch (token) {
+			case 's':
+				parser->stack[++parser->top].state = 21;
 				return 1;
 
 			default:
@@ -290,10 +323,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 13:
+		case 14:
 			switch (token) {
 			case 't':
-				parser->stack[++parser->top].state = 20;
+				parser->stack[++parser->top].state = 22;
 				return 1;
 
 			default:
@@ -301,10 +334,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 14:
+		case 15:
 			switch (token) {
 			case 'a':
-				parser->stack[++parser->top].state = 21;
+				parser->stack[++parser->top].state = 23;
 				return 1;
 
 			default:
@@ -312,10 +345,21 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 15:
+		case 16:
+			switch (token) {
+			case 'm':
+				parser->stack[++parser->top].state = 24;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 17:
 			switch (token) {
 			case 'u':
-				parser->stack[++parser->top].state = 22;
+				parser->stack[++parser->top].state = 25;
 				return 1;
 
 			default:
@@ -323,10 +367,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 16:
+		case 18:
 			switch (token) {
 			case 'p':
-				parser->stack[++parser->top].state = 23;
+				parser->stack[++parser->top].state = 26;
 				return 1;
 
 			default:
@@ -334,34 +378,34 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 17:
+		case 19:
 			switch (token) {
 			case TOK_BLOCK:
-				parser->stack[++parser->top].state = 27;
+				parser->stack[++parser->top].state = 30;
 				return 1;
 
 			case TOK_CHAR:
-				parser->stack[++parser->top].state = 28;
+				parser->stack[++parser->top].state = 31;
 				return 1;
 
 			case TOK_SQBLOCK:
-				parser->stack[++parser->top].state = 29;
+				parser->stack[++parser->top].state = 32;
 				return 1;
 
 			case TOK_STRING:
-				parser->stack[++parser->top].state = 30;
+				parser->stack[++parser->top].state = 33;
 				return 1;
 
 			case TOK_SYMBOL:
-				parser->stack[++parser->top].state = 31;
+				parser->stack[++parser->top].state = 34;
 				return 1;
 
 			case TOK_SYMBOL_UC:
-				parser->stack[++parser->top].state = 32;
+				parser->stack[++parser->top].state = 35;
 				return 1;
 
 			case ';':
-				parser->stack[++parser->top].state = 33;
+				parser->stack[++parser->top].state = 36;
 				return 1;
 
 			default:
@@ -369,10 +413,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 18:
+		case 20:
 			switch (token) {
 			case TOK_CHAR:
-				parser->stack[++parser->top].state = 34;
+				parser->stack[++parser->top].state = 37;
 				return 1;
 
 			default:
@@ -380,10 +424,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 19:
+		case 21:
 			switch (token) {
 			case 't':
-				parser->stack[++parser->top].state = 35;
+				parser->stack[++parser->top].state = 38;
 				return 1;
 
 			default:
@@ -391,10 +435,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 20:
+		case 22:
 			switch (token) {
 			case 'r':
-				parser->stack[++parser->top].state = 36;
+				parser->stack[++parser->top].state = 39;
 				return 1;
 
 			default:
@@ -402,10 +446,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 21:
+		case 23:
 			switch (token) {
 			case 'd':
-				parser->stack[++parser->top].state = 37;
+				parser->stack[++parser->top].state = 40;
 				return 1;
 
 			default:
@@ -413,10 +457,21 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 22:
+		case 24:
+			switch (token) {
+			case 'e':
+				parser->stack[++parser->top].state = 41;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 25:
 			switch (token) {
 			case 'r':
-				parser->stack[++parser->top].state = 38;
+				parser->stack[++parser->top].state = 42;
 				return 1;
 
 			default:
@@ -424,10 +479,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 23:
+		case 26:
 			switch (token) {
 			case 'e':
-				parser->stack[++parser->top].state = 39;
+				parser->stack[++parser->top].state = 43;
 				return 1;
 
 			default:
@@ -435,11 +490,11 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 24:
+		case 27:
 			switch (token) {
 			default:
 				parser->top -= 5;
-				parse_reduce_9(parser->stack[parser->top + 0].value.token.str, parser->stack[parser->top + 3].value.symbol_rhs, parser->stack[parser->top + 4].value.symbol_action, grammar);
+				parse_reduce_10(parser->stack[parser->top + 0].value.token.str, parser->stack[parser->top + 3].value.symbol_rhs, parser->stack[parser->top + 4].value.symbol_action, grammar);
 				delete(parser->stack[parser->top + 0].value.token.str);
 				delete(parser->stack[parser->top + 3].value.symbol_rhs);
 				delete(parser->stack[parser->top + 4].value.symbol_action);
@@ -447,147 +502,147 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 25:
+		case 28:
 			switch (token) {
 			case '(':
-				parser->stack[++parser->top].state = 40;
+				parser->stack[++parser->top].state = 44;
 				return 1;
 
 			default:
 				parser->top -= 2;
-				result.symbol_rhs = parse_reduce_12(parser->stack[parser->top + 0].value.symbol_rhs, parser->stack[parser->top + 1].value.symbol_symbol, grammar);
+				result.symbol_rhs = parse_reduce_13(parser->stack[parser->top + 0].value.symbol_rhs, parser->stack[parser->top + 1].value.symbol_symbol, grammar);
 				delete(parser->stack[parser->top + 1].value.symbol_symbol);
 				parser->stack[parser->top].value.symbol_rhs = result.symbol_rhs;
-				parser->stack[++parser->top].state = 17;
+				parser->stack[++parser->top].state = 19;
 			}
 			break;
 
-		case 26:
+		case 29:
 			switch (token) {
 			default:
 				parser->top -= 1;
-				result.symbol_symbol = parse_reduce_20(parser->stack[parser->top + 0].value.symbol_term, grammar);
+				result.symbol_symbol = parse_reduce_23(parser->stack[parser->top + 0].value.symbol_term, grammar);
 				parser->stack[parser->top].value.symbol_symbol = result.symbol_symbol;
 				switch (parser->stack[parser->top].state) {
-				case 17:
-					parser->stack[++parser->top].state = 25;
+				case 19:
+					parser->stack[++parser->top].state = 28;
 					break;
 
-				case 75:
-					parser->stack[++parser->top].state = 77;
+				case 84:
+					parser->stack[++parser->top].state = 88;
 					break;
 
 				}
 			}
 			break;
 
-		case 27:
+		case 30:
 			switch (token) {
 			default:
 				parser->top -= 1;
-				result.symbol_action = parse_reduce_17(parser->stack[parser->top + 0].value.token.str, grammar);
+				result.symbol_action = parse_reduce_18(parser->stack[parser->top + 0].value.token.str, grammar);
 				parser->stack[parser->top].value.symbol_action = result.symbol_action;
-				parser->stack[++parser->top].state = 24;
+				parser->stack[++parser->top].state = 27;
 			}
 			break;
 
-		case 28:
+		case 31:
 			switch (token) {
 			default:
 				parser->top -= 1;
-				result.symbol_term = parse_reduce_22(parser->stack[parser->top + 0].value.token.c, grammar);
+				result.symbol_term = parse_reduce_25(parser->stack[parser->top + 0].value.token.c, grammar);
 				parser->stack[parser->top].value.symbol_term = result.symbol_term;
 				switch (parser->stack[parser->top].state) {
-				case 17:
-				case 75:
-					parser->stack[++parser->top].state = 26;
+				case 19:
+				case 84:
+					parser->stack[++parser->top].state = 29;
 					break;
 
-				case 39:
-					parser->stack[++parser->top].state = 46;
+				case 43:
+					parser->stack[++parser->top].state = 51;
 					break;
 
 				}
 			}
 			break;
 
-		case 29:
+		case 32:
 			switch (token) {
 			default:
 				parser->top -= 1;
-				result.symbol_action = parse_reduce_18(parser->stack[parser->top + 0].value.token.str, grammar);
+				result.symbol_action = parse_reduce_19(parser->stack[parser->top + 0].value.token.str, grammar);
 				delete(parser->stack[parser->top + 0].value.token.str);
 				parser->stack[parser->top].value.symbol_action = result.symbol_action;
-				parser->stack[++parser->top].state = 24;
+				parser->stack[++parser->top].state = 27;
 			}
 			break;
 
-		case 30:
+		case 33:
 			switch (token) {
 			default:
 				parser->top -= 2;
-				result.symbol_rhs = parse_reduce_15(parser->stack[parser->top + 0].value.symbol_rhs, parser->stack[parser->top + 1].value.token.str, grammar);
+				result.symbol_rhs = parse_reduce_16(parser->stack[parser->top + 0].value.symbol_rhs, parser->stack[parser->top + 1].value.token.str, grammar);
 				delete(parser->stack[parser->top + 1].value.token.str);
 				parser->stack[parser->top].value.symbol_rhs = result.symbol_rhs;
-				parser->stack[++parser->top].state = 17;
+				parser->stack[++parser->top].state = 19;
 			}
 			break;
 
-		case 31:
+		case 34:
 			switch (token) {
 			default:
 				parser->top -= 1;
-				result.symbol_symbol = parse_reduce_19(parser->stack[parser->top + 0].value.token.str, grammar);
+				result.symbol_symbol = parse_reduce_22(parser->stack[parser->top + 0].value.token.str, grammar);
 				delete(parser->stack[parser->top + 0].value.token.str);
 				parser->stack[parser->top].value.symbol_symbol = result.symbol_symbol;
 				switch (parser->stack[parser->top].state) {
-				case 17:
-					parser->stack[++parser->top].state = 25;
+				case 19:
+					parser->stack[++parser->top].state = 28;
 					break;
 
-				case 75:
-					parser->stack[++parser->top].state = 77;
+				case 84:
+					parser->stack[++parser->top].state = 88;
 					break;
 
 				}
 			}
 			break;
 
-		case 32:
+		case 35:
 			switch (token) {
 			default:
 				parser->top -= 1;
-				result.symbol_term = parse_reduce_21(parser->stack[parser->top + 0].value.token.str, grammar);
+				result.symbol_term = parse_reduce_24(parser->stack[parser->top + 0].value.token.str, grammar);
 				delete(parser->stack[parser->top + 0].value.token.str);
 				parser->stack[parser->top].value.symbol_term = result.symbol_term;
 				switch (parser->stack[parser->top].state) {
-				case 17:
-				case 75:
-					parser->stack[++parser->top].state = 26;
+				case 19:
+				case 84:
+					parser->stack[++parser->top].state = 29;
 					break;
 
-				case 39:
-					parser->stack[++parser->top].state = 46;
+				case 43:
+					parser->stack[++parser->top].state = 51;
 					break;
 
 				}
 			}
 			break;
 
-		case 33:
+		case 36:
 			switch (token) {
 			default:
 				parser->top -= 1;
-				result.symbol_action = parse_reduce_16(grammar);
+				result.symbol_action = parse_reduce_17(grammar);
 				parser->stack[parser->top].value.symbol_action = result.symbol_action;
-				parser->stack[++parser->top].state = 24;
+				parser->stack[++parser->top].state = 27;
 			}
 			break;
 
-		case 34:
+		case 37:
 			switch (token) {
 			case '.':
-				parser->stack[++parser->top].state = 41;
+				parser->stack[++parser->top].state = 45;
 				return 1;
 
 			default:
@@ -595,10 +650,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 35:
+		case 38:
 			switch (token) {
 			case 'r':
-				parser->stack[++parser->top].state = 42;
+				parser->stack[++parser->top].state = 46;
 				return 1;
 
 			default:
@@ -606,10 +661,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 36:
+		case 39:
 			switch (token) {
 			case 'a':
-				parser->stack[++parser->top].state = 43;
+				parser->stack[++parser->top].state = 47;
 				return 1;
 
 			default:
@@ -617,10 +672,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 37:
+		case 40:
 			switch (token) {
 			case 'e':
-				parser->stack[++parser->top].state = 44;
+				parser->stack[++parser->top].state = 48;
 				return 1;
 
 			default:
@@ -628,10 +683,21 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 38:
+		case 41:
+			switch (token) {
+			case 's':
+				parser->stack[++parser->top].state = 49;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 42:
 			switch (token) {
 			case 'c':
-				parser->stack[++parser->top].state = 45;
+				parser->stack[++parser->top].state = 50;
 				return 1;
 
 			default:
@@ -639,18 +705,18 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 39:
+		case 43:
 			switch (token) {
 			case TOK_CHAR:
-				parser->stack[++parser->top].state = 28;
+				parser->stack[++parser->top].state = 31;
 				return 1;
 
 			case TOK_SYMBOL_UC:
-				parser->stack[++parser->top].state = 32;
+				parser->stack[++parser->top].state = 35;
 				return 1;
 
 			case TOK_SYMBOL:
-				parser->stack[++parser->top].state = 47;
+				parser->stack[++parser->top].state = 52;
 				return 1;
 
 			default:
@@ -658,18 +724,18 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 40:
+		case 44:
 			switch (token) {
 			case TOK_SYMBOL:
-				parser->stack[++parser->top].state = 49;
+				parser->stack[++parser->top].state = 54;
 				return 1;
 
 			case TOK_SYMBOL_UC:
-				parser->stack[++parser->top].state = 50;
+				parser->stack[++parser->top].state = 55;
 				return 1;
 
 			case '=':
-				parser->stack[++parser->top].state = 51;
+				parser->stack[++parser->top].state = 56;
 				return 1;
 
 			default:
@@ -677,10 +743,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 41:
+		case 45:
 			switch (token) {
 			case '.':
-				parser->stack[++parser->top].state = 52;
+				parser->stack[++parser->top].state = 57;
 				return 1;
 
 			default:
@@ -688,10 +754,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 42:
+		case 46:
 			switch (token) {
 			case 'u':
-				parser->stack[++parser->top].state = 53;
+				parser->stack[++parser->top].state = 58;
 				return 1;
 
 			default:
@@ -699,10 +765,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 43:
+		case 47:
 			switch (token) {
 			case '_':
-				parser->stack[++parser->top].state = 54;
+				parser->stack[++parser->top].state = 59;
 				return 1;
 
 			default:
@@ -710,10 +776,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 44:
+		case 48:
 			switch (token) {
 			case 'r':
-				parser->stack[++parser->top].state = 55;
+				parser->stack[++parser->top].state = 60;
 				return 1;
 
 			default:
@@ -721,10 +787,21 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 45:
+		case 49:
+			switch (token) {
+			case 'p':
+				parser->stack[++parser->top].state = 61;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 50:
 			switch (token) {
 			case 'e':
-				parser->stack[++parser->top].state = 56;
+				parser->stack[++parser->top].state = 62;
 				return 1;
 
 			default:
@@ -732,10 +809,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 46:
+		case 51:
 			switch (token) {
 			case TOK_BLOCK:
-				parser->stack[++parser->top].state = 57;
+				parser->stack[++parser->top].state = 63;
 				return 1;
 
 			default:
@@ -743,10 +820,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 47:
+		case 52:
 			switch (token) {
 			case TOK_BLOCK:
-				parser->stack[++parser->top].state = 58;
+				parser->stack[++parser->top].state = 64;
 				return 1;
 
 			default:
@@ -754,10 +831,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 48:
+		case 53:
 			switch (token) {
 			case ')':
-				parser->stack[++parser->top].state = 59;
+				parser->stack[++parser->top].state = 65;
 				return 1;
 
 			default:
@@ -765,76 +842,92 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 49:
+		case 54:
 			switch (token) {
 			default:
 				parser->top -= 1;
-				result.symbol_varname = parse_reduce_24(parser->stack[parser->top + 0].value.token.str, grammar);
+				result.symbol_varname = parse_reduce_27(parser->stack[parser->top + 0].value.token.str, grammar);
 				parser->stack[parser->top].value.symbol_varname = result.symbol_varname;
 				switch (parser->stack[parser->top].state) {
-				case 40:
-					parser->stack[++parser->top].state = 48;
+				case 44:
+					parser->stack[++parser->top].state = 53;
+					break;
+
+				case 56:
+					parser->stack[++parser->top].state = 66;
 					break;
 
-				case 51:
-					parser->stack[++parser->top].state = 60;
+				case 63:
+					parser->stack[++parser->top].state = 73;
 					break;
 
-				case 57:
-					parser->stack[++parser->top].state = 66;
+				case 82:
+					parser->stack[++parser->top].state = 87;
 					break;
 
-				case 76:
-					parser->stack[++parser->top].state = 78;
+				case 85:
+					parser->stack[++parser->top].state = 89;
 					break;
 
-				case 77:
-					parser->stack[++parser->top].state = 79;
+				case 88:
+					parser->stack[++parser->top].state = 91;
+					break;
+
+				case 92:
+					parser->stack[++parser->top].state = 93;
 					break;
 
 				}
 			}
 			break;
 
-		case 50:
+		case 55:
 			switch (token) {
 			default:
 				parser->top -= 1;
-				result.symbol_varname = parse_reduce_23(parser->stack[parser->top + 0].value.token.str, grammar);
+				result.symbol_varname = parse_reduce_26(parser->stack[parser->top + 0].value.token.str, grammar);
 				parser->stack[parser->top].value.symbol_varname = result.symbol_varname;
 				switch (parser->stack[parser->top].state) {
-				case 40:
-					parser->stack[++parser->top].state = 48;
+				case 44:
+					parser->stack[++parser->top].state = 53;
 					break;
 
-				case 51:
-					parser->stack[++parser->top].state = 60;
+				case 56:
+					parser->stack[++parser->top].state = 66;
 					break;
 
-				case 57:
-					parser->stack[++parser->top].state = 66;
+				case 63:
+					parser->stack[++parser->top].state = 73;
+					break;
+
+				case 82:
+					parser->stack[++parser->top].state = 87;
 					break;
 
-				case 76:
-					parser->stack[++parser->top].state = 78;
+				case 85:
+					parser->stack[++parser->top].state = 89;
 					break;
 
-				case 77:
-					parser->stack[++parser->top].state = 79;
+				case 88:
+					parser->stack[++parser->top].state = 91;
+					break;
+
+				case 92:
+					parser->stack[++parser->top].state = 93;
 					break;
 
 				}
 			}
 			break;
 
-		case 51:
+		case 56:
 			switch (token) {
 			case TOK_SYMBOL:
-				parser->stack[++parser->top].state = 49;
+				parser->stack[++parser->top].state = 54;
 				return 1;
 
 			case TOK_SYMBOL_UC:
-				parser->stack[++parser->top].state = 50;
+				parser->stack[++parser->top].state = 55;
 				return 1;
 
 			default:
@@ -842,10 +935,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 52:
+		case 57:
 			switch (token) {
 			case '.':
-				parser->stack[++parser->top].state = 61;
+				parser->stack[++parser->top].state = 67;
 				return 1;
 
 			default:
@@ -853,10 +946,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 53:
+		case 58:
 			switch (token) {
 			case 'c':
-				parser->stack[++parser->top].state = 62;
+				parser->stack[++parser->top].state = 68;
 				return 1;
 
 			default:
@@ -864,10 +957,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 54:
+		case 59:
 			switch (token) {
 			case 'a':
-				parser->stack[++parser->top].state = 63;
+				parser->stack[++parser->top].state = 69;
 				return 1;
 
 			default:
@@ -875,10 +968,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 55:
+		case 60:
 			switch (token) {
 			case TOK_BLOCK:
-				parser->stack[++parser->top].state = 64;
+				parser->stack[++parser->top].state = 70;
 				return 1;
 
 			default:
@@ -886,10 +979,21 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 56:
+		case 61:
+			switch (token) {
+			case 'a':
+				parser->stack[++parser->top].state = 71;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 62:
 			switch (token) {
 			case TOK_BLOCK:
-				parser->stack[++parser->top].state = 65;
+				parser->stack[++parser->top].state = 72;
 				return 1;
 
 			default:
@@ -897,14 +1001,14 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 57:
+		case 63:
 			switch (token) {
 			case TOK_SYMBOL:
-				parser->stack[++parser->top].state = 49;
+				parser->stack[++parser->top].state = 54;
 				return 1;
 
 			case TOK_SYMBOL_UC:
-				parser->stack[++parser->top].state = 50;
+				parser->stack[++parser->top].state = 55;
 				return 1;
 
 			default:
@@ -912,7 +1016,7 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 58:
+		case 64:
 			switch (token) {
 			default:
 				parser->top -= 7;
@@ -923,22 +1027,22 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 59:
+		case 65:
 			switch (token) {
 			default:
 				parser->top -= 5;
-				result.symbol_rhs = parse_reduce_13(parser->stack[parser->top + 0].value.symbol_rhs, parser->stack[parser->top + 1].value.symbol_symbol, parser->stack[parser->top + 3].value.symbol_varname, grammar);
+				result.symbol_rhs = parse_reduce_14(parser->stack[parser->top + 0].value.symbol_rhs, parser->stack[parser->top + 1].value.symbol_symbol, parser->stack[parser->top + 3].value.symbol_varname, grammar);
 				delete(parser->stack[parser->top + 1].value.symbol_symbol);
 				delete(parser->stack[parser->top + 3].value.symbol_varname);
 				parser->stack[parser->top].value.symbol_rhs = result.symbol_rhs;
-				parser->stack[++parser->top].state = 17;
+				parser->stack[++parser->top].state = 19;
 			}
 			break;
 
-		case 60:
+		case 66:
 			switch (token) {
 			case ')':
-				parser->stack[++parser->top].state = 67;
+				parser->stack[++parser->top].state = 74;
 				return 1;
 
 			default:
@@ -946,10 +1050,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 61:
+		case 67:
 			switch (token) {
 			case TOK_CHAR:
-				parser->stack[++parser->top].state = 68;
+				parser->stack[++parser->top].state = 75;
 				return 1;
 
 			default:
@@ -957,10 +1061,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 62:
+		case 68:
 			switch (token) {
 			case 't':
-				parser->stack[++parser->top].state = 69;
+				parser->stack[++parser->top].state = 76;
 				return 1;
 
 			default:
@@ -968,10 +1072,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 63:
+		case 69:
 			switch (token) {
 			case 'r':
-				parser->stack[++parser->top].state = 70;
+				parser->stack[++parser->top].state = 77;
 				return 1;
 
 			default:
@@ -979,27 +1083,38 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 64:
+		case 70:
 			switch (token) {
 			default:
 				parser->top -= 8;
-				parse_reduce_7(parser->stack[parser->top + 7].value.token.str, grammar);
+				parse_reduce_8(parser->stack[parser->top + 7].value.token.str, grammar);
 				delete(parser->stack[parser->top + 7].value.token.str);
 				parser->stack[++parser->top].state = 2;
 			}
 			break;
 
-		case 65:
+		case 71:
+			switch (token) {
+			case 'c':
+				parser->stack[++parser->top].state = 78;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 72:
 			switch (token) {
 			default:
 				parser->top -= 8;
-				parse_reduce_6(parser->stack[parser->top + 7].value.token.str, grammar);
+				parse_reduce_7(parser->stack[parser->top + 7].value.token.str, grammar);
 				delete(parser->stack[parser->top + 7].value.token.str);
 				parser->stack[++parser->top].state = 2;
 			}
 			break;
 
-		case 66:
+		case 73:
 			switch (token) {
 			default:
 				parser->top -= 8;
@@ -1011,22 +1126,22 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 67:
+		case 74:
 			switch (token) {
 			default:
 				parser->top -= 6;
-				result.symbol_rhs = parse_reduce_14(parser->stack[parser->top + 0].value.symbol_rhs, parser->stack[parser->top + 1].value.symbol_symbol, parser->stack[parser->top + 4].value.symbol_varname, grammar);
+				result.symbol_rhs = parse_reduce_15(parser->stack[parser->top + 0].value.symbol_rhs, parser->stack[parser->top + 1].value.symbol_symbol, parser->stack[parser->top + 4].value.symbol_varname, grammar);
 				delete(parser->stack[parser->top + 1].value.symbol_symbol);
 				delete(parser->stack[parser->top + 4].value.symbol_varname);
 				parser->stack[parser->top].value.symbol_rhs = result.symbol_rhs;
-				parser->stack[++parser->top].state = 17;
+				parser->stack[++parser->top].state = 19;
 			}
 			break;
 
-		case 68:
+		case 75:
 			switch (token) {
 			case ')':
-				parser->stack[++parser->top].state = 71;
+				parser->stack[++parser->top].state = 79;
 				return 1;
 
 			default:
@@ -1034,10 +1149,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 69:
+		case 76:
 			switch (token) {
 			case 'o':
-				parser->stack[++parser->top].state = 72;
+				parser->stack[++parser->top].state = 80;
 				return 1;
 
 			default:
@@ -1045,10 +1160,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 70:
+		case 77:
 			switch (token) {
 			case 'g':
-				parser->stack[++parser->top].state = 73;
+				parser->stack[++parser->top].state = 81;
 				return 1;
 
 			default:
@@ -1056,10 +1171,21 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 71:
+		case 78:
+			switch (token) {
+			case 'e':
+				parser->stack[++parser->top].state = 82;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 79:
 			switch (token) {
 			case ';':
-				parser->stack[++parser->top].state = 74;
+				parser->stack[++parser->top].state = 83;
 				return 1;
 
 			default:
@@ -1067,10 +1193,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 72:
+		case 80:
 			switch (token) {
 			case 'r':
-				parser->stack[++parser->top].state = 75;
+				parser->stack[++parser->top].state = 84;
 				return 1;
 
 			default:
@@ -1078,10 +1204,10 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 73:
+		case 81:
 			switch (token) {
 			case TOK_BLOCK:
-				parser->stack[++parser->top].state = 76;
+				parser->stack[++parser->top].state = 85;
 				return 1;
 
 			default:
@@ -1089,28 +1215,43 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 74:
+		case 82:
+			switch (token) {
+			case TOK_SYMBOL:
+				parser->stack[++parser->top].state = 54;
+				return 1;
+
+			case TOK_SYMBOL_UC:
+				parser->stack[++parser->top].state = 55;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 83:
 			switch (token) {
 			default:
 				parser->top -= 11;
-				parse_reduce_10(parser->stack[parser->top + 0].value.token.str, parser->stack[parser->top + 4].value.token.c, parser->stack[parser->top + 8].value.token.c, grammar);
+				parse_reduce_11(parser->stack[parser->top + 0].value.token.str, parser->stack[parser->top + 4].value.token.c, parser->stack[parser->top + 8].value.token.c, grammar);
 				delete(parser->stack[parser->top + 0].value.token.str);
 				parser->stack[++parser->top].state = 2;
 			}
 			break;
 
-		case 75:
+		case 84:
 			switch (token) {
 			case TOK_CHAR:
-				parser->stack[++parser->top].state = 28;
+				parser->stack[++parser->top].state = 31;
 				return 1;
 
 			case TOK_SYMBOL:
-				parser->stack[++parser->top].state = 31;
+				parser->stack[++parser->top].state = 34;
 				return 1;
 
 			case TOK_SYMBOL_UC:
-				parser->stack[++parser->top].state = 32;
+				parser->stack[++parser->top].state = 35;
 				return 1;
 
 			default:
@@ -1118,14 +1259,14 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 76:
+		case 85:
 			switch (token) {
 			case TOK_SYMBOL:
-				parser->stack[++parser->top].state = 49;
+				parser->stack[++parser->top].state = 54;
 				return 1;
 
 			case TOK_SYMBOL_UC:
-				parser->stack[++parser->top].state = 50;
+				parser->stack[++parser->top].state = 55;
 				return 1;
 
 			default:
@@ -1133,14 +1274,39 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 77:
+		case 86:
+			switch (token) {
+			case ':':
+				parser->stack[++parser->top].state = 90;
+				return 1;
+
+			default:
+				parser->top -= 11;
+				parse_reduce_6(parser->stack[parser->top + 10].value.symbol_namespace, grammar);
+				delete(parser->stack[parser->top + 10].value.symbol_namespace);
+				parser->stack[++parser->top].state = 2;
+			}
+			break;
+
+		case 87:
+			switch (token) {
+			default:
+				parser->top -= 1;
+				result.symbol_namespace = parse_reduce_20(parser->stack[parser->top + 0].value.symbol_varname, grammar);
+				delete(parser->stack[parser->top + 0].value.symbol_varname);
+				parser->stack[parser->top].value.symbol_namespace = result.symbol_namespace;
+				parser->stack[++parser->top].state = 86;
+			}
+			break;
+
+		case 88:
 			switch (token) {
 			case TOK_SYMBOL:
-				parser->stack[++parser->top].state = 49;
+				parser->stack[++parser->top].state = 54;
 				return 1;
 
 			case TOK_SYMBOL_UC:
-				parser->stack[++parser->top].state = 50;
+				parser->stack[++parser->top].state = 55;
 				return 1;
 
 			default:
@@ -1148,18 +1314,29 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
-		case 78:
+		case 89:
 			switch (token) {
 			default:
 				parser->top -= 12;
-				parse_reduce_8(parser->stack[parser->top + 10].value.token.str, parser->stack[parser->top + 11].value.symbol_varname, grammar);
+				parse_reduce_9(parser->stack[parser->top + 10].value.token.str, parser->stack[parser->top + 11].value.symbol_varname, grammar);
 				delete(parser->stack[parser->top + 10].value.token.str);
 				delete(parser->stack[parser->top + 11].value.symbol_varname);
 				parser->stack[++parser->top].state = 2;
 			}
 			break;
 
-		case 79:
+		case 90:
+			switch (token) {
+			case ':':
+				parser->stack[++parser->top].state = 92;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 91:
 			switch (token) {
 			default:
 				parser->top -= 13;
@@ -1170,11 +1347,37 @@ static int parse_do_push(parse_context_t *parser, int token, __attribute__((unus
 			}
 			break;
 
+		case 92:
+			switch (token) {
+			case TOK_SYMBOL:
+				parser->stack[++parser->top].state = 54;
+				return 1;
+
+			case TOK_SYMBOL_UC:
+				parser->stack[++parser->top].state = 55;
+				return 1;
+
+			default:
+				return -1;
+			}
+			break;
+
+		case 93:
+			switch (token) {
+			default:
+				parser->top -= 4;
+				result.symbol_namespace = parse_reduce_21(parser->stack[parser->top + 0].value.symbol_namespace, parser->stack[parser->top + 3].value.symbol_varname, grammar);
+				delete(parser->stack[parser->top + 3].value.symbol_varname);
+				parser->stack[parser->top].value.symbol_namespace = result.symbol_namespace;
+				parser->stack[++parser->top].state = 86;
+			}
+			break;
+
 		}
 	}
 }
 
-int parse_push(parse_context_t *parser, int token, const parse_token_value_t *value, __attribute__((unused)) solar::grammar_t *grammar) {
+int parse_push(parse_context_t *parser, int token, const parse_token_value_t *value, __attribute__((unused)) grammar_t *grammar) {
 	int ret = parse_do_push(parser, token, grammar);
 
 	if (ret > 0)
@@ -1182,3 +1385,5 @@ int parse_push(parse_context_t *parser, int token, const parse_token_value_t *va
 
 	return ret;
 }
+
+}
diff --git a/src/parse.hpp b/src/parse.hpp
index c9fa9ce..5b027cf 100644
--- a/src/parse.hpp
+++ b/src/parse.hpp
@@ -4,6 +4,8 @@
 #include "grammar.hpp"
 
 
+namespace solar {
+
 typedef enum parse_token {
 	TOK_BLOCK = 256,
 	TOK_CHAR = 257,
@@ -23,4 +25,6 @@ typedef struct parse_context parse_context_t;
 parse_context_t * parse_alloc(void *(*alloc_func)(size_t));
 void parse_free(parse_context_t *parser, void (*free_func)(void *));
 
-int parse_push(parse_context_t *parser, int token, const parse_token_value_t *value, __attribute__((unused)) solar::grammar_t *grammar);
+int parse_push(parse_context_t *parser, int token, const parse_token_value_t *value, __attribute__((unused)) grammar_t *grammar);
+
+}
diff --git a/src/parse.y b/src/parse.y
index 7b46368..0d9bb05 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -1,10 +1,16 @@
+%namespace solar
+
 %header {
 #include "grammar.hpp"
 }
 
 %source {
+namespace solar {
+
 typedef std::vector<std::pair<std::string, bool>> vars_t;
 typedef std::pair<std::vector<solar::symbol_t>, vars_t> rhs_t;
+
+}
 }
 
 
@@ -26,23 +32,26 @@ typedef std::pair<std::vector<solar::symbol_t>, vars_t> rhs_t;
 %type CHAR {unsigned char} c
 
 
+%type namespace {std::vector<std::string> *}
+%destructor namespace delete
+
 %type rhs {rhs_t *}
 %destructor rhs delete
 
 %type action {std::string *}
 %destructor action delete
 
-%type symbol {solar::symbol_t *}
+%type symbol {symbol_t *}
 %destructor symbol delete
 
-%type term {solar::symbol_t *}
+%type term {symbol_t *}
 %destructor term delete
 
 %type varname {std::string *}
 %destructor varname delete
 
 
-%extra_arg {__attribute__((unused)) solar::grammar_t *} grammar
+%extra_arg {__attribute__((unused)) grammar_t *} grammar
 
 
 grammar |=;
@@ -61,6 +70,10 @@ directive |= "%destructor" symbol(sym) varname(name) {
 	grammar->destructors.insert(std::make_pair(*sym, *name));
 }
 
+directive |= "%namespace" namespace(ns) {
+	grammar->ns = *ns;
+}
+
 directive |= "%source" BLOCK(block) {
 	grammar->source_block = *block;
 }
@@ -74,7 +87,7 @@ directive |= "%extra_arg" BLOCK(type) varname(name) {
 }
 
 directive |= SYMBOL(lhs) "|=" rhs(rhs) action(action) {
-	grammar->add_rule({solar::item_t(*lhs, rhs->first), rhs->second, *action});
+	grammar->add_rule({item_t(*lhs, rhs->first), rhs->second, *action});
 }
 
 directive |= SYMBOL(lhs) "|=" '(' CHAR(c1) "..." CHAR(c2) ')' ';' {
@@ -82,7 +95,7 @@ directive |= SYMBOL(lhs) "|=" '(' CHAR(c1) "..." CHAR(c2) ')' ';' {
 	vars.emplace_back();
 
 	for (unsigned int c = c1; c <= c2; c++)
-		grammar->add_rule({solar::item_t(*lhs, {solar::symbol_t::make_char(c)}), vars, std::string()});
+		grammar->add_rule({item_t(*lhs, {symbol_t::make_char(c)}), vars, std::string()});
 }
 
 
@@ -111,7 +124,7 @@ rhs |= rhs(=rhs) symbol(sym) '(' '=' varname(var) ')' {
 
 rhs |= rhs(=rhs) STRING(str) {
 	for (char c : *str) {
-		rhs->first.push_back(solar::symbol_t::make_char(c));
+		rhs->first.push_back(symbol_t::make_char(c));
 		rhs->second.emplace_back();
 	}
 
@@ -124,11 +137,18 @@ action |= BLOCK(=v) [v]
 action |= SQBLOCK(v) [new std::string("return " + *v + ";")]
 
 
-symbol |= SYMBOL(v) [new solar::symbol_t(solar::symbol_t::make_nonterm(*v))]
+namespace |= varname(v) [new std::vector<std::string> {*v}]
+namespace |= namespace(=ns) "::" varname(v) {
+	ns->push_back(*v);
+	return ns;
+}
+
+
+symbol |= SYMBOL(v) [new symbol_t(symbol_t::make_nonterm(*v))]
 symbol |= term(=v) [v]
 
-term |= SYMBOL_UC(v) [new solar::symbol_t(solar::symbol_t::make_term(*v))]
-term |= CHAR(v) [new solar::symbol_t(solar::symbol_t::make_char(v))]
+term |= SYMBOL_UC(v) [new symbol_t(symbol_t::make_term(*v))]
+term |= CHAR(v) [new symbol_t(symbol_t::make_char(v))]
 
 varname |= SYMBOL_UC(=v) [v]
 varname |= SYMBOL(=v) [v]