added the if statement

1 files changed, 17 insertions, 4 deletions

diff --git a/src/frontend/parser.h b/src/frontend/parser.h
index a9f6b89..4745f63 100644
--- a/src/frontend/parser.h
+++ b/src/frontend/parser.h
@@ -25,6 +25,7 @@ enum AST_Type
 	AST_TYPE_OP_NOT,
 	AST_TYPE_OP_SELECTOR,
 	AST_TYPE_UNFINISHED_STATE,
+	AST_TYPE_IF,
 };
 struct AST
 {
@@ -58,10 +59,10 @@ struct AST_Events
 struct AST_Transition
 {
 	enum AST_Type type;
-	struct AST *from;
+	struct AST_State *from;
 	struct AST_State *to;
 	struct AST_Event *event;
-	struct AST_Pipeline *pipeline;
+	struct AST *statement;
 };
 struct AST_Command
 {
@@ -114,6 +115,13 @@ struct AST_Unchecked_State
 	enum AST_Type type;
 	struct token *name;
 };
+struct AST_If_Statement
+{
+	enum AST_Type type;
+	struct AST *condition;
+	struct AST *body;
+	struct AST *else_statement;
+};
 
 
 struct AST* parse_source(struct Translation_Data *translation_data);
@@ -126,6 +134,9 @@ struct AST_Events* parse_events_inner(struct Translation_Data *translation_data)
 struct AST_Event* parse_event(struct Translation_Data *translation_data);
 struct AST_Transitions* parse_transitions_inner(struct Translation_Data *translation_data,struct AST_States *states,struct AST_Events *events );
 struct AST_Transition* parse_transition(struct Translation_Data *translation_data,struct AST_States *states,struct AST_Events *events);
+
+struct AST* parse_statement(struct Translation_Data *translation_data,struct AST_States *states,struct AST_Events *events);
+
 struct AST_Pipeline* parse_pipeline(struct Translation_Data *translation_data);
 struct AST_Command* parse_command(struct Translation_Data *translation_data);
 struct AST_State* parse_start_on(struct Translation_Data *translation_data,struct AST_States *states);
@@ -140,16 +151,17 @@ struct AST_State* get_ast_state(struct token *id);
 struct AST_Event* get_ast_event(struct token *id);
 struct AST_States* get_ast_states(struct Queue *states);
 struct AST_Events* get_ast_events(struct Queue *events);
-struct AST_Transition* get_ast_transition(struct AST *from,struct AST_State *to,struct AST_Event *event,struct AST_Pipeline *pipeline);
+struct AST_Transition* get_ast_transition(struct AST_State *from,struct AST_State *to,struct AST_Event *event,struct AST *statement);
 struct AST_Command* get_ast_command(struct token *function_name,struct token *argument);
 struct AST_Pipeline* get_ast_pipeline(struct Queue *pipeline);
 struct AST_Machine* get_ast_machine(struct token *id,struct AST_States *states,struct AST_Events *events,struct AST_Transitions *transitions,struct AST_State *starting_state);
 struct AST_Transitions* get_ast_transitions(struct Queue *transitions);
 struct AST_Translation_Unit* get_ast_translation_unit(struct Queue *machines,struct Map *command_map,struct Map *machines_map);
-
 struct AST_Binary_Expression* get_ast_binary_expression(struct AST *left,struct AST *right,enum AST_Type type);
 struct AST_Unary_Expression* get_ast_unary_expression(struct AST *operand,enum AST_Type type);
 struct AST_Unchecked_State* get_ast_unchecked_state(struct token *name);
+struct AST_If_Statement* get_ast_if_statement(struct AST *condition,struct AST *body,struct AST *else_statement);
+
 
 struct AST_State* ast_check_state(struct AST_Unchecked_State *state,struct AST_States *states,struct Translation_Data *translation_data);
 
@@ -168,6 +180,7 @@ void delete_ast_translation_unit(struct AST_Translation_Unit *ast);
 void delete_ast_binary_expression(struct AST_Binary_Expression *ast);
 void delete_ast_unary_expression(struct AST_Unary_Expression *ast);
 void delete_ast_unchecked_state(struct AST_Unchecked_State *ast);
+void delete_ast_if_statement(struct AST_If_Statement *ast);
 
 
 void pointer_array_fill(void **array,struct Queue *q);