--- a/src/parser.h Sun Feb 02 01:50:23 2014 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,260 +0,0 @@
-/*
- Copyright 2012-2014 Santeri Piippo
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- 3. The name of the author may not be used to endorse or promote products
- derived from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef BOTC_PARSER_H
-#define BOTC_PARSER_H
-
-#include <stdio.h>
-#include "main.h"
-#include "commands.h"
-#include "lexer_scanner.h"
-#include "tokens.h"
-
-#define MAX_SCOPE 32
-#define MAX_CASE 64
-#define MAX_MARKS 512 // TODO: get rid of this
-
-class data_buffer;
-class lexer;
-class script_variable;
-
-struct undefined_label
-{
- string name;
- byte_mark* target;
-};
-
-// ============================================================================
-// Operators
-//
-enum operator_e
-{
- OPER_ADD,
- OPER_SUBTRACT,
- OPER_MULTIPLY,
- OPER_DIVIDE,
- OPER_MODULUS,
- OPER_ASSIGN,
- OPER_ASSIGNADD,
- OPER_ASSIGNSUB,
- OPER_ASSIGNMUL,
- OPER_ASSIGNDIV,
- OPER_ASSIGNMOD, // -- 10
- OPER_EQUALS,
- OPER_NOTEQUALS,
- OPER_LESSTHAN,
- OPER_GREATERTHAN,
- OPER_LESSTHANEQUALS,
- OPER_GREATERTHANEQUALS,
- OPER_LEFTSHIFT,
- OPER_RIGHTSHIFT,
- OPER_ASSIGNLEFTSHIFT,
- OPER_ASSIGNRIGHTSHIFT, // -- 20
- OPER_OR,
- OPER_AND,
- OPER_BITWISEOR,
- OPER_BITWISEAND,
- OPER_BITWISEEOR,
- OPER_TERNARY,
- OPER_STRLEN,
-};
-
-// ============================================================================
-//
-struct operator_info
-{
- operator_e opercode;
- e_data_header dataheader;
- e_token token;
-};
-
-// ============================================================================
-// Mark types
-//
-enum marktype_e
-{
- e_label_mark,
- e_if_mark,
- e_internal_mark, // internal structures
-};
-
-// ============================================================================
-// Scope types
-//
-enum scopetype_e
-{
- e_unknown_scope,
- e_if_scope,
- e_while_scope,
- e_for_scope,
- e_do_scope,
- e_switch_scope,
- e_else_scope,
-};
-
-// ============================================================================
-// Meta-data about scopes
-//
-struct ScopeInfo
-{
- byte_mark* mark1;
- byte_mark* mark2;
- scopetype_e type;
- data_buffer* buffer1;
-
- // switch-related stuff
- // Which case are we at?
- int casecursor;
-
- // Marks to case-blocks
- byte_mark* casemarks[MAX_CASE];
-
- // Numbers of the case labels
- int casenumbers[MAX_CASE];
-
- // actual case blocks
- data_buffer* casebuffers[MAX_CASE];
-
- // What is the current buffer of the block?
- data_buffer* recordbuffer;
-};
-
-// ============================================================================
-//
-struct constant_info
-{
- string name;
- type_e type;
- string val;
-};
-
-// ============================================================================
-//
-class botscript_parser
-{
- public:
- // ====================================================================
- // METHODS
- botscript_parser();
- ~botscript_parser();
- void parse_botscript (string file_name);
- data_buffer* parse_command (command_info* comm);
- data_buffer* parse_expression (type_e reqtype);
- data_buffer* parse_assignment (script_variable* var);
- int parse_operator (bool peek = false);
- data_buffer* parse_expr_value (type_e reqtype);
- string parse_float();
- void push_scope();
- data_buffer* parse_statement();
- void add_switch_case (data_buffer* b);
- void check_toplevel();
- void check_not_toplevel();
- bool token_is (e_token a);
- string token_string();
- string describe_position() const;
- void write_to_file (string outfile);
-
- inline int get_num_events() const
- {
- return m_num_events;
- }
-
- inline int get_num_states() const
- {
- return m_num_states;
- }
-
- private:
- // The lexer we're using.
- lexer* m_lx;
-
- // The main buffer - the contents of this is what we
- // write to file after parsing is complete
- data_buffer* m_main_buffer;
-
- // onenter buffer - the contents of the onenter{} block
- // is buffered here and is merged further at the end of state
- data_buffer* m_on_enter_buffer;
-
- // Mainloop buffer - the contents of the mainloop{} block
- // is buffered here and is merged further at the end of state
- data_buffer* m_main_loop_buffer;
-
- // Switch buffer - switch case data is recorded to this
- // buffer initially, instead of into main buffer.
- data_buffer* m_switch_buffer;
-
- int m_num_states;
- int m_num_events;
- parsermode_e m_current_mode;
- string m_current_state;
- bool m_state_spawn_defined;
- bool m_got_main_loop;
- int m_scope_cursor;
- data_buffer* m_if_expression;
- bool m_can_else;
- list<undefined_label> m_undefined_labels;
- list<constant_info> m_constants;
-
- // How many bytes have we written to file?
- int m_num_written_bytes;
-
- // Scope data
- // TODO: make a list
- ScopeInfo m_scope_stack[MAX_SCOPE];
-
- data_buffer* buffer();
- constant_info* find_constant (const string& tok);
- void parse_state_block();
- void parse_event_block();
- void parse_mainloop();
- void parse_on_enter_exit();
- void parse_variable_declaration();
- void parse_goto();
- void parse_if();
- void parse_else();
- void parse_while_block();
- void parse_for_block();
- void parse_do_block();
- void parse_switch_block();
- void parse_switch_case();
- void parse_switch_default();
- void parse_break();
- void parse_continue();
- void parse_block_end();
- void parse_const();
- void parse_label();
- void parse_eventdef();
- void parse_funcdef();
- void write_member_buffers();
- void write_string_table();
-};
-
-constant_info* find_constant (const string& tok);
-
-#endif // BOTC_PARSER_H