summaryrefslogtreecommitdiffstats
path: root/src/parser.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/parser.cpp')
-rw-r--r--src/parser.cpp302
1 files changed, 0 insertions, 302 deletions
diff --git a/src/parser.cpp b/src/parser.cpp
deleted file mode 100644
index ce408eb..0000000
--- a/src/parser.cpp
+++ /dev/null
@@ -1,302 +0,0 @@
-/*
- Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
- 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.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
-*/
-
-
-#include "parser.hpp"
-
-#include <cstdlib>
-
-
-namespace solar {
-
-enum parser_state {
- STATE_INIT,
- STATE_RULE_BAR,
- STATE_RULE_EQUAL,
- STATE_RULE,
- STATE_RULE_VAR_PRE,
- STATE_RULE_VAR,
- STATE_RULE_VAR_POST,
- STATE_TYPE,
- STATE_TYPE_NONTERM,
- STATE_TYPE_TERM,
- STATE_TYPE_TERM_BLOCK,
- STATE_HEADER,
- STATE_SOURCE,
- STATE_EXTRA_ARG,
- STATE_EXTRA_ARG_NAME,
-};
-
-struct parser {
- parser_state state;
-};
-
-parser_t * parser_alloc(void) {
- parser_t *parser = (parser_t *)std::malloc(sizeof(parser_t));
- parser->state = STATE_INIT;
-
- return parser;
-}
-
-int parser_push(parser_t *parser, int token, const parser_value_t *value, parser_state_t *state) {
- switch (parser->state) {
- case STATE_INIT:
- switch (token) {
- case TOK_SYMBOL_LC:
- parser->state = STATE_RULE_BAR;
- state->new_rule(*value->str);
- delete value->str;
- return 1;
-
- case TOK_TYPE:
- parser->state = STATE_TYPE;
- return 1;
-
- case TOK_SOURCE:
- parser->state = STATE_SOURCE;
- return 1;
-
- case TOK_HEADER:
- parser->state = STATE_HEADER;
- return 1;
-
- case TOK_EXTRA_ARG:
- parser->state = STATE_EXTRA_ARG;
- return 1;
-
- case 0:
- return 0;
- }
-
- break;
-
- case STATE_RULE_BAR:
- if (token == '|') {
- parser->state = STATE_RULE_EQUAL;
- return 1;
- }
-
- break;
-
- case STATE_RULE_EQUAL:
- if (token == '=') {
- parser->state = STATE_RULE;
- return 1;
- }
-
- break;
-
- case STATE_RULE:
- switch (token) {
- case TOK_SYMBOL_LC:
- state->add_rule_nonterminal(*value->str);
- delete value->str;
- return 1;
-
- case TOK_SYMBOL_UC:
- state->add_rule_terminal(*value->str);
- delete value->str;
- return 1;
-
- case TOK_CHAR:
- state->add_rule_terminal(value->number);
- return 1;
-
- case TOK_BLOCK:
- state->add_rule(*value->str);
- delete value->str;
- parser->state = STATE_INIT;
- return 1;
-
- case '(':
- parser->state = STATE_RULE_VAR_PRE;
- return 1;
-
- case ';':
- state->add_rule();
- parser->state = STATE_INIT;
- return 1;
- }
-
- break;
-
- case STATE_RULE_VAR_PRE:
- switch (token) {
- case TOK_SYMBOL:
- case TOK_SYMBOL_UC:
- case TOK_SYMBOL_LC:
- state->add_rule_var(*value->str);
- delete value->str;
- parser->state = STATE_RULE_VAR;
- return 1;
- }
-
- break;
-
- case STATE_RULE_VAR:
- if (token == ')') {
- parser->state = STATE_RULE;
- return 1;
- }
-
- break;
-
- case STATE_RULE_VAR_POST:
- switch (token) {
- case TOK_SYMBOL_LC:
- state->add_rule_nonterminal(*value->str);
- delete value->str;
- return 1;
-
- case TOK_SYMBOL_UC:
- state->add_rule_terminal(*value->str);
- delete value->str;
- return 1;
-
- case TOK_CHAR:
- state->add_rule_terminal(value->number);
- return 1;
-
- case TOK_BLOCK:
- state->add_rule(*value->str);
- delete value->str;
- parser->state = STATE_INIT;
- return 1;
-
- case ';':
- state->add_rule();
- parser->state = STATE_INIT;
- return 1;
- }
-
- break;
-
- case STATE_TYPE:
- switch (token) {
- case TOK_SYMBOL_LC:
- state->add_type_nonterminal(*value->str);
- delete value->str;
- parser->state = STATE_TYPE_NONTERM;
- return 1;
-
- case TOK_SYMBOL_UC:
- state->add_type_terminal(*value->str);
- delete value->str;
- parser->state = STATE_TYPE_TERM;
- return 1;
- }
-
- break;
-
- case STATE_TYPE_NONTERM:
- if (token == TOK_BLOCK) {
- state->set_type_nonterminal(*value->str);
- delete value->str;
- parser->state = STATE_INIT;
- return 1;
- }
-
- break;
-
- case STATE_TYPE_TERM:
- if (token == TOK_BLOCK) {
- state->set_type_terminal(*value->str);
- delete value->str;
- parser->state = STATE_TYPE_TERM_BLOCK;
- return 1;
- }
-
- break;
-
- case STATE_TYPE_TERM_BLOCK:
- switch (token) {
- case TOK_SYMBOL:
- case TOK_SYMBOL_UC:
- case TOK_SYMBOL_LC:
- state->set_type_terminal_name(*value->str);
- delete value->str;
- parser->state = STATE_INIT;
- return 1;
- }
- break;
-
- case STATE_HEADER:
- if (token == TOK_BLOCK) {
- state->set_header_block(*value->str);
- delete value->str;
- parser->state = STATE_INIT;
- return 1;
- }
-
- break;
-
- case STATE_SOURCE:
- if (token == TOK_BLOCK) {
- state->set_source_block(*value->str);
- delete value->str;
- parser->state = STATE_INIT;
- return 1;
- }
-
- break;
-
- case STATE_EXTRA_ARG:
- if (token == TOK_BLOCK) {
- state->add_extra_arg(*value->str);
- delete value->str;
- parser->state = STATE_EXTRA_ARG_NAME;
- return 1;
- }
- break;
-
- case STATE_EXTRA_ARG_NAME:
- switch (token) {
- case TOK_SYMBOL:
- case TOK_SYMBOL_UC:
- case TOK_SYMBOL_LC:
- state->set_extra_arg_name(*value->str);
- delete value->str;
- parser->state = STATE_INIT;
- return 1;
- }
- }
-
- switch (token) {
- case TOK_SYMBOL:
- case TOK_SYMBOL_UC:
- case TOK_SYMBOL_LC:
- case TOK_CHAR:
- case TOK_BLOCK:
- delete value->str;;
- }
-
- return -1;
-}
-
-void parser_free(parser_t *parser) {
- std::free(parser);
-}
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-04 07:18:38 +0200