summaryrefslogtreecommitdiffstats
path: root/src/output_header.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/output_header.cpp')
-rw-r--r--src/output_header.cpp85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/output_header.cpp b/src/output_header.cpp
new file mode 100644
index 0000000..a99369c
--- /dev/null
+++ b/src/output_header.cpp
@@ -0,0 +1,85 @@
+/*
+ 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 "output_header.hpp"
+
+
+namespace solar {
+
+void output_header_t::emit_tokens() {
+ if (get_tokens().empty())
+ return;
+
+ block_t token(this, "typedef enum ", prefixed("token"));
+
+ for (const auto &token : get_tokens())
+ write_line(token.first.c_str(), " = ", token.second + 256, ",");
+
+ token.close_(" ", prefixed("token_t"));
+}
+
+void output_header_t::emit_token_value() {
+ block_t token_value(this, "typedef struct ", prefixed("token_value"));
+
+ std::map<std::string, std::string> token_values;
+
+ for (const symbol_t &term : get_generator()->get_terminals()) {
+ const auto &type = get_generator()->get_grammar().get_term_type(term);
+ if (!type.first.empty())
+ token_values.insert(std::make_pair(type.second, type.first));
+ }
+
+ for (const auto &value : token_values)
+ write_line_(variable_t({value.second.c_str(), value.first.c_str()}));
+
+ token_value.close_(" ", prefixed("token_value_t"));
+}
+
+void output_header_t::write() {
+ write_line("#pragma once");
+ write_line();
+
+ if (!get_generator()->get_grammar().header_block.empty()) {
+ write_line(get_generator()->get_grammar().header_block);
+ write_line();
+ }
+
+ emit_tokens();
+ write_line();
+
+ emit_token_value();
+ write_line();
+
+ write_line_("typedef struct ", prefixed("context"), " ", prefixed("context_t"));
+ write_line();
+
+ write_line_(sig_alloc());
+ write_line_(sig_free());
+ write_line();
+ write_line_(sig_push());
+}
+
+};