traxys/tree-sitter
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Add runtime specs

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This commit is contained in:
Max Brunsfeld 2013-12-17 13:14:41 -08:00
parent 9618efd12a
commit 3417ad5adb
11 changed files with 542 additions and 294 deletions
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25
src/compiler/code_gen/c_code.cpp
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@ -30,21 +30,18 @@ namespace tree_sitter {
string _switch(string condition, string body) {
return "switch (" + condition + ") {\n" +
indent(body) + "\n" +
indent(body) +
"}";
}
string _case(string value, string body) {
return "case " + value + ": {\n" +
indent(body) + "\n" +
indent("break;") + "\n"
"}\n";
return "case " + value + ":\n" +
indent(body) + "\n";
}
string _default(string body) {
return "default: {\n" +
indent(body) + "\n"
"}";
return "default:\n" +
indent(body) + "\n";
}
class CCodeGenerator {
@ -99,7 +96,7 @@ namespace tree_sitter {
string body = "";
for (int i = 0; i < parse_table.states.size(); i++)
body += _case(std::to_string(i), switch_on_lookahead(parse_table.states[i]));
body += _default("ERROR()");
body += _default("ERROR();");
return _switch("PARSE_STATE()", body);
}
@ -114,18 +111,16 @@ namespace tree_sitter {
string parse_function() {
return
"TSTree * ts_parse_arithmetic() {\n" +
indent("SETUP_PARSER()") + "\n" +
"start:\n" +
"TSTree ts_parse_arithmetic(const char *input) {\n" +
indent("START_PARSER();") + "\n" +
indent(switch_on_current_state(parse_table)) + "\n" +
"done:\n" +
indent("return PARSE_TREE();") + "\n"
indent("FINISH_PARSER();") + "\n"
"}";
}
string code() {
return
"#include <tree_sitter/runtime.h>\n"
"#include \"runtime.h\"\n"
"#include <stdlib.h>\n"
"\n\n" +
symbol_enum() +