Experiments/libabacus
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Add various ways to call code.

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This commit is contained in:
Danila Fedorin 2018-06-21 17:06:53 -07:00
parent 7dfc55154e
commit 03577269f2
2 changed files with 118 additions and 22 deletions
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40
include/libabacus.h
View File

@ -197,17 +197,55 @@ void libab_get_unit_value(libab* ab, libab_ref* into);
* @return the result of the computation.
*/
libab_result libab_run(libab* ab, const char* string, libab_ref* value);
/**
* Runs an already-compiled tree.
* @param ab the libabacus instance to use for executing code.
* @param tree the tree the run.
* @param value the reference into which to store the output.
* @return the result of the computation.
*/
libab_result libab_run_tree(libab* ab, libab_tree* tree, libab_ref* value);
/**
* Calls a function with the given name and parameters.
* @param ab the libabacus instance to use to call the function.
* @param function the name of the function to call.
* @param iunto the reference into which to store the result.
* @param into the reference into which to store the result.
* @param param_count the number of parameters given to this function.
* @return the result of the call.
*/
libab_result libab_run_function(libab* ab, const char* function,
libab_ref* into,
size_t param_count, ...);
/**
* Calls a string in a given surrounding scope.
* @param ab the libabacus instance to use to call the function.
* @param strign the string to run.
* @param scope the scope to use for calling the string.
* @param value the reference into which to store the output of the computation.
* @return the result of the computation.
*/
libab_result libab_run_scoped(libab* ab, const char* string, libab_ref* scope, libab_ref* value);
/**
* Calls a tree in a given scope.
* @param ab the libabacus instance to use to call the tree.
* @param tree the tree to call.
* @param scope the scope to use for the call.
* @param value the reference into which to store the output.
* @return the result of the call.
*/
libab_result libab_run_tree_scoped(libab* ab, libab_tree* tree, libab_ref* scope, libab_ref* value);
/**
* Calls a function with the given name and parameters using a given scope.
* @param ab the libabacus instance to use to call the function.
* @param function the name of the function to call.
* @param scope the scope in which to perform the call.
* @param into the reference into which to store the result.
* @param param_count the number of parameters given to this function.
* @return the result of the call.
*/
libab_result libab_run_function_scoped(libab* ab, const char* function, libab_ref* scope,
libab_ref* into,
size_t param_count, ...);
/**
* Releases all the resources allocated by libabacus.

100
src/libabacus.c
View File

@ -378,28 +378,49 @@ void libab_get_unit_value(libab* ab, libab_ref* into) {
libab_interpreter_unit_value(&ab->intr, into);
}
libab_result libab_run(libab* ab, const char* string, libab_ref* value) {
libab_result _create_tree(libab* ab, const char* string, libab_tree** into) {
libab_result result = LIBAB_SUCCESS;
ll tokens;
libab_tree* root;
ll_init(&tokens);
libab_ref_null(value);
*into = NULL;
result = libab_lexer_lex(&ab->lexer, string, &tokens);
if (result == LIBAB_SUCCESS) {
result = libab_parser_parse(&ab->parser, &tokens, string, &root);
}
if (result == LIBAB_SUCCESS) {
libab_ref_free(value);
result = libab_interpreter_run(&ab->intr, root, &ab->table, SCOPE_NORMAL, value);
libab_tree_free_recursive(root);
if(result == LIBAB_SUCCESS) {
result = libab_parser_parse(&ab->parser, &tokens, string, into);
}
ll_foreach(&tokens, NULL, compare_always, libab_lexer_foreach_match_free);
ll_free(&tokens);
return result;
}
libab_result _handle_va_params(libab* ab, libab_ref_vec* into, size_t param_count, va_list args) {
libab_result result = libab_ref_vec_init(into);
if(result == LIBAB_SUCCESS) {
while(result == LIBAB_SUCCESS && param_count--) {
result = libab_ref_vec_insert(into, va_arg(args, libab_ref*));
}
if(result != LIBAB_SUCCESS) {
libab_ref_vec_free(into);
}
}
return result;
}
libab_result libab_run(libab* ab, const char* string, libab_ref* value) {
libab_result result;
libab_tree* root;
libab_ref_null(value);
result = _create_tree(ab, string, &root);
if (result == LIBAB_SUCCESS) {
libab_ref_free(value);
result = libab_interpreter_run(&ab->intr, root, &ab->table, SCOPE_FORCE, value);
libab_tree_free_recursive(root);
}
return result;
}
@ -413,16 +434,10 @@ libab_result libab_run_function(libab* ab, const char* function,
va_start(args, param_count);
libab_ref_null(into);
result = libab_ref_vec_init(&params);
result = _handle_va_params(ab, &params, param_count, args);
if(result == LIBAB_SUCCESS) {
while(result == LIBAB_SUCCESS && param_count--) {
result = libab_ref_vec_insert(&params, va_arg(args, libab_ref*));
}
if(result == LIBAB_SUCCESS) {
libab_ref_free(into);
result = libab_interpreter_run_function(&ab->intr, &ab->table, function, &params, into);
}
libab_ref_free(into);
result = libab_interpreter_run_function(&ab->intr, &ab->table, function, &params, into);
libab_ref_vec_free(&params);
}
@ -431,6 +446,49 @@ libab_result libab_run_function(libab* ab, const char* function,
return result;
}
libab_result libab_run_tree(libab* ab, libab_tree* tree, libab_ref* value) {
return libab_interpreter_run(&ab->intr, tree, &ab->table, SCOPE_FORCE, value);
}
libab_result libab_run_scoped(libab* ab, const char* string, libab_ref* scope, libab_ref* into) {
libab_result result;
libab_tree* root;
libab_ref_null(into);
result = _create_tree(ab, string, &root);
if(result == LIBAB_SUCCESS) {
libab_ref_free(into);
result = libab_interpreter_run(&ab->intr, root, scope, SCOPE_NONE, into);
libab_tree_free_recursive(root);
}
return result;
}
libab_result libab_run_function_scoped(libab* ab, const char* function, libab_ref* scope, libab_ref* into,
size_t param_count, ...) {
libab_ref_vec params;
libab_result result;
va_list args;
va_start(args, param_count);
libab_ref_null(into);
result = _handle_va_params(ab, &params, param_count, args);
if(result == LIBAB_SUCCESS) {
libab_ref_free(into);
result = libab_interpreter_run_function(&ab->intr, scope, function, &params, into);
libab_ref_vec_free(&params);
}
va_end(args);
return result;
}
libab_result libab_run_tree_scoped(libab* ab, libab_tree* tree, libab_ref* scope, libab_ref* into) {
return libab_interpreter_run(&ab->intr, tree, scope, SCOPE_NONE, into);
}
libab_result libab_free(libab* ab) {
libab_table_free(libab_ref_get(&ab->table));
libab_ref_free(&ab->table);