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Store function / operator types when they are registered.

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This commit is contained in:
Danila Fedorin
2018-03-15 19:41:11 -07:00
parent 429c0bde3e
commit ab2311def9
4 changed files with 75 additions and 19 deletions
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25
include/custom.h
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@@ -1,12 +1,28 @@
#ifndef LIBABACUS_CUSTOM_H
#define LIBABACUS_CUSTOM_H
#include "parsetype.h"
/**
* A function pointer that is called
* to execute a certain type of function.
*/
typedef void(*libab_function_ptr)();
/**
* The common information
* that both operators and functions shared.
*/
struct libab_behavior_s {
/**
* The function that handles the parameters.
*/
libab_function_ptr function;
/**
* The type of the function.
*/
libab_parsetype* type;
};
/**
* A struct that holds informatiion
* about an operator that has been
@@ -22,9 +38,9 @@ struct libab_operator_s {
*/
int associativity;
/**
* The functionality of the operator.
* The behavior of this operator.
*/
libab_function_ptr function;
struct libab_behavior_s behavior;
};
/**
@@ -34,11 +50,12 @@ struct libab_operator_s {
*/
struct libab_function_s {
/**
* The functionality of the function.
* The behavior of this function.
*/
libab_function_ptr function;
struct libab_behavior_s behavior;
};
typedef struct libab_behavior_s libab_behavior;
typedef struct libab_operator_s libab_operator;
typedef struct libab_function_s libab_function;

12
include/libabacus.h
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@@ -46,37 +46,41 @@ libab_result libab_init(libab* ab);
* @param op the operator string to register.
* @param precedence the precedence of the operator.
* @param associativity the associativity of the operator.
* @param type the type of this operator.
* @param func the function that describes the functionality of the operator.
* @return the result of the initialization.
*/
libab_result libab_register_operator_infix(libab* ab, const char* op, int precedence, int associativity, libab_function_ptr func);
libab_result libab_register_operator_infix(libab* ab, const char* op, int precedence, int associativity, const char* type, libab_function_ptr func);
/**
* Registers an operation with libabacus that appears
* before its operand.
* @param ab the libabacus instance to register the operator with.
* @param op the operator string to register.
* @param type the type of this operator.
* @param func the function that describes the functionality of the operator.
* @return the result of the registration.
*/
libab_result libab_register_operator_prefix(libab* ab, const char* op, libab_function_ptr func);
libab_result libab_register_operator_prefix(libab* ab, const char* op, const char* type, libab_function_ptr func);
/**
* Registers an operation with libabacus that appears
* after its operand.
* @param ab the libabacus instance to register the operator with.
* @param op the operator string to register.
* @param type the type of this operator.
* @param func the function that describes the functionality of the operator.
* @return the result of the registration.
*/
libab_result libab_register_operator_postfix(libab* ab, const char* op, libab_function_ptr func);
libab_result libab_register_operator_postfix(libab* ab, const char* op, const char* type, libab_function_ptr func);
/**
* Registers a function with libabacus.
* @param ab the libabacus instance used to keep state.
* @param name the name of the function.
* @param type the type of this operator.
* @param func the function that describes the functionality of the function.
* @return the result of the initialization.
*/
libab_result libab_register_function(libab* ab, const char* name, libab_function_ptr func);
libab_result libab_register_function(libab* ab, const char* name, const char* type, libab_function_ptr func);
/**
* Releases all the resources allocated by libabacus.
* @param ab the libabacus instance to release.