131 lines
3.0 KiB
C
131 lines
3.0 KiB
C
#ifndef LIBGROUND_H
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#define LIBGROUND_H
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/*
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* groundvm.h
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* Provides an interface for external programs wanting to run Ground code.
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*
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdarg.h>
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typedef enum GroundInstType {
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IF, JUMP, END, INPUT, PRINT, PRINTLN, SET, GETTYPE, EXISTS, SETLIST, SETLISTAT, GETLISTAT, GETLISTSIZE, LISTAPPEND, GETSTRSIZE, GETSTRCHARAT, ADD, SUBTRACT, MULTIPLY, DIVIDE, EQUAL, INEQUAL, NOT, GREATER, LESSER, STOI, STOD, TOSTRING, FUN, RETURN, ENDFUN, PUSHARG, CALL, STRUCT, ENDSTRUCT, INIT, USE, EXTERN, CREATELABEL, PAUSE
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} GroundInstType;
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typedef enum GroundValueType {
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INT, DOUBLE, STRING, CHAR, BOOL, LIST, FUNCTION, CUSTOM, NONE
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} GroundValueType;
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typedef enum GroundArgType {
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VALUE, VALREF, DIRREF, LINEREF, LABEL, FNREF, TYPEREF
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} GroundArgType;
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typedef enum ListAccessStatus {
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LIST_OKAY, LIST_OUT_OF_BOUNDS, LIST_FIXME
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} ListAccessStatus;
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struct GroundValue;
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struct GroundFunction;
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struct List;
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/*
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* Custom data type that stores Ground values.
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*/
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typedef struct List {
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size_t size;
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struct GroundValue* values;
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} List;
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/*
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* Stores literal values created in a Ground program.
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*/
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typedef struct GroundValue {
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GroundValueType type;
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union {
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int64_t intVal;
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double doubleVal;
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char* stringVal;
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char charVal;
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bool boolVal;
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List listVal;
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struct GroundFunction* fnVal;
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void* customVal;
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} data;
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} GroundValue;
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/*
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* Indicates status when accessing a list.
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*/
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typedef struct ListAccess {
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ListAccessStatus status;
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GroundValue* value;
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} ListAccess;
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/*
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* Stores arguments for the GroundInstruction struct.
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*/
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typedef struct GroundArg {
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GroundArgType type;
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union {
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GroundValue value;
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char* refName;
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} value;
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} GroundArg;
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/*
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* Represents a Ground instruction.
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*/
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typedef struct GroundInstruction {
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GroundInstType type;
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struct {
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GroundArg* args;
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size_t length;
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} args;
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} GroundInstruction;
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/*
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* Represents a Ground program or function.
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*/
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typedef struct GroundProgram {
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GroundInstruction* instructions;
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size_t size;
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} GroundProgram;
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/*
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* Represents the argument typing for a GroundFunction.
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*/
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typedef struct GroundFunctionArgs {
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GroundValueType type;
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char* name;
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} GroundFunctionArgs;
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/*
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* Represents a Ground function.
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*/
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typedef struct GroundFunction {
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GroundFunctionArgs* args;
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size_t argSize;
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GroundValueType returnType;
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GroundProgram program;
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size_t startLine;
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} GroundFunction;
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GroundProgram groundCreateProgram();
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void groundAddInstructionToProgram(GroundProgram* program, GroundInstruction instruction);
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GroundValue groundRunProgram(GroundProgram* program);
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GroundInstruction groundCreateInstruction(GroundInstType type);
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void groundAddValueToInstruction(GroundInstruction* inst, GroundValue value);
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void groundAddReferenceToInstruction(GroundInstruction* inst, GroundArg value);
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GroundArg groundCreateReference(GroundArgType type, char* ref);
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GroundValue groundCreateValue(GroundValueType type, ...);
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#endif
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