diff --git a/src/oberon-internals.h b/src/oberon-internals.h
index d6c3881d2d54e2cb67f554371479a2c0386153fe..d9f311911b94022a2ca7a7a7d6fdb08c869c33f2 100644 (file)
--- a/src/oberon-internals.h
+++ b/src/oberon-internals.h
#ifndef OBERON_INTERNALS_H
#define OBERON_INTERNALS_H
+#include <stdint.h>
+#include <stdbool.h>
+
typedef struct gen_module_t gen_module_t;
typedef struct gen_proc_t gen_proc_t;
typedef struct gen_type_t gen_type_t;
typedef struct gen_var_t gen_var_t;
-typedef struct gen_block_t gen_block_t;
+typedef struct gen_label_t gen_label_t;
typedef struct gen_context_t gen_context_t;
typedef struct oberon_type_t oberon_type_t;
typedef struct oberon_context_t oberon_context_t;
typedef struct oberon_scope_t oberon_scope_t;
+typedef struct oberon_location_t oberon_location_t;
+typedef struct oberon_scanner_t oberon_scanner_t;
typedef struct oberon_item_t oberon_item_t;
typedef struct oberon_oper_t oberon_oper_t;
typedef union oberon_expr_t oberon_expr_t;
int local;
oberon_object_t * parent;
oberon_type_t * parent_type;
+
+ gen_label_t * exit_label;
};
-enum
+enum oberon_type_kind
{
- OBERON_TYPE_VOID,
+ OBERON_TYPE_NOTYPE,
OBERON_TYPE_INTEGER,
OBERON_TYPE_BOOLEAN,
OBERON_TYPE_PROCEDURE,
OBERON_TYPE_ARRAY,
OBERON_TYPE_RECORD,
OBERON_TYPE_POINTER,
- OBERON_TYPE_REAL
+ OBERON_TYPE_REAL,
+ OBERON_TYPE_CHAR,
+ OBERON_TYPE_STRING,
+ OBERON_TYPE_SET,
+ OBERON_TYPE_NIL,
+ OBERON_TYPE_SYSTEM_BYTE,
+ OBERON_TYPE_SYSTEM_PTR
};
+typedef oberon_expr_t * (*GenerateFuncCallback)(oberon_context_t *, int, oberon_expr_t *);
+typedef void (*GenerateProcCallback)(oberon_context_t *, int, oberon_expr_t *);
+
struct oberon_type_t
{
- int class;
+ enum oberon_type_kind class;
int size;
+ oberon_type_t * shorter;
+ oberon_type_t * longer;
int num_decl;
oberon_type_t * base;
oberon_object_t * decl;
+ oberon_scope_t * scope;
+
+ bool sysproc;
+ GenerateFuncCallback genfunc;
+ GenerateProcCallback genproc;
oberon_module_t * module;
gen_type_t * gen_type;
};
-enum
+enum oberon_object_kind
{
OBERON_CLASS_VAR,
OBERON_CLASS_TYPE,
OBERON_CLASS_MODULE
};
-typedef oberon_expr_t * (*GenerateFuncCallback)(oberon_context_t *, int, oberon_expr_t *);
-typedef void (*GenerateProcCallback)(oberon_context_t *, int, oberon_expr_t *);
-
struct oberon_object_t
{
char * name;
- int class;
+ enum oberon_object_kind class;
int export;
int read_only;
oberon_scope_t * scope; // for proc
int has_return; // for proc
- int sysproc;
- GenerateFuncCallback genfunc;
- GenerateProcCallback genproc;
oberon_type_t * type;
oberon_item_t * value;
struct oberon_module_t
{
char * name;
- int ready;
+ bool ready;
+ bool intrinsic;
oberon_scope_t * decl;
gen_module_t * gen_mod;
};
-typedef const char * (*ModuleImportCallback)(const char * name);
+struct oberon_location_t
+{
+ const char * source;
+ int line;
+ int col;
+};
+
+struct oberon_scanner_t
+{
+ char * source;
+ char * code;
+};
+
+typedef oberon_scanner_t * (*ModuleImportCallback)(const char * name);
struct oberon_context_t
{
/*** SCANER DATA ***/
const char * code;
int code_index;
+ oberon_location_t loc;
+ oberon_location_t xloc;
char c;
int token;
char * string;
- long integer;
+ int64_t integer;
double real;
+ bool longmode;
/*** END SCANER DATA ***/
/*** PARSER DATA ***/
oberon_module_t * mod;
/*** END PARSER DATA ***/
- oberon_type_t * int_type;
+ oberon_scope_t * world_scope;
+ oberon_type_t * notype_type;
+ oberon_type_t * nil_type;
oberon_type_t * bool_type;
+ oberon_type_t * byte_type;
+ oberon_type_t * shortint_type;
+ oberon_type_t * int_type;
+ oberon_type_t * longint_type;
oberon_type_t * real_type;
- oberon_type_t * void_type;
- oberon_type_t * void_ptr_type;
- oberon_scope_t * world_scope;
+ oberon_type_t * longreal_type;
+ oberon_type_t * char_type;
+ oberon_type_t * string_type;
+ oberon_type_t * set_type;
+
+ oberon_module_t * system_module;
+ oberon_type_t * system_byte_type;
+ oberon_type_t * system_ptr_type;
+
oberon_module_t * module_list;
ModuleImportCallback import_module;
gen_context_t * gen_context;
};
-enum
+enum oberon_mode_kind
{
MODE_VAR,
MODE_INTEGER,
MODE_DEREF,
MODE_NIL,
MODE_NEW,
- MODE_REAL
+ MODE_REAL,
+ MODE_CHAR,
+ MODE_STRING,
+ MODE_TYPE,
+ MODE_SET,
+ MODE_LEN,
+ MODE_SYSBYTE,
+ MODE_AS
};
-enum
+enum oberon_operator_kind
{
OP_UNARY_MINUS,
- OP_BITWISE_NOT,
OP_LOGIC_NOT,
OP_ABS,
+ OP_CAP,
+ OP_ENTIER,
OP_ADD,
OP_SUB,
OP_MUL,
OP_DIV,
OP_MOD,
- OP_BITWISE_AND,
- OP_BITWISE_XOR,
- OP_BITWISE_OR,
OP_LOGIC_AND,
OP_LOGIC_OR,
OP_LSS,
OP_LEQ,
OP_GRT,
- OP_GEQ
+ OP_GEQ,
+
+ OP_CAST,
+ OP_HARDCAST,
+ OP_IS,
+
+ OP_RANGE,
+ OP_UNION,
+ OP_INTERSECTION,
+ OP_DIFFERENCE,
+ OP_SYM_DIFFERENCE,
+ OP_COMPLEMENTATION,
+ OP_IN,
+
+ OP_ASH,
+ OP_LSH,
+ OP_ROT
};
struct oberon_item_t
{
- int is_item; // == 1
+ bool is_item; // == 1
oberon_type_t * result;
oberon_expr_t * next;
- int read_only;
+ bool read_only;
- int mode;
+ enum oberon_mode_kind mode;
long integer;
double real;
- int boolean;
+ char * string;
oberon_object_t * var;
oberon_item_t * parent;
struct oberon_oper_t
{
- int is_item; // == 0
+ bool is_item; // == 0
oberon_type_t * result;
oberon_expr_t * next;
- int read_only;
+ bool read_only;
- int op;
+ enum oberon_operator_kind op;
oberon_expr_t * left;
oberon_expr_t * right;
};
union oberon_expr_t
{
struct {
- int is_item;
+ bool is_item;
oberon_type_t * result;
oberon_expr_t * next;
- int read_only;
+ bool read_only;
};
oberon_item_t item;
oberon_oper_t oper;
};
+extern oberon_context_t *
+oberon_create_context(ModuleImportCallback import_module);
+
extern void
-oberon_error(oberon_context_t * ctx, const char * fmt, ...);
+oberon_destroy_context(oberon_context_t * ctx);
+
+extern oberon_module_t *
+oberon_compile_module(oberon_context_t * ctx, oberon_scanner_t * s);
#endif // OBERON_INTERNALS_H