100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
#ifndef EAXHLA_H
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#define EAXHLA_H
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#include <tommyds/tommyds/tommyhashtbl.h>
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#define WORD_SIZE_IN_BYTES (64/8)
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// XXX these should be private
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typedef enum {
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VARIABLE_SYMBOL,
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LABEL_SYMBOL,
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} symbol_type_t;
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typedef struct {
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symbol_type_t symbol_type;
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union {
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struct { // VARIABLE_SYMBOL
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int type;
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size_t elements;
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union {
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long value;
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void * array_value;
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};
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};
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struct { // LABEL_SYMBOL
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int is_resolved;
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};
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};
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char * name;
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unsigned _id;
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unsigned _hash;
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tommy_node _node;
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} symbol_t;
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/* private:
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symbol_t * new_symbol(const char * const name);
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void free_symbol(void * name);
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*/
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extern tommy_hashtable symbol_table;
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typedef struct {
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unsigned number : 6;
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unsigned size : 2;
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} cpuregister_t;
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extern int system_type;
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/* Used for error discovery
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*/
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extern int is_program_found;
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extern int has_encountered_error;
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/* Used for error reporting
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*/
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extern char * yyfilename;
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extern int eaxhla_init(void);
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extern int eaxhla_deinit(void);
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extern int variable_size_sum(void);
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// Language constructs
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extern void add_program(const char * const name);
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extern void add_scope(const char * const name);
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extern void add_variable(unsigned type, const char * const name);
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extern void add_variable_with_value(unsigned type, const char * const name, size_t value);
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extern void add_array_variable(unsigned type, const char * const name, size_t size);
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extern void add_array_variable_with_value(unsigned type, const char * const name, size_t size, void * value, size_t value_size);
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extern void add_literal(void * data, size_t size);
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extern void add_label(const char * const name, int is_resolved);
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extern void add_procedure(const char * const name);
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extern void add_fastcall(const char * const destination);
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extern void fin_procedure(void);
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extern void fin_hla(void);
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/* Not implemented
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extern symbol_t * add_function(symbol_t function);
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extern symbol_t * get_function(const char * const name);
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*/
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// Asm value constructs
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/* These functions MUST return a valid symbol_t or
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* we segv and catch fire.
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* Unresolved symbol errors are handled internally.
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*/
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extern symbol_t * get_relative(const char * const name);
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extern symbol_t * get_variable(const char * const name);
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// XXX: move to assembler.h,
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// delete the switch bullshit, you can get away with artimetrics,
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// also typedef the D\d+ type
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extern int type2size(int type); // XXX: the return type is an anon enum
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extern int size2bytes(const int size); // XXX: size is an anon enum
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// Error reporting
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extern void issue_warning(const char * format, ...);
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extern void issue_error(const char * format, ...);
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#endif
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