167 lines
3.7 KiB
C
167 lines
3.7 KiB
C
/*
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#FILENAME#
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#DESCRIPTION#
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Copyright (C) 2001 #AUTHOR#
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Author: #AUTHOR#
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Date: #DATE#
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifndef __expr_h
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#define __expr_h
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typedef enum {
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ex_label,
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ex_block,
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ex_expr, // binary expression
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ex_uexpr, // unary expression
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ex_def,
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ex_temp, // temporary variable
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ex_nil, // umm, nil, null. nuff said
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ex_name,
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ex_string,
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ex_float,
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ex_vector,
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ex_entity,
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ex_field,
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ex_func,
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ex_pointer,
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ex_quaternion,
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ex_integer,
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ex_uinteger,
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ex_short,
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} expr_type;
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typedef struct {
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statref_t *refs;
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dstatement_t *statement;
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const char *name;
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} elabel_t;
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typedef struct {
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struct expr_s *head;
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struct expr_s **tail;
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struct expr_s *result;
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int is_call;
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} block_t;
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typedef struct {
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struct expr_s *expr;
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def_t *def;
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type_t *type;
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int users;
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} temp_t;
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typedef struct {
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int val;
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type_t *type;
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int abs;
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} pointer_t;
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typedef struct expr_s {
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struct expr_s *next;
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expr_type type;
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int line;
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string_t file;
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int paren;
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union {
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elabel_t label;
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block_t block;
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struct {
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int op;
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type_t *type;
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struct expr_s *e1;
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struct expr_s *e2;
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} expr;
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def_t *def;
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temp_t temp;
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const char *string_val;
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float float_val;
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float vector_val[3];
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int entity_val;
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int field_val;
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int func_val;
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pointer_t pointer;
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float quaternion_val[4];
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int integer_val;
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unsigned int uinteger_val;
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short short_val;
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} e;
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} expr_t;
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extern etype_t qc_types[];
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extern struct type_s *types[];
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extern expr_type expr_types[];
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type_t *get_type (expr_t *e) __attribute__ ((const));
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etype_t extract_type (expr_t *e) __attribute__ ((const));
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expr_t *new_expr (void);
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const char *new_label_name (void);
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expr_t *new_label_expr (void);
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expr_t *new_block_expr (void);
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expr_t *new_binary_expr (int op, expr_t *e1, expr_t *e2);
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expr_t *new_unary_expr (int op, expr_t *e1);
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expr_t *new_temp_def_expr (type_t *type);
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expr_t *new_bind_expr (expr_t *e1, expr_t *e2);
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expr_t *new_name_expr (const char *name);
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void inc_users (expr_t *e);
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expr_t *append_expr (expr_t *block, expr_t *e);
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void print_expr (expr_t *e);
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void convert_int (expr_t *e);
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expr_t *test_expr (expr_t *e, int test);
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expr_t *binary_expr (int op, expr_t *e1, expr_t *e2);
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expr_t *asx_expr (int op, expr_t *e1, expr_t *e2);
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expr_t *unary_expr (int op, expr_t *e);
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expr_t *function_expr (expr_t *e1, expr_t *e2);
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expr_t *return_expr (function_t *f, expr_t *e);
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expr_t *conditional_expr (expr_t *cond, expr_t *e1, expr_t *e2);
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expr_t *incop_expr (int op, expr_t *e, int postop);
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expr_t *array_expr (expr_t *array, expr_t *index);
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expr_t *address_expr (expr_t *e1, expr_t *e2, type_t *t);
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expr_t *assign_expr (expr_t *e1, expr_t *e2);
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expr_t *cast_expr (type_t *t, expr_t *e);
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void init_elements (def_t *def, expr_t *eles);
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def_t *emit_statement (int line, opcode_t *op, def_t *var_a, def_t *var_b, def_t *var_c);
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void emit_expr (expr_t *e);
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expr_t *error (expr_t *e, const char *fmt, ...) __attribute__((format(printf, 2,3)));
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void warning (expr_t *e, const char *fmt, ...) __attribute__((format(printf, 2,3)));
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const char *get_op_string (int op);
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extern int lineno_base;
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#endif//__expr_h
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