mirror of
https://github.com/DarkPlacesEngine/gmqcc.git
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801 lines
28 KiB
C
801 lines
28 KiB
C
/*
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* Copyright (C) 2012
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* Dale Weiler, Wolfgang Bumiller
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef GMQCC_HDR
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#define GMQCC_HDR
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#include <limits.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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#define GMQCC_VERSION_MAJOR 0
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#define GMQCC_VERSION_MINOR 1
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#define GMQCC_VERSION_PATCH 0
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#define GMQCC_VERSION_BUILD(J,N,P) (((J)<<16)|((N)<<8)|(P))
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#define GMQCC_VERSION \
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GMQCC_VERSION_BUILD(GMQCC_VERSION_MAJOR, GMQCC_VERSION_MINOR, GMQCC_VERSION_PATCH)
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/*
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* We cannoy rely on C99 at all, since compilers like MSVC
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* simply don't support it. We define our own boolean type
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* as a result (since we cannot include <stdbool.h>). For
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* compilers that are in 1999 mode (C99 compliant) we can use
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* the language keyword _Bool which can allow for better code
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* on GCC and GCC-like compilers, opposed to `int`.
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*/
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#ifndef __cplusplus
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# ifdef false
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# undef false
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# endif /* !false */
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# ifdef true
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# undef true
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# endif /* !true */
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# define false (0)
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# define true (1)
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# ifdef __STDC_VERSION__
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# if __STDC_VERSION__ < 199901L && __GNUC__ < 3
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typedef int bool;
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# else
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typedef _Bool bool;
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# endif
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# else
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typedef int bool;
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# endif /* !__STDC_VERSION__ */
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#endif /* !__cplusplus */
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/*
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* Of some functions which are generated we want to make sure
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* that the result isn't ignored. To find such function calls,
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* we use this macro.
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*/
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#if defined(__GNUC__) || defined(__CLANG__)
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# define GMQCC_WARN __attribute__((warn_unused_result))
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#else
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# define GMQCC_WARN
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#endif
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/*
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* This is a hack to silent clang regarding empty
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* body if statements.
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*/
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#define GMQCC_SUPPRESS_EMPTY_BODY do { } while (0)
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/*
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* Inline is not supported in < C90, however some compilers
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* like gcc and clang might have an inline attribute we can
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* use if present.
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*/
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#ifdef __STDC_VERSION__
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# if __STDC_VERSION__ < 199901L
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# if defined(__GNUC__) || defined (__CLANG__)
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# if __GNUC__ < 2
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# define GMQCC_INLINE
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# else
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# define GMQCC_INLINE __attribute__ ((always_inline))
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# endif
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# else
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# define GMQCC_INLINE
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# endif
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# else
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# define GMQCC_INLINE inline
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# endif
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#else
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# define GMQCC_INLINE
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#endif /* !__STDC_VERSION__ */
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/*
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* noreturn is present in GCC and clang
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* it's required for _ast_node_destory otherwise -Wmissing-noreturn
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* in clang complains about there being no return since abort() is
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* called.
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*/
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#if (defined(__GNUC__) && __GNUC__ >= 2) || defined(__CLANG__)
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# define GMQCC_NORETURN __attribute__ ((noreturn))
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#else
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# define GMQCC_NORETURN
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#endif
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/*
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* stdint.h and inttypes.h -less subset
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* for systems that don't have it, which we must
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* assume is all systems. (int8_t not required)
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*/
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#if CHAR_MIN == -128
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typedef unsigned char uint8_t; /* same as below */
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#elif SCHAR_MIN == -128
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typedef unsigned char uint8_t; /* same as above */
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#endif
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#if SHRT_MAX == 0x7FFF
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typedef short int16_t;
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typedef unsigned short uint16_t;
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#elif INT_MAX == 0x7FFF
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typedef int int16_t;
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typedef unsigned int uint16_t;
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#endif
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#if INT_MAX == 0x7FFFFFFF
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typedef int int32_t;
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typedef unsigned int uint32_t;
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typedef long int64_t;
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typedef unsigned long uint64_t;
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#elif LONG_MAX == 0x7FFFFFFF
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typedef long int32_t;
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typedef unsigned long uint32_t;
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/*
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* It's nearly impossible to figure out a 64bit type at
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* this point without making assumptions about the build
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* enviroment. So if clang or gcc is detected use some
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* compiler builtins to create a 64 signed and unsigned
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* type.
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*/
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# if defined(__GNUC__) || defined (__CLANG__)
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typedef int int64_t __attribute__((__mode__(__DI__)));
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typedef unsigned int uint64_t __attribute__((__mode__(__DI__)));
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# else
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/*
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* Incoorectly size the types so static assertions below will
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* fail. There is no valid way to get a 64bit type at this point
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* without making assumptions of too many things.
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*/
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typedef struct { char _fail : 0; } int64_t;
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typedef struct { char _fail : 0; } uint64_t;
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# endif
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#endif
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#ifdef _LP64 /* long pointer == 64 */
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typedef unsigned long uintptr_t;
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typedef long intptr_t;
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#else
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typedef unsigned int uintptr_t;
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typedef int intptr_t;
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#endif
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/* Ensure type sizes are correct: */
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typedef char uint8_size_is_correct [sizeof(uint8_t) == 1?1:-1];
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typedef char uint16_size_is_correct [sizeof(uint16_t) == 2?1:-1];
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typedef char uint32_size_is_correct [sizeof(uint32_t) == 4?1:-1];
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typedef char uint64_size_is_correct [sizeof(uint64_t) == 8?1:-1];
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typedef char int16_size_if_correct [sizeof(int16_t) == 2?1:-1];
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typedef char int32_size_is_correct [sizeof(int32_t) == 4?1:-1];
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typedef char int64_size_is_correct [sizeof(int64_t) == 8?1:-1];
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/* intptr_t / uintptr_t correct size check */
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typedef char uintptr_size_is_correct[sizeof(intptr_t) == sizeof(int*)?1:-1];
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typedef char intptr_size_is_correct [sizeof(uintptr_t)== sizeof(int*)?1:-1];
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/*===================================================================*/
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/*============================ lex.c ================================*/
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/*===================================================================*/
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typedef struct lex_file_t {
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FILE *file; /* file handler */
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char *name; /* name of file */
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char peek [5];
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char lastok[8192];
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int last; /* last token */
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int current; /* current token */
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int length; /* bytes left to parse */
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int size; /* never changes (size of file) */
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int line; /* what line are we on? */
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} lex_file;
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/*
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* It's important that this table never exceed 32 keywords, the ascii
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* table starts at 33 (and we don't want conflicts)
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*/
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enum {
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TOKEN_DO ,
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TOKEN_ELSE ,
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TOKEN_IF ,
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TOKEN_WHILE ,
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TOKEN_BREAK ,
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TOKEN_CONTINUE ,
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TOKEN_RETURN ,
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TOKEN_GOTO ,
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TOKEN_FOR , /* extension */
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TOKEN_TYPEDEF , /* extension */
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/* ensure the token types are out of the */
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/* bounds of anyothers that may conflict. */
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TOKEN_FLOAT = 110,
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TOKEN_VECTOR ,
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TOKEN_STRING ,
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TOKEN_ENTITY ,
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TOKEN_VOID
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};
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/*
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* Lexer state constants, these are numbers for where exactly in
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* the lexing the lexer is at. Or where it decided to stop if a lexer
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* error occurs. These numbers must be > where the ascii-table ends
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* and > the last type token which is TOKEN_VOID
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*/
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enum {
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LEX_COMMENT = 1128,
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LEX_CHRLIT ,
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LEX_STRLIT ,
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LEX_IDENT
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};
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int lex_token (lex_file *);
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void lex_reset (lex_file *);
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void lex_close (lex_file *);
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void lex_parse (lex_file *);
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lex_file *lex_include(lex_file *, const char *);
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void lex_init (const char *, lex_file **);
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/*===================================================================*/
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/*========================== error.c ================================*/
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/*===================================================================*/
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#define ERROR_LEX (SHRT_MAX+0)
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#define ERROR_PARSE (SHRT_MAX+1)
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#define ERROR_INTERNAL (SHRT_MAX+2)
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#define ERROR_COMPILER (SHRT_MAX+3)
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#define ERROR_PREPRO (SHRT_MAX+4)
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int error(lex_file *, int, const char *, ...);
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/*===================================================================*/
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/*========================== parse.c ================================*/
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/*===================================================================*/
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int parse_gen(lex_file *);
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/*===================================================================*/
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/*========================== typedef.c ==============================*/
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/*===================================================================*/
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typedef struct typedef_node_t {
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char *name;
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} typedef_node;
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void typedef_init();
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void typedef_clear();
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typedef_node *typedef_find(const char *);
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int typedef_add (lex_file *file, const char *, const char *);
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/*===================================================================*/
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/*=========================== util.c ================================*/
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/*===================================================================*/
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void *util_memory_a (unsigned int, unsigned int, const char *);
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void util_memory_d (void *, unsigned int, const char *);
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void util_meminfo ();
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bool util_strupper (const char *);
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bool util_strdigit (const char *);
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bool util_strncmpexact (const char *, const char *, size_t);
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char *util_strdup (const char *);
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char *util_strrq (const char *);
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char *util_strrnl (const char *);
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char *util_strsws (const char *);
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char *util_strchp (const char *, const char *);
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void util_debug (const char *, const char *, ...);
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int util_getline (char **, size_t *, FILE *);
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void util_endianswap (void *, int, int);
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uint32_t util_crc32(const char *, int, register const short);
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#ifdef NOTRACK
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# define mem_a(x) malloc(x)
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# define mem_d(x) free (x)
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#else
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# define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
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# define mem_d(x) util_memory_d((x), __LINE__, __FILE__)
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#endif
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/*
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* TODO: make these safer to use. Currently this only works on
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* x86 and x86_64, some systems will likely not like this. Such
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* as BE systems.
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*/
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#define FLT2INT(Y) *((int32_t*)&(Y))
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#define INT2FLT(Y) *((float *)&(Y))
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/* Builds vector type (usefull for inside structures) */
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#define VECTOR_SNAP(X,Y) X ## Y
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#define VECTOR_FILL(X,Y) VECTOR_SNAP(X,Y)
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#define VECTOR_TYPE(T,N) \
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T* N##_data = NULL; \
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long N##_elements = 0; \
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long N##_allocated = 0
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/* Builds vector add */
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#define VECTOR_CORE(T,N) \
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int N##_add(T element) { \
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void *temp = NULL; \
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if (N##_elements == N##_allocated) { \
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if (N##_allocated == 0) { \
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N##_allocated = 12; \
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} else { \
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N##_allocated *= 2; \
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} \
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if (!(temp = mem_a(N##_allocated * sizeof(T)))) { \
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mem_d(temp); \
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return -1; \
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} \
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memcpy(temp, N##_data, (N##_elements * sizeof(T))); \
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mem_d(N##_data); \
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N##_data = (T*)temp; \
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} \
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N##_data[N##_elements] = element; \
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return N##_elements++; \
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} \
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int N##_put(T* elements, size_t len) { \
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len --; \
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elements--; \
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while (N##_add(*++elements) != -1 && len--); \
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return N##_elements; \
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} \
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typedef char VECTOR_FILL(extra_semicolon_,__COUNTER__)
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#define VECTOR_PROT(T,N) \
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extern T* N##_data ; \
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extern long N##_elements ; \
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extern long N##_allocated; \
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int N##_add(T); \
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int N##_put(T *, size_t)
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#define VECTOR_MAKE(T,N) \
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VECTOR_TYPE(T,N); \
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VECTOR_CORE(T,N)
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/*===================================================================*/
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/*=========================== code.c ================================*/
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/*===================================================================*/
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/* Note: if you change the order, fix type_sizeof in ir.c */
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enum {
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TYPE_VOID ,
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TYPE_STRING ,
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TYPE_FLOAT ,
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TYPE_VECTOR ,
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TYPE_ENTITY ,
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TYPE_FIELD ,
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TYPE_FUNCTION ,
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TYPE_POINTER ,
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/* TYPE_INTEGER , */
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TYPE_VARIANT ,
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TYPE_COUNT
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};
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extern size_t type_sizeof[TYPE_COUNT];
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extern uint16_t type_store_instr[TYPE_COUNT];
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/* could use type_store_instr + INSTR_STOREP_F - INSTR_STORE_F
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* but this breaks when TYPE_INTEGER is added, since with the enhanced
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* instruction set, the old ones are left untouched, thus the _I instructions
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* are at a seperate place.
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*/
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extern uint16_t type_storep_instr[TYPE_COUNT];
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/*
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* Each paramater incerements by 3 since vector types hold
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* 3 components (x,y,z).
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*/
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#define OFS_NULL 0
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#define OFS_RETURN 1
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#define OFS_PARM0 (OFS_RETURN+3)
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#define OFS_PARM1 (OFS_PARM0 +3)
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#define OFS_PARM2 (OFS_PARM1 +3)
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#define OFS_PARM3 (OFS_PARM2 +3)
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#define OFS_PARM4 (OFS_PARM3 +3)
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#define OFS_PARM5 (OFS_PARM4 +3)
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#define OFS_PARM6 (OFS_PARM5 +3)
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#define OFS_PARM7 (OFS_PARM6 +3)
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typedef struct {
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uint16_t opcode;
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/* operand 1 */
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union {
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int16_t s1; /* signed */
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uint16_t u1; /* unsigned */
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} o1;
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/* operand 2 */
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union {
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int16_t s1; /* signed */
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uint16_t u1; /* unsigned */
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} o2;
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/* operand 3 */
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union {
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int16_t s1; /* signed */
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uint16_t u1; /* unsigned */
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} o3;
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/*
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* This is the same as the structure in darkplaces
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* {
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* unsigned short op;
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* short a,b,c;
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* }
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* But this one is more sane to work with, and the
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* type sizes are guranteed.
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*/
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} prog_section_statement;
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typedef struct {
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/* The types:
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* 0 = ev_void
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* 1 = ev_string
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* 2 = ev_float
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* 3 = ev_vector
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* 4 = ev_entity
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* 5 = ev_field
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* 6 = ev_function
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* 7 = ev_pointer -- engine only
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* 8 = ev_bad -- engine only
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*/
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uint16_t type;
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uint16_t offset;
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uint32_t name;
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} prog_section_both;
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typedef prog_section_both prog_section_def;
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typedef prog_section_both prog_section_field;
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typedef struct {
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int32_t entry; /* in statement table for instructions */
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uint32_t firstlocal; /* First local in local table */
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uint32_t locals; /* Total ints of params + locals */
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uint32_t profile; /* Always zero (engine uses this) */
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uint32_t name; /* name of function in string table */
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uint32_t file; /* file of the source file */
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uint32_t nargs; /* number of arguments */
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uint8_t argsize[8]; /* size of arguments (keep 8 always?) */
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} prog_section_function;
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/*
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* Instructions
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* These are the external instructions supported by the interperter
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* this is what things compile to (from the C code).
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*/
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enum {
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INSTR_DONE,
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INSTR_MUL_F,
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INSTR_MUL_V,
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INSTR_MUL_FV,
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INSTR_MUL_VF,
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INSTR_DIV_F,
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INSTR_ADD_F,
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INSTR_ADD_V,
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INSTR_SUB_F,
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INSTR_SUB_V,
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INSTR_EQ_F,
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INSTR_EQ_V,
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INSTR_EQ_S,
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INSTR_EQ_E,
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INSTR_EQ_FNC,
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INSTR_NE_F,
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INSTR_NE_V,
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INSTR_NE_S,
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INSTR_NE_E,
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INSTR_NE_FNC,
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INSTR_LE,
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INSTR_GE,
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INSTR_LT,
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INSTR_GT,
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INSTR_LOAD_F,
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INSTR_LOAD_V,
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INSTR_LOAD_S,
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INSTR_LOAD_ENT,
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INSTR_LOAD_FLD,
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INSTR_LOAD_FNC,
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INSTR_ADDRESS,
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INSTR_STORE_F,
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INSTR_STORE_V,
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INSTR_STORE_S,
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INSTR_STORE_ENT,
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INSTR_STORE_FLD,
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INSTR_STORE_FNC,
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INSTR_STOREP_F,
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INSTR_STOREP_V,
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INSTR_STOREP_S,
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INSTR_STOREP_ENT,
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INSTR_STOREP_FLD,
|
|
INSTR_STOREP_FNC,
|
|
INSTR_RETURN,
|
|
INSTR_NOT_F,
|
|
INSTR_NOT_V,
|
|
INSTR_NOT_S,
|
|
INSTR_NOT_ENT,
|
|
INSTR_NOT_FNC,
|
|
INSTR_IF,
|
|
INSTR_IFNOT,
|
|
INSTR_CALL0,
|
|
INSTR_CALL1,
|
|
INSTR_CALL2,
|
|
INSTR_CALL3,
|
|
INSTR_CALL4,
|
|
INSTR_CALL5,
|
|
INSTR_CALL6,
|
|
INSTR_CALL7,
|
|
INSTR_CALL8,
|
|
INSTR_STATE,
|
|
INSTR_GOTO,
|
|
INSTR_AND,
|
|
INSTR_OR,
|
|
INSTR_BITAND,
|
|
INSTR_BITOR,
|
|
|
|
/*
|
|
* Virtual instructions used by the assembler
|
|
* keep at the end but before virtual instructions
|
|
* for the IR below.
|
|
*/
|
|
AINSTR_END,
|
|
|
|
/*
|
|
* Virtual instructions used by the IR
|
|
* Keep at the end!
|
|
*/
|
|
VINSTR_PHI,
|
|
VINSTR_JUMP,
|
|
VINSTR_COND
|
|
};
|
|
|
|
/*
|
|
* The symbols below are created by the following
|
|
* expanded macros:
|
|
*
|
|
* VECTOR_MAKE(prog_section_statement, code_statements);
|
|
* VECTOR_MAKE(prog_section_def, code_defs );
|
|
* VECTOR_MAKE(prog_section_field, code_fields );
|
|
* VECTOR_MAKE(prog_section_function, code_functions );
|
|
* VECTOR_MAKE(int, code_globals );
|
|
* VECTOR_MAKE(char, code_chars );
|
|
*/
|
|
VECTOR_PROT(prog_section_statement, code_statements);
|
|
VECTOR_PROT(prog_section_statement, code_statements);
|
|
VECTOR_PROT(prog_section_def, code_defs );
|
|
VECTOR_PROT(prog_section_field, code_fields );
|
|
VECTOR_PROT(prog_section_function, code_functions );
|
|
VECTOR_PROT(int, code_globals );
|
|
VECTOR_PROT(char, code_chars );
|
|
|
|
/*
|
|
* code_write -- writes out the compiled file
|
|
* code_init -- prepares the code file
|
|
*/
|
|
bool code_write (const char *filename);
|
|
void code_init ();
|
|
uint32_t code_genstring (const char *string);
|
|
uint32_t code_cachedstring(const char *string);
|
|
|
|
/*===================================================================*/
|
|
/*========================= assembler.c =============================*/
|
|
/*===================================================================*/
|
|
static const struct {
|
|
const char *m; /* menomic */
|
|
const size_t o; /* operands */
|
|
const size_t l; /* menomic len */
|
|
} asm_instr[] = {
|
|
{ "DONE" , 1, 4 },
|
|
{ "MUL_F" , 3, 5 },
|
|
{ "MUL_V" , 3, 5 },
|
|
{ "MUL_FV" , 3, 6 },
|
|
{ "MUL_VF" , 3, 6 },
|
|
{ "DIV" , 0, 3 },
|
|
{ "ADD_F" , 3, 5 },
|
|
{ "ADD_V" , 3, 5 },
|
|
{ "SUB_F" , 3, 5 },
|
|
{ "DUB_V" , 3, 5 },
|
|
{ "EQ_F" , 0, 4 },
|
|
{ "EQ_V" , 0, 4 },
|
|
{ "EQ_S" , 0, 4 },
|
|
{ "EQ_E" , 0, 4 },
|
|
{ "EQ_FNC" , 0, 6 },
|
|
{ "NE_F" , 0, 4 },
|
|
{ "NE_V" , 0, 4 },
|
|
{ "NE_S" , 0, 4 },
|
|
{ "NE_E" , 0, 4 },
|
|
{ "NE_FNC" , 0, 6 },
|
|
{ "LE" , 0, 2 },
|
|
{ "GE" , 0, 2 },
|
|
{ "LT" , 0, 2 },
|
|
{ "GT" , 0, 2 },
|
|
{ "FIELD_F" , 0, 7 },
|
|
{ "FIELD_V" , 0, 7 },
|
|
{ "FIELD_S" , 0, 7 },
|
|
{ "FIELD_ENT" , 0, 9 },
|
|
{ "FIELD_FLD" , 0, 9 },
|
|
{ "FIELD_FNC" , 0, 9 },
|
|
{ "ADDRESS" , 0, 7 },
|
|
{ "STORE_F" , 0, 7 },
|
|
{ "STORE_V" , 0, 7 },
|
|
{ "STORE_S" , 0, 7 },
|
|
{ "STORE_ENT" , 0, 9 },
|
|
{ "STORE_FLD" , 0, 9 },
|
|
{ "STORE_FNC" , 0, 9 },
|
|
{ "STOREP_F" , 0, 8 },
|
|
{ "STOREP_V" , 0, 8 },
|
|
{ "STOREP_S" , 0, 8 },
|
|
{ "STOREP_ENT", 0, 10},
|
|
{ "STOREP_FLD", 0, 10},
|
|
{ "STOREP_FNC", 0, 10},
|
|
{ "RETURN" , 0, 6 },
|
|
{ "NOT_F" , 0, 5 },
|
|
{ "NOT_V" , 0, 5 },
|
|
{ "NOT_S" , 0, 5 },
|
|
{ "NOT_ENT" , 0, 7 },
|
|
{ "NOT_FNC" , 0, 7 },
|
|
{ "IF" , 0, 2 },
|
|
{ "IFNOT" , 0, 5 },
|
|
{ "CALL0" , 1, 5 },
|
|
{ "CALL1" , 2, 5 },
|
|
{ "CALL2" , 3, 5 },
|
|
{ "CALL3" , 4, 5 },
|
|
{ "CALL4" , 5, 5 },
|
|
{ "CALL5" , 6, 5 },
|
|
{ "CALL6" , 7, 5 },
|
|
{ "CALL7" , 8, 5 },
|
|
{ "CALL8" , 9, 5 },
|
|
{ "STATE" , 0, 5 },
|
|
{ "GOTO" , 0, 4 },
|
|
{ "AND" , 0, 3 },
|
|
{ "OR" , 0, 2 },
|
|
{ "BITAND" , 0, 6 },
|
|
{ "BITOR" , 0, 5 },
|
|
{ "END" , 0, 3 } /* virtual assembler instruction */
|
|
};
|
|
|
|
void asm_init (const char *, FILE **);
|
|
void asm_close(FILE *);
|
|
void asm_parse(FILE *);
|
|
/*===================================================================*/
|
|
/*============================= main.c ==============================*/
|
|
/*===================================================================*/
|
|
enum {
|
|
COMPILER_QCC, /* circa QuakeC */
|
|
COMPILER_FTEQCC, /* fteqcc QuakeC */
|
|
COMPILER_QCCX, /* qccx QuakeC */
|
|
COMPILER_GMQCC /* this QuakeC */
|
|
};
|
|
extern bool opts_debug;
|
|
extern bool opts_memchk;
|
|
extern bool opts_darkplaces_stringtablebug;
|
|
extern bool opts_omit_nullcode;
|
|
extern int opts_compiler;
|
|
/*===================================================================*/
|
|
/*============================= ast.c ===============================*/
|
|
/*===================================================================*/
|
|
#define MEM_VECTOR_PROTO(Towner, Tmem, mem) \
|
|
bool GMQCC_WARN Towner##_##mem##_add(Towner*, Tmem); \
|
|
bool GMQCC_WARN Towner##_##mem##_remove(Towner*, size_t)
|
|
|
|
#define MEM_VECTOR_PROTO_ALL(Towner, Tmem, mem) \
|
|
MEM_VECTOR_PROTO(Towner, Tmem, mem); \
|
|
bool GMQCC_WARN Towner##_##mem##_find(Towner*, Tmem, size_t*); \
|
|
void Towner##_##mem##_clear(Towner*)
|
|
|
|
#define MEM_VECTOR_MAKE(Twhat, name) \
|
|
Twhat *name; \
|
|
size_t name##_count; \
|
|
size_t name##_alloc
|
|
|
|
#define _MEM_VEC_FUN_ADD(Tself, Twhat, mem) \
|
|
bool GMQCC_WARN Tself##_##mem##_add(Tself *self, Twhat f) \
|
|
{ \
|
|
Twhat *reall; \
|
|
if (self->mem##_count == self->mem##_alloc) { \
|
|
if (!self->mem##_alloc) { \
|
|
self->mem##_alloc = 16; \
|
|
} else { \
|
|
self->mem##_alloc *= 2; \
|
|
} \
|
|
reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_alloc); \
|
|
if (!reall) { \
|
|
return false; \
|
|
} \
|
|
memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \
|
|
mem_d(self->mem); \
|
|
self->mem = reall; \
|
|
} \
|
|
self->mem[self->mem##_count++] = f; \
|
|
return true; \
|
|
}
|
|
|
|
#define _MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
|
|
bool GMQCC_WARN Tself##_##mem##_remove(Tself *self, size_t idx) \
|
|
{ \
|
|
size_t i; \
|
|
Twhat *reall; \
|
|
if (idx >= self->mem##_count) { \
|
|
return true; /* huh... */ \
|
|
} \
|
|
for (i = idx; i < self->mem##_count-1; ++i) { \
|
|
self->mem[i] = self->mem[i+1]; \
|
|
} \
|
|
self->mem##_count--; \
|
|
if (self->mem##_count < self->mem##_count/2) { \
|
|
self->mem##_alloc /= 2; \
|
|
reall = (Twhat*)mem_a(sizeof(Twhat) * self->mem##_count); \
|
|
if (!reall) { \
|
|
return false; \
|
|
} \
|
|
memcpy(reall, self->mem, sizeof(Twhat) * self->mem##_count); \
|
|
mem_d(self->mem); \
|
|
self->mem = reall; \
|
|
} \
|
|
return true; \
|
|
}
|
|
|
|
#define _MEM_VEC_FUN_FIND(Tself, Twhat, mem) \
|
|
bool GMQCC_WARN Tself##_##mem##_find(Tself *self, Twhat obj, size_t *idx) \
|
|
{ \
|
|
size_t i; \
|
|
for (i = 0; i < self->mem##_count; ++i) { \
|
|
if (self->mem[i] == obj) { \
|
|
if (idx) { \
|
|
*idx = i; \
|
|
} \
|
|
return true; \
|
|
} \
|
|
} \
|
|
return false; \
|
|
}
|
|
|
|
#define _MEM_VEC_FUN_CLEAR(Tself, mem) \
|
|
void Tself##_##mem##_clear(Tself *self) \
|
|
{ \
|
|
if (!self->mem) \
|
|
return; \
|
|
mem_d((void*) self->mem); \
|
|
self->mem = NULL; \
|
|
self->mem##_count = 0; \
|
|
self->mem##_alloc = 0; \
|
|
}
|
|
|
|
#define MEM_VECTOR_CLEAR(owner, mem) \
|
|
if ((owner)->mem) \
|
|
mem_d((void*)((owner)->mem)); \
|
|
(owner)->mem = NULL; \
|
|
(owner)->mem##_count = 0; \
|
|
(owner)->mem##_alloc = 0
|
|
|
|
#define MEM_VECTOR_INIT(owner, mem) \
|
|
{ \
|
|
(owner)->mem = NULL; \
|
|
(owner)->mem##_count = 0; \
|
|
(owner)->mem##_alloc = 0; \
|
|
}
|
|
|
|
#define MEM_VEC_FUNCTIONS(Tself, Twhat, mem) \
|
|
_MEM_VEC_FUN_REMOVE(Tself, Twhat, mem) \
|
|
_MEM_VEC_FUN_ADD(Tself, Twhat, mem)
|
|
|
|
#define MEM_VEC_FUNCTIONS_ALL(Tself, Twhat, mem) \
|
|
MEM_VEC_FUNCTIONS(Tself, Twhat, mem) \
|
|
_MEM_VEC_FUN_CLEAR(Tself, mem) \
|
|
_MEM_VEC_FUN_FIND(Tself, Twhat, mem)
|
|
|
|
enum store_types {
|
|
store_global,
|
|
store_local, /* local, assignable for now, should get promoted later */
|
|
store_param, /* parameters, they are locals with a fixed position */
|
|
store_value, /* unassignable */
|
|
store_return /* unassignable, at OFS_RETURN */
|
|
};
|
|
|
|
typedef struct {
|
|
float x, y, z;
|
|
} vector;
|
|
|
|
/*
|
|
* A shallow copy of a lex_file to remember where which ast node
|
|
* came from.
|
|
*/
|
|
typedef struct {
|
|
const char *file;
|
|
size_t line;
|
|
} lex_ctx;
|
|
#endif
|