mojoshader_preprocessor.c
author Ryan C. Gordon <icculus@icculus.org>
Tue, 10 Feb 2009 17:30:52 -0500
changeset 560 225d579ae929
parent 559 d34ac77da171
child 561 0d2535cc5ac3
permissions -rw-r--r--
Handle NULL file names.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/**
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 * MojoShader; generate shader programs from bytecode of compiled
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 *  Direct3D shaders.
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 *
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 * Please see the file LICENSE.txt in the source's root directory.
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 *
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 *  This file written by Ryan C. Gordon.
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 */
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#define __MOJOSHADER_INTERNAL__ 1
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#include "mojoshader_internal.h"
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typedef struct DefineHash
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{
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    MOJOSHADER_preprocessorDefine define;
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    struct DefineHash *next;
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} DefineHash;
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typedef struct Context
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{
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    int isfail;
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    int out_of_memory;
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    char failstr[128];
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    IncludeState *include_stack;
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    DefineHash *define_hashtable[256];
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    int pushedback;
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    const char *token;
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    unsigned int tokenlen;
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    MOJOSHADER_includeOpen open_callback;
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    MOJOSHADER_includeClose close_callback;
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    MOJOSHADER_malloc malloc;
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    MOJOSHADER_free free;
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    void *malloc_data;
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} Context;
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// Convenience functions for allocators...
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static inline void out_of_memory(Context *ctx)
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{
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    ctx->isfail = ctx->out_of_memory = 1;
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} // out_of_memory
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static inline void *Malloc(Context *ctx, const size_t len)
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{
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    void *retval = ctx->malloc((int) len, ctx->malloc_data);
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    if (retval == NULL)
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        out_of_memory(ctx);
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    return retval;
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} // Malloc
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static inline void Free(Context *ctx, void *ptr)
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{
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    if (ptr != NULL)  // check for NULL in case of dumb free() impl.
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        ctx->free(ptr, ctx->malloc_data);
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} // Free
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static inline char *StrDup(Context *ctx, const char *str)
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{
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    char *retval = (char *) Malloc(ctx, strlen(str) + 1);
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    if (retval != NULL)
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        strcpy(retval, str);
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    return retval;
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} // StrDup
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static void failf(Context *ctx, const char *fmt, ...) ISPRINTF(2,3);
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static void failf(Context *ctx, const char *fmt, ...)
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{
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    ctx->isfail = 1;
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    va_list ap;
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    va_start(ap, fmt);
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    vsnprintf(ctx->failstr, sizeof (ctx->failstr), fmt, ap);  // rebuild it.
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    va_end(ap);
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} // failf
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static inline void fail(Context *ctx, const char *reason)
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{
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    failf(ctx, "%s", reason);
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} // fail
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// Preprocessor define hashtable stuff...
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static unsigned char hash_define(const char *sym)
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{
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    unsigned char retval = 0;
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    while (sym)
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        retval += *(sym++);
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    return retval;
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} // hash_define
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static int add_define(Context *ctx, const char *sym, const char *val)
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{
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    char *identifier = NULL;
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    char *definition = NULL;
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    const unsigned char hash = hash_define(sym);
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    DefineHash *bucket = ctx->define_hashtable[hash];
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    while (bucket)
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    {
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        if (strcmp(bucket->define.identifier, sym) == 0)
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        {
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            failf(ctx, "'%s' already defined", sym);
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            return 0;
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        } // if
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        bucket = bucket->next;
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    } // while
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    bucket = (DefineHash *) Malloc(ctx, sizeof (DefineHash));
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    if (bucket == NULL)
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        return 0;
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    identifier = (char *) Malloc(ctx, strlen(sym) + 1);
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    definition = (char *) Malloc(ctx, strlen(val) + 1);
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    if ((identifier == NULL) || (definition == NULL))
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    {
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        Free(ctx, identifier);
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        Free(ctx, definition);
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        Free(ctx, bucket);
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        return 0;
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    } // if
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    strcpy(identifier, sym);
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    strcpy(definition, val);
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    bucket->define.identifier = identifier;
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    bucket->define.definition = definition;
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    bucket->next = ctx->define_hashtable[hash];
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    ctx->define_hashtable[hash] = bucket;
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    return 1;
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} // add_define
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static int remove_define(Context *ctx, const char *sym)
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{
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    const unsigned char hash = hash_define(sym);
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    DefineHash *bucket = ctx->define_hashtable[hash];
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    DefineHash *prev = NULL;
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    while (bucket)
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    {
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        if (strcmp(bucket->define.identifier, sym) == 0)
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        {
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            if (prev == NULL)
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                ctx->define_hashtable[hash] = bucket->next;
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            else
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                prev->next = bucket->next;
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            Free(ctx, (void *) bucket->define.identifier);
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            Free(ctx, (void *) bucket->define.definition);
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            Free(ctx, bucket);
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            return 1;
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        } // if
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        prev = bucket;
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        bucket = bucket->next;
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    } // while
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    failf(ctx, "'%s' not defined", sym);
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    return 0;
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} // remove_define
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static const char *find_define(Context *ctx, const char *sym)
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{
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    const unsigned char hash = hash_define(sym);
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    DefineHash *bucket = ctx->define_hashtable[hash];
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    while (bucket)
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    {
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        if (strcmp(bucket->define.identifier, sym) == 0)
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            return bucket->define.definition;
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        bucket = bucket->next;
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    } // while
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    return NULL;
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} // find_define
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static void free_all_defines(Context *ctx)
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{
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    int i;
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    for (i = 0; i < STATICARRAYLEN(ctx->define_hashtable); i++)
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    {
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        DefineHash *bucket = ctx->define_hashtable[i];
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        ctx->define_hashtable[i] = NULL;
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        while (bucket)
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        {
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            DefineHash *next = bucket->next;
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            Free(ctx, (void *) bucket->define.identifier);
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            Free(ctx, (void *) bucket->define.definition);
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            Free(ctx, bucket);
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            bucket = next;
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        } // while
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    } // for
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} // find_define
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static int push_source(Context *ctx, const char *fname, const char *source,
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                       unsigned int srclen, int included)
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{
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    IncludeState *state = (IncludeState *) Malloc(ctx, sizeof (IncludeState));
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    if (state == NULL)
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        return 0;
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    memset(state, '\0', sizeof (IncludeState));
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560
225d579ae929 Handle NULL file names.
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    if (fname != NULL)
555
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    {
560
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        state->filename = StrDup(ctx, fname);
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        if (state->filename == NULL)
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   205
        {
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            Free(ctx, state);
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            return 0;
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   208
        } // if
555
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    } // if
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    state->included = included;
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    state->source_base = source;
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    state->source = source;
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    state->token = source;
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    state->insert_token = TOKEN_UNKNOWN;
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    state->insert_token2 = TOKEN_UNKNOWN;
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    state->bytes_left = srclen;
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    state->line = 1;
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   219
    state->next = ctx->include_stack;
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    ctx->include_stack = state;
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   222
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   223
    return 1;
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   224
} // push_source
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   225
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   227
static void pop_source(Context *ctx)
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{
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    IncludeState *state = ctx->include_stack;
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   230
    if (state == NULL)
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   231
        return;
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   232
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   233
    if (state->included)
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   234
    {
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        ctx->close_callback(state->source_base, ctx->malloc,
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   236
                            ctx->free, ctx->malloc_data);
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   237
    } // if
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   238
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   239
    ctx->include_stack = state->next;
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   240
    Free(ctx, state->filename);
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   241
    Free(ctx, state);
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   242
} // pop_source
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   243
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   244
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   245
Preprocessor *preprocessor_start(const char *fname, const char *source,
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   246
                            unsigned int sourcelen,
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   247
                            MOJOSHADER_includeOpen open_callback,
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   248
                            MOJOSHADER_includeClose close_callback,
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   249
                            const MOJOSHADER_preprocessorDefine **defines,
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   250
                            unsigned int define_count,
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   251
                            MOJOSHADER_malloc m, MOJOSHADER_free f, void *d)
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   252
{
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   253
    int okay = 1;
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   254
    int i = 0;
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   255
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   256
    // the preprocessor is internal-only, so we verify all these are != NULL.
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   257
    assert(m != NULL);
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   258
    assert(f != NULL);
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   259
    assert(open_callback != NULL);
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   260
    assert(close_callback != NULL);
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   261
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   262
    Context *ctx = (Context *) m(sizeof (Context), d);
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   263
    if (ctx == NULL)
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   264
        return 0;
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   265
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   266
    memset(ctx, '\0', sizeof (Context));
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   267
    ctx->malloc = m;
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   268
    ctx->free = f;
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   269
    ctx->malloc_data = d;
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   270
    ctx->open_callback = open_callback;
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   271
    ctx->close_callback = close_callback;
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   272
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   273
    for (i = 0; i < define_count; i++)
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   274
    {
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   275
        if (!add_define(ctx, defines[i]->identifier, defines[i]->definition))
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diff changeset
   276
        {
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   277
            okay = 0;
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   278
            break;
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diff changeset
   279
        } // if
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   280
    } // for
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diff changeset
   281
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   282
    if ((okay) && (!push_source(ctx, fname, source, sourcelen, 0)))
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diff changeset
   283
        okay = 0;
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diff changeset
   284
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diff changeset
   285
    if (!okay)
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diff changeset
   286
    {
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diff changeset
   287
        preprocessor_end((Preprocessor *) ctx);
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diff changeset
   288
        return NULL;
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diff changeset
   289
    } // if
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   290
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   291
    return (Preprocessor *) ctx;
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diff changeset
   292
} // preprocessor_start
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   293
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   294
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   295
void preprocessor_end(Preprocessor *_ctx)
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diff changeset
   296
{
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   297
    Context *ctx = (Context *) _ctx;
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   298
    if (ctx == NULL)
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   299
        return;
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   300
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   301
    while (ctx->include_stack != NULL)
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   302
        pop_source(ctx);
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diff changeset
   303
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   304
    free_all_defines(ctx);
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diff changeset
   305
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   306
    Free(ctx, ctx);
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   307
} // preprocessor_end
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   308
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   309
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   310
const char *preprocessor_error(Preprocessor *_ctx)
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   311
{
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   312
    Context *ctx = (Context *) _ctx;
557
ef6a607a5618 Removed preprocessor_clearerror().
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
   313
    if (ctx->isfail)
ef6a607a5618 Removed preprocessor_clearerror().
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
   314
    {
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Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
   315
        ctx->isfail = 0;
ef6a607a5618 Removed preprocessor_clearerror().
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
   316
        return ctx->failstr;
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Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
   317
    } // if
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parents: 555
diff changeset
   318
ef6a607a5618 Removed preprocessor_clearerror().
Ryan C. Gordon <icculus@icculus.org>
parents: 555
diff changeset
   319
    return NULL;
555
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diff changeset
   320
} // preprocessor_error
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   321
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diff changeset
   322
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   323
int preprocessor_outofmemory(Preprocessor *_ctx)
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   324
{
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   325
    Context *ctx = (Context *) _ctx;
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diff changeset
   326
    return ctx->out_of_memory;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   327
} // preprocessor_outofmemory
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   328
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   329
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Ryan C. Gordon <icculus@icculus.org>
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   330
const char *preprocessor_nexttoken(Preprocessor *_ctx, unsigned int *_len,
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Ryan C. Gordon <icculus@icculus.org>
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   331
                                    Token *_token)
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   332
{
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   333
    Context *ctx = (Context *) _ctx;
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parents:
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   334
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   335
    while (1)
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   336
    {
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   337
        IncludeState *state = ctx->include_stack;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   338
        if (state == NULL)
559
d34ac77da171 Preprocessor should return TOKEN_EOI when we finish the whole include stack.
Ryan C. Gordon <icculus@icculus.org>
parents: 558
diff changeset
   339
        {
d34ac77da171 Preprocessor should return TOKEN_EOI when we finish the whole include stack.
Ryan C. Gordon <icculus@icculus.org>
parents: 558
diff changeset
   340
            *_token = TOKEN_EOI;
d34ac77da171 Preprocessor should return TOKEN_EOI when we finish the whole include stack.
Ryan C. Gordon <icculus@icculus.org>
parents: 558
diff changeset
   341
            *_len = 0;
555
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   342
            return NULL;  // we're done!
559
d34ac77da171 Preprocessor should return TOKEN_EOI when we finish the whole include stack.
Ryan C. Gordon <icculus@icculus.org>
parents: 558
diff changeset
   343
        } // if
555
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diff changeset
   344
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   345
        if (state->insert_token != TOKEN_UNKNOWN)
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   346
        {
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   347
            state->insert_tokchar = (char) state->insert_token;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   348
            *_token = state->insert_token;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   349
            *_len = 1;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   350
            state->insert_token = TOKEN_UNKNOWN;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   351
            return &state->insert_tokchar;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   352
        } // if
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   353
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   354
        else if (state->insert_token2 != TOKEN_UNKNOWN)
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   355
        {
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   356
            state->insert_tokchar = (char) state->insert_token2;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   357
            *_token = state->insert_token2;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   358
            *_len = 1;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   359
            state->insert_token2 = TOKEN_UNKNOWN;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   360
            return &state->insert_tokchar;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   361
        } // if
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   362
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   363
        Token token = preprocessor_internal_lexer(state);
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   364
        if (token == TOKEN_EOI)
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   365
        {
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   366
            assert(state->bytes_left == 0);
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   367
            pop_source(ctx);
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   368
            continue;  // pick up again after parent's #include line.
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   369
        } // if
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   370
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   371
        // Microsoft's preprocessor is weird.
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   372
        // It ignores newlines, and then inserts its own around certain
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   373
        //  tokens. For example, after a semicolon. This allows HLSL code to
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   374
        //  be mostly readable, and lets the ';' work as a single line comment
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   375
        //  in the assembler.
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   376
        if ( (token == ((Token) ';')) || (token == ((Token) '}')) )
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   377
            state->insert_token = (Token) '\n';
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   378
        else if (token == ((Token) '{'))
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   379
        {
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   380
            state->insert_token = (Token) '{';
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   381
            state->insert_token2 = (Token) '\n';
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   382
            state->insert_tokchar = '\n';
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   383
            *_token = (Token) '\n';
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   384
            *_len = 1;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   385
            return &state->insert_tokchar;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   386
        } // else if
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   387
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   388
        *_token = token;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   389
        *_len = (unsigned int) (state->source - state->token);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   390
        return state->token;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   391
    } // while
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   392
} // preprocessor_nexttoken
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   393
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   394
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   395
const char *preprocessor_sourcepos(Preprocessor *_ctx, unsigned int *pos)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   396
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   397
    Context *ctx = (Context *) _ctx;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   398
    if (ctx->include_stack == NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   399
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   400
        *pos = 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   401
        return NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   402
    } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   403
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   404
    *pos = ctx->include_stack->line;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   405
    return ctx->include_stack->filename;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   406
} // preprocessor_sourcepos
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   407
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   408
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   409
// public API...
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   410
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   411
static const MOJOSHADER_preprocessData out_of_mem_data_preprocessor = {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   412
    1, &MOJOSHADER_out_of_mem_error, 0, 0, 0, 0, 0
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   413
};
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   414
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   415
#define BUFFER_LEN (64 * 1024)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   416
typedef struct BufferList
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   417
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   418
    char buffer[BUFFER_LEN];
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   419
    size_t bytes;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   420
    struct BufferList *next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   421
} BufferList;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   422
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   423
typedef struct Buffer
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   424
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   425
    size_t total_bytes;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   426
    BufferList head;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   427
    BufferList *tail;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   428
} Buffer;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   429
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   430
static void buffer_init(Buffer *buffer)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   431
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   432
    buffer->total_bytes = 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   433
    buffer->head.bytes = 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   434
    buffer->head.next = NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   435
    buffer->tail = &buffer->head;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   436
} // buffer_init
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   437
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   438
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   439
static int add_to_buffer(Buffer *buffer, const char *data,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   440
                         size_t len, MOJOSHADER_malloc m, void *d)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   441
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   442
    buffer->total_bytes += len;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   443
    while (len > 0)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   444
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   445
        const size_t avail = BUFFER_LEN - buffer->tail->bytes;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   446
        const size_t cpy = (avail > len) ? len : avail;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   447
        memcpy(buffer->tail->buffer + buffer->tail->bytes, data, cpy);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   448
        len -= cpy;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   449
        data += cpy;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   450
        buffer->tail->bytes += cpy;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   451
        assert(buffer->tail->bytes <= BUFFER_LEN);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   452
        if (buffer->tail->bytes == BUFFER_LEN)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   453
        {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   454
            BufferList *item = (BufferList *) m(sizeof (BufferList), d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   455
            if (item == NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   456
                return 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   457
            item->bytes = 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   458
            item->next = NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   459
            buffer->tail->next = item;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   460
            buffer->tail = item;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   461
        } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   462
    } // while
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   463
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   464
    return 1;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   465
} // add_to_buffer
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   466
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   467
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   468
static int indent_buffer(Buffer *buffer, int n, int newline,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   469
                         MOJOSHADER_malloc m, void *d)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   470
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   471
    static char spaces[4] = { ' ', ' ', ' ', ' ' };
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   472
    if (newline)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   473
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   474
        while (n--)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   475
        {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   476
            if (!add_to_buffer(buffer, spaces, sizeof (spaces), m, d))
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   477
                return 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   478
        } // while
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   479
    } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   480
    else
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   481
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   482
        if (!add_to_buffer(buffer, spaces, 1, m, d))
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   483
            return 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   484
    } // else
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   485
    return 1;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   486
} // indent_buffer
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   487
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   488
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   489
static char *flatten_buffer(Buffer *buffer, MOJOSHADER_malloc m, void *d)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   490
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   491
    char *retval = m(buffer->total_bytes + 1, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   492
    if (retval == NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   493
        return NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   494
    BufferList *item = &buffer->head;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   495
    char *ptr = retval;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   496
    while (item != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   497
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   498
        BufferList *next = item->next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   499
        memcpy(ptr, item->buffer, item->bytes);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   500
        ptr += item->bytes;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   501
        item = next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   502
    } // while
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   503
    *ptr = '\0';
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   504
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   505
    assert(ptr == (retval + buffer->total_bytes));
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   506
    return retval;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   507
} // flatten_buffer
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   508
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   509
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   510
static void free_buffer(Buffer *buffer, MOJOSHADER_free f, void *d)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   511
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   512
    // head is statically allocated, so start with head.next...
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   513
    BufferList *item = buffer->head.next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   514
    while (item != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   515
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   516
        BufferList *next = item->next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   517
        f(item, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   518
        item = next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   519
    } // while
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   520
    buffer_init(buffer);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   521
} // free_buffer
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   522
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   523
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   524
// !!! FIXME: cut and paste.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   525
static void free_error_list(ErrorList *item, MOJOSHADER_free f, void *d)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   526
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   527
    while (item != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   528
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   529
        ErrorList *next = item->next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   530
        f((void *) item->error.error, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   531
        f((void *) item->error.filename, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   532
        f(item, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   533
        item = next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   534
    } // while
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   535
} // free_error_list
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   536
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   537
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   538
// !!! FIXME: cut and paste.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   539
static MOJOSHADER_error *build_errors(ErrorList **errors, const int count,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   540
                         MOJOSHADER_malloc m, MOJOSHADER_free f, void *d)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   541
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   542
    int total = 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   543
    MOJOSHADER_error *retval = (MOJOSHADER_error *)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   544
                                m(sizeof (MOJOSHADER_error) * count, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   545
    if (retval == NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   546
        return NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   547
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   548
    ErrorList *item = *errors;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   549
    while (item != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   550
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   551
        ErrorList *next = item->next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   552
        // reuse the string allocations
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   553
        memcpy(&retval[total], &item->error, sizeof (MOJOSHADER_error));
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   554
        f(item, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   555
        item = next;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   556
        total++;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   557
    } // while
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   558
    *errors = NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   559
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   560
    assert(total == count);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   561
    return retval;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   562
} // build_errors
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   563
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   564
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   565
const MOJOSHADER_preprocessData *MOJOSHADER_preprocess(const char *source,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   566
                             unsigned int sourcelen,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   567
                             const MOJOSHADER_preprocessorDefine **defines,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   568
                             unsigned int define_count,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   569
                             MOJOSHADER_includeOpen include_open,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   570
                             MOJOSHADER_includeClose include_close,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   571
                             MOJOSHADER_malloc m, MOJOSHADER_free f, void *d)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   572
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   573
    ErrorList *errors = NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   574
    int error_count = 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   575
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   576
    if (m == NULL) m = MOJOSHADER_internal_malloc;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   577
    if (f == NULL) f = MOJOSHADER_internal_free;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   578
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   579
include_open = (MOJOSHADER_includeOpen) 0x1;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   580
include_close = (MOJOSHADER_includeClose) 0x1;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   581
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   582
    const char *fname = "*";  // !!! FIXME
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   583
    Preprocessor *pp = preprocessor_start(fname, source, sourcelen,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   584
                                          include_open, include_close,
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   585
                                          defines, define_count, m, f, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   586
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   587
    if (pp == NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   588
        return &out_of_mem_data_preprocessor;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   589
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   590
    Token token = TOKEN_UNKNOWN;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   591
    const char *tokstr = NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   592
    const char *err = NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   593
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   594
    Buffer buffer;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   595
    buffer_init(&buffer);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   596
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   597
    int nl = 1;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   598
    int indent = 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   599
    unsigned int len = 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   600
    while ((tokstr = preprocessor_nexttoken(pp, &len, &token)) != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   601
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   602
        #ifdef _WINDOWS
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   603
        static const char endline[] = { '\r', '\n' };
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   604
        #else
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   605
        static const char endline[] = { '\n' };
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   606
        #endif
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   607
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   608
        const int isnewline = (token == ((Token) '\n'));
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   609
        if (isnewline)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   610
        {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   611
            tokstr = endline;  // convert to platform-specific.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   612
            len = sizeof (endline);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   613
        } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   614
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   615
        if ((token == ((Token) '}')) && (indent > 0))
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   616
            indent--;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   617
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   618
        int out_of_memory = preprocessor_outofmemory(pp);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   619
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   620
        if ((!out_of_memory) && (!isnewline))
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   621
            out_of_memory = !indent_buffer(&buffer, indent, nl, m, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   622
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   623
        if (!out_of_memory)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   624
            out_of_memory = !add_to_buffer(&buffer, tokstr, len, m, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   625
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   626
        if (token == ((Token) '{'))
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   627
            indent++;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   628
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   629
        nl = isnewline;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   630
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   631
        if ((!out_of_memory) && ((err = preprocessor_error(pp)) != NULL))
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   632
        {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   633
            ErrorList *error = (ErrorList *) m(sizeof (ErrorList), d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   634
            unsigned int pos = 0;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   635
            char *fname = NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   636
            const char *str = preprocessor_sourcepos(pp, &pos);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   637
            if (str != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   638
            {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   639
                fname = (char *) m(strlen(str) + 1, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   640
                if (fname != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   641
                    strcpy(fname, str);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   642
            } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   643
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   644
            // !!! FIXME: cut and paste with other error handlers.
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   645
            char *errstr = (char *) m(strlen(err) + 1, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   646
            if (errstr != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   647
                strcpy(errstr, err);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   648
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   649
            out_of_memory = ((!error) || ((!fname) && (str)) || (!errstr));
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   650
            if (out_of_memory)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   651
            {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   652
                if (errstr) f(errstr, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   653
                if (fname) f(fname, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   654
                if (error) f(error, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   655
            } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   656
            else
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   657
            {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   658
                error->error.error = errstr;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   659
                error->error.filename = fname;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   660
                error->error.error_position = pos;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   661
                error->next = NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   662
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   663
                ErrorList *prev = NULL;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   664
                ErrorList *item = errors;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   665
                while (item != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   666
                {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   667
                    prev = item;
558
314c86ff14dd Fixed stupid linked list bug.
Ryan C. Gordon <icculus@icculus.org>
parents: 557
diff changeset
   668
                    item = item->next;
555
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   669
                } // while
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   670
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   671
                if (prev == NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   672
                    errors = error;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   673
                else
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   674
                    prev->next = error;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   675
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   676
                error_count++;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   677
            } // else
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   678
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   679
            continue;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   680
        } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   681
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   682
        if (out_of_memory)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   683
        {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   684
            preprocessor_end(pp);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   685
            free_buffer(&buffer, f, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   686
            free_error_list(errors, f, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   687
            return &out_of_mem_data_preprocessor;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   688
        } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   689
    } // while
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   690
    
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   691
    preprocessor_end(pp);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   692
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   693
    const size_t total_bytes = buffer.total_bytes;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   694
    char *output = flatten_buffer(&buffer, m, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   695
    free_buffer(&buffer, f, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   696
    if (output == NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   697
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   698
        free_error_list(errors, f, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   699
        return &out_of_mem_data_preprocessor;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   700
    } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   701
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   702
    MOJOSHADER_preprocessData *retval = (MOJOSHADER_preprocessData *)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   703
                                    m(sizeof (MOJOSHADER_preprocessData), d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   704
    if (retval == NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   705
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   706
        free_error_list(errors, f, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   707
        f(output, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   708
        return &out_of_mem_data_preprocessor;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   709
    } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   710
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   711
    retval->errors = build_errors(&errors, error_count, m, f, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   712
    if (retval->errors == NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   713
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   714
        free_error_list(errors, f, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   715
        f(retval, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   716
        f(output, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   717
        return &out_of_mem_data_preprocessor;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   718
    } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   719
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   720
    retval->error_count = error_count;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   721
    retval->output = output;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   722
    retval->output_len = total_bytes;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   723
    retval->malloc = m;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   724
    retval->free = f;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   725
    retval->malloc_data = d;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   726
    return retval;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   727
} // MOJOSHADER_preprocess
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   728
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   729
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   730
void MOJOSHADER_freePreprocessData(const MOJOSHADER_preprocessData *_data)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   731
{
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   732
    MOJOSHADER_preprocessData *data = (MOJOSHADER_preprocessData *) _data;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   733
    if ((data == NULL) || (data == &out_of_mem_data_preprocessor))
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   734
        return;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   735
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   736
    MOJOSHADER_free f = (data->free == NULL) ? MOJOSHADER_internal_free : data->free;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   737
    void *d = data->malloc_data;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   738
    int i;
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   739
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   740
    if (data->output != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   741
        f((void *) data->output, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   742
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   743
    if (data->errors != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   744
    {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   745
        for (i = 0; i < data->error_count; i++)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   746
        {
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   747
            if (data->errors[i].error != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   748
                f((void *) data->errors[i].error, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   749
            if (data->errors[i].filename != NULL)
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   750
                f((void *) data->errors[i].filename, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   751
        } // for
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   752
        f(data->errors, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   753
    } // if
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   754
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   755
    f(data, d);
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   756
} // MOJOSHADER_freePreprocessData
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   757
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   758
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   759
// end of mojoshader_preprocessor.c ...
940821555fda Initial work on preprocessor. Not yet complete!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   760