/*
- * Copyright (C) 2012, 2013
+ * Copyright (C) 2012, 2013, 2014
* Wolfgang Bumiller
- * Dale Weiler
+ * Dale Weiler
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
-#include <time.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
#include "gmqcc.h"
#include "lexer.h"
#define HT_MACROS 1024
+
typedef struct {
bool on;
bool was_on;
char *value;
/* a copy from the lexer */
union {
- vector v;
+ vec3_t v;
int i;
double f;
int t; /* type */
} pptoken;
typedef struct {
- lex_ctx ctx;
+ lex_ctx_t ctx;
char *name;
char **params;
bool output_on;
ppcondition *conditions;
/*ppmacro **macros;*/
- ht macros; /* hashtable<string, ppmacro*> */
-
+ ht macros; /* hashtable<string, ppmacro*> */
char *output_string;
char *itemname;
char *includename;
bool in_macro;
-} ftepp_t;
-/*
- * Implement the predef subsystem now. We can do this safely with the
- * help of lexer contexts.
- */
-static uint32_t ftepp_predef_countval = 0;
-static uint32_t ftepp_predef_randval = 0;
+ uint32_t predef_countval;
+ uint32_t predef_randval;
+} ftepp_t;
/* __DATE__ */
-char *ftepp_predef_date(lex_file *context) {
- struct tm *itime;
- time_t rtime;
- char *value = (char*)mem_a(82);
- /* 82 is enough for strftime but we also have " " in our string */
+static char *ftepp_predef_date(ftepp_t *context) {
+ const struct tm *itime = NULL;
+ char *value = (char*)mem_a(82);
+ time_t rtime;
(void)context;
- /* get time */
time (&rtime);
- itime = localtime(&rtime);
-
+ itime = util_localtime(&rtime);
strftime(value, 82, "\"%b %d %Y\"", itime);
return value;
}
/* __TIME__ */
-char *ftepp_predef_time(lex_file *context) {
- struct tm *itime;
- time_t rtime;
- char *value = (char*)mem_a(82);
- /* 82 is enough for strftime but we also have " " in our string */
+static char *ftepp_predef_time(ftepp_t *context) {
+ const struct tm *itime = NULL;
+ char *value = (char*)mem_a(82);
+ time_t rtime;
(void)context;
- /* get time */
time (&rtime);
- itime = localtime(&rtime);
-
+ itime = util_localtime(&rtime);
strftime(value, 82, "\"%X\"", itime);
return value;
}
/* __LINE__ */
-char *ftepp_predef_line(lex_file *context) {
- char *value;
- util_asprintf(&value, "%d", (int)context->line);
+static char *ftepp_predef_line(ftepp_t *context) {
+ char *value;
+
+ util_asprintf(&value, "%d", (int)context->lex->line);
return value;
}
/* __FILE__ */
-char *ftepp_predef_file(lex_file *context) {
- size_t length = strlen(context->name) + 3; /* two quotes and a terminator */
- char *value = (char*)mem_a(length);
- snprintf(value, length, "\"%s\"", context->name);
+static char *ftepp_predef_file(ftepp_t *context) {
+ size_t length = strlen(context->lex->name) + 3; /* two quotes and a terminator */
+ char *value = (char*)mem_a(length);
+ util_snprintf(value, length, "\"%s\"", context->lex->name);
return value;
}
/* __COUNTER_LAST__ */
-char *ftepp_predef_counterlast(lex_file *context) {
- char *value;
- util_asprintf(&value, "%u", ftepp_predef_countval);
-
- (void)context;
+static char *ftepp_predef_counterlast(ftepp_t *context) {
+ char *value;
+ util_asprintf(&value, "%u", context->predef_countval);
return value;
}
/* __COUNTER__ */
-char *ftepp_predef_counter(lex_file *context) {
- char *value;
- ftepp_predef_countval ++;
- util_asprintf(&value, "%u", ftepp_predef_countval);
- (void)context;
+static char *ftepp_predef_counter(ftepp_t *context) {
+ char *value;
+
+ context->predef_countval ++;
+ util_asprintf(&value, "%u", context->predef_countval);
return value;
}
/* __RANDOM__ */
-char *ftepp_predef_random(lex_file *context) {
- char *value;
- ftepp_predef_randval = (util_rand() % 0xFF) + 1;
- util_asprintf(&value, "%u", ftepp_predef_randval);
+static char *ftepp_predef_random(ftepp_t *context) {
+ char *value;
- (void)context;
+ context->predef_randval = (util_rand() % 0xFF) + 1;
+ util_asprintf(&value, "%u", context->predef_randval);
return value;
}
/* __RANDOM_LAST__ */
-char *ftepp_predef_randomlast(lex_file *context) {
- char *value;
- util_asprintf(&value, "%u", ftepp_predef_randval);
+static char *ftepp_predef_randomlast(ftepp_t *context) {
+ char *value;
+
+ util_asprintf(&value, "%u", context->predef_randval);
+ return value;
+}
+/* __TIMESTAMP__ */
+static char *ftepp_predef_timestamp(ftepp_t *context) {
+ struct stat finfo;
+ const char *find;
+ char *value;
+ size_t size;
+
+ if (stat(context->lex->name, &finfo))
+ return util_strdup("\"<failed to determine timestamp>\"");
+
+ find = util_ctime(&finfo.st_mtime);
+ value = (char*)mem_a(strlen(find) + 1);
+ memcpy(&value[1], find, (size = strlen(find)) - 1);
+
+ value[0] = '"';
+ value[size] = '"';
- (void)context;
return value;
}
-const ftepp_predef_t ftepp_predefs[FTEPP_PREDEF_COUNT] = {
+typedef struct {
+ const char *name;
+ char *(*func)(ftepp_t *);
+} ftepp_predef_t;
+
+static const ftepp_predef_t ftepp_predefs[] = {
{ "__LINE__", &ftepp_predef_line },
{ "__FILE__", &ftepp_predef_file },
{ "__COUNTER__", &ftepp_predef_counter },
{ "__RANDOM__", &ftepp_predef_random },
{ "__RANDOM_LAST__", &ftepp_predef_randomlast },
{ "__DATE__", &ftepp_predef_date },
- { "__TIME__", &ftepp_predef_time }
+ { "__TIME__", &ftepp_predef_time },
+ { "__TIME_STAMP__", &ftepp_predef_timestamp }
};
+static GMQCC_INLINE size_t ftepp_predef_index(const char *name) {
+ /* no hashtable here, we simply check for one to exist the naive way */
+ size_t i;
+ for(i = 1; i < GMQCC_ARRAY_COUNT(ftepp_predefs) + 1; i++)
+ if (!strcmp(ftepp_predefs[i-1].name, name))
+ return i;
+ return 0;
+}
+
+bool ftepp_predef_exists(const char *name);
+bool ftepp_predef_exists(const char *name) {
+ return ftepp_predef_index(name) != 0;
+}
+
+/* singleton because we're allowed */
+static GMQCC_INLINE char *(*ftepp_predef(const char *name))(ftepp_t *context) {
+ size_t i = ftepp_predef_index(name);
+ return (i != 0) ? ftepp_predefs[i-1].func : NULL;
+}
+
#define ftepp_tokval(f) ((f)->lex->tok.value)
#define ftepp_ctx(f) ((f)->lex->tok.ctx)
-static void ftepp_errorat(ftepp_t *ftepp, lex_ctx ctx, const char *fmt, ...)
+static void ftepp_errorat(ftepp_t *ftepp, lex_ctx_t ctx, const char *fmt, ...)
{
va_list ap;
ftepp->errors++;
va_start(ap, fmt);
- con_cvprintmsg((void*)&ctx, LVL_ERROR, "error", fmt, ap);
+ con_cvprintmsg(ctx, LVL_ERROR, "error", fmt, ap);
va_end(ap);
}
ftepp->errors++;
va_start(ap, fmt);
- con_cvprintmsg((void*)&ftepp->lex->tok.ctx, LVL_ERROR, "error", fmt, ap);
+ con_cvprintmsg(ftepp->lex->tok.ctx, LVL_ERROR, "error", fmt, ap);
va_end(ap);
}
mem_d(self);
}
-static ppmacro *ppmacro_new(lex_ctx ctx, const char *name)
+static ppmacro *ppmacro_new(lex_ctx_t ctx, const char *name)
{
ppmacro *macro = (ppmacro*)mem_a(sizeof(ppmacro));
mem_d(self);
}
-static ftepp_t* ftepp_new()
+static ftepp_t* ftepp_new(void)
{
ftepp_t *ftepp;
ftepp = (ftepp_t*)mem_a(sizeof(*ftepp));
memset(ftepp, 0, sizeof(*ftepp));
- ftepp->macros = util_htnew(HT_MACROS);
- ftepp->output_on = true;
+ ftepp->macros = util_htnew(HT_MACROS);
+ ftepp->output_on = true;
+ ftepp->predef_countval = 0;
+ ftepp->predef_randval = 0;
return ftepp;
}
static GMQCC_INLINE ppmacro* ftepp_macro_find(ftepp_t *ftepp, const char *name)
{
- return util_htget(ftepp->macros, name);
+ return (ppmacro*)util_htget(ftepp->macros, name);
}
static GMQCC_INLINE void ftepp_macro_delete(ftepp_t *ftepp, const char *name)
{
- util_htrm(ftepp->macros, name, NULL);
+ util_htrm(ftepp->macros, name, (void (*)(void*))&ppmacro_delete);
}
static GMQCC_INLINE int ftepp_next(ftepp_t *ftepp)
return true;
}
+static const char *ftepp_math_constants[][2] = {
+ { "M_E", "2.7182818284590452354" }, /* e */
+ { "M_LOG2E", "1.4426950408889634074" }, /* log_2 e */
+ { "M_LOG10E", "0.43429448190325182765" }, /* log_10 e */
+ { "M_LN2", "0.69314718055994530942" }, /* log_e 2 */
+ { "M_LN10", "2.30258509299404568402" }, /* log_e 10 */
+ { "M_PI", "3.14159265358979323846" }, /* pi */
+ { "M_PI_2", "1.57079632679489661923" }, /* pi/2 */
+ { "M_PI_4", "0.78539816339744830962" }, /* pi/4 */
+ { "M_1_PI", "0.31830988618379067154" }, /* 1/pi */
+ { "M_2_PI", "0.63661977236758134308" }, /* 2/pi */
+ { "M_2_SQRTPI", "1.12837916709551257390" }, /* 2/sqrt(pi) */
+ { "M_SQRT2", "1.41421356237309504880" }, /* sqrt(2) */
+ { "M_SQRT1_2", "0.70710678118654752440" }, /* 1/sqrt(2) */
+ { "M_TAU", "6.28318530717958647692" } /* pi*2 */
+};
+
static bool ftepp_define(ftepp_t *ftepp)
{
ppmacro *macro = NULL;
size_t l = ftepp_ctx(ftepp).line;
+ size_t i;
+ bool mathconstant = false;
(void)ftepp_next(ftepp);
if (!ftepp_skipspace(ftepp))
case TOKEN_IDENT:
case TOKEN_TYPENAME:
case TOKEN_KEYWORD:
+ if (OPTS_FLAG(FTEPP_MATHDEFS)) {
+ for (i = 0; i < GMQCC_ARRAY_COUNT(ftepp_math_constants); i++) {
+ if (!strcmp(ftepp_math_constants[i][0], ftepp_tokval(ftepp))) {
+ mathconstant = true;
+ break;
+ }
+ }
+ }
+
macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
+
+ if (OPTS_FLAG(FTEPP_MATHDEFS)) {
+ /* user defined ones take precedence */
+ if (macro && mathconstant) {
+ ftepp_macro_delete(ftepp, ftepp_tokval(ftepp));
+ macro = NULL;
+ }
+ }
+
if (macro && ftepp->output_on) {
if (ftepp_warn(ftepp, WARN_CPP, "redefining `%s`", ftepp_tokval(ftepp)))
return false;
return false;
}
-#if 0
- if (ftepp->output_on)
- vec_push(ftepp->macros, macro);
-#endif
if (ftepp->output_on)
util_htset(ftepp->macros, macro->name, (void*)macro);
else {
ptok = pptoken_make(ftepp);
vec_push(mp.tokens, ptok);
if (ftepp_next(ftepp) >= TOKEN_EOF) {
- ftepp_error(ftepp, "unexpected EOF in macro call");
+ ftepp_error(ftepp, "unexpected end of file in macro call");
goto on_error;
}
}
goto on_error;
}
if (ftepp_next(ftepp) >= TOKEN_EOF) {
- ftepp_error(ftepp, "unexpected EOF in macro call");
+ ftepp_error(ftepp, "unexpected end of file in macro call");
goto on_error;
}
}
- /* need to leave that up
- if (ftepp_next(ftepp) >= TOKEN_EOF) {
- ftepp_error(ftepp, "unexpected EOF in macro call");
- goto on_error;
- }
- */
*out_params = params;
return true;
if (resetline && !ftepp->in_macro) {
char lineno[128];
- snprintf(lineno, 128, "\n#pragma line(%lu)\n", (unsigned long)(old_lexer->sline));
+ util_snprintf(lineno, 128, "\n#pragma line(%lu)\n", (unsigned long)(old_lexer->sline));
ftepp_out(ftepp, lineno, false);
}
static char *ftepp_include_find_path(const char *file, const char *pathfile)
{
- FILE *fp;
+ fs_file_t *fp;
char *filename = NULL;
const char *last_slash;
size_t len;
/* handle the odd non string constant case so it works like C */
if (ftepp->token != TOKEN_STRINGCONST) {
bool store = false;
- vec_upload(message, "#warning", 8);
+ vec_append(message, 8, "#warning");
ftepp_next(ftepp);
while (ftepp->token != TOKEN_EOL) {
- vec_upload(message, ftepp_tokval(ftepp), strlen(ftepp_tokval(ftepp)));
+ vec_append(message, strlen(ftepp_tokval(ftepp)), ftepp_tokval(ftepp));
ftepp_next(ftepp);
}
vec_push(message, '\0');
/* handle the odd non string constant case so it works like C */
if (ftepp->token != TOKEN_STRINGCONST) {
- vec_upload(message, "#error", 6);
+ vec_append(message, 6, "#error");
ftepp_next(ftepp);
while (ftepp->token != TOKEN_EOL) {
- vec_upload(message, ftepp_tokval(ftepp), strlen(ftepp_tokval(ftepp)));
+ vec_append(message, strlen(ftepp_tokval(ftepp)), ftepp_tokval(ftepp));
ftepp_next(ftepp);
}
vec_push(message, '\0');
/* handle the odd non string constant case so it works like C */
if (ftepp->token != TOKEN_STRINGCONST) {
- vec_upload(message, "#message", 8);
+ vec_append(message, 8, "#message");
ftepp_next(ftepp);
while (ftepp->token != TOKEN_EOL) {
- vec_upload(message, ftepp_tokval(ftepp), strlen(ftepp_tokval(ftepp)));
+ vec_append(message, strlen(ftepp_tokval(ftepp)), ftepp_tokval(ftepp));
ftepp_next(ftepp);
}
vec_push(message, '\0');
if (ftepp->output_on)
- con_cprintmsg(&ftepp->lex->tok.ctx, LVL_MSG, "message", message);
+ con_cprintmsg(ftepp->lex->tok.ctx, LVL_MSG, "message", message);
vec_free(message);
return;
}
return;
unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
- con_cprintmsg(&ftepp->lex->tok.ctx, LVL_MSG, "message", ftepp_tokval(ftepp));
+ con_cprintmsg(ftepp->lex->tok.ctx, LVL_MSG, "message", ftepp_tokval(ftepp));
}
/**
{
lex_file *old_lexer = ftepp->lex;
lex_file *inlex;
- lex_ctx ctx;
+ lex_ctx_t ctx;
char lineno[128];
char *filename;
char *old_includename;
ftepp_out(ftepp, "\n#pragma file(", false);
ftepp_out(ftepp, ctx.file, false);
- snprintf(lineno, sizeof(lineno), ")\n#pragma line(%lu)\n", (unsigned long)(ctx.line+1));
+ util_snprintf(lineno, sizeof(lineno), ")\n#pragma line(%lu)\n", (unsigned long)(ctx.line+1));
ftepp_out(ftepp, lineno, false);
/* skip the line */
return true;
}
+static GMQCC_INLINE void ftepp_inmacro(ftepp_t *ftepp, const char *hash) {
+ if (ftepp->in_macro)
+ (void)!ftepp_warn(ftepp, WARN_DIRECTIVE_INMACRO, "`#%s` directive in macro", hash);
+}
+
static bool ftepp_hash(ftepp_t *ftepp)
{
ppcondition cond;
ppcondition *pc;
- lex_ctx ctx = ftepp_ctx(ftepp);
+ lex_ctx_t ctx = ftepp_ctx(ftepp);
if (!ftepp_skipspace(ftepp))
return false;
case TOKEN_IDENT:
case TOKEN_TYPENAME:
if (!strcmp(ftepp_tokval(ftepp), "define")) {
+ ftepp_inmacro(ftepp, "define");
return ftepp_define(ftepp);
}
else if (!strcmp(ftepp_tokval(ftepp), "undef")) {
+ ftepp_inmacro(ftepp, "undef");
return ftepp_undef(ftepp);
}
else if (!strcmp(ftepp_tokval(ftepp), "ifdef")) {
+ ftepp_inmacro(ftepp, "ifdef");
if (!ftepp_ifdef(ftepp, &cond))
return false;
cond.was_on = cond.on;
break;
}
else if (!strcmp(ftepp_tokval(ftepp), "ifndef")) {
+ ftepp_inmacro(ftepp, "ifndef");
if (!ftepp_ifdef(ftepp, &cond))
return false;
cond.on = !cond.on;
break;
}
else if (!strcmp(ftepp_tokval(ftepp), "elifdef")) {
+ ftepp_inmacro(ftepp, "elifdef");
if (!ftepp_else_allowed(ftepp))
return false;
if (!ftepp_ifdef(ftepp, &cond))
break;
}
else if (!strcmp(ftepp_tokval(ftepp), "elifndef")) {
+ ftepp_inmacro(ftepp, "elifndef");
if (!ftepp_else_allowed(ftepp))
return false;
if (!ftepp_ifdef(ftepp, &cond))
break;
}
else if (!strcmp(ftepp_tokval(ftepp), "elif")) {
+ ftepp_inmacro(ftepp, "elif");
if (!ftepp_else_allowed(ftepp))
return false;
if (!ftepp_if(ftepp, &cond))
break;
}
else if (!strcmp(ftepp_tokval(ftepp), "if")) {
+ ftepp_inmacro(ftepp, "if");
if (!ftepp_if(ftepp, &cond))
return false;
cond.was_on = cond.on;
break;
}
else if (!strcmp(ftepp_tokval(ftepp), "else")) {
+ ftepp_inmacro(ftepp, "else");
if (!ftepp_else_allowed(ftepp))
return false;
pc = &vec_last(ftepp->conditions);
break;
}
else if (!strcmp(ftepp_tokval(ftepp), "endif")) {
+ ftepp_inmacro(ftepp, "endif");
if (!vec_size(ftepp->conditions)) {
ftepp_error(ftepp, "#endif without #if");
return false;
break;
}
else if (!strcmp(ftepp_tokval(ftepp), "include")) {
+ ftepp_inmacro(ftepp, "include");
return ftepp_include(ftepp);
}
else if (!strcmp(ftepp_tokval(ftepp), "pragma")) {
/* predef stuff */
char *expand = NULL;
- size_t i;
ftepp->lex->flags.preprocessing = true;
ftepp->lex->flags.mergelines = false;
case TOKEN_TYPENAME:
/* is it a predef? */
if (OPTS_FLAG(FTEPP_PREDEFS)) {
- for (i = 0; i < sizeof(ftepp_predefs) / sizeof (*ftepp_predefs); i++) {
- if (!strcmp(ftepp_predefs[i].name, ftepp_tokval(ftepp))) {
- expand = ftepp_predefs[i].func(ftepp->lex);
- ftepp_out(ftepp, expand, false);
- ftepp_next(ftepp); /* skip */
-
- mem_d(expand); /* free memory */
- break;
- }
+ char *(*predef)(ftepp_t*) = ftepp_predef(ftepp_tokval(ftepp));
+ if (predef) {
+ expand = predef(ftepp);
+ ftepp_out (ftepp, expand, false);
+ ftepp_next(ftepp);
+
+ mem_d(expand);
+ break;
}
}
return;
}
- vec_upload(create, "#define ", 8);
- vec_upload(create, name, strlen(name));
+ vec_append(create, 8, "#define ");
+ vec_append(create, strlen(name), name);
vec_push (create, ' ');
- vec_upload(create, value, strlen(value));
+ vec_append(create, strlen(value), value);
vec_push (create, 0);
ftepp_preprocess_string(ftepp, "__builtin__", create);
ftepp_t *ftepp;
char minor[32];
char major[32];
+ size_t i;
ftepp = ftepp_new();
if (!ftepp)
minor[2] = '"';
} else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
ftepp_add_define(ftepp, NULL, "__STD_GMQCC__");
- snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
- snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
+ util_snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
+ util_snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
} else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCCX) {
ftepp_add_define(ftepp, NULL, "__STD_QCCX__");
- snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
- snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
+ util_snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
+ util_snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
} else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
ftepp_add_define(ftepp, NULL, "__STD_QCC__");
/* 1.0 */
ftepp_add_macro(ftepp, "__STD_VERSION_MINOR__", minor);
ftepp_add_macro(ftepp, "__STD_VERSION_MAJOR__", major);
+ /*
+ * We're going to just make __NULL__ nil, which works for 60% of the
+ * cases of __NULL_ for fteqcc.
+ */
+ ftepp_add_macro(ftepp, "__NULL__", "nil");
+
+ /* add all the math constants if they can be */
+ if (OPTS_FLAG(FTEPP_MATHDEFS)) {
+ for (i = 0; i < GMQCC_ARRAY_COUNT(ftepp_math_constants); i++)
+ if (!ftepp_macro_find(ftepp, ftepp_math_constants[i][0]))
+ ftepp_add_macro(ftepp, ftepp_math_constants[i][0], ftepp_math_constants[i][1]);
+ }
+
return ftepp;
}
void ftepp_add_define(ftepp_t *ftepp, const char *source, const char *name)
{
ppmacro *macro;
- lex_ctx ctx = { "__builtin__", 0 };
+ lex_ctx_t ctx = { "__builtin__", 0, 0 };
ctx.file = source;
macro = ppmacro_new(ctx, name);
/*vec_push(ftepp->macros, macro);*/
projects / xonotic / gmqcc.git / blobdiff