/*
* Copyright (C) 2012, 2013
* 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
#include "gmqcc.h"
#include "lexer.h"
+#define HT_MACROS 1024
typedef struct {
bool on;
bool was_on;
pptoken **output;
} ppmacro;
-typedef struct {
+typedef struct ftepp_s {
lex_file *lex;
int token;
unsigned int errors;
bool output_on;
ppcondition *conditions;
- ppmacro **macros;
+ /*ppmacro **macros;*/
+ 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;
char *ftepp_predef_date(lex_file *context) {
struct tm *itime;
time_t rtime;
- char *value = mem_a(82);
+ char *value = (char*)mem_a(82);
/* 82 is enough for strftime but we also have " " in our string */
(void)context;
char *ftepp_predef_time(lex_file *context) {
struct tm *itime;
time_t rtime;
- char *value = mem_a(82);
+ char *value = (char*)mem_a(82);
/* 82 is enough for strftime but we also have " " in our string */
(void)context;
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);
- memset (value, 0, length);
- sprintf(value, "\"%s\"", context->name);
+ snprintf(value, length, "\"%s\"", context->name);
return value;
}
return token;
}
-static void pptoken_delete(pptoken *self)
+static GMQCC_INLINE void pptoken_delete(pptoken *self)
{
mem_d(self->value);
mem_d(self);
ftepp = (ftepp_t*)mem_a(sizeof(*ftepp));
memset(ftepp, 0, sizeof(*ftepp));
+ ftepp->macros = util_htnew(HT_MACROS);
ftepp->output_on = true;
return ftepp;
}
-static void ftepp_flush_do(ftepp_t *self)
+static GMQCC_INLINE void ftepp_flush_do(ftepp_t *self)
{
vec_free(self->output_string);
}
static void ftepp_delete(ftepp_t *self)
{
- size_t i;
ftepp_flush_do(self);
if (self->itemname)
mem_d(self->itemname);
if (self->includename)
vec_free(self->includename);
- for (i = 0; i < vec_size(self->macros); ++i)
- ppmacro_delete(self->macros[i]);
- vec_free(self->macros);
+
+ util_htrem(self->macros, (void (*)(void*))&ppmacro_delete);
+
vec_free(self->conditions);
if (self->lex)
lex_close(self->lex);
}
}
-static void ftepp_update_output_condition(ftepp_t *ftepp)
+static GMQCC_INLINE void ftepp_update_output_condition(ftepp_t *ftepp)
{
size_t i;
ftepp->output_on = true;
ftepp->output_on = ftepp->output_on && ftepp->conditions[i].on;
}
-static ppmacro* ftepp_macro_find(ftepp_t *ftepp, const char *name)
+static GMQCC_INLINE ppmacro* ftepp_macro_find(ftepp_t *ftepp, const char *name)
{
- size_t i;
- for (i = 0; i < vec_size(ftepp->macros); ++i) {
- if (!strcmp(name, ftepp->macros[i]->name))
- return ftepp->macros[i];
- }
- return NULL;
+ return util_htget(ftepp->macros, name);
}
-static void ftepp_macro_delete(ftepp_t *ftepp, const char *name)
+static GMQCC_INLINE void ftepp_macro_delete(ftepp_t *ftepp, const char *name)
{
- size_t i;
- for (i = 0; i < vec_size(ftepp->macros); ++i) {
- if (!strcmp(name, ftepp->macros[i]->name)) {
- vec_remove(ftepp->macros, i, 1);
- return;
- }
- }
+ util_htrm(ftepp->macros, name, NULL);
}
static GMQCC_INLINE int ftepp_next(ftepp_t *ftepp)
return false;
}
} while (ftepp->token == ',');
+
if (ftepp->token != ')') {
ftepp_error(ftepp, "expected closing paren after macro parameter list");
return false;
{
pptoken *ptok;
while (ftepp->token != TOKEN_EOL && ftepp->token < TOKEN_EOF) {
- if (macro->variadic && !strcmp(ftepp_tokval(ftepp), "__VA_ARGS__"))
- ftepp->token = TOKEN_VA_ARGS;
- ptok = pptoken_make(ftepp);
- vec_push(macro->output, ptok);
- ftepp_next(ftepp);
+ bool subscript = false;
+ size_t index = 0;
+ if (macro->variadic && !strcmp(ftepp_tokval(ftepp), "__VA_ARGS__")) {
+ subscript = !!(ftepp_next(ftepp) == '#');
+
+ if (subscript && ftepp_next(ftepp) != '#') {
+ ftepp_error(ftepp, "expected `##` in __VA_ARGS__ for subscripting");
+ return false;
+ } else if (subscript) {
+ if (ftepp_next(ftepp) == '[') {
+ if (ftepp_next(ftepp) != TOKEN_INTCONST) {
+ ftepp_error(ftepp, "expected index for __VA_ARGS__ subscript");
+ return false;
+ }
+
+ index = (int)strtol(ftepp_tokval(ftepp), NULL, 10);
+
+ if (ftepp_next(ftepp) != ']') {
+ ftepp_error(ftepp, "expected `]` in __VA_ARGS__ subscript");
+ return false;
+ }
+
+ /*
+ * mark it as an array to be handled later as such and not
+ * as traditional __VA_ARGS__
+ */
+ ftepp->token = TOKEN_VA_ARGS_ARRAY;
+ ptok = pptoken_make(ftepp);
+ ptok->constval.i = index;
+ vec_push(macro->output, ptok);
+ ftepp_next(ftepp);
+ } else {
+ ftepp_error(ftepp, "expected `[` for subscripting of __VA_ARGS__");
+ return false;
+ }
+ } else {
+ int old = ftepp->token;
+ ftepp->token = TOKEN_VA_ARGS;
+ ptok = pptoken_make(ftepp);
+ vec_push(macro->output, ptok);
+ ftepp->token = old;
+ }
+ }
+ else if (macro->variadic && !strcmp(ftepp_tokval(ftepp), "__VA_COUNT__")) {
+ ftepp->token = TOKEN_VA_COUNT;
+ ptok = pptoken_make(ftepp);
+ vec_push(macro->output, ptok);
+ ftepp_next(ftepp);
+ } else {
+ ptok = pptoken_make(ftepp);
+ vec_push(macro->output, ptok);
+ ftepp_next(ftepp);
+ }
}
/* recursive expansion can cause EOFs here */
if (ftepp->token != TOKEN_EOL && ftepp->token != TOKEN_EOF) {
static bool ftepp_define(ftepp_t *ftepp)
{
- ppmacro *macro;
+ ppmacro *macro = NULL;
size_t l = ftepp_ctx(ftepp).line;
(void)ftepp_next(ftepp);
case TOKEN_KEYWORD:
macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
if (macro && ftepp->output_on) {
- if (ftepp_warn(ftepp, WARN_PREPROCESSOR, "redefining `%s`", ftepp_tokval(ftepp)))
+ if (ftepp_warn(ftepp, WARN_CPP, "redefining `%s`", ftepp_tokval(ftepp)))
return false;
ftepp_macro_delete(ftepp, ftepp_tokval(ftepp));
}
if (ftepp->token == '(') {
macro->has_params = true;
- if (!ftepp_define_params(ftepp, macro))
+ if (!ftepp_define_params(ftepp, macro)) {
+ ppmacro_delete(macro);
return false;
+ }
}
- if (!ftepp_skipspace(ftepp))
+ if (!ftepp_skipspace(ftepp)) {
+ ppmacro_delete(macro);
return false;
+ }
- if (!ftepp_define_body(ftepp, macro))
+ if (!ftepp_define_body(ftepp, macro)) {
+ ppmacro_delete(macro);
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 {
ppmacro_delete(macro);
}
}
static bool ftepp_preprocess(ftepp_t *ftepp);
-static bool ftepp_macro_expand(ftepp_t *ftepp, ppmacro *macro, macroparam *params)
+static bool ftepp_macro_expand(ftepp_t *ftepp, ppmacro *macro, macroparam *params, bool resetline)
{
+ char *buffer = NULL;
char *old_string = ftepp->output_string;
+ char *inner_string;
lex_file *old_lexer = ftepp->lex;
size_t vararg_start = vec_size(macro->params);
bool retval = true;
size_t o, pi;
lex_file *inlex;
+ bool old_inmacro;
+
int nextok;
if (vararg_start < vec_size(params))
case TOKEN_VA_ARGS:
if (!macro->variadic) {
ftepp_error(ftepp, "internal preprocessor error: TOKEN_VA_ARGS in non-variadic macro");
+ vec_free(old_string);
return false;
}
if (!varargs)
break;
+
pi = 0;
ftepp_param_out(ftepp, ¶ms[pi + vararg_start]);
for (++pi; pi < varargs; ++pi) {
ftepp_param_out(ftepp, ¶ms[pi + vararg_start]);
}
break;
+
+ case TOKEN_VA_ARGS_ARRAY:
+ if ((size_t)out->constval.i >= varargs) {
+ ftepp_error(ftepp, "subscript of `[%u]` is out of bounds for `__VA_ARGS__`", out->constval.i);
+ vec_free(old_string);
+ return false;
+ }
+
+ ftepp_param_out(ftepp, ¶ms[out->constval.i + vararg_start]);
+ break;
+
+ case TOKEN_VA_COUNT:
+ util_asprintf(&buffer, "%d", varargs);
+ ftepp_out(ftepp, buffer, false);
+ mem_d(buffer);
+ break;
+
case TOKEN_IDENT:
case TOKEN_TYPENAME:
case TOKEN_KEYWORD:
}
}
vec_push(ftepp->output_string, 0);
- has_newlines = (strchr(ftepp->output_string, '\n') != NULL);
/* Now run the preprocessor recursively on this string buffer */
/*
printf("__________\n%s\n=========\n", ftepp->output_string);
retval = false;
goto cleanup;
}
- ftepp->output_string = old_string;
- inlex->line = ftepp->lex->line;
+
+ inlex->line = ftepp->lex->line;
inlex->sline = ftepp->lex->sline;
- ftepp->lex = inlex;
- if (has_newlines)
- ftepp_recursion_header(ftepp);
+ ftepp->lex = inlex;
+
+ old_inmacro = ftepp->in_macro;
+ ftepp->in_macro = true;
+ ftepp->output_string = NULL;
if (!ftepp_preprocess(ftepp)) {
+ ftepp->in_macro = old_inmacro;
vec_free(ftepp->lex->open_string);
- old_string = ftepp->output_string;
+ vec_free(ftepp->output_string);
lex_close(ftepp->lex);
retval = false;
goto cleanup;
}
+ ftepp->in_macro = old_inmacro;
vec_free(ftepp->lex->open_string);
- if (has_newlines)
+ lex_close(ftepp->lex);
+
+ inner_string = ftepp->output_string;
+ ftepp->output_string = old_string;
+
+ has_newlines = (strchr(inner_string, '\n') != NULL);
+
+ if (has_newlines && !old_inmacro)
+ ftepp_recursion_header(ftepp);
+
+ vec_append(ftepp->output_string, vec_size(inner_string), inner_string);
+ vec_free(inner_string);
+
+ if (has_newlines && !old_inmacro)
ftepp_recursion_footer(ftepp);
- old_string = ftepp->output_string;
+ if (resetline && !ftepp->in_macro) {
+ char lineno[128];
+ snprintf(lineno, 128, "\n#pragma line(%lu)\n", (unsigned long)(old_lexer->sline));
+ ftepp_out(ftepp, lineno, false);
+ }
+
+ old_string = ftepp->output_string;
cleanup:
ftepp->lex = old_lexer;
ftepp->output_string = old_string;
size_t o;
macroparam *params = NULL;
bool retval = true;
+ size_t paramline;
if (!macro->has_params) {
- if (!ftepp_macro_expand(ftepp, macro, NULL))
+ if (!ftepp_macro_expand(ftepp, macro, NULL, false))
return false;
ftepp_next(ftepp);
return true;
}
ftepp_next(ftepp);
+ paramline = ftepp->lex->sline;
if (!ftepp_macro_call_params(ftepp, ¶ms))
return false;
goto cleanup;
}
- if (!ftepp_macro_expand(ftepp, macro, params))
+ if (!ftepp_macro_expand(ftepp, macro, params, (paramline != ftepp->lex->sline)))
retval = false;
ftepp_next(ftepp);
default:
ftepp_error(ftepp, "junk in #if: `%s` ...", ftepp_tokval(ftepp));
- if (opts.debug)
+ if (OPTS_OPTION_BOOL(OPTION_DEBUG))
ftepp_error(ftepp, "internal: token %i\n", ftepp->token);
return false;
}
memcpy(vec_add(filename, len+1), file, len);
vec_last(filename) = 0;
- fp = file_open(filename, "rb");
+ fp = fs_file_open(filename, "rb");
if (fp) {
- file_close(fp);
+ fs_file_close(fp);
return filename;
}
vec_free(filename);
ftepp_next(ftepp);
}
vec_push(message, '\0');
- store = ftepp_warn(ftepp, WARN_CPP, message);
+ if (ftepp->output_on)
+ store = ftepp_warn(ftepp, WARN_CPP, message);
+ else
+ store = false;
vec_free(message);
return store;
}
+ if (!ftepp->output_on)
+ return false;
+
unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
return ftepp_warn(ftepp, WARN_CPP, "#warning %s", ftepp_tokval(ftepp));
}
ftepp_next(ftepp);
}
vec_push(message, '\0');
- ftepp_error(ftepp, message);
+ if (ftepp->output_on)
+ ftepp_error(ftepp, message);
vec_free(message);
return;
}
+ if (!ftepp->output_on)
+ return;
+
unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
ftepp_error(ftepp, "#error %s", ftepp_tokval(ftepp));
}
+static void ftepp_directive_message(ftepp_t *ftepp) {
+ char *message = NULL;
+
+ if (!ftepp_skipspace(ftepp))
+ return;
+
+ /* handle the odd non string constant case so it works like C */
+ if (ftepp->token != TOKEN_STRINGCONST) {
+ vec_upload(message, "#message", 8);
+ ftepp_next(ftepp);
+ while (ftepp->token != TOKEN_EOL) {
+ vec_upload(message, ftepp_tokval(ftepp), strlen(ftepp_tokval(ftepp)));
+ ftepp_next(ftepp);
+ }
+ vec_push(message, '\0');
+ if (ftepp->output_on)
+ con_cprintmsg(&ftepp->lex->tok.ctx, LVL_MSG, "message", message);
+ vec_free(message);
+ return;
+ }
+
+ if (!ftepp->output_on)
+ return;
+
+ unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
+ con_cprintmsg(&ftepp->lex->tok.ctx, LVL_MSG, "message", ftepp_tokval(ftepp));
+}
+
/**
* Include a file.
* FIXME: do we need/want a -I option?
return false;
}
+ if (!ftepp->output_on) {
+ ftepp_next(ftepp);
+ return true;
+ }
+
ctx = ftepp_ctx(ftepp);
unescape(ftepp_tokval(ftepp), ftepp_tokval(ftepp));
ftepp_directive_error(ftepp);
break;
}
+ else if (!strcmp(ftepp_tokval(ftepp), "message")) {
+ ftepp_directive_message(ftepp);
+ break;
+ }
else {
if (ftepp->output_on) {
ftepp_error(ftepp, "unrecognized preprocessor directive: `%s`", ftepp_tokval(ftepp));
break;
case TOKEN_WHITE:
/* same as default but don't set newline=false */
- ftepp_out(ftepp, ftepp_tokval(ftepp), false);
+ ftepp_out(ftepp, ftepp_tokval(ftepp), true);
ftepp_next(ftepp);
break;
default:
/* Like in parser.c - files keep the previous state so we have one global
* preprocessor. Except here we will want to warn about dangling #ifs.
*/
-static ftepp_t *ftepp;
-
-static bool ftepp_preprocess_done()
+static bool ftepp_preprocess_done(ftepp_t *ftepp)
{
bool retval = true;
if (vec_size(ftepp->conditions)) {
return retval;
}
-bool ftepp_preprocess_file(const char *filename)
+bool ftepp_preprocess_file(ftepp_t *ftepp, const char *filename)
{
ftepp->lex = lex_open(filename);
ftepp->itemname = util_strdup(filename);
}
if (!ftepp_preprocess(ftepp))
return false;
- return ftepp_preprocess_done();
+ return ftepp_preprocess_done(ftepp);
}
-bool ftepp_preprocess_string(const char *name, const char *str)
+bool ftepp_preprocess_string(ftepp_t *ftepp, const char *name, const char *str)
{
ftepp->lex = lex_open_string(str, strlen(str), name);
ftepp->itemname = util_strdup(name);
}
if (!ftepp_preprocess(ftepp))
return false;
- return ftepp_preprocess_done();
+ return ftepp_preprocess_done(ftepp);
}
-void ftepp_add_macro(const char *name, const char *value) {
+void ftepp_add_macro(ftepp_t *ftepp, const char *name, const char *value) {
char *create = NULL;
/* use saner path for empty macros */
if (!value) {
- ftepp_add_define("__builtin__", name);
+ ftepp_add_define(ftepp, "__builtin__", name);
return;
}
vec_upload(create, value, strlen(value));
vec_push (create, 0);
- ftepp_preprocess_string("__builtin__", create);
+ ftepp_preprocess_string(ftepp, "__builtin__", create);
vec_free (create);
}
-bool ftepp_init()
+ftepp_t *ftepp_create()
{
+ ftepp_t *ftepp;
char minor[32];
char major[32];
ftepp = ftepp_new();
if (!ftepp)
- return false;
+ return NULL;
memset(minor, 0, sizeof(minor));
memset(major, 0, sizeof(major));
/* set the right macro based on the selected standard */
- ftepp_add_define(NULL, "GMQCC");
- if (opts.standard == COMPILER_FTEQCC) {
- ftepp_add_define(NULL, "__STD_FTEQCC__");
+ ftepp_add_define(ftepp, NULL, "GMQCC");
+ if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
+ ftepp_add_define(ftepp, NULL, "__STD_FTEQCC__");
/* 1.00 */
major[0] = '"';
major[1] = '1';
minor[0] = '"';
minor[1] = '0';
minor[2] = '"';
- } else if (opts.standard == COMPILER_GMQCC) {
- ftepp_add_define(NULL, "__STD_GMQCC__");
- sprintf(major, "\"%d\"", GMQCC_VERSION_MAJOR);
- sprintf(minor, "\"%d\"", GMQCC_VERSION_MINOR);
- } else if (opts.standard == COMPILER_QCCX) {
- ftepp_add_define(NULL, "__STD_QCCX__");
- sprintf(major, "\"%d\"", GMQCC_VERSION_MAJOR);
- sprintf(minor, "\"%d\"", GMQCC_VERSION_MINOR);
- } else if (opts.standard == COMPILER_QCC) {
- ftepp_add_define(NULL, "__STD_QCC__");
+ } 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);
+ } 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);
+ } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
+ ftepp_add_define(ftepp, NULL, "__STD_QCC__");
/* 1.0 */
major[0] = '"';
major[1] = '1';
minor[2] = '"';
}
- ftepp_add_macro("__STD_VERSION_MINOR__", minor);
- ftepp_add_macro("__STD_VERSION_MAJOR__", major);
+ ftepp_add_macro(ftepp, "__STD_VERSION_MINOR__", minor);
+ ftepp_add_macro(ftepp, "__STD_VERSION_MAJOR__", major);
- return true;
+ return ftepp;
}
-void ftepp_add_define(const char *source, const char *name)
+void ftepp_add_define(ftepp_t *ftepp, const char *source, const char *name)
{
ppmacro *macro;
lex_ctx ctx = { "__builtin__", 0 };
ctx.file = source;
macro = ppmacro_new(ctx, name);
- vec_push(ftepp->macros, macro);
+ /*vec_push(ftepp->macros, macro);*/
+ util_htset(ftepp->macros, name, macro);
}
-const char *ftepp_get()
+const char *ftepp_get(ftepp_t *ftepp)
{
return ftepp->output_string;
}
-void ftepp_flush()
+void ftepp_flush(ftepp_t *ftepp)
{
ftepp_flush_do(ftepp);
}
-void ftepp_finish()
+void ftepp_finish(ftepp_t *ftepp)
{
if (!ftepp)
return;
ftepp_delete(ftepp);
- ftepp = NULL;
}
projects / xonotic / gmqcc.git / blobdiff