#define PARSER_HT_SIZE 1024
#define TYPEDEF_HT_SIZE 16
+enum parser_pot { POT_PAREN, POT_TERNARY1, POT_TERNARY2 };
typedef struct {
lex_file *lex;
int tok;
* If we reach a 'comma' operator in a ternary without a paren,
* we shall trigger -Wternary-precedence.
*/
- enum { POT_PAREN, POT_TERNARY1, POT_TERNARY2 } *pot;
+ enum parser_pot *pot;
/* pragma flags */
bool noref;
static bool parser_leaveblock(parser_t *parser);
static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e);
static bool parse_typedef(parser_t *parser);
-static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef, bool noref, bool noreturn);
+static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef, bool noref, bool noreturn, bool is_static);
static ast_block* parse_block(parser_t *parser);
static bool parse_block_into(parser_t *parser, ast_block *block);
static bool parse_statement_or_block(parser_t *parser, ast_expression **out);
static void parseerror(parser_t *parser, const char *fmt, ...)
{
- va_list ap;
+ va_list ap;
- parser->errors++;
+ parser->errors++;
- va_start(ap, fmt);
+ va_start(ap, fmt);
con_vprintmsg(LVL_ERROR, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "parse error", fmt, ap);
- va_end(ap);
+ va_end(ap);
}
/* returns true if it counts as an error */
static bool GMQCC_WARN parsewarning(parser_t *parser, int warntype, const char *fmt, ...)
{
bool r;
- va_list ap;
- va_start(ap, fmt);
- r = vcompile_warning(parser->lex->tok.ctx, warntype, fmt, ap);
- va_end(ap);
- return r;
+ va_list ap;
+ va_start(ap, fmt);
+ r = vcompile_warning(parser->lex->tok.ctx, warntype, fmt, ap);
+ va_end(ap);
+ return r;
}
static bool GMQCC_WARN genwarning(lex_ctx ctx, int warntype, const char *fmt, ...)
{
bool r;
- va_list ap;
- va_start(ap, fmt);
- r = vcompile_warning(ctx, warntype, fmt, ap);
- va_end(ap);
- return r;
+ va_list ap;
+ va_start(ap, fmt);
+ r = vcompile_warning(ctx, warntype, fmt, ap);
+ va_end(ap);
+ return r;
}
/**********************************************************************
{
if (str && !*str) {
/* actually dup empty strings */
- char *out = mem_a(1);
+ char *out = (char*)mem_a(1);
*out = 0;
return out;
}
static ast_expression* parser_find_field(parser_t *parser, const char *name)
{
- return util_htget(parser->htfields, name);
+ return ( ast_expression*)util_htget(parser->htfields, name);
}
static ast_expression* parser_find_global(parser_t *parser, const char *name)
{
- return util_htget(parser->htglobals, name);
+ return (ast_expression*)util_htget(parser->htglobals, name);
}
static ast_expression* parser_find_param(parser_t *parser, const char *name)
*isparam = false;
for (i = vec_size(parser->variables); i > upto;) {
--i;
- if ( (e = util_htgeth(parser->variables[i], name, hash)) )
+ if ( (e = (ast_expression*)util_htgeth(parser->variables[i], name, hash)) )
return e;
}
*isparam = true;
val = parser_const_string(parser, parser_tokval(parser), true);
wantop = true;
if (!val)
- return false;
+ return NULL;
vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
DEBUGSHUNTDO(con_out("push string\n"));
wantop = true;
val = parser_const_float(parser, (parser_token(parser)->constval.f));
if (!val)
- return false;
+ return NULL;
vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
DEBUGSHUNTDO(con_out("push %g\n", parser_token(parser)->constval.f));
}
wantop = true;
val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
if (!val)
- return false;
+ return NULL;
vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
DEBUGSHUNTDO(con_out("push %i\n", parser_token(parser)->constval.i));
}
wantop = true;
val = parser_const_string(parser, parser_tokval(parser), false);
if (!val)
- return false;
+ return NULL;
vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
DEBUGSHUNTDO(con_out("push string\n"));
}
wantop = true;
val = parser_const_vector(parser, parser_token(parser)->constval.v);
if (!val)
- return false;
+ return NULL;
vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
DEBUGSHUNTDO(con_out("push '%g %g %g'\n",
parser_token(parser)->constval.v.x,
"current standard does not allow variable declarations in for-loop initializers"))
goto onerr;
}
- if (!parse_variable(parser, block, true, CV_VAR, typevar, false, false))
+ if (!parse_variable(parser, block, true, CV_VAR, typevar, false, false, false))
goto onerr;
}
else if (parser->tok != ';')
/* returns true when it was a variable qualifier, false otherwise!
* on error, cvq is set to CV_WRONG
*/
-static bool parse_var_qualifiers(parser_t *parser, bool with_local, int *cvq, bool *noref, bool *noreturn)
+static bool parse_var_qualifiers(parser_t *parser, bool with_local, int *cvq, bool *noref, bool *noreturn, bool *is_static)
{
- bool had_const = false;
- bool had_var = false;
- bool had_noref = false;
+ bool had_const = false;
+ bool had_var = false;
+ bool had_noref = false;
bool had_noreturn = false;
+ bool had_attrib = false;
+ bool had_static = false;
- *cvq = CV_WRONG;
+ *cvq = CV_NONE;
for (;;) {
if (parser->tok == TOKEN_ATTRIBUTE_OPEN) {
+ had_attrib = true;
/* parse an attribute */
if (!parser_next(parser)) {
parseerror(parser, "expected attribute after `[[`");
+ *cvq = CV_WRONG;
return false;
}
if (!strcmp(parser_tokval(parser), "noreturn")) {
had_noreturn = true;
if (!parser_next(parser) || parser->tok != TOKEN_ATTRIBUTE_CLOSE) {
parseerror(parser, "`noreturn` attribute has no parameters, expected `]]`");
+ *cvq = CV_WRONG;
return false;
}
}
had_noref = true;
if (!parser_next(parser) || parser->tok != TOKEN_ATTRIBUTE_CLOSE) {
parseerror(parser, "`noref` attribute has no parameters, expected `]]`");
+ *cvq = CV_WRONG;
return false;
}
}
else
{
/* Skip tokens until we hit a ]] */
+ (void)!parsewarning(parser, WARN_UNKNOWN_ATTRIBUTE, "unknown attribute starting with `%s`", parser_tokval(parser));
while (parser->tok != TOKEN_ATTRIBUTE_CLOSE) {
if (!parser_next(parser)) {
parseerror(parser, "error inside attribute");
+ *cvq = CV_WRONG;
return false;
}
}
}
}
+ else if (!strcmp(parser_tokval(parser), "static"))
+ had_static = true;
else if (!strcmp(parser_tokval(parser), "const"))
had_const = true;
else if (!strcmp(parser_tokval(parser), "var"))
had_var = true;
else if (!strcmp(parser_tokval(parser), "noref"))
had_noref = true;
- else if (!had_const && !had_var && !had_noref && !had_noreturn) {
+ else if (!had_const && !had_var && !had_noref && !had_noreturn && !had_attrib && !had_static) {
return false;
}
else
*cvq = CV_VAR;
else
*cvq = CV_NONE;
- *noref = had_noref;
- *noreturn = had_noreturn;
+ *noref = had_noref;
+ *noreturn = had_noreturn;
+ *is_static = had_static;
return true;
onerr:
parseerror(parser, "parse error after variable qualifier");
ast_switch_case swcase;
int cvq;
- bool noref, noreturn;
+ bool noref, noreturn, is_static;
lex_ctx ctx = parser_ctx(parser);
if (parser->tok == TOKEN_IDENT)
typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
if (typevar || parser->tok == TOKEN_TYPENAME) {
- if (!parse_variable(parser, block, false, CV_NONE, typevar, false, false)) {
+ if (!parse_variable(parser, block, false, CV_NONE, typevar, false, false, false)) {
ast_delete(switchnode);
return false;
}
continue;
}
- if (parse_var_qualifiers(parser, true, &cvq, &noref, &noreturn))
+ if (parse_var_qualifiers(parser, true, &cvq, &noref, &noreturn, &is_static))
{
if (cvq == CV_WRONG) {
ast_delete(switchnode);
return false;
}
- if (!parse_variable(parser, block, false, cvq, NULL, noref, noreturn)) {
+ if (!parse_variable(parser, block, false, cvq, NULL, noref, noreturn, is_static)) {
ast_delete(switchnode);
return false;
}
while (parser->tok != '}') {
ast_block *caseblock;
- if (parser->tok != TOKEN_KEYWORD) {
- ast_delete(switchnode);
- parseerror(parser, "expected 'case' or 'default'");
- return false;
- }
if (!strcmp(parser_tokval(parser), "case")) {
if (!parser_next(parser)) {
ast_delete(switchnode);
return false;
}
}
+ else {
+ ast_delete(switchnode);
+ parseerror(parser, "expected 'case' or 'default'");
+ return false;
+ }
/* Now the colon and body */
if (parser->tok != ':') {
static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
{
- bool noref, noreturn;
+ bool noref, noreturn, is_static;
int cvq = CV_NONE;
ast_value *typevar = NULL;
if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
return false;
}
- if (!parse_variable(parser, block, false, CV_NONE, typevar, false, false))
+ if (!parse_variable(parser, block, false, CV_NONE, typevar, false, false, false))
return false;
return true;
}
- else if (parse_var_qualifiers(parser, !!block, &cvq, &noref, &noreturn))
+ else if (parse_var_qualifiers(parser, !!block, &cvq, &noref, &noreturn, &is_static))
{
if (cvq == CV_WRONG)
return false;
- return parse_variable(parser, block, true, cvq, NULL, noref, noreturn);
+ return parse_variable(parser, block, true, cvq, NULL, noref, noreturn, is_static);
}
else if (parser->tok == TOKEN_KEYWORD)
{
size_t len = strlen(var->name);
for (i = 0; i < 3; ++i) {
- char *name = mem_a(len+3);
+ char *name = (char*)mem_a(len+3);
memcpy(name, var->name, len);
name[len+0] = '_';
name[len+1] = 'x'+i;
goto on_error;
vec_push(params, param);
if (param->expression.vtype >= TYPE_VARIANT) {
- char typename[1024];
- ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
- parseerror(parser, "type not supported as part of a parameter list: %s", typename);
+ char tname[1024]; /* typename is reserved in C++ */
+ ast_type_to_string((ast_expression*)param, tname, sizeof(tname));
+ parseerror(parser, "type not supported as part of a parameter list: %s", tname);
goto on_error;
}
}
return true;
}
-static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef, bool noref, bool noreturn)
+static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef, bool noref, bool noreturn, bool is_static)
{
ast_value *var;
ast_value *proto;
ast_member *me[3];
+ if (!localblock && is_static)
+ parseerror(parser, "`static` qualifier is not supported in global scope");
+
/* get the first complete variable */
var = parse_typename(parser, &basetype, cached_typedef);
if (!var) {
}
}
} else {
- vec_push(localblock->locals, var);
- parser_addlocal(parser, var->name, (ast_expression*)var);
- if (isvector) {
- for (i = 0; i < 3; ++i) {
- parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
- ast_block_collect(localblock, (ast_expression*)me[i]);
+ if (is_static) {
+ /* a static adds itself to be generated like any other global
+ * but is added to the local namespace instead
+ */
+ char *defname = NULL;
+ size_t prefix_len, ln;
+
+ ln = strlen(parser->function->name);
+ vec_append(defname, ln, parser->function->name);
+
+ vec_append(defname, 2, "::");
+ /* remember the length up to here */
+ prefix_len = vec_size(defname);
+
+ /* Add it to the local scope */
+ util_htset(vec_last(parser->variables), var->name, (void*)var);
+ /* now rename the global */
+ ln = strlen(var->name);
+ vec_append(defname, ln, var->name);
+ ast_value_set_name(var, defname);
+
+ /* push it to the to-be-generated globals */
+ vec_push(parser->globals, (ast_expression*)var);
+
+ /* same game for the vector members */
+ if (isvector) {
+ for (i = 0; i < 3; ++i) {
+ util_htset(vec_last(parser->variables), me[i]->name, (void*)(me[i]));
+
+ vec_shrinkto(defname, prefix_len);
+ ln = strlen(me[i]->name);
+ vec_append(defname, ln, me[i]->name);
+ ast_member_set_name(me[i], defname);
+
+ vec_push(parser->globals, (ast_expression*)me[i]);
+ }
+ }
+ vec_free(defname);
+ } else {
+ vec_push(localblock->locals, var);
+ parser_addlocal(parser, var->name, (ast_expression*)var);
+ if (isvector) {
+ for (i = 0; i < 3; ++i) {
+ parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
+ ast_block_collect(localblock, (ast_expression*)me[i]);
+ }
}
}
}
-
}
me[0] = me[1] = me[2] = NULL;
cleanvar = false;
static bool parser_global_statement(parser_t *parser)
{
- int cvq = CV_WRONG;
- bool noref = false;
- bool noreturn = false;
- ast_value *istype = NULL;
+ int cvq = CV_WRONG;
+ bool noref = false;
+ bool noreturn = false;
+ bool is_static = false;
+ ast_value *istype = NULL;
if (parser->tok == TOKEN_IDENT)
istype = parser_find_typedef(parser, parser_tokval(parser), 0);
if (istype || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
{
- return parse_variable(parser, NULL, false, CV_NONE, istype, false, false);
+ return parse_variable(parser, NULL, false, CV_NONE, istype, false, false, false);
}
- else if (parse_var_qualifiers(parser, false, &cvq, &noref, &noreturn))
+ else if (parse_var_qualifiers(parser, false, &cvq, &noref, &noreturn, &is_static))
{
if (cvq == CV_WRONG)
return false;
- return parse_variable(parser, NULL, true, cvq, NULL, noref, noreturn);
+ return parse_variable(parser, NULL, true, cvq, NULL, noref, noreturn, is_static);
}
else if (parser->tok == TOKEN_KEYWORD)
{
size_t i;
ast_value *value;
- crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
- crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
- /*
- progdefs_crc_file("\tint\tpad;\n");
- progdefs_crc_file("\tint\tofs_return[3];\n");
- progdefs_crc_file("\tint\tofs_parm0[3];\n");
- progdefs_crc_file("\tint\tofs_parm1[3];\n");
- progdefs_crc_file("\tint\tofs_parm2[3];\n");
- progdefs_crc_file("\tint\tofs_parm3[3];\n");
- progdefs_crc_file("\tint\tofs_parm4[3];\n");
- progdefs_crc_file("\tint\tofs_parm5[3];\n");
- progdefs_crc_file("\tint\tofs_parm6[3];\n");
- progdefs_crc_file("\tint\tofs_parm7[3];\n");
- */
- for (i = 0; i < parser->crc_globals; ++i) {
- if (!ast_istype(parser->globals[i], ast_value))
- continue;
- value = (ast_value*)(parser->globals[i]);
- switch (value->expression.vtype) {
- case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
- case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
- case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
- case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
- default:
- crc = progdefs_crc_both(crc, "\tint\t");
- break;
- }
- crc = progdefs_crc_both(crc, value->name);
- crc = progdefs_crc_both(crc, ";\n");
- }
- crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
- for (i = 0; i < parser->crc_fields; ++i) {
- if (!ast_istype(parser->fields[i], ast_value))
- continue;
- value = (ast_value*)(parser->fields[i]);
- switch (value->expression.next->expression.vtype) {
- case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
- case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
- case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
- case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
- default:
- crc = progdefs_crc_both(crc, "\tint\t");
- break;
- }
- crc = progdefs_crc_both(crc, value->name);
- crc = progdefs_crc_both(crc, ";\n");
- }
- crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
-
- code_crc = crc;
+ crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
+ crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
+ /*
+ progdefs_crc_file("\tint\tpad;\n");
+ progdefs_crc_file("\tint\tofs_return[3];\n");
+ progdefs_crc_file("\tint\tofs_parm0[3];\n");
+ progdefs_crc_file("\tint\tofs_parm1[3];\n");
+ progdefs_crc_file("\tint\tofs_parm2[3];\n");
+ progdefs_crc_file("\tint\tofs_parm3[3];\n");
+ progdefs_crc_file("\tint\tofs_parm4[3];\n");
+ progdefs_crc_file("\tint\tofs_parm5[3];\n");
+ progdefs_crc_file("\tint\tofs_parm6[3];\n");
+ progdefs_crc_file("\tint\tofs_parm7[3];\n");
+ */
+ for (i = 0; i < parser->crc_globals; ++i) {
+ if (!ast_istype(parser->globals[i], ast_value))
+ continue;
+ value = (ast_value*)(parser->globals[i]);
+ switch (value->expression.vtype) {
+ case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
+ case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
+ case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
+ case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
+ default:
+ crc = progdefs_crc_both(crc, "\tint\t");
+ break;
+ }
+ crc = progdefs_crc_both(crc, value->name);
+ crc = progdefs_crc_both(crc, ";\n");
+ }
+ crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
+ for (i = 0; i < parser->crc_fields; ++i) {
+ if (!ast_istype(parser->fields[i], ast_value))
+ continue;
+ value = (ast_value*)(parser->fields[i]);
+ switch (value->expression.next->expression.vtype) {
+ case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
+ case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
+ case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
+ case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
+ default:
+ crc = progdefs_crc_both(crc, "\tint\t");
+ break;
+ }
+ crc = progdefs_crc_both(crc, value->name);
+ crc = progdefs_crc_both(crc, ";\n");
+ }
+ crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
+
+ code_crc = crc;
}
static parser_t *parser;
return parser_compile();
}
-bool parser_compile_string_len(const char *name, const char *str, size_t len)
+bool parser_compile_string(const char *name, const char *str, size_t len)
{
parser->lex = lex_open_string(str, len, name);
if (!parser->lex) {
return parser_compile();
}
-bool parser_compile_string(const char *name, const char *str)
-{
- parser->lex = lex_open_string(str, strlen(str), name);
- if (!parser->lex) {
- con_err("failed to create lexer for string \"%s\"\n", name);
- return false;
- }
- return parser_compile();
-}
-
void parser_cleanup()
{
size_t i;
projects / xonotic / gmqcc.git / blobdiff