#include "gmqcc.h"
#include "lexer.h"
-#define PARSER_HT_FIELDS 0
-#define PARSER_HT_GLOBALS 1
/* beginning of locals */
#define PARSER_HT_LOCALS 2
#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;
ast_function *function;
+ /* All the labels the function defined...
+ * Should they be in ast_function instead?
+ */
+ ast_label **labels;
+ ast_goto **gotos;
+
/* A list of hashtables for each scope */
ht *variables;
ht htfields;
size_t *_blocklocals;
ast_value **_typedefs;
size_t *_blocktypedefs;
-
- size_t errors;
+ lex_ctx *_block_ctx;
/* we store the '=' operator info */
const oper_info *assign_op;
* anything else: type error
*/
qcint memberof;
+
+ /* Keep track of our ternary vs parenthesis nesting state.
+ * If we reach a 'comma' operator in a ternary without a paren,
+ * we shall trigger -Wternary-precedence.
+ */
+ enum parser_pot *pot;
+
+ /* pragma flags */
+ bool noref;
} parser_t;
+static const ast_expression *intrinsic_debug_typestring = (ast_expression*)0x10;
+
static void parser_enterblock(parser_t *parser);
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, bool is_const, ast_value *cached_typedef);
-static ast_block* parse_block(parser_t *parser, bool warnreturn);
-static bool parse_block_into(parser_t *parser, ast_block *block, bool warnreturn);
-static ast_expression* parse_statement_or_block(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, 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 bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases);
static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma);
static ast_expression* parse_expression(parser_t *parser, bool stopatcomma);
static void parseerror(parser_t *parser, const char *fmt, ...)
{
- va_list ap;
-
- parser->errors++;
-
- 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_list ap;
+ va_start(ap, fmt);
+ vcompile_error(parser->lex->tok.ctx, fmt, 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, ...)
{
- va_list ap;
- int lvl = LVL_WARNING;
-
- if (!OPTS_WARN(warntype))
- return false;
-
- if (opts_werror) {
- parser->errors++;
- lvl = LVL_ERROR;
- }
-
- va_start(ap, fmt);
- con_vprintmsg(lvl, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "warning", fmt, ap);
- va_end(ap);
-
- return opts_werror;
+ bool 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, ...)
{
- va_list ap;
- int lvl = LVL_WARNING;
-
- if (!OPTS_WARN(warntype))
- return false;
-
- if (opts_werror)
- lvl = LVL_ERROR;
-
- va_start(ap, fmt);
- con_vprintmsg(lvl, ctx.file, ctx.line, "warning", fmt, ap);
- va_end(ap);
-
- return opts_werror;
+ bool r;
+ va_list ap;
+ va_start(ap, fmt);
+ r = vcompile_warning(ctx, warntype, fmt, ap);
+ va_end(ap);
+ return r;
}
/**********************************************************************
return parser->imm_float[i];
}
out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
- out->constant = true;
+ out->cvq = CV_CONST;
out->hasvalue = true;
out->constval.vfloat = d;
vec_push(parser->imm_float, out);
{
if (str && !*str) {
/* actually dup empty strings */
- char *out = mem_a(1);
+ char *out = (char*)mem_a(1);
*out = 0;
return out;
}
out = ast_value_new(parser_ctx(parser), name, TYPE_STRING);
} else
out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
- out->constant = true;
+ out->cvq = CV_CONST;
out->hasvalue = true;
out->constval.vstring = parser_strdup(str);
vec_push(parser->imm_string, out);
return parser->imm_vector[i];
}
out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_VECTOR);
- out->constant = true;
+ out->cvq = CV_CONST;
out->hasvalue = true;
out->constval.vvec = v;
vec_push(parser->imm_vector, 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;
#define SY_PAREN_EXPR '('
#define SY_PAREN_FUNC 'f'
#define SY_PAREN_INDEX '['
+#define SY_PAREN_TERNARY '?'
static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
sy_elem e;
return true;
}
-static bool parser_sy_pop(parser_t *parser, shunt *sy)
+static bool immediate_is_true(lex_ctx ctx, ast_value *v)
+{
+ switch (v->expression.vtype) {
+ case TYPE_FLOAT:
+ return !!v->constval.vfloat;
+ case TYPE_INTEGER:
+ return !!v->constval.vint;
+ case TYPE_VECTOR:
+ if (OPTS_FLAG(CORRECT_LOGIC))
+ return v->constval.vvec.x &&
+ v->constval.vvec.y &&
+ v->constval.vvec.z;
+ else
+ return !!(v->constval.vvec.x);
+ case TYPE_STRING:
+ if (!v->constval.vstring)
+ return false;
+ if (v->constval.vstring && OPTS_FLAG(TRUE_EMPTY_STRINGS))
+ return true;
+ return !!v->constval.vstring[0];
+ default:
+ compile_error(ctx, "internal error: immediate_is_true on invalid type");
+ return !!v->constval.vfunc;
+ }
+}
+
+static bool parser_sy_apply_operator(parser_t *parser, shunt *sy)
{
const oper_info *op;
lex_ctx ctx;
ast_expression *exprs[3];
ast_block *blocks[3];
ast_value *asvalue[3];
+ ast_binstore *asbinstore;
size_t i, assignop, addop, subop;
qcint generated_op = 0;
vec_shrinkby(sy->ops, 1);
+ /* op(:?) has no input and no output */
+ if (!op->operands)
+ return true;
+
vec_shrinkby(sy->out, op->operands);
for (i = 0; i < op->operands; ++i) {
exprs[i] = sy->out[vec_size(sy->out)+i].out;
(exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
exprs[0]->expression.vtype != T)
#define CanConstFold1(A) \
- (ast_istype((A), ast_value) && ((ast_value*)(A))->hasvalue && ((ast_value*)(A))->constant)
+ (ast_istype((A), ast_value) && ((ast_value*)(A))->hasvalue && (((ast_value*)(A))->cvq == CV_CONST) &&\
+ (A)->expression.vtype != TYPE_FUNCTION)
#define CanConstFold(A, B) \
(CanConstFold1(A) && CanConstFold1(B))
#define ConstV(i) (asvalue[(i)]->constval.vvec)
out = (ast_expression*)ast_array_index_new(ctx, exprs[0], exprs[1]);
if (rotate_entfield_array_index_nodes(&out))
{
- if (opts_standard != COMPILER_GMQCC) {
+#if 0
+ /* This is not broken in fteqcc anymore */
+ if (opts.standard != COMPILER_GMQCC) {
/* this error doesn't need to make us bail out */
(void)!parsewarning(parser, WARN_EXTENSIONS,
"accessing array-field members of an entity without parenthesis\n"
" -> this is an extension from -std=gmqcc");
}
+#endif
}
break;
case opid1(','):
if (blocks[0]) {
- ast_block_add_expr(blocks[0], exprs[1]);
+ if (!ast_block_add_expr(blocks[0], exprs[1]))
+ return false;
} else {
blocks[0] = ast_block_new(ctx);
- ast_block_add_expr(blocks[0], exprs[0]);
- ast_block_add_expr(blocks[0], exprs[1]);
+ if (!ast_block_add_expr(blocks[0], exprs[0]) ||
+ !ast_block_add_expr(blocks[0], exprs[1]))
+ {
+ return false;
+ }
}
if (!ast_block_set_type(blocks[0], exprs[1]))
return false;
vec_push(sy->out, syblock(ctx, blocks[0]));
return true;
+ case opid2('+','P'):
+ out = exprs[0];
+ break;
case opid2('-','P'):
switch (exprs[0]->expression.vtype) {
case TYPE_FLOAT:
out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
break;
case TYPE_STRING:
- if (CanConstFold1(exprs[0]))
- out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
- else
- out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
+ if (CanConstFold1(exprs[0])) {
+ if (OPTS_FLAG(TRUE_EMPTY_STRINGS))
+ out = (ast_expression*)parser_const_float(parser, !ConstS(0));
+ else
+ out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
+ } else {
+ if (OPTS_FLAG(TRUE_EMPTY_STRINGS))
+ out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
+ else
+ out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
+ }
break;
/* we don't constant-fold NOT for these types */
case TYPE_ENTITY:
return false;
}
#endif
- if (opts_standard == COMPILER_GMQCC)
- con_out("TODO: early out logic\n");
if (CanConstFold(exprs[0], exprs[1]))
- out = (ast_expression*)parser_const_float(parser,
- (generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
+ {
+ if (OPTS_FLAG(PERL_LOGIC)) {
+ if (immediate_is_true(ctx, asvalue[0]))
+ out = exprs[1];
+ }
+ else
+ out = (ast_expression*)parser_const_float(parser,
+ ( (generated_op == INSTR_OR)
+ ? (immediate_is_true(ctx, asvalue[0]) || immediate_is_true(ctx, asvalue[1]))
+ : (immediate_is_true(ctx, asvalue[0]) && immediate_is_true(ctx, asvalue[1])) )
+ ? 0 : 1);
+ }
else
+ {
+ if (OPTS_FLAG(PERL_LOGIC) && !ast_compare_type(exprs[0], exprs[1])) {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[1], ty2, sizeof(ty2));
+ parseerror(parser, "invalid types for logical operation with -fperl-logic: %s and %s", ty1, ty2);
+ return false;
+ }
+ for (i = 0; i < 2; ++i) {
+ if (OPTS_FLAG(CORRECT_LOGIC) && exprs[i]->expression.vtype == TYPE_VECTOR) {
+ out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[i]);
+ if (!out) break;
+ out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, out);
+ if (!out) break;
+ exprs[i] = out; out = NULL;
+ if (OPTS_FLAG(PERL_LOGIC)) {
+ /* here we want to keep the right expressions' type */
+ break;
+ }
+ }
+ else if (OPTS_FLAG(FALSE_EMPTY_STRINGS) && exprs[i]->expression.vtype == TYPE_STRING) {
+ out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[i]);
+ if (!out) break;
+ out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, out);
+ if (!out) break;
+ exprs[i] = out; out = NULL;
+ if (OPTS_FLAG(PERL_LOGIC)) {
+ /* here we want to keep the right expressions' type */
+ break;
+ }
+ }
+ }
out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
+ }
break;
case opid2('?',':'):
+ if (vec_last(parser->pot) != POT_TERNARY2) {
+ parseerror(parser, "mismatched parenthesis/ternary");
+ return false;
+ }
+ vec_pop(parser->pot);
if (exprs[1]->expression.vtype != exprs[2]->expression.vtype) {
ast_type_to_string(exprs[1], ty1, sizeof(ty1));
ast_type_to_string(exprs[2], ty2, sizeof(ty2));
- parseerror(parser, "iperands of ternary expression must have the same type, got %s and %s", ty1, ty2);
+ parseerror(parser, "operands of ternary expression must have the same type, got %s and %s", ty1, ty2);
return false;
}
if (CanConstFold1(exprs[0]))
}
else
assignop = type_storep_instr[exprs[0]->expression.vtype];
- if (!ast_compare_type(field->expression.next, exprs[1])) {
+ if (assignop == AINSTR_END ||
+ !ast_compare_type(field->expression.next, exprs[1]))
+ {
ast_type_to_string(field->expression.next, ty1, sizeof(ty1));
ast_type_to_string(exprs[1], ty2, sizeof(ty2));
- if (opts_standard == COMPILER_QCC &&
+ if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
field->expression.next->expression.vtype == TYPE_FUNCTION &&
exprs[1]->expression.vtype == TYPE_FUNCTION)
{
- if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
- "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
- {
- parser->errors++;
- }
+ (void)!parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
+ "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
}
else
parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
else if (!ast_compare_type(exprs[0], exprs[1])) {
ast_type_to_string(exprs[0], ty1, sizeof(ty1));
ast_type_to_string(exprs[1], ty2, sizeof(ty2));
- if (opts_standard == COMPILER_QCC &&
+ if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
exprs[0]->expression.vtype == TYPE_FUNCTION &&
exprs[1]->expression.vtype == TYPE_FUNCTION)
{
- if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
- "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
- {
- parser->errors++;
- }
+ (void)!parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
+ "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
}
else
parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
}
}
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
break;
case opid3('+','+','P'):
addop = INSTR_ADD_F;
else
addop = INSTR_SUB_F;
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
if (ast_istype(exprs[0], ast_entfield)) {
out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
exprs[0],
addop = INSTR_SUB_F;
subop = INSTR_ADD_F;
}
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
if (ast_istype(exprs[0], ast_entfield)) {
out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
exprs[0],
ty1, ty2);
return false;
}
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
if (ast_istype(exprs[0], ast_entfield))
assignop = type_storep_instr[exprs[0]->expression.vtype];
else
ty1, ty2);
return false;
}
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
if (ast_istype(exprs[0], ast_entfield))
assignop = type_storep_instr[exprs[0]->expression.vtype];
else
ty1, ty2);
return false;
}
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
if (ast_istype(exprs[0], ast_entfield))
assignop = type_storep_instr[exprs[0]->expression.vtype];
else
out = (ast_expression*)ast_binary_new(ctx, INSTR_BITAND, exprs[0], exprs[1]);
if (!out)
return false;
- out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_SUB_F, exprs[0], out);
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
+ asbinstore = ast_binstore_new(ctx, assignop, INSTR_SUB_F, exprs[0], out);
+ asbinstore->keep_dest = true;
+ out = (ast_expression*)asbinstore;
break;
}
#undef NotSameType
fun = sy->out[fid].out;
+ if (fun == intrinsic_debug_typestring) {
+ char ty[1024];
+ if (fid+2 != vec_size(sy->out) ||
+ vec_last(sy->out).block)
+ {
+ parseerror(parser, "intrinsic __builtin_debug_typestring requires exactly 1 parameter");
+ return false;
+ }
+ ast_type_to_string(vec_last(sy->out).out, ty, sizeof(ty));
+ ast_unref(vec_last(sy->out).out);
+ sy->out[fid] = syexp(ast_ctx(vec_last(sy->out).out),
+ (ast_expression*)parser_const_string(parser, ty, false));
+ vec_shrinkby(sy->out, 1);
+ return true;
+ }
+
call = ast_call_new(sy->ops[vec_size(sy->ops)].ctx, fun);
if (!call) {
- parseerror(parser, "out of memory");
+ parseerror(parser, "internal error: failed to create ast_call node");
return false;
}
params->exprs = NULL;
ast_delete(params);
}
- if (!ast_call_check_types(call))
- parser->errors++;
+ (void)!ast_call_check_types(call);
} else {
parseerror(parser, "invalid function call");
return false;
return false;
} else {
if (vec_size(fun->expression.params) != paramcount &&
- !(fun->expression.variadic &&
+ !((fun->expression.flags & AST_FLAG_VARIADIC) &&
vec_size(fun->expression.params) < paramcount))
{
ast_value *fval;
const char *fewmany = (vec_size(fun->expression.params) > paramcount) ? "few" : "many";
fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
- if (opts_standard == COMPILER_GMQCC)
+ if (opts.standard == COMPILER_GMQCC)
{
if (fval)
parseerror(parser, "too %s parameters for call to %s: expected %i, got %i\n"
fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
else
parseerror(parser, "too %s parameters for function call: expected %i, got %i\n"
- " -> `%s` has been declared here: %s:%i",
- fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
- fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
+ " -> it has been declared here: %s:%i",
+ fewmany, (int)vec_size(fun->expression.params), (int)paramcount,
+ ast_ctx(fun).file, (int)ast_ctx(fun).line);
return false;
}
else
else
return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
"too %s parameters for function call: expected %i, got %i\n"
- " -> `%s` has been declared here: %s:%i",
- fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
- fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
+ " -> it has been declared here: %s:%i",
+ fewmany, (int)vec_size(fun->expression.params), (int)paramcount,
+ ast_ctx(fun).file, (int)ast_ctx(fun).line);
}
}
}
/* pop off the parenthesis */
vec_shrinkby(sy->ops, 1);
/* then apply the index operator */
- if (!parser_sy_pop(parser, sy))
+ if (!parser_sy_apply_operator(parser, sy))
+ return false;
+ return true;
+ }
+ if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_TERNARY) {
+ if (functions_only)
return false;
+ if (vec_last(parser->pot) != POT_TERNARY1) {
+ parseerror(parser, "mismatched colon in ternary expression (missing closing paren?)");
+ return false;
+ }
+ vec_last(parser->pot) = POT_TERNARY2;
+ /* pop off the parenthesis */
+ vec_shrinkby(sy->ops, 1);
return true;
}
- if (!parser_sy_pop(parser, sy))
+ if (!parser_sy_apply_operator(parser, sy))
return false;
}
return 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;
/* variable */
- if (opts_standard == COMPILER_GMQCC)
+ if (opts.standard == COMPILER_GMQCC)
{
if (parser->memberof == TYPE_ENTITY) {
/* still get vars first since there could be a fieldpointer */
var = parser_find_field(parser, parser_tokval(parser));
}
if (!var) {
- parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
- goto onerr;
+ /* intrinsics */
+ if (!strcmp(parser_tokval(parser), "__builtin_debug_typestring")) {
+ var = (ast_expression*)intrinsic_debug_typestring;
+
+ }
+ else
+ {
+ parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
+ goto onerr;
+ }
+ }
+ else
+ {
+ if (ast_istype(var, ast_value)) {
+ ((ast_value*)var)->uses++;
+ }
+ else if (ast_istype(var, ast_member)) {
+ ast_member *mem = (ast_member*)var;
+ if (ast_istype(mem->owner, ast_value))
+ ((ast_value*)(mem->owner))->uses++;
+ }
}
- if (ast_istype(var, ast_value))
- ((ast_value*)var)->uses++;
vec_push(sy.out, syexp(parser_ctx(parser), var));
DEBUGSHUNTDO(con_out("push %s\n", parser_tokval(parser)));
}
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));
}
- else if (parser->tok == TOKEN_INTCONST) {
+ else if (parser->tok == TOKEN_INTCONST || parser->tok == TOKEN_CHARCONST) {
ast_value *val;
if (wantop) {
parseerror(parser, "expected operator or end of statement, got constant");
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,
/* closing an opening paren */
if (!parser_close_paren(parser, &sy, false))
goto onerr;
+ if (vec_last(parser->pot) != POT_PAREN) {
+ parseerror(parser, "mismatched parentheses (closing paren during ternary expression?)");
+ goto onerr;
+ }
+ vec_pop(parser->pot);
} else {
DEBUGSHUNTDO(con_out("do[nop] )\n"));
--parens;
/* allowed for function calls */
if (!parser_close_paren(parser, &sy, true))
goto onerr;
+ if (vec_last(parser->pot) != POT_PAREN) {
+ parseerror(parser, "mismatched parentheses (closing paren during ternary expression?)");
+ goto onerr;
+ }
+ vec_pop(parser->pot);
}
wantop = true;
}
break;
if (!parser_close_paren(parser, &sy, false))
goto onerr;
+ if (vec_last(parser->pot) != POT_PAREN) {
+ parseerror(parser, "mismatched parentheses (closing paren during ternary expression?)");
+ goto onerr;
+ }
+ vec_pop(parser->pot);
wantop = true;
}
+ else if (parser->tok == TOKEN_TYPENAME) {
+ parseerror(parser, "unexpected typename");
+ goto onerr;
+ }
else if (parser->tok != TOKEN_OPERATOR) {
if (wantop) {
parseerror(parser, "expected operator or end of statement");
break;
}
+ if (op->id == opid1(',')) {
+ if (vec_size(parser->pot) && vec_last(parser->pot) == POT_TERNARY2) {
+ (void)!parsewarning(parser, WARN_TERNARY_PRECEDENCE, "suggesting parenthesis around ternary expression");
+ }
+ }
+
if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
olast = &operators[vec_last(sy.ops).etype-1];
(op->prec < olast->prec) ||
(op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
{
- if (!parser_sy_pop(parser, &sy))
+ if (!parser_sy_apply_operator(parser, &sy))
goto onerr;
if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
olast = &operators[vec_last(sy.ops).etype-1];
olast = NULL;
}
- if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
+ if (op->id == opid1('.') && opts.standard == COMPILER_GMQCC) {
/* for gmqcc standard: open up the namespace of the previous type */
ast_expression *prevex = vec_last(sy.out).out;
if (!prevex) {
if (wantop) {
size_t sycount = vec_size(sy.out);
DEBUGSHUNTDO(con_out("push [op] (\n"));
- ++parens;
+ ++parens; vec_push(parser->pot, POT_PAREN);
/* we expected an operator, this is the function-call operator */
vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_FUNC, sycount-1));
} else {
- ++parens;
+ ++parens; vec_push(parser->pot, POT_PAREN);
vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_EXPR, 0));
DEBUGSHUNTDO(con_out("push [nop] (\n"));
}
parseerror(parser, "unexpected array subscript");
goto onerr;
}
- ++parens;
+ ++parens; vec_push(parser->pot, POT_PAREN);
/* push both the operator and the paren, this makes life easier */
vec_push(sy.ops, syop(parser_ctx(parser), op));
vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_INDEX, 0));
wantop = false;
} else if (op->id == opid2('?',':')) {
- wantop = false;
vec_push(sy.ops, syop(parser_ctx(parser), op));
+ vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_TERNARY, 0));
wantop = false;
- --ternaries;
+ ++ternaries;
+ vec_push(parser->pot, POT_TERNARY1);
} else if (op->id == opid2(':','?')) {
- /* we don't push this operator */
+ if (!vec_size(parser->pot)) {
+ parseerror(parser, "unexpected colon outside ternary expression (missing parenthesis?)");
+ goto onerr;
+ }
+ if (vec_last(parser->pot) != POT_TERNARY1) {
+ parseerror(parser, "unexpected colon outside ternary expression (missing parenthesis?)");
+ goto onerr;
+ }
+ if (!parser_close_paren(parser, &sy, false))
+ goto onerr;
+ vec_push(sy.ops, syop(parser_ctx(parser), op));
wantop = false;
- ++ternaries;
+ --ternaries;
} else {
DEBUGSHUNTDO(con_out("push operator %s\n", op->op));
vec_push(sy.ops, syop(parser_ctx(parser), op));
}
while (vec_size(sy.ops)) {
- if (!parser_sy_pop(parser, &sy))
+ if (!parser_sy_apply_operator(parser, &sy))
goto onerr;
}
vec_free(sy.out);
vec_free(sy.ops);
DEBUGSHUNTDO(con_out("shunt done\n"));
+ if (vec_size(parser->pot)) {
+ parseerror(parser, "internal error: vec_size(parser->pot) = %lu", (unsigned long)vec_size(parser->pot));
+ return NULL;
+ }
+ vec_free(parser->pot);
return expr;
onerr:
vec_push(parser->_blocklocals, vec_size(parser->_locals));
vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
vec_push(parser->_blocktypedefs, vec_size(parser->_typedefs));
+ vec_push(parser->_block_ctx, parser_ctx(parser));
}
static bool parser_leaveblock(parser_t *parser)
ast_value *v = (ast_value*)e;
vec_pop(parser->_locals);
if (ast_istype(e, ast_value) && !v->uses) {
- if (parsewarning(parser, WARN_UNUSED_VARIABLE, "unused variable: `%s`", v->name))
+ if (compile_warning(ast_ctx(v), WARN_UNUSED_VARIABLE, "unused variable: `%s`", v->name))
rv = false;
}
}
util_htdel(vec_last(parser->typedefs));
vec_pop(parser->typedefs);
+ vec_pop(parser->_block_ctx);
return rv;
}
util_htset(vec_last(parser->variables), name, (void*)e);
}
+static ast_expression* process_condition(parser_t *parser, ast_expression *cond, bool *_ifnot)
+{
+ bool ifnot = false;
+ ast_unary *unary;
+ ast_expression *prev;
+
+ if (OPTS_FLAG(FALSE_EMPTY_STRINGS) && cond->expression.vtype == TYPE_STRING)
+ {
+ prev = cond;
+ cond = (ast_expression*)ast_unary_new(ast_ctx(cond), INSTR_NOT_S, cond);
+ if (!cond) {
+ ast_unref(prev);
+ parseerror(parser, "internal error: failed to process condition");
+ return NULL;
+ }
+ ifnot = !ifnot;
+ }
+ else if (OPTS_FLAG(CORRECT_LOGIC) && cond->expression.vtype == TYPE_VECTOR)
+ {
+ /* vector types need to be cast to true booleans */
+ ast_binary *bin = (ast_binary*)cond;
+ if (!OPTS_FLAG(PERL_LOGIC) || !ast_istype(cond, ast_binary) || !(bin->op == INSTR_AND || bin->op == INSTR_OR))
+ {
+ /* in perl-logic, AND and OR take care of the -fcorrect-logic */
+ prev = cond;
+ cond = (ast_expression*)ast_unary_new(ast_ctx(cond), INSTR_NOT_V, cond);
+ if (!cond) {
+ ast_unref(prev);
+ parseerror(parser, "internal error: failed to process condition");
+ return NULL;
+ }
+ ifnot = !ifnot;
+ }
+ }
+
+ unary = (ast_unary*)cond;
+ while (ast_istype(cond, ast_unary) && unary->op == INSTR_NOT_F)
+ {
+ cond = unary->operand;
+ unary->operand = NULL;
+ ast_delete(unary);
+ ifnot = !ifnot;
+ unary = (ast_unary*)cond;
+ }
+
+ if (!cond)
+ parseerror(parser, "internal error: failed to process condition");
+
+ if (ifnot) *_ifnot = !*_ifnot;
+ return cond;
+}
+
static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
{
ast_ifthen *ifthen;
- ast_expression *cond, *ontrue, *onfalse = NULL;
+ ast_expression *cond, *ontrue = NULL, *onfalse = NULL;
bool ifnot = false;
lex_ctx ctx = parser_ctx(parser);
ast_delete(cond);
return false;
}
- ontrue = parse_statement_or_block(parser);
- if (!ontrue) {
+ if (!parse_statement_or_block(parser, &ontrue)) {
ast_delete(cond);
return false;
}
ast_delete(cond);
return false;
}
- onfalse = parse_statement_or_block(parser);
- if (!onfalse) {
+ if (!parse_statement_or_block(parser, &onfalse)) {
ast_delete(ontrue);
ast_delete(cond);
return false;
}
}
+ cond = process_condition(parser, cond, &ifnot);
+ if (!cond) {
+ if (ontrue) ast_delete(ontrue);
+ if (onfalse) ast_delete(onfalse);
+ return false;
+ }
+
if (ifnot)
ifthen = ast_ifthen_new(ctx, cond, onfalse, ontrue);
else
ast_loop *aloop;
ast_expression *cond, *ontrue;
+ bool ifnot = false;
+
lex_ctx ctx = parser_ctx(parser);
(void)block; /* not touching */
ast_delete(cond);
return false;
}
- ontrue = parse_statement_or_block(parser);
- if (!ontrue) {
+ if (!parse_statement_or_block(parser, &ontrue)) {
ast_delete(cond);
return false;
}
- aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
+ cond = process_condition(parser, cond, &ifnot);
+ if (!cond) {
+ ast_delete(ontrue);
+ return false;
+ }
+ aloop = ast_loop_new(ctx, NULL, cond, ifnot, NULL, false, NULL, ontrue);
*out = (ast_expression*)aloop;
return true;
}
ast_loop *aloop;
ast_expression *cond, *ontrue;
+ bool ifnot = false;
+
lex_ctx ctx = parser_ctx(parser);
(void)block; /* not touching */
parseerror(parser, "expected loop body");
return false;
}
- ontrue = parse_statement_or_block(parser);
- if (!ontrue)
+ if (!parse_statement_or_block(parser, &ontrue))
return false;
/* expect the "while" */
return false;
}
- aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
+ cond = process_condition(parser, cond, &ifnot);
+ if (!cond) {
+ ast_delete(ontrue);
+ return false;
+ }
+ aloop = ast_loop_new(ctx, NULL, NULL, false, cond, ifnot, NULL, ontrue);
*out = (ast_expression*)aloop;
return true;
}
ast_loop *aloop;
ast_expression *initexpr, *cond, *increment, *ontrue;
ast_value *typevar;
- bool retval = true;
+
+ bool retval = true;
+ bool ifnot = false;
lex_ctx ctx = parser_ctx(parser);
typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
if (typevar || parser->tok == TOKEN_TYPENAME) {
- if (opts_standard != COMPILER_GMQCC) {
+ if (opts.standard != COMPILER_GMQCC) {
if (parsewarning(parser, WARN_EXTENSIONS,
"current standard does not allow variable declarations in for-loop initializers"))
goto onerr;
}
-
- parseerror(parser, "TODO: assignment of new variables to be non-const");
- goto onerr;
- if (!parse_variable(parser, block, true, false, typevar))
+ if (!parse_variable(parser, block, true, CV_VAR, typevar, false, false, false))
goto onerr;
}
else if (parser->tok != ';')
parseerror(parser, "expected for-loop body");
goto onerr;
}
- ontrue = parse_statement_or_block(parser);
- if (!ontrue) {
+ if (!parse_statement_or_block(parser, &ontrue))
goto onerr;
- }
- aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
+ if (cond) {
+ cond = process_condition(parser, cond, &ifnot);
+ if (!cond)
+ goto onerr;
+ }
+ aloop = ast_loop_new(ctx, initexpr, cond, ifnot, NULL, false, increment, ontrue);
*out = (ast_expression*)aloop;
if (!parser_leaveblock(parser))
ast_return *ret = NULL;
ast_value *expected = parser->function->vtype;
+ lex_ctx ctx = parser_ctx(parser);
+
(void)block; /* not touching */
if (!parser_next(parser)) {
parseerror(parser, "return with invalid expression");
}
- ret = ast_return_new(exp->expression.node.context, exp);
+ ret = ast_return_new(ctx, exp);
if (!ret) {
ast_delete(exp);
return false;
if (!parser_next(parser))
parseerror(parser, "parse error");
if (expected->expression.next->expression.vtype != TYPE_VOID) {
- if (opts_standard != COMPILER_GMQCC)
+ if (opts.standard != COMPILER_GMQCC)
(void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
else
parseerror(parser, "return without value");
}
- ret = ast_return_new(parser_ctx(parser), NULL);
+ ret = ast_return_new(ctx, NULL);
}
*out = (ast_expression*)ret;
return true;
return true;
}
+/* 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, bool *is_static)
+{
+ 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_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;
+ }
+ }
+ else if (!strcmp(parser_tokval(parser), "noref")) {
+ 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 (with_local && !strcmp(parser_tokval(parser), "local"))
+ had_var = true;
+ else if (!strcmp(parser_tokval(parser), "noref"))
+ had_noref = true;
+ else if (!had_const && !had_var && !had_noref && !had_noreturn && !had_attrib && !had_static) {
+ return false;
+ }
+ else
+ break;
+ if (!parser_next(parser))
+ goto onerr;
+ }
+ if (had_const)
+ *cvq = CV_CONST;
+ else if (had_var)
+ *cvq = CV_VAR;
+ else
+ *cvq = CV_NONE;
+ *noref = had_noref;
+ *noreturn = had_noreturn;
+ *is_static = had_static;
+ return true;
+onerr:
+ parseerror(parser, "parse error after variable qualifier");
+ *cvq = CV_WRONG;
+ return true;
+}
+
static bool parse_switch(parser_t *parser, ast_block *block, ast_expression **out)
{
ast_expression *operand;
ast_value *opval;
+ ast_value *typevar;
ast_switch *switchnode;
ast_switch_case swcase;
+ int cvq;
+ bool noref, noreturn, is_static;
+
lex_ctx ctx = parser_ctx(parser);
(void)block; /* not touching */
+ (void)opval;
/* parse over the opening paren */
if (!parser_next(parser) || parser->tok != '(') {
if (!operand)
return false;
- if (!OPTS_FLAG(RELAXED_SWITCH)) {
- opval = (ast_value*)operand;
- if (!ast_istype(operand, ast_value) || !opval->constant) {
- parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
- ast_unref(operand);
- return false;
- }
- }
-
switchnode = ast_switch_new(ctx, operand);
/* closing paren */
return false;
}
+ /* new block; allow some variables to be declared here */
+ parser_enterblock(parser);
+ while (true) {
+ typevar = NULL;
+ 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, false)) {
+ ast_delete(switchnode);
+ return false;
+ }
+ continue;
+ }
+ 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, is_static)) {
+ ast_delete(switchnode);
+ return false;
+ }
+ continue;
+ }
+ break;
+ }
+
/* case list! */
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);
parseerror(parser, "expected expression for case");
return false;
}
+ if (!OPTS_FLAG(RELAXED_SWITCH)) {
+ if (!ast_istype(swcase.value, ast_value)) { /* || ((ast_value*)swcase.value)->cvq != CV_CONST) { */
+ parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
+ ast_unref(operand);
+ return false;
+ }
+ }
}
else if (!strcmp(parser_tokval(parser), "default")) {
swcase.value = NULL;
return false;
}
}
+ else {
+ ast_delete(switchnode);
+ parseerror(parser, "expected 'case' or 'default'");
+ return false;
+ }
/* Now the colon and body */
if (parser->tok != ':') {
}
if (!expr)
continue;
- ast_block_add_expr(caseblock, expr);
+ if (!ast_block_add_expr(caseblock, expr)) {
+ ast_delete(switchnode);
+ return false;
+ }
}
}
+ parser_leaveblock(parser);
+
/* closing paren */
if (parser->tok != '}') {
ast_delete(switchnode);
return true;
}
-static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
+static bool parse_goto(parser_t *parser, ast_expression **out)
{
- ast_value *typevar = NULL;
- if (parser->tok == TOKEN_IDENT)
- typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
+ size_t i;
+ ast_goto *gt;
+
+ if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
+ parseerror(parser, "expected label name after `goto`");
+ return false;
+ }
+
+ gt = ast_goto_new(parser_ctx(parser), parser_tokval(parser));
+
+ for (i = 0; i < vec_size(parser->labels); ++i) {
+ if (!strcmp(parser->labels[i]->name, parser_tokval(parser))) {
+ ast_goto_set_label(gt, parser->labels[i]);
+ break;
+ }
+ }
+ if (i == vec_size(parser->labels))
+ vec_push(parser->gotos, gt);
+
+ if (!parser_next(parser) || parser->tok != ';') {
+ parseerror(parser, "semicolon expected after goto label");
+ return false;
+ }
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after goto");
+ return false;
+ }
+
+ *out = (ast_expression*)gt;
+ return true;
+}
+
+static bool parse_skipwhite(parser_t *parser)
+{
+ do {
+ if (!parser_next(parser))
+ return false;
+ } while (parser->tok == TOKEN_WHITE && parser->tok < TOKEN_ERROR);
+ return parser->tok < TOKEN_ERROR;
+}
+
+static bool parse_eol(parser_t *parser)
+{
+ if (!parse_skipwhite(parser))
+ return false;
+ return parser->tok == TOKEN_EOL;
+}
+
+static bool parse_pragma_do(parser_t *parser)
+{
+ if (!parser_next(parser) ||
+ parser->tok != TOKEN_IDENT ||
+ strcmp(parser_tokval(parser), "pragma"))
+ {
+ parseerror(parser, "expected `pragma` keyword after `#`, got `%s`", parser_tokval(parser));
+ return false;
+ }
+ if (!parse_skipwhite(parser) || parser->tok != TOKEN_IDENT) {
+ parseerror(parser, "expected pragma, got `%s`", parser_tokval(parser));
+ return false;
+ }
+
+ if (!strcmp(parser_tokval(parser), "noref")) {
+ if (!parse_skipwhite(parser) || parser->tok != TOKEN_INTCONST) {
+ parseerror(parser, "`noref` pragma requires an argument: 0 or 1");
+ return false;
+ }
+ parser->noref = !!parser_token(parser)->constval.i;
+ if (!parse_eol(parser)) {
+ parseerror(parser, "parse error after `noref` pragma");
+ return false;
+ }
+ }
+ else
+ {
+ (void)!parsewarning(parser, WARN_UNKNOWN_PRAGMAS, "ignoring #pragma %s", parser_tokval(parser));
+ return false;
+ }
+
+ return true;
+}
+
+static bool parse_pragma(parser_t *parser)
+{
+ bool rv;
+ parser->lex->flags.preprocessing = true;
+ parser->lex->flags.mergelines = true;
+ rv = parse_pragma_do(parser);
+ if (parser->tok != TOKEN_EOL) {
+ parseerror(parser, "junk after pragma");
+ rv = false;
+ }
+ parser->lex->flags.preprocessing = false;
+ parser->lex->flags.mergelines = false;
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after pragma");
+ rv = false;
+ }
+ return rv;
+}
+
+static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
+{
+ bool noref, noreturn, is_static;
+ int cvq = CV_NONE;
+ ast_value *typevar = NULL;
+
+ *out = NULL;
+
+ if (parser->tok == TOKEN_IDENT)
+ typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
if (typevar || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
{
parseerror(parser, "cannot declare a variable from here");
return false;
}
- if (opts_standard == COMPILER_QCC) {
+ if (opts.standard == COMPILER_QCC) {
if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
return false;
}
- if (!parse_variable(parser, block, false, false, typevar))
+ if (!parse_variable(parser, block, false, CV_NONE, typevar, false, false, false))
return false;
- *out = NULL;
return true;
}
+ 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, is_static);
+ }
else if (parser->tok == TOKEN_KEYWORD)
{
- if (!strcmp(parser_tokval(parser), "local"))
+ if (!strcmp(parser_tokval(parser), "__builtin_debug_printtype"))
{
- if (!block) {
- parseerror(parser, "cannot declare a local variable here");
- return false;
- }
+ char ty[1024];
+ ast_value *tdef;
+
if (!parser_next(parser)) {
- parseerror(parser, "expected variable declaration");
+ parseerror(parser, "parse error after __builtin_debug_printtype");
return false;
}
- if (!parse_variable(parser, block, true, false, NULL))
- return false;
- *out = NULL;
+
+ if (parser->tok == TOKEN_IDENT && (tdef = parser_find_typedef(parser, parser_tokval(parser), 0)))
+ {
+ ast_type_to_string((ast_expression*)tdef, ty, sizeof(ty));
+ con_out("__builtin_debug_printtype: `%s`=`%s`\n", tdef->name, ty);
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after __builtin_debug_printtype typename argument");
+ return false;
+ }
+ }
+ else
+ {
+ if (!parse_statement(parser, block, out, allow_cases))
+ return false;
+ if (!*out)
+ con_out("__builtin_debug_printtype: got no output node\n");
+ else
+ {
+ ast_type_to_string(*out, ty, sizeof(ty));
+ con_out("__builtin_debug_printtype: `%s`\n", ty);
+ }
+ }
return true;
}
else if (!strcmp(parser_tokval(parser), "return"))
}
else if (!strcmp(parser_tokval(parser), "for"))
{
- if (opts_standard == COMPILER_QCC) {
+ if (opts.standard == COMPILER_QCC) {
if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
return false;
}
}
return true;
}
+ else if (!strcmp(parser_tokval(parser), "goto"))
+ {
+ return parse_goto(parser, out);
+ }
else if (!strcmp(parser_tokval(parser), "typedef"))
{
if (!parser_next(parser)) {
else if (parser->tok == '{')
{
ast_block *inner;
- inner = parse_block(parser, false);
+ inner = parse_block(parser);
if (!inner)
return false;
*out = (ast_expression*)inner;
return true;
}
+ else if (parser->tok == ':')
+ {
+ size_t i;
+ ast_label *label;
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected label name");
+ return false;
+ }
+ if (parser->tok != TOKEN_IDENT) {
+ parseerror(parser, "label must be an identifier");
+ return false;
+ }
+ label = ast_label_new(parser_ctx(parser), parser_tokval(parser));
+ if (!label)
+ return false;
+ vec_push(parser->labels, label);
+ *out = (ast_expression*)label;
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after label");
+ return false;
+ }
+ for (i = 0; i < vec_size(parser->gotos); ++i) {
+ if (!strcmp(parser->gotos[i]->name, label->name)) {
+ ast_goto_set_label(parser->gotos[i], label);
+ vec_remove(parser->gotos, i, 1);
+ --i;
+ }
+ }
+ return true;
+ }
+ else if (parser->tok == ';')
+ {
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after empty statement");
+ return false;
+ }
+ return true;
+ }
else
{
ast_expression *exp = parse_expression(parser, false);
}
}
-static bool parse_block_into(parser_t *parser, ast_block *block, bool warnreturn)
+static bool parse_block_into(parser_t *parser, ast_block *block)
{
bool retval = true;
}
if (!expr)
continue;
- ast_block_add_expr(block, expr);
+ if (!ast_block_add_expr(block, expr)) {
+ ast_delete(block);
+ block = NULL;
+ goto cleanup;
+ }
}
if (parser->tok != '}') {
block = NULL;
} else {
- if (warnreturn && parser->function->vtype->expression.next->expression.vtype != TYPE_VOID)
- {
- if (!vec_size(block->exprs) ||
- !ast_istype(vec_last(block->exprs), ast_return))
- {
- if (parsewarning(parser, WARN_MISSING_RETURN_VALUES, "control reaches end of non-void function")) {
- block = NULL;
- goto cleanup;
- }
- }
- }
(void)parser_next(parser);
}
return retval && !!block;
}
-static ast_block* parse_block(parser_t *parser, bool warnreturn)
+static ast_block* parse_block(parser_t *parser)
{
ast_block *block;
block = ast_block_new(parser_ctx(parser));
if (!block)
return NULL;
- if (!parse_block_into(parser, block, warnreturn)) {
+ if (!parse_block_into(parser, block)) {
ast_block_delete(block);
return NULL;
}
return block;
}
-static ast_expression* parse_statement_or_block(parser_t *parser)
+static bool parse_statement_or_block(parser_t *parser, ast_expression **out)
{
- ast_expression *expr = NULL;
- if (parser->tok == '{')
- return (ast_expression*)parse_block(parser, false);
- if (!parse_statement(parser, NULL, &expr, false))
- return NULL;
- return expr;
+ if (parser->tok == '{') {
+ *out = (ast_expression*)parse_block(parser);
+ return !!*out;
+ }
+ return parse_statement(parser, NULL, out, false);
}
static bool create_vector_members(ast_value *var, ast_member **me)
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;
has_frame_think = false;
old = parser->function;
- if (var->expression.variadic) {
+ if (vec_size(parser->gotos) || vec_size(parser->labels)) {
+ parseerror(parser, "gotos/labels leaking");
+ return false;
+ }
+
+ if (var->expression.flags & AST_FLAG_VARIADIC) {
if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
"variadic function with implementation will not be able to access additional parameters"))
{
if (store_think) ast_delete(store_think);
retval = false;
}
- ast_block_add_expr(block, (ast_expression*)store_frame);
- ast_block_add_expr(block, (ast_expression*)store_nextthink);
- ast_block_add_expr(block, (ast_expression*)store_think);
+ if (!ast_block_add_expr(block, (ast_expression*)store_frame) ||
+ !ast_block_add_expr(block, (ast_expression*)store_nextthink) ||
+ !ast_block_add_expr(block, (ast_expression*)store_think))
+ {
+ retval = false;
+ }
}
if (!retval) {
vec_push(parser->functions, func);
parser->function = func;
- if (!parse_block_into(parser, block, true)) {
+ if (!parse_block_into(parser, block)) {
ast_block_delete(block);
goto enderrfn;
}
if (parser->tok == ';')
return parser_next(parser);
- else if (opts_standard == COMPILER_QCC)
+ else if (opts.standard == COMPILER_QCC)
parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
return retval;
return NULL;
}
- ast_block_add_expr(block, (ast_expression*)st);
+ if (!ast_block_add_expr(block, (ast_expression*)st)) {
+ ast_delete(block);
+ return NULL;
+ }
ret = ast_return_new(ctx, NULL);
if (!ret) {
return NULL;
}
- ast_block_add_expr(block, (ast_expression*)ret);
+ if (!ast_block_add_expr(block, (ast_expression*)ret)) {
+ ast_delete(block);
+ return NULL;
+ }
return (ast_expression*)block;
} else {
return NULL;
}
- ast_block_add_expr(block, (ast_expression*)st);
+ if (!ast_block_add_expr(block, (ast_expression*)st)) {
+ ast_delete(block);
+ return NULL;
+ }
ret = ast_return_new(ctx, NULL);
if (!ret) {
return NULL;
}
- ast_block_add_expr(block, (ast_expression*)ret);
+ if (!ast_block_add_expr(block, (ast_expression*)ret)) {
+ ast_delete(block);
+ return NULL;
+ }
return (ast_expression*)block;
} else {
goto cleanup;
}
- ast_block_add_expr(func->blocks[0], root);
array->setter = fval;
- return true;
+ return ast_block_add_expr(func->blocks[0], root);
cleanup:
if (index) ast_delete(index);
if (value) ast_delete(value);
goto cleanup;
}
- ast_block_add_expr(func->blocks[0], root);
array->setter = fval;
- return true;
+ return ast_block_add_expr(func->blocks[0], root);
cleanup:
if (entity) ast_delete(entity);
if (index) ast_delete(index);
goto cleanup;
}
- ast_block_add_expr(func->blocks[0], root);
array->getter = fval;
- return true;
+ return ast_block_add_expr(func->blocks[0], root);
cleanup:
if (index) ast_delete(index);
if (root) ast_delete(root);
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;
}
}
}
+ if (vec_size(params) == 1 && params[0]->expression.vtype == TYPE_VOID)
+ vec_free(params);
+
/* sanity check */
- if (vec_size(params) > 8 && opts_standard == COMPILER_QCC)
+ if (vec_size(params) > 8 && opts.standard == COMPILER_QCC)
(void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
/* parse-out */
/* now turn 'var' into a function type */
fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
fval->expression.next = (ast_expression*)var;
- fval->expression.variadic = variadic;
+ if (variadic)
+ fval->expression.flags |= AST_FLAG_VARIADIC;
var = fval;
var->expression.params = params;
return NULL;
}
}
-
- if (parser->tok == TOKEN_IDENT)
- cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
- if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
- parseerror(parser, "expected typename");
- return NULL;
- }
+ }
+ if (parser->tok == TOKEN_IDENT)
+ cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
+ if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
+ parseerror(parser, "expected typename");
+ return NULL;
}
/* generate the basic type value */
}
/* now there may be function parens again */
- if (parser->tok == '(' && opts_standard == COMPILER_QCC)
+ if (parser->tok == '(' && opts.standard == COMPILER_QCC)
parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
if (parser->tok == '(' && wasarray)
parseerror(parser, "arrays as part of a return type is not supported");
return true;
}
-static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, bool is_const, ast_value *cached_typedef)
+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) {
/* Part 0: finish the type */
if (parser->tok == '(') {
- if (opts_standard == COMPILER_QCC)
+ if (opts.standard == COMPILER_QCC)
parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
var = parse_parameter_list(parser, var);
if (!var) {
}
/* for functions returning functions */
while (parser->tok == '(') {
- if (opts_standard == COMPILER_QCC)
+ if (opts.standard == COMPILER_QCC)
parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
var = parse_parameter_list(parser, var);
if (!var) {
}
}
- if (is_const)
- var->constant = true;
+ var->cvq = qualifier;
+ /* in a noref section we simply bump the usecount */
+ if (noref || parser->noref)
+ var->uses++;
+ if (noreturn)
+ var->expression.flags |= AST_FLAG_NORETURN;
/* Part 1:
* check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
/* Deal with end_sys_ vars */
was_end = false;
if (!strcmp(var->name, "end_sys_globals")) {
+ var->uses++;
parser->crc_globals = vec_size(parser->globals);
was_end = true;
}
else if (!strcmp(var->name, "end_sys_fields")) {
+ var->uses++;
parser->crc_fields = vec_size(parser->fields);
was_end = true;
}
goto cleanup;
*/
}
- if (opts_standard == COMPILER_QCC &&
+ if (opts.standard == COMPILER_QCC &&
(old = parser_find_global(parser, var->name)))
{
parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
{
/* other globals */
if (old) {
- if (opts_standard == COMPILER_GMQCC) {
+ if (opts.standard == COMPILER_GMQCC) {
parseerror(parser, "global `%s` already declared here: %s:%i",
var->name, ast_ctx(old).file, ast_ctx(old).line);
retval = false;
retval = false;
goto cleanup;
}
+ proto = (ast_value*)old;
+ if (!ast_istype(old, ast_value)) {
+ parseerror(parser, "internal error: not an ast_value");
+ retval = false;
+ proto = NULL;
+ goto cleanup;
+ }
+ ast_delete(var);
+ var = proto;
}
}
- if (opts_standard == COMPILER_QCC &&
+ if (opts.standard == COMPILER_QCC &&
(old = parser_find_field(parser, var->name)))
{
parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
retval = false;
goto cleanup;
}
- if (opts_standard != COMPILER_GMQCC) {
+ if (opts.standard != COMPILER_GMQCC) {
ast_delete(var);
var = NULL;
goto skipvar;
if (!localblock) {
/* deal with global variables, fields, functions */
- if (!nofields && var->expression.vtype == TYPE_FIELD) {
+ if (!nofields && var->expression.vtype == TYPE_FIELD && parser->tok != '=') {
+ var->isfield = true;
vec_push(parser->fields, (ast_expression*)var);
util_htset(parser->htfields, var->name, var);
if (isvector) {
}
}
} 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;
if (parser->tok == ',')
goto another;
+ /*
if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
+ */
+ if (!var) {
parseerror(parser, "missing comma or semicolon while parsing variables");
break;
}
- if (localblock && opts_standard == COMPILER_QCC) {
+ if (localblock && opts.standard == COMPILER_QCC) {
if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
"initializing expression turns variable `%s` into a constant in this standard",
var->name) )
break;
}
}
- else if (opts_standard == COMPILER_QCC) {
+ else if (opts.standard == COMPILER_QCC) {
parseerror(parser, "expected '=' before function body in this standard");
}
parseerror(parser, "builtin number must be an integer constant");
break;
}
- if (parser_token(parser)->constval.i <= 0) {
+ if (parser_token(parser)->constval.i < 0) {
parseerror(parser, "builtin number must be an integer greater than zero");
break;
}
}
vec_push(parser->functions, func);
- func->builtin = -parser_token(parser)->constval.i;
+ func->builtin = -parser_token(parser)->constval.i-1;
}
if (!parser_next(parser)) {
break;
}
+ if (proto)
+ ast_ctx(proto) = parser_ctx(parser);
+
if (!parse_function_body(parser, var))
break;
ast_delete(basetype);
+ for (i = 0; i < vec_size(parser->gotos); ++i)
+ parseerror(parser, "undefined label: `%s`", parser->gotos[i]->name);
+ vec_free(parser->gotos);
+ vec_free(parser->labels);
return true;
} else {
ast_expression *cexp;
if (!localblock) {
cval = (ast_value*)cexp;
- if (!ast_istype(cval, ast_value) || !cval->hasvalue)
+ if (!ast_istype(cval, ast_value) || ((!cval->hasvalue || cval->cvq != CV_CONST) && !cval->isfield))
parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
else
{
- if (opts_standard != COMPILER_GMQCC && !OPTS_FLAG(INITIALIZED_NONCONSTANTS))
- var->constant = true;
+ if (opts.standard != COMPILER_GMQCC &&
+ !OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
+ qualifier != CV_VAR)
+ {
+ var->cvq = CV_CONST;
+ }
var->hasvalue = true;
if (cval->expression.vtype == TYPE_STRING)
var->constval.vstring = parser_strdup(cval->constval.vstring);
+ else if (cval->expression.vtype == TYPE_FIELD)
+ var->constval.vfield = cval;
else
memcpy(&var->constval, &cval->constval, sizeof(var->constval));
ast_unref(cval);
}
} else {
+ bool cvq;
shunt sy = { NULL, NULL };
+ cvq = var->cvq;
+ var->cvq = CV_NONE;
vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
- if (!parser_sy_pop(parser, &sy))
+ if (!parser_sy_apply_operator(parser, &sy))
ast_unref(cexp);
else {
if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
parseerror(parser, "internal error: leaked operands");
- ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out);
+ if (!ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out))
+ break;
}
vec_free(sy.out);
vec_free(sy.ops);
+ var->cvq = cvq;
}
}
static bool parser_global_statement(parser_t *parser)
{
- 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, false, istype);
+ return parse_variable(parser, NULL, false, CV_NONE, istype, false, false, false);
}
- else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
+ else if (parse_var_qualifiers(parser, false, &cvq, &noref, &noreturn, &is_static))
{
- if (!strcmp(parser_tokval(parser), "var")) {
- if (!parser_next(parser)) {
- parseerror(parser, "expected variable declaration after 'var'");
- return false;
- }
- return parse_variable(parser, NULL, true, false, NULL);
- }
+ if (cvq == CV_WRONG)
+ return false;
+ return parse_variable(parser, NULL, true, cvq, NULL, noref, noreturn, is_static);
}
else if (parser->tok == TOKEN_KEYWORD)
{
- if (!strcmp(parser_tokval(parser), "const")) {
- if (!parser_next(parser)) {
- parseerror(parser, "expected variable declaration after 'const'");
- return false;
- }
- if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var")) {
- (void)!parsewarning(parser, WARN_CONST_VAR, "ignoring `var` after const qualifier");
- if (!parser_next(parser)) {
- parseerror(parser, "expected variable declaration after 'const var'");
- return false;
- }
- }
- return parse_variable(parser, NULL, true, true, NULL);
- }
- else if (!strcmp(parser_tokval(parser), "typedef")) {
+ if (!strcmp(parser_tokval(parser), "typedef")) {
if (!parser_next(parser)) {
parseerror(parser, "expected type definition after 'typedef'");
return false;
parseerror(parser, "unrecognized keyword `%s`", parser_tokval(parser));
return false;
}
+ else if (parser->tok == '#')
+ {
+ return parse_pragma(parser);
+ }
else if (parser->tok == '$')
{
if (!parser_next(parser)) {
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;
if (!parser_global_statement(parser)) {
if (parser->tok == TOKEN_EOF)
parseerror(parser, "unexpected eof");
- else if (!parser->errors)
+ else if (compile_errors)
parseerror(parser, "there have been errors, bailing out");
lex_close(parser->lex);
parser->lex = NULL;
lex_close(parser->lex);
parser->lex = NULL;
- return !parser->errors;
+ return !compile_errors;
}
bool parser_compile_file(const char *filename)
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;
vec_free(parser->typedefs);
vec_free(parser->_blocktypedefs);
+ vec_free(parser->_block_ctx);
+
+ vec_free(parser->labels);
+ vec_free(parser->gotos);
+
mem_d(parser);
}
ir_builder *ir;
bool retval = true;
- if (!parser->errors)
- {
- ir = ir_builder_new("gmqcc_out");
- if (!ir) {
- con_out("failed to allocate builder\n");
+ if (compile_errors) {
+ con_out("*** there were compile errors\n");
+ return false;
+ }
+
+ ir = ir_builder_new("gmqcc_out");
+ if (!ir) {
+ con_out("failed to allocate builder\n");
+ return false;
+ }
+
+ for (i = 0; i < vec_size(parser->fields); ++i) {
+ ast_value *field;
+ bool hasvalue;
+ if (!ast_istype(parser->fields[i], ast_value))
+ continue;
+ field = (ast_value*)parser->fields[i];
+ hasvalue = field->hasvalue;
+ field->hasvalue = false;
+ if (!ast_global_codegen((ast_value*)field, ir, true)) {
+ con_out("failed to generate field %s\n", field->name);
+ ir_builder_delete(ir);
return false;
}
-
- for (i = 0; i < vec_size(parser->fields); ++i) {
- ast_value *field;
- bool hasvalue;
- if (!ast_istype(parser->fields[i], ast_value))
- continue;
- field = (ast_value*)parser->fields[i];
- hasvalue = field->hasvalue;
- field->hasvalue = false;
- if (!ast_global_codegen((ast_value*)field, ir, true)) {
- con_out("failed to generate field %s\n", field->name);
- ir_builder_delete(ir);
- return false;
- }
- if (hasvalue) {
- ir_value *ifld;
- ast_expression *subtype;
- field->hasvalue = true;
- subtype = field->expression.next;
- ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
- if (subtype->expression.vtype == TYPE_FIELD)
- ifld->fieldtype = subtype->expression.next->expression.vtype;
- else if (subtype->expression.vtype == TYPE_FUNCTION)
- ifld->outtype = subtype->expression.next->expression.vtype;
- (void)!ir_value_set_field(field->ir_v, ifld);
- }
- }
- for (i = 0; i < vec_size(parser->globals); ++i) {
- ast_value *asvalue;
- if (!ast_istype(parser->globals[i], ast_value))
- continue;
- asvalue = (ast_value*)(parser->globals[i]);
- if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
- if (strcmp(asvalue->name, "end_sys_globals") &&
- strcmp(asvalue->name, "end_sys_fields"))
- {
- retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
- "unused global: `%s`", asvalue->name);
- }
- }
- if (!ast_global_codegen(asvalue, ir, false)) {
- con_out("failed to generate global %s\n", asvalue->name);
- ir_builder_delete(ir);
- return false;
- }
+ if (hasvalue) {
+ ir_value *ifld;
+ ast_expression *subtype;
+ field->hasvalue = true;
+ subtype = field->expression.next;
+ ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
+ if (subtype->expression.vtype == TYPE_FIELD)
+ ifld->fieldtype = subtype->expression.next->expression.vtype;
+ else if (subtype->expression.vtype == TYPE_FUNCTION)
+ ifld->outtype = subtype->expression.next->expression.vtype;
+ (void)!ir_value_set_field(field->ir_v, ifld);
}
- for (i = 0; i < vec_size(parser->imm_float); ++i) {
- if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
- con_out("failed to generate global %s\n", parser->imm_float[i]->name);
- ir_builder_delete(ir);
- return false;
- }
+ }
+ for (i = 0; i < vec_size(parser->globals); ++i) {
+ ast_value *asvalue;
+ if (!ast_istype(parser->globals[i], ast_value))
+ continue;
+ asvalue = (ast_value*)(parser->globals[i]);
+ if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
+ retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
+ "unused global: `%s`", asvalue->name);
}
- for (i = 0; i < vec_size(parser->imm_string); ++i) {
- if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
- con_out("failed to generate global %s\n", parser->imm_string[i]->name);
- ir_builder_delete(ir);
- return false;
- }
+ if (!ast_global_codegen(asvalue, ir, false)) {
+ con_out("failed to generate global %s\n", asvalue->name);
+ ir_builder_delete(ir);
+ return false;
}
- for (i = 0; i < vec_size(parser->imm_vector); ++i) {
- if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
- con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
- ir_builder_delete(ir);
- return false;
- }
+ }
+ for (i = 0; i < vec_size(parser->imm_float); ++i) {
+ if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
+ con_out("failed to generate global %s\n", parser->imm_float[i]->name);
+ ir_builder_delete(ir);
+ return false;
}
- for (i = 0; i < vec_size(parser->globals); ++i) {
- ast_value *asvalue;
- if (!ast_istype(parser->globals[i], ast_value))
- continue;
- asvalue = (ast_value*)(parser->globals[i]);
- if (asvalue->setter) {
- if (!ast_global_codegen(asvalue->setter, ir, false) ||
- !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
- !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
- {
- printf("failed to generate setter for %s\n", asvalue->name);
- ir_builder_delete(ir);
- return false;
- }
- }
- if (asvalue->getter) {
- if (!ast_global_codegen(asvalue->getter, ir, false) ||
- !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
- !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
- {
- printf("failed to generate getter for %s\n", asvalue->name);
- ir_builder_delete(ir);
- return false;
- }
- }
+ }
+ for (i = 0; i < vec_size(parser->imm_string); ++i) {
+ if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
+ con_out("failed to generate global %s\n", parser->imm_string[i]->name);
+ ir_builder_delete(ir);
+ return false;
+ }
+ }
+ for (i = 0; i < vec_size(parser->imm_vector); ++i) {
+ if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
+ con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
+ ir_builder_delete(ir);
+ return false;
}
- for (i = 0; i < vec_size(parser->fields); ++i) {
- ast_value *asvalue;
- asvalue = (ast_value*)(parser->fields[i]->expression.next);
+ }
+ for (i = 0; i < vec_size(parser->globals); ++i) {
+ ast_value *asvalue;
+ if (!ast_istype(parser->globals[i], ast_value))
+ continue;
+ asvalue = (ast_value*)(parser->globals[i]);
+ if (!ast_generate_accessors(asvalue, ir)) {
+ ir_builder_delete(ir);
+ return false;
+ }
+ }
+ for (i = 0; i < vec_size(parser->fields); ++i) {
+ ast_value *asvalue;
+ asvalue = (ast_value*)(parser->fields[i]->expression.next);
- if (!ast_istype((ast_expression*)asvalue, ast_value))
- continue;
- if (asvalue->expression.vtype != TYPE_ARRAY)
- continue;
- if (asvalue->setter) {
- if (!ast_global_codegen(asvalue->setter, ir, false) ||
- !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
- !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
- {
- printf("failed to generate setter for %s\n", asvalue->name);
- ir_builder_delete(ir);
- return false;
- }
- }
- if (asvalue->getter) {
- if (!ast_global_codegen(asvalue->getter, ir, false) ||
- !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
- !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
- {
- printf("failed to generate getter for %s\n", asvalue->name);
- ir_builder_delete(ir);
- return false;
- }
- }
+ if (!ast_istype((ast_expression*)asvalue, ast_value))
+ continue;
+ if (asvalue->expression.vtype != TYPE_ARRAY)
+ continue;
+ if (!ast_generate_accessors(asvalue, ir)) {
+ ir_builder_delete(ir);
+ return false;
}
- for (i = 0; i < vec_size(parser->functions); ++i) {
- if (!ast_function_codegen(parser->functions[i], ir)) {
- con_out("failed to generate function %s\n", parser->functions[i]->name);
- ir_builder_delete(ir);
- return false;
- }
+ }
+ for (i = 0; i < vec_size(parser->functions); ++i) {
+ if (!ast_function_codegen(parser->functions[i], ir)) {
+ con_out("failed to generate function %s\n", parser->functions[i]->name);
+ ir_builder_delete(ir);
+ return false;
}
- if (opts_dump)
- ir_builder_dump(ir, con_out);
- for (i = 0; i < vec_size(parser->functions); ++i) {
- if (!ir_function_finalize(parser->functions[i]->ir_func)) {
- con_out("failed to finalize function %s\n", parser->functions[i]->name);
- ir_builder_delete(ir);
- return false;
- }
+ }
+ if (opts.dump)
+ ir_builder_dump(ir, con_out);
+ for (i = 0; i < vec_size(parser->functions); ++i) {
+ if (!ir_function_finalize(parser->functions[i]->ir_func)) {
+ con_out("failed to finalize function %s\n", parser->functions[i]->name);
+ ir_builder_delete(ir);
+ return false;
}
+ }
+
+ if (compile_Werrors) {
+ con_out("*** there were warnings treated as errors\n");
+ compile_show_werrors();
+ retval = false;
+ }
- if (retval) {
- if (opts_dumpfin)
- ir_builder_dump(ir, con_out);
+ if (retval) {
+ if (opts.dumpfin)
+ ir_builder_dump(ir, con_out);
- generate_checksum(parser);
+ generate_checksum(parser);
- if (!ir_builder_generate(ir, output)) {
- con_out("*** failed to generate output file\n");
- ir_builder_delete(ir);
- return false;
- }
+ if (!ir_builder_generate(ir, output)) {
+ con_out("*** failed to generate output file\n");
+ ir_builder_delete(ir);
+ return false;
}
-
- ir_builder_delete(ir);
- return retval;
}
- con_out("*** there were compile errors\n");
- return false;
+ ir_builder_delete(ir);
+ return retval;
}
projects / xonotic / gmqcc.git / blobdiff