#ifdef GENERATE
#define DEF(dn, dv) dn dv
-#define LET(nt, rule) nt ::= rule.
+#define PASS(nt, rule) nt ::= rule.
#define PARSE(nt, rule) nt ::= rule.
#define PARSE_NAMED(nt, nt_name, rule) NAMED(nt, nt_name) ::= rule.
#define PARSE_TYPED(nt, nt_name, rule) TYPED(nt, nt_name) ::= rule.
#include "parser.h"
#endif
#define DEF(dn, dv)
-#define LET(nt, rule)
+#define PASS(nt, rule) \
+ static void COUNTED(nt) (struct psi_parser *P) { \
+ (void) #rule; \
+ }
#define PARSE(nt, rule) \
- static void COUNTED(nt) (PSI_Parser *P rule)
+ static void COUNTED(nt) (struct psi_parser *P rule)
#define PARSE_NAMED(nt, nt_name, rule) \
- static void COUNTED(nt) (PSI_Parser *P NAMED(nt, nt_name) rule)
+ static void COUNTED(nt) (struct psi_parser *P NAMED(nt, nt_name) rule)
#define PARSE_TYPED(nt, nt_name, rule) \
- static void COUNTED(nt) (PSI_Parser *P TYPED(nt, nt_name) rule)
+ static void COUNTED(nt) (struct psi_parser *P TYPED(nt, nt_name) rule)
#define TOKEN(t)
-#define NAMED(t, name) , PSI_Token *name
+#define NAMED(t, name) , struct psi_token *name
#define TYPED(t, name) , TOKEN_TYPE_NAME(t) name
-#define TOKEN_TYPE_NAME(token) _##token##_type
+#define TOKEN_TYPE_NAME(token) ##token##_parse_t
#define TOKEN_TYPE(token, type) typedef type TOKEN_TYPE_NAME(token);
#define TOKEN_DTOR(token, dtor)
#endif
-DEF(%include, {
-void psi_error(int, const char *, int, const char *, ...);
-})
-
-DEF(%name, PSI_ParserProc)
+DEF(%name, psi_parser_proc_)
DEF(%token_prefix, PSI_T_)
-DEF(%token_type, {PSI_Token *})
+DEF(%token_type, {struct psi_token *})
DEF(%token_destructor, {free($$);})
DEF(%default_destructor, {(void)P;})
-DEF(%extra_argument, {PSI_Parser *P})
+DEF(%extra_argument, {struct psi_parser *P})
/* TOKEN is defined inside syntax_error */
DEF(%syntax_error, {
++P->errors;
if (TOKEN && TOKEN->type != PSI_T_EOF) {
- psi_error(PSI_WARNING, TOKEN->file, TOKEN->line, "PSI syntax error: Unexpected token '%s'", TOKEN->text);
+ psi_error(PSI_WARNING, TOKEN->file, TOKEN->line, "PSI syntax error: Unexpected token '%s' at pos %u", TOKEN->text, TOKEN->col);
} else {
psi_error(PSI_WARNING, P->psi.file.fn, P->line, "PSI syntax error: Unexpected end of input");
}
DEF(%nonassoc, NAME.)
DEF(%left, PLUS MINUS.)
-DEF(%left, SLASH ASTERISK.)
-DEF(%fallback, NAME TEMP FREE SET LET RETURN CALLOC CALLBACK ZVAL LIB STRING.)
+DEF(%left, ASTERISK SLASH.)
+DEF(%nonassoc, AMPERSAND.)
+DEF(%fallback, NAME TEMP FREE SET LET RETURN CALLOC CALLBACK ZVAL LIB STRING COUNT.)
DEF(%token_class, const_type_token BOOL INT FLOAT STRING.)
DEF(%token_class, decl_type_token FLOAT DOUBLE INT8 UINT8 INT16 UINT16 INT32 UINT32 INT64 UINT64 NAME.)
DEF(%token_class, impl_def_val_token NULL NUMBER TRUE FALSE QUOTED_STRING.)
DEF(%token_class, num_exp_token NUMBER NSNAME.)
DEF(%token_class, num_exp_op_token PLUS MINUS ASTERISK SLASH.)
-DEF(%token_class, let_func_token ZVAL OBJVAL ARRVAL PATHVAL STRLEN STRVAL FLOATVAL INTVAL BOOLVAL.)
+DEF(%token_class, let_func_token ZVAL OBJVAL ARRVAL PATHVAL STRLEN STRVAL FLOATVAL INTVAL BOOLVAL COUNT.)
DEF(%token_class, set_func_token TO_OBJECT TO_ARRAY TO_STRING TO_INT TO_FLOAT TO_BOOL ZVAL VOID.)
DEF(%token_class, impl_type_token VOID MIXED BOOL INT FLOAT STRING ARRAY OBJECT CALLABLE.)
TOKEN_DTOR(callback_args, free_set_values($$);)
TOKEN_TYPE(let_val, let_val*)
TOKEN_DTOR(let_val, free_let_val($$);)
+TOKEN_TYPE(let_vals, let_vals*)
+TOKEN_DTOR(let_vals, free_let_vals($$);)
TOKEN_TYPE(set_stmt, set_stmt*)
TOKEN_DTOR(set_stmt, free_set_stmt($$);)
TOKEN_TYPE(set_value, set_value*)
TOKEN_TYPE(indirection, unsigned)
TOKEN_TYPE(pointers, unsigned)
-LET(file, blocks)
-LET(blocks, block)
-LET(blocks, blocks block)
+PASS(file, blocks)
+PASS(blocks, block)
+PASS(blocks, blocks block)
-LET(block, EOF)
-LET(block, EOS)
+PASS(block, EOF)
+PASS(block, EOS)
PARSE(block, NAMED(LIB, token) NAMED(QUOTED_STRING, libname) TOKEN(EOS)) {
if (P->psi.file.ln) {
} else {
char digest[17];
- PSI_TokenHash(E, digest);
- n = PSI_TokenTranslit(PSI_TokenAppend(E, 1, digest), " ", "@");
+ psi_token_hash(E, digest);
+ n = psi_token_translit(psi_token_append(E, 1, digest), " ", "@");
}
}
} else {
char digest[17];
- PSI_TokenHash(U, digest);
- n = PSI_TokenTranslit(PSI_TokenAppend(U, 1, digest), " ", "@");
+ psi_token_hash(U, digest);
+ n = psi_token_translit(psi_token_append(U, 1, digest), " ", "@");
}
}
} else {
char digest[17];
- PSI_TokenHash(S, digest);
- n = PSI_TokenTranslit(PSI_TokenAppend(S, 1, digest), " ", "@");
+ psi_token_hash(S, digest);
+ n = psi_token_translit(psi_token_append(S, 1, digest), " ", "@");
}
}
TYPED(decl_struct_args_block, args)
TYPED(decl_var, var)) {
def = init_decl_arg(init_decl_type(PSI_T_STRUCT, N->text), var);
- def->type->token = PSI_TokenCopy(N);
+ def->type->token = psi_token_copy(N);
def->type->real.strct = init_decl_struct(N->text, args);
def->type->real.strct->token = N;
def->type->real.strct->align = as.pos;
TYPED(decl_struct_args_block, args)
TYPED(decl_var, var)) {
def = init_decl_arg(init_decl_type(PSI_T_UNION, N->text), var);
- def->type->token = PSI_TokenCopy(N);
+ def->type->token = psi_token_copy(N);
def->type->real.unn = init_decl_union(N->text, args);
def->type->real.unn->token = N;
def->type->real.unn->align = as.pos;
NAMED(NAME, ALIAS)) {
def = init_decl_arg(init_decl_type(PSI_T_ENUM, e->name), init_decl_var(ALIAS->text, 0, 0));
def->var->token = ALIAS;
- def->type->token = PSI_TokenCopy(e->token);
+ def->type->token = psi_token_copy(e->token);
def->type->real.enm = e;
}
TYPED(decl_func, func_)
TYPED(decl_typedef_body_fn_args, args)) {
def = init_decl_arg(init_decl_type(PSI_T_FUNCTION, func_->var->name), copy_decl_var(func_->var));
- def->type->token = PSI_TokenCopy(func_->token);
+ def->type->token = psi_token_copy(func_->token);
def->type->real.func = init_decl(init_decl_abi("default"), func_, args);
}
PARSE_TYPED(decl_typedef_body, def,
copy_decl_var(func_->var)
);
def->var->pointer_level = type_i;
- def->type->token = PSI_TokenCopy(func_->token);
+ def->type->token = psi_token_copy(func_->token);
def->type->real.func = init_decl(init_decl_abi("default"), func_, args);
}
PARSE_TYPED(decl_typedef_body, def,
copy_decl_var(func_->var)
);
def->var->pointer_level = type_i;
- def->type->token = PSI_TokenCopy(func_->token);
+ def->type->token = psi_token_copy(func_->token);
def->type->real.func = init_decl(init_decl_abi("default"), func_, args);
}
}
PARSE_TYPED(decl_var, var,
- TYPED(indirection, p)
- NAMED(NAME, T)) {
- var = init_decl_var(T->text, p, 0);
+ NAMED(NAME, T)
+ NAMED(decl_var_array_size, as)) {
+ var = init_decl_var(T->text, 0, as?atol(as->text):0);
var->token = T;
+ if (as) {
+ free(as);
+ }
}
PARSE_TYPED(decl_var, var,
- TYPED(indirection, p)
+ TYPED(pointers, p)
NAMED(NAME, T)
+ NAMED(decl_var_array_size, as)) {
+ var = init_decl_var(T->text, p+!!as, as?atol(as->text):0);
+ var->token = T;
+ if (as) {
+ free(as);
+ }
+}
+PARSE_NAMED(decl_var_array_size, as, ) {
+ as = NULL;
+}
+PARSE_NAMED(decl_var_array_size, as,
TOKEN(LBRACKET)
NAMED(NUMBER, D)
TOKEN(RBRACKET)) {
- var = init_decl_var(T->text, p+1, atol(D->text));
- var->token = T;
- free(D);
+ as = D;
}
PARSE_TYPED(decl_vars, vars,
copy_decl_var(func_->var)
);
def->var->pointer_level = type_i;
- def->type->token = PSI_TokenCopy(func_->token);
+ def->type->token = psi_token_copy(func_->token);
def->type->real.func = init_decl(init_decl_abi("default"), func_, args);
}
arg_->token = N;
}
-LET(decl_args, )
-LET(decl_args, VOID)
+PASS(decl_args, )
+PASS(decl_args, VOID)
PARSE_TYPED(decl_args, args,
TYPED(decl_arg, arg)) {
args = init_decl_args(arg);
NAMED(SHORT, S)
NAMED(decl_scalar_type_short, s)) {
if (s) {
- type_ = PSI_TokenCat(2, S, s);
+ type_ = psi_token_cat(2, S, s);
free(S);
free(s);
} else {
NAMED(LONG, L)
NAMED(decl_scalar_type_long, l)) {
if (l) {
- type_ = PSI_TokenCat(2, L, l);
+ type_ = psi_token_cat(2, L, l);
free(L);
free(l);
} else {
NAMED(LONG, L)
NAMED(decl_scalar_type_long_long, ll)) {
if (ll) {
- l = PSI_TokenCat(2, L, ll);
+ l = psi_token_cat(2, L, ll);
free(L);
free(ll);
} else {
PARSE_TYPED(decl_type, type_,
NAMED(UNSIGNED, U)
NAMED(decl_scalar_type, N)) {
- PSI_Token *T = PSI_TokenCat(2, U, N);
+ struct psi_token *T = psi_token_cat(2, U, N);
type_ = init_decl_type(T->type, T->text);
type_->token = T;
free(U);
PARSE_TYPED(decl_type, type_,
NAMED(SIGNED, S)
NAMED(decl_scalar_type, N)) {
- PSI_Token *T = PSI_TokenCat(2, S, N);
+ struct psi_token *T = psi_token_cat(2, S, N);
type_ = init_decl_type(T->type, T->text);
type_->token = T;
free(S);
PARSE_TYPED(num_exp, exp,
TYPED(decl_var, var)) {
exp = init_num_exp(PSI_T_NAME, var);
- exp->token = PSI_TokenCopy(var->token);
+ exp->token = psi_token_copy(var->token);
}
PARSE_TYPED(num_exp, exp,
TYPED(num_exp, exp_)
free(operator_);
}
+TOKEN_TYPE(let_exp, let_val*)
+TOKEN_DTOR(let_exp, free_let_val($$);)
+
+TOKEN_TYPE(let_callback, let_callback*)
+TOKEN_DTOR(let_callback, free_let_callback($$);)
+
+/*
+ * let_val: NULL
+ */
+PARSE_TYPED(let_val, val,
+ TOKEN(NULL)) {
+ val = init_let_val(PSI_LET_NULL, NULL);
+}
+/*
+ * let_val: &NULL
+ */
+PARSE_TYPED(let_val, val,
+ TOKEN(AMPERSAND)
+ TOKEN(NULL)) {
+ val = init_let_val(PSI_LET_NULL, NULL);
+ val->is_reference = 1;
+}
+/*
+ * let_val: callback
+ */
+PARSE_TYPED(let_val, val,
+ TYPED(let_callback, cb)) {
+ val = init_let_val(PSI_LET_CALLBACK, cb);
+}
+/*
+ * let_val: calloc
+ */
+PARSE_TYPED(let_val, val,
+ TYPED(let_calloc, ca)) {
+ val = init_let_val(PSI_LET_CALLOC, ca);
+}
+/*
+ * let_val: &calloc
+ */
+PARSE_TYPED(let_val, val,
+ TOKEN(AMPERSAND)
+ TYPED(let_calloc, ca)) {
+ val = init_let_val(PSI_LET_CALLOC, ca);
+ val->is_reference = 1;
+}
+/*
+ * let_val: func
+ */
+PARSE_TYPED(let_val, val,
+ TYPED(let_func, fn)) {
+ val = init_let_val_ex(NULL, PSI_LET_FUNC, fn);
+}
+/*
+ * let_val: &func
+ */
+PARSE_TYPED(let_val, val,
+ TOKEN(AMPERSAND)
+ TYPED(let_func, fn)) {
+ val = init_let_val_ex(NULL, PSI_LET_FUNC, fn);
+ val->is_reference = 1;
+}
+/*
+ * let_val: 1234
+ */
+PARSE_TYPED(let_val, val,
+ TYPED(num_exp, exp)) {
+ val = init_let_val_ex(NULL, PSI_LET_NUMEXP, exp);
+}
+/*
+ * let_val: &1234
+ */
+PARSE_TYPED(let_val, val,
+ TOKEN(AMPERSAND)
+ TYPED(num_exp, exp)) {
+ val = init_let_val_ex(NULL, PSI_LET_NUMEXP, exp);
+ val->is_reference = 1;
+}
+
+/*
+ * let_exp: var = val
+ */
+PARSE_TYPED(let_exp, exp,
+ TYPED(decl_var, var_)
+ TOKEN(EQUALS)
+ TYPED(let_val, val)) {
+ exp = val;
+ exp->var = var_;
+}
+
+/*
+ * let_stmt: LET exp ;
+ */
PARSE_TYPED(let_stmt, let,
- TOKEN(LET)
- TYPED(decl_var, var)
+ NAMED(LET, T)
+ TYPED(let_exp, val)
TOKEN(EOS)) {
- let = init_let_stmt(var, init_let_val(PSI_LET_NULL, NULL));
+ let = init_let_stmt(val);
+ let->token = T;
}
+
+/*
+ * let_stmt: TEMP foo = bar ;
+ */
PARSE_TYPED(let_stmt, let,
- TOKEN(LET)
+ NAMED(TEMP, T)
TYPED(decl_var, var)
TOKEN(EQUALS)
TYPED(reference, r)
- TYPED(let_val, val)
+ TYPED(decl_var, val_)
TOKEN(EOS)) {
- val->flags.one.is_reference = r ? 1 : 0;
- let = init_let_stmt(var, val);
+ let = init_let_stmt(init_let_val_ex(var, PSI_LET_TMP, val_));
+ let->token = T;
+ let->val->is_reference = r ? 1 : 0;
}
-PARSE_TYPED(let_stmt, let,
- TOKEN(TEMP)
- TYPED(decl_var, var)
- TOKEN(EQUALS)
- TYPED(decl_var, val)
- TOKEN(EOS)) {
- let = init_let_stmt(var, init_let_val(PSI_LET_TMP, val));
+
+/*
+ * let_callback: CALLBACK cast($var($args))
+ */
+PARSE_TYPED(let_callback, cb,
+ TOKEN(CALLBACK)
+ NAMED(callback_rval, F)
+ TOKEN(LPAREN)
+ TYPED(impl_var, var)
+ TOKEN(LPAREN)
+ TYPED(callback_arg_list, args_)
+ TOKEN(RPAREN)
+ TOKEN(RPAREN)) {
+ cb = init_let_callback(init_let_func(F->type, F->text, var), args_);
+ free(F);
}
+/*
+ * let_calloc: CALLOC ( num_exp nmemb , num_exp size )
+ */
PARSE_TYPED(let_calloc, alloc,
+ TOKEN(CALLOC)
+ TOKEN(LPAREN)
TYPED(num_exp, nmemb)
TOKEN(COMMA)
- TYPED(num_exp, size)) {
+ TYPED(num_exp, size)
+ TOKEN(RPAREN)) {
alloc = init_let_calloc(nmemb, size);
}
+/*
+ * let_func: FUNC ( $var )
+ */
+PARSE_TYPED(let_func, func,
+ NAMED(let_func_token, T)
+ TOKEN(LPAREN)
+ TYPED(impl_var, var)
+ TOKEN(RPAREN)) {
+ func = init_let_func(T->type, T->text, var);
+ free(T);
+}
+/*
+ * let_func: FUNC ( $var (,exps)? )
+ */
PARSE_TYPED(let_func, func,
NAMED(let_func_token, T)
TOKEN(LPAREN)
TYPED(impl_var, var)
+ TOKEN(COMMA)
+ TYPED(let_vals, vals)
TOKEN(RPAREN)) {
func = init_let_func(T->type, T->text, var);
+ func->inner = vals;
free(T);
}
+/*
+ * let_vals: exps = exp
+ */
+PARSE_TYPED(let_vals, vals,
+ TYPED(let_exp, val)) {
+ vals = init_let_vals(val);
+}
+PARSE_TYPED(let_vals, vals,
+ TYPED(let_val, val)) {
+ vals = init_let_vals(val);
+}
+/*
+ * let_vals: exps = exps, exp
+ */
+PARSE_TYPED(let_vals, vals,
+ TYPED(let_vals, vals_)
+ TOKEN(COMMA)
+ TYPED(let_exp, val)) {
+ vals = add_let_val(vals_, val);
+}
+PARSE_TYPED(let_vals, vals,
+ TYPED(let_vals, vals_)
+ TOKEN(COMMA)
+ TYPED(let_val, val)) {
+ vals = add_let_val(vals_, val);
+}
-LET(callback_arg_list, )
+PASS(callback_arg_list, )
PARSE_TYPED(callback_arg_list, args,
TYPED(callback_args, args_)) {
args = args_;
TYPED(set_value, val)) {
args = add_set_value(args_, val);
}
-
-PARSE_TYPED(let_val, val,
- TOKEN(NULL)) {
- val = init_let_val(PSI_LET_NULL, NULL);
-}
-PARSE_TYPED(let_val, val,
- TYPED(num_exp, exp)) {
- val = init_let_val(PSI_LET_NUMEXP, exp);
-}
-PARSE_TYPED(let_val, val,
- TOKEN(CALLOC)
- TOKEN(LPAREN)
- TYPED(let_calloc, alloc)
- TOKEN(RPAREN)) {
- val = init_let_val(PSI_LET_CALLOC, alloc);
+PARSE_NAMED(callback_rval, rval,
+ NAMED(let_func_token, F)) {
+ rval = F;
}
-PARSE_TYPED(let_val, val,
- TYPED(let_func, func)) {
- val = init_let_val(PSI_LET_FUNC, func);
-}
-PARSE_TYPED(let_val, val,
- TOKEN(CALLBACK)
- NAMED(let_func_token, F)
- TOKEN(LPAREN)
- TYPED(impl_var, var)
- TOKEN(LPAREN)
- TYPED(callback_arg_list, args_)
- TOKEN(RPAREN)
- TOKEN(RPAREN)) {
- val = init_let_val(PSI_LET_CALLBACK, init_let_callback(
- init_let_func(F->type, F->text, var), args_));
- free(F);
+PARSE_NAMED(callback_rval, rval,
+ NAMED(VOID, V)) {
+ rval = V;
}
PARSE_TYPED(set_stmt, set,