+++ /dev/null
-%include {
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-
-#include "parser.h"
-
-static void syntax_error(const char *fn, size_t ln, const char *msg, ...) {
- fprintf(stderr, "WARNING: Syntax error on line %zu in '%s'%s", ln, fn, msg ? ": ": "\n");
- if (msg) {
- va_list argv;
-
- va_start(argv, msg);
- vfprintf(stderr, msg, argv);
- va_end(argv);
- }
-}
-
-}
-
-%name PSI_Parser
-%token_prefix PSI_T_
-%token_type {PSI_Token *}
-%token_destructor {free($$);}
-%extra_argument {PSI_Lexer *L}
-/* TOKEN is defined inside syntax_error */
-%syntax_error {
- syntax_error(L->fn, L->line, "Unexpected token '%s'.\n", TOKEN->text);
-}
-file ::= blocks.
-
-blocks ::= block.
-blocks ::= blocks block.
-
-block ::= COMMENT.
-
-block ::= LIB(T) QUOTED_STRING(libname) EOS. {
- if (L->lib) {
- syntax_error(L->fn, T->line, "Extra 'lib %s' statement has no effect.\n", libname->text);
- } else {
- L->lib = strndup(libname->text + 1, libname->size - 2);
- }
- free(libname);
- free(T);
-}
-
-block ::= decl(decl). {
- L->decls = add_decl(L->decls, decl);
-}
-block ::= impl(impl). {
- L->impls = add_impl(L->impls, impl);
-}
-block ::= decl_typedef(def). {
- L->defs = add_decl_typedef(L->defs, def);
-}
-
-%type decl_typedef {decl_typedef*}
-decl_typedef(def) ::= TYPEDEF NAME(ALIAS) decl_type(type) EOS. {
- def = init_decl_typedef(ALIAS->text, type);
- free(ALIAS);
-}
-
-%type decl {decl*}
-decl(decl) ::= decl_abi(abi) decl_arg(func) LPAREN decl_args(args) RPAREN EOS. {
- decl = init_decl(abi, func, args);
-}
-
-%type decl_abi {decl_abi*}
-decl_abi(abi) ::= NAME(T). {
- abi = init_decl_abi(T->text);
-}
-
-%type decl_var {decl_var*}
-decl_var(var) ::= NAME(T). {
- var = init_decl_var(T->text, 0);
- free(T);
-}
-decl_var(var) ::= pointers(p) NAME(T). {
- var = init_decl_var(T->text, p);
- free(T);
-}
-
-%type decl_vars {decl_vars*}
-decl_vars(vars) ::= decl_var(var). {
- vars = init_decl_vars(var);
-}
-decl_vars(vars) ::= decl_vars(vars_) COMMA decl_var(var). {
- vars = add_decl_var(vars_, var);
-}
-
-%type decl_arg {decl_arg*}
-decl_arg(arg) ::= decl_type(type) decl_var(var). {
- arg = init_decl_arg(type, var);
-}
-
-%type decl_args {decl_args*}
-decl_args(args) ::= decl_arg(arg). {
- args = init_decl_args(arg);
-}
-decl_args(args) ::= decl_args(args_) COMMA decl_arg(arg). {
- args = add_decl_arg(args_, arg);
-}
-
-%type decl_type {decl_type*}
-decl_type(type_) ::= VOID(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= INT(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= FLOAT(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= DOUBLE(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= SINT8(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= UINT8(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= SINT16(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= UINT16(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= SINT32(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= UINT32(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= SINT64(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= UINT64(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-decl_type(type_) ::= NAME(T). {
- type_ = init_decl_type(T->type, T->text);
- free(T);
-}
-
-%type impl {impl*}
-impl(impl) ::= impl_func(func) LBRACE impl_stmts(stmts) RBRACE. {
- impl = init_impl(func, stmts);
-}
-
-%type impl_func {impl_func*}
-impl_func(func) ::= FUNCTION NSNAME(NAME) LPAREN impl_args(args) RPAREN COLON impl_type(type). {
- func = init_impl_func(NAME->text, args, type);
- free(NAME);
-}
-impl_func(func) ::= FUNCTION NSNAME(NAME) LPAREN RPAREN COLON impl_type(type). {
- func = init_impl_func(NAME->text, NULL, type);
- free(NAME);
-}
-
-%type impl_def_val {impl_def_val*}
-impl_def_val(def) ::= NULL. {
- /* FIXME */
- def = init_impl_def_val();
-}
-impl_def_val(def) ::= number. {
- /* FIXME */
- def = init_impl_def_val();
-}
-
-%type impl_var {impl_var*}
-impl_var(var) ::= DOLLAR NAME(T). {
- var = init_impl_var(T->text, 0);
- free(T);
-}
-impl_var(var) ::= REFERENCE DOLLAR NAME(T). {
- var = init_impl_var(T->text, 1);
- free(T);
-}
-
-%type impl_arg {impl_arg*}
-impl_arg(arg) ::= impl_type(type) impl_var(var). {
- arg = init_impl_arg(type, var, NULL);
-}
-impl_arg(arg) ::= impl_type(type) impl_var(var) EQUALS impl_def_val(def). {
- arg = init_impl_arg(type, var, def);
-}
-
-%type impl_args {impl_args*}
-impl_args(args) ::= impl_arg(arg). {
- args = init_impl_args(arg);
-}
-impl_args(args) ::= impl_args(args_) COMMA impl_arg(arg). {
- args = add_impl_arg(args_, arg);
-}
-
-%type impl_stmts {impl_stmts*}
-impl_stmts(stmts) ::= impl_stmt(stmt). {
- stmts = init_impl_stmts(stmt);
-}
-impl_stmts(stmts) ::= impl_stmts(stmts_) impl_stmt(stmt). {
- stmts = add_impl_stmt(stmts_, stmt);
-}
-
-%type impl_stmt {impl_stmt*}
-impl_stmt(stmt) ::= let_stmt(let). {
- stmt = init_impl_stmt(PSI_T_LET, let);
-}
-impl_stmt(stmt) ::= set_stmt(set). {
- stmt = init_impl_stmt(PSI_T_SET, set);
-}
-impl_stmt(stmt) ::= ret_stmt(ret). {
- stmt = init_impl_stmt(PSI_T_RET, ret);
-}
-
-%type let_stmt {let_stmt*}
-let_stmt(let) ::= LET decl_var(var) EQUALS let_value(val) EOS. {
- let = init_let_stmt(var, val);
-}
-
-%type let_value {let_value*}
-let_value(val) ::= let_func(func) LPAREN impl_var(var) RPAREN. {
- val = init_let_value(func, var, 0);
-}
-let_value(val) ::= REFERENCE NULL. {
- val = init_let_value(NULL, NULL, 1);
-}
-let_value(val) ::= NULL. {
- val = init_let_value(NULL, NULL, 0);
-}
-
-%type let_func {let_func*}
-let_func(func) ::= STRVAL(T). {
- func = init_let_func(T->type, T->text);
- free(T);
-}
-let_func(func) ::= INTVAL(T). {
- func = init_let_func(T->type, T->text);
- free(T);
-}
-let_func(func) ::= FLOATVAL(T). {
- func = init_let_func(T->type, T->text);
- free(T);
-}
-let_func(func) ::= BOOLVAL(T). {
- func = init_let_func(T->type, T->text);
- free(T);
-}
-
-%type set_stmt {set_stmt*}
-set_stmt(set) ::= SET impl_var(var) EQUALS set_value(val) EOS. {
- set = init_set_stmt(var, val);
-}
-
-%type set_value {set_value*}
-set_value(val) ::= set_func(func) LPAREN decl_vars(vars) RPAREN. {
- val = init_set_value(func, vars);
-}
-
-%type set_func {set_func*}
-set_func(func) ::= TO_STRING(T). {
- func = init_set_func(T->type, T->text);
- free(T);
-}
-set_func(func) ::= TO_INT(T). {
- func = init_set_func(T->type, T->text);
- free(T);
-}
-set_func(func) ::= TO_FLOAT(T). {
- func = init_set_func(T->type, T->text);
- free(T);
-}
-set_func(func) ::= TO_BOOL(T). {
- func = init_set_func(T->type, T->text);
- free(T);
-}
-
-%type ret_stmt {ret_stmt*}
-ret_stmt(ret) ::= RET set_func(func) LPAREN decl_var(var) RPAREN EOS. {
- ret = init_ret_stmt(func, var);
-}
-
-%type impl_type {impl_type*}
-impl_type(type_) ::= VOID(T). {
- type_ = init_impl_type(T->type, T->text);
- free(T);
-}
-impl_type(type_) ::= MIXED(T). {
- type_ = init_impl_type(T->type, T->text);
- free(T);
-}
-impl_type(type_) ::= BOOL(T). {
- type_ = init_impl_type(T->type, T->text);
- free(T);
-}
-impl_type(type_) ::= INT(T). {
- type_ = init_impl_type(T->type, T->text);
- free(T);
-}
-impl_type(type_) ::= FLOAT(T). {
- type_ = init_impl_type(T->type, T->text);
- free(T);
-}
-impl_type(type_) ::= STRING(T). {
- type_ = init_impl_type(T->type, T->text);
- free(T);
-}
-impl_type(type_) ::= ARRAY(T). {
- type_ = init_impl_type(T->type, T->text);
- free(T);
-}
-
-digits ::= DIGIT.
-digits ::= digits DIGIT.
-decimals ::= digits DOT digits.
-decimals ::= DOT digits.
-decimals ::= digits DOT.
-number ::= digits.
-number ::= PLUS digits.
-number ::= MINUS digits.
-number ::= decimals.
-number ::= MINUS decimals.
-number ::= PLUS decimals.
-
-%type pointers {unsigned}
-pointers(p) ::= POINTER. {++p;}
-pointers(p) ::= pointers(P) POINTER. {p = ++P;}
projects / m6w6 / ext-psi / blobdiff