X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fparser_proc.y;h=94cdf58556ec0ffdd86861bca3a88ed8eb075a24;hp=06e4be59a4cd9c314d4bd49db3d118a0eed393ff;hb=fd6b164d2a10a7c4240f71153afd41d16fe86a3d;hpb=6bc2d7ee8421401fc11225e09e4bb1fab03594b8 diff --git a/src/parser_proc.y b/src/parser_proc.y index 06e4be5..94cdf58 100644 --- a/src/parser_proc.y +++ b/src/parser_proc.y @@ -25,7 +25,7 @@ %nonassoc NAME. %left PLUS MINUS. %left SLASH ASTERISK. -%fallback NAME FREE SET LET RETURN LIB INT UNSIGNED. +%fallback NAME TEMP FREE SET LET RETURN LIB INT UNSIGNED. file ::= blocks. @@ -241,6 +241,7 @@ decl_type(type_) ::= UNSIGNED NAME(T). { memcpy(type_->name, "unsigned", sizeof("unsigned")-1); type_->name[sizeof("unsigned")] = ' '; type_->name[T->size + sizeof("unsigned")] = 0; + free(T); } /* we have to support plain int here because we have it in our lexer rules */ decl_type(type_) ::= INT(T). { @@ -271,12 +272,8 @@ impl(impl) ::= impl_func(func) LBRACE impl_stmts(stmts) RBRACE. { %type impl_func {impl_func*} %destructor impl_func {free_impl_func($$);} -impl_func(func) ::= FUNCTION NSNAME(NAME) impl_args(args) COLON impl_type(type). { - func = init_impl_func(NAME->text, args, type, 0); - free(NAME); -} -impl_func(func) ::= FUNCTION AMPERSAND NSNAME(NAME) impl_args(args) COLON impl_type(type). { - func = init_impl_func(NAME->text, args, type, 1); +impl_func(func) ::= FUNCTION reference(r) NSNAME(NAME) impl_args(args) COLON impl_type(type). { + func = init_impl_func(NAME->text, args, type, r); free(NAME); } @@ -290,12 +287,8 @@ impl_def_val(def) ::= impl_def_val_token(T). { %type impl_var {impl_var*} %destructor impl_var {free_impl_var($$);} -impl_var(var) ::= DOLLAR NAME(T). { - var = init_impl_var(T->text, 0); - free(T); -} -impl_var(var) ::= AMPERSAND DOLLAR NAME(T). { - var = init_impl_var(T->text, 1); +impl_var(var) ::= reference(r) DOLLAR NAME(T). { + var = init_impl_var(T->text, r); free(T); } @@ -370,46 +363,45 @@ num_exp(exp) ::= num_exp(exp_) num_exp_op_token(operator_) num_exp(operand_). { %type let_stmt {let_stmt*} %destructor let_stmt {free_let_stmt($$);} let_stmt(let) ::= LET decl_var(var) EOS. { - let = init_let_stmt(var, NULL); + let = init_let_stmt(var, init_let_val(PSI_LET_NULL, NULL)); } -let_stmt(let) ::= LET decl_var(var) EQUALS let_value(val) EOS. { +let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) let_val(val) EOS. { + val->flags.one.is_reference = r ? 1 : 0; let = init_let_stmt(var, val); } -let_stmt(let) ::= decl_arg(arg) EQUALS decl_var(var_) EOS. { - let = init_let_stmt(arg->var, NULL); +let_stmt(let) ::= TEMP decl_var(var) EQUALS decl_var(val) EOS. { + let = init_let_stmt(var, init_let_val(PSI_LET_TMP, val)); } -%type let_value {let_value*} -%destructor let_value {free_let_value($$);} -let_value(val) ::= reference(r) CALLOC(F) LPAREN let_calloc(alloc) RPAREN. { - val = init_let_value(init_let_func(F->type, F->text, alloc), NULL, r); - free(F); +%type let_val {let_val*} +%destructor let_val {free_let_val($$);} +let_val(val) ::= NULL. { + val = init_let_val(PSI_LET_NULL, NULL); +} +let_val(val) ::= num_exp(exp). { + val = init_let_val(PSI_LET_NUMEXP, exp); +} +let_val(val) ::= CALLOC LPAREN let_calloc(alloc) RPAREN. { + val = init_let_val(PSI_LET_CALLOC, alloc); +} +let_val(val) ::= let_func(func). { + val = init_let_val(PSI_LET_FUNC, func); } + %type let_calloc {let_calloc*} %destructor let_calloc {free_let_calloc($$);} let_calloc(alloc) ::= num_exp(nmemb) COMMA num_exp(size). { alloc = init_let_calloc(nmemb, size); } - -let_value(val) ::= reference(r) num_exp(exp). { - val = init_let_value(NULL, NULL, r); - val->num = exp; -} -let_value(val) ::= reference(r) let_func(func) LPAREN impl_var(var) RPAREN. { - val = init_let_value(func, var, r); -} -let_value(val) ::= reference(r) NULL. { - val = init_let_value(NULL, NULL, r); -} - %token_class let_func_token OBJVAL ARRVAL PATHVAL STRLEN STRVAL FLOATVAL INTVAL BOOLVAL. %type let_func {let_func*} %destructor let_func {free_let_func($$);} -let_func(func) ::= let_func_token(T). { - func = init_let_func(T->type, T->text, NULL); +let_func(func) ::= let_func_token(T) LPAREN impl_var(var) RPAREN. { + func = init_let_func(T->type, T->text, var); free(T); } + %type set_stmt {set_stmt*} %destructor set_stmt {free_set_stmt($$);} set_stmt(set) ::= SET impl_var(var) EQUALS set_value(val) EOS. { @@ -478,6 +470,7 @@ free_calls(calls) ::= free_calls(calls_) COMMA free_call(call). { %destructor free_call {free_free_call($$);} free_call(call) ::= NAME(F) LPAREN decl_vars(vars) RPAREN. { call = init_free_call(F->text, vars); + free(F); } %token_class impl_type_token VOID MIXED BOOL INT FLOAT STRING ARRAY OBJECT.