X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fparser_proc.y;h=a189a885081ccf54fafed87e1813bb9fd5082847;hp=66946ca1274bfb6991e1fcf51bbf6eb24d5e1173;hb=d9a7378b795f32b91e110bd163c019aa30e79084;hpb=f1a387482a9270a34ae684109ad8be7c104148d6

diff --git a/src/parser_proc.y b/src/parser_proc.y
index 66946ca..a189a88 100644
--- a/src/parser_proc.y
+++ b/src/parser_proc.y
@@ -11,11 +11,15 @@
 %token_prefix PSI_T_
 %token_type {PSI_Token *}
 %token_destructor {free($$);}
+%default_destructor {(void)P;}
 %extra_argument {PSI_Parser *P}
 /* TOKEN is defined inside syntax_error */
 %syntax_error {
-	PSI_ParserSyntaxError(P, P->fn, P->line, "Unexpected token '%s'.\n", TOKEN->text);
+	PSI_ParserSyntaxError(P, P->psi.file.fn, P->line, "Unexpected token '%s'", TOKEN->text);
 }
+
+%nonassoc NAME.
+
 file ::= blocks.
 
 blocks ::= block.
@@ -24,10 +28,10 @@ blocks ::= blocks block.
 block ::= COMMENT.
 
 block ::= LIB(T) QUOTED_STRING(libname) EOS. {
-	if (P->lib) {
-		PSI_ParserSyntaxError(P, P->fn, T->line, "Extra 'lib %s' statement has no effect.\n", libname->text);
+	if (P->psi.file.ln) {
+		PSI_ParserSyntaxError(P, P->psi.file.ln, T->line, "Extra 'lib %s' statement has no effect", libname->text);
 	} else {
-		P->lib = strndup(libname->text + 1, libname->size - 2);
+		P->psi.file.ln = strndup(libname->text + 1, libname->size - 2);
 	}
 	free(libname);
 	free(T);
@@ -41,35 +45,103 @@ block ::= impl(impl). {
 }
 block ::= decl_typedef(def). {
 	P->defs = add_decl_typedef(P->defs, def);
+	if (def->type->strct) {
+		P->structs = add_decl_struct(P->structs, def->type->strct);
+	}
+}
+block ::= constant(constant). {
+	P->consts = add_constant(P->consts, constant);
+}
+block ::= decl_struct(strct). {
+	P->structs = add_decl_struct(P->structs, strct);
+}
+
+%type decl_struct {decl_struct*}
+%destructor decl_struct {free_decl_struct($$);}
+decl_struct(strct) ::= STRUCT NAME(N) LBRACE struct_args(args) RBRACE. {
+	strct = init_decl_struct(N->text, args);
+	free(N);
+}
+
+%type const_type {const_type*}
+%destructor const_type {free_const_type($$);}
+const_type(type_) ::= BOOL(T). {
+	type_ = init_const_type(T->type, T->text);
+	free(T);
+}
+const_type(type_) ::= INT(T). {
+	type_ = init_const_type(T->type, T->text);
+	free(T);
+}
+const_type(type_) ::= FLOAT(T). {
+	type_ = init_const_type(T->type, T->text);
+	free(T);
+}
+const_type(type_) ::= STRING(T). {
+	type_ = init_const_type(T->type, T->text);
+	free(T);
+}
+%type constant {constant*}
+%destructor constant {free_constant($$);}
+constant(constant) ::= CONST const_type(type) NSNAME(T) EQUALS impl_def_val(val) EOS. {
+	constant = init_constant(type, T->text, val);
+	free(T);
 }
 
 %type decl_typedef {decl_typedef*}
-decl_typedef(def) ::= TYPEDEF NAME(ALIAS) decl_type(type) EOS. {
+%destructor decl_typedef {free_decl_typedef($$);}
+decl_typedef(def) ::= TYPEDEF decl_type(type) NAME(ALIAS) EOS. {
 	def = init_decl_typedef(ALIAS->text, type);
 	free(ALIAS);
 }
+decl_typedef(def) ::= TYPEDEF STRUCT(S) NAME(N) NAME(ALIAS) EOS. {
+	def = init_decl_typedef(ALIAS->text, init_decl_type(S->type, N->text));
+	free(ALIAS);
+	free(S);
+	free(N);
+}
+decl_typedef(def) ::= TYPEDEF decl_struct(s) NAME(ALIAS) EOS. {
+	def = init_decl_typedef(ALIAS->text, init_decl_type(PSI_T_STRUCT, s->name));
+	def->type->strct = s;
+	free(ALIAS);
+}
 
 %type decl {decl*}
+%destructor decl {free_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*}
+%destructor decl_abi {free_decl_abi($$);}
 decl_abi(abi) ::= NAME(T). {
 	abi = init_decl_abi(T->text);
+	free(T);
 }
 
 %type decl_var {decl_var*}
+%destructor decl_var {free_decl_var($$);}
 decl_var(var) ::= NAME(T). {
-	var = init_decl_var(T->text, 0);
+	var = init_decl_var(T->text, 0, 0);
 	free(T);
 }
 decl_var(var) ::= pointers(p) NAME(T). {
-	var = init_decl_var(T->text, p);
+	var = init_decl_var(T->text, p, 0);
+	free(T);
+}
+decl_var(var) ::= NAME(T) LBRACKET NUMBER(D) RBRACKET. {
+	var = init_decl_var(T->text, 1, atol(D->text));
+	free(T);
+	free(D);
+}
+decl_var(var) ::= pointers(p) NAME(T) LBRACKET NUMBER(D) RBRACKET. {
+	var = init_decl_var(T->text, p+1, atol(D->text));
 	free(T);
+	free(D);
 }
 
 %type decl_vars {decl_vars*}
+%destructor decl_vars {free_decl_vars($$);}
 decl_vars(vars) ::= decl_var(var). {
 	vars = init_decl_vars(var);
 }
@@ -78,27 +150,35 @@ decl_vars(vars) ::= decl_vars(vars_) COMMA decl_var(var). {
 }
 
 %type decl_arg {decl_arg*}
-decl_arg(arg) ::= decl_type(type) decl_var(var). {
-	arg = init_decl_arg(type, var);
+%destructor decl_arg {free_decl_arg($$);}
+decl_arg(arg_) ::= decl_type(type) decl_var(var). {
+	arg_ = var->arg = init_decl_arg(type, var);
 }
 
 %type decl_args {decl_args*}
+%destructor decl_args {free_decl_args($$);}
+decl_args ::= VOID.
 decl_args(args) ::= decl_arg(arg). {
 	args = init_decl_args(arg);
 }
 decl_args(args) ::= decl_args(args_) COMMA decl_arg(arg). {
 	args = add_decl_arg(args_, arg);
 }
+%type struct_args {decl_args*}
+%destructor struct_args {free_decl_args($$);}
+struct_args(args) ::= decl_arg(arg) EOS. {
+	args = init_decl_args(arg);
+}
+struct_args(args) ::= struct_args(args_) decl_arg(arg) EOS. {
+	args = add_decl_arg(args_, arg);
+}
 
 %type decl_type {decl_type*}
+%destructor decl_type {free_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);
@@ -107,7 +187,12 @@ decl_type(type_) ::= DOUBLE(T). {
 	type_ = init_decl_type(T->type, T->text);
 	free(T);
 }
-decl_type(type_) ::= SINT8(T). {
+/* we have to support plain int here because we have it in our lexer rules */
+decl_type(type_) ::= INT(T). {
+	type_ = init_decl_type(PSI_T_NAME, T->text);
+	free(T);
+}
+decl_type(type_) ::= INT8(T). {
 	type_ = init_decl_type(T->type, T->text);
 	free(T);
 }
@@ -115,7 +200,7 @@ decl_type(type_) ::= UINT8(T). {
 	type_ = init_decl_type(T->type, T->text);
 	free(T);
 }
-decl_type(type_) ::= SINT16(T). {
+decl_type(type_) ::= INT16(T). {
 	type_ = init_decl_type(T->type, T->text);
 	free(T);
 }
@@ -123,7 +208,7 @@ decl_type(type_) ::= UINT16(T). {
 	type_ = init_decl_type(T->type, T->text);
 	free(T);
 }
-decl_type(type_) ::= SINT32(T). {
+decl_type(type_) ::= INT32(T). {
 	type_ = init_decl_type(T->type, T->text);
 	free(T);
 }
@@ -131,7 +216,7 @@ decl_type(type_) ::= UINT32(T). {
 	type_ = init_decl_type(T->type, T->text);
 	free(T);
 }
-decl_type(type_) ::= SINT64(T). {
+decl_type(type_) ::= INT64(T). {
 	type_ = init_decl_type(T->type, T->text);
 	free(T);
 }
@@ -143,40 +228,54 @@ decl_type(type_) ::= NAME(T). {
 	type_ = init_decl_type(T->type, T->text);
 	free(T);
 }
+decl_type(type_) ::= STRUCT(S) NAME(T). {
+	type_ = init_decl_type(S->type, T->text);
+	free(S);
+	free(T);
+}
 
 %type impl {impl*}
+%destructor impl {free_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);
+%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 NSNAME(NAME) LPAREN RPAREN COLON impl_type(type). {
-	func = init_impl_func(NAME->text, NULL, type);
+impl_func(func) ::= FUNCTION REFERENCE NSNAME(NAME) impl_args(args) COLON impl_type(type). {
+	func = init_impl_func(NAME->text, args, type, 1);
 	free(NAME);
 }
 
 %type impl_def_val {impl_def_val*}
+%destructor impl_def_val {free_impl_def_val($$);}
 impl_def_val(def) ::= NULL(T). {
-	def = init_impl_def_val(T);
+	def = init_impl_def_val(T->type, T->text);
+	free(T);
 }
 impl_def_val(def) ::= NUMBER(T). {
-	def = init_impl_def_val(T);
+	def = init_impl_def_val(T->type, T->text);
+	free(T);
 }
 impl_def_val(def) ::= TRUE(T). {
-	def = init_impl_def_val(T);
+	def = init_impl_def_val(T->type, T->text);
+	free(T);
 }
 impl_def_val(def) ::= FALSE(T). {
-	def = init_impl_def_val(T);
+	def = init_impl_def_val(T->type, T->text);
+	free(T);
 }
 impl_def_val(def) ::= QUOTED_STRING(T). {
-	def = init_impl_def_val(T);
+	def = init_impl_def_val(T->type, T->text);
+	free(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);
@@ -187,6 +286,7 @@ impl_var(var) ::= REFERENCE DOLLAR NAME(T). {
 }
 
 %type impl_arg {impl_arg*}
+%destructor impl_arg {free_impl_arg($$);}
 impl_arg(arg) ::= impl_type(type) impl_var(var). {
 	arg = init_impl_arg(type, var, NULL);
 }
@@ -195,14 +295,24 @@ impl_arg(arg) ::= impl_type(type) impl_var(var) EQUALS impl_def_val(def). {
 }
 
 %type impl_args {impl_args*}
-impl_args(args) ::= impl_arg(arg). {
+%destructor impl_args {free_impl_args($$);}
+impl_args(args) ::= LPAREN RPAREN. {
+	args = NULL;
+}
+impl_args(args) ::= LPAREN impl_arg_list(args_) RPAREN. {
+	args = args_;
+}
+%type impl_arg_list {impl_args*}
+%destructor impl_arg_list {free_impl_args($$);}
+impl_arg_list(args) ::= impl_arg(arg). {
 	args = init_impl_args(arg);
 }
-impl_args(args) ::= impl_args(args_) COMMA impl_arg(arg). {
+impl_arg_list(args) ::= impl_arg_list(args_) COMMA impl_arg(arg). {
 	args = add_impl_arg(args_, arg);
 }
 
 %type impl_stmts {impl_stmts*}
+%destructor impl_stmts {free_impl_stmts($$);}
 impl_stmts(stmts) ::= impl_stmt(stmt). {
 	stmts = init_impl_stmts(stmt);
 }
@@ -211,25 +321,48 @@ impl_stmts(stmts) ::= impl_stmts(stmts_) impl_stmt(stmt). {
 }
 
 %type impl_stmt {impl_stmt*}
+%destructor impl_stmt {free_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);
+impl_stmt(stmt) ::= return_stmt(ret). {
+	stmt = init_impl_stmt(PSI_T_RETURN, ret);
+}
+impl_stmt(stmt) ::= free_stmt(free). {
+	stmt = init_impl_stmt(PSI_T_FREE, free);
 }
 
 %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_stmt(let) ::= LET decl_var(var) EQUALS let_value(val) EOS. {
 	let = init_let_stmt(var, val);
 }
 
 %type let_value {let_value*}
+%destructor let_value {free_let_value($$);}
+let_value(val) ::= CALLOC(F) LPAREN NUMBER(N) COMMA decl_type(t) RPAREN. {
+	val = init_let_value(
+		init_let_func(F->type, F->text,
+			init_let_calloc(
+				atol(N->text), t
+			)
+		), NULL, 0
+	);
+	free(F);
+	free(N);
+}
 let_value(val) ::= let_func(func) LPAREN impl_var(var) RPAREN. {
 	val = init_let_value(func, var, 0);
 }
+let_value(val) ::= REFERENCE let_func(func) LPAREN impl_var(var) RPAREN. {
+	val = init_let_value(func, var, 1);
+}
 let_value(val) ::= REFERENCE NULL. {
 	val = init_let_value(NULL, NULL, 1);
 }
@@ -238,38 +371,63 @@ let_value(val) ::= NULL. {
 }
 
 %type let_func {let_func*}
+%destructor let_func {free_let_func($$);}
 let_func(func) ::= STRLEN(T). {
-	func = init_let_func(T->type, T->text);
+	func = init_let_func(T->type, T->text, NULL);
 	free(T);
 }
 let_func(func) ::= STRVAL(T). {
-	func = init_let_func(T->type, T->text);
+	func = init_let_func(T->type, T->text, NULL);
 	free(T);
 }
 let_func(func) ::= INTVAL(T). {
-	func = init_let_func(T->type, T->text);
+	func = init_let_func(T->type, T->text, NULL);
 	free(T);
 }
 let_func(func) ::= FLOATVAL(T). {
-	func = init_let_func(T->type, T->text);
+	func = init_let_func(T->type, T->text, NULL);
 	free(T);
 }
 let_func(func) ::= BOOLVAL(T). {
-	func = init_let_func(T->type, T->text);
+	func = init_let_func(T->type, T->text, NULL);
+	free(T);
+}
+let_func(func) ::= ARRVAL(T). {
+	func = init_let_func(T->type, T->text, NULL);
 	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. {
 	set = init_set_stmt(var, val);
 }
 
 %type set_value {set_value*}
+%destructor set_value {free_set_value($$);}
 set_value(val) ::= set_func(func) LPAREN decl_vars(vars) RPAREN. {
 	val = init_set_value(func, vars);
 }
+set_value(val) ::= set_func(func_) LPAREN decl_vars(vars_) COMMA set_vals(vals) RPAREN. {
+	val = vals;
+	val->func = func_;
+	val->vars = vars_;
+}
+%type set_vals {set_value*}
+%destructor set_vals {free_set_value($$);}
+set_vals(vals) ::= set_value(val). {
+	vals = add_inner_set_value(init_set_value(NULL, NULL), val);
+}
+set_vals(vals) ::= set_vals(vals_) COMMA set_value(val). {
+	vals = add_inner_set_value(vals_, val);
+}
 
 %type set_func {set_func*}
+%destructor set_func {free_set_func($$);}
+set_func(func) ::= TO_ARRAY(T). {
+	func = init_set_func(T->type, T->text);
+	free(T);
+}
 set_func(func) ::= TO_STRING(T). {
 	func = init_set_func(T->type, T->text);
 	free(T);
@@ -286,13 +444,25 @@ set_func(func) ::= TO_BOOL(T). {
 	func = init_set_func(T->type, T->text);
 	free(T);
 }
+set_func(func) ::= VOID(T). {
+	func = init_set_func(T->type, T->text);
+	free(T);
+}
+
+%type return_stmt {return_stmt*}
+%destructor return_stmt {free_return_stmt($$);}
+return_stmt(ret) ::= RETURN set_value(val) EOS. {
+	ret = init_return_stmt(val);
+}
 
-%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 free_stmt {free_stmt*}
+%destructor free_stmt {free_free_stmt($$);}
+free_stmt(free) ::= FREE decl_vars(vars) EOS. {
+	free = init_free_stmt(vars);
 }
 
 %type impl_type {impl_type*}
+%destructor impl_type {free_impl_type($$);}
 impl_type(type_) ::= VOID(T). {
 	type_ = init_impl_type(T->type, T->text);
 	free(T);
@@ -324,4 +494,4 @@ impl_type(type_) ::= ARRAY(T). {
 
 %type pointers {unsigned}
 pointers(p) ::= POINTER. {++p;}
-pointers(p) ::= pointers(P) POINTER. {p = ++P;}
+pointers(p) ::= pointers(P) POINTER. {p = P+1;}