toolchain: replace ifc interface compiler with xpcg

xpcg is used to generate xpc interfaces

toolchain/CMakeLists.txt

@@ -14,4 +14,4 @@ add_subdirectory(
 	../kernel/tools
 	${CMAKE_CURRENT_BINARY_DIR}/kernel-tools)
 
-add_subdirectory(ifc)
+add_subdirectory(xpcg)

toolchain/ifc/CMakeLists.txt

@@ -1,7 +0,0 @@
-file(GLOB sources
-	*.c *.h
-	backend/c-mpc/*.c backend/c-mpc/*.h)
-
-add_executable(ifc ${sources})
-
-target_link_libraries(ifc Bluelib::Core Bluelib::Ds Bluelib::Cmd Bluelib::Io)

toolchain/xpcg/CMakeLists.txt

@@ -0,0 +1,7 @@
+file(GLOB sources
+	*.c *.h
+	backend/c-mpc/*.c backend/c-mpc/*.h)
+
+add_executable(xpcg ${sources})
+
+target_link_libraries(xpcg Bluelib::Core Bluelib::Ds Bluelib::Cmd Bluelib::Io)

toolchain/xpcg/backend.h

@@ -1,5 +1,5 @@
-#ifndef IFC_BACKEND_H_
-#define IFC_BACKEND_H_
+#ifndef XPCG_BACKEND_H_
+#define XPCG_BACKEND_H_
 
 struct interface_definition;
 

toolchain/xpcg/ctx.c

@@ -43,6 +43,14 @@ const struct type *ctx_get_type(struct ctx *ctx, const char *name)
 		return ctx_get_builtin_type(ctx, TYPE_HANDLE);
 	}
 
+	if (!strcmp(name, "size")) {
+		return ctx_get_builtin_type(ctx, TYPE_SIZE);
+	}
+
+	if (!strcmp(name, "buffer")) {
+		return ctx_get_builtin_type(ctx, TYPE_BUFFER);
+	}
+
 	return NULL;
 }
 

toolchain/xpcg/ctx.h

@@ -1,5 +1,5 @@
-#ifndef IFC_CTX_H_
-#define IFC_CTX_H_
+#ifndef XPCG_CTX_H_
+#define XPCG_CTX_H_
 
 #include "type.h"
 

toolchain/xpcg/file-span.h

@@ -1,5 +1,5 @@
-#ifndef IFC_FILE_SPAN_H_
-#define IFC_FILE_SPAN_H_
+#ifndef XPCG_FILE_SPAN_H_
+#define XPCG_FILE_SPAN_H_
 
 struct file_cell {
 	unsigned int c_row, c_col;

toolchain/xpcg/interface.c

@@ -6,7 +6,9 @@
 #include <stdlib.h>
 #include <string.h>
 
-struct interface_definition *interface_definition_create(const char *name)
+struct interface_definition *interface_definition_create(
+	const char *name,
+	long long id)
 {
 	struct interface_definition *out = malloc(sizeof *out);
 	if (!out) {
@@ -16,6 +18,7 @@ struct interface_definition *interface_definition_create(const char *name)
 	memset(out, 0x0, sizeof *out);
 
 	out->if_name = b_strdup(name);
+	out->if_id = id;
 
 	return out;
 }

toolchain/xpcg/interface.h

@@ -1,5 +1,5 @@
-#ifndef IFC_INTERFACE_H_
-#define IFC_INTERFACE_H_
+#ifndef XPCG_INTERFACE_H_
+#define XPCG_INTERFACE_H_
 
 #include <blue/core/queue.h>
 
@@ -7,11 +7,13 @@ struct msg_definition;
 
 struct interface_definition {
 	char *if_name;
+	long long if_id;
 	b_queue if_msg;
 };
 
 extern struct interface_definition *interface_definition_create(
-	const char *name);
+	const char *name,
+	long long id);
 extern void interface_definition_destroy(struct interface_definition *iface);
 
 extern bool interface_definition_has_msg(

toolchain/xpcg/lex.c

@@ -29,18 +29,21 @@
 static struct lex_token_def symbols[] = {
 	LEX_TOKEN_DEF(SYM_COMMA, ","),
 	LEX_TOKEN_DEF(SYM_HYPHEN, "-"),
+	LEX_TOKEN_DEF(SYM_LEFT_BRACKET, "["),
+	LEX_TOKEN_DEF(SYM_RIGHT_BRACKET, "]"),
 	LEX_TOKEN_DEF(SYM_LEFT_BRACE, "{"),
 	LEX_TOKEN_DEF(SYM_RIGHT_BRACE, "}"),
 	LEX_TOKEN_DEF(SYM_LEFT_PAREN, "("),
 	LEX_TOKEN_DEF(SYM_RIGHT_PAREN, ")"),
 	LEX_TOKEN_DEF(SYM_SEMICOLON, ";"),
+	LEX_TOKEN_DEF(SYM_COLON, ":"),
 	LEX_TOKEN_DEF(SYM_HYPHEN_RIGHT_ANGLE, "->"),
 };
 static const size_t nr_symbols = sizeof symbols / sizeof symbols[0];
 
 static struct lex_token_def keywords[] = {
 	LEX_TOKEN_DEF(KW_INTERFACE, "interface"),
-	LEX_TOKEN_DEF(KW_MSG, "msg"),
+	LEX_TOKEN_DEF(KW_FUNC, "func"),
 };
 static const size_t nr_keywords = sizeof keywords / sizeof keywords[0];
 

toolchain/xpcg/lex.h

@@ -1,5 +1,5 @@
-#ifndef IFC_LEX_H_
-#define IFC_LEX_H_
+#ifndef XPCG_LEX_H_
+#define XPCG_LEX_H_
 
 #include "status.h"
 #include "token.h"

toolchain/xpcg/main.c

@@ -64,7 +64,10 @@ static void print_interface(struct interface_definition *iface)
 	}
 }
 
-static int ifc(const b_command *self, const b_arglist *opt, const b_array *args)
+static int xpcg(
+	const b_command *self,
+	const b_arglist *opt,
+	const b_array *args)
 {
 	const char *path = NULL;
 	b_arglist_get_string(opt, B_COMMAND_INVALID_ID, ARG_SRCPATH, 0, &path);
@@ -132,10 +135,10 @@ static int ifc(const b_command *self, const b_arglist *opt, const b_array *args)
 
 B_COMMAND(CMD_ID, B_COMMAND_INVALID_ID)
 {
-	B_COMMAND_NAME("ifc");
-	B_COMMAND_DESC("interface definition compiler.");
+	B_COMMAND_NAME("xpcg");
+	B_COMMAND_DESC("xpc interface generator.");
 	B_COMMAND_FLAGS(B_COMMAND_SHOW_HELP_BY_DEFAULT);
-	B_COMMAND_FUNCTION(ifc);
+	B_COMMAND_FUNCTION(xpcg);
 	B_COMMAND_HELP_OPTION();
 
 	B_COMMAND_ARG(ARG_SRCPATH)

toolchain/xpcg/msg.c

@@ -4,7 +4,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-struct msg_definition *msg_definition_create(const char *name)
+struct msg_definition *msg_definition_create(const char *name, long long id)
 {
 	struct msg_definition *out = malloc(sizeof *out);
 	if (!out) {
@@ -14,6 +14,7 @@ struct msg_definition *msg_definition_create(const char *name)
 	memset(out, 0x0, sizeof *out);
 
 	out->msg_name = b_strdup(name);
+	out->msg_id = id;
 
 	return out;
 }

toolchain/xpcg/msg.h

@@ -1,5 +1,5 @@
-#ifndef IFC_MSG_H_
-#define IFC_MSG_H_
+#ifndef XPCG_MSG_H_
+#define XPCG_MSG_H_
 
 #include <blue/core/queue.h>
 
@@ -13,13 +13,16 @@ struct msg_parameter {
 
 struct msg_definition {
 	char *msg_name;
+	long long msg_id;
 	b_queue_entry msg_entry;
 
 	b_queue msg_params;
 	b_queue msg_results;
 };
 
-extern struct msg_definition *msg_definition_create(const char *name);
+extern struct msg_definition *msg_definition_create(
+	const char *name,
+	long long id);
 extern void msg_definition_destroy(struct msg_definition *msg);
 
 extern bool msg_definition_has_param(

toolchain/xpcg/parse.c

@@ -48,26 +48,55 @@ static bool parse_word(struct lex *lex, char **out)
 	return true;
 }
 
+static bool parse_int(struct lex *lex, long long *out)
+{
+	struct token *tok = lex_peek(lex);
+	if (!tok || tok->tok_type != TOK_INT) {
+		return false;
+	}
+
+	*out = tok->tok_int;
+	lex_advance(lex);
+	return true;
+}
+
 struct msg_definition *parse_msg_definition(struct ctx *ctx, struct lex *lex)
 {
 	struct msg_definition *msg = NULL;
 
-	if (!parse_keyword(lex, KW_MSG)) {
-		report_error("expected `msg` keyword\n");
+	if (!parse_keyword(lex, KW_FUNC)) {
+		report_error("expected `func` keyword\n");
 		goto fail;
 	}
 
 	char *msg_name = NULL;
 	if (!parse_word(lex, &msg_name)) {
-		report_error("expected message identifier\n");
+		report_error("expected function identifier\n");
 		goto fail;
 	}
 
-	msg = msg_definition_create(msg_name);
+	long long msg_id = 0;
+	if (!parse_symbol(lex, SYM_LEFT_BRACKET)) {
+		report_error("expected `[` after function identifier\n");
+		goto fail;
+	}
+
+	if (!parse_int(lex, &msg_id)) {
+		report_error("expected function id number after `[`\n");
+		goto fail;
+	}
+
+	if (!parse_symbol(lex, SYM_RIGHT_BRACKET)) {
+		report_error("expected `]` after function id number\n");
+		goto fail;
+	}
+
+	msg = msg_definition_create(msg_name, msg_id);
 	free(msg_name);
 
 	if (!parse_symbol(lex, SYM_LEFT_PAREN)) {
-		report_error("expected `(` after message identifier\n");
+		report_error(
+			"expected `(` after function id number specifier\n");
 		goto fail;
 	}
 
@@ -79,14 +108,31 @@ struct msg_definition *parse_msg_definition(struct ctx *ctx, struct lex *lex)
 		}
 
 		if (i > 0 && !parse_symbol(lex, SYM_COMMA)) {
-			report_error("expected `,` after message parameter\n");
+			report_error(
+				"expected `,` after function "
+				"parameter\n");
+			ok = false;
+			break;
+		}
+
+		char *param_name;
+		if (!parse_word(lex, &param_name)) {
+			report_error("expected function parameter name\n");
+			ok = false;
+			break;
+		}
+
+		if (!parse_symbol(lex, SYM_COLON)) {
+			report_error(
+				"expected `:` after function parameter "
+				"name\n");
 			ok = false;
 			break;
 		}
 
 		char *type_name;
 		if (!parse_word(lex, &type_name)) {
-			report_error("expected message parameter type\n");
+			report_error("expected function parameter type\n");
 			ok = false;
 			break;
 		}
@@ -94,7 +140,7 @@ struct msg_definition *parse_msg_definition(struct ctx *ctx, struct lex *lex)
 		const struct type *type = ctx_get_type(ctx, type_name);
 		if (!type) {
 			report_error(
-				"message parameter has unknown type "
+				"function parameter has unknown type "
 				"'%s'\n",
 				type_name);
 			free(type_name);
@@ -104,19 +150,13 @@ struct msg_definition *parse_msg_definition(struct ctx *ctx, struct lex *lex)
 
 		free(type_name);
 
-		char *param_name;
-		if (!parse_word(lex, &param_name)) {
-			report_error("expected message parameter name\n");
-			ok = false;
-			break;
-		}
-
 		bool duplicate = msg_definition_has_param(msg, param_name)
 		              || msg_definition_has_result(msg, param_name);
 		if (duplicate) {
 			free(param_name);
 			report_error(
-				"message has multiple parameters/results with "
+				"function has multiple "
+				"parameters/results with "
 				"name '%s'\n",
 				param_name);
 			ok = false;
@@ -133,12 +173,14 @@ struct msg_definition *parse_msg_definition(struct ctx *ctx, struct lex *lex)
 	}
 
 	if (!parse_symbol(lex, SYM_HYPHEN_RIGHT_ANGLE)) {
-		report_error("expected `->` after message parameter list\n");
+		report_error(
+			"expected `->` after function parameter "
+			"list\n");
 		goto fail;
 	}
 
 	if (!parse_symbol(lex, SYM_LEFT_PAREN)) {
-		report_error("expected `(` for message results list\n");
+		report_error("expected `(` for function results list\n");
 		goto fail;
 	}
 
@@ -150,14 +192,30 @@ struct msg_definition *parse_msg_definition(struct ctx *ctx, struct lex *lex)
 
 		if (i > 0 && !parse_symbol(lex, SYM_COMMA)) {
 			report_error(
-				"expected `,` or `)` after message result\n");
+				"expected `,` or `)` after function "
+				"result\n");
+			ok = false;
+			break;
+		}
+
+		char *result_name;
+		if (!parse_word(lex, &result_name)) {
+			report_error("expected function parameter name\n");
+			ok = false;
+			break;
+		}
+
+		if (!parse_symbol(lex, SYM_COLON)) {
+			report_error(
+				"expected `:` after function result "
+				"name\n");
 			ok = false;
 			break;
 		}
 
 		char *type_name;
 		if (!parse_word(lex, &type_name)) {
-			report_error("expected message result type\n");
+			report_error("expected function result type\n");
 			ok = false;
 			break;
 		}
@@ -165,7 +223,7 @@ struct msg_definition *parse_msg_definition(struct ctx *ctx, struct lex *lex)
 		const struct type *type = ctx_get_type(ctx, type_name);
 		if (!type) {
 			report_error(
-				"message result has unknown type "
+				"function result has unknown type "
 				"'%s'\n",
 				type_name);
 			free(type_name);
@@ -174,18 +232,12 @@ struct msg_definition *parse_msg_definition(struct ctx *ctx, struct lex *lex)
 		}
 		free(type_name);
 
-		char *result_name;
-		if (!parse_word(lex, &result_name)) {
-			report_error("expected message parameter name\n");
-			ok = false;
-			break;
-		}
-
 		bool duplicate = msg_definition_has_param(msg, result_name)
 		              || msg_definition_has_result(msg, result_name);
 		if (duplicate) {
 			report_error(
-				"message has multiple parameters/results with "
+				"function has multiple "
+				"parameters/results with "
 				"name '%s'\n",
 				result_name);
 			free(result_name);
@@ -199,7 +251,7 @@ struct msg_definition *parse_msg_definition(struct ctx *ctx, struct lex *lex)
 	}
 
 	if (!parse_symbol(lex, SYM_SEMICOLON)) {
-		report_error("expected `;` after message definition\n");
+		report_error("expected `;` after function definition\n");
 		goto fail;
 	}
 
@@ -226,29 +278,35 @@ struct interface_definition *parse_interface_definition(
 
 	char *if_name = NULL;
 	if (!parse_word(lex, &if_name)) {
-		report_error("expected interface identifier");
+		report_error("expected interface name");
 		goto fail;
 	}
 
-	iface = interface_definition_create(if_name);
+	long long if_id = 0;
+	if (!parse_int(lex, &if_id)) {
+		report_error("expected interface id number");
+		goto fail;
+	}
+
+	if (!parse_symbol(lex, SYM_SEMICOLON)) {
+		report_error("expected `;` after interface definition");
+		goto fail;
+	}
+
+	iface = interface_definition_create(if_name, if_id);
 	free(if_name);
 	if (!iface) {
 		goto fail;
 	}
 
-	if (!parse_symbol(lex, SYM_LEFT_BRACE)) {
-		report_error("expected `{` after interface identifier");
-		goto fail;
-	}
-
 	bool ok = true;
 
 	while (ok) {
-		if (parse_symbol(lex, SYM_RIGHT_BRACE)) {
+		if (!lex_peek(lex) && lex_get_status(lex) == ERR_EOF) {
 			break;
 		}
 
-		if (peek_keyword(lex, KW_MSG)) {
+		if (peek_keyword(lex, KW_FUNC)) {
 			struct msg_definition *msg
 				= parse_msg_definition(ctx, lex);
 			if (!msg) {
@@ -268,7 +326,7 @@ struct interface_definition *parse_interface_definition(
 			continue;
 		}
 
-		report_error("expected `}` or message definition\n");
+		report_error("expected eof or function definition\n");
 		ok = false;
 		break;
 	}

toolchain/xpcg/parse.h

@@ -1,5 +1,5 @@
-#ifndef IFC_PARSE_H_
-#define IFC_PARSE_H_
+#ifndef XPCG_PARSE_H_
+#define XPCG_PARSE_H_
 
 struct ctx;
 struct lex;

toolchain/xpcg/status.h

@@ -1,5 +1,5 @@
-#ifndef IFC_STATUS_H_
-#define IFC_STATUS_H_
+#ifndef XPCG_STATUS_H_
+#define XPCG_STATUS_H_
 
 enum status {
 	SUCCESS = 0,

toolchain/xpcg/token.c

@@ -40,6 +40,7 @@ const char *token_symbol_to_string(enum token_symbol sym)
 		ENUM_STR(SYM_NONE);
 		ENUM_STR(SYM_COMMA);
 		ENUM_STR(SYM_SEMICOLON);
+		ENUM_STR(SYM_COLON);
 		ENUM_STR(SYM_HYPHEN);
 		ENUM_STR(SYM_LEFT_BRACE);
 		ENUM_STR(SYM_RIGHT_BRACE);
@@ -56,7 +57,7 @@ const char *token_keyword_to_string(enum token_keyword kw)
 	switch (kw) {
 		ENUM_STR(KW_NONE);
 		ENUM_STR(KW_INTERFACE);
-		ENUM_STR(KW_MSG);
+		ENUM_STR(KW_FUNC);
 	default:
 		return "";
 	}

toolchain/xpcg/token.h

@@ -1,5 +1,5 @@
-#ifndef IFC_TOKEN_H_
-#define IFC_TOKEN_H_
+#ifndef XPCG_TOKEN_H_
+#define XPCG_TOKEN_H_
 
 #include "file-span.h"
 
@@ -34,6 +34,9 @@ enum token_symbol {
 	SYM_COMMA = __TOK_UBOUND,
 	SYM_HYPHEN,
 	SYM_SEMICOLON,
+	SYM_COLON,
+	SYM_LEFT_BRACKET,
+	SYM_RIGHT_BRACKET,
 	SYM_LEFT_BRACE,
 	SYM_RIGHT_BRACE,
 	SYM_LEFT_PAREN,
@@ -45,7 +48,7 @@ enum token_symbol {
 enum token_keyword {
 	KW_NONE = 0,
 	KW_INTERFACE = __SYM_UBOUND,
-	KW_MSG,
+	KW_FUNC,
 };
 
 struct token {

toolchain/xpcg/type.c

@@ -11,6 +11,12 @@ void type_print(const struct type *ty)
 	case TYPE_STRING:
 		printf("string");
 		break;
+	case TYPE_SIZE:
+		printf("size");
+		break;
+	case TYPE_BUFFER:
+		printf("buffer");
+		break;
 	case TYPE_HANDLE:
 		printf("handle");
 		break;

toolchain/xpcg/type.h

@@ -1,10 +1,12 @@
-#ifndef IFC_TYPE_H_
-#define IFC_TYPE_H_
+#ifndef XPCG_TYPE_H_
+#define XPCG_TYPE_H_
 
 enum type_id {
 	TYPE_NONE,
 	TYPE_INT,
+	TYPE_SIZE,
 	TYPE_STRING,
+	TYPE_BUFFER,
 	TYPE_HANDLE,
 	TYPE_OTHER,
 };