started working on parser

2011-06-20 09:31:23 +00:00
parent 121f0145fa
commit 2008bdeef1
10 changed files with 1730 additions and 891 deletions
--- a/qse/lib/stx/par.h
+++ b/qse/lib/stx/par.h
@ -0,0 +1,107 @@
+/*
+ * $Id: parser.h 118 2008-03-03 11:21:33Z baconevi $
+ */
+
+#ifndef _QSE_STX_PARSER_H_
+#define _QSE_STX_PARSER_H_
+
+#include <qse/stx/stx.h>
+#include <qse/stx/name.h>
+#include <qse/stx/token.h>
+#include <qse/bas/arr.h>
+
+enum
+{
+	QSE_STX_PARSER_ERROR_NONE,
+
+	/* system errors */
+	QSE_STX_PARSER_ERROR_INPUT_FUNC,
+	QSE_STX_PARSER_ERROR_INPUT,
+	QSE_STX_PARSER_ERROR_MEMORY,
+
+	/* lexical errors */
+	QSE_STX_PARSER_ERROR_CHAR,
+	QSE_STX_PARSER_ERROR_CHARLIT,
+	QSE_STX_PARSER_ERROR_STRLIT,
+	QSE_STX_PARSER_ERROR_LITERAL,
+
+	/* syntatic error */
+	QSE_STX_PARSER_ERROR_MESSAGE_SELECTOR,
+	QSE_STX_PARSER_ERROR_ARGUMENT_NAME,
+	QSE_STX_PARSER_ERROR_TOO_MANY_ARGUMENTS,
+
+	QSE_STX_PARSER_ERROR_PRIMITIVE_KEYWORD,
+	QSE_STX_PARSER_ERROR_PRIMITIVE_NUMBER,
+	QSE_STX_PARSER_ERROR_PRIMITIVE_NUMBER_RANGE,
+	QSE_STX_PARSER_ERROR_PRIMITIVE_NOT_CLOSED,
+
+	QSE_STX_PARSER_ERROR_TEMPORARIES_NOT_CLOSED,
+	QSE_STX_PARSER_ERROR_TOO_MANY_TEMPORARIES,
+	QSE_STX_PARSER_ERROR_PSEUDO_VARIABLE,
+	QSE_STX_PARSER_ERROR_PRIMARY,
+
+	QSE_STX_PARSER_ERROR_NO_PERIOD,
+	QSE_STX_PARSER_ERROR_NO_RPAREN,
+	QSE_STX_PARSER_ERROR_BLOCK_ARGUMENT_NAME,
+	QSE_STX_PARSER_ERROR_BLOCK_ARGUMENT_LIST,
+	QSE_STX_PARSER_ERROR_BLOCK_NOT_CLOSED,
+
+	QSE_STX_PARSER_ERROR_UNDECLARED_NAME,
+	QSE_STX_PARSER_ERROR_TOO_MANY_LITERALS
+};
+
+enum
+{
+	/* input_func cmd */
+	QSE_STX_PARSER_INPUT_OPEN,
+	QSE_STX_PARSER_INPUT_CLOSE,
+	QSE_STX_PARSER_INPUT_CONSUME,
+	QSE_STX_PARSER_INPUT_REWIND
+};
+
+typedef struct qse_stx_parser_t qse_stx_parser_t;
+
+struct qse_stx_parser_t
+{
+	qse_stx_t* stx;
+	int error_code;
+
+	qse_word_t method_class;
+	qse_stx_name_t method_name;
+
+	qse_char_t* temporaries[256]; /* TODO: different size? or dynamic? */
+	qse_word_t argument_count;
+	qse_word_t temporary_count;
+
+	qse_word_t literals[256]; /* TODO: make it a dynamic array */
+	qse_word_t literal_count;
+
+	qse_arr_t bytecode;
+
+	qse_stx_token_t token;
+	qse_cint_t curc;
+	qse_cint_t ungotc[5];
+	qse_size_t ungotc_count;
+
+	void* input_owner;
+	int (*input_func) (int cmd, void* owner, void* arg);
+
+	qse_bool_t __dynamic;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+qse_stx_parser_t* qse_stx_parser_open (qse_stx_parser_t* parser, qse_stx_t* stx);
+void qse_stx_parser_close (qse_stx_parser_t* parser);
+
+const qse_char_t* qse_stx_parser_error_string (qse_stx_parser_t* parser);
+int qse_stx_parser_parse_method (
+	qse_stx_parser_t* parser, qse_word_t method_class, void* input);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif