moved source files into commit repository

1 files changed, 159 insertions, 0 deletions

diff --git a/src/colm.h b/src/colm.h
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index 00000000..39506cab
--- /dev/null
+++ b/src/colm.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright 2006-2018 Adrian Thurston <thurston@colm.net>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _COLM_COLM_H
+#define _COLM_COLM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct colm_data;
+struct colm_tree;
+struct colm_kid;
+struct colm_program;
+struct colm_sections;
+struct colm_tree;
+struct colm_location;
+
+struct indent_impl
+{
+	/* Indentation. */
+	int level;
+	int indent;
+};
+
+extern struct colm_sections colm_object;
+
+typedef unsigned long colm_value_t;
+typedef unsigned char colm_alph_t;
+
+struct colm_tree
+{
+	/* First four will be overlaid in other structures. */
+	short id;
+	unsigned short flags;
+	long refs;
+	struct colm_kid *child;
+
+	struct colm_data *tokdata;
+
+	/* FIXME: this needs to go somewhere else. Will do for now. */
+	unsigned short prod_num;
+};
+
+struct colm_print_args
+{
+	void *arg;
+	int comm;
+	int attr;
+	int trim;
+	struct indent_impl *indent;
+
+	void (*out)( struct colm_print_args *args, const char *data, int length );
+	void (*open_tree)( struct colm_program *prg, struct colm_tree **sp, 
+		struct colm_print_args *args, struct colm_kid *parent, struct colm_kid *kid );
+	void (*print_term)( struct colm_program *prg, struct colm_tree **sp, 
+		struct colm_print_args *args, struct colm_kid *kid );
+	void (*close_tree)( struct colm_program *prg, struct colm_tree **sp, 
+		struct colm_print_args *args, struct colm_kid *parent, struct colm_kid *kid );
+};
+
+void colm_print_null( struct colm_program *prg, struct colm_tree **sp,
+		struct colm_print_args *args, struct colm_kid *parent, struct colm_kid *kid );
+void colm_print_term_tree( struct colm_program *prg, struct colm_tree **sp,
+		struct colm_print_args *print_args, struct colm_kid *kid );
+
+struct colm_tree **colm_vm_root( struct colm_program *prg );
+struct colm_tree *colm_return_val( struct colm_program *prg );
+void colm_print_tree_args( struct colm_program *prg, struct colm_tree **sp,
+		struct colm_print_args *print_args, struct colm_tree *tree );
+
+int colm_repeat_end( struct colm_tree *tree );
+int colm_list_last( struct colm_tree *tree );
+
+struct colm_tree *colm_get_rhs_val( struct colm_program *prg, struct colm_tree *tree, int *a );
+struct colm_tree *colm_get_attr( struct colm_tree *tree, long pos );
+struct colm_tree *colm_get_global( struct colm_program *prg, long pos );
+struct colm_tree *colm_get_repeat_next( struct colm_tree *tree );
+struct colm_tree *colm_get_repeat_val( struct colm_tree *tree );
+struct colm_tree *colm_get_left_repeat_next( struct colm_tree *tree );
+struct colm_tree *colm_get_left_repeat_val( struct colm_tree *tree );
+struct colm_location *colm_find_location( struct colm_program *prg, struct colm_tree *tree );
+
+static inline const colm_alph_t *colm_alph_from_cstr( const char *cstr ) { return (const colm_alph_t*)cstr; }
+static inline const char *colm_cstr_from_alph( const colm_alph_t *alph ) { return (const char*)alph; }
+
+/* Debug realms. To turn on, pass to colm_set_debug before invocation. */
+#define COLM_DBG_BYTECODE    0x00000001
+#define COLM_DBG_PARSE       0x00000002
+#define COLM_DBG_MATCH       0x00000004
+#define COLM_DBG_COMPILE     0x00000008
+#define COLM_DBG_POOL        0x00000010
+#define COLM_DBG_PRINT       0x00000020
+#define COLM_DBG_INPUT       0x00000040
+#define COLM_DBG_SCAN        0x00000080
+
+#define COLM_RN_NEITHER 0x00
+#define COLM_RN_DATA    0x01
+#define COLM_RN_LOC     0x02
+#define COLM_RN_BOTH    0x03
+
+/*
+ * Primary Interface.
+ */
+
+/* Allocate a program. Takes program static data as arg. Normally this is
+ * &colm_object. */
+struct colm_program *colm_new_program( struct colm_sections *rtd );
+
+/* Enable debug realms for a program. */
+void colm_set_debug( struct colm_program *prg, long active_realm );
+
+/* Run a top-level colm program. */
+void colm_run_program( struct colm_program *prg, int argc, const char **argv );
+
+/* Run a top-level colm program, with argument lengths (allows binary data). */
+void colm_run_program2( struct colm_program *prg, int argc, const char **argv, const int *argl );
+
+/* Run a single exported colm function. */
+struct colm_tree *colm_run_func( struct colm_program *prg, int frame_id,
+		const char **params, int param_count );
+
+/* Delete a colm program. Clears all memory. */
+int colm_delete_program( struct colm_program *prg );
+
+/* Set the pointer to the reduce struct used. */
+void *colm_get_reduce_ctx( struct colm_program *prg );
+void colm_set_reduce_ctx( struct colm_program *prg, void *ctx );
+void colm_set_reduce_clean( struct colm_program *prg, unsigned char reduce_clean );
+
+const char *colm_error( struct colm_program *prg, int *length );
+
+const char **colm_extract_fns( struct colm_program *prg );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _COLM_COLM_H */
+