Merge pull request #806 from Rangi42/tables

Verify data table sizes with table_width and assert_table_length macros

1 files changed, 58 insertions, 0 deletions

diff --git a/macros/asserts.asm b/macros/asserts.asm
new file mode 100644
index 000000000..306fc4c34
--- /dev/null
+++ b/macros/asserts.asm
@@ -0,0 +1,58 @@
+; Macros to verify assumptions about the data or code
+
+table_width: MACRO
+CURRENT_TABLE_WIDTH = \1
+if DEF(CURRENT_TABLE_START)
+PURGE CURRENT_TABLE_START
+endc
+if _NARG == 2
+CURRENT_TABLE_START EQUS "\2"
+else
+CURRENT_TABLE_START EQUS "._table_width\@"
+CURRENT_TABLE_START:
+endc
+ENDM
+
+assert_table_length: MACRO
+x = \1
+	assert x * CURRENT_TABLE_WIDTH == @ - CURRENT_TABLE_START, \
+		"{CURRENT_TABLE_START}: expected {d:x} entries, each {d:CURRENT_TABLE_WIDTH} bytes"
+ENDM
+
+def_grass_wildmons: MACRO
+;\1: map id
+if DEF(CURRENT_GRASS_WILDMONS_MAP)
+PURGE CURRENT_GRASS_WILDMONS_MAP
+endc
+if DEF(CURRENT_GRASS_WILDMONS_LABEL)
+PURGE CURRENT_GRASS_WILDMONS_LABEL
+endc
+CURRENT_GRASS_WILDMONS_MAP EQUS "\1"
+CURRENT_GRASS_WILDMONS_LABEL EQUS "._def_grass_wildmons_\1"
+CURRENT_GRASS_WILDMONS_LABEL:
+	map_id \1
+ENDM
+
+end_grass_wildmons: MACRO
+	assert GRASS_WILDDATA_LENGTH == @ - CURRENT_GRASS_WILDMONS_LABEL, \
+		"def_grass_wildmons {CURRENT_GRASS_WILDMONS_MAP}: expected {d:GRASS_WILDDATA_LENGTH} bytes"
+ENDM
+
+def_water_wildmons: MACRO
+;\1: map id
+if DEF(CURRENT_WATER_WILDMONS_MAP)
+PURGE CURRENT_WATER_WILDMONS_MAP
+endc
+if DEF(CURRENT_WATER_WILDMONS_LABEL)
+PURGE CURRENT_WATER_WILDMONS_LABEL
+endc
+CURRENT_WATER_WILDMONS_MAP EQUS "\1"
+CURRENT_WATER_WILDMONS_LABEL EQUS "._def_water_wildmons_\1"
+CURRENT_WATER_WILDMONS_LABEL:
+	map_id \1
+ENDM
+
+end_water_wildmons: MACRO
+	assert WATER_WILDDATA_LENGTH == @ - CURRENT_WATER_WILDMONS_LABEL, \
+		"def_water_wildmons {CURRENT_WATER_WILDMONS_MAP}: expected {d:WATER_WILDDATA_LENGTH} bytes"
+ENDM