Implement warning diagnostic flags for RGBFIX (#1766)

* Implement warning diagnostic flags for RGBFIX

* `-m/--mbc-type help` prints to stdout

* Support `-m list` as well as `-m help`

* Make invalid `rgbfix -l` characters a fatal error, like other invalid CLI arguments

* Refactor fix/main.cpp into multiple files

contrib/bash_compl/_rgbasm.bash

@@ -24,13 +24,13 @@ _rgbasm_completions() {
 	# Empty long opt = it doesn't exit
 	# See the `state` variable below for info about `state_after`
 	declare -A opts=(
-		[V]="version:normal"
 		[h]="help:normal"
-		[E]="export-all:normal"
-		[v]="verbose:normal"
+		[V]="version:normal"
+		[W]="warning:warning"
 		[w]=":normal"
 		[b]="binary-digits:unk"
 		[D]="define:unk"
+		[E]="export-all:normal"
 		[g]="gfx-chars:unk"
 		[I]="include:dir"
 		[M]="dependfile:glob-*.mk *.d"
@@ -40,7 +40,7 @@ _rgbasm_completions() {
 		[Q]="q-precision:unk"
 		[r]="recursion-depth:unk"
 		[s]="state:unk"
-		[W]="warning:warning"
+		[v]="verbose:normal"
 		[X]="max-errors:unk"
 	)
 	# Parse command-line up to current word

contrib/bash_compl/_rgbfix.bash

@@ -7,15 +7,15 @@ _rgbfix_completions() {
 	# Empty long opt = it doesn't exit
 	# See the `state` variable below for info about `state_after`
 	declare -A opts=(
-		[V]="version:normal"
 		[h]="help:normal"
-		[j]="non-japanese:normal"
-		[s]="sgb-compatible:normal"
-		[v]="validate:normal"
+		[V]="version:normal"
+		[W]="warning:warning"
+		[w]=":normal"
 		[C]="color-only:normal"
 		[c]="color-compatible:normal"
 		[f]="fix-spec:fix-spec"
 		[i]="game-id:unk"
+		[j]="non-japanese:normal"
 		[k]="new-licensee:unk"
 		[L]="custom-logo:glob-*.1bpp"
 		[l]="old-licensee:unk"
@@ -24,7 +24,9 @@ _rgbfix_completions() {
 		[o]="output:glob-*.gb *.gbc *.sgb"
 		[p]="pad-value:unk"
 		[r]="ram-size:unk"
+		[s]="sgb-compatible:normal"
 		[t]="title:unk"
+		[v]="validate:normal"
 	)
 	# Parse command-line up to current word
 	local opt_ena=true
@@ -140,6 +142,16 @@ _rgbfix_completions() {
 	case "$state" in
 		unk) # Return with no replies: no idea what to complete!
 			;;
+		warning)
+			mapfile -t COMPREPLY < <(compgen -W "
+				mbc
+				overwrite
+				sgb
+				truncation
+				all
+				everything
+				error" -P "${cur_word:0:$optlen}" -- "${cur_word:$optlen}")
+			;;
 		fix-spec)
 			COMPREPLY=( "${cur_word}"{l,h,g,L,H,G} )
 			;;

contrib/bash_compl/_rgbgfx.bash

@@ -7,37 +7,38 @@ _rgbgfx_completions() {
 	# Empty long opt = it doesn't exit
 	# See the `state` variable below for info about `state_after`
 	declare -A opts=(
-		[V]="version:normal"
 		[h]="help:normal"
-		[C]="color-curve:normal"
-		[m]="mirror-tiles:normal"
-		[O]="group-outputs:normal"
-		[u]="unique-tiles:normal"
-		[v]="verbose:normal"
-		[X]="mirror-x:normal"
-		[Y]="mirror-y:normal"
-		[Z]="columns:normal"
-		[a]="attr-map:glob-*.attrmap"
+		[V]="version:normal"
+		[W]="warning:warning"
+		[w]=":normal"
 		[A]="auto-attr-map:normal"
+		[a]="attr-map:glob-*.attrmap"
 		[B]="background-color:unk"
 		[b]="base-tiles:unk"
+		[C]="color-curve:normal"
 		[c]="colors:unk"
 		[d]="depth:unk"
 		[i]="input-tileset:glob-*.2bpp"
 		[L]="slice:unk"
+		[m]="mirror-tiles:normal"
 		[N]="nb-tiles:unk"
 		[n]="nb-palettes:unk"
+		[O]="group-outputs:normal"
 		[o]="output:glob-*.2bpp"
-		[p]="palette:glob-*.pal"
 		[P]="auto-palette:normal"
-		[q]="palette-map:glob-*.palmap"
+		[p]="palette:glob-*.pal"
 		[Q]="auto-palette-map:normal"
+		[q]="palette-map:glob-*.palmap"
 		[r]="reverse:unk"
 		[s]="palette-size:unk"
-		[t]="tilemap:glob-*.tilemap"
 		[T]="auto-tilemap:normal"
-		[W]="warning:warning"
+		[t]="tilemap:glob-*.tilemap"
+		[u]="unique-tiles:normal"
+		[v]="verbose:normal"
+		[X]="mirror-x:normal"
 		[x]="trim-end:unk"
+		[Y]="mirror-y:normal"
+		[Z]="columns:normal"
 	)
 	# Parse command-line up to current word
 	local opt_ena=true

contrib/bash_compl/_rgblink.bash

@@ -7,21 +7,21 @@ _rgblink_completions() {
 	# Empty long opt = it doesn't exit
 	# See the `state` variable below for info about `state_after`
 	declare -A opts=(
-		[V]="version:normal"
 		[h]="help:normal"
-		[d]="dmg:normal"
-		[t]="tiny:normal"
-		[v]="verbose:normal"
-		[w]="wramx:normal"
-		[x]="nopad:normal"
-		[l]="linkerscript:glob-*"
+		[V]="version:normal"
+		[W]="warning:warning"
 		[M]="no-sym-in-map:normal"
+		[d]="dmg:normal"
+		[l]="linkerscript:glob-*"
 		[m]="map:glob-*.map"
 		[n]="sym:glob-*.sym"
 		[O]="overlay:glob-*.gb *.gbc *.sgb"
 		[o]="output:glob-*.gb *.gbc *.sgb"
 		[p]="pad:unk"
-		[W]="warning:warning"
+		[t]="tiny:normal"
+		[v]="verbose:normal"
+		[w]="wramx:normal"
+		[x]="nopad:normal"
 	)
 	# Parse command-line up to current word
 	local opt_ena=true