add external files

crates/erg_compiler/lib/external/matplotlib.d/__init__.d.er

@@ -0,0 +1,4 @@
+.pyplot = pyimport "./pyplot"
+.scale = pyimport "./scale"
+
+.use!: Str => NoneType

crates/erg_compiler/lib/external/matplotlib.d/axes.d/__init__.d.er

@@ -0,0 +1,3 @@
+._axes = pyimport "./_axes"
+
+.Axes! = ._axes.Axes!

crates/erg_compiler/lib/external/matplotlib.d/axes.d/_axes.d.er

@@ -0,0 +1,21 @@
+.Axes!: ClassType
+.Axes!.
+    scatter!: (
+        self: RefMut(.Axes!),
+        x: Num, # TODO: Float | ArrayLike
+        y: Num,
+        s := Num,
+        c := Iterable(Int),
+        vmin := Float,
+        vmax := Float,
+    ) => NoneType
+    set!: (
+        self: RefMut(.Axes!),
+        xlabel := Str,
+        xlim := (Float, Float),
+        xticks := Iterable(Obj),
+        ylabel := Str,
+        ylim := (Float, Float),
+        yticks := Iterable(Obj),
+        title := Str
+    ) => NoneType

crates/erg_compiler/lib/external/matplotlib.d/figure.d.er

@@ -0,0 +1,5 @@
+axes = pyimport "./axes"
+
+.Figure!: ClassType
+.Figure!.
+    add_axes!: (self: RefMut(.Figure!), rect: [Nat; 4], projection := Str or NoneType, polar := Bool, label := Str) => axes.Axes!

crates/erg_compiler/lib/external/matplotlib.d/image.d.er

@@ -0,0 +1,4 @@
+_ImageBase: ClassType
+
+.AxesImage!: ClassType
+.AxesImage! <: _ImageBase

crates/erg_compiler/lib/external/matplotlib.d/legend.d.er

@@ -0,0 +1 @@
+.Legend: ClassType

crates/erg_compiler/lib/external/matplotlib.d/lines.d.er

@@ -0,0 +1,2 @@
+.Line2D: ClassType
+.Line3D: ClassType

crates/erg_compiler/lib/external/matplotlib.d/pyplot.d/__init__.d.er

@@ -0,0 +1,30 @@
+contextlib = pyimport "contextlib"
+
+# lines = pyimport "../lines"
+text = pyimport "../text"
+legend = pyimport "../legend"
+.style = pyimport "../style"
+figure = pyimport "../figure"
+axes = pyimport "../axes"
+image = pyimport "../image"
+
+.plot!: (*args: Obj, scaleX := Bool, scaleY := Bool) => [Obj; _]
+.imshow!: (X: Obj, cmap := Str, interpolation := Str) => image.AxesImage!
+.show!: () => NoneType
+.text!: (x: Float, y: Float, s: Str, fontdict := {Str: Obj}, fontsize := Nat) => text.Text
+.title!: (title: Str) => text.Text
+.xlabel!: (label: Str) => text.Text
+.ylabel!: (label: Str) => text.Text
+.xlim!: (left := Float, right := Float) => (Float, Float) \
+    and ((left_right: (Float, Float)) => (Float, Float))
+.ylim!: (bottom := Float, top := Float) => (Float, Float) \
+    and ((bottom_top: (Float, Float)) => (Float, Float))
+.legend!: (labels := [Str; _]) => legend.Legend
+.savefig!: (fname: Str, dpi := Float or Str, format := Str) => NoneType
+.subplots!: (() => (figure.Figure!, axes.Axes!)) \
+    and ((nrows: {1}, ncols: {1}) => (figure.Figure!, axes.Axes!)) \
+    and ((nrows: {1}, ncols: Nat) => (figure.Figure!, [axes.Axes!; _])) \
+    and ((nrows: Nat, ncols: {1}) => (figure.Figure!, [axes.Axes!; _])) \
+    and ((nrows: Nat, ncols: Nat) => (figure.Figure!, [[axes.Axes!; _]; _]))
+.figure!: (num := Int or Str, figsize := [Float; _], dpi := Float) => figure.Figure!
+.xkcd!: (scale := Float, length := Float, randomness := Float) => contextlib.ExitStack!

crates/erg_compiler/lib/external/matplotlib.d/style.d/__init__.d.er

@@ -0,0 +1 @@
+.use!: Str => NoneType

crates/erg_compiler/lib/external/matplotlib.d/text.d.er

@@ -0,0 +1 @@
+.Text: ClassType