Direct variable assignment

Vilsol · Dec 25, 2020 · e0ffc84 · e0ffc84
1 parent e168aa8
commit e0ffc84
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Showing 19 changed files with 414 additions and 224 deletions.
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
@@ -28,6 +28,9 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Warm up pkg.go.dev
+        uses: andrewslotin/go-proxy-pull-action@master
+
   pages:
     name: Pages
     runs-on: ubuntu-latest

diff --git a/README.md b/README.md
@@ -5,6 +5,7 @@
 [![codecov](https://codecov.io/gh/Vilsol/go-mlog/branch/master/graph/badge.svg?token=LFNKYWS0N2)](https://codecov.io/gh/Vilsol/go-mlog)
 [![CodeFactor](https://www.codefactor.io/repository/github/vilsol/go-mlog/badge)](https://www.codefactor.io/repository/github/vilsol/go-mlog)
 ![GitHub go.mod Go version](https://img.shields.io/github/go-mod/go-version/vilsol/go-mlog)
+[![godoc reference](https://img.shields.io/badge/godoc-reference-5272B4)](https://pkg.go.dev/github.com/Vilsol/go-mlog)
 
 Go to MLOG transpiler.
 
@@ -34,6 +35,7 @@ A Web IDE is available [here](https://vilsol.github.io/go-mlog-web/?1)
 * Variable argument count functions
 * Multiple function return values
 * Optimize simple jump instructions
+* Multi-pass post-processing
 
 ## Design Limitations
 

diff --git a/m/base.go b/m/base.go
@@ -1,41 +1,43 @@
 package m
 
 import (
+	"errors"
 	"github.com/Vilsol/go-mlog/transpiler"
 	"strings"
 )
 
 func init() {
 	transpiler.RegisterFuncTranslation("m.Read", transpiler.Translator{
-		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Count:     1,
+		Variables: 1,
+		Translate: func(args []transpiler.Resolvable, vars []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			memoryName := strings.Trim(args[0].GetValue(), "\"")
 
 			if memoryName == transpiler.StackCellName {
-				panic("can't read/write to memory cell that is used for the stack: " + transpiler.StackCellName)
+				return nil, errors.New("can't read/write to memory cell that is used for the stack: " + transpiler.StackCellName)
 			}
 
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
 						{
 							&transpiler.Value{Value: "read"},
-							&transpiler.Value{Value: transpiler.FunctionReturnVariable},
+							vars[0],
 							&transpiler.Value{Value: memoryName},
 							&transpiler.Value{Value: args[1].GetValue()},
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.Write", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			memoryName := strings.Trim(args[1].GetValue(), "\"")
 
 			if memoryName == transpiler.StackCellName {
-				panic("can't read/write to memory cell that is used for the stack: " + transpiler.StackCellName)
+				return nil, errors.New("can't read/write to memory cell that is used for the stack: " + transpiler.StackCellName)
 			}
 
 			return []transpiler.MLOGStatement{
@@ -49,12 +51,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.PrintFlush", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -64,28 +66,30 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.GetLink", transpiler.Translator{
-		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Count:     1,
+		Variables: 1,
+		Translate: func(args []transpiler.Resolvable, vars []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
 						{
 							&transpiler.Value{Value: "getlink"},
-							&transpiler.Value{Value: transpiler.FunctionReturnVariable},
+							vars[0],
 							&transpiler.Value{Value: args[0].GetValue()},
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.Radar", transpiler.Translator{
-		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Count:     1,
+		Variables: 1,
+		Translate: func(args []transpiler.Resolvable, vars []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -97,28 +101,29 @@ func init() {
 							&transpiler.Value{Value: args[5].GetValue()},
 							&transpiler.Value{Value: args[0].GetValue()},
 							&transpiler.Value{Value: args[4].GetValue()},
-							&transpiler.Value{Value: transpiler.FunctionReturnVariable},
+							vars[0],
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.Sensor", transpiler.Translator{
-		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Count:     1,
+		Variables: 1,
+		Translate: func(args []transpiler.Resolvable, vars []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
 						{
 							&transpiler.Value{Value: "sensor"},
-							&transpiler.Value{Value: transpiler.FunctionReturnVariable},
+							vars[0],
 							&transpiler.Value{Value: args[0].GetValue()},
 							&transpiler.Value{Value: args[1].GetValue()},
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 }

diff --git a/m/control.go b/m/control.go
@@ -5,7 +5,7 @@ import "github.com/Vilsol/go-mlog/transpiler"
 func init() {
 	transpiler.RegisterFuncTranslation("m.ControlEnabled", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -17,12 +17,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.ControlShoot", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -36,12 +36,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.ControlShootP", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -54,12 +54,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.ControlConfigure", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -71,7 +71,7 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 }

diff --git a/m/draw.go b/m/draw.go
@@ -8,7 +8,7 @@ import (
 func init() {
 	transpiler.RegisterFuncTranslation("m.DrawClear", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -21,12 +21,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawColor", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -40,12 +40,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawStroke", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -56,12 +56,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawLine", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -75,12 +75,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawRect", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -94,12 +94,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawLineRect", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -113,12 +113,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawPoly", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -133,12 +133,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawLinePoly", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -153,12 +153,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawTriangle", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -174,12 +174,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawImage", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -194,12 +194,12 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 	transpiler.RegisterFuncTranslation("m.DrawFlush", transpiler.Translator{
 		Count: 1,
-		Translate: func(args []transpiler.Resolvable) []transpiler.MLOGStatement {
+		Translate: func(args []transpiler.Resolvable, _ []transpiler.Resolvable) ([]transpiler.MLOGStatement, error) {
 			return []transpiler.MLOGStatement{
 				&transpiler.MLOG{
 					Statement: [][]transpiler.Resolvable{
@@ -209,7 +209,7 @@ func init() {
 						},
 					},
 				},
-			}
+			}, nil
 		},
 	})
 }