cli commands - generate binary ast

Signed-off-by: George Lemon <georgelemon@protonmail.com>

Author: georgelemon

src/tim.nim

@@ -13,9 +13,12 @@ when isMainModule:
   import ./tim/app/[build, dev]
 
   commands:
+    #
+    # Source to Source commands
+    # Used to transpile `timl` code to a specific target source
+    # Planning to support: HTML, Nim, JS, PHP, Python, Ruby and more
+    #
     -- "Source to Source"
-    # transpile `timl` code to a specific target source.
-    # Default `html`
     src path(`timl`),
       string(-t),       # choose a target (default target `html`)
       string(-o),       # save output to file
@@ -26,9 +29,13 @@ when isMainModule:
       bool(--watch):    # enable browser sync on live changes
         ## Transpile `timl` to specific target source
 
-    # -- "VM"
-    # Runs the `timl` code in a virtual machine.
+    ast path(`timl`):
+      ## Transpile timl code to AST representation
 
+    #
+    # Development commands
+    # Used to manage Tim Engine packages locally
+    #
     -- "Development"
     init:
       ## Initializes a new Tim Engine package

src/tim/app/build.nim

@@ -54,7 +54,7 @@ proc srcCommand*(v: Values) =
   var compiler = codegen.initCodeGen(script, module, mainChunk)
 
   try:
-    compiler.genScript(program)
+    compiler.genScript(program, isMainScript = true)
     let vmInstance = newVm()
     let output = vmInstance.interpret(script, mainChunk)
 
@@ -70,4 +70,18 @@ proc srcCommand*(v: Values) =
 
   except TimCompileError as e:
     echo e.msg
-    
+    
+
+
+#
+# AST 
+#
+proc astCommand*(v: Values) =
+  ## Generate the AST representation of a `timl` script
+  let
+    srcPath = getCurrentDir() / $(v.get("timl").getPath)
+    timlCode = readFile(srcPath)
+  
+  var program: Ast # the AST representation of the script
+  parser.parseScript(program, timlCode)
+  writeFile(srcPath & ".ast", toFlatty(program))

src/tim/engine/stdlib/libsystem.nim

@@ -46,8 +46,6 @@ proc initSystemOps(script: Script, module: Module) =
   # number type operators
 
   for T in [(tyInt, tyFloat), (tyFloat, tyInt)]:
-    # XXX: this is perhaps a bit inefficient, optimizing this could help
-
     script.addProc(module, "+", @[paramDef("a", T[0])], T[0])
     script.addProc(module, "-", @[paramDef("a", T[0])], T[0])
 
@@ -80,16 +78,6 @@ proc modSystem*(script: Script): Module =
   result.initSystemTypes()
   script.initSystemOps(result)
 
-  # discard result.add(genType(tyHtmlElement, "h1"))
-
-  # script.addProc(result, ">", @[paramDef("a", tyHtmlElement, kindStr = "div"), paramDef("b", tyHtmlElement, kindStr = "div")], tyString,
-  #   proc (args: StackView): Value =
-  #     result = initValue("ayayay"))
-
-  # script.addProc(result, "h1", @[], tyString,
-  #   proc (args: StackView): Value =
-  #     result = initValue("<h1></h1>"))
-
   # string operators
   script.addProc(result, "==", @[paramDef("a", tyString), paramDef("b", tyString)], tyBool,
     proc (args: StackView): Value =