Reorganize files according to proper directory structure

1 files changed, 215 insertions, 0 deletions

diff --git a/appl/cmd/sh92.b b/appl/cmd/sh92.b
new file mode 100644
index 0000000..9748da7
--- /dev/null
+++ b/appl/cmd/sh92.b
@@ -0,0 +1,215 @@
+implement Sh92;
+
+include "sys.m";
+include "draw.m";
+include "sh9util.m";
+include "sh9parser.m";
+
+sys: Sys;
+sh9u: Sh9Util;
+sh9p: Sh9Parser;
+
+Sh92: module {
+  init: fn(nil: ref Draw->Context, nil: list of string);
+};
+
+ModProc: adt {
+  name: string;
+  start: int;
+};
+
+ModVar: adt {
+  name: string;
+  val: string;
+};
+
+ShModule: adt {
+  global_vars: list of ref ModVar;
+  procs: list of ref ModProc;
+};
+
+GrammarNode: import sh9p;
+TokNode: import sh9p;
+mk_tok: import sh9p;
+set_last_tok: import sh9p;
+print_toks: import sh9p;
+parse_toks: import sh9p;
+
+reverse_list: import sh9u;
+to_array: import sh9u;
+
+S_UNKNOWN: con "UNK";
+S_ID: con "ID";
+S_STR: con "STR";
+S_EQ: con "EQ";
+S_DOL: con "DOL";
+S_COLON: con "COLON";
+S_SEMIC: con "SEMIC";
+S_LPAR: con "LPAR";
+S_RPAR: con "RPAR";
+S_LCURLY: con "LCURLY";
+S_RCURLY: con "RCURLY";
+S_DQSTR: con "DQSTR";
+S_SQSTR: con "SQSTR";
+S_DQTE: con "DQTE";
+S_SQTE: con "SQTE";
+S_SP: con "SP";
+S_TAB: con "TAB";
+S_EOL: con "EOL";
+
+S_STMT: con "STMT";
+S_EXPR: con "EXPR";
+S_CALL: con "CALL";
+
+tokenize(line: string, line_n: int): array of ref TokNode {
+  toks : list of ref TokNode;
+  last_tok:= ref TokNode;
+  last_tok.start = -1;
+  last_tok.line = -1;
+  last_tok.tok = "";
+  last_tok.typ = S_UNKNOWN;
+  k:=0;
+
+  for (i := 0; i < len line; i++) {
+    if (last_tok.typ == S_DQSTR) {
+      case (line[i:i+1]) {
+        "\"" => {
+          l := len last_tok.tok;
+          if ((last_tok.tok[l-1:] != "\\") || ((last_tok.tok[l-1:] == "\\") && (last_tok.tok[l-2:l-1] == "\\"))) {
+            # end of str
+            last_tok.tok = last_tok.tok + line[i:i+1];
+            (last_tok, toks) = set_last_tok(last_tok, toks);
+          } else {
+            # escaped dqte, just continue
+            last_tok.tok = last_tok.tok + line[i:i+1];
+          }
+        };
+        * => {
+          last_tok.tok = last_tok.tok + line[i:i+1];
+        }
+      }
+    } else if (last_tok.typ == S_SQSTR) {
+      case (line[i:i+1]) {
+        "'" => {
+          l := len last_tok.tok;
+          if ((last_tok.tok[l-1:] != "\\") || ((last_tok.tok[l-1:] == "\\") && (last_tok.tok[l-2:l-1] == "\\"))) {
+            # end of str
+            last_tok.tok = last_tok.tok + line[i:i+1];
+            (last_tok, toks) = set_last_tok(last_tok, toks);
+          } else {
+            # escaped sqte, just continue
+            last_tok.tok = last_tok.tok + line[i:i+1];
+          }
+        };
+        * => {
+          last_tok.tok = last_tok.tok + line[i:i+1];
+        }
+      }
+    } else {
+      case (line[i:i+1]) {
+        " " or "\t" => {
+          (last_tok, toks) = set_last_tok(last_tok, toks);
+        };
+        "=" => {
+          (last_tok, toks) = set_last_tok(last_tok, toks);
+          toks = mk_tok(i, line_n, "=", S_EQ) :: toks;
+        };
+        ";" => {
+          (last_tok, toks) = set_last_tok(last_tok, toks);
+          toks = mk_tok(i, line_n, ";", S_SEMIC) :: toks;
+        };
+        "$" => {
+          (last_tok, toks) = set_last_tok(last_tok, toks);
+          toks = mk_tok(i, line_n, "$", S_DOL) :: toks;
+        };
+        "(" => {
+          (last_tok, toks) = set_last_tok(last_tok, toks);
+          toks = mk_tok(i, line_n, "(", S_LPAR) :: toks;
+        };
+        ")" => {
+          (last_tok, toks) = set_last_tok(last_tok, toks);
+          toks = mk_tok(i, line_n, ")", S_RPAR) :: toks;
+        };
+        "{" => {
+          (last_tok, toks) = set_last_tok(last_tok, toks);
+          toks = mk_tok(i, line_n, "{", S_LCURLY) :: toks;
+          };
+          "}" => {
+            (last_tok, toks) = set_last_tok(last_tok, toks);
+            toks = mk_tok(i, line_n, "}", S_RCURLY) :: toks;
+          };
+          "\"" => {
+            (last_tok, toks) = set_last_tok(last_tok, toks);
+            last_tok.start = i;
+            last_tok.line = line_n;
+            last_tok.typ = S_DQSTR;
+            last_tok.tok = last_tok.tok + line[i:i+1];
+          };
+          "'" => {
+            (last_tok, toks) = set_last_tok(last_tok, toks);
+            last_tok.start = i;
+            last_tok.line = line_n;
+            last_tok.typ = S_SQSTR;
+            last_tok.tok = last_tok.tok + line[i:i+1];
+          };
+          * => {
+            if (last_tok.start == -1) {
+              last_tok.start = i;
+              last_tok.line = line_n;
+              last_tok.typ = S_ID;
+            }
+            last_tok.tok = last_tok.tok + line[i:i+1];
+        };
+      }
+    }
+  }
+  (last_tok, toks) = set_last_tok(last_tok, toks);
+  toks = mk_tok(i, line_n, "", S_EOL) :: toks;
+  toks = reverse_list(toks);
+  return to_array(toks);
+}
+
+stmt_assign(toks: array of ref TokNode) {
+  sys->print("ASSIGN STMT\n");
+}
+
+stmt_cmd_call(toks: array of ref TokNode) {
+  sys->print("CMD CALL\n");
+}
+
+empty(toks: array of ref TokNode) {
+  sys->print("EMPTY\n");
+}
+
+Te: adt{
+  s: string;
+};
+
+init(ctxt: ref Draw->Context, argv: list of string) {
+  sys = load Sys Sys->PATH;
+  sh9u = load Sh9Util Sh9Util->PATH;
+  sh9p = load Sh9Parser Sh9Parser->PATH;
+  sh9p->init();
+
+
+  assign_g_semic : GrammarNode = (array [] of {S_ID, S_EQ, S_EXPR, S_SEMIC}, S_UNKNOWN, stmt_assign);
+  assign_g_eol : GrammarNode = (array [] of {S_ID, S_EQ, S_EXPR, S_EOL}, S_UNKNOWN, stmt_assign);
+  sqstr_expr_g: GrammarNode = (array [] of {S_SQSTR}, S_EXPR, empty);
+  str_expr_g: GrammarNode = (array [] of {S_STR}, S_EXPR, empty);
+  cmd_call_g: GrammarNode = (array [] of {S_ID, S_EQ, S_EXPR, S_SEMIC}, S_UNKNOWN, stmt_cmd_call);
+  grammar: array of ref GrammarNode;
+  grammar = array [] of {ref assign_g_semic, ref assign_g_eol, ref sqstr_expr_g, ref str_expr_g, ref cmd_call_g};
+
+  toks1 := tokenize("AB = 'smth \"test\"  ';", 0);
+  print_toks(toks1);
+  sys->print("Parse\n");
+  parse_toks(toks1, grammar);
+  sys->print("Parse done\n");
+
+  # toks2 := tokenize("echo \"smth \" \"test\";", 0);
+  # print_toks(toks2);
+  # toks3 := tokenize("if test x\"a\" = x\"b\"; then echo \"1\"; fi", 0);
+  # print_toks(toks3);
+  # toks4 := tokenize("echo 'smth2' 'test';", 0);
+  # print_toks(toks4);
+}