separate demangler into support library

1 files changed, 1 insertions, 183 deletions

diff --git a/lib/compilers/pascal.js b/lib/compilers/pascal.js
index 862825378..d5eb507e0 100644
--- a/lib/compilers/pascal.js
+++ b/lib/compilers/pascal.js
@@ -25,195 +25,13 @@
 
 var Compile = require('../base-compiler'),
     logger = require('../logger').logger,
+    PascalDemangler = require('../pascal-support').demangler,
     utils = require('../utils'),
     fs = require("fs"),
     path = require("path");
 
-class PascalDemangler {
-    constructor() {
-        this.symbolcache = {};
-        this.sortedsymbolcache = [];
-        this.fixedsymbols = {};
-        this.ignoredsymbols = [];
-
-        this.initBasicSymbols();
-    }
-
-    initBasicSymbols() {
-        this.fixedsymbols.OUTPUT_$$_init = 'unit_initialization';
-        this.fixedsymbols.OUTPUT_$$_finalize = 'unit_finalization';
-        this.fixedsymbols.OUTPUT_$$_init_implicit = 'unit_initialization_implicit';
-        this.fixedsymbols.OUTPUT_$$_finalize_implicit ='unit_finalization_implicit';
-        this.fixedsymbols.OUTPUT_init = 'unit_initialization';
-        this.fixedsymbols.OUTPUT_finalize = 'unit_finalization';
-        this.fixedsymbols.OUTPUT_init_implicit = 'unit_initialization_implicit';
-        this.fixedsymbols.OUTPUT_finalize_implicit = 'unit_finalization_implicit';
-
-        this.ignoredsymbols = [
-            ".L",
-            "VMT_$", "INIT_$", "INIT$_$", "FINALIZE$_$", "RTTI_$",
-            "VMT_OUTPUT_", "INIT$_OUTPUT", "RTTI_OUTPUT_", "FINALIZE$_OUTPUT",
-            "_$",
-            "DEBUGSTART_$", "DEBUGEND_$", "DBG_$", "DBG2_$", "DBGREF_$",
-            "DEBUGSTART_OUTPUT", "DEBUGEND_OUTPUT", "DBG_OUTPUT_", "DBG2_OUTPUT_", "DBGREF_OUTPUT_"
-        ];
-    }
-
-    shouldIgnoreSymbol(text) {
-        for (var k in this.ignoredsymbols) {
-            if (text.startsWith(this.ignoredsymbols[k])) {
-                return true;
-            }
-        }
-
-        return false;
-    }
-
-    composeReadableMethodSignature(unitname, classname, methodname, params) {
-        var signature = "";
-
-        if (classname != "") signature = classname.toLowerCase() + ".";
-
-        signature = signature + methodname.toLowerCase();
-        signature = signature + "(" + params.toLowerCase() + ")";
-
-        return signature;
-    }
-
-    demangle(text) {
-        if (text.endsWith(':')) {
-            if (this.shouldIgnoreSymbol(text)) {
-                return false;
-            }
-
-            text = text.substr(0, text.length - 1);
-
-            for (var k in this.fixedsymbols) {
-                if (text == k) {
-                    text = text.replace(k, this.fixedsymbols[k]);
-                    this.symbolcache[k] = this.fixedsymbols[k];
-                    return this.fixedsymbols[k];
-                }
-            }
-
-            var unmangledglobalvar;
-            if (text.startsWith("U_$OUTPUT_$$_")) {
-                unmangledglobalvar = text.substr(13).toLowerCase();
-                this.symbolcache[text] = unmangledglobalvar;
-                return unmangledglobalvar;
-            } else if (text.startsWith("U_OUTPUT_")) {
-                unmangledglobalvar = text.substr(9).toLowerCase();
-                this.symbolcache[text] = unmangledglobalvar;
-                return unmangledglobalvar;
-            }
-
-            var idx, paramtype = "", signature = "", phase = 0;
-            var unitname = "", classname = "", methodname = "", params = "", resulttype = "";
-
-            idx = text.indexOf("$_$");
-            if (idx != -1) {
-                unitname = text.substr(0, idx - 1);
-                classname = text.substr(idx + 3, text.indexOf("_$_", idx + 2) - idx - 3);
-            }
-
-            signature = "";
-            idx = text.indexOf("_$$_");
-            if (idx != -1) {
-                if (unitname == "") unitname = text.substr(0, idx - 1);
-                signature =  text.substr(idx + 3);
-            }
-
-            if (unitname == "") {
-                idx = text.indexOf("OUTPUT_");
-                if (idx != -1) {
-                    unitname = "OUTPUT";
-
-                    idx = text.indexOf("_$__");
-                    if (idx != -1) {
-                        classname = text.substr(7, idx - 7);
-                        signature = text.substr(idx + 3);
-                    } else {
-                        signature = text.substr(6);
-                    }
-                }
-            }
-
-            if (signature != "") {
-                for (idx = 1; idx < signature.length; idx++) {
-                    if (signature[idx] == '$') {
-                        if (phase == 0) phase = 1;
-                        else if (phase == 1) {
-                            if (paramtype == "") phase = 2;
-                            else if (params != "") {
-                                params = params + "," + paramtype;
-                                paramtype = "";
-                            } else if (params == "") {
-                                params = paramtype;
-                                paramtype = "";
-                            }
-                        }
-                    } else {
-                        if (phase == 0) methodname = methodname + signature[idx];
-                        else if (phase == 1) paramtype = paramtype + signature[idx];
-                        else if (phase == 2) resulttype = resulttype + signature[idx];
-                    }
-                }
-
-                if (paramtype != "") {
-                    if (params != "") params = params + "," + paramtype;
-                    else params = paramtype;
-                }
-            }
-
-            this.symbolcache[text] = this.composeReadableMethodSignature(unitname, classname, methodname, params);
-            return this.symbolcache[text];
-        }
-
-        return false;
-    }
-
-    addDemangleToCache(text) {
-        this.demangle(text);
-    }
-
-    buildOrderedCache() {
-        this.sortedsymbolcache = [];
-        for (var symbol in this.symbolcache) {
-            this.sortedsymbolcache.push([symbol, this.symbolcache[symbol]]);
-        }
-
-        this.sortedsymbolcache = this.sortedsymbolcache.sort(function(a, b) {
-            return b[0].length - a[0].length;
-        });
-
-        this.symbolcache = {};
-    }
-
-    demangleIfNeeded(text) {
-        if (text.includes('$')) {
-            if (this.shouldIgnoreSymbol(text)) {
-                return text;
-            }
-
-            for (var idx in this.sortedsymbolcache) {
-                text = text.replace(this.sortedsymbolcache[idx][0], this.sortedsymbolcache[idx][1]);
-            }
-
-            return text;
-        } else {
-            return text;
-        }
-    }
-}
-
 function compileFPC(info, env) {
     var demangler = new PascalDemangler();
-
-    if (info === undefined) {
-        // for unittest
-        return demangler;
-    }
-
     var compiler = new Compile(info, env);
     compiler.supportsOptOutput = false;