lcfOS: python/libs/compiler/compiler.py comparison

Several move action

author	windel
date	Sun, 07 Oct 2012 17:04:10 +0200
parents	python/ide/compiler/compiler.py@fd7d5069734e
children	99bf4f7d47f4

comparison

equal deleted inserted replaced

-:fd7d5069734e
+:32078200cdd6
+import hashlib
+# Import compiler components:
+from . import lexer
+from .parser import Parser
+from .codegenerator import CodeGenerator
+from .nodes import ExportedSymbol
+from .errors import CompilerException
+class Compiler:
+versie = '0.9.3'
+def __repr__(self):
+return 'LCFOS compiler {0}'.format(self.versie)
+def generateSignature(self, src):
+return hashlib.md5(bytes(src,encoding='ascii')).hexdigest()
+def compilesource(self, src):
+""" Front end that handles the stages: """
+self.errorlist = []
+# Pass 1: parsing and type checking
+tokens = lexer.tokenize(src) # Lexical stage
+p = Parser(tokens)
+try:
+ast = p.parseModule() # Parse a module
+except CompilerException as e:
+p.errorlist.append( (e.row, e.col, e.msg) )
+if len(p.errorlist) > 0:
+self.errorlist = p.errorlist
+return
+# Pass 2: code generation
+CodeGenerator().generatecode(ast)
+# Attach a signature:
+ast.signature = self.generateSignature(src)
+# Generate exported symbols:
+ast.exports = []
+for proc in ast.procs:
+if proc.public:
+sym = ExportedSymbol(proc.name, proc.typ)
+sym.imageoffset = proc.entrypoint
+ast.exports.append(sym)
+return ast
+def compileProject(self, project):
+mods = []
+for fname in project.files:
+print('Compiling {0}...'.format(fname))
+source = project.loadProjectFile(fname)
+mod = self.compilesource(source)
+mods.append(mod)
+return mods

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