parser.py revision 6863
16657Snate@binkert.org# Copyright (c) 2009 The Hewlett-Packard Development Company 26657Snate@binkert.org# All rights reserved. 36657Snate@binkert.org# 46657Snate@binkert.org# Redistribution and use in source and binary forms, with or without 56657Snate@binkert.org# modification, are permitted provided that the following conditions are 66657Snate@binkert.org# met: redistributions of source code must retain the above copyright 76657Snate@binkert.org# notice, this list of conditions and the following disclaimer; 86657Snate@binkert.org# redistributions in binary form must reproduce the above copyright 96657Snate@binkert.org# notice, this list of conditions and the following disclaimer in the 106657Snate@binkert.org# documentation and/or other materials provided with the distribution; 116657Snate@binkert.org# neither the name of the copyright holders nor the names of its 126657Snate@binkert.org# contributors may be used to endorse or promote products derived from 136657Snate@binkert.org# this software without specific prior written permission. 146657Snate@binkert.org# 156657Snate@binkert.org# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 166657Snate@binkert.org# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 176657Snate@binkert.org# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 186657Snate@binkert.org# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 196657Snate@binkert.org# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 206657Snate@binkert.org# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 216657Snate@binkert.org# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 226657Snate@binkert.org# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 236657Snate@binkert.org# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 246657Snate@binkert.org# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 256657Snate@binkert.org# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 266657Snate@binkert.org# 276657Snate@binkert.org# Authors: Nathan Binkert 286657Snate@binkert.org 296657Snate@binkert.orgimport os.path 306657Snate@binkert.orgimport re 316657Snate@binkert.orgimport sys 326657Snate@binkert.org 336657Snate@binkert.orgfrom m5.util.grammar import Grammar, TokenError, ParseError 346657Snate@binkert.org 356657Snate@binkert.orgimport slicc.ast as ast 366657Snate@binkert.orgimport slicc.util as util 376657Snate@binkert.orgfrom slicc.symbols import SymbolTable 386657Snate@binkert.org 396657Snate@binkert.orgdef read_slicc(sources): 406657Snate@binkert.org if not isinstance(sources, (list,tuple)): 416657Snate@binkert.org sources = [ sources ] 426657Snate@binkert.org 436657Snate@binkert.org for source in sources: 446657Snate@binkert.org for sm_file in file(source, "r"): 456657Snate@binkert.org sm_file = sm_file.strip() 466657Snate@binkert.org if not sm_file: 476657Snate@binkert.org continue 486657Snate@binkert.org if sm_file.startswith("#"): 496657Snate@binkert.org continue 506657Snate@binkert.org yield sm_file 516657Snate@binkert.org 526657Snate@binkert.orgclass SLICC(Grammar): 536657Snate@binkert.org def __init__(self, **kwargs): 546657Snate@binkert.org super(SLICC, self).__init__(**kwargs) 556657Snate@binkert.org self.decl_list_vec = [] 566657Snate@binkert.org self.current_file = None 576657Snate@binkert.org self.symtab = SymbolTable() 586657Snate@binkert.org 596657Snate@binkert.org def parse(self, filename): 606657Snate@binkert.org self.current_file = filename 616657Snate@binkert.org f = file(filename, 'r') 626657Snate@binkert.org text = f.read() 636657Snate@binkert.org try: 646657Snate@binkert.org decl_list = super(SLICC, self).parse(text) 656657Snate@binkert.org except (TokenError, ParseError), e: 666657Snate@binkert.org sys.exit("%s: %s:%d" % (e, filename, e.token.lineno)) 676657Snate@binkert.org self.decl_list_vec.append(decl_list) 686657Snate@binkert.org self.current_file = None 696657Snate@binkert.org 706657Snate@binkert.org def _load(self, *filenames): 716657Snate@binkert.org filenames = list(filenames) 726657Snate@binkert.org while filenames: 736657Snate@binkert.org f = filenames.pop(0) 746657Snate@binkert.org if isinstance(f, (list, tuple)): 756657Snate@binkert.org filenames[0:0] = list(f) 766657Snate@binkert.org continue 776657Snate@binkert.org 786657Snate@binkert.org yield f 796657Snate@binkert.org if f.endswith(".slicc"): 806657Snate@binkert.org dirname,basename = os.path.split(f) 816657Snate@binkert.org filenames[0:0] = [ os.path.join(dirname, x) \ 826657Snate@binkert.org for x in read_slicc(f)] 836657Snate@binkert.org else: 846657Snate@binkert.org assert f.endswith(".sm") 856657Snate@binkert.org self.parse(f) 866657Snate@binkert.org 876657Snate@binkert.org def load(self, *filenames, **kwargs): 886657Snate@binkert.org verbose = kwargs.pop("verbose", False) 896657Snate@binkert.org if kwargs: 906657Snate@binkert.org raise TypeError 916657Snate@binkert.org 926657Snate@binkert.org gen = self._load(*filenames) 936657Snate@binkert.org if verbose: 946657Snate@binkert.org return gen 956657Snate@binkert.org else: 966657Snate@binkert.org # Run out the generator if we don't want the verbosity 976657Snate@binkert.org for foo in gen: 986657Snate@binkert.org pass 996657Snate@binkert.org 1006657Snate@binkert.org def findMachines(self): 1016657Snate@binkert.org for decl_list in self.decl_list_vec: 1026657Snate@binkert.org decl_list.findMachines() 1036657Snate@binkert.org 1046657Snate@binkert.org def generate(self): 1056657Snate@binkert.org for decl_list in self.decl_list_vec: 1066657Snate@binkert.org decl_list.generate() 1076657Snate@binkert.org 1086657Snate@binkert.org def writeCodeFiles(self, code_path): 1096657Snate@binkert.org util.makeDir(code_path) 1106657Snate@binkert.org self.symtab.writeCodeFiles(code_path) 1116657Snate@binkert.org 1126657Snate@binkert.org def writeHTMLFiles(self, code_path): 1136657Snate@binkert.org util.makeDir(code_path) 1146657Snate@binkert.org self.symtab.writeHTMLFiles(code_path) 1156657Snate@binkert.org 1166657Snate@binkert.org def files(self): 1176714Ssteve.reinhardt@amd.com f = set([ 1186657Snate@binkert.org 'ControllerFactory.cc', 1196657Snate@binkert.org 'ControllerFactory.hh', 1206714Ssteve.reinhardt@amd.com 'MachineType.cc', 1216657Snate@binkert.org 'MachineType.hh', 1226657Snate@binkert.org 'Types.hh' ]) 1236657Snate@binkert.org 1246657Snate@binkert.org for decl_list in self.decl_list_vec: 1256714Ssteve.reinhardt@amd.com f |= decl_list.files() 1266657Snate@binkert.org 1276714Ssteve.reinhardt@amd.com return f 1286657Snate@binkert.org 1296657Snate@binkert.org t_ignore = '\t ' 1306657Snate@binkert.org 1316657Snate@binkert.org # C or C++ comment (ignore) 1326657Snate@binkert.org def t_c_comment(self, t): 1336657Snate@binkert.org r'/\*(.|\n)*?\*/' 1346657Snate@binkert.org t.lexer.lineno += t.value.count('\n') 1356657Snate@binkert.org 1366657Snate@binkert.org def t_cpp_comment(self, t): 1376657Snate@binkert.org r'//.*' 1386657Snate@binkert.org 1396657Snate@binkert.org # Define a rule so we can track line numbers 1406657Snate@binkert.org def t_newline(self, t): 1416657Snate@binkert.org r'\n+' 1426657Snate@binkert.org t.lexer.lineno += len(t.value) 1436657Snate@binkert.org 1446657Snate@binkert.org reserved = { 1456657Snate@binkert.org 'global' : 'GLOBAL', 1466657Snate@binkert.org 'machine' : 'MACHINE', 1476657Snate@binkert.org 'in_port' : 'IN_PORT', 1486657Snate@binkert.org 'out_port' : 'OUT_PORT', 1496657Snate@binkert.org 'action' : 'ACTION', 1506657Snate@binkert.org 'transition' : 'TRANS', 1516657Snate@binkert.org 'structure' : 'STRUCT', 1526657Snate@binkert.org 'external_type' : 'EXTERN_TYPE', 1536657Snate@binkert.org 'enumeration' : 'ENUM', 1546657Snate@binkert.org 'peek' : 'PEEK', 1556657Snate@binkert.org 'enqueue' : 'ENQUEUE', 1566657Snate@binkert.org 'copy_head' : 'COPY_HEAD', 1576657Snate@binkert.org 'check_allocate' : 'CHECK_ALLOCATE', 1586657Snate@binkert.org 'check_stop_slots' : 'CHECK_STOP_SLOTS', 1596657Snate@binkert.org 'if' : 'IF', 1606657Snate@binkert.org 'else' : 'ELSE', 1616657Snate@binkert.org 'return' : 'RETURN', 1626657Snate@binkert.org 'THIS' : 'THIS', 1636657Snate@binkert.org 'CHIP' : 'CHIP', 1646657Snate@binkert.org 'void' : 'VOID', 1656657Snate@binkert.org 'new' : 'NEW', 1666657Snate@binkert.org } 1676657Snate@binkert.org 1686657Snate@binkert.org literals = ':[]{}(),=' 1696657Snate@binkert.org 1706657Snate@binkert.org tokens = [ 'EQ', 'NE', 'LT', 'GT', 'LE', 'GE', 1716657Snate@binkert.org 'LEFTSHIFT', 'RIGHTSHIFT', 1726657Snate@binkert.org 'NOT', 'AND', 'OR', 1736657Snate@binkert.org 'PLUS', 'DASH', 'STAR', 'SLASH', 1746657Snate@binkert.org 'DOUBLE_COLON', 'SEMI', 1756657Snate@binkert.org 'ASSIGN', 'DOT', 1766657Snate@binkert.org 'IDENT', 'LIT_BOOL', 'FLOATNUMBER', 'NUMBER', 'STRING' ] 1776657Snate@binkert.org tokens += reserved.values() 1786657Snate@binkert.org 1796657Snate@binkert.org t_EQ = r'==' 1806657Snate@binkert.org t_NE = r'!=' 1816657Snate@binkert.org t_LT = r'<' 1826657Snate@binkert.org t_GT = r'>' 1836657Snate@binkert.org t_LE = r'<=' 1846657Snate@binkert.org t_GE = r'>=' 1856657Snate@binkert.org t_LEFTSHIFT = r'<<' 1866657Snate@binkert.org t_RIGHTSHIFT = r'>>' 1876657Snate@binkert.org t_NOT = r'!' 1886657Snate@binkert.org t_AND = r'&&' 1896657Snate@binkert.org t_OR = r'\|\|' 1906657Snate@binkert.org t_PLUS = r'\+' 1916657Snate@binkert.org t_DASH = r'-' 1926657Snate@binkert.org t_STAR = r'\*' 1936657Snate@binkert.org t_SLASH = r'/' 1946657Snate@binkert.org t_DOUBLE_COLON = r'::' 1956657Snate@binkert.org t_SEMI = r';' 1966657Snate@binkert.org t_ASSIGN = r':=' 1976657Snate@binkert.org t_DOT = r'\.' 1986657Snate@binkert.org 1996657Snate@binkert.org precedence = ( 2006657Snate@binkert.org ('left', 'AND', 'OR'), 2016657Snate@binkert.org ('left', 'EQ', 'NE'), 2026657Snate@binkert.org ('left', 'LT', 'GT', 'LE', 'GE'), 2036657Snate@binkert.org ('left', 'RIGHTSHIFT', 'LEFTSHIFT'), 2046657Snate@binkert.org ('left', 'PLUS', 'DASH'), 2056657Snate@binkert.org ('left', 'STAR', 'SLASH'), 2066657Snate@binkert.org ('right', 'NOT', 'UMINUS'), 2076657Snate@binkert.org ) 2086657Snate@binkert.org 2096657Snate@binkert.org def t_IDENT(self, t): 2106657Snate@binkert.org r'[a-zA-Z_][a-zA-Z_0-9]*' 2116657Snate@binkert.org if t.value == 'true': 2126657Snate@binkert.org t.type = 'LIT_BOOL' 2136657Snate@binkert.org t.value = True 2146657Snate@binkert.org return t 2156657Snate@binkert.org 2166657Snate@binkert.org if t.value == 'false': 2176657Snate@binkert.org t.type = 'LIT_BOOL' 2186657Snate@binkert.org t.value = False 2196657Snate@binkert.org return t 2206657Snate@binkert.org 2216657Snate@binkert.org # Check for reserved words 2226657Snate@binkert.org t.type = self.reserved.get(t.value, 'IDENT') 2236657Snate@binkert.org return t 2246657Snate@binkert.org 2256657Snate@binkert.org def t_FLOATNUMBER(self, t): 2266657Snate@binkert.org '[0-9]+[.][0-9]+' 2276657Snate@binkert.org try: 2286657Snate@binkert.org t.value = float(t.value) 2296657Snate@binkert.org except ValueError: 2306657Snate@binkert.org raise TokenError("Illegal float", t) 2316657Snate@binkert.org return t 2326657Snate@binkert.org 2336657Snate@binkert.org def t_NUMBER(self, t): 2346657Snate@binkert.org r'[0-9]+' 2356657Snate@binkert.org try: 2366657Snate@binkert.org t.value = int(t.value) 2376657Snate@binkert.org except ValueError: 2386657Snate@binkert.org raise TokenError("Illegal number", t) 2396657Snate@binkert.org return t 2406657Snate@binkert.org 2416657Snate@binkert.org def t_STRING1(self, t): 2426657Snate@binkert.org r'\"[^"\n]*\"' 2436657Snate@binkert.org t.type = 'STRING' 2446657Snate@binkert.org t.value = t.value[1:-1] 2456657Snate@binkert.org return t 2466657Snate@binkert.org 2476657Snate@binkert.org def t_STRING2(self, t): 2486657Snate@binkert.org r"\'[^'\n]*\'" 2496657Snate@binkert.org t.type = 'STRING' 2506657Snate@binkert.org t.value = t.value[1:-1] 2516657Snate@binkert.org return t 2526657Snate@binkert.org 2536657Snate@binkert.org def p_file(self, p): 2546657Snate@binkert.org "file : decls" 2556657Snate@binkert.org p[0] = p[1] 2566657Snate@binkert.org 2576657Snate@binkert.org def p_empty(self, p): 2586657Snate@binkert.org "empty :" 2596657Snate@binkert.org 2606657Snate@binkert.org def p_decls(self, p): 2616657Snate@binkert.org "decls : declsx" 2626657Snate@binkert.org p[0] = ast.DeclListAST(self, p[1]) 2636657Snate@binkert.org 2646657Snate@binkert.org def p_declsx__list(self, p): 2656657Snate@binkert.org "declsx : decl declsx" 2666657Snate@binkert.org p[0] = [ p[1] ] + p[2] 2676657Snate@binkert.org 2686657Snate@binkert.org def p_declsx__none(self, p): 2696657Snate@binkert.org "declsx : empty" 2706657Snate@binkert.org p[0] = [] 2716657Snate@binkert.org 2726657Snate@binkert.org def p_decl__machine(self, p): 2736657Snate@binkert.org "decl : MACHINE '(' ident pairs ')' ':' params '{' decls '}'" 2746657Snate@binkert.org p[0] = ast.MachineAST(self, p[3], p[4], p[7], p[9]) 2756657Snate@binkert.org 2766657Snate@binkert.org def p_decl__action(self, p): 2776657Snate@binkert.org "decl : ACTION '(' ident pairs ')' statements" 2786657Snate@binkert.org p[0] = ast.ActionDeclAST(self, p[3], p[4], p[6]) 2796657Snate@binkert.org 2806657Snate@binkert.org def p_decl__in_port(self, p): 2816657Snate@binkert.org "decl : IN_PORT '(' ident ',' type ',' var pairs ')' statements" 2826657Snate@binkert.org p[0] = ast.InPortDeclAST(self, p[3], p[5], p[7], p[8], p[10]) 2836657Snate@binkert.org 2846657Snate@binkert.org def p_decl__out_port(self, p): 2856657Snate@binkert.org "decl : OUT_PORT '(' ident ',' type ',' var pairs ')' SEMI" 2866657Snate@binkert.org p[0] = ast.OutPortDeclAST(self, p[3], p[5], p[7], p[8]) 2876657Snate@binkert.org 2886657Snate@binkert.org def p_decl__trans0(self, p): 2896657Snate@binkert.org "decl : TRANS '(' idents ',' idents ',' ident pairs ')' idents" 2906657Snate@binkert.org p[0] = ast.TransitionDeclAST(self, p[3], p[5], p[7], p[8], p[10]) 2916657Snate@binkert.org 2926657Snate@binkert.org def p_decl__trans1(self, p): 2936657Snate@binkert.org "decl : TRANS '(' idents ',' idents pairs ')' idents" 2946657Snate@binkert.org p[0] = ast.TransitionDeclAST(self, p[3], p[5], None, p[6], p[8]) 2956657Snate@binkert.org 2966657Snate@binkert.org def p_decl__extern0(self, p): 2976657Snate@binkert.org "decl : EXTERN_TYPE '(' type pairs ')' SEMI" 2986657Snate@binkert.org p[4]["external"] = "yes" 2996657Snate@binkert.org p[0] = ast.TypeDeclAST(self, p[3], p[4], []) 3006657Snate@binkert.org 3016657Snate@binkert.org def p_decl__extern1(self, p): 3026657Snate@binkert.org "decl : EXTERN_TYPE '(' type pairs ')' '{' type_methods '}'" 3036657Snate@binkert.org p[4]["external"] = "yes" 3046657Snate@binkert.org p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 3056657Snate@binkert.org 3066657Snate@binkert.org def p_decl__global(self, p): 3076657Snate@binkert.org "decl : GLOBAL '(' type pairs ')' '{' type_members '}'" 3086657Snate@binkert.org p[4]["global"] = "yes" 3096657Snate@binkert.org p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 3106657Snate@binkert.org 3116657Snate@binkert.org def p_decl__struct(self, p): 3126657Snate@binkert.org "decl : STRUCT '(' type pairs ')' '{' type_members '}'" 3136657Snate@binkert.org p[0] = ast.TypeDeclAST(self, p[3], p[4], p[7]) 3146657Snate@binkert.org 3156657Snate@binkert.org def p_decl__enum(self, p): 3166657Snate@binkert.org "decl : ENUM '(' type pairs ')' '{' type_enums '}'" 3176657Snate@binkert.org p[4]["enumeration"] = "yes" 3186657Snate@binkert.org p[0] = ast.EnumDeclAST(self, p[3], p[4], p[7]) 3196657Snate@binkert.org 3206657Snate@binkert.org def p_decl__object(self, p): 3216657Snate@binkert.org "decl : type ident pairs SEMI" 3226657Snate@binkert.org p[0] = ast.ObjDeclAST(self, p[1], p[2], p[3]) 3236657Snate@binkert.org 3246657Snate@binkert.org def p_decl__func_decl(self, p): 3256657Snate@binkert.org """decl : void ident '(' params ')' pairs SEMI 3266657Snate@binkert.org | type ident '(' params ')' pairs SEMI""" 3276657Snate@binkert.org p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], None) 3286657Snate@binkert.org 3296657Snate@binkert.org def p_decl__func_def(self, p): 3306657Snate@binkert.org """decl : void ident '(' params ')' pairs statements 3316657Snate@binkert.org | type ident '(' params ')' pairs statements""" 3326657Snate@binkert.org p[0] = ast.FuncDeclAST(self, p[1], p[2], p[4], p[6], p[7]) 3336657Snate@binkert.org 3346657Snate@binkert.org # Type fields 3356657Snate@binkert.org def p_type_members__list(self, p): 3366657Snate@binkert.org "type_members : type_member type_members" 3376657Snate@binkert.org p[0] = [ p[1] ] + p[2] 3386657Snate@binkert.org 3396657Snate@binkert.org def p_type_members__empty(self, p): 3406657Snate@binkert.org "type_members : empty" 3416657Snate@binkert.org p[0] = [] 3426657Snate@binkert.org 3436657Snate@binkert.org def p_type_member__1(self, p): 3446657Snate@binkert.org "type_member : type ident pairs SEMI" 3456657Snate@binkert.org p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], p[3], None) 3466657Snate@binkert.org 3476657Snate@binkert.org def p_type_member__2(self, p): 3486657Snate@binkert.org "type_member : type ident ASSIGN expr SEMI" 3496657Snate@binkert.org p[0] = ast.TypeFieldMemberAST(self, p[1], p[2], 3506657Snate@binkert.org ast.PairListAST(self), p[4]) 3516657Snate@binkert.org 3526657Snate@binkert.org # Methods 3536657Snate@binkert.org def p_type_methods__list(self, p): 3546657Snate@binkert.org "type_methods : type_method type_methods" 3556657Snate@binkert.org p[0] = [ p[1] ] + p[2] 3566657Snate@binkert.org 3576657Snate@binkert.org def p_type_methods(self, p): 3586657Snate@binkert.org "type_methods : empty" 3596657Snate@binkert.org p[0] = [] 3606657Snate@binkert.org 3616657Snate@binkert.org def p_type_method(self, p): 3626657Snate@binkert.org "type_method : type_or_void ident '(' types ')' pairs SEMI" 3636657Snate@binkert.org p[0] = ast.TypeFieldMethodAST(self, p[1], p[2], p[4], p[6]) 3646657Snate@binkert.org 3656657Snate@binkert.org # Enum fields 3666657Snate@binkert.org def p_type_enums__list(self, p): 3676657Snate@binkert.org "type_enums : type_enum type_enums" 3686657Snate@binkert.org p[0] = [ p[1] ] + p[2] 3696657Snate@binkert.org 3706657Snate@binkert.org def p_type_enums__empty(self, p): 3716657Snate@binkert.org "type_enums : empty" 3726657Snate@binkert.org p[0] = [] 3736657Snate@binkert.org 3746657Snate@binkert.org def p_type_enum(self, p): 3756657Snate@binkert.org "type_enum : ident pairs SEMI" 3766657Snate@binkert.org p[0] = ast.TypeFieldEnumAST(self, p[1], p[2]) 3776657Snate@binkert.org 3786657Snate@binkert.org # Type 3796657Snate@binkert.org def p_types__multiple(self, p): 3806657Snate@binkert.org "types : type ',' types" 3816657Snate@binkert.org p[0] = [ p[1] ] + p[3] 3826657Snate@binkert.org 3836657Snate@binkert.org def p_types__one(self, p): 3846657Snate@binkert.org "types : type" 3856657Snate@binkert.org p[0] = [ p[1] ] 3866657Snate@binkert.org 3876657Snate@binkert.org def p_types__empty(self, p): 3886657Snate@binkert.org "types : empty" 3896657Snate@binkert.org p[0] = [] 3906657Snate@binkert.org 3916657Snate@binkert.org def p_type(self, p): 3926657Snate@binkert.org "type : ident" 3936657Snate@binkert.org p[0] = ast.TypeAST(self, p[1]) 3946657Snate@binkert.org 3956657Snate@binkert.org def p_void(self, p): 3966657Snate@binkert.org "void : VOID" 3976657Snate@binkert.org p[0] = ast.TypeAST(self, p[1]) 3986657Snate@binkert.org 3996657Snate@binkert.org def p_type_or_void(self, p): 4006657Snate@binkert.org """type_or_void : type 4016657Snate@binkert.org | void""" 4026657Snate@binkert.org p[0] = p[1] 4036657Snate@binkert.org 4046657Snate@binkert.org # Formal Param 4056657Snate@binkert.org def p_params__many(self, p): 4066657Snate@binkert.org "params : param ',' params" 4076657Snate@binkert.org p[0] = [ p[1] ] + p[3] 4086657Snate@binkert.org 4096657Snate@binkert.org def p_params__one(self, p): 4106657Snate@binkert.org "params : param" 4116657Snate@binkert.org p[0] = [ p[1] ] 4126657Snate@binkert.org 4136657Snate@binkert.org def p_params__none(self, p): 4146657Snate@binkert.org "params : empty" 4156657Snate@binkert.org p[0] = [] 4166657Snate@binkert.org 4176657Snate@binkert.org def p_param(self, p): 4186657Snate@binkert.org "param : type ident" 4196657Snate@binkert.org p[0] = ast.FormalParamAST(self, p[1], p[2]) 4206657Snate@binkert.org 4216657Snate@binkert.org # Idents and lists 4226657Snate@binkert.org def p_idents__braced(self, p): 4236657Snate@binkert.org "idents : '{' identx '}'" 4246657Snate@binkert.org p[0] = p[2] 4256657Snate@binkert.org 4266657Snate@binkert.org def p_idents__bare(self, p): 4276657Snate@binkert.org "idents : ident" 4286657Snate@binkert.org p[0] = [ p[1] ] 4296657Snate@binkert.org 4306657Snate@binkert.org def p_identx__multiple_1(self, p): 4316657Snate@binkert.org """identx : ident SEMI identx 4326657Snate@binkert.org | ident ',' identx""" 4336657Snate@binkert.org p[0] = [ p[1] ] + p[3] 4346657Snate@binkert.org 4356657Snate@binkert.org def p_identx__multiple_2(self, p): 4366657Snate@binkert.org "identx : ident identx" 4376657Snate@binkert.org p[0] = [ p[1] ] + p[2] 4386657Snate@binkert.org 4396657Snate@binkert.org def p_identx__single(self, p): 4406657Snate@binkert.org "identx : empty" 4416657Snate@binkert.org p[0] = [ ] 4426657Snate@binkert.org 4436657Snate@binkert.org def p_ident(self, p): 4446657Snate@binkert.org "ident : IDENT" 4456657Snate@binkert.org p[0] = p[1] 4466657Snate@binkert.org 4476657Snate@binkert.org # Pair and pair lists 4486657Snate@binkert.org def p_pairs__list(self, p): 4496657Snate@binkert.org "pairs : ',' pairsx" 4506657Snate@binkert.org p[0] = p[2] 4516657Snate@binkert.org 4526657Snate@binkert.org def p_pairs__empty(self, p): 4536657Snate@binkert.org "pairs : empty" 4546657Snate@binkert.org p[0] = ast.PairListAST(self) 4556657Snate@binkert.org 4566657Snate@binkert.org def p_pairsx__many(self, p): 4576657Snate@binkert.org "pairsx : pair ',' pairsx" 4586657Snate@binkert.org p[0] = p[3] 4596657Snate@binkert.org p[0].addPair(p[1]) 4606657Snate@binkert.org 4616657Snate@binkert.org def p_pairsx__one(self, p): 4626657Snate@binkert.org "pairsx : pair" 4636657Snate@binkert.org p[0] = ast.PairListAST(self) 4646657Snate@binkert.org p[0].addPair(p[1]) 4656657Snate@binkert.org 4666657Snate@binkert.org def p_pair__assign(self, p): 4676657Snate@binkert.org """pair : ident '=' STRING 4686657Snate@binkert.org | ident '=' ident""" 4696657Snate@binkert.org p[0] = ast.PairAST(self, p[1], p[3]) 4706657Snate@binkert.org 4716657Snate@binkert.org def p_pair__literal(self, p): 4726657Snate@binkert.org "pair : STRING" 4736657Snate@binkert.org p[0] = ast.PairAST(self, "short", p[1]) 4746657Snate@binkert.org 4756657Snate@binkert.org # Below are the rules for action descriptions 4766657Snate@binkert.org def p_statements__inner(self, p): 4776657Snate@binkert.org "statements : '{' statements_inner '}'" 4786657Snate@binkert.org p[0] = ast.StatementListAST(self, p[2]) 4796657Snate@binkert.org 4806657Snate@binkert.org def p_statements__none(self, p): 4816657Snate@binkert.org "statements : '{' '}'" 4826657Snate@binkert.org p[0] = ast.StatementListAST(self, []) 4836657Snate@binkert.org 4846657Snate@binkert.org def p_statements_inner__many(self, p): 4856657Snate@binkert.org "statements_inner : statement statements_inner" 4866657Snate@binkert.org p[0] = [ p[1] ] + p[2] 4876657Snate@binkert.org 4886657Snate@binkert.org def p_statements_inner__one(self, p): 4896657Snate@binkert.org "statements_inner : statement" 4906657Snate@binkert.org p[0] = [ p[1] ] 4916657Snate@binkert.org 4926657Snate@binkert.org def p_exprs__multiple(self, p): 4936657Snate@binkert.org "exprs : expr ',' exprs" 4946657Snate@binkert.org p[0] = [ p[1] ] + p[3] 4956657Snate@binkert.org 4966657Snate@binkert.org def p_exprs__one(self, p): 4976657Snate@binkert.org "exprs : expr" 4986657Snate@binkert.org p[0] = [ p[1] ] 4996657Snate@binkert.org 5006657Snate@binkert.org def p_exprs__empty(self, p): 5016657Snate@binkert.org "exprs : empty""" 5026657Snate@binkert.org p[0] = [] 5036657Snate@binkert.org 5046657Snate@binkert.org def p_statement__expression(self, p): 5056657Snate@binkert.org "statement : expr SEMI" 5066657Snate@binkert.org p[0] = ast.ExprStatementAST(self, p[1]) 5076657Snate@binkert.org 5086657Snate@binkert.org def p_statement__assign(self, p): 5096657Snate@binkert.org "statement : expr ASSIGN expr SEMI" 5106657Snate@binkert.org p[0] = ast.AssignStatementAST(self, p[1], p[3]) 5116657Snate@binkert.org 5126657Snate@binkert.org def p_statement__enqueue(self, p): 5136657Snate@binkert.org "statement : ENQUEUE '(' var ',' type pairs ')' statements" 5146657Snate@binkert.org p[0] = ast.EnqueueStatementAST(self, p[3], p[5], p[6], p[8]) 5156657Snate@binkert.org 5166657Snate@binkert.org def p_statement__peek(self, p): 5176863Sdrh5@cs.wisc.edu "statement : PEEK '(' var ',' type pairs ')' statements" 5186863Sdrh5@cs.wisc.edu p[0] = ast.PeekStatementAST(self, p[3], p[5], p[6], p[8], "peek") 5196657Snate@binkert.org 5206657Snate@binkert.org def p_statement__copy_head(self, p): 5216657Snate@binkert.org "statement : COPY_HEAD '(' var ',' var pairs ')' SEMI" 5226657Snate@binkert.org p[0] = ast.CopyHeadStatementAST(self, p[3], p[5], p[6]) 5236657Snate@binkert.org 5246657Snate@binkert.org def p_statement__check_allocate(self, p): 5256657Snate@binkert.org "statement : CHECK_ALLOCATE '(' var ')' SEMI" 5266657Snate@binkert.org p[0] = ast.CheckAllocateStatementAST(self, p[3]) 5276657Snate@binkert.org 5286657Snate@binkert.org def p_statement__check_stop(self, p): 5296657Snate@binkert.org "statement : CHECK_STOP_SLOTS '(' var ',' STRING ',' STRING ')' SEMI" 5306657Snate@binkert.org p[0] = ast.CheckStopStatementAST(self, p[3], p[5], p[7]) 5316657Snate@binkert.org 5326657Snate@binkert.org def p_statement__return(self, p): 5336657Snate@binkert.org "statement : RETURN expr SEMI" 5346657Snate@binkert.org p[0] = ast.ReturnStatementAST(self, p[2]) 5356657Snate@binkert.org 5366657Snate@binkert.org def p_statement__if(self, p): 5376657Snate@binkert.org "statement : if_statement" 5386657Snate@binkert.org p[0] = p[1] 5396657Snate@binkert.org 5406657Snate@binkert.org def p_if_statement__if(self, p): 5416657Snate@binkert.org "if_statement : IF '(' expr ')' statements" 5426657Snate@binkert.org p[0] = ast.IfStatementAST(self, p[3], p[5], None) 5436657Snate@binkert.org 5446657Snate@binkert.org def p_if_statement__if_else(self, p): 5456657Snate@binkert.org "if_statement : IF '(' expr ')' statements ELSE statements" 5466657Snate@binkert.org p[0] = ast.IfStatementAST(self, p[3], p[5], p[7]) 5476657Snate@binkert.org 5486657Snate@binkert.org def p_statement__if_else_if(self, p): 5496657Snate@binkert.org "if_statement : IF '(' expr ')' statements ELSE if_statement" 5506657Snate@binkert.org p[0] = ast.IfStatementAST(self, p[3], p[5], 5516657Snate@binkert.org ast.StatementListAST(self, p[7])) 5526657Snate@binkert.org 5536657Snate@binkert.org def p_expr__var(self, p): 5546657Snate@binkert.org "aexpr : var" 5556657Snate@binkert.org p[0] = p[1] 5566657Snate@binkert.org 5576657Snate@binkert.org def p_expr__literal(self, p): 5586657Snate@binkert.org "aexpr : literal" 5596657Snate@binkert.org p[0] = p[1] 5606657Snate@binkert.org 5616657Snate@binkert.org def p_expr__enumeration(self, p): 5626657Snate@binkert.org "aexpr : enumeration" 5636657Snate@binkert.org p[0] = p[1] 5646657Snate@binkert.org 5656657Snate@binkert.org def p_expr__func_call(self, p): 5666657Snate@binkert.org "aexpr : ident '(' exprs ')'" 5676657Snate@binkert.org p[0] = ast.FuncCallExprAST(self, p[1], p[3]) 5686657Snate@binkert.org 5696657Snate@binkert.org def p_expr__new(self, p): 5706657Snate@binkert.org "aexpr : NEW type" 5716657Snate@binkert.org p[0] = ast.NewExprAST(self, p[2]) 5726657Snate@binkert.org 5736657Snate@binkert.org # globally access a local chip component and call a method 5746657Snate@binkert.org def p_expr__local_chip_method(self, p): 5756657Snate@binkert.org "aexpr : THIS DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 5766657Snate@binkert.org p[0] = ast.LocalChipMethodAST(self, p[3], p[5], p[8], p[10], p[12]) 5776657Snate@binkert.org 5786657Snate@binkert.org # globally access a local chip component and access a data member 5796657Snate@binkert.org def p_expr__local_chip_member(self, p): 5806657Snate@binkert.org "aexpr : THIS DOT var '[' expr ']' DOT var DOT field" 5816657Snate@binkert.org p[0] = ast.LocalChipMemberAST(self, p[3], p[5], p[8], p[10]) 5826657Snate@binkert.org 5836657Snate@binkert.org # globally access a specified chip component and call a method 5846657Snate@binkert.org def p_expr__specified_chip_method(self, p): 5856657Snate@binkert.org "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT ident '(' exprs ')'" 5866657Snate@binkert.org p[0] = ast.SpecifiedChipMethodAST(self, p[3], p[6], p[8], p[11], p[13], 5876657Snate@binkert.org p[15]) 5886657Snate@binkert.org 5896657Snate@binkert.org # globally access a specified chip component and access a data member 5906657Snate@binkert.org def p_expr__specified_chip_member(self, p): 5916657Snate@binkert.org "aexpr : CHIP '[' expr ']' DOT var '[' expr ']' DOT var DOT field" 5926657Snate@binkert.org p[0] = ast.SpecifiedChipMemberAST(self, p[3], p[6], p[8], p[11], p[13]) 5936657Snate@binkert.org 5946657Snate@binkert.org def p_expr__member(self, p): 5956657Snate@binkert.org "aexpr : aexpr DOT ident" 5966657Snate@binkert.org p[0] = ast.MemberExprAST(self, p[1], p[3]) 5976657Snate@binkert.org 5986657Snate@binkert.org def p_expr__member_method_call(self, p): 5996657Snate@binkert.org "aexpr : aexpr DOT ident '(' exprs ')'" 6006657Snate@binkert.org p[0] = ast.MemberMethodCallExprAST(self, p[1], p[3], p[5]) 6016657Snate@binkert.org 6026657Snate@binkert.org def p_expr__member_method_call_lookup(self, p): 6036657Snate@binkert.org "aexpr : aexpr '[' exprs ']'" 6046657Snate@binkert.org p[0] = ast.MemberMethodCallExprAST(self, p[1], "lookup", p[3]) 6056657Snate@binkert.org 6066657Snate@binkert.org def p_expr__class_method_call(self, p): 6076657Snate@binkert.org "aexpr : type DOUBLE_COLON ident '(' exprs ')'" 6086657Snate@binkert.org p[0] = ast.ClassMethodCallExprAST(self, p[1], p[3], p[5]) 6096657Snate@binkert.org 6106657Snate@binkert.org def p_expr__aexpr(self, p): 6116657Snate@binkert.org "expr : aexpr" 6126657Snate@binkert.org p[0] = p[1] 6136657Snate@binkert.org 6146657Snate@binkert.org def p_expr__binary_op(self, p): 6156657Snate@binkert.org """expr : expr STAR expr 6166657Snate@binkert.org | expr SLASH expr 6176657Snate@binkert.org | expr PLUS expr 6186657Snate@binkert.org | expr DASH expr 6196657Snate@binkert.org | expr LT expr 6206657Snate@binkert.org | expr GT expr 6216657Snate@binkert.org | expr LE expr 6226657Snate@binkert.org | expr GE expr 6236657Snate@binkert.org | expr EQ expr 6246657Snate@binkert.org | expr NE expr 6256657Snate@binkert.org | expr AND expr 6266657Snate@binkert.org | expr OR expr 6276657Snate@binkert.org | expr RIGHTSHIFT expr 6286657Snate@binkert.org | expr LEFTSHIFT expr""" 6296657Snate@binkert.org p[0] = ast.InfixOperatorExprAST(self, p[1], p[2], p[3]) 6306657Snate@binkert.org 6316657Snate@binkert.org # FIXME - unary not 6326657Snate@binkert.org def p_expr__unary_op(self, p): 6336657Snate@binkert.org """expr : NOT expr 6346657Snate@binkert.org | DASH expr %prec UMINUS""" 6356657Snate@binkert.org p[0] = PrefixOperatorExpr(p[1], p[2]) 6366657Snate@binkert.org 6376657Snate@binkert.org def p_expr__parens(self, p): 6386657Snate@binkert.org "aexpr : '(' expr ')'" 6396657Snate@binkert.org p[0] = p[2] 6406657Snate@binkert.org 6416657Snate@binkert.org def p_literal__string(self, p): 6426657Snate@binkert.org "literal : STRING" 6436657Snate@binkert.org p[0] = ast.LiteralExprAST(self, p[1], "string") 6446657Snate@binkert.org 6456657Snate@binkert.org def p_literal__number(self, p): 6466657Snate@binkert.org "literal : NUMBER" 6476657Snate@binkert.org p[0] = ast.LiteralExprAST(self, p[1], "int") 6486657Snate@binkert.org 6496657Snate@binkert.org def p_literal__float(self, p): 6506657Snate@binkert.org "literal : FLOATNUMBER" 6516657Snate@binkert.org p[0] = ast.LiteralExprAST(self, p[1], "int") 6526657Snate@binkert.org 6536657Snate@binkert.org def p_literal__bool(self, p): 6546657Snate@binkert.org "literal : LIT_BOOL" 6556657Snate@binkert.org p[0] = ast.LiteralExprAST(self, p[1], "bool") 6566657Snate@binkert.org 6576657Snate@binkert.org def p_enumeration(self, p): 6586657Snate@binkert.org "enumeration : ident ':' ident" 6596657Snate@binkert.org p[0] = ast.EnumExprAST(self, ast.TypeAST(self, p[1]), p[3]) 6606657Snate@binkert.org 6616657Snate@binkert.org def p_var(self, p): 6626657Snate@binkert.org "var : ident" 6636657Snate@binkert.org p[0] = ast.VarExprAST(self, p[1]) 6646657Snate@binkert.org 6656657Snate@binkert.org def p_field(self, p): 6666657Snate@binkert.org "field : ident" 6676657Snate@binkert.org p[0] = p[1] 668