diff options
| -rw-r--r-- | Asm.py | 17 | ||||
| -rw-r--r-- | AsmLine.py | 17 | ||||
| -rw-r--r-- | AsmParser.py | 17 | ||||
| -rw-r--r-- | Function.py | 15 | ||||
| -rw-r--r-- | LICENSE | 19 | ||||
| -rw-r--r-- | LinkedNode.py | 23 | ||||
| -rw-r--r-- | NamedId.py | 15 | ||||
| -rw-r--r-- | Registers.py | 19 | ||||
| -rw-r--r-- | Variables.py | 19 | ||||
| -rwxr-xr-x | pp2cc.py | 43 |
10 files changed, 89 insertions, 115 deletions
@@ -1,22 +1,17 @@ #!/usr/bin/env python """Compiles C into assembly for the practicum processor (PP2) -All rights reserved, you may not redistribute or use this program without prior -permission from Peter Wu or Xander Houtman. Use of this program is entirely -your own risk. In no circumstances can the authors of this program be held -responsible for any damage including, but not limited to, financial damage or -data loss. Modification of this program is not allowed without prior -permission. The generated output (assembly and messages) are not subject to -this license. +Copyright (C) 2011-2014 Peter Wu <lekensteyn@gmail.com> +Licensed under the MIT license <http://opensource.org/licenses/MIT>. """ __author__ = "Peter Wu" -__copyright__ = "Copyright 2011, Peter Wu" +__copyright__ = "Copyright (C) 2011-2014 Peter Wu" __credits__ = ["Peter Wu"] -__license__ = "Proprietary" +__license__ = "MIT" __version__ = "1.0" __maintainer__ = "Peter Wu" -__email__ = "uwretep@gmail.com" +__email__ = "lekensteyn@gmail.com" import re @@ -87,7 +82,7 @@ class Asm(object): return label[0].strip(": ") def noop(self, label, register="R0"): """Returns a labelled no operation operator - + Note that the Zero, Negative and oVerflow flags are modified """ return self.binary_op("LOAD", register, register, label) + " ; NOOP" @@ -1,22 +1,17 @@ #!/usr/bin/env python """Compiles C into assembly for the practicum processor (PP2) -All rights reserved, you may not redistribute or use this program without prior -permission from Peter Wu or Xander Houtman. Use of this program is entirely -your own risk. In no circumstances can the authors of this program be held -responsible for any damage including, but not limited to, financial damage or -data loss. Modification of this program is not allowed without prior -permission. The generated output (assembly and messages) are not subject to -this license. +Copyright (C) 2011-2014 Peter Wu <lekensteyn@gmail.com> +Licensed under the MIT license <http://opensource.org/licenses/MIT>. """ __author__ = "Peter Wu" -__copyright__ = "Copyright 2011, Peter Wu" +__copyright__ = "Copyright (C) 2011-2014 Peter Wu" __credits__ = ["Peter Wu"] -__license__ = "Proprietary" +__license__ = "MIT" __version__ = "1.0" __maintainer__ = "Peter Wu" -__email__ = "uwretep@gmail.com" +__email__ = "lekensteyn@gmail.com" import re from Asm import Asm @@ -48,7 +43,7 @@ class AsmLine(object): parts = self.re_whitespace.split(line, 1) self.instruction = parts[0] - + if self.instruction in Asm.operators_binary: # a label for sure reg, operand = self.re_whitespace.split(parts[1], 1) diff --git a/AsmParser.py b/AsmParser.py index 13b41b8..c2d0921 100644 --- a/AsmParser.py +++ b/AsmParser.py @@ -1,22 +1,17 @@ #!/usr/bin/env python """Compiles C into assembly for the practicum processor (PP2) -All rights reserved, you may not redistribute or use this program without prior -permission from Peter Wu or Xander Houtman. Use of this program is entirely -your own risk. In no circumstances can the authors of this program be held -responsible for any damage including, but not limited to, financial damage or -data loss. Modification of this program is not allowed without prior -permission. The generated output (assembly and messages) are not subject to -this license. +Copyright (C) 2011-2014 Peter Wu <lekensteyn@gmail.com> +Licensed under the MIT license <http://opensource.org/licenses/MIT>. """ __author__ = "Peter Wu" -__copyright__ = "Copyright 2011, Peter Wu" +__copyright__ = "Copyright (C) 2011-2014 Peter Wu" __credits__ = ["Peter Wu"] -__license__ = "Proprietary" +__license__ = "MIT" __version__ = "1.0" __maintainer__ = "Peter Wu" -__email__ = "uwretep@gmail.com" +__email__ = "lekensteyn@gmail.com" from AsmLine import AsmLine from NamedId import NamedId @@ -75,7 +70,7 @@ class AsmParser(object): cmd, opts = re.split("\s+", line + " ", 1) cmd = cmd[1:] opts = opts.strip() - + if cmd == "CODE": self.in_section = "CODE" elif cmd == "DATA": diff --git a/Function.py b/Function.py index 6be2bfe..3d8d59c 100644 --- a/Function.py +++ b/Function.py @@ -1,22 +1,17 @@ #!/usr/bin/env python """Compiles C into assembly for the practicum processor (PP2) -All rights reserved, you may not redistribute or use this program without prior -permission from Peter Wu or Xander Houtman. Use of this program is entirely -your own risk. In no circumstances can the authors of this program be held -responsible for any damage including, but not limited to, financial damage or -data loss. Modification of this program is not allowed without prior -permission. The generated output (assembly and messages) are not subject to -this license. +Copyright (C) 2011-2014 Peter Wu <lekensteyn@gmail.com> +Licensed under the MIT license <http://opensource.org/licenses/MIT>. """ __author__ = "Peter Wu" -__copyright__ = "Copyright 2011, Peter Wu" +__copyright__ = "Copyright (C) 2011-2014 Peter Wu" __credits__ = ["Peter Wu"] -__license__ = "Proprietary" +__license__ = "MIT" __version__ = "1.0" __maintainer__ = "Peter Wu" -__email__ = "uwretep@gmail.com" +__email__ = "lekensteyn@gmail.com" class Function(object): def __init__(self, decl_node, is_static=False, uniq_provider=None): @@ -0,0 +1,19 @@ +Copyright (c) 2011-2014 Peter Wu <lekensteyn@gmail.com> + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE +OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/LinkedNode.py b/LinkedNode.py index b24812a..61ffa74 100644 --- a/LinkedNode.py +++ b/LinkedNode.py @@ -1,28 +1,23 @@ #!/usr/bin/env python """Compiles C into assembly for the practicum processor (PP2) -All rights reserved, you may not redistribute or use this program without prior -permission from Peter Wu or Xander Houtman. Use of this program is entirely -your own risk. In no circumstances can the authors of this program be held -responsible for any damage including, but not limited to, financial damage or -data loss. Modification of this program is not allowed without prior -permission. The generated output (assembly and messages) are not subject to -this license. +Copyright (C) 2011-2014 Peter Wu <lekensteyn@gmail.com> +Licensed under the MIT license <http://opensource.org/licenses/MIT>. """ __author__ = "Peter Wu" -__copyright__ = "Copyright 2011, Peter Wu" +__copyright__ = "Copyright (C) 2011-2014 Peter Wu" __credits__ = ["Peter Wu"] -__license__ = "Proprietary" +__license__ = "MIT" __version__ = "1.0" __maintainer__ = "Peter Wu" -__email__ = "uwretep@gmail.com" +__email__ = "lekensteyn@gmail.com" class LinkedNode(object): """Stores nodes with a reference to the parent""" def __init__(self, node, parent=None, level_increment=False): """Holds properties for a node - + Keyword arguments: node -- a Node object which is an object from the c_ast class parent -- a parent LinkedNode object @@ -109,14 +104,14 @@ class LinkedNode(object): return "Unknown" def setBreak(self, break_label): """Marks this node as a loop or switch by setting the label for break - + Keywords arguments: break_label -- The label to continue when using the break keyword """ self.break_label = break_label def setContinue(self, continue_label): """Marks this node as a loop by setting the label for continue - + Keywords arguments: continue_label -- The label to continue when using the continue keyword """ @@ -138,7 +133,7 @@ class LinkedNode(object): return None def setLabel(self, label_name, label_asm): """Sets the label for this node - + Keyword arguments: label_name -- The label name as can be used in C label_asm -- The label as it appears in assembly @@ -1,22 +1,17 @@ #!/usr/bin/env python """Compiles C into assembly for the practicum processor (PP2) -All rights reserved, you may not redistribute or use this program without prior -permission from Peter Wu or Xander Houtman. Use of this program is entirely -your own risk. In no circumstances can the authors of this program be held -responsible for any damage including, but not limited to, financial damage or -data loss. Modification of this program is not allowed without prior -permission. The generated output (assembly and messages) are not subject to -this license. +Copyright (C) 2011-2014 Peter Wu <lekensteyn@gmail.com> +Licensed under the MIT license <http://opensource.org/licenses/MIT>. """ __author__ = "Peter Wu" -__copyright__ = "Copyright 2011, Peter Wu" +__copyright__ = "Copyright (C) 2011-2014 Peter Wu" __credits__ = ["Peter Wu"] -__license__ = "Proprietary" +__license__ = "MIT" __version__ = "1.0" __maintainer__ = "Peter Wu" -__email__ = "uwretep@gmail.com" +__email__ = "lekensteyn@gmail.com" class NamedId(object): def __init__(self, name): diff --git a/Registers.py b/Registers.py index 13149fb..3784f96 100644 --- a/Registers.py +++ b/Registers.py @@ -1,28 +1,23 @@ #!/usr/bin/env python """Compiles C into assembly for the practicum processor (PP2) -All rights reserved, you may not redistribute or use this program without prior -permission from Peter Wu or Xander Houtman. Use of this program is entirely -your own risk. In no circumstances can the authors of this program be held -responsible for any damage including, but not limited to, financial damage or -data loss. Modification of this program is not allowed without prior -permission. The generated output (assembly and messages) are not subject to -this license. +Copyright (C) 2011-2014 Peter Wu <lekensteyn@gmail.com> +Licensed under the MIT license <http://opensource.org/licenses/MIT>. """ import re __author__ = "Peter Wu" -__copyright__ = "Copyright 2011, Peter Wu" +__copyright__ = "Copyright (C) 2011-2014 Peter Wu" __credits__ = ["Peter Wu"] -__license__ = "Proprietary" +__license__ = "MIT" __version__ = "1.0" __maintainer__ = "Peter Wu" -__email__ = "uwretep@gmail.com" +__email__ = "lekensteyn@gmail.com" class Registers(object): """Register related functions - + Some functions were supposed to optimize things (alloc and free), but it's not implemented """ @@ -131,7 +126,7 @@ class Registers(object): return None def is_register_changed(self, line, register): """Returns True if the register is possibly modified in the line - + Keyword arguments: line -- The instruction line to be analyzed register -- The register to be looked for in the line diff --git a/Variables.py b/Variables.py index 26de704..6656e82 100644 --- a/Variables.py +++ b/Variables.py @@ -1,27 +1,22 @@ #!/usr/bin/env python """Compiles C into assembly for the practicum processor (PP2) -All rights reserved, you may not redistribute or use this program without prior -permission from Peter Wu or Xander Houtman. Use of this program is entirely -your own risk. In no circumstances can the authors of this program be held -responsible for any damage including, but not limited to, financial damage or -data loss. Modification of this program is not allowed without prior -permission. The generated output (assembly and messages) are not subject to -this license. +Copyright (C) 2011-2014 Peter Wu <lekensteyn@gmail.com> +Licensed under the MIT license <http://opensource.org/licenses/MIT>. """ __author__ = "Peter Wu" -__copyright__ = "Copyright 2011, Peter Wu" +__copyright__ = "Copyright (C) 2011-2014 Peter Wu" __credits__ = ["Peter Wu"] -__license__ = "Proprietary" +__license__ = "MIT" __version__ = "1.0" __maintainer__ = "Peter Wu" -__email__ = "uwretep@gmail.com" +__email__ = "lekensteyn@gmail.com" class Variables(object): def __init__(self, parent_variables): """A scope for holding variable names - + Keywords arguments: parent_variables -- the parent Variables object. If None, it's a global variable scope @@ -79,7 +74,7 @@ class Variables(object): class GlobalVariables(Variables): def __init__(self, defined_names): """A scope for holding variable names - + Keywords arguments: defined_names -- A dictionary holding identifiers which are already defined in assembly @@ -1,13 +1,8 @@ #!/usr/bin/env python """Compiles C into assembly for the practicum processor (PP2) -All rights reserved, you may not redistribute or use this program without prior -permission from Peter Wu or Xander Houtman. Use of this program is entirely -your own risk. In no circumstances can the authors of this program be held -responsible for any damage including, but not limited to, financial damage or -data loss. Modification of this program is not allowed without prior -permission. The generated output (assembly and messages) are not subject to -this license. +Copyright (C) 2011-2014 Peter Wu <lekensteyn@gmail.com> +Licensed under the MIT license <http://opensource.org/licenses/MIT>. """ import sys, re, os, operator @@ -20,12 +15,12 @@ from Variables import Variables, GlobalVariables from AsmParser import AsmParser __author__ = "Peter Wu" -__copyright__ = "Copyright 2011, Peter Wu" -__credits__ = ["Peter Wu", "Xander Houtman"] -__license__ = "Proprietary" +__copyright__ = "Copyright (C) 2011-2014 Peter Wu" +__credits__ = ["Xander Houtman"] +__license__ = "MIT" __version__ = "1.0" __maintainer__ = "Peter Wu" -__email__ = "uwretep@gmail.com" +__email__ = "lekensteyn@gmail.com" class Logger(object): def __init__(self): @@ -270,7 +265,7 @@ class Parse(object): def parseBinaryLogicalOp(self, linked_node): """Returns lines of assembly for a logical OR or AND operation - + ASM for logical OR: operand1 BEQ fal ; if operand1 is false @@ -280,7 +275,7 @@ class Parse(object): BRA end fal:LOAD R0 0 end:NOOP - + ASM for logical AND: operand1 BNE tru ; if operand1 is true @@ -403,7 +398,7 @@ class Parse(object): return lines def processShift(self, operator, reg_number, operand_shift, linked_node=None): """Returns lines for a shift expression - + Keyword arguments: operator -- Either >> for right shift or << for left shift reg_number -- A register Rn containing the number to be shifted @@ -435,7 +430,7 @@ class Parse(object): lines.append(self.asm.binary_op("DIV", reg_number, 2)) mask = "%0" + (self.WORDSIZE - 1) * "1" lines.append(self.asm.binary_op("AND", reg_number, mask)) - + # decrease shift count and finish if shift count <= 0 lines.append(self.asm.binary_op("SUB", reg_shift, 1)) lines.append(self.asm.branch_op("BLE", lbl_shift_end)) @@ -528,10 +523,10 @@ class Parse(object): return lines def parseUnaryOp(self, linked_node): """Returns lines of assembly for unary operators - + Supported operators are logical negation, one's complement (bitwise NOT), plus and minus - + ASM for logical NOT: operand BEQ fal ; if operand is false @@ -581,14 +576,14 @@ class Parse(object): return lines def parseTernaryOp(self, linked_node): """Returns lines of ASM for ternary operation cond?expr_true:expr_false - + It looks very similar to an If expect that the return value is important """ linked_node.incrementLevel() node = linked_node.node lbl_el = self.uniqLbl("el") # else lbl_end = self.uniqLbl("fi") # endif - + lines = self.parseExpression(node.cond, linked_node) lines.append(self.asm.branch_op("BEQ", lbl_el)) @@ -618,7 +613,7 @@ class Parse(object): return lines def convertInteger(self, value=None, node=None): """Returns a string of the value - + For integers, the string returned is a base-10 number modulo WORDSIZE """ if value is None: @@ -828,7 +823,7 @@ class Parse(object): return lines def parseFor(self, linked_node): """Returns ASM for a for loop - + for (init; cond; next) { body; } is equivalent to: init; while (cond) { body; next; } Note that for (;;){} is allowed too which is equivalent to: @@ -954,7 +949,7 @@ class Parse(object): return lines def parseLValue(self, linked_node, register="R0"): """Returns lines of ASM for a lvalue type. - + It's assumed that register does not change to another one. If this is changed in the future, please revisit all uses of it. """ @@ -1154,7 +1149,7 @@ class Parse(object): print("case label does not reduce to an integer constant") print(e) raise - + lines_cases.append(self.asm.binary_op("CMP", switch_reg, case_val)) lines_cases.append(self.asm.branch_op("BEQ", lbl_case)) lines_stmts.append(self.asm.noop(lbl_case)) @@ -1486,7 +1481,7 @@ Options: try: parse = Parse() - + for filename in settings["input_files"]: parse.loadFile(filename, use_cpp=settings["use_cpp"], cpp_args=settings["cpp_args"]) |