Dodal tabelo opcodeu, main, mal prilagodil strukturo

ass3/zbirnik/src/zbirnik/EmitCtx.py

@@ -1,6 +1,10 @@
 class EmitContext:
-    def __init__(self, opcodes, registers, symtab):
+    REGISTERS = {
+        'A': 0, 'X': 1, 'L': 2,
+        'B': 3, 'S': 4, 'T': 5, 'F': 6
+    }
+
+    def __init__(self, opcodes, symtab):
         self.opcodes = opcodes
-        self.registers = registers
         self.symtab = symtab
         self.base = None

ass3/zbirnik/src/zbirnik/code.py

@@ -2,17 +2,14 @@ from zbirnik.ukazi.node import Node
 
 class Code:
 
-    REGISTERS = {'A': 0, 'X': 1, 'L': 2, 'B': 3, 'S': 4, 'T': 5, 'F': 6 }
-
     def __init__(self, name: str | None = None):
         self.name = name
         self.nodes = []          
         self.locctr = 0
         self.symtab = {}
-        self.start_adress = 0
+        self.start_address = 0
-        self.entry_point = 0
+        self.entry_point = None
         self.program_length = 0
-        self.obj = ""
 
     def add(self, node: Node):
         self.nodes.append(node)

ass3/zbirnik/src/zbirnik/main.py

@@ -0,0 +1,32 @@
+from zbirnik.parser import parser
+from zbirnik.code import Code
+from zbirnik.EmitCtx import EmitContext
+from zbirnik.mnemoniki.mnemoniki_tabela import MNEMONICS
+from zbirnik.opcodes import OPCODES
+
+print("Vnesite ime programa (.asm), ki je v istem direktoriju kakor main.py: ")
+ime = input()
+
+if not ime.endswith(".asm"):
+    raise ValueError("Ime programa ni v pravi obliki, mora biti: ime.asm")
+
+code = Code()
+
+with open(ime) as f:
+    for line in f:
+        ctx = parser.parse(line)
+
+        if ctx is None:
+            continue
+
+        mnemonic = MNEMONICS[ctx.mnemonic]
+        node = mnemonic.parse(ctx)
+        code.add(node)
+
+
+code.pass1()
+
+ctx_emit = EmitContext(opcodes=OPCODES,symtab=code.symtab)
+
+binary = code.pass2(ctx_emit)
+print(binary.hex())

ass3/zbirnik/src/zbirnik/mnemoniki/mnemoniki_tabela.py

@@ -1,4 +1,4 @@
-from mnemoniki import (
+from zbirnik.mnemoniki import (
     mnemonicD, mnemonicDn,
     mnemonicF1, mnemonicF2n, mnemonicF2r, mnemonicF2rn, mnemonicF2rr,
     mnemonicF3, mnemonicF3m, mnemonicF4m,

ass3/zbirnik/src/zbirnik/opcodes.py

@@ -0,0 +1,61 @@
+OPCODES = {
+    "FIX":   0xC4,
+    "FLOAT": 0xC0,
+    "HIO":   0xF4,
+    "NORM":  0xC8,
+    "SIO":   0xF0,
+    "TIO":   0xF8,
+    "ADDR":   0x90,
+    "CLEAR":  0xB4,
+    "COMPR":  0xA0,
+    "DIVR":   0x9C,
+    "MULR":   0x98,
+    "RMO":    0xAC,
+    "SHIFTL": 0xA4,
+    "SHIFTR": 0xA8,
+    "SUBR":   0x94,
+    "SVC":    0xB0,
+    "TIXR":   0xB8,
+    "ADD":   0x18,
+    "ADDF":  0x58,
+    "AND":   0x40,
+    "COMP":  0x28,
+    "COMPF": 0x88,
+    "DIV":   0x24,
+    "DIVF":  0x64,
+    "J":     0x3C,
+    "JEQ":   0x30,
+    "JGT":   0x34,
+    "JLT":   0x38,
+    "JSUB":  0x48,
+    "LDA":   0x00,
+    "LDB":   0x68,
+    "LDCH":  0x50,
+    "LDF":   0x70,
+    "LDL":   0x08,
+    "LDS":   0x6C,
+    "LDT":   0x74,
+    "LDX":   0x04,
+    "LPS":   0xD0,
+    "MUL":   0x20,
+    "MULF":  0x60,
+    "OR":    0x44,
+    "RD":    0xD8,
+    "RSUB":  0x4C,
+    "SSK":   0xEC,
+    "STA":   0x0C,
+    "STB":   0x78,
+    "STCH":  0x54,
+    "STF":   0x80,
+    "STI":   0xD4,
+    "STL":   0x14,
+    "STS":   0x7C,
+    "STSW":  0xE8,
+    "STT":   0x84,
+    "STX":   0x10,
+    "SUB":   0x1C,
+    "SUBF":  0x5C,
+    "TD":    0xE0,
+    "TIX":   0x2C,
+    "WD":    0xDC,
+}

ass3/zbirnik/src/zbirnik/parser.py

@@ -1,8 +1,10 @@
 import ply.lex
 import ply.yacc
-import sys
+from zbirnik.parserctx import ParserContext
 
-# Lexer.
+# --------------------
+# Lexer
+# --------------------
 tokens = (
     'AT',
     'COMMA',
@@ -36,54 +38,85 @@ def t_COMMENT(t):
 t_ignore = ' \t\n'
 
 def t_error(t):
-    print(f'illegal character {t}')
+    print(f"Illegal character {t.value[0]!r}")
     t.lexer.skip(1)
 
 lexer = ply.lex.lex()
 
-# Parser.
+# --------------------
+# Parser
+# --------------------
+
 def p_start(p):
     r'''start : LABEL command
+             | command
              | COMMENT
-            | command'''
+    '''
+    # komentar
+    if len(p) == 2 and isinstance(p[1], str):
+        p[0] = None
+        return
+
+    # brez labela
     if len(p) == 2:
-        if isinstance(p[1], str):
+        label = None
-            p[0] = ('COMMENT', p[1])
+        mnemonic, operands = p[1]
     else:
-            p[0] = (None, p[1])
+        label = p[1]
-    else:
+        mnemonic, operands = p[2]
-        p[0] = tuple(p[1:])
+
+    p[0] = ParserContext(label, mnemonic, operands)
+
 
 def p_command(p):
     r'''command : MNEMONIC
-            | MNEMONIC args'''
+               | MNEMONIC args
-    p[0] = p[1:]
+    '''
+    if len(p) == 2:
+        p[0] = (p[1], [])
+    else:
+        p[0] = (p[1], list(p[2]))
+
 
 def p_args(p):
     r'''args : operand
-            | operand COMMA operand'''
+            | operand COMMA operand
-    match len(p):
+    '''
-        case 2: p[0] = (p[1],)
+    if len(p) == 2:
-        case 4: p[0] = (p[1], p[3])
+        p[0] = [p[1]]
+    else:
+        p[0] = [p[1], p[3]]
+
 
 def p_operand(p):
     r'''operand : REGISTER
                | AT address
                | HASH address
-            | address'''
+               | address
-    p[0] = p[1:]
+    '''
+    if len(p) == 2:
+        p[0] = p[1]
+    else:
+        # @X ali #5 → zadrži znak
+        p[0] = (p[1], p[2])
+
 
 def p_address(p):
     r'''address : NUMBER
-            | SYMBOL'''
+               | SYMBOL
+    '''
     p[0] = p[1]
 
+
 def p_error(p):
     if p:
-         print('Syntax error at token', p)
+        raise SyntaxError(f"Syntax error at token {p}")
-         parser.errok()
     else:
-         print('Syntax error at EOF')
+        raise SyntaxError("Syntax error at EOF")
+
+
+parser = ply.yacc.yacc()
+
 
 if __name__ == '__main__':
     import sys

ass3/zbirnik/src/zbirnik/ukazi/f2.py

@@ -14,14 +14,14 @@ class f2(Node):
         opcode = ctx.opcodes[self.mnemonic]
 
         if isinstance(self.r1, str):
-            r1_val = ctx.registers[self.r1]
+            r1_val = ctx.REGISTERS[self.r1]
         else:
             r1_val = self.r1
 
         if self.r2 is None:
             r2_val = 0
         elif isinstance(self.r2, str):
-            r2_val = ctx.registers[self.r2]
+            r2_val = ctx.REGISTERS[self.r2]
         else:
             r2_val = self.r2
 

ass3/zbirnik/src/zbirnik/ukazi/storage.py

@@ -1,14 +1,23 @@
 from zbirnik.ukazi.node import Node
 
 class storage(Node):
-    def __init__(self, val : str | int, name : str, label : str | None = None):
+    def __init__(self, value : str | int, name : str, label : str | None = None):
         super().__init__(label)
-        self.val = val
+        self.value = value
         self.name = name
     
     def size(self) -> int:
+        if self.name == "WORD":
+            return 3
+        if self.name == "BYTE":
+            return len(self.emit(None))  
+        if self.name == "RESB":
+            return self.value
+        if self.name == "RESW":
+            return 3 * self.value
         return 0
 
+    
     def emit(self, ctx):
         if self.name == "WORD":
             if isinstance(self.value, str):

ass3/zbirnik/tests/test_passes.py

@@ -0,0 +1,41 @@
+from zbirnik.code import Code
+from zbirnik.EmitCtx import EmitContext
+from zbirnik.ukazi.f3 import f3
+from zbirnik.ukazi.storage import storage
+from zbirnik.adressing import AddrMode
+
+OPCODES = {
+    "LDA": 0x00,
+    "STA": 0x0C,
+}
+
+REGISTERS = {
+    "A": 0, "X": 1, "L": 2,
+    "B": 3, "S": 4, "T": 5, "F": 6
+}
+
+code = Code("TEST")
+
+code.add(f3(
+    operand="A",
+    mnemonic="LDA",
+    label=None,
+    index=False,
+    adr_mode=AddrMode.SIMPLE
+))
+
+code.add(storage(
+    name="WORD",
+    value=5,
+    label="A"
+))
+
+code.pass1()
+print("SYMTAB:", code.symtab)
+print("START:", hex(code.start_address))
+print("LENGTH:", code.program_length)
+
+ctx = EmitContext(opcodes=OPCODES, symtab=code.symtab)
+binary = code.pass2(ctx)
+
+print("BINARY:", binary.hex())