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improved interpreter and added support for doWhile

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This commit is contained in:
weckyy702
2020-12-26 19:03:05 +01:00
parent e5f3f9a9d1
commit 0af259d3a0
4 changed files with 91 additions and 30 deletions
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19
interpreter/interpret_source.py
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@@ -5,6 +5,7 @@ from typing import List, Tuple
from draw.Iinstruction import *
COMMENT_REGEX = r"""^//|^#|^COMMENT|^--"""
WHILE_TAG = "solange " #german for 'while'. Change this depending on your language
class JavaSyntaxError(Exception):
pass
@@ -52,7 +53,7 @@ def get_instructions_in_scope(src: List[str], start_idx: int = 0) -> Tuple[List[
return outer_scope, i
if line.startswith("while("):
logging.debug("Found while instruction in line: %i", i+1)
logging.debug("Found while construct in line: %i", i+1)
bracket_idx = line.rindex(')') # throws if while contruct is illformed
@@ -60,10 +61,10 @@ def get_instructions_in_scope(src: List[str], start_idx: int = 0) -> Tuple[List[
brace_offset = get_scope_start_offset(src, i)
child_instructions, i = get_instructions_in_scope(src, i+brace_offset)
outer_scope.append(while_instruction_front(('while ' + instruction_txt), child_instructions))
outer_scope.append(while_instruction_front((WHILE_TAG + instruction_txt), child_instructions))
elif line.startswith("if("):
logging.debug("Found if instruction in line: %i", i+1)
logging.debug("Found if construct in line: %i", i+1)
bracket_idx = line.rindex(')') # throws if the contruct is illformed
@@ -73,16 +74,14 @@ def get_instructions_in_scope(src: List[str], start_idx: int = 0) -> Tuple[List[
false_instructions = None
if src[i].__contains__("else"): #if there is an else statement, check it
logging.debug("found else construct in line: %i", i+1)
brace_offset = get_scope_start_offset(src, i)
false_instructions, i = get_instructions_in_scope(src, i+2)
outer_scope.append(if_instruction(instruction_txt, true_instructions, false_instructions))
elif line.startswith("do{"):
#construct:
#do{
#...
#}while(...);
logging.debug("Found start of do-while instruction in line: %i", i)
elif line.startswith("do"):
logging.debug("Found start of do-while construct in line: %i", i+1)
brace_offset = get_scope_start_offset(src, i)
child_instructions, i = get_instructions_in_scope(src, i+brace_offset)
@@ -91,7 +90,7 @@ def get_instructions_in_scope(src: List[str], start_idx: int = 0) -> Tuple[List[
bracket_idx = end_line.rindex(");")
instruction_txt = end_line[7: bracket_idx]
outer_scope.append(while_instruction_back(('do while' + instruction_txt), child_instructions))
outer_scope.append(while_instruction_back((WHILE_TAG + instruction_txt), child_instructions))
else:
logging.debug("Found generic instruction in line: %i", i+1)