)
BUILTINS = {
- 'false': [],
- 'pow': ['math.h'],
- 'print': ['stdio.h'],
- 'true': [],
+ 'concatenate': [],
+ 'false': [],
+ 'pow': ['math.h'],
+ 'print': ['stdio.h'],
+ 'true': [],
}
def transform_variable_expression(accumulators, expression):
],
)
-INFIX_OPERATOR_TO_DECLARATION = {
+FUR_INFIX_OPERATOR_TO_C_FUNCTION = {
+ '++': 'concatenate',
+}
+
+FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR = {
'+': CInfixDeclaration(name='add', in_type='integer', out_type='integer', operator='+'),
'-': CInfixDeclaration(name='subtract', in_type='integer', out_type='integer', operator='-'),
'*': CInfixDeclaration(name='multiply', in_type='integer', out_type='integer', operator='*'),
}
def transform_comparison_level_expression(accumulators, expression):
- accumulators.operator_set.add(INFIX_OPERATOR_TO_DECLARATION[expression.operator])
+ accumulators.operator_set.add(FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR[expression.operator])
# Transform expressions like 1 < 2 < 3 into expressions like 1 < 2 && 2 < 3
if isinstance(expression.left, parsing.FurInfixExpression) and expression.left.order == 'comparison_level':
name='and',
left=left,
right=CFunctionCallForFurInfixOperator(
- name=INFIX_OPERATOR_TO_DECLARATION[expression.operator].name,
+ name=FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR[expression.operator].name,
left=middle,
right=right,
),
)
return CFunctionCallForFurInfixOperator(
- name=INFIX_OPERATOR_TO_DECLARATION[expression.operator].name,
+ name=FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR[expression.operator].name,
left=transform_expression(accumulators, expression.left),
right=transform_expression(accumulators, expression.right),
)
+def transform_infix_operator_without_c_equivalent(accumulators, expression):
+ return CFunctionCallForFurInfixOperator(
+ name='concatenate',
+ left=transform_expression(accumulators, expression.left),
+ right=transform_expression(accumulators, expression.right),
+ )
def transform_infix_expression(accumulators, expression):
+ if expression.operator in FUR_INFIX_OPERATOR_TO_C_FUNCTION:
+ return transform_infix_operator_without_c_equivalent(accumulators, expression)
+
if expression.order == 'comparison_level':
return transform_comparison_level_expression(accumulators, expression)
- accumulators.operator_set.add(INFIX_OPERATOR_TO_DECLARATION[expression.operator])
+ accumulators.operator_set.add(FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR[expression.operator])
return CFunctionCallForFurInfixOperator(
- name=INFIX_OPERATOR_TO_DECLARATION[expression.operator].name,
+ name=FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR[expression.operator].name,
left=transform_expression(accumulators, expression.left),
right=transform_expression(accumulators, expression.right),
)
value=transform_expression(accumulators, expression.internal_expression),
)
+CListConstructExpression = collections.namedtuple(
+ 'CListConstructExpression',
+ [
+ 'allocate',
+ ],
+)
+
+CListAppendStatement = collections.namedtuple(
+ 'CListAppendStatement',
+ [
+ 'list_expression',
+ 'item_expression',
+ ],
+)
+
+CListGetExpression = collections.namedtuple(
+ 'CListGetExpression',
+ [
+ 'list_expression',
+ 'index_expression',
+ ],
+)
+
+def transform_list_construct_expression(accumulators, expression):
+ return CListConstructExpression(allocate=expression.allocate)
+
+def transform_list_get_expression(accumulators, expression):
+ return CListGetExpression(
+ list_expression=transform_expression(accumulators, expression.list_expression),
+ index_expression=transform_expression(accumulators, expression.index_expression),
+ )
+
+def transform_list_append_statement(accumulators, expression):
+ return CListAppendStatement(
+ list_expression=transform_expression(accumulators, expression.list_expression),
+ item_expression=transform_expression(accumulators, expression.item_expression),
+ )
+
def transform_expression(accumulators, expression):
# TODO Clean up handlers for parsing expressions
return {
normalization.NormalFunctionCallExpression: transform_function_call_expression,
normalization.NormalInfixExpression: transform_infix_expression,
normalization.NormalIntegerLiteralExpression: transform_integer_literal_expression,
+ normalization.NormalListConstructExpression: transform_list_construct_expression,
+ normalization.NormalListGetExpression: transform_list_get_expression,
normalization.NormalNegationExpression: transform_negation_expression,
normalization.NormalStringLiteralExpression: transform_string_literal_expression,
normalization.NormalSymbolExpression: transform_symbol_expression,
normalization.NormalExpressionStatement: transform_expression_statement,
normalization.NormalFunctionDefinitionStatement: transform_function_definition_statement,
normalization.NormalIfElseStatement: transform_if_else_statement,
+ normalization.NormalListAppendStatement: transform_list_append_statement,
normalization.NormalVariableInitializationStatement: transform_variable_initialization_statement,
normalization.NormalVariableReassignmentStatement: transform_variable_reassignment_statement,
}[type(statement)](accumulators, statement)