Add double-quoted strings

[fur] / generation.py

diff --git a/generation.py b/generation.py
index b060376..99fd681 100644 (file)
--- a/generation.py
+++ b/generation.py
@@ -12,7 +12,10 @@ def generate_integer_literal(c_integer_literal):
     return 'integerLiteral({})'.format(c_integer_literal.value)
 
 def generate_string_literal(c_string_literal):
-    return 'stringLiteral(STRING_LITERAL_LIST[{}])'.format(c_string_literal.index)
+    return 'stringLiteral(STRING_LITERAL_LIST[{}] /* string: {} */)'.format(
+        c_string_literal.index,
+        repr(c_string_literal.value),
+    )
 
 def generate_symbol_expression(symbol_expression):
     return 'Environment_get(environment, SYMBOL_LIST[{}] /* symbol: {} */)'.format(
@@ -72,8 +75,7 @@ def generate_function_call(function_call):
     )
 
 def generate_expression_statement(statement):
-    # TODO Do we need to garbage collect the results of arbitrary statements?
-    return '{};'.format(generate_expression(statement.expression))
+    return 'Object_deinitialize(&({}));'.format(generate_expression(statement.expression))
 
 def generate_symbol_assignment_statement(statement):
     return 'Environment_set(environment, SYMBOL_LIST[{}] /* symbol: {} */, {});'.format(
@@ -166,6 +168,16 @@ def generate_function_definition(definition):
     )
     return definition
 
+C_ESCAPES = {
+    '"':    r'\"',
+}
+
+def escape_character(ch):
+    return C_ESCAPES.get(ch, ch)
+
+def escape_string_literal(string_literal):
+    return  ''.join(escape_character(ch) for ch in string_literal)
+
 def generate(program):
     template = ENV.get_template('program.c')
     return template.render(
@@ -174,7 +186,7 @@ def generate(program):
         infix_declarations=program.operator_declarations,
         statements=list(generate_statement(s) for s in program.statements),
         standard_libraries=list(sorted(program.standard_libraries)),
-        string_literal_list=program.string_literal_list,
+        string_literal_list=list(escape_string_literal(s) for s in program.string_literal_list),
         symbol_list=program.symbol_list,
     )