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myObject.py
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# -----------------------------------------------------------------------------
# myObject.py
#
# File used for the LLVM IR code generation
# Made by Simon Bernard and Ivan Klapka for the Project 4 : lexical analysis
# University of Liège - Academic year 2019-2020 - INFO0085-1 Compilers course
# -----------------------------------------------------------------------------
# The only reason this file exist is to return the string for object.ll
# Reading directly from object.ll was not working on the submission plateform so we had to improvise
def getObjectLL():
objectllstr = """ ; This file is mostly generated from the C code, with just a touch of cleanup
; by hand to make it more portable and legible.
; Imports from the C library
%struct._IO_FILE = type opaque
@stdin = external global %struct._IO_FILE*
@stderr = external global %struct._IO_FILE*
declare void @exit(i32)
declare i32 @fprintf(%struct._IO_FILE*, i8*, ...)
declare void @free(i8*)
declare i32 @getc(%struct._IO_FILE*)
declare i32 @isspace(i32)
declare i8* @malloc(i64)
declare i32 @printf(i8*, ...)
declare i8* @realloc(i8*, i64)
declare i64 @strlen(i8*)
declare i32 @strncmp(i8*, i8*, i64)
declare i64 @strtoll(i8*, i8**, i32)
declare i32 @ungetc(i32, %struct._IO_FILE*)
; Types for Object instances and vtable
%struct.Object = type { %struct.ObjectVTable* }
%struct.ObjectVTable = type { %struct.Object* (%struct.Object*, i8*)*, %struct.Object* (%struct.Object*, i1)*, %struct.Object* (%struct.Object*, i32)*, i8* (%struct.Object*)*, i1 (%struct.Object*)*, i32 (%struct.Object*)* }
; String literals
@.str = constant [3 x i8] c"%s\\00"
@.str.1 = constant [5 x i8] c"true\\00"
@.str.2 = constant [6 x i8] c"false\\00"
@.str.3 = constant [3 x i8] c"%d\\00"
@.str.4 = constant [1 x i8] zeroinitializer
@.str.5 = constant [38 x i8] c"Object::inputBool: cannot read word!\\0A\\00"
@.str.6 = constant [49 x i8] c"Object::inputBool: `%s` is not a valid boolean!\\0A\\00"
@.str.7 = constant [39 x i8] c"Object::inputInt32: cannot read word!\\0A\\00"
@.str.8 = constant [58 x i8] c"Object::inputInt32: `%s` is not a valid integer literal!\\0A\\00"
@.str.9 = constant [57 x i8] c"Object::inputInt32: `%s` does not fit a 32-bit integer!\\0A\\00"
; Object's shared vtable instance
@Object_vtable = constant { %struct.Object* (%struct.Object*, i8*)*, %struct.Object* (%struct.Object*, i1)*, %struct.Object* (%struct.Object*, i32)*, i8* (%struct.Object*)*, i1 (%struct.Object*)*, i32 (%struct.Object*)* } { %struct.Object* (%struct.Object*, i8*)* @Object_print, %struct.Object* (%struct.Object*, i1)* @Object_printBool, %struct.Object* (%struct.Object*, i32)* @Object_printInt32, i8* (%struct.Object*)* @Object_inputLine, i1 (%struct.Object*)* @Object_inputBool, i32 (%struct.Object*)* @Object_inputInt32 }
; Object's methods
define %struct.Object* @Object_print(%struct.Object*, i8*) {
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* %1)
ret %struct.Object* %0
}
define %struct.Object* @Object_printBool(%struct.Object*, i1 zeroext) {
%3 = zext i1 %1 to i8
%4 = trunc i8 %3 to i1
%5 = zext i1 %4 to i64
%6 = select i1 %4, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* %6)
ret %struct.Object* %0
}
define %struct.Object* @Object_printInt32(%struct.Object*, i32) {
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32 %1)
ret %struct.Object* %0
}
define i8* @Object_inputLine(%struct.Object*) {
%2 = call i8* @read_until(i32 (i32)* @is_eol)
%3 = icmp ne i8* %2, null
br i1 %3, label %5, label %4
4: ; preds = %1
br label %5
5: ; preds = %4, %1
%.0 = phi i8* [ %2, %1 ], [ getelementptr inbounds ([1 x i8], [1 x i8]* @.str.4, i64 0, i64 0), %4 ]
ret i8* %.0
}
define zeroext i1 @Object_inputBool(%struct.Object*) {
call void @skip_while(i32 (i32)* @isspace)
%2 = call i8* @read_until(i32 (i32)* @isspace)
%3 = icmp ne i8* %2, null
br i1 %3, label %7, label %4
4: ; preds = %1
%5 = load %struct._IO_FILE*, %struct._IO_FILE** @stderr
%6 = call i32 (%struct._IO_FILE*, i8*, ...) @fprintf(%struct._IO_FILE* %5, i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.5, i64 0, i64 0))
call void @exit(i32 1)
unreachable
7: ; preds = %1
%8 = call i64 @strlen(i8* %2)
%9 = icmp eq i64 %8, 4
br i1 %9, label %10, label %14
10: ; preds = %7
%11 = call i32 @strncmp(i8* %2, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i64 4)
%12 = icmp eq i32 %11, 0
br i1 %12, label %13, label %14
13: ; preds = %10
call void @free(i8* %2)
br label %23
14: ; preds = %10, %7
%15 = icmp eq i64 %8, 5
br i1 %15, label %16, label %20
16: ; preds = %14
%17 = call i32 @strncmp(i8* %2, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i64 5)
%18 = icmp eq i32 %17, 0
br i1 %18, label %19, label %20
19: ; preds = %16
call void @free(i8* %2)
br label %23
20: ; preds = %16, %14
%21 = load %struct._IO_FILE*, %struct._IO_FILE** @stderr
%22 = call i32 (%struct._IO_FILE*, i8*, ...) @fprintf(%struct._IO_FILE* %21, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.6, i64 0, i64 0), i8* %2)
call void @free(i8* %2)
call void @exit(i32 1)
unreachable
23: ; preds = %19, %13
%.0 = phi i1 [ true, %13 ], [ false, %19 ]
ret i1 %.0
}
define i32 @Object_inputInt32(%struct.Object*) {
%2 = alloca i8*
call void @skip_while(i32 (i32)* @isspace)
%3 = call i8* @read_until(i32 (i32)* @isspace)
%4 = icmp ne i8* %3, null
br i1 %4, label %8, label %5
5: ; preds = %1
%6 = load %struct._IO_FILE*, %struct._IO_FILE** @stderr
%7 = call i32 (%struct._IO_FILE*, i8*, ...) @fprintf(%struct._IO_FILE* %6, i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.7, i64 0, i64 0))
call void @exit(i32 1)
unreachable
8: ; preds = %1
%9 = call i64 @strlen(i8* %3)
%10 = icmp ugt i64 %9, 2
br i1 %10, label %11, label %21
11: ; preds = %8
%12 = getelementptr inbounds i8, i8* %3, i64 0
%13 = load i8, i8* %12
%14 = sext i8 %13 to i32
%15 = icmp eq i32 %14, 48
br i1 %15, label %16, label %21
16: ; preds = %11
%17 = getelementptr inbounds i8, i8* %3, i64 1
%18 = load i8, i8* %17
%19 = sext i8 %18 to i32
%20 = icmp eq i32 %19, 120
br i1 %20, label %45, label %21
21: ; preds = %16, %11, %8
%22 = icmp ugt i64 %9, 3
br i1 %22, label %23, label %43
23: ; preds = %21
%24 = getelementptr inbounds i8, i8* %3, i64 0
%25 = load i8, i8* %24
%26 = sext i8 %25 to i32
%27 = icmp eq i32 %26, 43
br i1 %27, label %33, label %28
28: ; preds = %23
%29 = getelementptr inbounds i8, i8* %3, i64 0
%30 = load i8, i8* %29
%31 = sext i8 %30 to i32
%32 = icmp eq i32 %31, 45
br i1 %32, label %33, label %43
33: ; preds = %28, %23
%34 = getelementptr inbounds i8, i8* %3, i64 1
%35 = load i8, i8* %34
%36 = sext i8 %35 to i32
%37 = icmp eq i32 %36, 48
br i1 %37, label %38, label %43
38: ; preds = %33
%39 = getelementptr inbounds i8, i8* %3, i64 2
%40 = load i8, i8* %39
%41 = sext i8 %40 to i32
%42 = icmp eq i32 %41, 120
br label %43
43: ; preds = %38, %33, %28, %21
%44 = phi i1 [ false, %33 ], [ false, %28 ], [ false, %21 ], [ %42, %38 ]
br label %45
45: ; preds = %43, %16
%46 = phi i1 [ true, %16 ], [ %44, %43 ]
%47 = zext i1 %46 to i8
%48 = trunc i8 %47 to i1
br i1 %48, label %49, label %51
49: ; preds = %45
%50 = call i64 @strtoll(i8* %3, i8** %2, i32 16)
br label %53
51: ; preds = %45
%52 = call i64 @strtoll(i8* %3, i8** %2, i32 10)
br label %53
53: ; preds = %51, %49
%.0 = phi i64 [ %50, %49 ], [ %52, %51 ]
%54 = load i8*, i8** %2
%55 = load i8, i8* %54
%56 = sext i8 %55 to i32
%57 = icmp ne i32 %56, 0
br i1 %57, label %58, label %61
58: ; preds = %53
%59 = load %struct._IO_FILE*, %struct._IO_FILE** @stderr
%60 = call i32 (%struct._IO_FILE*, i8*, ...) @fprintf(%struct._IO_FILE* %59, i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.8, i64 0, i64 0), i8* %3)
call void @exit(i32 1)
unreachable
61: ; preds = %53
%62 = icmp slt i64 %.0, -2147483648
br i1 %62, label %65, label %63
63: ; preds = %61
%64 = icmp sgt i64 %.0, 2147483647
br i1 %64, label %65, label %68
65: ; preds = %63, %61
%66 = load %struct._IO_FILE*, %struct._IO_FILE** @stderr
%67 = call i32 (%struct._IO_FILE*, i8*, ...) @fprintf(%struct._IO_FILE* %66, i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.9, i64 0, i64 0), i8* %3)
call void @exit(i32 1)
unreachable
68: ; preds = %63
%69 = trunc i64 %.0 to i32
ret i32 %69
}
; Object constructor and initializer
define %struct.Object* @Object_new() {
%1 = call i8* @malloc(i64 8)
%2 = bitcast i8* %1 to %struct.Object*
%3 = call %struct.Object* @Object_init(%struct.Object* %2)
ret %struct.Object* %3
}
define %struct.Object* @Object_init(%struct.Object*) {
%2 = icmp ne %struct.Object* %0, null
br i1 %2, label %3, label %5
3: ; preds = %1
%4 = getelementptr inbounds %struct.Object, %struct.Object* %0, i32 0, i32 0
store %struct.ObjectVTable* bitcast ({ %struct.Object* (%struct.Object*, i8*)*, %struct.Object* (%struct.Object*, i1)*, %struct.Object* (%struct.Object*, i32)*, i8* (%struct.Object*)*, i1 (%struct.Object*)*, i32 (%struct.Object*)* }* @Object_vtable to %struct.ObjectVTable*), %struct.ObjectVTable** %4
br label %5
5: ; preds = %3, %1
ret %struct.Object* %0
}
; Utility functions
define internal i8* @read_until(i32 (i32)*) {
%2 = call i8* @malloc(i64 1024)
br label %3
3: ; preds = %29, %1
%.03 = phi i8* [ %2, %1 ], [ %.14, %29 ]
%.02 = phi i64 [ 1024, %1 ], [ %.1, %29 ]
%.01 = phi i64 [ 0, %1 ], [ %30, %29 ]
%4 = icmp ne i8* %.03, null
br i1 %4, label %5, label %31
5: ; preds = %3
%6 = load %struct._IO_FILE*, %struct._IO_FILE** @stdin
%7 = call i32 @getc(%struct._IO_FILE* %6)
%8 = icmp eq i32 %7, -1
br i1 %8, label %14, label %9
9: ; preds = %5
%10 = trunc i32 %7 to i8
%11 = sext i8 %10 to i32
%12 = call i32 %0(i32 %11)
%13 = icmp ne i32 %12, 0
br i1 %13, label %14, label %21
14: ; preds = %9, %5
%15 = icmp ne i32 %7, -1
br i1 %15, label %16, label %19
16: ; preds = %14
%17 = load %struct._IO_FILE*, %struct._IO_FILE** @stdin
%18 = call i32 @ungetc(i32 %7, %struct._IO_FILE* %17)
br label %19
19: ; preds = %16, %14
%20 = getelementptr inbounds i8, i8* %.03, i64 %.01
store i8 0, i8* %20
br label %32
21: ; preds = %9
%22 = trunc i32 %7 to i8
%23 = getelementptr inbounds i8, i8* %.03, i64 %.01
store i8 %22, i8* %23
%24 = sub i64 %.02, 1
%25 = icmp eq i64 %.01, %24
br i1 %25, label %26, label %29
26: ; preds = %21
%27 = mul i64 %.02, 2
%28 = call i8* @realloc(i8* %.03, i64 %27)
br label %29
29: ; preds = %26, %21
%.14 = phi i8* [ %28, %26 ], [ %.03, %21 ]
%.1 = phi i64 [ %27, %26 ], [ %.02, %21 ]
%30 = add i64 %.01, 1
br label %3
31: ; preds = %3
br label %32
32: ; preds = %31, %19
%.0 = phi i8* [ %.03, %19 ], [ null, %31 ]
ret i8* %.0
}
define internal i32 @is_eol(i32) {
%2 = icmp eq i32 %0, 10
%3 = zext i1 %2 to i32
ret i32 %3
}
define internal void @skip_while(i32 (i32)*) {
%2 = load %struct._IO_FILE*, %struct._IO_FILE** @stdin
%3 = call i32 @getc(%struct._IO_FILE* %2)
br label %4
4: ; preds = %11, %1
%.0 = phi i32 [ %3, %1 ], [ %13, %11 ]
%5 = icmp ne i32 %.0, -1
br i1 %5, label %6, label %9
6: ; preds = %4
%7 = call i32 %0(i32 %.0)
%8 = icmp ne i32 %7, 0
br label %9
9: ; preds = %6, %4
%10 = phi i1 [ false, %4 ], [ %8, %6 ]
br i1 %10, label %11, label %14
11: ; preds = %9
%12 = load %struct._IO_FILE*, %struct._IO_FILE** @stdin
%13 = call i32 @getc(%struct._IO_FILE* %12)
br label %4
14: ; preds = %9
%15 = icmp ne i32 %.0, -1
br i1 %15, label %16, label %19
16: ; preds = %14
%17 = load %struct._IO_FILE*, %struct._IO_FILE** @stdin
%18 = call i32 @ungetc(i32 %.0, %struct._IO_FILE* %17)
br label %19
19: ; preds = %16, %14
ret void
}
"""
return objectllstr