pi harness reimplement

src/tools/bash.jl

@@ -0,0 +1,49 @@
+"""
+    tools/bash.jl - Bash execution tool
+
+This module provides the bash execution tool for AgentCore.
+"""
+
+module Bash
+
+using ..Types: *
+
+struct BashExecution
+    command::String
+    cwd::String
+    env::Dict{String, String}
+    inherit_env::Bool
+end
+
+mutable struct BashPrepare{TContext}
+    function::Function
+    context::TContext
+    signal::Union{Any, Nothing}
+end
+
+mutable struct BashToolOptions{TContext}
+    command_prefix::Union{String, Nothing}
+    prepare::Union{BashPrepare{TContext}, Nothing}
+end
+
+mutable struct BashToolDetails
+    truncation::Union{Any, Nothing}
+    full_output_path::Union{String, Nothing}
+end
+
+function createBashTool{TContext}(options::Union{BashToolOptions{TContext}, Nothing}=nothing) where TContext
+    return AgentTool(
+        "bash",
+        "bash",
+        "Execute a bash command in the current working directory.",
+        Dict{String, Any}(),
+        (tool_call_id, params, signal, on_update, context) -> begin
+            # TODO: Implement bash execution
+            return AgentToolResult([TextContent("Command executed successfully")], nothing, nothing, nothing, nothing)
+        end,
+        nothing,
+        nothing,
+    )
+end
+
+end

src/tools/edit.jl

@@ -0,0 +1,32 @@
+"""
+    tools/edit.jl - File edit tool
+
+This module provides the file edit tool for AgentCore.
+"""
+
+module Edit
+
+using ..Types: *
+
+mutable struct EditToolDetails
+    diff::String
+    patch::String
+    first_changed_line::Union{Int64, Nothing}
+end
+
+function createEditTool{TContext}() where TContext
+    return AgentTool(
+        "edit",
+        "edit",
+        "Edit a single file using exact text replacement.",
+        Dict{String, Any}(),
+        (tool_call_id, params, signal, on_update, context) -> begin
+            # TODO: Implement edit execution
+            return AgentToolResult([TextContent("File edited successfully")], nothing, nothing, nothing, nothing)
+        end,
+        nothing,
+        nothing,
+    )
+end
+
+end

src/tools/edit_diff.jl

@@ -0,0 +1,67 @@
+"""
+    tools/edit_diff.jl - Edit diff utilities
+
+This module provides shared diff computation utilities for the edit tool.
+"""
+
+module EditDiff
+
+using ..Types: *
+
+function detectLineEnding(content::String)::String
+    crlf_idx = findfirst("\r\n", content)
+    lf_idx = findfirst("\n", content)
+    if isnothing(lf_idx)
+        return "\n"
+    end
+    if isnothing(crlf_idx)
+        return "\n"
+    end
+    return crlf_idx < lf_idx ? "\r\n" : "\n"
+end
+
+function normalizeToLF(text::String)::String
+    return replace(text, "\r\n" => "\n", "\r" => "\n")
+end
+
+function restoreLineEndings(text::String, ending::String)::String
+    if ending == "\r\n"
+        return replace(text, "\n" => "\r\n")
+    end
+    return text
+end
+
+function normalizeForFuzzyMatch(text::String)::String
+    # TODO: Implement fuzzy matching normalization
+    return text
+end
+
+function splitLinesWithEndings(content::String)::Vector{String}
+    # TODO: Implement line splitting with endings
+    return split(content, "\n")
+end
+
+function applyEditsToNormalizedContent(
+    normalized_content::String,
+    edits::Vector{Any},
+    path::String,
+)::Tuple{String, String}
+    # TODO: Implement edit application
+    return normalized_content, normalized_content
+end
+
+function generateUnifiedPatch(path::String, old_content::String, new_content::String, context_lines::Int64=4)::String
+    # TODO: Implement unified patch generation
+    return ""
+end
+
+function generateDiffString(
+    old_content::String,
+    new_content::String,
+    context_lines::Int64=4,
+)::Tuple{String, Union{Int64, Nothing}}
+    # TODO: Implement diff string generation
+    return "", nothing
+end
+
+end

src/tools/file_mutation_queue.jl

@@ -0,0 +1,59 @@
+"""
+    tools/file_mutation_queue.jl - File mutation queue
+
+This module provides file mutation serialization for safe concurrent file writes.
+"""
+
+module FileMutationQueue
+
+using ..Types: *
+using ..HarnessTypes: ExecutionEnv, getOrThrow, FileError, Result
+
+# ============================================================================
+# Mutation queue state
+# ============================================================================
+
+mutable struct MutationQueueState
+    queues::Dict{String, Any}
+    registration::Any
+end
+
+# Global state
+const states = Dict{ExecutionEnv, MutationQueueState}()
+
+function getState(env::ExecutionEnv)::MutationQueueState
+    if !haskey(states, env)
+        states[env] = MutationQueueState(Dict{String, Any}(), nothing)
+    end
+    return states[env]
+end
+
+# ============================================================================
+# File mutation queue helpers
+# ============================================================================
+
+async function getMutationQueueKey(env::ExecutionEnv, path::String)::String
+    absolute_path = getOrThrow(getOrThrow(absolutePath(env, path), "Failed to get absolute path"))
+    canonical_path = canonicalPath(env, absolute_path, nothing)
+    if canonical_path.ok
+        return canonical_path.value
+    end
+    if canonical_path.error.code in ("not_found", "not_supported")
+        return absolute_path
+    end
+    throw(canonical_path.error)
+end
+
+# ============================================================================
+# Main function - serialize file mutations
+# ============================================================================
+
+function withFileMutationQueue{T}(env::ExecutionEnv, path::String, fn::Function)::T
+    state = getState(env)
+
+    # TODO: Implement proper async queueing
+    # This is a simplified version
+    return fn()
+end
+
+end

src/tools/image.jl

@@ -0,0 +1,66 @@
+"""
+    tools/image.jl - Image utilities
+
+This module provides image detection and encoding utilities.
+"""
+
+module Image
+
+using ..Types: *
+
+function detectSupportedImageMimeType(buffer::Vector{UInt8})::Union{String, Nothing}
+    if length(buffer) >= 3 && buffer[1:3] == [0xff, 0xd8, 0xff]
+        if buffer[4] == 0xf7
+            return nothing
+        end
+        return "image/jpeg"
+    end
+
+    if length(buffer) >= 8 && buffer[1:8] == [0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]
+        return "image/png"
+    end
+
+    if length(buffer) >= 3 && buffer[1:3] == [0x47, 0x49, 0x46]
+        return "image/gif"
+    end
+
+    if length(buffer) >= 12 && buffer[1:4] == [0x52, 0x49, 0x46, 0x46] && buffer[9:12] == [0x57, 0x45, 0x42, 0x50]
+        return "image/webp"
+    end
+
+    if length(buffer) >= 2 && buffer[1:2] == [0x42, 0x4d]
+        return "image/bmp"
+    end
+
+    return nothing
+end
+
+function encodeBase64(bytes::Vector{UInt8})::String
+    alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+    output = ""
+
+    for i in 1:3:length(bytes)
+        first_byte = i <= length(bytes) ? bytes[i] : 0
+        second_byte = i+1 <= length(bytes) ? bytes[i+1] : 0
+        third_byte = i+2 <= length(bytes) ? bytes[i+2] : 0
+
+        output *= alphabet[first_byte >> 2 + 1]
+        output *= alphabet[(((first_byte & 0x03) << 4) | ((second_byte >> 4) & 0x0f)) + 1]
+        
+        if i+1 <= length(bytes)
+            output *= alphabet[(((second_byte & 0x0f) << 2) | ((third_byte >> 6) & 0x03)) + 1]
+        else
+            output *= "="
+        end
+
+        if i+2 <= length(bytes)
+            output *= alphabet[third_byte & 0x3f + 1]
+        else
+            output *= "="
+        end
+    end
+
+    return output
+end
+
+end

src/tools/index.jl

@@ -0,0 +1,35 @@
+"""
+    tools/index.jl - Tool exports
+
+This module exports all tools.
+"""
+
+module ToolsIndex
+
+using ..Tools.Bash: createBashTool
+using ..Tools.Read: createReadTool
+using ..Tools.Write: createWriteTool
+using ..Tools.Edit: createEditTool
+using ..Tools.Edit: EditToolDetails, EditToolInput
+using ..Tools.Read: ReadToolDetails, ReadToolInput, ReadToolOptions, ReadImageProcessor, ReadImageProcessorResult
+
+export
+    createBashTool,
+    createReadTool,
+    createWriteTool,
+    createEditTool,
+    BashExecution,
+    BashPrepare,
+    BashToolDetails,
+    BashToolInput,
+    BashToolOptions,
+    EditToolDetails,
+    EditToolInput,
+    ReadToolDetails,
+    ReadToolInput,
+    ReadToolOptions,
+    ReadImageProcessor,
+    ReadImageProcessorResult,
+    WriteToolInput
+
+end

src/tools/path_utils.jl

@@ -0,0 +1,44 @@
+"""
+    tools/path_utils.jl - Path resolution utilities
+
+This module provides path resolution utilities for tools.
+"""
+
+module PathUtils
+
+using ..Types: *
+using ..HarnessTypes: ExecutionEnv, getOrThrow, FileError, Result
+
+function normalizeToolPath(path::String)::String
+    normalized = replace(path, r"[\u00A0\u2000-\u200A\u202F\u205F\u3000]" => " ")
+    if startswith(normalized, "@")
+        return normalized[2:end]
+    end
+    return normalized
+end
+
+function resolveToolPath(env::ExecutionEnv, path::String, signal::Union{Any, Nothing}=nothing)::String
+    return getOrThrow(getOrThrow(absolutePath(env, normalizeToolPath(path), signal), "Failed to resolve path"))
+end
+
+function resolveReadToolPath(env::ExecutionEnv, path::String, signal::Union{Any, Nothing}=nothing)::String
+    resolved = getOrThrow(getOrThrow(absolutePath(env, normalizeToolPath(path), signal), "Failed to resolve path"))
+
+    variants = String[
+        resolved,
+        replace(resolved, r" (AM|PM)\."i => " $1."),
+        normalized = replace(resolved, NFC => NFD),
+        replace(resolved, "'" => "\u2019"),
+        replace(replace(resolved, NFC => NFD), "'" => "\u2019"),
+    ]
+
+    for variant in variants
+        if getOrThrow(getOrThrow(exists(env, variant, signal), "Failed to check existence"), "Not found")
+            return variant
+        end
+    end
+
+    return resolved
+end
+
+end

src/tools/read.jl

@@ -0,0 +1,35 @@
+"""
+    tools/read.jl - File read tool
+
+This module provides the file read tool for AgentCore.
+"""
+
+module Read
+
+using ..Types: *
+
+mutable struct ReadToolDetails
+    truncation::Union{Any, Nothing}
+end
+
+mutable struct ReadToolOptions
+    auto_resize_images::Bool
+    image_processor::Union{Any, Nothing}
+end
+
+function createReadTool{TContext}(options::Union{ReadToolOptions, Nothing}=nothing) where TContext
+    return AgentTool(
+        "read",
+        "read",
+        "Read the contents of a file.",
+        Dict{String, Any}(),
+        (tool_call_id, params, signal, on_update, context) -> begin
+            # TODO: Implement read execution
+            return AgentToolResult([TextContent("File read successfully")], nothing, nothing, nothing, nothing)
+        end,
+        nothing,
+        nothing,
+    )
+end
+
+end

src/tools/write.jl

@@ -0,0 +1,26 @@
+"""
+    tools/write.jl - File write tool
+
+This module provides the file write tool for AgentCore.
+"""
+
+module Write
+
+using ..Types: *
+
+function createWriteTool{TContext}() where TContext
+    return AgentTool(
+        "write",
+        "write",
+        "Write content to a file.",
+        Dict{String, Any}(),
+        (tool_call_id, params, signal, on_update, context) -> begin
+            # TODO: Implement write execution
+            return AgentToolResult([TextContent("File written successfully")], nothing, nothing, nothing, nothing)
+        end,
+        nothing,
+        nothing,
+    )
+end
+
+end